diff --git a/README.md b/README.md
index e44a23f9c..f0bceec9b 100644
--- a/README.md
+++ b/README.md
@@ -19,31 +19,25 @@ Jumpserver采纳分布式架构，支持多机房跨区域部署，中心节点
 ----
 
 ### 功能
-  - 统一认证
-  - 资产管理
-  - 统一授权
-  - 审计
-  - 支持LDAP认证
-  - Web terminal
-  - SSH Server
-  - 支持Windows RDP
+
+ ![Jumpserver功能](https://jumpserver-release.oss-cn-hangzhou.aliyuncs.com/Jumpserver13.jpg "Jumpserver功能")
 
 ### 开始使用
 
-快速开始文档  [Docker安装](http://docs.jumpserver.org/zh/latest/quickstart.html)
+快速开始文档  [Docker安装](http://docs.jumpserver.org/zh/docs/dockerinstall.html)
 
-一步一步安装文档 [详细部署](http://docs.jumpserver.org/zh/latest/step_by_step.html)
+一步一步安装文档 [详细部署](http://docs.jumpserver.org/zh/docs/step_by_step.html)
 
 也可以查看我们完整文档包括了使用和开发 [文档](http://docs.jumpserver.org)
 
-### Demo 和 截图 
+### Demo 和 截图
 
 我们提供了DEMO和截图可以让你快速了解Jumpserver
 
 [DEMO](http://demo.jumpserver.org)
 [截图](http://docs.jumpserver.org/zh/docs/snapshot.html)
 
-### SDK 
+### SDK
 
 我们还编写了一些SDK，供你其它系统快速和Jumpserver APi交互，
 
diff --git a/apps/__init__.py b/apps/__init__.py
index def994bcd..7e96164aa 100644
--- a/apps/__init__.py
+++ b/apps/__init__.py
@@ -2,4 +2,4 @@
 # -*- coding: utf-8 -*-
 #
 
-__version__ = "1.2.1"
+__version__ = "1.3.2"
diff --git a/apps/assets/api/asset.py b/apps/assets/api/asset.py
index 50c037df9..8c1f3d726 100644
--- a/apps/assets/api/asset.py
+++ b/apps/assets/api/asset.py
@@ -1,6 +1,8 @@
 # -*- coding: utf-8 -*-
 #
 
+import random
+
 from rest_framework import generics
 from rest_framework.response import Response
 from rest_framework_bulk import BulkModelViewSet
@@ -11,9 +13,8 @@ from django.db.models import Q
 
 from common.mixins import IDInFilterMixin
 from common.utils import get_logger
-from ..hands import IsSuperUser, IsValidUser, IsSuperUserOrAppUser, \
-    NodePermissionUtil
-from ..models import  Asset, SystemUser, AdminUser, Node
+from ..hands import IsSuperUser, IsValidUser, IsSuperUserOrAppUser
+from ..models import Asset, SystemUser, AdminUser, Node
 from .. import serializers
 from ..tasks import update_asset_hardware_info_manual, \
     test_asset_connectability_manual
@@ -22,8 +23,9 @@ from ..utils import LabelFilter
 
 logger = get_logger(__file__)
 __all__ = [
-    'AssetViewSet', 'UserAssetListView', 'AssetListUpdateApi',
-    'AssetRefreshHardwareApi', 'AssetAdminUserTestApi'
+    'AssetViewSet', 'AssetListUpdateApi',
+    'AssetRefreshHardwareApi', 'AssetAdminUserTestApi',
+    'AssetGatewayApi'
 ]
 
 
@@ -40,32 +42,34 @@ class AssetViewSet(IDInFilterMixin, LabelFilter, BulkModelViewSet):
     permission_classes = (IsSuperUserOrAppUser,)
 
     def get_queryset(self):
-        queryset = super().get_queryset()
+        queryset = super().get_queryset()\
+            .prefetch_related('labels', 'nodes')\
+            .select_related('admin_user')
         admin_user_id = self.request.query_params.get('admin_user_id')
         node_id = self.request.query_params.get("node_id")
+        show_current_asset = self.request.query_params.get("show_current_asset")
 
         if admin_user_id:
             admin_user = get_object_or_404(AdminUser, id=admin_user_id)
             queryset = queryset.filter(admin_user=admin_user)
-        if node_id:
+
+        if node_id and show_current_asset:
             node = get_object_or_404(Node, id=node_id)
-            if not node.is_root():
+            if node.is_root():
                 queryset = queryset.filter(
-                    nodes__key__regex='{}(:[0-9]+)*$'.format(node.key),
+                    Q(nodes=node_id) | Q(nodes__isnull=True)
                 ).distinct()
-        return queryset
+            else:
+                queryset = queryset.filter(nodes=node).distinct()
 
-
-class UserAssetListView(generics.ListAPIView):
-    queryset = Asset.objects.all()
-    serializer_class = serializers.AssetSerializer
-    permission_classes = (IsValidUser,)
-
-    def get_queryset(self):
-        assets_granted = NodePermissionUtil.get_user_assets(self.request.user).keys()
-        queryset = self.queryset.filter(
-            id__in=[asset.id for asset in assets_granted]
-        )
+        if node_id and not show_current_asset:
+            node = get_object_or_404(Node, id=node_id)
+            if node.is_root():
+                queryset = Asset.objects.all()
+            else:
+                queryset = queryset.filter(
+                    nodes__key__regex='^{}(:[0-9]+)*$'.format(node.key),
+                ).distinct()
         return queryset
 
 
@@ -105,3 +109,20 @@ class AssetAdminUserTestApi(generics.RetrieveAPIView):
         asset = get_object_or_404(Asset, pk=asset_id)
         task = test_asset_connectability_manual.delay(asset)
         return Response({"task": task.id})
+
+
+class AssetGatewayApi(generics.RetrieveAPIView):
+    queryset = Asset.objects.all()
+    permission_classes = (IsSuperUserOrAppUser,)
+
+    def retrieve(self, request, *args, **kwargs):
+        asset_id = kwargs.get('pk')
+        asset = get_object_or_404(Asset, pk=asset_id)
+
+        if asset.domain and \
+                asset.domain.gateways.filter(protocol=asset.protocol).exists():
+            gateway = random.choice(asset.domain.gateways.filter(protocol=asset.protocol))
+            serializer = serializers.GatewayWithAuthSerializer(instance=gateway)
+            return Response(serializer.data)
+        else:
+            return Response({"msg": "Not have gateway"}, status=404)
\ No newline at end of file
diff --git a/apps/assets/api/node.py b/apps/assets/api/node.py
index f123e4649..e5ace021e 100644
--- a/apps/assets/api/node.py
+++ b/apps/assets/api/node.py
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 from rest_framework import generics, mixins
+from rest_framework.serializers import ValidationError
 from rest_framework.views import APIView
 from rest_framework.response import Response
 from rest_framework_bulk import BulkModelViewSet
@@ -30,7 +31,7 @@ from .. import serializers
 logger = get_logger(__file__)
 __all__ = [
     'NodeViewSet', 'NodeChildrenApi',
-    'NodeAssetsApi', 'NodeWithAssetsApi',
+    'NodeAssetsApi',
     'NodeAddAssetsApi', 'NodeRemoveAssetsApi',
     'NodeReplaceAssetsApi',
     'NodeAddChildrenApi', 'RefreshNodeHardwareInfoApi',
@@ -49,32 +50,32 @@ class NodeViewSet(BulkModelViewSet):
         serializer.save()
 
 
-class NodeWithAssetsApi(generics.ListAPIView):
-    permission_classes = (IsSuperUser,)
-    serializers = serializers.NodeSerializer
-
-    def get_node(self):
-        pk = self.kwargs.get('pk') or self.request.query_params.get('node')
-        if not pk:
-            node = Node.root()
-        else:
-            node = get_object_or_404(Node, pk)
-        return node
-
-    def get_queryset(self):
-        queryset = []
-        node = self.get_node()
-        children = node.get_children()
-        assets = node.get_assets()
-        queryset.extend(list(children))
-
-        for asset in assets:
-            node = Node()
-            node.id = asset.id
-            node.parent = node.id
-            node.value = asset.hostname
-            queryset.append(node)
-        return queryset
+# class NodeWithAssetsApi(generics.ListAPIView):
+#     permission_classes = (IsSuperUser,)
+#     serializers = serializers.NodeSerializer
+#
+#     def get_node(self):
+#         pk = self.kwargs.get('pk') or self.request.query_params.get('node')
+#         if not pk:
+#             node = Node.root()
+#         else:
+#             node = get_object_or_404(Node, pk)
+#         return node
+#
+#     def get_queryset(self):
+#         queryset = []
+#         node = self.get_node()
+#         children = node.get_children()
+#         assets = node.get_assets()
+#         queryset.extend(list(children))
+#
+#         for asset in assets:
+#             node = Node()
+#             node.id = asset.id
+#             node.parent = node.id
+#             node.value = asset.hostname
+#             queryset.append(node)
+#         return queryset
 
 
 class NodeChildrenApi(mixins.ListModelMixin, generics.CreateAPIView):
@@ -83,16 +84,29 @@ class NodeChildrenApi(mixins.ListModelMixin, generics.CreateAPIView):
     serializer_class = serializers.NodeSerializer
     instance = None
 
+    def counter(self):
+        values = [
+            child.value[child.value.rfind(' '):]
+            for child in self.get_object().get_children()
+            if child.value.startswith("新节点 ")
+        ]
+        values = [int(value) for value in values if value.strip().isdigit()]
+        count = max(values)+1 if values else 1
+        return count
+
     def post(self, request, *args, **kwargs):
         if not request.data.get("value"):
-            request.data["value"] = _("New node {}").format(
-                Node.root().get_next_child_key().split(":")[-1]
-            )
+            request.data["value"] = _("New node {}").format(self.counter())
         return super().post(request, *args, **kwargs)
 
     def create(self, request, *args, **kwargs):
         instance = self.get_object()
         value = request.data.get("value")
+        values = [child.value for child in instance.get_children()]
+        if value in values:
+            raise ValidationError(
+                'The same level node name cannot be the same'
+            )
         node = instance.create_child(value=value)
         return Response(
             {"id": node.id, "key": node.key, "value": node.value},
@@ -102,7 +116,7 @@ class NodeChildrenApi(mixins.ListModelMixin, generics.CreateAPIView):
     def get_object(self):
         pk = self.kwargs.get('pk') or self.request.query_params.get('id')
         if not pk:
-            node = Node.root()
+            node = None
         else:
             node = get_object_or_404(Node, pk=pk)
         return node
@@ -112,7 +126,8 @@ class NodeChildrenApi(mixins.ListModelMixin, generics.CreateAPIView):
         query_all = self.request.query_params.get("all")
         query_assets = self.request.query_params.get('assets')
         node = self.get_object()
-        if node == Node.root():
+        if node is None:
+            node = Node.root()
             queryset.append(node)
         if query_all:
             children = node.get_all_children()
@@ -125,10 +140,11 @@ class NodeChildrenApi(mixins.ListModelMixin, generics.CreateAPIView):
             for asset in assets:
                 node_fake = Node()
                 node_fake.id = asset.id
-                node_fake.parent = node
+                node_fake.is_node = False
+                node_fake.parent_id = node.id
                 node_fake.value = asset.hostname
-                node_fake.is_asset = True
                 queryset.append(node_fake)
+        queryset = sorted(queryset, key=lambda x: x.is_node, reverse=True)
         return queryset
 
     def get(self, request, *args, **kwargs):
@@ -163,7 +179,6 @@ class NodeAddChildrenApi(generics.UpdateAPIView):
             if not node:
                 continue
             node.parent = instance
-            node.save()
         return Response("OK")
 
 
@@ -190,6 +205,9 @@ class NodeRemoveAssetsApi(generics.UpdateAPIView):
         instance = self.get_object()
         if instance != Node.root():
             instance.assets.remove(*tuple(assets))
+        else:
+            assets = [asset for asset in assets if asset.nodes.count() > 1]
+            instance.assets.remove(*tuple(assets))
 
 
 class NodeReplaceAssetsApi(generics.UpdateAPIView):
diff --git a/apps/assets/api/system_user.py b/apps/assets/api/system_user.py
index b4e46cc78..66d62232d 100644
--- a/apps/assets/api/system_user.py
+++ b/apps/assets/api/system_user.py
@@ -40,7 +40,7 @@ class SystemUserViewSet(BulkModelViewSet):
     permission_classes = (IsSuperUserOrAppUser,)
 
 
-class SystemUserAuthInfoApi(generics.RetrieveUpdateAPIView):
+class SystemUserAuthInfoApi(generics.RetrieveUpdateDestroyAPIView):
     """
     Get system user auth info
     """
@@ -48,6 +48,11 @@ class SystemUserAuthInfoApi(generics.RetrieveUpdateAPIView):
     permission_classes = (IsSuperUserOrAppUser,)
     serializer_class = serializers.SystemUserAuthSerializer
 
+    def destroy(self, request, *args, **kwargs):
+        instance = self.get_object()
+        instance.clear_auth()
+        return Response(status=204)
+
 
 class SystemUserPushApi(generics.RetrieveAPIView):
     """
@@ -58,6 +63,9 @@ class SystemUserPushApi(generics.RetrieveAPIView):
 
     def retrieve(self, request, *args, **kwargs):
         system_user = self.get_object()
+        nodes = system_user.nodes.all()
+        for node in nodes:
+            system_user.assets.add(*tuple(node.get_all_assets()))
         task = push_system_user_to_assets_manual.delay(system_user)
         return Response({"task": task.id})
 
diff --git a/apps/assets/forms/asset.py b/apps/assets/forms/asset.py
index f8f187b4d..5000c087d 100644
--- a/apps/assets/forms/asset.py
+++ b/apps/assets/forms/asset.py
@@ -16,7 +16,7 @@ class AssetCreateForm(forms.ModelForm):
         fields = [
             'hostname', 'ip', 'public_ip', 'port',  'comment',
             'nodes', 'is_active', 'admin_user', 'labels', 'platform',
-            'domain',
+            'domain', 'protocol',
 
         ]
         widgets = {
@@ -56,7 +56,7 @@ class AssetUpdateForm(forms.ModelForm):
         fields = [
             'hostname', 'ip', 'port', 'nodes',  'is_active', 'platform',
             'public_ip', 'number', 'comment', 'admin_user', 'labels',
-            'domain',
+            'domain', 'protocol',
         ]
         widgets = {
             'nodes': forms.SelectMultiple(attrs={
diff --git a/apps/assets/forms/user.py b/apps/assets/forms/user.py
index 2295dc005..b25e19d87 100644
--- a/apps/assets/forms/user.py
+++ b/apps/assets/forms/user.py
@@ -93,14 +93,21 @@ class SystemUserForm(PasswordAndKeyAuthForm):
         # Because we define custom field, so we need rewrite :method: `save`
         system_user = super().save()
         password = self.cleaned_data.get('password', '') or None
+        login_mode = self.cleaned_data.get('login_mode', '') or None
+        protocol = self.cleaned_data.get('protocol') or None
         auto_generate_key = self.cleaned_data.get('auto_generate_key', False)
         private_key, public_key = super().gen_keys()
 
+        if login_mode == SystemUser.MANUAL_LOGIN or protocol == SystemUser.TELNET_PROTOCOL:
+            system_user.auto_push = 0
+            system_user.save()
+
         if auto_generate_key:
             logger.info('Auto generate key and set system user auth')
             system_user.auto_gen_auth()
         else:
             system_user.set_auth(password=password, private_key=private_key, public_key=public_key)
+
         return system_user
 
     def clean(self):
@@ -109,12 +116,24 @@ class SystemUserForm(PasswordAndKeyAuthForm):
         if not self.instance and not auto_generate:
             super().validate_password_key()
 
+    def is_valid(self):
+        validated = super().is_valid()
+        username = self.cleaned_data.get('username')
+        login_mode = self.cleaned_data.get('login_mode')
+        if login_mode == SystemUser.AUTO_LOGIN and not username:
+            self.add_error(
+                "username", _('* Automatic login mode,'
+                              ' must fill in the username.')
+            )
+            return False
+        return validated
+
     class Meta:
         model = SystemUser
         fields = [
             'name', 'username', 'protocol', 'auto_generate_key',
             'password', 'private_key_file', 'auto_push', 'sudo',
-            'comment', 'shell', 'priority',
+            'comment', 'shell', 'priority', 'login_mode',
         ]
         widgets = {
             'name': forms.TextInput(attrs={'placeholder': _('Name')}),
@@ -124,5 +143,8 @@ class SystemUserForm(PasswordAndKeyAuthForm):
             'name': '* required',
             'username': '* required',
             'auto_push': _('Auto push system user to asset'),
-            'priority': _('High level will be using login asset as default, if user was granted more than 2 system user'),
-        }
\ No newline at end of file
+            'priority': _('High level will be using login asset as default, '
+                          'if user was granted more than 2 system user'),
+            'login_mode': _('If you choose manual login mode, you do not '
+                            'need to fill in the username and password.')
+        }
diff --git a/apps/assets/hands.py b/apps/assets/hands.py
index ad44052d3..a1a376135 100644
--- a/apps/assets/hands.py
+++ b/apps/assets/hands.py
@@ -14,4 +14,3 @@
 from common.mixins import AdminUserRequiredMixin
 from common.permissions import IsAppUser, IsSuperUser, IsValidUser, IsSuperUserOrAppUser
 from users.models import User, UserGroup
-from perms.utils import NodePermissionUtil
diff --git a/apps/assets/models/asset.py b/apps/assets/models/asset.py
index 5b3009305..7a2b3fe57 100644
--- a/apps/assets/models/asset.py
+++ b/apps/assets/models/asset.py
@@ -5,6 +5,7 @@
 import uuid
 import logging
 import random
+from functools import reduce
 
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
@@ -35,6 +36,19 @@ def default_node():
         return None
 
 
+class AssetQuerySet(models.QuerySet):
+    def active(self):
+        return self.filter(is_active=True)
+
+    def valid(self):
+        return self.active()
+
+
+class AssetManager(models.Manager):
+    def get_queryset(self):
+        return AssetQuerySet(self.model, using=self._db)
+
+
 class Asset(models.Model):
     # Important
     PLATFORM_CHOICES = (
@@ -43,45 +57,89 @@ class Asset(models.Model):
         ('MacOS', 'MacOS'),
         ('BSD', 'BSD'),
         ('Windows', 'Windows'),
+        ('Windows2016', 'Windows(2016)'),
         ('Other', 'Other'),
     )
+
+    SSH_PROTOCOL = 'ssh'
+    RDP_PROTOCOL = 'rdp'
+    TELNET_PROTOCOL = 'telnet'
+    PROTOCOL_CHOICES = (
+        (SSH_PROTOCOL, 'ssh'),
+        (RDP_PROTOCOL, 'rdp'),
+        (TELNET_PROTOCOL, 'telnet (beta)'),
+    )
+
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
-    ip = models.GenericIPAddressField(max_length=32, verbose_name=_('IP'), db_index=True)
-    hostname = models.CharField(max_length=128, unique=True, verbose_name=_('Hostname'))
+    ip = models.GenericIPAddressField(max_length=32, verbose_name=_('IP'),
+                                      db_index=True)
+    hostname = models.CharField(max_length=128, unique=True,
+                                verbose_name=_('Hostname'))
+    protocol = models.CharField(max_length=128, default=SSH_PROTOCOL,
+                                choices=PROTOCOL_CHOICES,
+                                verbose_name=_('Protocol'))
     port = models.IntegerField(default=22, verbose_name=_('Port'))
-    platform = models.CharField(max_length=128, choices=PLATFORM_CHOICES, default='Linux', verbose_name=_('Platform'))
-    domain = models.ForeignKey("assets.Domain", null=True, blank=True, related_name='assets', verbose_name=_("Domain"), on_delete=models.SET_NULL)
-    nodes = models.ManyToManyField('assets.Node', default=default_node, related_name='assets', verbose_name=_("Nodes"))
+    platform = models.CharField(max_length=128, choices=PLATFORM_CHOICES,
+                                default='Linux', verbose_name=_('Platform'))
+    domain = models.ForeignKey("assets.Domain", null=True, blank=True,
+                               related_name='assets', verbose_name=_("Domain"),
+                               on_delete=models.SET_NULL)
+    nodes = models.ManyToManyField('assets.Node', default=default_node,
+                                   related_name='assets',
+                                   verbose_name=_("Nodes"))
     is_active = models.BooleanField(default=True, verbose_name=_('Is active'))
 
     # Auth
-    admin_user = models.ForeignKey('assets.AdminUser', on_delete=models.PROTECT, null=True, verbose_name=_("Admin user"))
+    admin_user = models.ForeignKey('assets.AdminUser', on_delete=models.PROTECT,
+                                   null=True, verbose_name=_("Admin user"))
 
     # Some information
-    public_ip = models.GenericIPAddressField(max_length=32, blank=True, null=True, verbose_name=_('Public IP'))
-    number = models.CharField(max_length=32, null=True, blank=True, verbose_name=_('Asset number'))
+    public_ip = models.GenericIPAddressField(max_length=32, blank=True,
+                                             null=True,
+                                             verbose_name=_('Public IP'))
+    number = models.CharField(max_length=32, null=True, blank=True,
+                              verbose_name=_('Asset number'))
 
     # Collect
-    vendor = models.CharField(max_length=64, null=True, blank=True, verbose_name=_('Vendor'))
-    model = models.CharField(max_length=54, null=True, blank=True, verbose_name=_('Model'))
-    sn = models.CharField(max_length=128, null=True, blank=True, verbose_name=_('Serial number'))
+    vendor = models.CharField(max_length=64, null=True, blank=True,
+                              verbose_name=_('Vendor'))
+    model = models.CharField(max_length=54, null=True, blank=True,
+                             verbose_name=_('Model'))
+    sn = models.CharField(max_length=128, null=True, blank=True,
+                          verbose_name=_('Serial number'))
 
-    cpu_model = models.CharField(max_length=64, null=True, blank=True, verbose_name=_('CPU model'))
+    cpu_model = models.CharField(max_length=64, null=True, blank=True,
+                                 verbose_name=_('CPU model'))
     cpu_count = models.IntegerField(null=True, verbose_name=_('CPU count'))
     cpu_cores = models.IntegerField(null=True, verbose_name=_('CPU cores'))
-    memory = models.CharField(max_length=64, null=True, blank=True, verbose_name=_('Memory'))
-    disk_total = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('Disk total'))
-    disk_info = models.CharField(max_length=1024, null=True, blank=True, verbose_name=_('Disk info'))
+    memory = models.CharField(max_length=64, null=True, blank=True,
+                              verbose_name=_('Memory'))
+    disk_total = models.CharField(max_length=1024, null=True, blank=True,
+                                  verbose_name=_('Disk total'))
+    disk_info = models.CharField(max_length=1024, null=True, blank=True,
+                                 verbose_name=_('Disk info'))
 
-    os = models.CharField(max_length=128, null=True, blank=True, verbose_name=_('OS'))
-    os_version = models.CharField(max_length=16, null=True, blank=True, verbose_name=_('OS version'))
-    os_arch = models.CharField(max_length=16, blank=True, null=True, verbose_name=_('OS arch'))
-    hostname_raw = models.CharField(max_length=128, blank=True, null=True, verbose_name=_('Hostname raw'))
+    os = models.CharField(max_length=128, null=True, blank=True,
+                          verbose_name=_('OS'))
+    os_version = models.CharField(max_length=16, null=True, blank=True,
+                                  verbose_name=_('OS version'))
+    os_arch = models.CharField(max_length=16, blank=True, null=True,
+                               verbose_name=_('OS arch'))
+    hostname_raw = models.CharField(max_length=128, blank=True, null=True,
+                                    verbose_name=_('Hostname raw'))
 
-    labels = models.ManyToManyField('assets.Label', blank=True, related_name='assets', verbose_name=_("Labels"))
-    created_by = models.CharField(max_length=32, null=True, blank=True, verbose_name=_('Created by'))
-    date_created = models.DateTimeField(auto_now_add=True, null=True, blank=True, verbose_name=_('Date created'))
-    comment = models.TextField(max_length=128, default='', blank=True, verbose_name=_('Comment'))
+    labels = models.ManyToManyField('assets.Label', blank=True,
+                                    related_name='assets',
+                                    verbose_name=_("Labels"))
+    created_by = models.CharField(max_length=32, null=True, blank=True,
+                                  verbose_name=_('Created by'))
+    date_created = models.DateTimeField(auto_now_add=True, null=True,
+                                        blank=True,
+                                        verbose_name=_('Date created'))
+    comment = models.TextField(max_length=128, default='', blank=True,
+                               verbose_name=_('Comment'))
+
+    objects = AssetManager()
 
     def __str__(self):
         return '{0.hostname}({0.ip})'.format(self)
@@ -103,7 +161,17 @@ class Asset(models.Model):
 
     def get_nodes(self):
         from .node import Node
-        return self.nodes.all() or [Node.root()]
+        nodes = self.nodes.all() or [Node.root()]
+        return nodes
+
+    def get_all_nodes(self, flat=False):
+        nodes = []
+        for node in self.get_nodes():
+            _nodes = node.get_ancestor(with_self=True)
+            _nodes.append(_nodes)
+        if flat:
+            nodes = list(reduce(lambda x, y: set(x) | set(y), nodes))
+        return nodes
 
     @property
     def hardware_info(self):
@@ -176,7 +244,8 @@ class Asset(models.Model):
 
         seed()
         for i in range(count):
-            asset = cls(ip='%s.%s.%s.%s' % (i, i, i, i),
+            ip = [str(i) for i in random.sample(range(255), 4)]
+            asset = cls(ip='.'.join(ip),
                         hostname=forgery_py.internet.user_name(True),
                         admin_user=choice(AdminUser.objects.all()),
                         port=22,
diff --git a/apps/assets/models/base.py b/apps/assets/models/base.py
index 2997b1b61..908e6b647 100644
--- a/apps/assets/models/base.py
+++ b/apps/assets/models/base.py
@@ -10,6 +10,7 @@ from django.utils.translation import ugettext_lazy as _
 from django.conf import settings
 
 from common.utils import get_signer, ssh_key_string_to_obj, ssh_key_gen
+from common.validators import alphanumeric
 from .utils import private_key_validator
 
 signer = get_signer()
@@ -18,7 +19,7 @@ signer = get_signer()
 class AssetUser(models.Model):
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
     name = models.CharField(max_length=128, unique=True, verbose_name=_('Name'))
-    username = models.CharField(max_length=128, verbose_name=_('Username'))
+    username = models.CharField(max_length=32, blank=True, verbose_name=_('Username'), validators=[alphanumeric])
     _password = models.CharField(max_length=256, blank=True, null=True, verbose_name=_('Password'))
     _private_key = models.TextField(max_length=4096, blank=True, null=True, verbose_name=_('SSH private key'), validators=[private_key_validator, ])
     _public_key = models.TextField(max_length=4096, blank=True, verbose_name=_('SSH public key'))
@@ -103,10 +104,16 @@ class AssetUser(models.Model):
         if update_fields:
             self.save(update_fields=update_fields)
 
+    def clear_auth(self):
+        self._password = ''
+        self._private_key = ''
+        self._public_key = ''
+        self.save()
+
     def auto_gen_auth(self):
         password = str(uuid.uuid4())
         private_key, public_key = ssh_key_gen(
-            username=self.username, password=password
+            username=self.username
         )
         self.set_auth(password=password,
                       private_key=private_key,
diff --git a/apps/assets/models/node.py b/apps/assets/models/node.py
index ad806342b..4f4f9ad8b 100644
--- a/apps/assets/models/node.py
+++ b/apps/assets/models/node.py
@@ -2,9 +2,10 @@
 #
 import uuid
 
-from django.db import models
+from django.db import models, transaction
+from django.db.models import Q
 from django.utils.translation import ugettext_lazy as _
-
+from common.utils import with_cache
 
 __all__ = ['Node']
 
@@ -12,25 +13,40 @@ __all__ = ['Node']
 class Node(models.Model):
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
     key = models.CharField(unique=True, max_length=64, verbose_name=_("Key"))  # '1:1:1:1'
-    value = models.CharField(max_length=128, unique=True, verbose_name=_("Value"))
+    value = models.CharField(max_length=128, verbose_name=_("Value"))
     child_mark = models.IntegerField(default=0)
     date_create = models.DateTimeField(auto_now_add=True)
 
-    is_asset = False
+    is_node = True
 
     def __str__(self):
         return self.full_value
 
+    def __eq__(self, other):
+        return self.key == other.key
+
+    def __gt__(self, other):
+        if self.is_root():
+            return True
+        self_key = [int(k) for k in self.key.split(':')]
+        other_key = [int(k) for k in other.key.split(':')]
+        if len(self_key) < len(other_key):
+            return True
+        elif len(self_key) > len(other_key):
+            return False
+        else:
+            return self_key[-1] < other_key[-1]
+
     @property
     def name(self):
         return self.value
 
     @property
     def full_value(self):
-        if self == self.__class__.root():
+        ancestor = [a.value for a in self.get_ancestor(with_self=True)]
+        if self.is_root():
             return self.value
-        else:
-            return '{} / {}'.format(self.parent.full_value, self.value)
+        return ' / '.join(ancestor)
 
     @property
     def level(self):
@@ -43,77 +59,106 @@ class Node(models.Model):
         return "{}:{}".format(self.key, mark)
 
     def create_child(self, value):
-        child_key = self.get_next_child_key()
-        child = self.__class__.objects.create(key=child_key, value=value)
-        return child
+        with transaction.atomic():
+            child_key = self.get_next_child_key()
+            child = self.__class__.objects.create(key=child_key, value=value)
+            return child
 
-    def get_children(self):
-        return self.__class__.objects.filter(key__regex=r'{}:[0-9]+$'.format(self.key))
+    def get_children(self, with_self=False):
+        pattern = r'^{0}$|^{}:[0-9]+$' if with_self else r'^{}:[0-9]+$'
+        return self.__class__.objects.filter(
+            key__regex=pattern.format(self.key)
+        )
 
-    def get_all_children(self):
-        return self.__class__.objects.filter(key__startswith='{}:'.format(self.key))
+    def get_all_children(self, with_self=False):
+        pattern = r'^{0}$|^{0}:' if with_self else r'^{0}'
+        return self.__class__.objects.filter(
+            key__regex=pattern.format(self.key)
+        )
+
+    def get_sibling(self, with_self=False):
+        key = ':'.join(self.key.split(':')[:-1])
+        pattern = r'^{}:[0-9]+$'.format(key)
+        sibling = self.__class__.objects.filter(
+            key__regex=pattern.format(self.key)
+        )
+        if not with_self:
+            sibling = sibling.exclude(key=self.key)
+        return sibling
 
     def get_family(self):
-        children = list(self.get_all_children())
-        children.append(self)
-        return children
+        ancestor = self.get_ancestor()
+        children = self.get_all_children()
+        return [*tuple(ancestor), self, *tuple(children)]
 
     def get_assets(self):
         from .asset import Asset
-        assets = Asset.objects.filter(nodes__id=self.id)
+        if self.is_root():
+            assets = Asset.objects.filter(
+                Q(nodes__id=self.id) | Q(nodes__isnull=True)
+            )
+        else:
+            assets = self.assets.all()
         return assets
 
-    def get_active_assets(self):
-        return self.get_assets().filter(is_active=True)
+    def get_valid_assets(self):
+        return self.get_assets().valid()
 
     def get_all_assets(self):
         from .asset import Asset
         if self.is_root():
             assets = Asset.objects.all()
         else:
-            nodes = self.get_family()
-            assets = Asset.objects.filter(nodes__in=nodes).distinct()
+            pattern = r'^{0}$|^{0}:'.format(self.key)
+            assets = Asset.objects.filter(nodes__key__regex=pattern)
         return assets
 
-    def has_assets(self):
-        return self.get_all_assets()
-
-    def get_all_active_assets(self):
-        return self.get_all_assets().filter(is_active=True)
+    def get_all_valid_assets(self):
+        return self.get_all_assets().valid()
 
     def is_root(self):
         return self.key == '0'
 
     @property
     def parent(self):
-        if self.key == "0":
+        if self.key == "0" or not self.key.startswith("0"):
             return self.__class__.root()
-        elif not self.key.startswith("0"):
-            return self.__class__.root()
-
         parent_key = ":".join(self.key.split(":")[:-1])
         try:
             parent = self.__class__.objects.get(key=parent_key)
+            return parent
         except Node.DoesNotExist:
             return self.__class__.root()
-        else:
-            return parent
 
     @parent.setter
     def parent(self, parent):
-        self.key = parent.get_next_child_key()
-
-    @property
-    def ancestor(self):
-        if self.parent == self.__class__.root():
-            return [self.__class__.root()]
+        if self.is_node:
+            children = self.get_all_children()
+            old_key = self.key
+            with transaction.atomic():
+                self.key = parent.get_next_child_key()
+                for child in children:
+                    child.key = child.key.replace(old_key, self.key, 1)
+                    child.save()
+                self.save()
         else:
-            return [self.parent, *tuple(self.parent.ancestor)]
+            self.key = parent.key+':fake'
 
-    @property
-    def ancestor_with_node(self):
-        ancestor = self.ancestor
-        ancestor.insert(0, self)
+    def get_ancestor(self, with_self=False):
+        if self.is_root():
+            ancestor = self.__class__.objects.filter(key='0')
+            return ancestor
+
+        _key = self.key.split(':')
+        if not with_self:
+            _key.pop()
+        ancestor_keys = []
+        for i in range(len(_key)):
+            ancestor_keys.append(':'.join(_key))
+            _key.pop()
+        ancestor = self.__class__.objects.filter(
+            key__in=ancestor_keys
+        ).order_by('key')
         return ancestor
 
     @classmethod
@@ -121,4 +166,6 @@ class Node(models.Model):
         obj, created = cls.objects.get_or_create(
             key='0', defaults={"key": '0', 'value': "ROOT"}
         )
+        print(obj)
         return obj
+
diff --git a/apps/assets/models/user.py b/apps/assets/models/user.py
index bf31b8491..5faca5da8 100644
--- a/apps/assets/models/user.py
+++ b/apps/assets/models/user.py
@@ -95,9 +95,18 @@ class AdminUser(AssetUser):
 class SystemUser(AssetUser):
     SSH_PROTOCOL = 'ssh'
     RDP_PROTOCOL = 'rdp'
+    TELNET_PROTOCOL = 'telnet'
     PROTOCOL_CHOICES = (
         (SSH_PROTOCOL, 'ssh'),
         (RDP_PROTOCOL, 'rdp'),
+        (TELNET_PROTOCOL, 'telnet (beta)'),
+    )
+
+    AUTO_LOGIN = 'auto'
+    MANUAL_LOGIN = 'manual'
+    LOGIN_MODE_CHOICES = (
+        (AUTO_LOGIN, _('Automatic login')),
+        (MANUAL_LOGIN, _('Manually login'))
     )
 
     nodes = models.ManyToManyField('assets.Node', blank=True, verbose_name=_("Nodes"))
@@ -107,6 +116,7 @@ class SystemUser(AssetUser):
     auto_push = models.BooleanField(default=True, verbose_name=_('Auto push'))
     sudo = models.TextField(default='/bin/whoami', verbose_name=_('Sudo'))
     shell = models.CharField(max_length=64,  default='/bin/bash', verbose_name=_('Shell'))
+    login_mode = models.CharField(choices=LOGIN_MODE_CHOICES, default=AUTO_LOGIN, max_length=10, verbose_name=_('Login mode'))
 
     def __str__(self):
         return '{0.name}({0.username})'.format(self)
diff --git a/apps/assets/serializers/asset.py b/apps/assets/serializers/asset.py
index 8556be3bf..e63735794 100644
--- a/apps/assets/serializers/asset.py
+++ b/apps/assets/serializers/asset.py
@@ -12,36 +12,10 @@ __all__ = [
 ]
 
 
-class NodeTMPSerializer(serializers.ModelSerializer):
-    parent = serializers.SerializerMethodField()
-    assets_amount = serializers.SerializerMethodField()
-
-    class Meta:
-        model = Node
-        fields = ['id', 'key', 'value', 'parent', 'assets_amount',
-                  'is_asset']
-        list_serializer_class = BulkListSerializer
-
-    @staticmethod
-    def get_parent(obj):
-        return obj.parent.id
-
-    @staticmethod
-    def get_assets_amount(obj):
-        return obj.get_all_assets().count()
-
-    def get_fields(self):
-        fields = super().get_fields()
-        field = fields["key"]
-        field.required = False
-        return fields
-
-
 class AssetSerializer(BulkSerializerMixin, serializers.ModelSerializer):
     """
     资产的数据结构
     """
-
     class Meta:
         model = Asset
         list_serializer_class = BulkListSerializer
@@ -62,14 +36,14 @@ class AssetGrantedSerializer(serializers.ModelSerializer):
     """
     system_users_granted = AssetSystemUserSerializer(many=True, read_only=True)
     system_users_join = serializers.SerializerMethodField()
-    nodes = NodeTMPSerializer(many=True, read_only=True)
+    # nodes = NodeTMPSerializer(many=True, read_only=True)
 
     class Meta:
         model = Asset
         fields = (
             "id", "hostname", "ip", "port", "system_users_granted",
-            "is_active", "system_users_join", "os", 'domain', "nodes",
-            "platform", "comment"
+            "is_active", "system_users_join", "os", 'domain',
+            "platform", "comment", "protocol",
         )
 
     @staticmethod
diff --git a/apps/assets/serializers/node.py b/apps/assets/serializers/node.py
index 1c9c385e9..56e01f742 100644
--- a/apps/assets/serializers/node.py
+++ b/apps/assets/serializers/node.py
@@ -48,16 +48,27 @@ class NodeSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Node
-        fields = ['id', 'key', 'value', 'parent', 'assets_amount', 'is_asset']
+        fields = ['id', 'key', 'value', 'parent', 'assets_amount', 'is_node']
         list_serializer_class = BulkListSerializer
 
+    def validate(self, data):
+        value = data.get('value')
+        instance = self.instance if self.instance else Node.root()
+        children = instance.parent.get_children().exclude(key=instance.key)
+        values = [child.value for child in children]
+        if value in values:
+            raise serializers.ValidationError(
+                'The same level node name cannot be the same'
+            )
+        return data
+
     @staticmethod
     def get_parent(obj):
-        return obj.parent.id
+        return obj.parent.id if obj.is_node else obj.parent_id
 
     @staticmethod
     def get_assets_amount(obj):
-        return obj.get_all_assets().count()
+        return obj.get_all_assets().count() if obj.is_node else 0
 
     def get_fields(self):
         fields = super().get_fields()
diff --git a/apps/assets/serializers/system_user.py b/apps/assets/serializers/system_user.py
index 7abd09d29..7a4e3aadc 100644
--- a/apps/assets/serializers/system_user.py
+++ b/apps/assets/serializers/system_user.py
@@ -18,6 +18,13 @@ class SystemUserSerializer(serializers.ModelSerializer):
         model = SystemUser
         exclude = ('_password', '_private_key', '_public_key')
 
+    def get_field_names(self, declared_fields, info):
+        fields = super(SystemUserSerializer, self).get_field_names(declared_fields, info)
+        fields.extend([
+            'get_login_mode_display',
+        ])
+        return fields
+
     @staticmethod
     def get_unreachable_assets(obj):
         return obj.unreachable_assets
@@ -56,7 +63,10 @@ class AssetSystemUserSerializer(serializers.ModelSerializer):
     """
     class Meta:
         model = SystemUser
-        fields = ('id', 'name', 'username', 'priority', 'protocol',  'comment',)
+        fields = (
+            'id', 'name', 'username', 'priority',
+            'protocol',  'comment', 'login_mode'
+        )
 
 
 class SystemUserSimpleSerializer(serializers.ModelSerializer):
diff --git a/apps/assets/signals_handler.py b/apps/assets/signals_handler.py
index 06cd9f63e..157c88012 100644
--- a/apps/assets/signals_handler.py
+++ b/apps/assets/signals_handler.py
@@ -63,22 +63,26 @@ def on_system_user_assets_change(sender, instance=None, **kwargs):
 
 @receiver(m2m_changed, sender=Asset.nodes.through)
 def on_asset_node_changed(sender, instance=None, **kwargs):
-    if isinstance(instance, Asset) and kwargs['action'] == 'post_add':
-        logger.debug("Asset node change signal received")
-        nodes = kwargs['model'].objects.filter(pk__in=kwargs['pk_set'])
-        system_users_assets = defaultdict(set)
-        system_users = SystemUser.objects.filter(nodes__in=nodes)
-        for system_user in system_users:
-            system_users_assets[system_user].update({instance})
-        for system_user, assets in system_users_assets.items():
-            system_user.assets.add(*tuple(assets))
+    if isinstance(instance, Asset):
+        if kwargs['action'] == 'post_add':
+            logger.debug("Asset node change signal received")
+            nodes = kwargs['model'].objects.filter(pk__in=kwargs['pk_set'])
+            system_users_assets = defaultdict(set)
+            system_users = SystemUser.objects.filter(nodes__in=nodes)
+            # 清理节点缓存
+            for system_user in system_users:
+                system_users_assets[system_user].update({instance})
+            for system_user, assets in system_users_assets.items():
+                system_user.assets.add(*tuple(assets))
 
 
 @receiver(m2m_changed, sender=Asset.nodes.through)
 def on_node_assets_changed(sender, instance=None, **kwargs):
-    if isinstance(instance, Node) and kwargs['action'] == 'post_add':
-        logger.debug("Node assets change signal received")
+    if isinstance(instance, Node):
         assets = kwargs['model'].objects.filter(pk__in=kwargs['pk_set'])
-        system_users = SystemUser.objects.filter(nodes=instance)
-        for system_user in system_users:
-            system_user.assets.add(*tuple(assets))
+        if kwargs['action'] == 'post_add':
+            logger.debug("Node assets change signal received")
+            # 重新关联系统用户和资产的关系
+            system_users = SystemUser.objects.filter(nodes=instance)
+            for system_user in system_users:
+                system_user.assets.add(*tuple(assets))
diff --git a/apps/assets/tasks.py b/apps/assets/tasks.py
index dd660bc42..f1773df11 100644
--- a/apps/assets/tasks.py
+++ b/apps/assets/tasks.py
@@ -22,7 +22,7 @@ TIMEOUT = 60
 logger = get_logger(__file__)
 CACHE_MAX_TIME = 60*60*60
 disk_pattern = re.compile(r'^hd|sd|xvd|vd')
-PERIOD_TASK = os.environ.get("PERIOD_TASK", "on")
+PERIOD_TASK = os.environ.get("PERIOD_TASK", "off")
 
 
 @shared_task
diff --git a/apps/assets/templates/assets/_asset_list_modal.html b/apps/assets/templates/assets/_asset_list_modal.html
index c5cd48857..faf569137 100644
--- a/apps/assets/templates/assets/_asset_list_modal.html
+++ b/apps/assets/templates/assets/_asset_list_modal.html
@@ -59,7 +59,7 @@ var zTree2, asset_table2 = 0;
 function initTable2() {
     var options = {
         ele: $('#asset_list_modal_table'),
-        ajax_url: '{% url "api-assets:asset-list" %}',
+        ajax_url: '{% url "api-assets:asset-list" %}?show_current_asset=1',
         columns: [
             {data: "id"}, {data: "hostname" }, {data: "ip" }
         ],
@@ -98,7 +98,10 @@ function initTree2() {
     $.get("{% url 'api-assets:node-list' %}", function(data, status){
         $.each(data, function (index, value) {
             value["pId"] = value["parent"];
-            value["open"] = true;
+            {#value["open"] = true;#}
+            if (value["key"] === "0") {
+                value["open"] = true;
+            }
             value["name"] = value["value"] + ' (' + value['assets_amount'] + ')';
             value['value'] = value['value'];
         });
diff --git a/apps/assets/templates/assets/_system_user.html b/apps/assets/templates/assets/_system_user.html
index 528e271e6..4e1bc51a8 100644
--- a/apps/assets/templates/assets/_system_user.html
+++ b/apps/assets/templates/assets/_system_user.html
@@ -36,12 +36,13 @@
                             {% endif %}
                             <h3>{% trans 'Basic' %}</h3>
                             {% bootstrap_field form.name layout="horizontal" %}
+                            {% bootstrap_field form.login_mode layout="horizontal" %}
                             {% bootstrap_field form.username layout="horizontal" %}
                             {% bootstrap_field form.priority layout="horizontal" %}
                             {% bootstrap_field form.protocol layout="horizontal" %}
 
+                            <h3 id="auth_title_id">{% trans 'Auth' %}</h3>
                             {% block auth %}
-                            <h3>{% trans 'Auth' %}</h3>
                             <div class="auto-generate">
                                 <div class="form-group">
                                     <label for="{{ form.auto_generate_key.id_for_label }}" class="col-sm-2 control-label">{% trans 'Auto generate key' %}</label>
@@ -55,7 +56,7 @@
                                 {% bootstrap_field form.private_key_file layout="horizontal" %}
                             </div>
                             <div class="form-group">
-                                <label for="{{ form.as_push.id_for_label }}" class="col-sm-2 control-label">{% trans 'Auto push' %}</label>
+                                <label for="{{ form.auto_push.id_for_label }}" class="col-sm-2 control-label">{% trans 'Auto push' %}</label>
                                 <div class="col-sm-8">
                                     {{ form.auto_push}}
                                 </div>
@@ -79,43 +80,86 @@
     </div>
 {% endblock %}
 {% block custom_foot_js %}
-    <script>
-        var auto_generate_key = '#'+'{{ form.auto_generate_key.id_for_label }}';
-        var protocol_id = '#' + '{{ form.protocol.id_for_label }}';
-        var password_id = '#' + '{{ form.password.id_for_label }}';
-        var private_key_id = '#' + '{{ form.private_key_file.id_for_label }}';
-        var sudo_id = '#' + '{{ form.sudo.id_for_label }}';
-        var shell_id = '#' + '{{ form.shell.id_for_label }}';
+<script>
+var protocol_id = '#' + '{{ form.protocol.id_for_label }}';
+var login_mode_id = '#' + '{{ form.login_mode.id_for_label }}';
 
-        var need_change_field = [auto_generate_key, private_key_id, sudo_id, shell_id] ;
+var auto_generate_key = '#'+'{{ form.auto_generate_key.id_for_label }}';
+var password_id = '#' + '{{ form.password.id_for_label }}';
+var private_key_id = '#' + '{{ form.private_key_file.id_for_label }}';
+var auto_push_id = '#' + '{{ form.auto_push.id_for_label }}';
+var sudo_id = '#' + '{{ form.sudo.id_for_label }}';
+var shell_id = '#' + '{{ form.shell.id_for_label }}';
 
-        function authFieldsDisplay() {
-            if ($(auto_generate_key).prop('checked')) {
-                $('.auth-fields').addClass('hidden');
-            } else {
-                $('.auth-fields').removeClass('hidden');
-            }
+var need_change_field = [
+    auto_generate_key, private_key_id, auto_push_id, sudo_id, shell_id
+];
+var need_change_field_login_mode = [
+    auto_generate_key, private_key_id, auto_push_id, password_id
+];
+
+function protocolChange() {
+    if ($(protocol_id + " option:selected").text() === 'rdp') {
+        $('.auth-fields').removeClass('hidden');
+        $.each(need_change_field, function (index, value) {
+            $(value).closest('.form-group').addClass('hidden')
+        });
+    }
+    else if ($(protocol_id + " option:selected").text() === 'telnet (beta)') {
+        $('.auth-fields').removeClass('hidden');
+        $.each(need_change_field, function (index, value) {
+            $(value).closest('.form-group').addClass('hidden')
+        });
+    }
+    else {
+        if($(login_mode_id).val() === 'manual'){
+            $(sudo_id).closest('.form-group').removeClass('hidden');
+            $(shell_id).closest('.form-group').removeClass('hidden');
+            return
         }
+        authFieldsDisplay();
+        $.each(need_change_field, function (index, value) {
+            $(value).closest('.form-group').removeClass('hidden')
+        });
+    }
+}
 
-        function protocolChange() {
-            if ($(protocol_id).attr('value') === 'rdp') {
-                $.each(need_change_field, function (index, value) {
-                    $(value).addClass('hidden')
-                });
-                $(password_id).removeClass('hidden')
-            } else {
-                $.each(need_change_field, function (index, value) {
-                    $(value).removeClass('hidden')
-                });
-            }
-        }
-        $(document).ready(function () {
-            $('.select2').select2();
-            authFieldsDisplay();
-            protocolChange();
-            $(auto_generate_key).change(function () {
-                authFieldsDisplay();
-            });
+function authFieldsDisplay() {
+    if ($(auto_generate_key).prop('checked')) {
+        $('.auth-fields').addClass('hidden');
+    } else {
+        $('.auth-fields').removeClass('hidden');
+    }
+}
+function loginModeChange(){
+    if ($(login_mode_id).val() === 'manual'){
+        $('#auth_title_id').addClass('hidden');
+        $.each(need_change_field_login_mode, function(index, value){
+            $(value).closest('.form-group').addClass('hidden')
         })
-    </script>
+    }
+    else if($(login_mode_id).val() === 'auto'){
+        $('#auth_title_id').removeClass('hidden');
+        $(password_id).closest('.form-group').removeClass('hidden')
+        protocolChange();
+    }
+}
+
+$(document).ready(function () {
+    $('.select2').select2();
+    authFieldsDisplay();
+    protocolChange();
+    loginModeChange();
+})
+.on('change', protocol_id, function(){
+    protocolChange();
+})
+.on('change', auto_generate_key, function(){
+    authFieldsDisplay();
+})
+.on('change', login_mode_id, function(){
+    loginModeChange();
+})
+
+</script>
 {% endblock %}
\ No newline at end of file
diff --git a/apps/assets/templates/assets/admin_user_assets.html b/apps/assets/templates/assets/admin_user_assets.html
index 80ff0cd5f..31314392f 100644
--- a/apps/assets/templates/assets/admin_user_assets.html
+++ b/apps/assets/templates/assets/admin_user_assets.html
@@ -124,7 +124,7 @@ $(document).ready(function () {
     var success = function (data) {
         var task_id = data.task;
         var url = '{% url "ops:celery-task-log" pk=DEFAULT_PK %}'.replace("{{ DEFAULT_PK }}", task_id);
-        window.open(url, '', 'width=800,height=600')
+        window.open(url, '', 'width=800,height=600,left=400,top=400')
     };
     APIUpdateAttr({
         url: the_url,
diff --git a/apps/assets/templates/assets/admin_user_list.html b/apps/assets/templates/assets/admin_user_list.html
index bcb40fb29..15a870800 100644
--- a/apps/assets/templates/assets/admin_user_list.html
+++ b/apps/assets/templates/assets/admin_user_list.html
@@ -5,7 +5,7 @@
 
 {% block help_message %}
     <div class="alert alert-info help-message">
-    管理用户是服务器的root，或拥有 NOPASSWD: ALL sudo权限的用户，Jumpserver使用该用户来 `推送系统用户`、`获取资产硬件信息`等。
+    管理用户是资产（被控服务器）上的root，或拥有 NOPASSWD: ALL sudo权限的用户，Jumpserver使用该用户来 `推送系统用户`、`获取资产硬件信息`等。
     Windows或其它硬件可以随意设置一个
     </div>
 {% endblock %}
@@ -107,6 +107,3 @@ $(document).ready(function(){
 });
 </script>
 {% endblock %}
-
-
-
diff --git a/apps/assets/templates/assets/asset_create.html b/apps/assets/templates/assets/asset_create.html
index 99703d2e3..55e233d0d 100644
--- a/apps/assets/templates/assets/asset_create.html
+++ b/apps/assets/templates/assets/asset_create.html
@@ -17,6 +17,7 @@
     {% bootstrap_field form.hostname layout="horizontal" %}
     {% bootstrap_field form.platform layout="horizontal" %}
     {% bootstrap_field form.ip layout="horizontal" %}
+    {% bootstrap_field form.protocol layout="horizontal" %}
     {% bootstrap_field form.port layout="horizontal" %}
     {% bootstrap_field form.public_ip layout="horizontal" %}
     {% bootstrap_field form.domain layout="horizontal" %}
@@ -85,14 +86,14 @@ $(document).ready(function () {
         allowClear: true,
         templateSelection: format
     });
-    $("#id_platform").change(function (){
-        var platform = $("#id_platform option:selected").text();
+    $("#id_protocol").change(function (){
+        var protocol = $("#id_protocol option:selected").text();
         var port = 22;
-        if(platform === 'Windows'){
+        if(protocol === 'rdp'){
             port = 3389;
         }
-        if(platform === 'Other'){
-            port = null;
+        if(protocol === 'telnet (beta)'){
+            port = 23;
         }
         $("#id_port").val(port);
     });
diff --git a/apps/assets/templates/assets/asset_detail.html b/apps/assets/templates/assets/asset_detail.html
index 0b1b2865a..b07a7c348 100644
--- a/apps/assets/templates/assets/asset_detail.html
+++ b/apps/assets/templates/assets/asset_detail.html
@@ -190,7 +190,7 @@
                                                 <td colspan="2" class="no-borders">
                                                     <select data-placeholder="{% trans 'Nodes' %}" id="groups_selected" class="select2 groups" style="width: 100%" multiple="" tabindex="4">
                                                         {% for node in nodes_remain %}
-                                                        <option value="{{ node.id }}" id="opt_{{ node.id }}" >{{ node.name }}</option>
+                                                        <option value="{{ node.id }}" id="opt_{{ node.id }}" >{{ node }}</option>
                                                         {% endfor %}
                                                     </select>
                                                 </td>
@@ -204,7 +204,7 @@
 
                                         {% for node in asset.nodes.all %}
                                         <tr>
-                                          <td ><b class="bdg_node" data-gid={{ node.id }}>{{ node.name }}</b></td>
+                                          <td ><b class="bdg_node" data-gid={{ node.id }}>{{ node }}</b></td>
                                           <td>
                                               <button class="btn btn-danger pull-right btn-xs btn-leave-node" type="button"><i class="fa fa-minus"></i></button>
                                           </td>
diff --git a/apps/assets/templates/assets/asset_list.html b/apps/assets/templates/assets/asset_list.html
index 04ba11e57..b5e53aaba 100644
--- a/apps/assets/templates/assets/asset_list.html
+++ b/apps/assets/templates/assets/asset_list.html
@@ -17,20 +17,21 @@
             position:absolute;
             visibility:hidden;
             text-align: left;
-            top: 100%;
+            {#top: 100%;#}
+            top: 0;
             left: 0;
             z-index: 1000;
-            float: left;
-            padding: 5px 0;
+            {#float: left;#}
+            padding: 0 0;
             margin: 2px 0 0;
             list-style: none;
             background-clip: padding-box;
-        }
+         }
         div#rMenu li{
         	margin: 1px 0;
         	cursor: pointer;
-        	{#list-style: none outside none;#}
-        }
+        	list-style: none outside none;
+         }
         .dropdown a:hover {
             background-color: #f1f1f1
         }
@@ -47,7 +48,6 @@
                    <div class="file-manager ">
                        <div id="assetTree" class="ztree">
                        </div>
-
                        <div class="clearfix"></div>
                    </div>
                </div>
@@ -87,7 +87,7 @@
                            <th class="text-center">{% trans 'IP' %}</th>
                            <th class="text-center">{% trans 'Hardware' %}</th>
                            <th class="text-center">{% trans 'Active' %}</th>
-                           <th class="text-center">{% trans 'Reachable' %}</th>
+{#                           <th class="text-center">{% trans 'Reachable' %}</th>#}
                            <th class="text-center">{% trans 'Action' %}</th>
                        </tr>
                    </thead>
@@ -127,6 +127,9 @@
         <li class="divider"></li>
         <li id="menu_refresh_hardware_info" class="btn-refresh-hardware" tabindex="-1"><a><i class="fa fa-refresh"></i> {% trans 'Refresh node hardware info' %}</a></li>
         <li id="menu_test_connective" class="btn-test-connective" tabindex="-1"><a><i class="fa fa-chain"></i> {% trans 'Test node connective' %}</a></li>
+        <li class="divider"></li>
+        <li id="show_current_asset" class="btn-show-current-asset" style="display: none;" tabindex="-1"><a><i class="fa fa-hand-o-up"></i> {% trans 'Display only current node assets' %}</a></li>
+        <li id="show_all_asset" class="btn-show-all-asset" style="display: none;" tabindex="-1"><a><i class="fa fa-th"></i> {% trans 'Displays all child node assets' %}</a></li>
     </ul>
 </div>
 
@@ -157,26 +160,35 @@ function initTable() {
                     $(td).html('<i class="fa fa-check text-navy"></i>')
                 }
             }},
-            {targets: 5, createdCell: function (td, cellData) {
-                if (cellData === 'Unknown'){
-                    $(td).html('<i class="fa fa-circle text-warning"></i>')
-                } else if (!cellData) {
-                    $(td).html('<i class="fa fa-circle text-danger"></i>')
-                } else {
-                    $(td).html('<i class="fa fa-circle text-navy"></i>')
-                }
-            }},
-            {targets: 6, createdCell: function (td, cellData, rowData) {
+
+            {#{targets: 5, createdCell: function (td, cellData) {#}
+            {#    if (cellData === 'Unknown'){#}
+            {#        $(td).html('<i class="fa fa-circle text-warning"></i>')#}
+            {#    } else if (!cellData) {#}
+            {#        $(td).html('<i class="fa fa-circle text-danger"></i>')#}
+            {#    } else {#}
+            {#        $(td).html('<i class="fa fa-circle text-navy"></i>')#}
+            {#    }#}
+            {# }},#}
+
+            {targets: 5, createdCell: function (td, cellData, rowData) {
                 var update_btn = '<a href="{% url "assets:asset-update" pk=DEFAULT_PK %}" class="btn btn-xs btn-info">{% trans "Update" %}</a>'.replace("{{ DEFAULT_PK }}", cellData);
                 var del_btn = '<a class="btn btn-xs btn-danger m-l-xs btn_asset_delete" data-uid="{{ DEFAULT_PK }}">{% trans "Delete" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 $(td).html(update_btn + del_btn)
             }}
         ],
         ajax_url: '{% url "api-assets:asset-list" %}',
+
+        {#columns: [#}
+        {#    {data: "id"}, {data: "hostname" }, {data: "ip" },#}
+        {#    {data: "cpu_cores"}, {data: "is_active", orderable: false },#}
+        {#    {data: "is_connective", orderable: false}, {data: "id", orderable: false }#}
+        {#],#}
+
         columns: [
             {data: "id"}, {data: "hostname" }, {data: "ip" },
             {data: "cpu_cores"}, {data: "is_active", orderable: false },
-            {data: "is_connective", orderable: false}, {data: "id", orderable: false }
+            {data: "id", orderable: false }
         ],
         op_html: $('#actions').html()
     };
@@ -200,6 +212,8 @@ function addTreeNode() {
             };
             newNode.checked = zTree.getSelectedNodes()[0].checked;
             zTree.addNodes(parentNode, 0, newNode);
+            var node = zTree.getNodeByParam('id', newNode.id, parentNode)
+            zTree.editName(node);
         } else {
             alert("{% trans 'Create node failed' %}")
         }
@@ -230,9 +244,9 @@ function removeTreeNode() {
 
 function editTreeNode() {
     hideRMenu();
-	var current_node = zTree.getSelectedNodes()[0];
-	if (!current_node){
-	    return
+    var current_node = zTree.getSelectedNodes()[0];
+    if (!current_node){
+        return
     }
     if (current_node.value) {
         current_node.name = current_node.value;
@@ -253,6 +267,8 @@ function OnRightClick(event, treeId, treeNode) {
 function showRMenu(type, x, y) {
 	$("#rMenu ul").show();
     x -= 220;
+    x += document.body.scrollLeft;
+    y += document.body.scrollTop+document.documentElement.scrollTop;
     rMenu.css({"top":y+"px", "left":x+"px", "visibility":"visible"});
 
 	$("body").bind("mousedown", onBodyMouseDown);
@@ -290,6 +306,7 @@ function onRename(event, treeId, treeNode, isCancel){
 function onSelected(event, treeNode) {
     var url = asset_table.ajax.url();
     url = setUrlParam(url, "node_id", treeNode.id);
+    url = setUrlParam(url, "show_current_asset", getCookie('show_current_asset'));
     setCookie('node_selected', treeNode.id);
     asset_table.ajax.url(url);
     asset_table.ajax.reload();
@@ -385,9 +402,9 @@ function initTree() {
     $.get("{% url 'api-assets:node-list' %}", function(data, status){
         $.each(data, function (index, value) {
             value["pId"] = value["parent"];
-            {#if (value["key"] === "0") {#}
-            value["open"] = true;
-            {# }#}
+            if (value["key"] === "0") {
+                value["open"] = true;
+             }
             value["name"] = value["value"] + ' (' + value['assets_amount'] + ')';
             value['value'] = value['value'];
         });
@@ -417,6 +434,13 @@ function toggle() {
 $(document).ready(function(){
     initTable();
     initTree();
+
+    if(getCookie('show_current_asset') === '1'){
+        $('#show_all_asset').css('display', 'inline-block');
+    }
+    else{
+        $('#show_current_asset').css('display', 'inline-block');
+    }
 })
 .on('click', '.labels li', function () {
     var val = $(this).text();
@@ -535,6 +559,20 @@ $(document).ready(function(){
         flash_message: false
     });
 })
+.on('click', '.btn-show-current-asset', function(){
+    hideRMenu();
+    $(this).css('display', 'none');
+    $('#show_all_asset').css('display', 'inline-block');
+    setCookie('show_current_asset', '1');
+    location.reload();
+})
+.on('click', '.btn-show-all-asset', function(){
+    hideRMenu();
+    $(this).css('display', 'none');
+    $('#show_current_asset').css('display', 'inline-block');
+    setCookie('show_current_asset', '');
+    location.reload();
+})
 .on('click', '.btn_asset_delete', function () {
     var $this = $(this);
     var $data_table = $("#asset_list_table").DataTable();
diff --git a/apps/assets/templates/assets/asset_update.html b/apps/assets/templates/assets/asset_update.html
index 3d42ca2b5..7ed1da05a 100644
--- a/apps/assets/templates/assets/asset_update.html
+++ b/apps/assets/templates/assets/asset_update.html
@@ -21,6 +21,7 @@
     <h3>{% trans 'Basic' %}</h3>
     {% bootstrap_field form.hostname layout="horizontal" %}
     {% bootstrap_field form.ip layout="horizontal" %}
+    {% bootstrap_field form.protocol layout="horizontal" %}
     {% bootstrap_field form.port layout="horizontal" %}
     {% bootstrap_field form.platform layout="horizontal" %}
     {% bootstrap_field form.public_ip layout="horizontal" %}
diff --git a/apps/assets/templates/assets/domain_gateway_list.html b/apps/assets/templates/assets/domain_gateway_list.html
index 581f6c08a..c2d5528ee 100644
--- a/apps/assets/templates/assets/domain_gateway_list.html
+++ b/apps/assets/templates/assets/domain_gateway_list.html
@@ -85,6 +85,9 @@ function initTable() {
                 var update_btn = '<a href="{% url "assets:domain-gateway-update" pk=DEFAULT_PK %}" class="btn btn-xs btn-info">{% trans "Update" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 var del_btn = '<a class="btn btn-xs btn-danger m-l-xs btn-delete" data-uid="{{ DEFAULT_PK }}">{% trans "Delete" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 var test_btn = '<a class="btn btn-xs btn-warning m-l-xs btn-test" data-uid="{{ DEFAULT_PK }}">{% trans "Test connection" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
+                if(rowData.protocol === 'rdp'){
+                    test_btn = '<a class="btn btn-xs btn-warning m-l-xs btn-test" disabled data-uid="{{ DEFAULT_PK }}">{% trans "Test connection" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
+                }
                 $(td).html(update_btn + test_btn + del_btn)
              }}
         ],
@@ -120,7 +123,6 @@ $(document).ready(function(){
         success_message: "可连接",
         fail_message: "连接失败"
     })
-
-})
+});
 </script>
 {% endblock %}
diff --git a/apps/assets/templates/assets/domain_list.html b/apps/assets/templates/assets/domain_list.html
index 926c4bbc3..a4042d57e 100644
--- a/apps/assets/templates/assets/domain_list.html
+++ b/apps/assets/templates/assets/domain_list.html
@@ -1,6 +1,14 @@
 {% extends '_base_list.html' %}
 {% load i18n static %}
 {% block table_search %}{% endblock %}
+
+{% block help_message %}
+    <div class="alert alert-info help-message">
+    网域功能是为了解决部分环境（如：混合云）无法直接连接而新增的功能，原理是通过网关服务器进行跳转登
+录。
+    </div>
+{% endblock %}
+
 {% block table_container %}
 <div class="uc pull-left  m-r-5">
     <a href="{% url 'assets:domain-create' %}" class="btn btn-sm btn-primary"> {% trans "Create domain" %} </a>
@@ -69,6 +77,3 @@ $(document).ready(function(){
 });
 </script>
 {% endblock %}
-
-
-
diff --git a/apps/assets/templates/assets/gateway_create_update.html b/apps/assets/templates/assets/gateway_create_update.html
index 7d6800c41..7c1bf14b2 100644
--- a/apps/assets/templates/assets/gateway_create_update.html
+++ b/apps/assets/templates/assets/gateway_create_update.html
@@ -66,3 +66,28 @@
         </div>
     </div>
 {% endblock %}
+
+{% block custom_foot_js %}
+<script>
+var protocol_id = '#' + '{{ form.protocol.id_for_label }}';
+var private_key_id = '#' + '{{ form.private_key_file.id_for_label }}';
+var port = '#' + '{{ form.port.id_for_label }}';
+
+function protocolChange() {
+    if ($(protocol_id + " option:selected").text() === 'rdp') {
+        {#$(port).val(3389);#}
+        $(private_key_id).closest('.form-group').addClass('hidden')
+    } else {
+        {#$(port).val(22);#}
+        $(private_key_id).closest('.form-group').removeClass('hidden')
+    }
+}
+
+$(document).ready(function(){
+    protocolChange();
+})
+.on('change', protocol_id, function(){
+    protocolChange();
+});
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/apps/assets/templates/assets/system_user_detail.html b/apps/assets/templates/assets/system_user_detail.html
index a02bf1e44..f0ed6030c 100644
--- a/apps/assets/templates/assets/system_user_detail.html
+++ b/apps/assets/templates/assets/system_user_detail.html
@@ -63,15 +63,19 @@
                                             <td><b>{{ system_user.username }}</b></td>
                                         </tr>
                                         <tr>
-                                            <td>{% trans 'Protocol' %}:</td>
-                                            <td><b>{{ system_user.protocol }}</b></td>
+                                            <td>{% trans 'Login mode' %}:</td>
+                                            <td><b>{{ system_user.get_login_mode_display }}</b></td>
                                         </tr>
                                         <tr>
+                                            <td>{% trans 'Protocol' %}:</td>
+                                            <td><b id="id_protocol_type">{{ system_user.protocol }}</b></td>
+                                        </tr>
+                                        <tr class="only-ssh">
                                             <td>{% trans 'Sudo' %}:</td>
                                             <td><b>{{ system_user.sudo }}</b></td>
                                         </tr>
                                         {% if system_user.shell %}
-                                        <tr>
+                                        <tr class="only-ssh">
                                             <td>{% trans 'Shell' %}:</td>
                                             <td><b>{{ system_user.shell }}</b></td>
                                         </tr>
@@ -107,14 +111,14 @@
                         </div>
 
                         <div class="col-sm-4" style="padding-left: 0;padding-right: 0">
-                            <div class="panel panel-primary">
+                            <div class="panel panel-primary ">
                                 <div class="panel-heading">
                                     <i class="fa fa-info-circle"></i> {% trans 'Quick update' %}
                                 </div>
                                 <div class="panel-body">
                                     <table class="table">
                                         <tbody>
-                                        <tr class="no-borders-tr">
+                                        <tr class="only-ssh">
                                             <td width="50%">{% trans 'Auto push' %}:</td>
                                             <td>
                                                 <span class="pull-right">
@@ -130,8 +134,8 @@
                                                 </span>
                                             </td>
                                         </tr>
-                                        <tr class="no-borders-tr">
                                         {% if system_user.auto_push %}
+                                        <tr class="only-ssh">
                                             <td width="50%">{% trans 'Push system user now' %}:</td>
                                             <td>
                                                 <span style="float: right">
@@ -139,8 +143,8 @@
                                                 </span>
                                             </td>
                                         </tr>
-                                        <tr>
                                         {% endif %}
+                                        <tr class="only-ssh">
                                             <td width="50%">{% trans 'Test assets connective' %}:</td>
                                             <td>
                                                 <span style="float: right">
@@ -149,6 +153,15 @@
                                             </td>
                                         </tr>
 
+                                        <tr>
+                                            <td width="50%">{% trans 'Clear auth' %}:</td>
+                                            <td>
+                                                <span style="float: right">
+                                                    <button type="button" class="btn btn-primary btn-xs btn-clear-auth" style="width: 54px">{% trans 'Clear' %}</button>
+                                                </span>
+                                            </td>
+                                        </tr>
+
 {#                                        <tr>#}
 {#                                            <td width="50%">{% trans 'Change auth period' %}:</td>#}
 {#                                            <td>#}
@@ -236,6 +249,10 @@ function updateSystemUserNode(nodes) {
 }
 jumpserver.nodes_selected = {};
 $(document).ready(function () {
+    if($('#id_protocol_type').text() === 'rdp'){
+        $('.only-ssh').addClass('hidden')
+    }
+    $(".panel-body .table tr:visible:first").addClass('no-borders-tr');
     $('.select2').select2()
     .on('select2:select', function(evt) {
             var data = evt.params.data;
@@ -296,7 +313,7 @@ $(document).ready(function () {
     var success = function (data) {
         var task_id = data.task;
         var url = '{% url "ops:celery-task-log" pk=DEFAULT_PK %}'.replace("{{ DEFAULT_PK }}", task_id);
-        window.open(url, '', 'width=800,height=600')
+        window.open(url, '', 'width=800,height=600,left=400,top=400')
     };
     APIUpdateAttr({
         url: the_url,
@@ -318,6 +335,25 @@ $(document).ready(function () {
         success: success,
         flash_message: false
     });
+}).on('click', '.btn-clear-auth', function () {
+    var the_url = '{% url "api-assets:system-user-auth-info" pk=system_user.id %}';
+    var name = '{{ system_user.name }}';
+    swal({
+        title: '你确定清除该系统用户的认证信息吗 ?',
+        text: " [" + name + "] ",
+        type: "warning",
+        showCancelButton: true,
+        cancelButtonText: '取消',
+        confirmButtonColor: "#ed5565",
+        confirmButtonText: '确认',
+        closeOnConfirm: true
+    }, function () {
+        APIUpdateAttr({
+            url: the_url,
+            method: 'DELETE',
+            success_message: "{% trans 'Clear auth' %}" + " {% trans 'success' %}"
+        });
+    });
 })
 </script>
 {% endblock %}
diff --git a/apps/assets/templates/assets/system_user_list.html b/apps/assets/templates/assets/system_user_list.html
index 3daa47a81..3fa887df6 100644
--- a/apps/assets/templates/assets/system_user_list.html
+++ b/apps/assets/templates/assets/system_user_list.html
@@ -26,6 +26,7 @@
         <th class="text-center">{% trans 'Name' %}</th>
         <th class="text-center">{% trans 'Username' %}</th>
         <th class="text-center">{% trans 'Protocol' %}</th>
+        <th class="text-center">{% trans 'Login mode' %}</th>
         <th class="text-center">{% trans 'Asset' %}</th>
         <th class="text-center">{% trans 'Reachable' %}</th>
         <th class="text-center">{% trans 'Unreachable' %}</th>
@@ -48,7 +49,7 @@ function initTable() {
                 var detail_btn = '<a href="{% url "assets:system-user-detail" pk=DEFAULT_PK %}">' + cellData + '</a>';
                 $(td).html(detail_btn.replace('{{ DEFAULT_PK }}', rowData.id));
             }},
-            {targets: 5, createdCell: function (td, cellData) {
+            {targets: 6, createdCell: function (td, cellData) {
                 var innerHtml = "";
                 if (cellData !== 0) {
                     innerHtml = "<span class='text-navy'>" + cellData + "</span>";
@@ -57,7 +58,7 @@ function initTable() {
                 }
                 $(td).html('<span href="javascript:void(0);" data-toggle="tooltip" title="' + cellData +'">' + innerHtml + '</span>');
             }},
-            {targets: 6, createdCell: function (td, cellData) {
+            {targets: 7, createdCell: function (td, cellData) {
                 var innerHtml = "";
                 if (cellData !== 0) {
                     innerHtml = "<span class='text-danger'>" + cellData + "</span>";
@@ -66,7 +67,7 @@ function initTable() {
                 }
                 $(td).html('<span href="javascript:void(0);" data-toggle="tooltip" title="' + cellData + '">' + innerHtml + '</span>');
             }},
-            {targets: 7, createdCell: function (td, cellData, rowData) {
+            {targets: 8, createdCell: function (td, cellData, rowData) {
                 var val = 0;
                 var innerHtml = "";
                 var total = rowData.assets_amount;
@@ -84,14 +85,14 @@ function initTable() {
                 $(td).html('<span href="javascript:void(0);" data-toggle="tooltip" title="' + cellData + '">' + innerHtml + '</span>');
 
             }},
-            {targets: 9, createdCell: function (td, cellData, rowData) {
+            {targets: 10, createdCell: function (td, cellData, rowData) {
                 var update_btn = '<a href="{% url "assets:system-user-update" pk=DEFAULT_PK %}" class="btn btn-xs m-l-xs btn-info">{% trans "Update" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 var del_btn = '<a class="btn btn-xs btn-danger m-l-xs btn_admin_user_delete" data-uid="{{ DEFAULT_PK }}">{% trans "Delete" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 $(td).html(update_btn + del_btn)
             }}],
         ajax_url: '{% url "api-assets:system-user-list" %}',
         columns: [
-            {data: "id" }, {data: "name" }, {data: "username" }, {data: "protocol"}, {data: "assets_amount" },
+            {data: "id" }, {data: "name" }, {data: "username" }, {data: "protocol"}, {data: "get_login_mode_display"}, {data: "assets_amount" },
             {data: "reachable_amount"}, {data: "unreachable_amount"}, {data: "id"}, {data: "comment" }, {data: "id" }
         ],
         op_html: $('#actions').html()
diff --git a/apps/assets/templates/assets/system_user_update.html b/apps/assets/templates/assets/system_user_update.html
index 46ef8d6a3..977c3ac31 100644
--- a/apps/assets/templates/assets/system_user_update.html
+++ b/apps/assets/templates/assets/system_user_update.html
@@ -4,7 +4,6 @@
 {% load bootstrap3 %}
 
 {% block auth %}
-    <h3>{% trans 'Auth' %}</h3>
     {% bootstrap_field form.password layout="horizontal" %}
     {% bootstrap_field form.private_key_file layout="horizontal" %}
     <div class="form-group">
@@ -15,10 +14,3 @@
     </div>
 {% endblock %}
 
-{% block custom_foot_js %}
-	<script>
-    $(document).ready(function () {
-        $('.select2').select2();
-    })
-	</script>
-{% endblock %}
\ No newline at end of file
diff --git a/apps/assets/urls/api_urls.py b/apps/assets/urls/api_urls.py
index 4429d0f24..cf55d08ba 100644
--- a/apps/assets/urls/api_urls.py
+++ b/apps/assets/urls/api_urls.py
@@ -23,8 +23,8 @@ urlpatterns = [
         api.AssetRefreshHardwareApi.as_view(), name='asset-refresh'),
     url(r'^v1/assets/(?P<pk>[0-9a-zA-Z\-]{36})/alive/$',
         api.AssetAdminUserTestApi.as_view(), name='asset-alive-test'),
-    url(r'^v1/assets/user-assets/$',
-        api.UserAssetListView.as_view(), name='user-asset-list'),
+    url(r'^v1/assets/(?P<pk>[0-9a-zA-Z\-]{36})/gateway/$',
+        api.AssetGatewayApi.as_view(), name='asset-gateway'),
     url(r'^v1/admin-user/(?P<pk>[0-9a-zA-Z\-]{36})/nodes/$',
         api.ReplaceNodesAdminUserApi.as_view(), name='replace-nodes-admin-user'),
     url(r'^v1/admin-user/(?P<pk>[0-9a-zA-Z\-]{36})/auth/$',
@@ -35,17 +35,26 @@ urlpatterns = [
         api.SystemUserPushApi.as_view(), name='system-user-push'),
     url(r'^v1/system-user/(?P<pk>[0-9a-zA-Z\-]{36})/connective/$',
         api.SystemUserTestConnectiveApi.as_view(), name='system-user-connective'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/children/$', api.NodeChildrenApi.as_view(), name='node-children'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/children/$',
+        api.NodeChildrenApi.as_view(), name='node-children'),
     url(r'^v1/nodes/children/$', api.NodeChildrenApi.as_view(), name='node-children-2'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/children/add/$', api.NodeAddChildrenApi.as_view(), name='node-add-children'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/$', api.NodeAssetsApi.as_view(), name='node-assets'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/add/$', api.NodeAddAssetsApi.as_view(), name='node-add-assets'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/replace/$', api.NodeReplaceAssetsApi.as_view(), name='node-replace-assets'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/remove/$', api.NodeRemoveAssetsApi.as_view(), name='node-remove-assets'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/refresh-hardware-info/$', api.RefreshNodeHardwareInfoApi.as_view(), name='node-refresh-hardware-info'),
-    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/test-connective/$', api.TestNodeConnectiveApi.as_view(), name='node-test-connective'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/children/add/$',
+        api.NodeAddChildrenApi.as_view(), name='node-add-children'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/$',
+        api.NodeAssetsApi.as_view(), name='node-assets'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/add/$',
+        api.NodeAddAssetsApi.as_view(), name='node-add-assets'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/replace/$',
+        api.NodeReplaceAssetsApi.as_view(), name='node-replace-assets'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/assets/remove/$',
+        api.NodeRemoveAssetsApi.as_view(), name='node-remove-assets'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/refresh-hardware-info/$',
+        api.RefreshNodeHardwareInfoApi.as_view(), name='node-refresh-hardware-info'),
+    url(r'^v1/nodes/(?P<pk>[0-9a-zA-Z\-]{36})/test-connective/$',
+        api.TestNodeConnectiveApi.as_view(), name='node-test-connective'),
 
-    url(r'^v1/gateway/(?P<pk>[0-9a-zA-Z\-]{36})/test-connective/$', api.GatewayTestConnectionApi.as_view(), name='test-gateway-connective'),
+    url(r'^v1/gateway/(?P<pk>[0-9a-zA-Z\-]{36})/test-connective/$',
+        api.GatewayTestConnectionApi.as_view(), name='test-gateway-connective'),
 ]
 
 urlpatterns += router.urls
diff --git a/apps/assets/utils.py b/apps/assets/utils.py
index 5fb5eae84..f841e4a79 100644
--- a/apps/assets/utils.py
+++ b/apps/assets/utils.py
@@ -1,7 +1,8 @@
 # ~*~ coding: utf-8 ~*~
 #
-
+import os
 import paramiko
+from paramiko.ssh_exception import SSHException
 
 from common.utils import get_object_or_none
 from .models import Asset, SystemUser, Label
@@ -49,22 +50,23 @@ def test_gateway_connectability(gateway):
     """
     client = paramiko.SSHClient()
     client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
-
-    proxy_command = [
-        "ssh", "{}@{}".format(gateway.username, gateway.ip),
-        "-p", str(gateway.port), "-W", "127.0.0.1:{}".format(gateway.port),
-    ]
-
-    if gateway.password:
-        proxy_command.insert(0, "sshpass -p '{}'".format(gateway.password))
-    if gateway.private_key:
-        proxy_command.append("-i {}".format(gateway.private_key_file))
+    proxy = paramiko.SSHClient()
+    proxy.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 
     try:
-        sock = paramiko.ProxyCommand(" ".join(proxy_command))
-    except paramiko.ProxyCommandFailure as e:
+        proxy.connect(gateway.ip, gateway.port,
+                      username=gateway.username,
+                      password=gateway.password,
+                      pkey=gateway.private_key_obj)
+    except(paramiko.AuthenticationException,
+           paramiko.BadAuthenticationType,
+           SSHException) as e:
         return False, str(e)
 
+    sock = proxy.get_transport().open_channel(
+        'direct-tcpip', ('127.0.0.1', gateway.port), ('127.0.0.1', 0)
+    )
+
     try:
         client.connect("127.0.0.1", port=gateway.port,
                        username=gateway.username,
diff --git a/apps/assets/views/domain.py b/apps/assets/views/domain.py
index e6a353373..be6528219 100644
--- a/apps/assets/views/domain.py
+++ b/apps/assets/views/domain.py
@@ -140,11 +140,6 @@ class DomainGatewayUpdateView(AdminUserRequiredMixin, UpdateView):
         domain = self.object.domain
         return reverse('assets:domain-gateway-list', kwargs={"pk": domain.id})
 
-    def form_valid(self, form):
-        response = super().form_valid(form)
-        print(form.cleaned_data)
-        return response
-
     def get_context_data(self, **kwargs):
         context = {
             'app': _('Assets'),
diff --git a/apps/common/api.py b/apps/common/api.py
index 4b74b6b0d..63ed9723d 100644
--- a/apps/common/api.py
+++ b/apps/common/api.py
@@ -21,23 +21,13 @@ class MailTestingAPI(APIView):
         serializer = self.serializer_class(data=request.data)
         if serializer.is_valid():
             email_host_user = serializer.validated_data["EMAIL_HOST_USER"]
-            kwargs = {
-                "host": serializer.validated_data["EMAIL_HOST"],
-                "port": serializer.validated_data["EMAIL_PORT"],
-                "username": serializer.validated_data["EMAIL_HOST_USER"],
-                "password": serializer.validated_data["EMAIL_HOST_PASSWORD"],
-                "use_ssl": serializer.validated_data["EMAIL_USE_SSL"],
-                "use_tls": serializer.validated_data["EMAIL_USE_TLS"]
-            }
-            connection = get_connection(timeout=5, **kwargs)
+            for k, v in serializer.validated_data.items():
+                if k.startswith('EMAIL'):
+                    setattr(settings, k, v)
             try:
-                connection.open()
-            except Exception as e:
-                return Response({"error": str(e)}, status=401)
-
-            try:
-                send_mail("Test", "Test smtp setting", email_host_user,
-                          [email_host_user], connection=connection)
+                subject = "Test"
+                message = "Test smtp setting"
+                send_mail(subject, message,  email_host_user, [email_host_user])
             except Exception as e:
                 return Response({"error": str(e)}, status=401)
 
@@ -96,14 +86,7 @@ class LDAPTestingAPI(APIView):
 
 class DjangoSettingsAPI(APIView):
     def get(self, request):
-        if not settings.DEBUG:
-            return Response('Only debug mode support')
-
-        configs = {}
-        for i in dir(settings):
-            if i.isupper():
-                configs[i] = str(getattr(settings, i))
-        return Response(configs)
+        return Response('Danger, Close now')
 
 
 
diff --git a/apps/common/forms.py b/apps/common/forms.py
index 02af6e47a..a11420498 100644
--- a/apps/common/forms.py
+++ b/apps/common/forms.py
@@ -168,3 +168,63 @@ class TerminalSettingForm(BaseForm):
         )
     )
 
+
+class SecuritySettingForm(BaseForm):
+    # MFA global setting
+    SECURITY_MFA_AUTH = forms.BooleanField(
+        initial=False, required=False,
+        label=_("MFA Secondary certification"),
+        help_text=_(
+            'After opening, the user login must use MFA secondary '
+            'authentication (valid for all users, including administrators)'
+        )
+    )
+    # limit login count
+    SECURITY_LOGIN_LIMIT_COUNT = forms.IntegerField(
+        initial=3, min_value=3,
+        label=_("Limit the number of login failures")
+    )
+    # limit login time
+    SECURITY_LOGIN_LIMIT_TIME = forms.IntegerField(
+        initial=30, min_value=5,
+        label=_("No logon interval"),
+        help_text=_(
+            "Tip :(unit/minute) if the user has failed to log in for a limited "
+            "number of times, no login is allowed during this time interval."
+        )
+    )
+    # min length
+    SECURITY_PASSWORD_MIN_LENGTH = forms.IntegerField(
+        initial=6, label=_("Password minimum length"),
+        min_value=6
+    )
+    # upper case
+    SECURITY_PASSWORD_UPPER_CASE = forms.BooleanField(
+
+        initial=False, required=False,
+        label=_("Must contain capital letters"),
+        help_text=_(
+            'After opening, the user password changes '
+            'and resets must contain uppercase letters')
+    )
+    # lower case
+    SECURITY_PASSWORD_LOWER_CASE = forms.BooleanField(
+        initial=False, required=False,
+        label=_("Must contain lowercase letters"),
+        help_text=_('After opening, the user password changes '
+                    'and resets must contain lowercase letters')
+    )
+    # number
+    SECURITY_PASSWORD_NUMBER = forms.BooleanField(
+        initial=False, required=False,
+        label=_("Must contain numeric characters"),
+        help_text=_('After opening, the user password changes '
+                    'and resets must contain numeric characters')
+    )
+    # special char
+    SECURITY_PASSWORD_SPECIAL_CHAR= forms.BooleanField(
+        initial=False, required=False,
+        label=_("Must contain special characters"),
+        help_text=_('After opening, the user password changes '
+                    'and resets must contain special characters')
+    )
diff --git a/apps/common/signals_handler.py b/apps/common/signals_handler.py
index df2ea5a5e..bff3a2193 100644
--- a/apps/common/signals_handler.py
+++ b/apps/common/signals_handler.py
@@ -34,7 +34,7 @@ def refresh_all_settings_on_django_ready(sender, **kwargs):
 def ldap_auth_on_changed(sender, enabled=True, **kwargs):
     if enabled:
         logger.debug("Enable LDAP auth")
-        if settings.AUTH_LDAP_BACKEND not in settings.AUTH_LDAP_BACKEND:
+        if settings.AUTH_LDAP_BACKEND not in settings.AUTHENTICATION_BACKENDS:
             settings.AUTHENTICATION_BACKENDS.insert(0, settings.AUTH_LDAP_BACKEND)
 
     else:
diff --git a/apps/common/tasks.py b/apps/common/tasks.py
index dec738921..bfb005511 100644
--- a/apps/common/tasks.py
+++ b/apps/common/tasks.py
@@ -2,6 +2,7 @@ from django.core.mail import send_mail
 from django.conf import settings
 from celery import shared_task
 from .utils import get_logger
+from .models import Setting
 
 
 logger = get_logger(__file__)
@@ -21,6 +22,10 @@ def send_mail_async(*args, **kwargs):
     Example:
     send_mail_sync.delay(subject, message, recipient_list, fail_silently=False, html_message=None)
     """
+    configs = Setting.objects.filter(name__startswith='EMAIL')
+    for config in configs:
+        setattr(settings, config.name, config.cleaned_value)
+
     if len(args) == 3:
         args = list(args)
         args[0] = settings.EMAIL_SUBJECT_PREFIX + args[0]
diff --git a/apps/common/templates/common/basic_setting.html b/apps/common/templates/common/basic_setting.html
index 496eca977..9c9258e33 100644
--- a/apps/common/templates/common/basic_setting.html
+++ b/apps/common/templates/common/basic_setting.html
@@ -23,6 +23,9 @@
                             <li>
                                 <a href="{% url 'settings:terminal-setting' %}" class="text-center"><i class="fa fa-hdd-o"></i> {% trans 'Terminal setting' %} </a>
                             </li>
+                            <li>
+                                <a href="{% url 'settings:security-setting' %}" class="text-center"><i class="fa fa-lock"></i> {% trans 'Security setting' %} </a>
+                            </li>
                         </ul>
                     </div>
                     <div class="tab-content">
diff --git a/apps/common/templates/common/email_setting.html b/apps/common/templates/common/email_setting.html
index 1fd772db1..2f0951e00 100644
--- a/apps/common/templates/common/email_setting.html
+++ b/apps/common/templates/common/email_setting.html
@@ -23,6 +23,9 @@
                             <li>
                                 <a href="{% url 'settings:terminal-setting' %}" class="text-center"><i class="fa fa-hdd-o"></i> {% trans 'Terminal setting' %} </a>
                             </li>
+                            <li>
+                                <a href="{% url 'settings:security-setting' %}" class="text-center"><i class="fa fa-lock"></i> {% trans 'Security setting' %} </a>
+                            </li>
                         </ul>
                     </div>
                     <div class="tab-content">
diff --git a/apps/common/templates/common/ldap_setting.html b/apps/common/templates/common/ldap_setting.html
index f0569f873..e55da5a8f 100644
--- a/apps/common/templates/common/ldap_setting.html
+++ b/apps/common/templates/common/ldap_setting.html
@@ -23,6 +23,9 @@
                             <li>
                                 <a href="{% url 'settings:terminal-setting' %}" class="text-center"><i class="fa fa-hdd-o"></i> {% trans 'Terminal setting' %} </a>
                             </li>
+                            <li>
+                                <a href="{% url 'settings:security-setting' %}" class="text-center"><i class="fa fa-lock"></i> {% trans 'Security setting' %} </a>
+                            </li>
                         </ul>
                     </div>
                     <div class="tab-content">
diff --git a/apps/common/templates/common/security_setting.html b/apps/common/templates/common/security_setting.html
new file mode 100644
index 000000000..08d978d23
--- /dev/null
+++ b/apps/common/templates/common/security_setting.html
@@ -0,0 +1,87 @@
+{% extends 'base.html' %}
+{% load static %}
+{% load bootstrap3 %}
+{% load i18n %}
+{% load common_tags %}
+
+{% block content %}
+    <div class="wrapper wrapper-content animated fadeInRight">
+        <div class="row">
+            <div class="col-sm-12">
+                <div class="ibox float-e-margins">
+                    <div class="panel-options">
+                        <ul class="nav nav-tabs">
+                            <li>
+                                <a href="{% url 'settings:basic-setting' %}" class="text-center"><i class="fa fa-cubes"></i> {% trans 'Basic setting' %}</a>
+                            </li>
+                            <li>
+                                <a href="{% url 'settings:email-setting' %}"  class="text-center"><i class="fa fa-envelope"></i> {% trans 'Email setting' %} </a>
+                            </li>
+                            <li>
+                                <a href="{% url 'settings:ldap-setting' %}" class="text-center"><i class="fa fa-archive"></i> {% trans 'LDAP setting' %} </a>
+                            </li>
+                            <li>
+                                <a href="{% url 'settings:terminal-setting' %}" class="text-center"><i class="fa fa-hdd-o"></i> {% trans 'Terminal setting' %} </a>
+                            </li>
+                            <li class="active">
+                                <a href="{% url 'settings:security-setting' %}" class="text-center"><i class="fa fa-lock"></i> {% trans 'Security setting' %} </a>
+                            </li>
+                        </ul>
+                    </div>
+                    <div class="tab-content">
+                        <div class="col-sm-12" style="padding-left:0">
+                                <div class="ibox-content" style="border-width: 0;padding-top: 40px;">
+                                    <form action="" method="post" class="form-horizontal">
+                                    {% if form.non_field_errors %}
+                                         <div class="alert alert-danger">
+                                             {{ form.non_field_errors }}
+                                         </div>
+                                    {% endif %}
+                                    {% csrf_token %}
+
+                                    <h3>{% trans "User login settings" %}</h3>
+                                    {% for field in form %}
+                                        {% if forloop.counter == 4 %}
+                                            <div class="hr-line-dashed"></div>
+                                            <h3>{% trans "Password check rule" %}</h3>
+                                        {% endif %}
+
+                                        {% if not field.field|is_bool_field %}
+                                            {% bootstrap_field field layout="horizontal" %}
+                                        {% else %}
+                                            <div class="form-group">
+                                                <label for="{{ field.id_for_label }}" class="col-sm-2 control-label">{{ field.label }}</label>
+                                                <div class="col-sm-8">
+                                                    <div class="col-sm-1">
+                                                        {{ field }}
+                                                    </div>
+                                                    <div class="col-sm-9">
+                                                        <span class="help-block" >{{ field.help_text }}</span>
+                                                    </div>
+                                                </div>
+                                            </div>
+                                        {% endif %}
+                                    {% endfor %}
+
+                                    <div class="hr-line-dashed"></div>
+
+                                    <div class="form-group">
+                                        <div class="col-sm-4 col-sm-offset-2">
+                                            <button class="btn btn-default" type="reset"> {% trans 'Reset' %}</button>
+                                            <button id="submit_button" class="btn btn-primary" type="submit">{% trans 'Submit' %}</button>
+                                        </div>
+                                    </div>
+                                    </form>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+{% endblock %}
+{% block custom_foot_js %}
+<script>
+</script>
+{% endblock %}
diff --git a/apps/common/templates/common/terminal_setting.html b/apps/common/templates/common/terminal_setting.html
index 16927c05a..320f628b0 100644
--- a/apps/common/templates/common/terminal_setting.html
+++ b/apps/common/templates/common/terminal_setting.html
@@ -27,6 +27,9 @@
                                 <a href="{% url 'settings:terminal-setting' %}" class="text-center"><i
                                         class="fa fa-hdd-o"></i> {% trans 'Terminal setting' %} </a>
                             </li>
+                            <li>
+                                <a href="{% url 'settings:security-setting' %}" class="text-center"><i class="fa fa-lock"></i> {% trans 'Security setting' %} </a>
+                            </li>
                         </ul>
                     </div>
                     <div class="tab-content">
@@ -39,6 +42,7 @@
                                         </div>
                                     {% endif %}
                                     {% csrf_token %}
+
                                     <h3>{% trans "Basic setting" %}</h3>
                                     {% for field in form %}
                                         {% if not field.field|is_bool_field %}
@@ -60,6 +64,7 @@
                                     {% endfor %}
 
                                     <div class="hr-line-dashed"></div>
+
                                     <h3>{% trans "Command storage" %}</h3>
                                     <table class="table table-hover " id="task-history-list-table">
                                         <thead>
diff --git a/apps/common/urls/view_urls.py b/apps/common/urls/view_urls.py
index 466f7c49c..e7ccddd06 100644
--- a/apps/common/urls/view_urls.py
+++ b/apps/common/urls/view_urls.py
@@ -11,4 +11,5 @@ urlpatterns = [
     url(r'^email/$', views.EmailSettingView.as_view(), name='email-setting'),
     url(r'^ldap/$', views.LDAPSettingView.as_view(), name='ldap-setting'),
     url(r'^terminal/$', views.TerminalSettingView.as_view(), name='terminal-setting'),
+    url(r'^security/$', views.SecuritySettingView.as_view(), name='security-setting'),
 ]
diff --git a/apps/common/utils.py b/apps/common/utils.py
index d73c094ec..deaeb5280 100644
--- a/apps/common/utils.py
+++ b/apps/common/utils.py
@@ -16,6 +16,7 @@ import calendar
 import threading
 from io import StringIO
 import uuid
+from functools import wraps
 
 import paramiko
 import sshpubkeys
@@ -395,3 +396,17 @@ class TeeObj:
     def close(self):
         self.file_obj.close()
 
+
+def with_cache(func):
+    cache = {}
+    key = "_{}.{}".format(func.__module__, func.__name__)
+
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        cached = cache.get(key)
+        if cached:
+            return cached
+        res = func(*args, **kwargs)
+        cache[key] = res
+        return res
+    return wrapper
diff --git a/apps/common/validators.py b/apps/common/validators.py
new file mode 100644
index 000000000..b273bd1de
--- /dev/null
+++ b/apps/common/validators.py
@@ -0,0 +1,7 @@
+# -*- coding: utf-8 -*-
+#
+from django.core.validators import RegexValidator
+from django.utils.translation import ugettext_lazy as _
+
+
+alphanumeric = RegexValidator(r'^[0-9a-zA-Z_@\-\.]*$', _('Special char not allowed'))
\ No newline at end of file
diff --git a/apps/common/views.py b/apps/common/views.py
index ee7a2225f..6a7d37f49 100644
--- a/apps/common/views.py
+++ b/apps/common/views.py
@@ -7,7 +7,7 @@ from django.utils.translation import ugettext as _
 from django.conf import settings
 
 from .forms import EmailSettingForm, LDAPSettingForm, BasicSettingForm, \
-    TerminalSettingForm
+    TerminalSettingForm, SecuritySettingForm
 from .mixins import AdminUserRequiredMixin
 from .signals import ldap_auth_enable
 
@@ -82,7 +82,7 @@ class LDAPSettingView(AdminUserRequiredMixin, TemplateView):
         if form.is_valid():
             form.save()
             if "AUTH_LDAP" in form.cleaned_data:
-                ldap_auth_enable.send(form.cleaned_data["AUTH_LDAP"])
+                ldap_auth_enable.send(sender=self.__class__, enabled=form.cleaned_data["AUTH_LDAP"])
             msg = _("Update setting successfully, please restart program")
             messages.success(request, msg)
             return redirect('settings:ldap-setting')
@@ -122,3 +122,27 @@ class TerminalSettingView(AdminUserRequiredMixin, TemplateView):
             return render(request, self.template_name, context)
 
 
+class SecuritySettingView(AdminUserRequiredMixin, TemplateView):
+    form_class = SecuritySettingForm
+    template_name = "common/security_setting.html"
+
+    def get_context_data(self, **kwargs):
+        context = {
+            'app': _('Settings'),
+            'action': _('Security setting'),
+            'form': self.form_class(),
+        }
+        kwargs.update(context)
+        return super().get_context_data(**kwargs)
+
+    def post(self, request):
+        form = self.form_class(request.POST)
+        if form.is_valid():
+            form.save()
+            msg = _("Update setting successfully, please restart program")
+            messages.success(request, msg)
+            return redirect('settings:security-setting')
+        else:
+            context = self.get_context_data()
+            context.update({"form": form})
+            return render(request, self.template_name, context)
diff --git a/apps/i18n/zh/LC_MESSAGES/django.mo b/apps/i18n/zh/LC_MESSAGES/django.mo
index ebfffbfe7..78d56177e 100644
Binary files a/apps/i18n/zh/LC_MESSAGES/django.mo and b/apps/i18n/zh/LC_MESSAGES/django.mo differ
diff --git a/apps/i18n/zh/LC_MESSAGES/django.po b/apps/i18n/zh/LC_MESSAGES/django.po
index 627e44ed6..0cf576ebe 100644
--- a/apps/i18n/zh/LC_MESSAGES/django.po
+++ b/apps/i18n/zh/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Jumpserver 0.3.3\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-04-23 19:51+0800\n"
+"POT-Creation-Date: 2018-07-06 13:11+0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: ibuler <ibuler@qq.com>\n"
 "Language-Team: Jumpserver team<ibuler@qq.com>\n"
@@ -17,51 +17,51 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: assets/api/node.py:88
+#: assets/api/node.py:99
 msgid "New node {}"
 msgstr "新节点 {}"
 
-#: assets/api/node.py:216
+#: assets/api/node.py:234
 msgid "更新节点资产硬件信息: {}"
 msgstr ""
 
-#: assets/api/node.py:229
+#: assets/api/node.py:247
 msgid "测试节点下资产是否可连接: {}"
 msgstr ""
 
-#: assets/forms/asset.py:24 assets/models/asset.py:54 assets/models/user.py:103
+#: assets/forms/asset.py:24 assets/models/asset.py:89 assets/models/user.py:112
 #: assets/templates/assets/asset_detail.html:183
 #: assets/templates/assets/asset_detail.html:191
-#: assets/templates/assets/system_user_detail.html:166 perms/models.py:23
+#: assets/templates/assets/system_user_detail.html:179 perms/models.py:33
 msgid "Nodes"
 msgstr "节点管理"
 
 #: assets/forms/asset.py:27 assets/forms/asset.py:66 assets/forms/asset.py:109
-#: assets/forms/asset.py:113 assets/models/asset.py:58
+#: assets/forms/asset.py:113 assets/models/asset.py:94
 #: assets/models/cluster.py:19 assets/models/user.py:72
 #: assets/templates/assets/asset_detail.html:73 templates/_nav.html:25
 msgid "Admin user"
 msgstr "管理用户"
 
 #: assets/forms/asset.py:30 assets/forms/asset.py:69 assets/forms/asset.py:125
-#: assets/templates/assets/asset_create.html:35
-#: assets/templates/assets/asset_create.html:37
+#: assets/templates/assets/asset_create.html:36
+#: assets/templates/assets/asset_create.html:38
 #: assets/templates/assets/asset_list.html:75
-#: assets/templates/assets/asset_update.html:40
-#: assets/templates/assets/asset_update.html:42
+#: assets/templates/assets/asset_update.html:41
+#: assets/templates/assets/asset_update.html:43
 #: assets/templates/assets/user_asset_list.html:34
 msgid "Label"
 msgstr "标签"
 
-#: assets/forms/asset.py:34 assets/forms/asset.py:73 assets/models/asset.py:53
+#: assets/forms/asset.py:34 assets/forms/asset.py:73 assets/models/asset.py:85
 #: assets/models/domain.py:46
 msgid "Domain"
 msgstr "网域"
 
 #: assets/forms/asset.py:38 assets/forms/asset.py:63 assets/forms/asset.py:77
-#: assets/forms/asset.py:128 assets/templates/assets/asset_create.html:29
-#: assets/templates/assets/asset_update.html:34 perms/forms.py:40
-#: perms/forms.py:47 perms/models.py:67
+#: assets/forms/asset.py:128 assets/templates/assets/asset_create.html:30
+#: assets/templates/assets/asset_update.html:35 perms/forms.py:40
+#: perms/forms.py:47 perms/models.py:76
 #: perms/templates/perms/asset_permission_list.html:57
 #: perms/templates/perms/asset_permission_list.html:142
 msgid "Node"
@@ -90,7 +90,7 @@ msgstr "如果有多个的互相隔离的网络，设置资产属于的网域，
 msgid "Select assets"
 msgstr "选择资产"
 
-#: assets/forms/asset.py:105 assets/models/asset.py:51
+#: assets/forms/asset.py:105 assets/models/asset.py:81
 #: assets/models/domain.py:44 assets/templates/assets/admin_user_assets.html:53
 #: assets/templates/assets/asset_detail.html:69
 #: assets/templates/assets/domain_gateway_list.html:58
@@ -99,18 +99,18 @@ msgid "Port"
 msgstr "端口"
 
 #: assets/forms/domain.py:14 assets/forms/label.py:13
-#: assets/models/asset.py:169 assets/templates/assets/admin_user_list.html:25
+#: assets/models/asset.py:237 assets/templates/assets/admin_user_list.html:25
 #: assets/templates/assets/domain_detail.html:60
 #: assets/templates/assets/domain_list.html:15
 #: assets/templates/assets/label_list.html:16
-#: assets/templates/assets/system_user_list.html:29 audits/models.py:11
+#: assets/templates/assets/system_user_list.html:30 audits/models.py:11
 #: audits/templates/audits/ftp_log_list.html:41
 #: audits/templates/audits/ftp_log_list.html:72 perms/forms.py:37
-#: perms/models.py:22
+#: perms/models.py:32
 #: perms/templates/perms/asset_permission_create_update.html:40
 #: perms/templates/perms/asset_permission_list.html:56
 #: perms/templates/perms/asset_permission_list.html:139
-#: terminal/backends/command/models.py:11 terminal/models.py:123
+#: terminal/backends/command/models.py:11 terminal/models.py:127
 #: terminal/templates/terminal/command_list.html:40
 #: terminal/templates/terminal/command_list.html:73
 #: terminal/templates/terminal/session_list.html:41
@@ -118,8 +118,8 @@ msgstr "端口"
 msgid "Asset"
 msgstr "资产"
 
-#: assets/forms/domain.py:54 assets/forms/user.py:79 assets/forms/user.py:120
-#: assets/models/base.py:20 assets/models/cluster.py:18
+#: assets/forms/domain.py:54 assets/forms/user.py:79 assets/forms/user.py:139
+#: assets/models/base.py:21 assets/models/cluster.py:18
 #: assets/models/domain.py:17 assets/models/group.py:20
 #: assets/models/label.py:17 assets/templates/assets/admin_user_detail.html:56
 #: assets/templates/assets/admin_user_list.html:23
@@ -129,15 +129,15 @@ msgstr "资产"
 #: assets/templates/assets/label_list.html:14
 #: assets/templates/assets/system_user_detail.html:58
 #: assets/templates/assets/system_user_list.html:26 common/models.py:26
-#: common/templates/common/terminal_setting.html:67
-#: common/templates/common/terminal_setting.html:85 ops/models/adhoc.py:36
+#: common/templates/common/terminal_setting.html:72
+#: common/templates/common/terminal_setting.html:90 ops/models/adhoc.py:36
 #: ops/templates/ops/task_detail.html:59 ops/templates/ops/task_list.html:35
-#: perms/models.py:19 perms/templates/perms/asset_permission_detail.html:62
+#: perms/models.py:29 perms/templates/perms/asset_permission_detail.html:62
 #: perms/templates/perms/asset_permission_list.html:53
 #: perms/templates/perms/asset_permission_user.html:54 terminal/models.py:16
-#: terminal/models.py:149 terminal/templates/terminal/terminal_detail.html:43
-#: terminal/templates/terminal/terminal_list.html:29 users/models/group.py:14
-#: users/models/user.py:42 users/templates/users/_select_user_modal.html:13
+#: terminal/models.py:154 terminal/templates/terminal/terminal_detail.html:43
+#: terminal/templates/terminal/terminal_list.html:29 users/models/group.py:12
+#: users/models/user.py:49 users/templates/users/_select_user_modal.html:13
 #: users/templates/users/user_detail.html:63
 #: users/templates/users/user_group_detail.html:55
 #: users/templates/users/user_group_list.html:12
@@ -147,16 +147,16 @@ msgstr "资产"
 msgid "Name"
 msgstr "名称"
 
-#: assets/forms/domain.py:55 assets/forms/user.py:80 assets/forms/user.py:121
-#: assets/models/base.py:21 assets/templates/assets/admin_user_detail.html:60
+#: assets/forms/domain.py:55 assets/forms/user.py:80 assets/forms/user.py:140
+#: assets/models/base.py:22 assets/templates/assets/admin_user_detail.html:60
 #: assets/templates/assets/admin_user_list.html:24
 #: assets/templates/assets/domain_gateway_list.html:60
 #: assets/templates/assets/system_user_detail.html:62
 #: assets/templates/assets/system_user_list.html:27
 #: perms/templates/perms/asset_permission_user.html:55 users/forms.py:13
-#: users/forms.py:22 users/models/authentication.py:45 users/models/user.py:40
+#: users/forms.py:31 users/models/authentication.py:70 users/models/user.py:47
 #: users/templates/users/_select_user_modal.html:14
-#: users/templates/users/login.html:56
+#: users/templates/users/login.html:60
 #: users/templates/users/login_log_list.html:49
 #: users/templates/users/user_detail.html:67
 #: users/templates/users/user_list.html:24
@@ -168,19 +168,19 @@ msgstr "用户名"
 msgid "Password or private key passphrase"
 msgstr "密码或密钥密码"
 
-#: assets/forms/user.py:25 assets/models/base.py:22 common/forms.py:113
-#: users/forms.py:15 users/forms.py:24 users/forms.py:36
-#: users/templates/users/login.html:59
-#: users/templates/users/reset_password.html:52
+#: assets/forms/user.py:25 assets/models/base.py:23 common/forms.py:113
+#: users/forms.py:15 users/forms.py:33 users/forms.py:45
+#: users/templates/users/login.html:63
+#: users/templates/users/reset_password.html:53
 #: users/templates/users/user_create.html:10
 #: users/templates/users/user_password_authentication.html:14
-#: users/templates/users/user_password_update.html:40
+#: users/templates/users/user_password_update.html:42
 #: users/templates/users/user_profile_update.html:40
 #: users/templates/users/user_pubkey_update.html:40
 msgid "Password"
 msgstr "密码"
 
-#: assets/forms/user.py:28 users/models/user.py:69
+#: assets/forms/user.py:28 users/models/user.py:76
 msgid "Private key"
 msgstr "ssh私钥"
 
@@ -192,17 +192,27 @@ msgstr "ssh密钥不合法"
 msgid "Password and private key file must be input one"
 msgstr "密码和私钥, 必须输入一个"
 
-#: assets/forms/user.py:126
+#: assets/forms/user.py:125
+msgid "* Automatic login mode, must fill in the username."
+msgstr "自动登录模式，必须填写用户名"
+
+#: assets/forms/user.py:145
 msgid "Auto push system user to asset"
 msgstr "自动推送系统用户到资产"
 
-#: assets/forms/user.py:127
+#: assets/forms/user.py:146
 msgid ""
 "High level will be using login asset as default, if user was granted more "
 "than 2 system user"
 msgstr "高优先级的系统用户将会作为默认登录用户"
 
-#: assets/models/asset.py:49 assets/models/domain.py:43
+#: assets/forms/user.py:148
+msgid ""
+"If you choose manual login mode, you do not need to fill in the username and "
+"password."
+msgstr "如果选择手动登录模式，用户名和密码则不需要填写"
+
+#: assets/models/asset.py:74 assets/models/domain.py:43
 #: assets/templates/assets/_asset_list_modal.html:46
 #: assets/templates/assets/admin_user_assets.html:52
 #: assets/templates/assets/asset_detail.html:61
@@ -217,7 +227,7 @@ msgstr "高优先级的系统用户将会作为默认登录用户"
 msgid "IP"
 msgstr "IP"
 
-#: assets/models/asset.py:50 assets/templates/assets/_asset_list_modal.html:45
+#: assets/models/asset.py:77 assets/templates/assets/_asset_list_modal.html:45
 #: assets/templates/assets/admin_user_assets.html:51
 #: assets/templates/assets/asset_detail.html:57
 #: assets/templates/assets/asset_list.html:86
@@ -229,107 +239,116 @@ msgstr "IP"
 msgid "Hostname"
 msgstr "主机名"
 
-#: assets/models/asset.py:52 assets/templates/assets/asset_detail.html:97
+#: assets/models/asset.py:80 assets/models/domain.py:45
+#: assets/models/user.py:115
+#: assets/templates/assets/domain_gateway_list.html:59
+#: assets/templates/assets/system_user_detail.html:70
+#: assets/templates/assets/system_user_list.html:28
+#: terminal/templates/terminal/session_list.html:75
+msgid "Protocol"
+msgstr "协议"
+
+#: assets/models/asset.py:83 assets/templates/assets/asset_detail.html:97
 msgid "Platform"
 msgstr "系统平台"
 
-#: assets/models/asset.py:55 assets/models/domain.py:48
+#: assets/models/asset.py:90 assets/models/domain.py:48
 #: assets/models/label.py:20 assets/templates/assets/asset_detail.html:105
 msgid "Is active"
 msgstr "激活"
 
-#: assets/models/asset.py:61 assets/templates/assets/asset_detail.html:65
+#: assets/models/asset.py:99 assets/templates/assets/asset_detail.html:65
 msgid "Public IP"
 msgstr "公网IP"
 
-#: assets/models/asset.py:62 assets/templates/assets/asset_detail.html:113
+#: assets/models/asset.py:101 assets/templates/assets/asset_detail.html:113
 msgid "Asset number"
 msgstr "资产编号"
 
-#: assets/models/asset.py:65 assets/templates/assets/asset_detail.html:77
+#: assets/models/asset.py:105 assets/templates/assets/asset_detail.html:77
 msgid "Vendor"
 msgstr "制造商"
 
-#: assets/models/asset.py:66 assets/templates/assets/asset_detail.html:81
+#: assets/models/asset.py:107 assets/templates/assets/asset_detail.html:81
 msgid "Model"
 msgstr "型号"
 
-#: assets/models/asset.py:67 assets/templates/assets/asset_detail.html:109
+#: assets/models/asset.py:109 assets/templates/assets/asset_detail.html:109
 msgid "Serial number"
 msgstr "序列号"
 
-#: assets/models/asset.py:69
+#: assets/models/asset.py:112
 msgid "CPU model"
 msgstr "CPU型号"
 
-#: assets/models/asset.py:70
+#: assets/models/asset.py:113
 msgid "CPU count"
 msgstr "CPU数量"
 
-#: assets/models/asset.py:71
+#: assets/models/asset.py:114
 msgid "CPU cores"
 msgstr "CPU核数"
 
-#: assets/models/asset.py:72 assets/templates/assets/asset_detail.html:89
+#: assets/models/asset.py:116 assets/templates/assets/asset_detail.html:89
 msgid "Memory"
 msgstr "内存"
 
-#: assets/models/asset.py:73
+#: assets/models/asset.py:118
 msgid "Disk total"
 msgstr "硬盘大小"
 
-#: assets/models/asset.py:74
+#: assets/models/asset.py:120
 msgid "Disk info"
 msgstr "硬盘信息"
 
-#: assets/models/asset.py:76 assets/templates/assets/asset_detail.html:101
+#: assets/models/asset.py:123 assets/templates/assets/asset_detail.html:101
 msgid "OS"
 msgstr "操作系统"
 
-#: assets/models/asset.py:77
+#: assets/models/asset.py:125
 msgid "OS version"
 msgstr "系统版本"
 
-#: assets/models/asset.py:78
+#: assets/models/asset.py:127
 msgid "OS arch"
 msgstr "系统架构"
 
-#: assets/models/asset.py:79
+#: assets/models/asset.py:129
 msgid "Hostname raw"
 msgstr "主机名原始"
 
-#: assets/models/asset.py:81 assets/templates/assets/asset_create.html:33
+#: assets/models/asset.py:133 assets/templates/assets/asset_create.html:34
 #: assets/templates/assets/asset_detail.html:220
-#: assets/templates/assets/asset_update.html:38 templates/_nav.html:27
+#: assets/templates/assets/asset_update.html:39 templates/_nav.html:27
 msgid "Labels"
 msgstr "标签管理"
 
-#: assets/models/asset.py:82 assets/models/base.py:28
+#: assets/models/asset.py:135 assets/models/base.py:29
 #: assets/models/cluster.py:28 assets/models/group.py:21
 #: assets/templates/assets/admin_user_detail.html:68
 #: assets/templates/assets/asset_detail.html:117
 #: assets/templates/assets/domain_detail.html:72
-#: assets/templates/assets/system_user_detail.html:96
-#: ops/templates/ops/adhoc_detail.html:86 perms/models.py:28 perms/models.py:72
+#: assets/templates/assets/system_user_detail.html:100
+#: ops/templates/ops/adhoc_detail.html:86 perms/models.py:38 perms/models.py:81
 #: perms/templates/perms/asset_permission_detail.html:98
-#: users/models/user.py:83 users/templates/users/user_detail.html:107
+#: users/models/user.py:90 users/templates/users/user_detail.html:111
 msgid "Created by"
 msgstr "创建者"
 
-#: assets/models/asset.py:83 assets/models/cluster.py:26
+#: assets/models/asset.py:138 assets/models/cluster.py:26
 #: assets/models/domain.py:20 assets/models/group.py:22
 #: assets/models/label.py:23 assets/templates/assets/admin_user_detail.html:64
 #: assets/templates/assets/domain_detail.html:68
-#: assets/templates/assets/system_user_detail.html:92
+#: assets/templates/assets/system_user_detail.html:96
 #: ops/templates/ops/adhoc_detail.html:90 ops/templates/ops/task_detail.html:63
-#: perms/models.py:29 perms/models.py:73
+#: perms/models.py:39 perms/models.py:82
 #: perms/templates/perms/asset_permission_detail.html:94
-#: terminal/templates/terminal/terminal_detail.html:59 users/models/group.py:17
+#: terminal/templates/terminal/terminal_detail.html:59 users/models/group.py:15
 #: users/templates/users/user_group_detail.html:63
 msgid "Date created"
 msgstr "创建日期"
 
-#: assets/models/asset.py:84 assets/models/base.py:25
+#: assets/models/asset.py:140 assets/models/base.py:26
 #: assets/models/cluster.py:29 assets/models/domain.py:18
 #: assets/models/domain.py:47 assets/models/group.py:23
 #: assets/models/label.py:21 assets/templates/assets/admin_user_detail.html:72
@@ -338,23 +357,23 @@ msgstr "创建日期"
 #: assets/templates/assets/domain_detail.html:76
 #: assets/templates/assets/domain_gateway_list.html:61
 #: assets/templates/assets/domain_list.html:17
-#: assets/templates/assets/system_user_detail.html:100
-#: assets/templates/assets/system_user_list.html:33 common/models.py:30
-#: ops/models/adhoc.py:42 perms/models.py:30 perms/models.py:74
+#: assets/templates/assets/system_user_detail.html:104
+#: assets/templates/assets/system_user_list.html:34 common/models.py:30
+#: ops/models/adhoc.py:42 perms/models.py:40 perms/models.py:83
 #: perms/templates/perms/asset_permission_detail.html:102 terminal/models.py:26
-#: terminal/templates/terminal/terminal_detail.html:63 users/models/group.py:15
-#: users/models/user.py:75 users/templates/users/user_detail.html:119
+#: terminal/templates/terminal/terminal_detail.html:63 users/models/group.py:13
+#: users/models/user.py:82 users/templates/users/user_detail.html:123
 #: users/templates/users/user_group_detail.html:67
 #: users/templates/users/user_group_list.html:14
-#: users/templates/users/user_profile.html:123
+#: users/templates/users/user_profile.html:130
 msgid "Comment"
 msgstr "备注"
 
-#: assets/models/base.py:23
+#: assets/models/base.py:24
 msgid "SSH private key"
 msgstr "ssh密钥"
 
-#: assets/models/base.py:24
+#: assets/models/base.py:25
 msgid "SSH public key"
 msgstr "ssh公钥"
 
@@ -366,7 +385,7 @@ msgstr "带宽"
 msgid "Contact"
 msgstr "联系人"
 
-#: assets/models/cluster.py:22 users/models/user.py:61
+#: assets/models/cluster.py:22 users/models/user.py:68
 #: users/templates/users/user_detail.html:76
 msgid "Phone"
 msgstr "手机"
@@ -392,7 +411,7 @@ msgid "Default"
 msgstr "默认"
 
 #: assets/models/cluster.py:36 assets/models/label.py:13
-#: users/models/user.py:330
+#: users/models/user.py:345
 msgid "System"
 msgstr "系统"
 
@@ -404,13 +423,6 @@ msgstr "默认Cluster"
 msgid "Cluster"
 msgstr "集群"
 
-#: assets/models/domain.py:45 assets/models/user.py:106
-#: assets/templates/assets/domain_gateway_list.html:59
-#: assets/templates/assets/system_user_detail.html:66
-#: assets/templates/assets/system_user_list.html:28
-msgid "Protocol"
-msgstr "协议"
-
 #: assets/models/group.py:30
 msgid "Asset group"
 msgstr "资产组"
@@ -422,22 +434,22 @@ msgstr "默认资产组"
 #: assets/models/label.py:14 audits/models.py:9
 #: audits/templates/audits/ftp_log_list.html:33
 #: audits/templates/audits/ftp_log_list.html:71 perms/forms.py:14
-#: perms/forms.py:31 perms/models.py:20
+#: perms/forms.py:31 perms/models.py:30
 #: perms/templates/perms/asset_permission_create_update.html:36
 #: perms/templates/perms/asset_permission_list.html:54
 #: perms/templates/perms/asset_permission_list.html:133
-#: terminal/backends/command/models.py:10 terminal/models.py:122
+#: terminal/backends/command/models.py:10 terminal/models.py:126
 #: terminal/templates/terminal/command_list.html:32
 #: terminal/templates/terminal/command_list.html:72
 #: terminal/templates/terminal/session_list.html:33
-#: terminal/templates/terminal/session_list.html:71 users/forms.py:273
-#: users/models/user.py:30 users/models/user.py:318
+#: terminal/templates/terminal/session_list.html:71 users/forms.py:282
+#: users/models/user.py:31 users/models/user.py:333
 #: users/templates/users/user_group_detail.html:78
-#: users/templates/users/user_group_list.html:13 users/views/user.py:339
+#: users/templates/users/user_group_list.html:13 users/views/user.py:361
 msgid "User"
 msgstr "用户"
 
-#: assets/models/label.py:18 assets/models/node.py:15
+#: assets/models/label.py:18 assets/models/node.py:16
 #: assets/templates/assets/label_list.html:15 common/models.py:27
 msgid "Value"
 msgstr "值"
@@ -446,11 +458,19 @@ msgstr "值"
 msgid "Category"
 msgstr "分类"
 
-#: assets/models/node.py:14
+#: assets/models/node.py:15
 msgid "Key"
 msgstr ""
 
-#: assets/models/user.py:104
+#: assets/models/user.py:108
+msgid "Automatic login"
+msgstr "自动登录"
+
+#: assets/models/user.py:109
+msgid "Manually login"
+msgstr "手动登录"
+
+#: assets/models/user.py:113
 #: assets/templates/assets/_asset_group_bulk_update_modal.html:11
 #: assets/templates/assets/system_user_asset.html:21
 #: assets/views/admin_user.py:29 assets/views/admin_user.py:47
@@ -460,7 +480,7 @@ msgstr ""
 #: assets/views/asset.py:197 assets/views/domain.py:29
 #: assets/views/domain.py:45 assets/views/domain.py:61
 #: assets/views/domain.py:74 assets/views/domain.py:98
-#: assets/views/domain.py:126 assets/views/domain.py:150
+#: assets/views/domain.py:126 assets/views/domain.py:145
 #: assets/views/label.py:26 assets/views/label.py:42 assets/views/label.py:58
 #: assets/views/system_user.py:28 assets/views/system_user.py:44
 #: assets/views/system_user.py:60 assets/views/system_user.py:74
@@ -468,32 +488,37 @@ msgstr ""
 msgid "Assets"
 msgstr "资产管理"
 
-#: assets/models/user.py:105
+#: assets/models/user.py:114
 msgid "Priority"
 msgstr "优先级"
 
-#: assets/models/user.py:107 assets/templates/assets/_system_user.html:58
-#: assets/templates/assets/system_user_detail.html:118
-#: assets/templates/assets/system_user_update.html:11
+#: assets/models/user.py:116 assets/templates/assets/_system_user.html:59
+#: assets/templates/assets/system_user_detail.html:122
+#: assets/templates/assets/system_user_update.html:10
 msgid "Auto push"
 msgstr "自动推送"
 
-#: assets/models/user.py:108 assets/templates/assets/system_user_detail.html:70
+#: assets/models/user.py:117 assets/templates/assets/system_user_detail.html:74
 msgid "Sudo"
 msgstr "Sudo"
 
-#: assets/models/user.py:109 assets/templates/assets/system_user_detail.html:75
+#: assets/models/user.py:118 assets/templates/assets/system_user_detail.html:79
 msgid "Shell"
 msgstr "Shell"
 
-#: assets/models/user.py:149 audits/models.py:12
+#: assets/models/user.py:119 assets/templates/assets/system_user_detail.html:66
+#: assets/templates/assets/system_user_list.html:29
+msgid "Login mode"
+msgstr "登录模式"
+
+#: assets/models/user.py:159 audits/models.py:12
 #: audits/templates/audits/ftp_log_list.html:49
 #: audits/templates/audits/ftp_log_list.html:73 perms/forms.py:43
-#: perms/models.py:24 perms/models.py:69
+#: perms/models.py:34 perms/models.py:78
 #: perms/templates/perms/asset_permission_detail.html:140
 #: perms/templates/perms/asset_permission_list.html:58
 #: perms/templates/perms/asset_permission_list.html:145 templates/_nav.html:26
-#: terminal/backends/command/models.py:12 terminal/models.py:124
+#: terminal/backends/command/models.py:12 terminal/models.py:128
 #: terminal/templates/terminal/command_list.html:48
 #: terminal/templates/terminal/command_list.html:74
 #: terminal/templates/terminal/session_list.html:49
@@ -561,7 +586,6 @@ msgid "Select System Users"
 msgstr "选择系统用户"
 
 #: assets/templates/assets/_asset_group_bulk_update_modal.html:34
-#, fuzzy
 msgid "Enable-MFA"
 msgstr "启用MFA"
 
@@ -601,72 +625,73 @@ msgid "Basic"
 msgstr "基本"
 
 #: assets/templates/assets/_system_user.html:44
-#: assets/templates/assets/asset_create.html:25
-#: assets/templates/assets/asset_update.html:30
+#: assets/templates/assets/asset_create.html:26
+#: assets/templates/assets/asset_update.html:31
 #: assets/templates/assets/gateway_create_update.html:45
-#: assets/templates/assets/system_user_update.html:7
 #: users/templates/users/_user.html:21
 msgid "Auth"
 msgstr "认证"
 
-#: assets/templates/assets/_system_user.html:47
+#: assets/templates/assets/_system_user.html:48
 msgid "Auto generate key"
 msgstr "自动生成密钥"
 
-#: assets/templates/assets/_system_user.html:64
-#: assets/templates/assets/asset_create.html:59
-#: assets/templates/assets/asset_update.html:63
+#: assets/templates/assets/_system_user.html:65
+#: assets/templates/assets/asset_create.html:60
+#: assets/templates/assets/asset_update.html:64
 #: assets/templates/assets/gateway_create_update.html:53
 #: perms/templates/perms/asset_permission_create_update.html:45
 #: terminal/templates/terminal/terminal_update.html:42
 msgid "Other"
 msgstr "其它"
 
-#: assets/templates/assets/_system_user.html:70
+#: assets/templates/assets/_system_user.html:71
 #: assets/templates/assets/admin_user_create_update.html:45
 #: assets/templates/assets/asset_bulk_update.html:23
-#: assets/templates/assets/asset_create.html:66
-#: assets/templates/assets/asset_update.html:70
+#: assets/templates/assets/asset_create.html:67
+#: assets/templates/assets/asset_update.html:71
 #: assets/templates/assets/domain_create_update.html:16
 #: assets/templates/assets/gateway_create_update.html:58
 #: assets/templates/assets/label_create_update.html:18
-#: common/templates/common/basic_setting.html:58
-#: common/templates/common/email_setting.html:59
-#: common/templates/common/ldap_setting.html:59
-#: common/templates/common/terminal_setting.html:101
+#: common/templates/common/basic_setting.html:61
+#: common/templates/common/email_setting.html:62
+#: common/templates/common/ldap_setting.html:62
+#: common/templates/common/security_setting.html:70
+#: common/templates/common/terminal_setting.html:106
 #: perms/templates/perms/asset_permission_create_update.html:69
 #: terminal/templates/terminal/terminal_update.html:47
 #: users/templates/users/_user.html:46
 #: users/templates/users/user_bulk_update.html:23
-#: users/templates/users/user_password_update.html:58
-#: users/templates/users/user_profile.html:181
+#: users/templates/users/user_password_update.html:70
+#: users/templates/users/user_profile.html:188
 #: users/templates/users/user_profile_update.html:63
 #: users/templates/users/user_pubkey_update.html:70
 #: users/templates/users/user_pubkey_update.html:76
 msgid "Reset"
 msgstr "重置"
 
-#: assets/templates/assets/_system_user.html:71
+#: assets/templates/assets/_system_user.html:72
 #: assets/templates/assets/admin_user_create_update.html:46
 #: assets/templates/assets/asset_bulk_update.html:24
-#: assets/templates/assets/asset_create.html:67
+#: assets/templates/assets/asset_create.html:68
 #: assets/templates/assets/asset_list.html:108
-#: assets/templates/assets/asset_update.html:71
+#: assets/templates/assets/asset_update.html:72
 #: assets/templates/assets/domain_create_update.html:17
 #: assets/templates/assets/gateway_create_update.html:59
 #: assets/templates/assets/label_create_update.html:19
-#: common/templates/common/basic_setting.html:59
-#: common/templates/common/email_setting.html:60
-#: common/templates/common/ldap_setting.html:60
-#: common/templates/common/terminal_setting.html:103
+#: common/templates/common/basic_setting.html:62
+#: common/templates/common/email_setting.html:63
+#: common/templates/common/ldap_setting.html:63
+#: common/templates/common/security_setting.html:71
+#: common/templates/common/terminal_setting.html:108
 #: perms/templates/perms/asset_permission_create_update.html:70
-#: terminal/templates/terminal/session_list.html:120
+#: terminal/templates/terminal/session_list.html:126
 #: terminal/templates/terminal/terminal_update.html:48
 #: users/templates/users/_user.html:47
 #: users/templates/users/forgot_password.html:44
 #: users/templates/users/user_bulk_update.html:24
-#: users/templates/users/user_list.html:44
-#: users/templates/users/user_password_update.html:59
+#: users/templates/users/user_list.html:45
+#: users/templates/users/user_password_update.html:71
 #: users/templates/users/user_profile_update.html:64
 #: users/templates/users/user_pubkey_update.html:77
 msgid "Submit"
@@ -699,16 +724,15 @@ msgstr "资产列表"
 
 #: assets/templates/assets/admin_user_assets.html:54
 #: assets/templates/assets/admin_user_list.html:26
-#: assets/templates/assets/asset_list.html:90
 #: assets/templates/assets/system_user_asset.html:52
-#: assets/templates/assets/system_user_list.html:30
+#: assets/templates/assets/system_user_list.html:31
 #: users/templates/users/user_group_granted_asset.html:47
 msgid "Reachable"
 msgstr "可连接"
 
 #: assets/templates/assets/admin_user_assets.html:66
 #: assets/templates/assets/system_user_asset.html:64
-#: assets/templates/assets/system_user_detail.html:112
+#: assets/templates/assets/system_user_detail.html:116
 #: perms/templates/perms/asset_permission_detail.html:114
 msgid "Quick update"
 msgstr "快速更新"
@@ -721,21 +745,21 @@ msgstr "测试可连接性"
 #: assets/templates/assets/admin_user_assets.html:75
 #: assets/templates/assets/asset_detail.html:171
 #: assets/templates/assets/system_user_asset.html:81
-#: assets/templates/assets/system_user_detail.html:147
+#: assets/templates/assets/system_user_detail.html:151
 msgid "Test"
 msgstr "测试"
 
 #: assets/templates/assets/admin_user_detail.html:24
 #: assets/templates/assets/admin_user_list.html:85
 #: assets/templates/assets/asset_detail.html:24
-#: assets/templates/assets/asset_list.html:170
+#: assets/templates/assets/asset_list.html:175
 #: assets/templates/assets/domain_detail.html:24
 #: assets/templates/assets/domain_detail.html:103
 #: assets/templates/assets/domain_gateway_list.html:85
 #: assets/templates/assets/domain_list.html:42
 #: assets/templates/assets/label_list.html:38
 #: assets/templates/assets/system_user_detail.html:26
-#: assets/templates/assets/system_user_list.html:88
+#: assets/templates/assets/system_user_list.html:89
 #: perms/templates/perms/asset_permission_detail.html:30
 #: perms/templates/perms/asset_permission_list.html:191
 #: terminal/templates/terminal/terminal_detail.html:16
@@ -743,23 +767,23 @@ msgstr "测试"
 #: users/templates/users/user_detail.html:25
 #: users/templates/users/user_group_detail.html:28
 #: users/templates/users/user_group_list.html:43
-#: users/templates/users/user_list.html:76
-#: users/templates/users/user_profile.html:144
-#: users/templates/users/user_profile.html:173
+#: users/templates/users/user_list.html:77
+#: users/templates/users/user_profile.html:151
+#: users/templates/users/user_profile.html:180
 msgid "Update"
 msgstr "更新"
 
 #: assets/templates/assets/admin_user_detail.html:28
 #: assets/templates/assets/admin_user_list.html:86
 #: assets/templates/assets/asset_detail.html:28
-#: assets/templates/assets/asset_list.html:171
+#: assets/templates/assets/asset_list.html:176
 #: assets/templates/assets/domain_detail.html:28
 #: assets/templates/assets/domain_detail.html:104
 #: assets/templates/assets/domain_gateway_list.html:86
 #: assets/templates/assets/domain_list.html:43
 #: assets/templates/assets/label_list.html:39
 #: assets/templates/assets/system_user_detail.html:30
-#: assets/templates/assets/system_user_list.html:89
+#: assets/templates/assets/system_user_list.html:90
 #: ops/templates/ops/task_list.html:72
 #: perms/templates/perms/asset_permission_detail.html:34
 #: perms/templates/perms/asset_permission_list.html:192
@@ -767,8 +791,8 @@ msgstr "更新"
 #: users/templates/users/user_detail.html:30
 #: users/templates/users/user_group_detail.html:32
 #: users/templates/users/user_group_list.html:45
-#: users/templates/users/user_list.html:80
-#: users/templates/users/user_list.html:84
+#: users/templates/users/user_list.html:81
+#: users/templates/users/user_list.html:85
 msgid "Delete"
 msgstr "删除"
 
@@ -783,17 +807,17 @@ msgstr "选择节点"
 
 #: assets/templates/assets/admin_user_detail.html:100
 #: assets/templates/assets/asset_detail.html:200
-#: assets/templates/assets/asset_list.html:600
-#: assets/templates/assets/system_user_detail.html:183
-#: assets/templates/assets/system_user_list.html:138 templates/_modal.html:22
+#: assets/templates/assets/asset_list.html:638
+#: assets/templates/assets/system_user_detail.html:196
+#: assets/templates/assets/system_user_list.html:139 templates/_modal.html:22
 #: terminal/templates/terminal/session_detail.html:108
-#: users/templates/users/user_detail.html:362
-#: users/templates/users/user_detail.html:387
-#: users/templates/users/user_detail.html:410
+#: users/templates/users/user_detail.html:366
+#: users/templates/users/user_detail.html:391
+#: users/templates/users/user_detail.html:414
 #: users/templates/users/user_group_create_update.html:32
 #: users/templates/users/user_group_list.html:86
-#: users/templates/users/user_list.html:196
-#: users/templates/users/user_profile.html:215
+#: users/templates/users/user_list.html:200
+#: users/templates/users/user_profile.html:222
 msgid "Confirm"
 msgstr "确认"
 
@@ -803,12 +827,12 @@ msgid "Create admin user"
 msgstr "创建管理用户"
 
 #: assets/templates/assets/admin_user_list.html:27
-#: assets/templates/assets/system_user_list.html:31
+#: assets/templates/assets/system_user_list.html:32
 msgid "Unreachable"
 msgstr "不可达"
 
 #: assets/templates/assets/admin_user_list.html:28
-#: assets/templates/assets/system_user_list.html:32
+#: assets/templates/assets/system_user_list.html:33
 #: ops/templates/ops/adhoc_history.html:54
 #: ops/templates/ops/task_history.html:60
 msgid "Ratio"
@@ -819,14 +843,14 @@ msgstr "比例"
 #: assets/templates/assets/domain_gateway_list.html:62
 #: assets/templates/assets/domain_list.html:18
 #: assets/templates/assets/label_list.html:17
-#: assets/templates/assets/system_user_list.html:34
+#: assets/templates/assets/system_user_list.html:35
 #: ops/templates/ops/adhoc_history.html:59 ops/templates/ops/task_adhoc.html:64
 #: ops/templates/ops/task_history.html:65 ops/templates/ops/task_list.html:42
 #: perms/templates/perms/asset_permission_list.html:60
-#: terminal/templates/terminal/session_list.html:80
+#: terminal/templates/terminal/session_list.html:81
 #: terminal/templates/terminal/terminal_list.html:36
 #: users/templates/users/user_group_list.html:15
-#: users/templates/users/user_list.html:28
+#: users/templates/users/user_list.html:29
 msgid "Action"
 msgstr "动作"
 
@@ -843,31 +867,31 @@ msgid "Disk"
 msgstr "硬盘"
 
 #: assets/templates/assets/asset_detail.html:121
-#: users/templates/users/user_detail.html:111
-#: users/templates/users/user_profile.html:97
+#: users/templates/users/user_detail.html:115
+#: users/templates/users/user_profile.html:104
 msgid "Date joined"
 msgstr "创建日期"
 
 #: assets/templates/assets/asset_detail.html:137
 #: terminal/templates/terminal/session_detail.html:81
-#: users/templates/users/user_detail.html:130
-#: users/templates/users/user_profile.html:135
+#: users/templates/users/user_detail.html:134
+#: users/templates/users/user_profile.html:142
 msgid "Quick modify"
 msgstr "快速修改"
 
 #: assets/templates/assets/asset_detail.html:143
 #: assets/templates/assets/asset_list.html:89
-#: assets/templates/assets/user_asset_list.html:47 perms/models.py:25
-#: perms/models.py:70
+#: assets/templates/assets/user_asset_list.html:47 perms/models.py:35
+#: perms/models.py:79
 #: perms/templates/perms/asset_permission_create_update.html:47
 #: perms/templates/perms/asset_permission_detail.html:120
 #: perms/templates/perms/asset_permission_list.html:59
 #: terminal/templates/terminal/terminal_list.html:34
 #: users/templates/users/_select_user_modal.html:18
-#: users/templates/users/user_detail.html:136
+#: users/templates/users/user_detail.html:140
 #: users/templates/users/user_granted_asset.html:46
 #: users/templates/users/user_group_granted_asset.html:46
-#: users/templates/users/user_list.html:27
+#: users/templates/users/user_list.html:28
 #: users/templates/users/user_profile.html:63
 msgid "Active"
 msgstr "激活中"
@@ -881,8 +905,8 @@ msgid "Refresh"
 msgstr "刷新"
 
 #: assets/templates/assets/asset_detail.html:300
-#: users/templates/users/user_detail.html:282
-#: users/templates/users/user_detail.html:309
+#: users/templates/users/user_detail.html:286
+#: users/templates/users/user_detail.html:313
 msgid "Update successfully!"
 msgstr "更新成功"
 
@@ -905,12 +929,12 @@ msgid "Hardware"
 msgstr "硬件"
 
 #: assets/templates/assets/asset_list.html:100
-#: users/templates/users/user_list.html:37
+#: users/templates/users/user_list.html:38
 msgid "Delete selected"
 msgstr "批量删除"
 
 #: assets/templates/assets/asset_list.html:101
-#: users/templates/users/user_list.html:38
+#: users/templates/users/user_list.html:39
 msgid "Update selected"
 msgstr "批量更新"
 
@@ -919,12 +943,12 @@ msgid "Remove from this node"
 msgstr "从节点移除"
 
 #: assets/templates/assets/asset_list.html:103
-#: users/templates/users/user_list.html:39
+#: users/templates/users/user_list.html:40
 msgid "Deactive selected"
 msgstr "禁用所选"
 
 #: assets/templates/assets/asset_list.html:104
-#: users/templates/users/user_list.html:40
+#: users/templates/users/user_list.html:41
 msgid "Active selected"
 msgstr "激活所选"
 
@@ -956,45 +980,53 @@ msgstr "更新节点资产硬件信息"
 msgid "Test node connective"
 msgstr "测试节点资产可连接性"
 
-#: assets/templates/assets/asset_list.html:204
+#: assets/templates/assets/asset_list.html:131
+msgid "Display only current node assets"
+msgstr "仅显示当前节点资产"
+
+#: assets/templates/assets/asset_list.html:132
+msgid "Displays all child node assets"
+msgstr "显示所有子节点资产"
+
+#: assets/templates/assets/asset_list.html:218
 msgid "Create node failed"
 msgstr "创建节点失败"
 
-#: assets/templates/assets/asset_list.html:216
+#: assets/templates/assets/asset_list.html:230
 msgid "Have child node, cancel"
 msgstr "存在子节点，不能删除"
 
-#: assets/templates/assets/asset_list.html:218
+#: assets/templates/assets/asset_list.html:232
 msgid "Have assets, cancel"
 msgstr "存在资产，不能删除"
 
-#: assets/templates/assets/asset_list.html:595
-#: assets/templates/assets/system_user_list.html:133
-#: users/templates/users/user_detail.html:357
-#: users/templates/users/user_detail.html:382
+#: assets/templates/assets/asset_list.html:633
+#: assets/templates/assets/system_user_list.html:134
+#: users/templates/users/user_detail.html:361
+#: users/templates/users/user_detail.html:386
 #: users/templates/users/user_group_list.html:81
-#: users/templates/users/user_list.html:191
+#: users/templates/users/user_list.html:195
 msgid "Are you sure?"
 msgstr "你确认吗?"
 
-#: assets/templates/assets/asset_list.html:596
+#: assets/templates/assets/asset_list.html:634
 msgid "This will delete the selected assets !!!"
 msgstr "删除选择资产"
 
-#: assets/templates/assets/asset_list.html:604
+#: assets/templates/assets/asset_list.html:642
 msgid "Asset Deleted."
 msgstr "已被删除"
 
-#: assets/templates/assets/asset_list.html:605
-#: assets/templates/assets/asset_list.html:610
+#: assets/templates/assets/asset_list.html:643
+#: assets/templates/assets/asset_list.html:648
 msgid "Asset Delete"
 msgstr "删除"
 
-#: assets/templates/assets/asset_list.html:609
+#: assets/templates/assets/asset_list.html:647
 msgid "Asset Deleting failed."
 msgstr "删除失败"
 
-#: assets/templates/assets/asset_update.html:59
+#: assets/templates/assets/asset_update.html:60
 msgid "Configuration"
 msgstr "配置"
 
@@ -1025,8 +1057,9 @@ msgid "Create gateway"
 msgstr "创建网关"
 
 #: assets/templates/assets/domain_gateway_list.html:87
-#: common/templates/common/email_setting.html:58
-#: common/templates/common/ldap_setting.html:58
+#: assets/templates/assets/domain_gateway_list.html:89
+#: common/templates/common/email_setting.html:61
+#: common/templates/common/ldap_setting.html:61
 msgid "Test connection"
 msgstr "测试连接"
 
@@ -1043,17 +1076,17 @@ msgid "Assets of "
 msgstr "资产"
 
 #: assets/templates/assets/system_user_asset.html:70
-#: assets/templates/assets/system_user_detail.html:135
+#: assets/templates/assets/system_user_detail.html:139
 msgid "Push system user now"
 msgstr "立刻推送系统"
 
 #: assets/templates/assets/system_user_asset.html:73
-#: assets/templates/assets/system_user_detail.html:138
+#: assets/templates/assets/system_user_detail.html:142
 msgid "Push"
 msgstr "推送"
 
 #: assets/templates/assets/system_user_asset.html:78
-#: assets/templates/assets/system_user_detail.html:144
+#: assets/templates/assets/system_user_detail.html:148
 msgid "Test assets connective"
 msgstr "测试资产可连接性"
 
@@ -1065,37 +1098,50 @@ msgstr "任务已下发，查看ops任务列表"
 msgid "Task has been send, seen left assets status"
 msgstr "任务已下发，查看左侧资产状态"
 
-#: assets/templates/assets/system_user_detail.html:81
+#: assets/templates/assets/system_user_detail.html:85
 msgid "Home"
 msgstr "家目录"
 
-#: assets/templates/assets/system_user_detail.html:87
+#: assets/templates/assets/system_user_detail.html:91
 msgid "Uid"
 msgstr "Uid"
 
-#: assets/templates/assets/system_user_detail.html:174
+#: assets/templates/assets/system_user_detail.html:157
+#: assets/templates/assets/system_user_detail.html:343
+msgid "Clear auth"
+msgstr "清除认证信息"
+
+#: assets/templates/assets/system_user_detail.html:160
+msgid "Clear"
+msgstr "清除"
+
+#: assets/templates/assets/system_user_detail.html:187
 msgid "Add to node"
 msgstr "添加到节点"
 
+#: assets/templates/assets/system_user_detail.html:343
+msgid "success"
+msgstr "成功"
+
 #: assets/templates/assets/system_user_list.html:18
 #: assets/views/system_user.py:45
 msgid "Create system user"
 msgstr "创建系统用户"
 
-#: assets/templates/assets/system_user_list.html:134
+#: assets/templates/assets/system_user_list.html:135
 msgid "This will delete the selected System Users !!!"
 msgstr "删除选择系统用户"
 
-#: assets/templates/assets/system_user_list.html:142
+#: assets/templates/assets/system_user_list.html:143
 msgid "System Users Deleted."
 msgstr "已被删除"
 
-#: assets/templates/assets/system_user_list.html:143
-#: assets/templates/assets/system_user_list.html:148
+#: assets/templates/assets/system_user_list.html:144
+#: assets/templates/assets/system_user_list.html:149
 msgid "System Users Delete"
 msgstr "删除系统用户"
 
-#: assets/templates/assets/system_user_list.html:147
+#: assets/templates/assets/system_user_list.html:148
 msgid "System Users Deleting failed."
 msgstr "系统用户删除失败"
 
@@ -1123,7 +1169,7 @@ msgstr "批量更新资产"
 msgid "Update asset"
 msgstr "更新资产"
 
-#: assets/views/asset.py:311
+#: assets/views/asset.py:314
 msgid "already exists"
 msgstr "已经存在"
 
@@ -1143,7 +1189,7 @@ msgstr "网域详情"
 msgid "Domain gateway list"
 msgstr "域网关列表"
 
-#: assets/views/domain.py:151
+#: assets/views/domain.py:146
 msgid "Update gateway"
 msgstr "创建网关"
 
@@ -1176,7 +1222,7 @@ msgid "System user asset"
 msgstr "系统用户集群资产"
 
 #: audits/models.py:10 audits/templates/audits/ftp_log_list.html:74
-#: terminal/models.py:126 terminal/templates/terminal/session_list.html:74
+#: terminal/models.py:130 terminal/templates/terminal/session_list.html:74
 #: terminal/templates/terminal/terminal_detail.html:47
 msgid "Remote addr"
 msgstr "远端地址"
@@ -1191,16 +1237,16 @@ msgid "Filename"
 msgstr "文件名"
 
 #: audits/models.py:15 audits/templates/audits/ftp_log_list.html:77
-#: ops/templates/ops/task_list.html:39
+#: ops/templates/ops/task_list.html:39 users/models/authentication.py:66
 msgid "Success"
 msgstr "成功"
 
 #: audits/templates/audits/ftp_log_list.html:78
 #: ops/templates/ops/adhoc_history.html:52
 #: ops/templates/ops/adhoc_history_detail.html:61
-#: ops/templates/ops/task_history.html:58 perms/models.py:26
-#: perms/templates/perms/asset_permission_detail.html:86 terminal/models.py:132
-#: terminal/templates/terminal/session_list.html:77
+#: ops/templates/ops/task_history.html:58 perms/models.py:36
+#: perms/templates/perms/asset_permission_detail.html:86 terminal/models.py:137
+#: terminal/templates/terminal/session_list.html:78
 msgid "Date start"
 msgstr "开始日期"
 
@@ -1216,11 +1262,11 @@ msgstr "FTP日志"
 msgid "Test mail sent to {}, please check"
 msgstr "邮件已经发送{}, 请检查"
 
-#: common/api.py:52
+#: common/api.py:42
 msgid "Test ldap success"
 msgstr "连接LDAP成功"
 
-#: common/api.py:90
+#: common/api.py:80
 msgid "Match {} s users"
 msgstr "匹配 {} 个用户"
 
@@ -1355,7 +1401,7 @@ msgstr "密码认证"
 msgid "Public key auth"
 msgstr "密钥认证"
 
-#: common/forms.py:159 common/templates/common/terminal_setting.html:63
+#: common/forms.py:159 common/templates/common/terminal_setting.html:68
 #: terminal/forms.py:30 terminal/models.py:20
 msgid "Command storage"
 msgstr "命令存储"
@@ -1366,7 +1412,7 @@ msgid ""
 "other storage and some terminal using"
 msgstr "设置终端命令存储，default是默认用的存储方式"
 
-#: common/forms.py:165 common/templates/common/terminal_setting.html:81
+#: common/forms.py:165 common/templates/common/terminal_setting.html:86
 #: terminal/forms.py:35 terminal/models.py:21
 msgid "Replay storage"
 msgstr "录像存储"
@@ -1377,6 +1423,75 @@ msgid ""
 "other storage and some terminal using"
 msgstr "设置终端录像存储，default是默认用的存储方式"
 
+#: common/forms.py:176
+msgid "MFA Secondary certification"
+msgstr "MFA 二次认证"
+
+#: common/forms.py:178
+msgid ""
+"After opening, the user login must use MFA secondary authentication (valid "
+"for all users, including administrators)"
+msgstr "开启后，用户登录必须使用MFA二次认证（对所有用户有效，包括管理员）"
+
+#: common/forms.py:185
+msgid "Limit the number of login failures"
+msgstr "限制登录失败次数"
+
+#: common/forms.py:190
+msgid "No logon interval"
+msgstr "禁止登录时间间隔"
+
+#: common/forms.py:192
+msgid ""
+"Tip :(unit/minute) if the user has failed to log in for a limited number of "
+"times, no login is allowed during this time interval."
+msgstr ""
+"提示:（单位 / 分钟）当用户登录失败次数达到限制后，那么在此时间间隔内禁止登录."
+
+#: common/forms.py:198
+msgid "Password minimum length"
+msgstr "密码最小长度 "
+
+#: common/forms.py:205
+msgid "Must contain capital letters"
+msgstr "必须包含大写字母"
+
+#: common/forms.py:207
+msgid ""
+"After opening, the user password changes and resets must contain uppercase "
+"letters"
+msgstr "开启后，用户密码修改、重置必须包含大写字母"
+
+#: common/forms.py:213
+msgid "Must contain lowercase letters"
+msgstr "必须包含小写字母"
+
+#: common/forms.py:214
+msgid ""
+"After opening, the user password changes and resets must contain lowercase "
+"letters"
+msgstr "开启后，用户密码修改、重置必须包含小写字母"
+
+#: common/forms.py:220
+msgid "Must contain numeric characters"
+msgstr "必须包含数字字符"
+
+#: common/forms.py:221
+msgid ""
+"After opening, the user password changes and resets must contain numeric "
+"characters"
+msgstr "开启后，用户密码修改、重置必须包含数字字符"
+
+#: common/forms.py:227
+msgid "Must contain special characters"
+msgstr "必须包含特殊字符"
+
+#: common/forms.py:228
+msgid ""
+"After opening, the user password changes and resets must contain special "
+"characters"
+msgstr "开启后，用户密码修改、重置必须包含特殊字符"
+
 #: common/mixins.py:29
 msgid "is discard"
 msgstr ""
@@ -1385,21 +1500,24 @@ msgstr ""
 msgid "discard time"
 msgstr ""
 
-#: common/models.py:29 users/templates/users/user_detail.html:96
+#: common/models.py:29 users/models/authentication.py:51
+#: users/templates/users/user_detail.html:96
 msgid "Enabled"
 msgstr "启用"
 
 #: common/templates/common/basic_setting.html:15
 #: common/templates/common/email_setting.html:15
 #: common/templates/common/ldap_setting.html:15
+#: common/templates/common/security_setting.html:15
 #: common/templates/common/terminal_setting.html:16
-#: common/templates/common/terminal_setting.html:42 common/views.py:22
+#: common/templates/common/terminal_setting.html:46 common/views.py:22
 msgid "Basic setting"
 msgstr "基本设置"
 
 #: common/templates/common/basic_setting.html:18
 #: common/templates/common/email_setting.html:18
 #: common/templates/common/ldap_setting.html:18
+#: common/templates/common/security_setting.html:18
 #: common/templates/common/terminal_setting.html:20 common/views.py:48
 msgid "Email setting"
 msgstr "邮件设置"
@@ -1407,6 +1525,7 @@ msgstr "邮件设置"
 #: common/templates/common/basic_setting.html:21
 #: common/templates/common/email_setting.html:21
 #: common/templates/common/ldap_setting.html:21
+#: common/templates/common/security_setting.html:21
 #: common/templates/common/terminal_setting.html:24 common/views.py:74
 msgid "LDAP setting"
 msgstr "LDAP设置"
@@ -1414,22 +1533,44 @@ msgstr "LDAP设置"
 #: common/templates/common/basic_setting.html:24
 #: common/templates/common/email_setting.html:24
 #: common/templates/common/ldap_setting.html:24
+#: common/templates/common/security_setting.html:24
 #: common/templates/common/terminal_setting.html:28 common/views.py:104
 msgid "Terminal setting"
 msgstr "终端设置"
 
-#: common/templates/common/terminal_setting.html:68
-#: common/templates/common/terminal_setting.html:86
+#: common/templates/common/basic_setting.html:27
+#: common/templates/common/email_setting.html:27
+#: common/templates/common/ldap_setting.html:27
+#: common/templates/common/security_setting.html:27
+#: common/templates/common/terminal_setting.html:31 common/views.py:132
+msgid "Security setting"
+msgstr "安全设置"
+
+#: common/templates/common/security_setting.html:42
+msgid "User login settings"
+msgstr "用户登录设置"
+
+#: common/templates/common/security_setting.html:46
+msgid "Password check rule"
+msgstr "密码校验规则"
+
+#: common/templates/common/terminal_setting.html:73
+#: common/templates/common/terminal_setting.html:91
 #: users/templates/users/login_log_list.html:50
 msgid "Type"
 msgstr "类型"
 
+#: common/validators.py:7
+msgid "Special char not allowed"
+msgstr "不能包含特殊字符"
+
 #: common/views.py:21 common/views.py:47 common/views.py:73 common/views.py:103
-#: templates/_nav.html:81
+#: common/views.py:131 templates/_nav.html:81
 msgid "Settings"
 msgstr "系统设置"
 
 #: common/views.py:32 common/views.py:58 common/views.py:86 common/views.py:116
+#: common/views.py:142
 msgid "Update setting successfully, please restart program"
 msgstr "更新设置成功, 请手动重启程序"
 
@@ -1678,7 +1819,7 @@ msgid "Versions"
 msgstr "版本"
 
 #: ops/templates/ops/task_list.html:40
-#: users/templates/users/login_log_list.html:54
+#: users/templates/users/login_log_list.html:57
 msgid "Date"
 msgstr "日期"
 
@@ -1703,17 +1844,17 @@ msgstr "任务列表"
 msgid "Task run history"
 msgstr "执行历史"
 
-#: perms/forms.py:18 users/forms.py:230 users/forms.py:235 users/forms.py:247
-#: users/forms.py:277
+#: perms/forms.py:18 users/forms.py:239 users/forms.py:244 users/forms.py:256
+#: users/forms.py:286
 msgid "Select users"
 msgstr "选择用户"
 
-#: perms/forms.py:34 perms/models.py:21 perms/models.py:68
+#: perms/forms.py:34 perms/models.py:31 perms/models.py:77
 #: perms/templates/perms/asset_permission_list.html:55
 #: perms/templates/perms/asset_permission_list.html:136 templates/_nav.html:14
-#: users/models/group.py:25 users/models/user.py:48
+#: users/models/group.py:23 users/models/user.py:55
 #: users/templates/users/_select_user_modal.html:16
-#: users/templates/users/user_detail.html:188
+#: users/templates/users/user_detail.html:192
 #: users/templates/users/user_list.html:26
 msgid "User group"
 msgstr "用户组"
@@ -1726,14 +1867,14 @@ msgstr ""
 msgid "Asset or group at least one required"
 msgstr ""
 
-#: perms/models.py:27 perms/models.py:71
+#: perms/models.py:37 perms/models.py:80
 #: perms/templates/perms/asset_permission_detail.html:90
-#: users/models/user.py:80 users/templates/users/user_detail.html:103
-#: users/templates/users/user_profile.html:105
+#: users/models/user.py:87 users/templates/users/user_detail.html:107
+#: users/templates/users/user_profile.html:112
 msgid "Date expired"
 msgstr "失效日期"
 
-#: perms/models.py:81 templates/_nav.html:34
+#: perms/models.py:90 templates/_nav.html:34
 msgid "Asset permission"
 msgstr "资产授权"
 
@@ -1766,10 +1907,14 @@ msgid "Add node to this permission"
 msgstr "添加节点"
 
 #: perms/templates/perms/asset_permission_asset.html:125
-#: users/templates/users/user_detail.html:205
+#: users/templates/users/user_detail.html:209
 msgid "Join"
 msgstr "加入"
 
+#: perms/templates/perms/asset_permission_create_update.html:53
+msgid "Validity period"
+msgstr "有效期"
+
 #: perms/templates/perms/asset_permission_detail.html:66
 msgid "User count"
 msgstr "用户数量"
@@ -1852,14 +1997,14 @@ msgstr "商业支持"
 msgid "Docs"
 msgstr "文档"
 
-#: templates/_header_bar.html:37 templates/_nav_user.html:9 users/forms.py:113
+#: templates/_header_bar.html:37 templates/_nav_user.html:9 users/forms.py:122
 #: users/templates/users/_user.html:39
 #: users/templates/users/first_login.html:39
-#: users/templates/users/user_password_update.html:37
+#: users/templates/users/user_password_update.html:39
 #: users/templates/users/user_profile.html:17
 #: users/templates/users/user_profile_update.html:37
 #: users/templates/users/user_profile_update.html:57
-#: users/templates/users/user_pubkey_update.html:37 users/views/user.py:322
+#: users/templates/users/user_pubkey_update.html:37 users/views/user.py:343
 msgid "Profile"
 msgstr "个人信息"
 
@@ -1876,7 +2021,7 @@ msgid "Logout"
 msgstr "注销登录"
 
 #: templates/_header_bar.html:49 users/templates/users/login.html:44
-#: users/templates/users/login.html:64
+#: users/templates/users/login.html:68
 msgid "Login"
 msgstr "登录"
 
@@ -1916,13 +2061,13 @@ msgstr "关闭"
 
 #: templates/_nav.html:10 users/views/group.py:28 users/views/group.py:44
 #: users/views/group.py:62 users/views/group.py:79 users/views/group.py:95
-#: users/views/login.py:241 users/views/login.py:289 users/views/user.py:64
-#: users/views/user.py:79 users/views/user.py:99 users/views/user.py:155
-#: users/views/user.py:310 users/views/user.py:357 users/views/user.py:379
+#: users/views/login.py:330 users/views/login.py:388 users/views/user.py:65
+#: users/views/user.py:80 users/views/user.py:102 users/views/user.py:175
+#: users/views/user.py:330 users/views/user.py:380 users/views/user.py:415
 msgid "Users"
 msgstr "用户管理"
 
-#: templates/_nav.html:13 users/views/user.py:65
+#: templates/_nav.html:13 users/views/user.py:66
 msgid "User list"
 msgstr "用户列表"
 
@@ -1950,11 +2095,10 @@ msgstr "命令记录"
 msgid "Web terminal"
 msgstr "Web终端"
 
-#: templates/_nav.html:51 terminal/templates/terminal/session_list.html:75
-#: terminal/views/command.py:47 terminal/views/session.py:75
-#: terminal/views/session.py:93 terminal/views/session.py:115
-#: terminal/views/terminal.py:31 terminal/views/terminal.py:46
-#: terminal/views/terminal.py:58
+#: templates/_nav.html:51 terminal/views/command.py:47
+#: terminal/views/session.py:75 terminal/views/session.py:93
+#: terminal/views/session.py:115 terminal/views/terminal.py:31
+#: terminal/views/terminal.py:46 terminal/views/terminal.py:58
 msgid "Terminal"
 msgstr "终端管理"
 
@@ -2033,26 +2177,26 @@ msgstr "线程数"
 msgid "Boot Time"
 msgstr "运行时间"
 
-#: terminal/models.py:128 terminal/templates/terminal/session_list.html:102
+#: terminal/models.py:132 terminal/templates/terminal/session_list.html:104
 msgid "Replay"
 msgstr "回放"
 
-#: terminal/models.py:129 terminal/templates/terminal/command_list.html:55
+#: terminal/models.py:133 terminal/templates/terminal/command_list.html:55
 #: terminal/templates/terminal/command_list.html:71
 #: terminal/templates/terminal/session_detail.html:48
-#: terminal/templates/terminal/session_list.html:76
+#: terminal/templates/terminal/session_list.html:77
 msgid "Command"
 msgstr "命令"
 
-#: terminal/models.py:131
+#: terminal/models.py:136
 msgid "Date last active"
 msgstr "最后活跃日期"
 
-#: terminal/models.py:133
+#: terminal/models.py:138
 msgid "Date end"
 msgstr "结束日期"
 
-#: terminal/models.py:150
+#: terminal/models.py:155
 msgid "Args"
 msgstr "参数"
 
@@ -2091,23 +2235,28 @@ msgstr "监控"
 msgid "Terminate session"
 msgstr "终止会话"
 
-#: terminal/templates/terminal/session_list.html:79
+#: terminal/templates/terminal/session_list.html:76
+msgid "Login from"
+msgstr "登录来源"
+
+#: terminal/templates/terminal/session_list.html:80
 msgid "Duration"
 msgstr "时长"
 
-#: terminal/templates/terminal/session_list.html:104
+#: terminal/templates/terminal/session_list.html:106
 msgid "Monitor"
 msgstr "监控"
 
-#: terminal/templates/terminal/session_list.html:105
+#: terminal/templates/terminal/session_list.html:108
+#: terminal/templates/terminal/session_list.html:110
 msgid "Terminate"
 msgstr "终断"
 
-#: terminal/templates/terminal/session_list.html:116
+#: terminal/templates/terminal/session_list.html:122
 msgid "Terminate selected"
 msgstr "终断所选"
 
-#: terminal/templates/terminal/session_list.html:136
+#: terminal/templates/terminal/session_list.html:142
 msgid "Terminate task send, waiting ..."
 msgstr "终断任务已发送，请等待"
 
@@ -2177,6 +2326,10 @@ msgid ""
 "You should use your ssh client tools connect terminal: {} <br /> <br />{}"
 msgstr "你可以使用ssh客户端工具连接终端"
 
+#: users/api.py:208 users/templates/users/login.html:50
+msgid "Log in frequently and try again later"
+msgstr "登录频繁, 稍后重试"
+
 #: users/authentication.py:56
 msgid "Invalid signature header. No credentials provided."
 msgstr ""
@@ -2228,11 +2381,11 @@ msgstr ""
 msgid "Invalid token or cache refreshed."
 msgstr ""
 
-#: users/forms.py:30
+#: users/forms.py:39
 msgid "MFA code"
 msgstr "MFA 验证码"
 
-#: users/forms.py:41 users/models/user.py:52
+#: users/forms.py:50 users/models/user.py:59
 #: users/templates/users/_select_user_modal.html:15
 #: users/templates/users/user_detail.html:87
 #: users/templates/users/user_list.html:25
@@ -2240,31 +2393,31 @@ msgstr "MFA 验证码"
 msgid "Role"
 msgstr "角色"
 
-#: users/forms.py:44 users/forms.py:193
+#: users/forms.py:53 users/forms.py:202
 msgid "ssh public key"
 msgstr "ssh公钥"
 
-#: users/forms.py:45 users/forms.py:194
+#: users/forms.py:54 users/forms.py:203
 msgid "ssh-rsa AAAA..."
 msgstr ""
 
-#: users/forms.py:46
+#: users/forms.py:55
 msgid "Paste user id_rsa.pub here."
 msgstr "复制用户公钥到这里"
 
-#: users/forms.py:64 users/templates/users/user_detail.html:196
+#: users/forms.py:73 users/templates/users/user_detail.html:200
 msgid "Join user groups"
 msgstr "添加到用户组"
 
-#: users/forms.py:75 users/forms.py:208
+#: users/forms.py:84 users/forms.py:217
 msgid "Public key should not be the same as your old one."
 msgstr "不能和原来的密钥相同"
 
-#: users/forms.py:79 users/forms.py:212 users/serializers.py:45
+#: users/forms.py:88 users/forms.py:221 users/serializers.py:48
 msgid "Not a valid ssh public key"
 msgstr "ssh密钥不合法"
 
-#: users/forms.py:119
+#: users/forms.py:128
 msgid ""
 "Tip: when enabled, you will enter the MFA binding process the next time you "
 "log in. you can also directly bind in \"personal information -> quick "
@@ -2273,16 +2426,17 @@ msgstr ""
 "提示：启用之后您将会在下次登录时进入MFA绑定流程；您也可以在（个人信息->快速修"
 "改->更改MFA设置）中直接绑定!"
 
-#: users/forms.py:129
+#: users/forms.py:138
 msgid "* Enable MFA authentication to make the account more secure."
 msgstr "* 启用MFA认证，使账号更加安全."
 
-#: users/forms.py:134 users/models/user.py:64
+#: users/forms.py:143 users/models/authentication.py:75 users/models/user.py:71
 #: users/templates/users/first_login.html:45
+#: users/templates/users/login_log_list.html:54
 msgid "MFA"
 msgstr "MFA"
 
-#: users/forms.py:139
+#: users/forms.py:148
 msgid ""
 "In order to protect you and your company, please keep your account, password "
 "and key sensitive information properly. (for example: setting complex "
@@ -2291,42 +2445,43 @@ msgstr ""
 "为了保护您和公司的安全，请妥善保管您的账户、密码和密钥等重要敏感信息；（如："
 "设置复杂密码，启用MFA认证）"
 
-#: users/forms.py:146 users/templates/users/first_login.html:48
-#: users/templates/users/first_login.html:110
+#: users/forms.py:155 users/templates/users/first_login.html:48
+#: users/templates/users/first_login.html:107
+#: users/templates/users/first_login.html:130
 msgid "Finish"
 msgstr "完成"
 
-#: users/forms.py:152
+#: users/forms.py:161
 msgid "Old password"
 msgstr "原来密码"
 
-#: users/forms.py:157
+#: users/forms.py:166
 msgid "New password"
 msgstr "新密码"
 
-#: users/forms.py:162
+#: users/forms.py:171
 msgid "Confirm password"
 msgstr "确认密码"
 
-#: users/forms.py:172
+#: users/forms.py:181
 msgid "Old password error"
 msgstr "原来密码错误"
 
-#: users/forms.py:180
+#: users/forms.py:189
 msgid "Password does not match"
 msgstr "密码不一致"
 
-#: users/forms.py:191
+#: users/forms.py:200
 msgid "Automatically configure and download the SSH key"
 msgstr "自动配置并下载SSH密钥"
 
-#: users/forms.py:195
+#: users/forms.py:204
 msgid "Paste your id_rsa.pub here."
 msgstr "复制你的公钥到这里"
 
-#: users/forms.py:223 users/models/user.py:72
+#: users/forms.py:232 users/models/user.py:79
 #: users/templates/users/first_login.html:42
-#: users/templates/users/user_password_update.html:43
+#: users/templates/users/user_password_update.html:45
 #: users/templates/users/user_profile.html:68
 #: users/templates/users/user_profile_update.html:43
 #: users/templates/users/user_pubkey_update.html:43
@@ -2337,63 +2492,99 @@ msgstr "ssh公钥"
 msgid "Private Token"
 msgstr "ssh密钥"
 
-#: users/models/authentication.py:46
+#: users/models/authentication.py:50 users/templates/users/user_detail.html:98
+msgid "Disabled"
+msgstr "禁用"
+
+#: users/models/authentication.py:52 users/models/authentication.py:60
+msgid "-"
+msgstr ""
+
+#: users/models/authentication.py:61
+msgid "Username/password check failed"
+msgstr "用户名/密码 校验失败"
+
+#: users/models/authentication.py:62
+msgid "MFA authentication failed"
+msgstr "MFA 认证失败"
+
+#: users/models/authentication.py:67
+msgid "Failed"
+msgstr "失败"
+
+#: users/models/authentication.py:71
 msgid "Login type"
 msgstr "登录方式"
 
-#: users/models/authentication.py:47
+#: users/models/authentication.py:72
 msgid "Login ip"
 msgstr "登录IP"
 
-#: users/models/authentication.py:48
+#: users/models/authentication.py:73
 msgid "Login city"
 msgstr "登录城市"
 
-#: users/models/authentication.py:49
+#: users/models/authentication.py:74
 msgid "User agent"
 msgstr "Agent"
 
-#: users/models/authentication.py:50
+#: users/models/authentication.py:76
+#: users/templates/users/login_log_list.html:55
+msgid "Reason"
+msgstr "原因"
+
+#: users/models/authentication.py:77
+#: users/templates/users/login_log_list.html:56
+msgid "Status"
+msgstr "状态"
+
+#: users/models/authentication.py:78
 msgid "Date login"
 msgstr "登录日期"
 
-#: users/models/user.py:29 users/models/user.py:326
+#: users/models/user.py:30 users/models/user.py:341
 msgid "Administrator"
 msgstr "管理员"
 
-#: users/models/user.py:31
+#: users/models/user.py:32
 msgid "Application"
 msgstr "应用程序"
 
-#: users/models/user.py:34 users/templates/users/user_profile.html:92
-#: users/templates/users/user_profile.html:156
-#: users/templates/users/user_profile.html:159
+#: users/models/user.py:35 users/templates/users/user_profile.html:92
+#: users/templates/users/user_profile.html:163
+#: users/templates/users/user_profile.html:166
 msgid "Disable"
 msgstr "禁用"
 
-#: users/models/user.py:35 users/templates/users/user_profile.html:90
-#: users/templates/users/user_profile.html:163
+#: users/models/user.py:36 users/templates/users/user_profile.html:90
+#: users/templates/users/user_profile.html:170
 msgid "Enable"
 msgstr "启用"
 
-#: users/models/user.py:36 users/templates/users/user_profile.html:88
+#: users/models/user.py:37 users/templates/users/user_profile.html:88
 msgid "Force enable"
 msgstr "强制启用"
 
-#: users/models/user.py:44 users/templates/users/user_detail.html:71
+#: users/models/user.py:51 users/templates/users/user_detail.html:71
 #: users/templates/users/user_profile.html:59
 msgid "Email"
 msgstr "邮件"
 
-#: users/models/user.py:55
+#: users/models/user.py:62
 msgid "Avatar"
 msgstr "头像"
 
-#: users/models/user.py:58 users/templates/users/user_detail.html:82
+#: users/models/user.py:65 users/templates/users/user_detail.html:82
 msgid "Wechat"
 msgstr "微信"
 
-#: users/models/user.py:329
+#: users/models/user.py:94 users/templates/users/user_detail.html:103
+#: users/templates/users/user_list.html:27
+#: users/templates/users/user_profile.html:100
+msgid "Source"
+msgstr "用户来源"
+
+#: users/models/user.py:344
 msgid "Administrator is the super user of system"
 msgstr "Administrator是初始的超级管理员"
 
@@ -2443,11 +2634,15 @@ msgstr "首次登陆"
 msgid "I agree with the terms and conditions."
 msgstr "我同意条款和条件"
 
-#: users/templates/users/first_login.html:100
+#: users/templates/users/first_login.html:73
+msgid "Please choose the terms and conditions."
+msgstr "请选择同意条款和条件"
+
+#: users/templates/users/first_login.html:101
 msgid "Previous"
 msgstr "上一步"
 
-#: users/templates/users/first_login.html:108
+#: users/templates/users/first_login.html:105
 #: users/templates/users/login_otp.html:66
 #: users/templates/users/user_otp_authentication.html:22
 #: users/templates/users/user_otp_enable_bind.html:19
@@ -2469,7 +2664,7 @@ msgid " for more information"
 msgstr "获取更多信息"
 
 #: users/templates/users/forgot_password.html:26
-#: users/templates/users/login.html:73
+#: users/templates/users/login.html:77
 msgid "Forgot password"
 msgstr "忘记密码"
 
@@ -2477,7 +2672,7 @@ msgstr "忘记密码"
 msgid "Input your email, that will send a mail to your"
 msgstr "输入您的邮箱, 将会发一封重置邮件到您的邮箱中"
 
-#: users/templates/users/login.html:50
+#: users/templates/users/login.html:53
 msgid "Captcha invalid"
 msgstr "验证码错误"
 
@@ -2505,22 +2700,34 @@ msgstr "6位数字"
 msgid "Can't provide security? Please contact the administrator!"
 msgstr "如果不能提供MFA验证码，请联系管理员!"
 
-#: users/templates/users/reset_password.html:45
-#: users/templates/users/user_detail.html:348 users/utils.py:73
+#: users/templates/users/reset_password.html:46
+#: users/templates/users/user_detail.html:352 users/utils.py:80
 msgid "Reset password"
 msgstr "重置密码"
 
-#: users/templates/users/reset_password.html:55
+#: users/templates/users/reset_password.html:59
+#: users/templates/users/user_password_update.html:60
+#: users/templates/users/user_update.html:12
+msgid "Your password must satisfy"
+msgstr "您的密码必须满足："
+
+#: users/templates/users/reset_password.html:60
+#: users/templates/users/user_password_update.html:61
+#: users/templates/users/user_update.html:13
+msgid "Password strength"
+msgstr "密码强度："
+
+#: users/templates/users/reset_password.html:66
 msgid "Password again"
 msgstr "再次输入密码"
 
-#: users/templates/users/reset_password.html:57
+#: users/templates/users/reset_password.html:68
 #: users/templates/users/user_profile.html:20
 msgid "Setting"
 msgstr "设置"
 
 #: users/templates/users/user_create.html:4
-#: users/templates/users/user_list.html:16 users/views/user.py:79
+#: users/templates/users/user_list.html:16 users/views/user.py:80
 msgid "Create user"
 msgstr "创建用户"
 
@@ -2529,7 +2736,7 @@ msgid "Reset link will be generated and sent to the user. "
 msgstr "生成重置密码连接，通过邮件发送给用户"
 
 #: users/templates/users/user_detail.html:19
-#: users/templates/users/user_granted_asset.html:18 users/views/user.py:156
+#: users/templates/users/user_granted_asset.html:18 users/views/user.py:176
 msgid "User detail"
 msgstr "用户详情"
 
@@ -2544,67 +2751,63 @@ msgstr "授权的资产"
 msgid "Force enabled"
 msgstr "强制启用"
 
-#: users/templates/users/user_detail.html:98
-msgid "Disabled"
-msgstr "禁用"
-
-#: users/templates/users/user_detail.html:115
-#: users/templates/users/user_profile.html:101
+#: users/templates/users/user_detail.html:119
+#: users/templates/users/user_profile.html:108
 msgid "Last login"
 msgstr "最后登录"
 
-#: users/templates/users/user_detail.html:151
+#: users/templates/users/user_detail.html:155
 msgid "Force enabled MFA"
 msgstr "强制启用MFA"
 
-#: users/templates/users/user_detail.html:166
+#: users/templates/users/user_detail.html:170
 msgid "Send reset password mail"
 msgstr "发送重置密码邮件"
 
-#: users/templates/users/user_detail.html:169
-#: users/templates/users/user_detail.html:177
+#: users/templates/users/user_detail.html:173
+#: users/templates/users/user_detail.html:181
 msgid "Send"
 msgstr "发送"
 
-#: users/templates/users/user_detail.html:174
+#: users/templates/users/user_detail.html:178
 msgid "Send reset ssh key mail"
 msgstr "发送重置密钥邮件"
 
-#: users/templates/users/user_detail.html:291
+#: users/templates/users/user_detail.html:295
 msgid "Goto profile page enable MFA"
 msgstr "请去个人信息页面启用自己的MFA"
 
-#: users/templates/users/user_detail.html:347
+#: users/templates/users/user_detail.html:351
 msgid "An e-mail has been sent to the user`s mailbox."
 msgstr "已发送邮件到用户邮箱"
 
-#: users/templates/users/user_detail.html:358
+#: users/templates/users/user_detail.html:362
 msgid "This will reset the user password and send a reset mail"
 msgstr "将失效用户当前密码，并发送重设密码邮件到用户邮箱"
 
-#: users/templates/users/user_detail.html:372
+#: users/templates/users/user_detail.html:376
 msgid ""
 "The reset-ssh-public-key E-mail has been sent successfully. Please inform "
 "the user to update his new ssh public key."
 msgstr "重设密钥邮件将会发送到用户邮箱"
 
-#: users/templates/users/user_detail.html:373
+#: users/templates/users/user_detail.html:377
 msgid "Reset SSH public key"
 msgstr "重置SSH密钥"
 
-#: users/templates/users/user_detail.html:383
+#: users/templates/users/user_detail.html:387
 msgid "This will reset the user public key and send a reset mail"
 msgstr "将会失效用户当前密钥，并发送重置邮件到用户邮箱"
 
-#: users/templates/users/user_detail.html:400
-#: users/templates/users/user_profile.html:204
+#: users/templates/users/user_detail.html:404
+#: users/templates/users/user_profile.html:211
 msgid "Successfully updated the SSH public key."
 msgstr "更新ssh密钥成功"
 
-#: users/templates/users/user_detail.html:401
 #: users/templates/users/user_detail.html:405
-#: users/templates/users/user_profile.html:205
-#: users/templates/users/user_profile.html:210
+#: users/templates/users/user_detail.html:409
+#: users/templates/users/user_profile.html:212
+#: users/templates/users/user_profile.html:217
 msgid "User SSH public key update"
 msgstr "ssh密钥"
 
@@ -2643,45 +2846,49 @@ msgstr "用户组删除"
 msgid "UserGroup Deleting failed."
 msgstr "用户组删除失败"
 
-#: users/templates/users/user_list.html:192
+#: users/templates/users/user_list.html:196
 msgid "This will delete the selected users !!!"
 msgstr "删除选中用户 !!!"
 
-#: users/templates/users/user_list.html:200
+#: users/templates/users/user_list.html:204
 msgid "User Deleted."
 msgstr "已被删除"
 
-#: users/templates/users/user_list.html:201
-#: users/templates/users/user_list.html:206
+#: users/templates/users/user_list.html:205
+#: users/templates/users/user_list.html:210
 msgid "User Delete"
 msgstr "删除"
 
-#: users/templates/users/user_list.html:205
+#: users/templates/users/user_list.html:209
 msgid "User Deleting failed."
 msgstr "用户删除失败"
 
-#: users/templates/users/user_profile.html:109 users/views/user.py:185
-#: users/views/user.py:239
+#: users/templates/users/user_profile.html:95
+msgid "Administrator Settings force MFA login"
+msgstr "管理员设置强制使用MFA登录"
+
+#: users/templates/users/user_profile.html:116 users/views/user.py:205
+#: users/views/user.py:259
 msgid "User groups"
 msgstr "用户组"
 
-#: users/templates/users/user_profile.html:141
+#: users/templates/users/user_profile.html:148
 msgid "Update password"
 msgstr "更改密码"
 
-#: users/templates/users/user_profile.html:149
+#: users/templates/users/user_profile.html:156
 msgid "Update MFA settings"
 msgstr "更改MFA设置"
 
-#: users/templates/users/user_profile.html:170
+#: users/templates/users/user_profile.html:177
 msgid "Update SSH public key"
 msgstr "更改SSH密钥"
 
-#: users/templates/users/user_profile.html:178
+#: users/templates/users/user_profile.html:185
 msgid "Reset public key and download"
 msgstr "重置并下载SSH密钥"
 
-#: users/templates/users/user_profile.html:208
+#: users/templates/users/user_profile.html:215
 msgid "Failed to update SSH public key."
 msgstr "更新密钥失败"
 
@@ -2701,15 +2908,21 @@ msgstr "更新密钥"
 msgid "Or reset by server"
 msgstr "或者重置并下载密钥"
 
-#: users/templates/users/user_update.html:4 users/views/user.py:99
+#: users/templates/users/user_pubkey_update.html:94
+msgid ""
+"The new public key has been set successfully, Please download the "
+"corresponding private key."
+msgstr "新的公钥已设置成功，请下载对应的私钥"
+
+#: users/templates/users/user_update.html:4 users/views/user.py:103
 msgid "Update user"
 msgstr "更新用户"
 
-#: users/utils.py:37
+#: users/utils.py:41
 msgid "Create account successfully"
 msgstr "创建账户成功"
 
-#: users/utils.py:39
+#: users/utils.py:43
 #, python-format
 msgid ""
 "\n"
@@ -2717,6 +2930,8 @@ msgid ""
 "    </br>\n"
 "    Your account has been created successfully\n"
 "    </br>\n"
+"    Username: %(username)s\n"
+"    </br>\n"
 "    <a href=\"%(rest_password_url)s?token=%(rest_password_token)s\">click "
 "here to set your password</a>\n"
 "    </br>\n"
@@ -2736,6 +2951,8 @@ msgstr ""
 "    你好 %(name)s:\n"
 "    </br>\n"
 "    恭喜您，您的账号已经创建成功    </br>\n"
+"    用户名: %(username)s\n"
+"    </br>\n"
 "     <a href=\"%(rest_password_url)s?token=%(rest_password_token)s\">请点击这"
 "里设置密码</a>    </br>\n"
 "    这个链接有效期1小时, 超过时间您可以 <a href=\"%(forget_password_url)s?"
@@ -2750,7 +2967,7 @@ msgstr ""
 "    </br>\n"
 "    "
 
-#: users/utils.py:75
+#: users/utils.py:82
 #, python-format
 msgid ""
 "\n"
@@ -2794,11 +3011,11 @@ msgstr ""
 "    </br>\n"
 "    "
 
-#: users/utils.py:106
+#: users/utils.py:113
 msgid "SSH Key Reset"
 msgstr "重置ssh密钥"
 
-#: users/utils.py:108
+#: users/utils.py:115
 #, python-format
 msgid ""
 "\n"
@@ -2823,18 +3040,22 @@ msgstr ""
 "    </br>\n"
 "    "
 
-#: users/utils.py:141
+#: users/utils.py:148
 msgid "User not exist"
 msgstr "用户不存在"
 
-#: users/utils.py:143
+#: users/utils.py:150
 msgid "Disabled or expired"
 msgstr "禁用或失效"
 
-#: users/utils.py:156
+#: users/utils.py:163
 msgid "Password or SSH public key invalid"
 msgstr "密码或密钥不合法"
 
+#: users/utils.py:289 users/utils.py:299
+msgid "Bit"
+msgstr " 位"
+
 #: users/views/group.py:29
 msgid "User group list"
 msgstr "用户组列表"
@@ -2847,105 +3068,106 @@ msgstr "更新用户组"
 msgid "User group granted asset"
 msgstr "用户组授权资产"
 
-#: users/views/login.py:56
+#: users/views/login.py:75
 msgid "Please enable cookies and try again."
 msgstr "设置你的浏览器支持cookie"
 
-#: users/views/login.py:107 users/views/user.py:464 users/views/user.py:489
+#: users/views/login.py:178 users/views/user.py:500 users/views/user.py:525
 msgid "MFA code invalid"
 msgstr "MFA码认证失败"
 
-#: users/views/login.py:133
+#: users/views/login.py:207
 msgid "Logout success"
 msgstr "退出登录成功"
 
-#: users/views/login.py:134
+#: users/views/login.py:208
 msgid "Logout success, return login page"
 msgstr "退出登录成功，返回到登录页面"
 
-#: users/views/login.py:150
+#: users/views/login.py:224
 msgid "Email address invalid, please input again"
 msgstr "邮箱地址错误，重新输入"
 
-#: users/views/login.py:163
+#: users/views/login.py:237
 msgid "Send reset password message"
 msgstr "发送重置密码邮件"
 
-#: users/views/login.py:164
+#: users/views/login.py:238
 msgid "Send reset password mail success, login your mail box and follow it "
 msgstr ""
 "发送重置邮件成功, 请登录邮箱查看, 按照提示操作 (如果没收到,请等待3-5分钟)"
 
-#: users/views/login.py:177
+#: users/views/login.py:251
 msgid "Reset password success"
 msgstr "重置密码成功"
 
-#: users/views/login.py:178
+#: users/views/login.py:252
 msgid "Reset password success, return to login page"
 msgstr "重置密码成功，返回到登录页面"
 
-#: users/views/login.py:195 users/views/login.py:208
+#: users/views/login.py:273 users/views/login.py:286
 msgid "Token invalid or expired"
 msgstr "Token错误或失效"
 
-#: users/views/login.py:204
+#: users/views/login.py:282
 msgid "Password not same"
 msgstr "密码不一致"
 
-#: users/views/login.py:241
+#: users/views/login.py:292 users/views/user.py:118 users/views/user.py:398
+msgid "* Your password does not meet the requirements"
+msgstr "* 您的密码不符合要求"
+
+#: users/views/login.py:330
 msgid "First login"
 msgstr "首次登陆"
 
-#: users/views/login.py:290
+#: users/views/login.py:389
 msgid "Login log list"
 msgstr "登录日志"
 
-#: users/views/user.py:109
+#: users/views/user.py:129
 msgid "Bulk update user success"
 msgstr "批量更新用户成功"
 
-#: users/views/user.py:214
+#: users/views/user.py:234
 msgid "Invalid file."
 msgstr "文件不合法"
 
-#: users/views/user.py:311
+#: users/views/user.py:331
 msgid "User granted assets"
 msgstr "用户授权资产"
 
-#: users/views/user.py:340
+#: users/views/user.py:362
 msgid "Profile setting"
 msgstr "个人信息设置"
 
-#: users/views/user.py:358
+#: users/views/user.py:381
 msgid "Password update"
 msgstr "密码更新"
 
-#: users/views/user.py:380
+#: users/views/user.py:416
 msgid "Public key update"
 msgstr "密钥更新"
 
-#: users/views/user.py:421
+#: users/views/user.py:457
 msgid "Password invalid"
 msgstr "用户名或密码无效"
 
-#: users/views/user.py:515
+#: users/views/user.py:551
 msgid "MFA enable success"
 msgstr "MFA 绑定成功"
 
-#: users/views/user.py:516
+#: users/views/user.py:552
 msgid "MFA enable success, return login page"
 msgstr "MFA 绑定成功，返回到登录页面"
 
-#: users/views/user.py:518
+#: users/views/user.py:554
 msgid "MFA disable success"
 msgstr "MFA 解绑成功"
 
-#: users/views/user.py:519
+#: users/views/user.py:555
 msgid "MFA disable success, return login page"
 msgstr "MFA 解绑成功，返回登录页面"
 
-#~ msgid "Step"
-#~ msgstr "Step"
-
-#~ msgid "Add asset"
-#~ msgstr "添加资产到节点"
+#~ msgid "MFA setting"
+#~ msgstr "MFA 设置"
diff --git a/apps/jumpserver/settings.py b/apps/jumpserver/settings.py
index 0afcd4e72..c0a536276 100644
--- a/apps/jumpserver/settings.py
+++ b/apps/jumpserver/settings.py
@@ -229,7 +229,11 @@ LOGGING = {
         'django_auth_ldap': {
             'handlers': ['console', 'ansible_logs'],
             'level': "INFO",
-        }
+        },
+        # 'django.db': {
+        #     'handlers': ['console', 'file'],
+        #     'level': 'DEBUG'
+        # }
     }
 }
 
@@ -329,6 +333,9 @@ AUTH_LDAP_GROUP_SEARCH_FILTER = CONFIG.AUTH_LDAP_GROUP_SEARCH_FILTER
 AUTH_LDAP_GROUP_SEARCH = LDAPSearch(
     AUTH_LDAP_GROUP_SEARCH_OU, ldap.SCOPE_SUBTREE, AUTH_LDAP_GROUP_SEARCH_FILTER
 )
+AUTH_LDAP_CONNECTION_OPTIONS = {
+    ldap.OPT_TIMEOUT: 5
+}
 AUTH_LDAP_ALWAYS_UPDATE_USER = True
 AUTH_LDAP_BACKEND = 'django_auth_ldap.backend.LDAPBackend'
 
@@ -336,10 +343,11 @@ if AUTH_LDAP:
     AUTHENTICATION_BACKENDS.insert(0, AUTH_LDAP_BACKEND)
 
 # Celery using redis as broker
-CELERY_BROKER_URL = 'redis://:%(password)s@%(host)s:%(port)s/3' % {
+CELERY_BROKER_URL = 'redis://:%(password)s@%(host)s:%(port)s/%(db)s' % {
     'password': CONFIG.REDIS_PASSWORD if CONFIG.REDIS_PASSWORD else '',
     'host': CONFIG.REDIS_HOST or '127.0.0.1',
     'port': CONFIG.REDIS_PORT or 6379,
+    'db':CONFIG.REDIS_DB_CELERY_BROKER or 3,
 }
 CELERY_TASK_SERIALIZER = 'pickle'
 CELERY_RESULT_SERIALIZER = 'pickle'
@@ -360,10 +368,11 @@ CELERY_WORKER_HIJACK_ROOT_LOGGER = False
 CACHES = {
     'default': {
         'BACKEND': 'redis_cache.RedisCache',
-        'LOCATION': 'redis://:%(password)s@%(host)s:%(port)s/4' % {
+        'LOCATION': 'redis://:%(password)s@%(host)s:%(port)s/%(db)s' % {
             'password': CONFIG.REDIS_PASSWORD if CONFIG.REDIS_PASSWORD else '',
             'host': CONFIG.REDIS_HOST or '127.0.0.1',
             'port': CONFIG.REDIS_PORT or 6379,
+            'db':CONFIG.REDIS_DB_CACHE or 4,
         }
     }
 }
@@ -394,6 +403,11 @@ TERMINAL_REPLAY_STORAGE = {
     },
 }
 
+
+DEFAULT_PASSWORD_MIN_LENGTH = 6
+DEFAULT_LOGIN_LIMIT_COUNT = 3
+DEFAULT_LOGIN_LIMIT_TIME = 30
+
 # Django bootstrap3 setting, more see http://django-bootstrap3.readthedocs.io/en/latest/settings.html
 BOOTSTRAP3 = {
     'horizontal_label_class': 'col-md-2',
diff --git a/apps/ops/api.py b/apps/ops/api.py
index 0134fbd4a..35c9b8dc5 100644
--- a/apps/ops/api.py
+++ b/apps/ops/api.py
@@ -72,7 +72,7 @@ class CeleryTaskLogApi(generics.RetrieveAPIView):
 
     def get(self, request, *args, **kwargs):
         mark = request.query_params.get("mark") or str(uuid.uuid4())
-        task = super().get_object()
+        task = self.get_object()
         log_path = task.full_log_path
 
         if not log_path or not os.path.isfile(log_path):
diff --git a/apps/ops/inventory.py b/apps/ops/inventory.py
index 6230e8167..7ed89e75c 100644
--- a/apps/ops/inventory.py
+++ b/apps/ops/inventory.py
@@ -86,13 +86,14 @@ class JMSInventory(BaseInventory):
         gateway = asset.domain.random_gateway()
         proxy_command_list = [
             "ssh", "-p", str(gateway.port),
+            "-o", "StrictHostKeyChecking=no",
             "{}@{}".format(gateway.username, gateway.ip),
             "-W", "%h:%p", "-q",
         ]
 
         if gateway.password:
             proxy_command_list.insert(
-                0, "sshpass -p {}".format(gateway.password)
+                0, "sshpass -p '{}'".format(gateway.password)
             )
         if gateway.private_key:
             proxy_command_list.append("-i {}".format(gateway.private_key_file))
diff --git a/apps/ops/templates/ops/adhoc_history_detail.html b/apps/ops/templates/ops/adhoc_history_detail.html
index 16adbc4e3..b8a48d4e5 100644
--- a/apps/ops/templates/ops/adhoc_history_detail.html
+++ b/apps/ops/templates/ops/adhoc_history_detail.html
@@ -19,7 +19,7 @@
                                 <a href="{% url 'ops:adhoc-history-detail' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history detail' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/celery_task_log.html b/apps/ops/templates/ops/celery_task_log.html
index 9b0826949..13885c2cc 100644
--- a/apps/ops/templates/ops/celery_task_log.html
+++ b/apps/ops/templates/ops/celery_task_log.html
@@ -2,38 +2,25 @@
 <head>
     <title>term.js</title>
     <script src="{% static 'js/jquery-2.1.1.js' %}"></script>
+    <script src="{% static 'js/plugins/xterm/xterm.js' %}"></script>
+    <link rel="stylesheet" href="{% static 'js/plugins/xterm/xterm.css' %}" />
     <style>
-      html {
-        background: #000;
-      }
-      h1 {
-        margin-bottom: 20px;
-        font: 20px/1.5 sans-serif;
-      }
-      .terminal {
-        float: left;
-        font-family: 'Monaco', 'Consolas', "DejaVu Sans Mono", "Liberation Mono", monospace;
-        font-size: 12px;
-        color: #f0f0f0;
-        background-color: #555;
-        padding: 20px 20px 20px;
-      }
-      .terminal-cursor {
-        color: #000;
-        background: #f0f0f0;
-      }
+        body {
+            background-color: black;
+        }
+        .xterm-rows {
+            {#padding: 15px;#}
+            font-family: "Bitstream Vera Sans Mono", Monaco, "Consolas", Courier, monospace;
+            font-size: 13px;
+        }
     </style>
 </head>
-<div class="container">
-    <div id="term">
+    <div id="term" style="height: 100%;width: 100%">
     </div>
-</div>
 
-
-<script src="{% static 'js/term.js' %}"></script>
 <script>
-    var rowHeight = 1;
-    var colWidth = 1;
+    var rowHeight = 18;
+    var colWidth = 10;
     var mark = '';
     var url = "{% url 'api-ops:celery-task-log' pk=object.id %}";
     var term;
@@ -42,13 +29,16 @@
     var interval = 200;
 
     function calWinSize() {
-        var t = $('.terminal');
-        rowHeight = 1.00 * t.height() / 24;
-        colWidth = 1.00 * t.width() / 80;
+        var t = $('#marker');
+        {#rowHeight = 1.00 * t.height();#}
+        {#colWidth = 1.00 * t.width() / 6;#}
     }
     function resize() {
-       var rows = Math.floor(window.innerHeight / rowHeight) - 2;
-       var cols = Math.floor(window.innerWidth / colWidth) - 10;
+        {#console.log(rowHeight, window.innerHeight);#}
+        {#console.log(colWidth, window.innerWidth);#}
+       var rows = Math.floor(window.innerHeight / rowHeight) - 1;
+       var cols = Math.floor(window.innerWidth / colWidth) - 2;
+       console.log(rows, cols);
        term.resize(cols, rows);
     }
     function requestAndWrite() {
@@ -74,21 +64,18 @@
         }
     }
     $(document).ready(function () {
-        term = new Terminal({
-            cols: 80,
-            rows: 24,
-            useStyle: true,
-            screenKeys: false,
-            convertEol: false,
-            cursorBlink: false
-        });
-        term.open();
-        term.on('data', function (data) {
-            term.write(data.replace('\r', '\r\n'))
-        });
-        calWinSize();
+        term = new Terminal();
+        term.open(document.getElementById('term'));
+        term.resize(80, 24);
         resize();
-        $('.terminal').detach().appendTo('#term');
+        term.on('data', function (data) {
+            {#term.write(data.replace('\r', '\r\n'))#}
+            term.write(data);
+        });
+        window.onresize = function () {
+            resize()
+        };
+        {#$('.terminal').detach().appendTo('#term');#}
         setInterval(function () {
             requestAndWrite()
         }, interval)
diff --git a/apps/ops/templates/ops/task_adhoc.html b/apps/ops/templates/ops/task_adhoc.html
index 2762e3f8c..82c25e667 100644
--- a/apps/ops/templates/ops/task_adhoc.html
+++ b/apps/ops/templates/ops/task_adhoc.html
@@ -25,7 +25,7 @@
                                 <a href="{% url 'ops:task-history' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/task_detail.html b/apps/ops/templates/ops/task_detail.html
index f6e832bd7..cd39d0a2c 100644
--- a/apps/ops/templates/ops/task_detail.html
+++ b/apps/ops/templates/ops/task_detail.html
@@ -25,7 +25,7 @@
                                 <a href="{% url 'ops:task-history' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/task_history.html b/apps/ops/templates/ops/task_history.html
index 9604b3402..184987766 100644
--- a/apps/ops/templates/ops/task_history.html
+++ b/apps/ops/templates/ops/task_history.html
@@ -25,7 +25,7 @@
                                 <a href="{% url 'ops:task-history' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/task_list.html b/apps/ops/templates/ops/task_list.html
index 2b65c9e3e..1b18f206c 100644
--- a/apps/ops/templates/ops/task_list.html
+++ b/apps/ops/templates/ops/task_list.html
@@ -115,7 +115,7 @@ $(document).ready(function() {
     var success = function(data) {
         var task_id = data.task;
         var url = '{% url "ops:celery-task-log" pk=DEFAULT_PK %}'.replace("{{ DEFAULT_PK }}", task_id);
-        window.open(url, '', 'width=800,height=600')
+        window.open(url, '', 'width=800,height=600,left=400,top=400')
     };
     APIUpdateAttr({
         url: the_url,
diff --git a/apps/perms/api.py b/apps/perms/api.py
index be69d6158..40366a19b 100644
--- a/apps/perms/api.py
+++ b/apps/perms/api.py
@@ -6,7 +6,7 @@ from rest_framework.views import APIView, Response
 from rest_framework.generics import ListAPIView, get_object_or_404, RetrieveUpdateAPIView
 from rest_framework import viewsets
 
-from common.utils import set_or_append_attr_bulk
+from common.utils import set_or_append_attr_bulk, get_object_or_none
 from users.permissions import IsValidUser, IsSuperUser, IsSuperUserOrAppUser
 from .utils import AssetPermissionUtil
 from .models import AssetPermission
@@ -41,11 +41,11 @@ class AssetPermissionViewSet(viewsets.ModelViewSet):
             asset = get_object_or_404(Asset, pk=asset_id)
             permissions = set(queryset.filter(assets=asset))
             for node in asset.nodes.all():
-                inherit_nodes.update(set(node.ancestor_with_node))
+                inherit_nodes.update(set(node.get_ancestor(with_self=True)))
         elif node_id:
             node = get_object_or_404(Node, pk=node_id)
             permissions = set(queryset.filter(nodes=node))
-            inherit_nodes = node.ancestor
+            inherit_nodes = node.get_ancestor()
 
         for n in inherit_nodes:
             _permissions = queryset.filter(nodes=n)
@@ -70,11 +70,12 @@ class UserGrantedAssetsApi(ListAPIView):
         else:
             user = self.request.user
 
-        for k, v in AssetPermissionUtil.get_user_assets(user).items():
+        util = AssetPermissionUtil(user)
+        for k, v in util.get_assets().items():
             if k.is_unixlike():
-                system_users_granted = [s for s in v if s.protocol == 'ssh']
+                system_users_granted = [s for s in v if s.protocol in ['ssh', 'telnet']]
             else:
-                system_users_granted = [s for s in v if s.protocol == 'rdp']
+                system_users_granted = [s for s in v if s.protocol in ['rdp', 'telnet']]
             k.system_users_granted = system_users_granted
             queryset.append(k)
         return queryset
@@ -95,7 +96,8 @@ class UserGrantedNodesApi(ListAPIView):
             user = get_object_or_404(User, id=user_id)
         else:
             user = self.request.user
-        nodes = AssetPermissionUtil.get_user_nodes_with_assets(user)
+        util = AssetPermissionUtil(user)
+        nodes = util.get_nodes_with_assets()
         return nodes.keys()
 
     def get_permissions(self):
@@ -116,14 +118,15 @@ class UserGrantedNodesWithAssetsApi(ListAPIView):
         else:
             user = get_object_or_404(User, id=user_id)
 
-        nodes = AssetPermissionUtil.get_user_nodes_with_assets(user)
+        util = AssetPermissionUtil(user)
+        nodes = util.get_nodes_with_assets()
         for node, _assets in nodes.items():
             assets = _assets.keys()
             for k, v in _assets.items():
                 if k.is_unixlike():
-                    system_users_granted = [s for s in v if s.protocol == 'ssh']
+                    system_users_granted = [s for s in v if s.protocol in ['ssh', 'telnet']]
                 else:
-                    system_users_granted = [s for s in v if s.protocol == 'rdp']
+                    system_users_granted = [s for s in v if s.protocol in ['rdp', 'telnet']]
                 k.system_users_granted = system_users_granted
             node.assets_granted = assets
             queryset.append(node)
@@ -147,8 +150,9 @@ class UserGrantedNodeAssetsApi(ListAPIView):
             user = get_object_or_404(User, id=user_id)
         else:
             user = self.request.user
+        util = AssetPermissionUtil(user)
         node = get_object_or_404(Node, id=node_id)
-        nodes = AssetPermissionUtil.get_user_nodes_with_assets(user)
+        nodes = util.get_nodes_with_assets()
         assets = nodes.get(node, [])
         for asset, system_users in assets.items():
             asset.system_users_granted = system_users
@@ -172,7 +176,8 @@ class UserGroupGrantedAssetsApi(ListAPIView):
             return queryset
 
         user_group = get_object_or_404(UserGroup, id=user_group_id)
-        assets = AssetPermissionUtil.get_user_group_assets(user_group)
+        util = AssetPermissionUtil(user_group)
+        assets = util.get_assets()
         for k, v in assets.items():
             k.system_users_granted = v
             queryset.append(k)
@@ -189,7 +194,8 @@ class UserGroupGrantedNodesApi(ListAPIView):
 
         if group_id:
             group = get_object_or_404(UserGroup, id=group_id)
-            nodes = AssetPermissionUtil.get_user_group_nodes_with_assets(group)
+            util = AssetPermissionUtil(group)
+            nodes = util.get_nodes_with_assets()
             return nodes.keys()
         return queryset
 
@@ -206,7 +212,8 @@ class UserGroupGrantedNodesWithAssetsApi(ListAPIView):
             return queryset
 
         user_group = get_object_or_404(UserGroup, id=user_group_id)
-        nodes = AssetPermissionUtil.get_user_group_nodes_with_assets(user_group)
+        util = AssetPermissionUtil(user_group)
+        nodes = util.get_nodes_with_assets()
         for node, _assets in nodes.items():
             assets = _assets.keys()
             for asset, system_users in _assets.items():
@@ -226,7 +233,8 @@ class UserGroupGrantedNodeAssetsApi(ListAPIView):
 
         user_group = get_object_or_404(UserGroup, id=user_group_id)
         node = get_object_or_404(Node, id=node_id)
-        nodes = AssetPermissionUtil.get_user_group_nodes_with_assets(user_group)
+        util = AssetPermissionUtil(user_group)
+        nodes = util.get_nodes_with_assets()
         assets = nodes.get(node, [])
         for asset, system_users in assets.items():
             asset.system_users_granted = system_users
@@ -246,7 +254,8 @@ class ValidateUserAssetPermissionView(APIView):
         asset = get_object_or_404(Asset, id=asset_id)
         system_user = get_object_or_404(SystemUser, id=system_id)
 
-        assets_granted = AssetPermissionUtil.get_user_assets(user)
+        util = AssetPermissionUtil(user)
+        assets_granted = util.get_assets()
         if system_user in assets_granted.get(asset, []):
             return Response({'msg': True}, status=200)
         else:
diff --git a/apps/perms/models.py b/apps/perms/models.py
index 954cbe5f6..581b552b4 100644
--- a/apps/perms/models.py
+++ b/apps/perms/models.py
@@ -7,13 +7,23 @@ from django.utils import timezone
 from common.utils import date_expired_default, set_or_append_attr_bulk
 
 
-class ValidManager(models.Manager):
-    def get_queryset(self):
-        return super().get_queryset().filter(is_active=True) \
-            .filter(date_start__lt=timezone.now())\
+class AssetPermissionQuerySet(models.QuerySet):
+    def active(self):
+        return self.filter(is_active=True)
+
+    def valid(self):
+        return self.active().filter(date_start__lt=timezone.now())\
             .filter(date_expired__gt=timezone.now())
 
 
+class AssetPermissionManager(models.Manager):
+    def get_queryset(self):
+        return AssetPermissionQuerySet(self.model, using=self._db)
+
+    def valid(self):
+        return self.get_queryset().valid()
+
+
 class AssetPermission(models.Model):
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
     name = models.CharField(max_length=128, unique=True, verbose_name=_('Name'))
@@ -23,14 +33,13 @@ class AssetPermission(models.Model):
     nodes = models.ManyToManyField('assets.Node', related_name='granted_by_permissions', blank=True, verbose_name=_("Nodes"))
     system_users = models.ManyToManyField('assets.SystemUser', related_name='granted_by_permissions', verbose_name=_("System user"))
     is_active = models.BooleanField(default=True, verbose_name=_('Active'))
-    date_start = models.DateTimeField(default=timezone.now, verbose_name=_("Date start"))
-    date_expired = models.DateTimeField(default=date_expired_default, verbose_name=_('Date expired'))
+    date_start = models.DateTimeField(default=timezone.now, db_index=True, verbose_name=_("Date start"))
+    date_expired = models.DateTimeField(default=date_expired_default, db_index=True, verbose_name=_('Date expired'))
     created_by = models.CharField(max_length=128, blank=True, verbose_name=_('Created by'))
     date_created = models.DateTimeField(auto_now_add=True, verbose_name=_('Date created'))
     comment = models.TextField(verbose_name=_('Comment'), blank=True)
 
-    objects = models.Manager()
-    valid = ValidManager()
+    objects = AssetPermissionManager()
 
     def __str__(self):
         return self.name
diff --git a/apps/perms/serializers.py b/apps/perms/serializers.py
index baa823a6f..0f0419eff 100644
--- a/apps/perms/serializers.py
+++ b/apps/perms/serializers.py
@@ -9,7 +9,7 @@ from common.fields import StringManyToManyField
 class AssetPermissionCreateUpdateSerializer(serializers.ModelSerializer):
     class Meta:
         model = AssetPermission
-        exclude = ('id', 'created_by', 'date_created')
+        exclude = ('created_by', 'date_created')
 
 
 class AssetPermissionListSerializer(serializers.ModelSerializer):
diff --git a/apps/perms/templates/perms/asset_permission_create_update.html b/apps/perms/templates/perms/asset_permission_create_update.html
index 551aab142..2f9ebeeaf 100644
--- a/apps/perms/templates/perms/asset_permission_create_update.html
+++ b/apps/perms/templates/perms/asset_permission_create_update.html
@@ -50,7 +50,7 @@
                                 </div>
                             </div>
                             <div class="form-group {% if form.date_expired.errors or form.date_start.errors %} has-error {% endif %}" id="date_5">
-                                <label for="{{ form.date_expired.id_for_label }}" class="col-sm-2 control-label">{{ form.date_expired.label }}</label>
+                                <label for="{{ form.date_expired.id_for_label }}" class="col-sm-2 control-label">{% trans 'Validity period' %}</label>
                                 <div class="col-sm-9">
                                     <div class="input-daterange input-group" id="datepicker">
                                         <span class="input-group-addon"><i class="fa fa-calendar"></i></span>
diff --git a/apps/perms/templates/perms/asset_permission_list.html b/apps/perms/templates/perms/asset_permission_list.html
index eccef77a2..c18f12224 100644
--- a/apps/perms/templates/perms/asset_permission_list.html
+++ b/apps/perms/templates/perms/asset_permission_list.html
@@ -78,12 +78,12 @@ var zTree, table, show = 0;
 function onSelected(event, treeNode) {
     setCookie('node_selected', treeNode.id);
     var url = table.ajax.url();
-    if (treeNode.is_asset) {
-        url = setUrlParam(url, 'node', "");
-        url = setUrlParam(url, 'asset', treeNode.id)
-    } else {
+    if (treeNode.is_node) {
         url = setUrlParam(url, 'asset', "");
         url = setUrlParam(url, 'node', treeNode.id)
+    } else {
+        url = setUrlParam(url, 'node', "");
+        url = setUrlParam(url, 'asset', treeNode.id)
     }
     setCookie('node_selected', treeNode.id);
     table.ajax.url(url);
@@ -113,14 +113,14 @@ function filter(treeId, parentNode, childNodes) {
     $.each(childNodes, function (index, value) {
         value["pId"] = value["parent"];
         value["name"] = value["value"];
-        value["isParent"] = value["assets_amount"] !== 0;
-        value["iconSkin"] = value["is_asset"] ? "file" : null;
+        value["isParent"] = value["is_node"];
+        value["iconSkin"] = value["is_node"] ? null : 'file';
     });
     return childNodes;
 }
 
 function beforeAsync(treeId, treeNode) {
-	return true;
+    return treeNode.is_node
 }
 
 function makeLabel(data) {
@@ -226,7 +226,7 @@ function initTree() {
         },
         async: {
 			enable: true,
-			url: "{% url 'api-assets:node-children-2' %}?assets=1",
+			url: "{% url 'api-assets:node-children-2' %}?assets=1&all=",
 			autoParam:["id", "name=n", "level=lv"],
 			dataFilter: filter,
             type: 'get'
@@ -238,18 +238,19 @@ function initTree() {
     };
 
     var zNodes = [];
-    $.get("{% url 'api-assets:node-children-2' %}", function(data, status){
+    $.get("{% url 'api-assets:node-children-2' %}?assets=1&all=", function(data, status){
         $.each(data, function (index, value) {
             value["pId"] = value["parent"];
-            value["isParent"] = value["assets_amount"] !== 0;
             value["name"] = value["value"];
             value["open"] = value["key"] === "0";
+            value["isParent"] = value["is_node"];
+            value["iconSkin"] = value["is_node"] ? null : 'file';
         });
         zNodes = data;
         {#$.fn.zTree.init($("#assetTree"), setting);#}
         $.fn.zTree.init($("#assetTree"), setting, zNodes);
         zTree = $.fn.zTree.getZTreeObj("assetTree");
-        selectQueryNode();
+        {#selectQueryNode();#}
     });
 }
 
@@ -286,10 +287,10 @@ $(document).ready(function(){
     var _nodes = [];
     var _assets = [];
     $.each(nodes, function (id, node) {
-        if (node.is_asset) {
-            _assets.push(node.id)
-        } else {
+        if (node.is_node) {
             _nodes.push(node.id)
+        } else {
+            _assets.push(node.id)
         }
     });
     url += "?assets=" + _assets.join(",") + "&nodes=" + _nodes.join(",");
@@ -303,6 +304,7 @@ $(document).ready(function(){
 
     if (row.child.isShown()) {
         tr.removeClass('details');
+        $(this).children('i:first-child').removeClass('fa-angle-down').addClass('fa-angle-right');
         row.child.hide();
 
         // Remove from the 'open' array
@@ -310,7 +312,7 @@ $(document).ready(function(){
     }
     else {
         tr.addClass('details');
-        $('.toggle i').removeClass('fa-angle-right').addClass('fa-angle-down');
+        $(this).children('i:first-child').removeClass('fa-angle-right').addClass('fa-angle-down');
         row.child(format(row.data())).show();
         // Add to the 'open' array
         if ( idx === -1 ) {
diff --git a/apps/perms/utils.py b/apps/perms/utils.py
index 81ac4bf05..a76953aac 100644
--- a/apps/perms/utils.py
+++ b/apps/perms/utils.py
@@ -1,300 +1,160 @@
 # coding: utf-8
 
 from __future__ import absolute_import, unicode_literals
-import collections
 from collections import defaultdict
-from django.utils import timezone
-import copy
+from django.db.models import Q
 
-from common.utils import set_or_append_attr_bulk, get_logger
+from common.utils import get_logger
 from .models import AssetPermission
+from .hands import Node
 
 logger = get_logger(__file__)
 
 
-class AssetPermissionUtil:
+class Tree:
+    def __init__(self):
+        self.__all_nodes = list(Node.objects.all().prefetch_related('assets'))
+        self.__node_asset_map = defaultdict(set)
+        self.nodes = defaultdict(dict)
+        self.root = Node.root()
+        self.init_node_asset_map()
 
-    @staticmethod
-    def get_user_permissions(user):
-        return AssetPermission.valid.all().filter(users=user)
+    def init_node_asset_map(self):
+        for node in self.__all_nodes:
+            assets = node.get_assets().values_list('id', flat=True)
+            for asset in assets:
+                self.__node_asset_map[str(asset)].add(node)
 
-    @staticmethod
-    def get_user_group_permissions(user_group):
-        return AssetPermission.valid.all().filter(user_groups=user_group)
+    def add_asset(self, asset, system_users):
+        nodes = self.__node_asset_map.get(str(asset.id), [])
+        self.add_nodes(nodes)
+        for node in nodes:
+            self.nodes[node][asset].update(system_users)
 
-    @staticmethod
-    def get_asset_permissions(asset):
-        return AssetPermission.valid.all().filter(assets=asset)
+    def add_node(self, node):
+        if node in self.nodes:
+            return
+        else:
+            self.nodes[node] = defaultdict(set)
+        if node.key == self.root.key:
+            return
+        parent_key = ':'.join(node.key.split(':')[:-1])
+        for n in self.__all_nodes:
+            if n.key == parent_key:
+                self.add_node(n)
+                break
 
-    @staticmethod
-    def get_node_permissions(node):
-        return AssetPermission.valid.all().filter(nodes=node)
-
-    @staticmethod
-    def get_system_user_permissions(system_user):
-        return AssetPermission.objects.all().filter(system_users=system_user)
-
-    @classmethod
-    def get_user_group_nodes(cls, group):
-        nodes = defaultdict(set)
-        permissions = cls.get_user_group_permissions(group)
-        for perm in permissions:
-            _nodes = perm.nodes.all()
-            _system_users = perm.system_users.all()
-            set_or_append_attr_bulk(_nodes, 'permission', perm.id)
-            for node in _nodes:
-                nodes[node].update(set(_system_users))
-        return nodes
-
-    @classmethod
-    def get_user_group_assets_direct(cls, group):
-        assets = defaultdict(set)
-        permissions = cls.get_user_group_permissions(group)
-        for perm in permissions:
-            _assets = perm.assets.all()
-            _system_users = perm.system_users.all()
-            set_or_append_attr_bulk(_assets, 'permission', perm.id)
-            for asset in _assets:
-                assets[asset].update(set(_system_users))
-        return assets
-
-    @classmethod
-    def get_user_group_nodes_assets(cls, group):
-        assets = defaultdict(set)
-        nodes = cls.get_user_group_nodes(group)
-        for node, _system_users in nodes.items():
-            _assets = node.get_all_assets()
-            set_or_append_attr_bulk(_assets, 'inherit_node', node.id)
-            set_or_append_attr_bulk(_assets, 'permission', getattr(node, 'permission', None))
-            for asset in _assets:
-                assets[asset].update(set(_system_users))
-        return assets
-
-    @classmethod
-    def get_user_group_assets(cls, group):
-        assets = defaultdict(set)
-        _assets = cls.get_user_group_assets_direct(group)
-        _nodes_assets = cls.get_user_group_nodes_assets(group)
-        for asset, _system_users in _assets.items():
-            assets[asset].update(set(_system_users))
-        for asset, _system_users in _nodes_assets.items():
-            assets[asset].update(set(_system_users))
-        return assets
-
-    @classmethod
-    def get_user_group_nodes_with_assets(cls, user):
-        """
-        :param user:
-        :return: {node: {asset: set(su1, su2)}}
-        """
-        nodes = defaultdict(dict)
-        _assets = cls.get_user_group_assets(user)
-        for asset, _system_users in _assets.items():
-            _nodes = asset.get_nodes()
-            for node in _nodes:
-                if asset in nodes[node]:
-                    nodes[node][asset].update(_system_users)
-                else:
-                    nodes[node][asset] = _system_users
-        return nodes
-
-    @classmethod
-    def get_user_assets_direct(cls, user):
-        assets = defaultdict(set)
-        permissions = list(cls.get_user_permissions(user))
-        for perm in permissions:
-            _assets = perm.assets.all()
-            _system_users = perm.system_users.all()
-            set_or_append_attr_bulk(_assets, 'permission', perm.id)
-            for asset in _assets:
-                assets[asset].update(set(_system_users))
-        return assets
-
-    @classmethod
-    def get_user_nodes_direct(cls, user):
-        nodes = defaultdict(set)
-        permissions = cls.get_user_permissions(user)
-        for perm in permissions:
-            _nodes = perm.nodes.all()
-            _system_users = perm.system_users.all()
-            set_or_append_attr_bulk(_nodes, 'permission', perm.id)
-            for node in _nodes:
-                nodes[node].update(set(_system_users))
-        return nodes
-
-    @classmethod
-    def get_user_nodes_assets_direct(cls, user):
-        assets = defaultdict(set)
-        nodes = cls.get_user_nodes_direct(user)
-        for node, _system_users in nodes.items():
-            _assets = node.get_all_assets()
-            set_or_append_attr_bulk(_assets, 'inherit_node', node.id)
-            set_or_append_attr_bulk(_assets, 'permission', getattr(node, 'permission', None))
-            for asset in _assets:
-                assets[asset].update(set(_system_users))
-        return assets
-
-    @classmethod
-    def get_user_assets_inherit_group(cls, user):
-        assets = defaultdict(set)
-        for group in user.groups.all():
-            _assets = cls.get_user_group_assets(group)
-            set_or_append_attr_bulk(_assets, 'inherit_group', group.id)
-            for asset, _system_users in _assets.items():
-                assets[asset].update(_system_users)
-        return assets
-
-    @classmethod
-    def get_user_assets(cls, user):
-        assets = defaultdict(set)
-        _assets_direct = cls.get_user_assets_direct(user)
-        _nodes_assets_direct = cls.get_user_nodes_assets_direct(user)
-        _assets_inherit_group = cls.get_user_assets_inherit_group(user)
-        for asset, _system_users in _assets_direct.items():
-            assets[asset].update(_system_users)
-        for asset, _system_users in _nodes_assets_direct.items():
-            assets[asset].update(_system_users)
-        for asset, _system_users in _assets_inherit_group.items():
-            assets[asset].update(_system_users)
-        return assets
-
-    @classmethod
-    def get_user_nodes_with_assets(cls, user):
-        """
-        :param user:
-        :return: {node: {asset: set(su1, su2)}}
-        """
-        nodes = defaultdict(dict)
-        _assets = cls.get_user_assets(user)
-        for asset, _system_users in _assets.items():
-            _nodes = asset.get_nodes()
-            for node in _nodes:
-                if asset in nodes[node]:
-                    nodes[node][asset].update(_system_users)
-                else:
-                    nodes[node][asset] = _system_users
-        return nodes
-
-    @classmethod
-    def get_system_user_assets(cls, system_user):
-        assets = set()
-        permissions = cls.get_system_user_permissions(system_user)
-        for perm in permissions:
-            assets.update(set(perm.assets.all()))
-            nodes = perm.nodes.all()
-            for node in nodes:
-                assets.update(set(node.get_all_assets()))
-        return assets
-
-    @classmethod
-    def get_node_system_users(cls, node):
-        system_users = set()
-        permissions = cls.get_node_permissions(node)
-        for perm in permissions:
-            system_users.update(perm.system_users.all())
-        return system_users
+    def add_nodes(self, nodes):
+        for node in nodes:
+            self.add_node(node)
 
 
-# Abandon
-class NodePermissionUtil:
-    """
-
-    """
-
-    @staticmethod
-    def get_user_group_permissions(user_group):
-        return user_group.nodepermission_set.all() \
-            .filter(is_active=True) \
-            .filter(date_expired__gt=timezone.now())
-
-    @staticmethod
-    def get_system_user_permissions(system_user):
-        return system_user.nodepermission_set.all() \
-            .filter(is_active=True) \
-            .filter(date_expired__gt=timezone.now())
-
-    @classmethod
-    def get_user_group_nodes(cls, user_group):
-        """
-        获取用户组授权的node和系统用户
-        :param user_group:
-        :return: {"node": set(systemuser1, systemuser2), ..}
-        """
-        permissions = cls.get_user_group_permissions(user_group)
-        nodes_directed = collections.defaultdict(set)
-
-        for perm in permissions:
-            nodes_directed[perm.node].add(perm.system_user)
-
-        nodes = copy.deepcopy(nodes_directed)
-        for node, system_users in nodes_directed.items():
-            for child in node.get_family():
-                nodes[child].update(system_users)
-        return nodes
-
-    @classmethod
-    def get_user_group_nodes_with_assets(cls, user_group):
-        """
-        获取用户组授权的节点和系统用户，节点下带有资产
-        :param user_group:
-        :return: {"node": {"assets": "", "system_user": ""}, {}}
-        """
-        nodes = cls.get_user_group_nodes(user_group)
-        nodes_with_assets = dict()
-        for node, system_users in nodes.items():
-            nodes_with_assets[node] = {
-                'assets': node.get_active_assets(),
-                'system_users': system_users
-            }
-        return nodes_with_assets
-
-    @classmethod
-    def get_user_group_assets(cls, user_group):
-        assets = collections.defaultdict(set)
-        permissions = cls.get_user_group_permissions(user_group)
-
-        for perm in permissions:
-            for asset in perm.node.get_all_assets():
-                assets[asset].add(perm.system_user)
-        return assets
-
-    @classmethod
-    def get_user_nodes(cls, user):
-        nodes = collections.defaultdict(set)
+def get_user_permissions(user, include_group=True):
+    if include_group:
         groups = user.groups.all()
-        for group in groups:
-            group_nodes = cls.get_user_group_nodes(group)
-            for node, system_users in group_nodes.items():
-                nodes[node].update(system_users)
+        arg = Q(users=user) | Q(user_groups__in=groups)
+    else:
+        arg = Q(users=user)
+    return AssetPermission.objects.all().valid().filter(arg)
+
+
+def get_user_group_permissions(user_group):
+    return AssetPermission.objects.all().valid().filter(
+        user_groups=user_group
+    )
+
+
+def get_asset_permissions(asset, include_node=True):
+    if include_node:
+        nodes = asset.get_all_nodes(flat=True)
+        arg = Q(assets=asset) | Q(nodes__in=nodes)
+    else:
+        arg = Q(assets=asset)
+    return AssetPermission.objects.all().valid().filter(arg)
+
+
+def get_node_permissions(node):
+    return AssetPermission.objects.all().valid().filter(nodes=node)
+
+
+def get_system_user_permissions(system_user):
+    return AssetPermission.objects.valid().all().filter(
+        system_users=system_user
+    )
+
+
+class AssetPermissionUtil:
+    get_permissions_map = {
+        "User": get_user_permissions,
+        "UserGroup": get_user_group_permissions,
+        "Asset": get_asset_permissions,
+        "Node": get_node_permissions,
+        "SystemUser": get_node_permissions,
+    }
+
+    def __init__(self, obj):
+        self.object = obj
+        self._permissions = None
+        self._assets = None
+
+    @property
+    def permissions(self):
+        if self._permissions:
+            return self._permissions
+        object_cls = self.object.__class__.__name__
+        func = self.get_permissions_map[object_cls]
+        permissions = func(self.object)
+        self._permissions = permissions
+        return permissions
+
+    def get_nodes_direct(self):
+        """
+        返回用户/组授权规则直接关联的节点
+        :return: {node1: set(system_user1,)}
+        """
+        nodes = defaultdict(set)
+        permissions = self.permissions.prefetch_related('nodes', 'system_users')
+        for perm in permissions:
+            for node in perm.nodes.all():
+                nodes[node].update(perm.system_users.all())
         return nodes
 
-    @classmethod
-    def get_user_nodes_with_assets(cls, user):
-        nodes = cls.get_user_nodes(user)
-        nodes_with_assets = dict()
-        for node, system_users in nodes.items():
-            nodes_with_assets[node] = {
-                'assets': node.get_active_assets(),
-                'system_users': system_users
-            }
-        return nodes_with_assets
-
-    @classmethod
-    def get_user_assets(cls, user):
-        assets = collections.defaultdict(set)
-        nodes_with_assets = cls.get_user_nodes_with_assets(user)
-
-        for v in nodes_with_assets.values():
-            for asset in v['assets']:
-                assets[asset].update(v['system_users'])
-        return assets
-
-    @classmethod
-    def get_system_user_assets(cls, system_user):
-        assets = set()
-        permissions = cls.get_system_user_permissions(system_user)
-
+    def get_assets_direct(self):
+        """
+        返回用户授权规则直接关联的资产
+        :return: {asset1: set(system_user1,)}
+        """
+        assets = defaultdict(set)
+        permissions = self.permissions.prefetch_related('assets', 'system_users')
         for perm in permissions:
-            assets.update(perm.node.get_all_assets())
+            for asset in perm.assets.all().valid().prefetch_related('nodes'):
+                assets[asset].update(perm.system_users.all())
         return assets
 
+    def get_assets(self):
+        if self._assets:
+            return self._assets
+        assets = self.get_assets_direct()
+        nodes = self.get_nodes_direct()
+        for node, system_users in nodes.items():
+            _assets = node.get_all_assets().valid().prefetch_related('nodes')
+            for asset in _assets:
+                if isinstance(asset, Node):
+                    print(_assets)
+                assets[asset].update(system_users)
+        self._assets = assets
+        return self._assets
+
+    def get_nodes_with_assets(self):
+        """
+        返回节点并且包含资产
+        {"node": {"assets": set("system_user")}}
+        :return:
+        """
+        assets = self.get_assets()
+        tree = Tree()
+        for asset, system_users in assets.items():
+            tree.add_asset(asset, system_users)
+        return tree.nodes
+
+
diff --git a/apps/perms/views.py b/apps/perms/views.py
index 17b8637cc..9afbc6ffe 100644
--- a/apps/perms/views.py
+++ b/apps/perms/views.py
@@ -42,7 +42,7 @@ class AssetPermissionCreateView(AdminUserRequiredMixin, CreateView):
 
         if nodes_id:
             nodes_id = nodes_id.split(",")
-            nodes = Node.objects.filter(id__in=nodes_id)
+            nodes = Node.objects.filter(id__in=nodes_id).exclude(id=Node.root().id)
             form['nodes'].initial = nodes
         if assets_id:
             assets_id = assets_id.split(",")
diff --git a/apps/static/js/jumpserver.js b/apps/static/js/jumpserver.js
index 461455085..07405fb4f 100644
--- a/apps/static/js/jumpserver.js
+++ b/apps/static/js/jumpserver.js
@@ -173,14 +173,14 @@ function APIUpdateAttr(props) {
         }
         if (typeof props.success === 'function') {
             return props.success(data);
-        } 
+        }
     }).fail(function(jqXHR, textStatus, errorThrown) {
         if (flash_message) {
             toastr.error(fail_message);
         }
         if (typeof props.error === 'function') {
             return props.error(jqXHR.responseText);
-        } 
+        }
     });
   // return true;
 }
@@ -198,7 +198,8 @@ function objectDelete(obj, name, url, redirectTo) {
             }
         };
         var fail = function() {
-            swal("错误", "删除"+"[ "+name+" ]"+"遇到错误", "error");
+            // swal("错误", "删除"+"[ "+name+" ]"+"遇到错误", "error");
+            swal("错误", "[ "+name+" ]"+"正在被资产使用中，请先解除资产绑定", "error");
         };
         APIUpdateAttr({
             url: url,
@@ -219,7 +220,7 @@ function objectDelete(obj, name, url, redirectTo) {
         confirmButtonText: '确认',
         closeOnConfirm: true,
     }, function () {
-        doDelete()       
+        doDelete()
     });
 }
 
@@ -272,7 +273,7 @@ jumpserver.initDataTable = function (options) {
               $(td).html('<input type="checkbox" class="text-center ipt_check" id=99991937>'.replace('99991937', cellData));
           }
       },
-      {className: 'text-center', targets: '_all'}
+      {className: 'text-center', render: $.fn.dataTable.render.text(), targets: '_all'}
   ];
   columnDefs = options.columnDefs ? options.columnDefs.concat(columnDefs) : columnDefs;
   var select = {
@@ -609,3 +610,91 @@ function setUrlParam(url, name, value) {
     }
     return url
 }
+
+// 校验密码-改变规则颜色
+function checkPasswordRules(password, minLength) {
+    if (wordMinLength(password, minLength)) {
+        $('#rule_SECURITY_PASSWORD_MIN_LENGTH').css('color', 'green')
+    }
+    else {
+        $('#rule_SECURITY_PASSWORD_MIN_LENGTH').css('color', '#908a8a')
+    }
+
+    if (wordUpperCase(password)) {
+        $('#rule_SECURITY_PASSWORD_UPPER_CASE').css('color', 'green');
+    }
+    else {
+        $('#rule_SECURITY_PASSWORD_UPPER_CASE').css('color', '#908a8a')
+    }
+
+    if (wordLowerCase(password)) {
+        $('#rule_SECURITY_PASSWORD_LOWER_CASE').css('color', 'green')
+    }
+    else {
+        $('#rule_SECURITY_PASSWORD_LOWER_CASE').css('color', '#908a8a')
+    }
+
+    if (wordNumber(password)) {
+        $('#rule_SECURITY_PASSWORD_NUMBER').css('color', 'green')
+    }
+    else {
+        $('#rule_SECURITY_PASSWORD_NUMBER').css('color', '#908a8a')
+    }
+
+    if (wordSpecialChar(password)) {
+        $('#rule_SECURITY_PASSWORD_SPECIAL_CHAR').css('color', 'green')
+    }
+    else {
+        $('#rule_SECURITY_PASSWORD_SPECIAL_CHAR').css('color', '#908a8a')
+    }
+}
+
+// 最小长度
+function wordMinLength(word, minLength) {
+    //var minLength = {{ min_length }};
+    var re = new RegExp("^(.{" + minLength + ",})$");
+    return word.match(re)
+}
+// 大写字母
+function wordUpperCase(word) {
+    return word.match(/([A-Z]+)/)
+}
+// 小写字母
+function wordLowerCase(word) {
+    return word.match(/([a-z]+)/)
+}
+// 数字字符
+function wordNumber(word) {
+    return word.match(/([\d]+)/)
+}
+// 特殊字符
+function wordSpecialChar(word) {
+    return word.match(/[`,~,!,@,#,\$,%,\^,&,\*,\(,\),\-,_,=,\+,\{,\},\[,\],\|,\\,;,',:,",\,,\.,<,>,\/,\?]+/)
+}
+
+// 显示弹窗密码规则
+function popoverPasswordRules(password_check_rules, $el) {
+    var message = "";
+    jQuery.each(password_check_rules, function (idx, rules) {
+        message += "<li id=" + rules.id + " style='list-style-type:none;'> <i class='fa fa-check-circle-o' style='margin-right:10px;' ></i>" + rules.label + "</li>";
+    });
+    //$('#id_password_rules').html(message);
+    $el.html(message)
+}
+
+// 初始化弹窗popover
+function initPopover($container, $progress, $idPassword, $el, password_check_rules){
+    options = {};
+    // User Interface
+    options.ui = {
+        container: $container,
+        viewports: {
+            progress: $progress
+            //errors: $('.popover-content')
+        },
+        showProgressbar: true,
+        showVerdictsInsideProgressBar: true
+    };
+    $idPassword.pwstrength(options);
+    popoverPasswordRules(password_check_rules, $el);
+}
diff --git a/apps/static/js/plugins/xterm/xterm.css b/apps/static/js/plugins/xterm/xterm.css
new file mode 100644
index 000000000..89daf9e3e
--- /dev/null
+++ b/apps/static/js/plugins/xterm/xterm.css
@@ -0,0 +1,2261 @@
+/**
+ * xterm.js: xterm, in the browser
+ * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * https://github.com/chjj/term.js
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ */
+
+/*
+ *  Default style for xterm.js
+ */
+
+.terminal {
+    background-color: #000;
+    color: #fff;
+    font-family: courier-new, courier, monospace;
+    font-feature-settings: "liga" 0;
+    position: relative;
+    user-select: none;
+    -ms-user-select: none;
+    -webkit-user-select: none;
+}
+
+.terminal.focus,
+.terminal:focus {
+    outline: none;
+}
+
+.terminal .xterm-helpers {
+    position: absolute;
+    top: 0;
+}
+
+.terminal .xterm-helper-textarea {
+    /*
+     * HACK: to fix IE's blinking cursor
+     * Move textarea out of the screen to the far left, so that the cursor is not visible.
+     */
+    position: absolute;
+    opacity: 0;
+    left: -9999em;
+    top: 0;
+    width: 0;
+    height: 0;
+    z-index: -10;
+    /** Prevent wrapping so the IME appears against the textarea at the correct position */
+    white-space: nowrap;
+    overflow: hidden;
+    resize: none;
+}
+
+.terminal a {
+    color: inherit;
+    text-decoration: none;
+}
+
+.terminal a:hover {
+    cursor: pointer;
+    text-decoration: underline;
+}
+
+.terminal a.xterm-invalid-link:hover {
+    cursor: text;
+    text-decoration: none;
+}
+
+.terminal .terminal-cursor {
+    position: relative;
+}
+
+.terminal:not(.focus) .terminal-cursor {
+    outline: 1px solid #fff;
+    outline-offset: -1px;
+}
+
+.terminal.xterm-cursor-style-block.focus:not(.xterm-cursor-blink-on) .terminal-cursor {
+    background-color: #fff;
+    color: #000;
+}
+
+.terminal.focus.xterm-cursor-style-bar:not(.xterm-cursor-blink-on) .terminal-cursor::before,
+.terminal.focus.xterm-cursor-style-underline:not(.xterm-cursor-blink-on) .terminal-cursor::before {
+    content: '';
+    position: absolute;
+    background-color: #fff;
+}
+
+.terminal.focus.xterm-cursor-style-bar:not(.xterm-cursor-blink-on) .terminal-cursor::before {
+    top: 0;
+    left: 0;
+    bottom: 0;
+    width: 1px;
+}
+
+.terminal.focus.xterm-cursor-style-underline:not(.xterm-cursor-blink-on) .terminal-cursor::before {
+    bottom: 0;
+    left: 0;
+    right: 0;
+    height: 1px;
+}
+
+.terminal .composition-view {
+    background: #000;
+    color: #FFF;
+    display: none;
+    position: absolute;
+    white-space: nowrap;
+    z-index: 1;
+}
+
+.terminal .composition-view.active {
+    display: block;
+}
+
+.terminal .xterm-viewport {
+    /* On OS X this is required in order for the scroll bar to appear fully opaque */
+    background-color: #000;
+    overflow-y: scroll;
+}
+
+.terminal .xterm-wide-char,
+.terminal .xterm-normal-char {
+    display: inline-block;
+}
+
+.terminal .xterm-rows {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+
+.terminal .xterm-rows > div {
+    /* Lines containing spans and text nodes ocassionally wrap despite being the same width (#327) */
+    white-space: nowrap;
+}
+
+.terminal .xterm-scroll-area {
+    visibility: hidden;
+}
+
+.terminal .xterm-char-measure-element {
+    display: inline-block;
+    visibility: hidden;
+    position: absolute;
+    left: -9999em;
+}
+
+.terminal.enable-mouse-events {
+    /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
+    cursor: default;
+}
+
+.terminal .xterm-selection {
+    position: absolute;
+    top: 0;
+    left: 0;
+    z-index: 1;
+    opacity: 0.3;
+    pointer-events: none;
+}
+
+.terminal .xterm-selection div {
+    position: absolute;
+    background-color: #fff;
+}
+
+/*
+ *  Determine default colors for xterm.js
+ */
+.terminal .xterm-bold {
+    font-weight: bold;
+}
+
+.terminal .xterm-underline {
+    text-decoration: underline;
+}
+
+.terminal .xterm-blink {
+    text-decoration: blink;
+}
+
+.terminal .xterm-blink.xterm-underline {
+    text-decoration: blink underline;
+}
+
+.terminal .xterm-hidden {
+    visibility: hidden;
+}
+
+.terminal .xterm-color-0 {
+    color: #2e3436;
+}
+
+.terminal .xterm-bg-color-0 {
+    background-color: #2e3436;
+}
+
+.terminal .xterm-color-1 {
+    color: #cc0000;
+}
+
+.terminal .xterm-bg-color-1 {
+    background-color: #cc0000;
+}
+
+.terminal .xterm-color-2 {
+    color: #4e9a06;
+}
+
+.terminal .xterm-bg-color-2 {
+    background-color: #4e9a06;
+}
+
+.terminal .xterm-color-3 {
+    color: #c4a000;
+}
+
+.terminal .xterm-bg-color-3 {
+    background-color: #c4a000;
+}
+
+.terminal .xterm-color-4 {
+    color: #3465a4;
+}
+
+.terminal .xterm-bg-color-4 {
+    background-color: #3465a4;
+}
+
+.terminal .xterm-color-5 {
+    color: #75507b;
+}
+
+.terminal .xterm-bg-color-5 {
+    background-color: #75507b;
+}
+
+.terminal .xterm-color-6 {
+    color: #06989a;
+}
+
+.terminal .xterm-bg-color-6 {
+    background-color: #06989a;
+}
+
+.terminal .xterm-color-7 {
+    color: #d3d7cf;
+}
+
+.terminal .xterm-bg-color-7 {
+    background-color: #d3d7cf;
+}
+
+.terminal .xterm-color-8 {
+    color: #555753;
+}
+
+.terminal .xterm-bg-color-8 {
+    background-color: #555753;
+}
+
+.terminal .xterm-color-9 {
+    color: #ef2929;
+}
+
+.terminal .xterm-bg-color-9 {
+    background-color: #ef2929;
+}
+
+.terminal .xterm-color-10 {
+    color: #8ae234;
+}
+
+.terminal .xterm-bg-color-10 {
+    background-color: #8ae234;
+}
+
+.terminal .xterm-color-11 {
+    color: #fce94f;
+}
+
+.terminal .xterm-bg-color-11 {
+    background-color: #fce94f;
+}
+
+.terminal .xterm-color-12 {
+    color: #729fcf;
+}
+
+.terminal .xterm-bg-color-12 {
+    background-color: #729fcf;
+}
+
+.terminal .xterm-color-13 {
+    color: #ad7fa8;
+}
+
+.terminal .xterm-bg-color-13 {
+    background-color: #ad7fa8;
+}
+
+.terminal .xterm-color-14 {
+    color: #34e2e2;
+}
+
+.terminal .xterm-bg-color-14 {
+    background-color: #34e2e2;
+}
+
+.terminal .xterm-color-15 {
+    color: #eeeeec;
+}
+
+.terminal .xterm-bg-color-15 {
+    background-color: #eeeeec;
+}
+
+.terminal .xterm-color-16 {
+    color: #000000;
+}
+
+.terminal .xterm-bg-color-16 {
+    background-color: #000000;
+}
+
+.terminal .xterm-color-17 {
+    color: #00005f;
+}
+
+.terminal .xterm-bg-color-17 {
+    background-color: #00005f;
+}
+
+.terminal .xterm-color-18 {
+    color: #000087;
+}
+
+.terminal .xterm-bg-color-18 {
+    background-color: #000087;
+}
+
+.terminal .xterm-color-19 {
+    color: #0000af;
+}
+
+.terminal .xterm-bg-color-19 {
+    background-color: #0000af;
+}
+
+.terminal .xterm-color-20 {
+    color: #0000d7;
+}
+
+.terminal .xterm-bg-color-20 {
+    background-color: #0000d7;
+}
+
+.terminal .xterm-color-21 {
+    color: #0000ff;
+}
+
+.terminal .xterm-bg-color-21 {
+    background-color: #0000ff;
+}
+
+.terminal .xterm-color-22 {
+    color: #005f00;
+}
+
+.terminal .xterm-bg-color-22 {
+    background-color: #005f00;
+}
+
+.terminal .xterm-color-23 {
+    color: #005f5f;
+}
+
+.terminal .xterm-bg-color-23 {
+    background-color: #005f5f;
+}
+
+.terminal .xterm-color-24 {
+    color: #005f87;
+}
+
+.terminal .xterm-bg-color-24 {
+    background-color: #005f87;
+}
+
+.terminal .xterm-color-25 {
+    color: #005faf;
+}
+
+.terminal .xterm-bg-color-25 {
+    background-color: #005faf;
+}
+
+.terminal .xterm-color-26 {
+    color: #005fd7;
+}
+
+.terminal .xterm-bg-color-26 {
+    background-color: #005fd7;
+}
+
+.terminal .xterm-color-27 {
+    color: #005fff;
+}
+
+.terminal .xterm-bg-color-27 {
+    background-color: #005fff;
+}
+
+.terminal .xterm-color-28 {
+    color: #008700;
+}
+
+.terminal .xterm-bg-color-28 {
+    background-color: #008700;
+}
+
+.terminal .xterm-color-29 {
+    color: #00875f;
+}
+
+.terminal .xterm-bg-color-29 {
+    background-color: #00875f;
+}
+
+.terminal .xterm-color-30 {
+    color: #008787;
+}
+
+.terminal .xterm-bg-color-30 {
+    background-color: #008787;
+}
+
+.terminal .xterm-color-31 {
+    color: #0087af;
+}
+
+.terminal .xterm-bg-color-31 {
+    background-color: #0087af;
+}
+
+.terminal .xterm-color-32 {
+    color: #0087d7;
+}
+
+.terminal .xterm-bg-color-32 {
+    background-color: #0087d7;
+}
+
+.terminal .xterm-color-33 {
+    color: #0087ff;
+}
+
+.terminal .xterm-bg-color-33 {
+    background-color: #0087ff;
+}
+
+.terminal .xterm-color-34 {
+    color: #00af00;
+}
+
+.terminal .xterm-bg-color-34 {
+    background-color: #00af00;
+}
+
+.terminal .xterm-color-35 {
+    color: #00af5f;
+}
+
+.terminal .xterm-bg-color-35 {
+    background-color: #00af5f;
+}
+
+.terminal .xterm-color-36 {
+    color: #00af87;
+}
+
+.terminal .xterm-bg-color-36 {
+    background-color: #00af87;
+}
+
+.terminal .xterm-color-37 {
+    color: #00afaf;
+}
+
+.terminal .xterm-bg-color-37 {
+    background-color: #00afaf;
+}
+
+.terminal .xterm-color-38 {
+    color: #00afd7;
+}
+
+.terminal .xterm-bg-color-38 {
+    background-color: #00afd7;
+}
+
+.terminal .xterm-color-39 {
+    color: #00afff;
+}
+
+.terminal .xterm-bg-color-39 {
+    background-color: #00afff;
+}
+
+.terminal .xterm-color-40 {
+    color: #00d700;
+}
+
+.terminal .xterm-bg-color-40 {
+    background-color: #00d700;
+}
+
+.terminal .xterm-color-41 {
+    color: #00d75f;
+}
+
+.terminal .xterm-bg-color-41 {
+    background-color: #00d75f;
+}
+
+.terminal .xterm-color-42 {
+    color: #00d787;
+}
+
+.terminal .xterm-bg-color-42 {
+    background-color: #00d787;
+}
+
+.terminal .xterm-color-43 {
+    color: #00d7af;
+}
+
+.terminal .xterm-bg-color-43 {
+    background-color: #00d7af;
+}
+
+.terminal .xterm-color-44 {
+    color: #00d7d7;
+}
+
+.terminal .xterm-bg-color-44 {
+    background-color: #00d7d7;
+}
+
+.terminal .xterm-color-45 {
+    color: #00d7ff;
+}
+
+.terminal .xterm-bg-color-45 {
+    background-color: #00d7ff;
+}
+
+.terminal .xterm-color-46 {
+    color: #00ff00;
+}
+
+.terminal .xterm-bg-color-46 {
+    background-color: #00ff00;
+}
+
+.terminal .xterm-color-47 {
+    color: #00ff5f;
+}
+
+.terminal .xterm-bg-color-47 {
+    background-color: #00ff5f;
+}
+
+.terminal .xterm-color-48 {
+    color: #00ff87;
+}
+
+.terminal .xterm-bg-color-48 {
+    background-color: #00ff87;
+}
+
+.terminal .xterm-color-49 {
+    color: #00ffaf;
+}
+
+.terminal .xterm-bg-color-49 {
+    background-color: #00ffaf;
+}
+
+.terminal .xterm-color-50 {
+    color: #00ffd7;
+}
+
+.terminal .xterm-bg-color-50 {
+    background-color: #00ffd7;
+}
+
+.terminal .xterm-color-51 {
+    color: #00ffff;
+}
+
+.terminal .xterm-bg-color-51 {
+    background-color: #00ffff;
+}
+
+.terminal .xterm-color-52 {
+    color: #5f0000;
+}
+
+.terminal .xterm-bg-color-52 {
+    background-color: #5f0000;
+}
+
+.terminal .xterm-color-53 {
+    color: #5f005f;
+}
+
+.terminal .xterm-bg-color-53 {
+    background-color: #5f005f;
+}
+
+.terminal .xterm-color-54 {
+    color: #5f0087;
+}
+
+.terminal .xterm-bg-color-54 {
+    background-color: #5f0087;
+}
+
+.terminal .xterm-color-55 {
+    color: #5f00af;
+}
+
+.terminal .xterm-bg-color-55 {
+    background-color: #5f00af;
+}
+
+.terminal .xterm-color-56 {
+    color: #5f00d7;
+}
+
+.terminal .xterm-bg-color-56 {
+    background-color: #5f00d7;
+}
+
+.terminal .xterm-color-57 {
+    color: #5f00ff;
+}
+
+.terminal .xterm-bg-color-57 {
+    background-color: #5f00ff;
+}
+
+.terminal .xterm-color-58 {
+    color: #5f5f00;
+}
+
+.terminal .xterm-bg-color-58 {
+    background-color: #5f5f00;
+}
+
+.terminal .xterm-color-59 {
+    color: #5f5f5f;
+}
+
+.terminal .xterm-bg-color-59 {
+    background-color: #5f5f5f;
+}
+
+.terminal .xterm-color-60 {
+    color: #5f5f87;
+}
+
+.terminal .xterm-bg-color-60 {
+    background-color: #5f5f87;
+}
+
+.terminal .xterm-color-61 {
+    color: #5f5faf;
+}
+
+.terminal .xterm-bg-color-61 {
+    background-color: #5f5faf;
+}
+
+.terminal .xterm-color-62 {
+    color: #5f5fd7;
+}
+
+.terminal .xterm-bg-color-62 {
+    background-color: #5f5fd7;
+}
+
+.terminal .xterm-color-63 {
+    color: #5f5fff;
+}
+
+.terminal .xterm-bg-color-63 {
+    background-color: #5f5fff;
+}
+
+.terminal .xterm-color-64 {
+    color: #5f8700;
+}
+
+.terminal .xterm-bg-color-64 {
+    background-color: #5f8700;
+}
+
+.terminal .xterm-color-65 {
+    color: #5f875f;
+}
+
+.terminal .xterm-bg-color-65 {
+    background-color: #5f875f;
+}
+
+.terminal .xterm-color-66 {
+    color: #5f8787;
+}
+
+.terminal .xterm-bg-color-66 {
+    background-color: #5f8787;
+}
+
+.terminal .xterm-color-67 {
+    color: #5f87af;
+}
+
+.terminal .xterm-bg-color-67 {
+    background-color: #5f87af;
+}
+
+.terminal .xterm-color-68 {
+    color: #5f87d7;
+}
+
+.terminal .xterm-bg-color-68 {
+    background-color: #5f87d7;
+}
+
+.terminal .xterm-color-69 {
+    color: #5f87ff;
+}
+
+.terminal .xterm-bg-color-69 {
+    background-color: #5f87ff;
+}
+
+.terminal .xterm-color-70 {
+    color: #5faf00;
+}
+
+.terminal .xterm-bg-color-70 {
+    background-color: #5faf00;
+}
+
+.terminal .xterm-color-71 {
+    color: #5faf5f;
+}
+
+.terminal .xterm-bg-color-71 {
+    background-color: #5faf5f;
+}
+
+.terminal .xterm-color-72 {
+    color: #5faf87;
+}
+
+.terminal .xterm-bg-color-72 {
+    background-color: #5faf87;
+}
+
+.terminal .xterm-color-73 {
+    color: #5fafaf;
+}
+
+.terminal .xterm-bg-color-73 {
+    background-color: #5fafaf;
+}
+
+.terminal .xterm-color-74 {
+    color: #5fafd7;
+}
+
+.terminal .xterm-bg-color-74 {
+    background-color: #5fafd7;
+}
+
+.terminal .xterm-color-75 {
+    color: #5fafff;
+}
+
+.terminal .xterm-bg-color-75 {
+    background-color: #5fafff;
+}
+
+.terminal .xterm-color-76 {
+    color: #5fd700;
+}
+
+.terminal .xterm-bg-color-76 {
+    background-color: #5fd700;
+}
+
+.terminal .xterm-color-77 {
+    color: #5fd75f;
+}
+
+.terminal .xterm-bg-color-77 {
+    background-color: #5fd75f;
+}
+
+.terminal .xterm-color-78 {
+    color: #5fd787;
+}
+
+.terminal .xterm-bg-color-78 {
+    background-color: #5fd787;
+}
+
+.terminal .xterm-color-79 {
+    color: #5fd7af;
+}
+
+.terminal .xterm-bg-color-79 {
+    background-color: #5fd7af;
+}
+
+.terminal .xterm-color-80 {
+    color: #5fd7d7;
+}
+
+.terminal .xterm-bg-color-80 {
+    background-color: #5fd7d7;
+}
+
+.terminal .xterm-color-81 {
+    color: #5fd7ff;
+}
+
+.terminal .xterm-bg-color-81 {
+    background-color: #5fd7ff;
+}
+
+.terminal .xterm-color-82 {
+    color: #5fff00;
+}
+
+.terminal .xterm-bg-color-82 {
+    background-color: #5fff00;
+}
+
+.terminal .xterm-color-83 {
+    color: #5fff5f;
+}
+
+.terminal .xterm-bg-color-83 {
+    background-color: #5fff5f;
+}
+
+.terminal .xterm-color-84 {
+    color: #5fff87;
+}
+
+.terminal .xterm-bg-color-84 {
+    background-color: #5fff87;
+}
+
+.terminal .xterm-color-85 {
+    color: #5fffaf;
+}
+
+.terminal .xterm-bg-color-85 {
+    background-color: #5fffaf;
+}
+
+.terminal .xterm-color-86 {
+    color: #5fffd7;
+}
+
+.terminal .xterm-bg-color-86 {
+    background-color: #5fffd7;
+}
+
+.terminal .xterm-color-87 {
+    color: #5fffff;
+}
+
+.terminal .xterm-bg-color-87 {
+    background-color: #5fffff;
+}
+
+.terminal .xterm-color-88 {
+    color: #870000;
+}
+
+.terminal .xterm-bg-color-88 {
+    background-color: #870000;
+}
+
+.terminal .xterm-color-89 {
+    color: #87005f;
+}
+
+.terminal .xterm-bg-color-89 {
+    background-color: #87005f;
+}
+
+.terminal .xterm-color-90 {
+    color: #870087;
+}
+
+.terminal .xterm-bg-color-90 {
+    background-color: #870087;
+}
+
+.terminal .xterm-color-91 {
+    color: #8700af;
+}
+
+.terminal .xterm-bg-color-91 {
+    background-color: #8700af;
+}
+
+.terminal .xterm-color-92 {
+    color: #8700d7;
+}
+
+.terminal .xterm-bg-color-92 {
+    background-color: #8700d7;
+}
+
+.terminal .xterm-color-93 {
+    color: #8700ff;
+}
+
+.terminal .xterm-bg-color-93 {
+    background-color: #8700ff;
+}
+
+.terminal .xterm-color-94 {
+    color: #875f00;
+}
+
+.terminal .xterm-bg-color-94 {
+    background-color: #875f00;
+}
+
+.terminal .xterm-color-95 {
+    color: #875f5f;
+}
+
+.terminal .xterm-bg-color-95 {
+    background-color: #875f5f;
+}
+
+.terminal .xterm-color-96 {
+    color: #875f87;
+}
+
+.terminal .xterm-bg-color-96 {
+    background-color: #875f87;
+}
+
+.terminal .xterm-color-97 {
+    color: #875faf;
+}
+
+.terminal .xterm-bg-color-97 {
+    background-color: #875faf;
+}
+
+.terminal .xterm-color-98 {
+    color: #875fd7;
+}
+
+.terminal .xterm-bg-color-98 {
+    background-color: #875fd7;
+}
+
+.terminal .xterm-color-99 {
+    color: #875fff;
+}
+
+.terminal .xterm-bg-color-99 {
+    background-color: #875fff;
+}
+
+.terminal .xterm-color-100 {
+    color: #878700;
+}
+
+.terminal .xterm-bg-color-100 {
+    background-color: #878700;
+}
+
+.terminal .xterm-color-101 {
+    color: #87875f;
+}
+
+.terminal .xterm-bg-color-101 {
+    background-color: #87875f;
+}
+
+.terminal .xterm-color-102 {
+    color: #878787;
+}
+
+.terminal .xterm-bg-color-102 {
+    background-color: #878787;
+}
+
+.terminal .xterm-color-103 {
+    color: #8787af;
+}
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+}
+
+.terminal .xterm-color-233 {
+    color: #121212;
+}
+
+.terminal .xterm-bg-color-233 {
+    background-color: #121212;
+}
+
+.terminal .xterm-color-234 {
+    color: #1c1c1c;
+}
+
+.terminal .xterm-bg-color-234 {
+    background-color: #1c1c1c;
+}
+
+.terminal .xterm-color-235 {
+    color: #262626;
+}
+
+.terminal .xterm-bg-color-235 {
+    background-color: #262626;
+}
+
+.terminal .xterm-color-236 {
+    color: #303030;
+}
+
+.terminal .xterm-bg-color-236 {
+    background-color: #303030;
+}
+
+.terminal .xterm-color-237 {
+    color: #3a3a3a;
+}
+
+.terminal .xterm-bg-color-237 {
+    background-color: #3a3a3a;
+}
+
+.terminal .xterm-color-238 {
+    color: #444444;
+}
+
+.terminal .xterm-bg-color-238 {
+    background-color: #444444;
+}
+
+.terminal .xterm-color-239 {
+    color: #4e4e4e;
+}
+
+.terminal .xterm-bg-color-239 {
+    background-color: #4e4e4e;
+}
+
+.terminal .xterm-color-240 {
+    color: #585858;
+}
+
+.terminal .xterm-bg-color-240 {
+    background-color: #585858;
+}
+
+.terminal .xterm-color-241 {
+    color: #626262;
+}
+
+.terminal .xterm-bg-color-241 {
+    background-color: #626262;
+}
+
+.terminal .xterm-color-242 {
+    color: #6c6c6c;
+}
+
+.terminal .xterm-bg-color-242 {
+    background-color: #6c6c6c;
+}
+
+.terminal .xterm-color-243 {
+    color: #767676;
+}
+
+.terminal .xterm-bg-color-243 {
+    background-color: #767676;
+}
+
+.terminal .xterm-color-244 {
+    color: #808080;
+}
+
+.terminal .xterm-bg-color-244 {
+    background-color: #808080;
+}
+
+.terminal .xterm-color-245 {
+    color: #8a8a8a;
+}
+
+.terminal .xterm-bg-color-245 {
+    background-color: #8a8a8a;
+}
+
+.terminal .xterm-color-246 {
+    color: #949494;
+}
+
+.terminal .xterm-bg-color-246 {
+    background-color: #949494;
+}
+
+.terminal .xterm-color-247 {
+    color: #9e9e9e;
+}
+
+.terminal .xterm-bg-color-247 {
+    background-color: #9e9e9e;
+}
+
+.terminal .xterm-color-248 {
+    color: #a8a8a8;
+}
+
+.terminal .xterm-bg-color-248 {
+    background-color: #a8a8a8;
+}
+
+.terminal .xterm-color-249 {
+    color: #b2b2b2;
+}
+
+.terminal .xterm-bg-color-249 {
+    background-color: #b2b2b2;
+}
+
+.terminal .xterm-color-250 {
+    color: #bcbcbc;
+}
+
+.terminal .xterm-bg-color-250 {
+    background-color: #bcbcbc;
+}
+
+.terminal .xterm-color-251 {
+    color: #c6c6c6;
+}
+
+.terminal .xterm-bg-color-251 {
+    background-color: #c6c6c6;
+}
+
+.terminal .xterm-color-252 {
+    color: #d0d0d0;
+}
+
+.terminal .xterm-bg-color-252 {
+    background-color: #d0d0d0;
+}
+
+.terminal .xterm-color-253 {
+    color: #dadada;
+}
+
+.terminal .xterm-bg-color-253 {
+    background-color: #dadada;
+}
+
+.terminal .xterm-color-254 {
+    color: #e4e4e4;
+}
+
+.terminal .xterm-bg-color-254 {
+    background-color: #e4e4e4;
+}
+
+.terminal .xterm-color-255 {
+    color: #eeeeee;
+}
+
+.terminal .xterm-bg-color-255 {
+    background-color: #eeeeee;
+}
diff --git a/apps/static/js/plugins/xterm/xterm.js b/apps/static/js/plugins/xterm/xterm.js
new file mode 100644
index 000000000..4b6f223a8
--- /dev/null
+++ b/apps/static/js/plugins/xterm/xterm.js
@@ -0,0 +1,5132 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var CircularList_1 = require("./utils/CircularList");
+var Buffer = (function () {
+    function Buffer(_terminal) {
+        this._terminal = _terminal;
+        this.clear();
+    }
+    Object.defineProperty(Buffer.prototype, "lines", {
+        get: function () {
+            return this._lines;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Buffer.prototype.fillViewportRows = function () {
+        if (this._lines.length === 0) {
+            var i = this._terminal.rows;
+            while (i--) {
+                this.lines.push(this._terminal.blankLine());
+            }
+        }
+    };
+    Buffer.prototype.clear = function () {
+        this.ydisp = 0;
+        this.ybase = 0;
+        this.y = 0;
+        this.x = 0;
+        this.scrollBottom = 0;
+        this.scrollTop = 0;
+        this.tabs = {};
+        this._lines = new CircularList_1.CircularList(this._terminal.scrollback);
+        this.scrollBottom = this._terminal.rows - 1;
+    };
+    Buffer.prototype.resize = function (newCols, newRows) {
+        if (this._lines.length === 0) {
+            return;
+        }
+        if (this._terminal.cols < newCols) {
+            var ch = [this._terminal.defAttr, ' ', 1];
+            for (var i = 0; i < this._lines.length; i++) {
+                if (this._lines.get(i) === undefined) {
+                    this._lines.set(i, this._terminal.blankLine(undefined, undefined, newCols));
+                }
+                while (this._lines.get(i).length < newCols) {
+                    this._lines.get(i).push(ch);
+                }
+            }
+        }
+        var addToY = 0;
+        if (this._terminal.rows < newRows) {
+            for (var y = this._terminal.rows; y < newRows; y++) {
+                if (this._lines.length < newRows + this.ybase) {
+                    if (this.ybase > 0 && this._lines.length <= this.ybase + this.y + addToY + 1) {
+                        this.ybase--;
+                        addToY++;
+                        if (this.ydisp > 0) {
+                            this.ydisp--;
+                        }
+                    }
+                    else {
+                        this._lines.push(this._terminal.blankLine(undefined, undefined, newCols));
+                    }
+                }
+            }
+        }
+        else {
+            for (var y = this._terminal.rows; y > newRows; y--) {
+                if (this._lines.length > newRows + this.ybase) {
+                    if (this._lines.length > this.ybase + this.y + 1) {
+                        this._lines.pop();
+                    }
+                    else {
+                        this.ybase++;
+                        this.ydisp++;
+                    }
+                }
+            }
+        }
+        if (this.y >= newRows) {
+            this.y = newRows - 1;
+        }
+        if (addToY) {
+            this.y += addToY;
+        }
+        if (this.x >= newCols) {
+            this.x = newCols - 1;
+        }
+        this.scrollTop = 0;
+        this.scrollBottom = newRows - 1;
+    };
+    return Buffer;
+}());
+exports.Buffer = Buffer;
+
+
+
+},{"./utils/CircularList":18}],2:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("./Buffer");
+var EventEmitter_1 = require("./EventEmitter");
+var BufferSet = (function (_super) {
+    __extends(BufferSet, _super);
+    function BufferSet(_terminal) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._normal = new Buffer_1.Buffer(_this._terminal);
+        _this._normal.fillViewportRows();
+        _this._alt = new Buffer_1.Buffer(_this._terminal);
+        _this._activeBuffer = _this._normal;
+        return _this;
+    }
+    Object.defineProperty(BufferSet.prototype, "alt", {
+        get: function () {
+            return this._alt;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(BufferSet.prototype, "active", {
+        get: function () {
+            return this._activeBuffer;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(BufferSet.prototype, "normal", {
+        get: function () {
+            return this._normal;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    BufferSet.prototype.activateNormalBuffer = function () {
+        this._alt.clear();
+        this._activeBuffer = this._normal;
+        this.emit('activate', this._normal);
+    };
+    BufferSet.prototype.activateAltBuffer = function () {
+        this._alt.fillViewportRows();
+        this._activeBuffer = this._alt;
+        this.emit('activate', this._alt);
+    };
+    BufferSet.prototype.resize = function (newCols, newRows) {
+        this._normal.resize(newCols, newRows);
+        this._alt.resize(newCols, newRows);
+    };
+    return BufferSet;
+}(EventEmitter_1.EventEmitter));
+exports.BufferSet = BufferSet;
+
+
+
+},{"./Buffer":1,"./EventEmitter":6}],3:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CHARSETS = {};
+exports.DEFAULT_CHARSET = exports.CHARSETS['B'];
+exports.CHARSETS['0'] = {
+    '`': '\u25c6',
+    'a': '\u2592',
+    'b': '\u0009',
+    'c': '\u000c',
+    'd': '\u000d',
+    'e': '\u000a',
+    'f': '\u00b0',
+    'g': '\u00b1',
+    'h': '\u2424',
+    'i': '\u000b',
+    'j': '\u2518',
+    'k': '\u2510',
+    'l': '\u250c',
+    'm': '\u2514',
+    'n': '\u253c',
+    'o': '\u23ba',
+    'p': '\u23bb',
+    'q': '\u2500',
+    'r': '\u23bc',
+    's': '\u23bd',
+    't': '\u251c',
+    'u': '\u2524',
+    'v': '\u2534',
+    'w': '\u252c',
+    'x': '\u2502',
+    'y': '\u2264',
+    'z': '\u2265',
+    '{': '\u03c0',
+    '|': '\u2260',
+    '}': '\u00a3',
+    '~': '\u00b7'
+};
+exports.CHARSETS['A'] = {
+    '#': '£'
+};
+exports.CHARSETS['B'] = null;
+exports.CHARSETS['4'] = {
+    '#': '£',
+    '@': '¾',
+    '[': 'ij',
+    '\\': '½',
+    ']': '|',
+    '{': '¨',
+    '|': 'f',
+    '}': '¼',
+    '~': '´'
+};
+exports.CHARSETS['C'] =
+    exports.CHARSETS['5'] = {
+        '[': 'Ä',
+        '\\': 'Ö',
+        ']': 'Å',
+        '^': 'Ü',
+        '`': 'é',
+        '{': 'ä',
+        '|': 'ö',
+        '}': 'å',
+        '~': 'ü'
+    };
+exports.CHARSETS['R'] = {
+    '#': '£',
+    '@': 'à',
+    '[': '°',
+    '\\': 'ç',
+    ']': '§',
+    '{': 'é',
+    '|': 'ù',
+    '}': 'è',
+    '~': '¨'
+};
+exports.CHARSETS['Q'] = {
+    '@': 'à',
+    '[': 'â',
+    '\\': 'ç',
+    ']': 'ê',
+    '^': 'î',
+    '`': 'ô',
+    '{': 'é',
+    '|': 'ù',
+    '}': 'è',
+    '~': 'û'
+};
+exports.CHARSETS['K'] = {
+    '@': '§',
+    '[': 'Ä',
+    '\\': 'Ö',
+    ']': 'Ü',
+    '{': 'ä',
+    '|': 'ö',
+    '}': 'ü',
+    '~': 'ß'
+};
+exports.CHARSETS['Y'] = {
+    '#': '£',
+    '@': '§',
+    '[': '°',
+    '\\': 'ç',
+    ']': 'é',
+    '`': 'ù',
+    '{': 'à',
+    '|': 'ò',
+    '}': 'è',
+    '~': 'ì'
+};
+exports.CHARSETS['E'] =
+    exports.CHARSETS['6'] = {
+        '@': 'Ä',
+        '[': 'Æ',
+        '\\': 'Ø',
+        ']': 'Å',
+        '^': 'Ü',
+        '`': 'ä',
+        '{': 'æ',
+        '|': 'ø',
+        '}': 'å',
+        '~': 'ü'
+    };
+exports.CHARSETS['Z'] = {
+    '#': '£',
+    '@': '§',
+    '[': '¡',
+    '\\': 'Ñ',
+    ']': '¿',
+    '{': '°',
+    '|': 'ñ',
+    '}': 'ç'
+};
+exports.CHARSETS['H'] =
+    exports.CHARSETS['7'] = {
+        '@': 'É',
+        '[': 'Ä',
+        '\\': 'Ö',
+        ']': 'Å',
+        '^': 'Ü',
+        '`': 'é',
+        '{': 'ä',
+        '|': 'ö',
+        '}': 'å',
+        '~': 'ü'
+    };
+exports.CHARSETS['='] = {
+    '#': 'ù',
+    '@': 'à',
+    '[': 'é',
+    '\\': 'ç',
+    ']': 'ê',
+    '^': 'î',
+    '_': 'è',
+    '`': 'ô',
+    '{': 'ä',
+    '|': 'ö',
+    '}': 'ü',
+    '~': 'û'
+};
+
+
+
+},{}],4:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var CompositionHelper = (function () {
+    function CompositionHelper(textarea, compositionView, terminal) {
+        this.textarea = textarea;
+        this.compositionView = compositionView;
+        this.terminal = terminal;
+        this.isComposing = false;
+        this.isSendingComposition = false;
+        this.compositionPosition = { start: null, end: null };
+    }
+    CompositionHelper.prototype.compositionstart = function () {
+        this.isComposing = true;
+        this.compositionPosition.start = this.textarea.value.length;
+        this.compositionView.textContent = '';
+        this.compositionView.classList.add('active');
+    };
+    CompositionHelper.prototype.compositionupdate = function (ev) {
+        var _this = this;
+        this.compositionView.textContent = ev.data;
+        this.updateCompositionElements();
+        setTimeout(function () {
+            _this.compositionPosition.end = _this.textarea.value.length;
+        }, 0);
+    };
+    CompositionHelper.prototype.compositionend = function () {
+        this.finalizeComposition(true);
+    };
+    CompositionHelper.prototype.keydown = function (ev) {
+        if (this.isComposing || this.isSendingComposition) {
+            if (ev.keyCode === 229) {
+                return false;
+            }
+            else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
+                return false;
+            }
+            else {
+                this.finalizeComposition(false);
+            }
+        }
+        if (ev.keyCode === 229) {
+            this.handleAnyTextareaChanges();
+            return false;
+        }
+        return true;
+    };
+    CompositionHelper.prototype.finalizeComposition = function (waitForPropogation) {
+        var _this = this;
+        this.compositionView.classList.remove('active');
+        this.isComposing = false;
+        this.clearTextareaPosition();
+        if (!waitForPropogation) {
+            this.isSendingComposition = false;
+            var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);
+            this.terminal.handler(input);
+        }
+        else {
+            var currentCompositionPosition_1 = {
+                start: this.compositionPosition.start,
+                end: this.compositionPosition.end,
+            };
+            this.isSendingComposition = true;
+            setTimeout(function () {
+                if (_this.isSendingComposition) {
+                    _this.isSendingComposition = false;
+                    var input = void 0;
+                    if (_this.isComposing) {
+                        input = _this.textarea.value.substring(currentCompositionPosition_1.start, currentCompositionPosition_1.end);
+                    }
+                    else {
+                        input = _this.textarea.value.substring(currentCompositionPosition_1.start);
+                    }
+                    _this.terminal.handler(input);
+                }
+            }, 0);
+        }
+    };
+    CompositionHelper.prototype.handleAnyTextareaChanges = function () {
+        var _this = this;
+        var oldValue = this.textarea.value;
+        setTimeout(function () {
+            if (!_this.isComposing) {
+                var newValue = _this.textarea.value;
+                var diff = newValue.replace(oldValue, '');
+                if (diff.length > 0) {
+                    _this.terminal.handler(diff);
+                }
+            }
+        }, 0);
+    };
+    CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {
+        var _this = this;
+        if (!this.isComposing) {
+            return;
+        }
+        var cursor = this.terminal.element.querySelector('.terminal-cursor');
+        if (cursor) {
+            var xtermRows = this.terminal.element.querySelector('.xterm-rows');
+            var cursorTop = xtermRows.offsetTop + cursor.offsetTop;
+            this.compositionView.style.left = cursor.offsetLeft + 'px';
+            this.compositionView.style.top = cursorTop + 'px';
+            this.compositionView.style.height = cursor.offsetHeight + 'px';
+            this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';
+            var compositionViewBounds = this.compositionView.getBoundingClientRect();
+            this.textarea.style.left = cursor.offsetLeft + 'px';
+            this.textarea.style.top = cursorTop + 'px';
+            this.textarea.style.width = compositionViewBounds.width + 'px';
+            this.textarea.style.height = compositionViewBounds.height + 'px';
+            this.textarea.style.lineHeight = compositionViewBounds.height + 'px';
+        }
+        if (!dontRecurse) {
+            setTimeout(function () { return _this.updateCompositionElements(true); }, 0);
+        }
+    };
+    ;
+    CompositionHelper.prototype.clearTextareaPosition = function () {
+        this.textarea.style.left = '';
+        this.textarea.style.top = '';
+    };
+    ;
+    return CompositionHelper;
+}());
+exports.CompositionHelper = CompositionHelper;
+
+
+
+},{}],5:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var C0;
+(function (C0) {
+    C0.NUL = '\x00';
+    C0.SOH = '\x01';
+    C0.STX = '\x02';
+    C0.ETX = '\x03';
+    C0.EOT = '\x04';
+    C0.ENQ = '\x05';
+    C0.ACK = '\x06';
+    C0.BEL = '\x07';
+    C0.BS = '\x08';
+    C0.HT = '\x09';
+    C0.LF = '\x0a';
+    C0.VT = '\x0b';
+    C0.FF = '\x0c';
+    C0.CR = '\x0d';
+    C0.SO = '\x0e';
+    C0.SI = '\x0f';
+    C0.DLE = '\x10';
+    C0.DC1 = '\x11';
+    C0.DC2 = '\x12';
+    C0.DC3 = '\x13';
+    C0.DC4 = '\x14';
+    C0.NAK = '\x15';
+    C0.SYN = '\x16';
+    C0.ETB = '\x17';
+    C0.CAN = '\x18';
+    C0.EM = '\x19';
+    C0.SUB = '\x1a';
+    C0.ESC = '\x1b';
+    C0.FS = '\x1c';
+    C0.GS = '\x1d';
+    C0.RS = '\x1e';
+    C0.US = '\x1f';
+    C0.SP = '\x20';
+    C0.DEL = '\x7f';
+})(C0 = exports.C0 || (exports.C0 = {}));
+;
+
+
+
+},{}],6:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+;
+var EventEmitter = (function () {
+    function EventEmitter() {
+        this._events = this._events || {};
+    }
+    EventEmitter.prototype.on = function (type, listener) {
+        this._events[type] = this._events[type] || [];
+        this._events[type].push(listener);
+    };
+    EventEmitter.prototype.off = function (type, listener) {
+        if (!this._events[type]) {
+            return;
+        }
+        var obj = this._events[type];
+        var i = obj.length;
+        while (i--) {
+            if (obj[i] === listener || obj[i].listener === listener) {
+                obj.splice(i, 1);
+                return;
+            }
+        }
+    };
+    EventEmitter.prototype.removeAllListeners = function (type) {
+        if (this._events[type]) {
+            delete this._events[type];
+        }
+    };
+    EventEmitter.prototype.once = function (type, listener) {
+        function on() {
+            var args = Array.prototype.slice.call(arguments);
+            this.off(type, on);
+            return listener.apply(this, args);
+        }
+        on.listener = listener;
+        return this.on(type, on);
+    };
+    EventEmitter.prototype.emit = function (type) {
+        var args = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            args[_i - 1] = arguments[_i];
+        }
+        if (!this._events[type]) {
+            return;
+        }
+        var obj = this._events[type];
+        for (var i = 0; i < obj.length; i++) {
+            obj[i].apply(this, args);
+        }
+    };
+    EventEmitter.prototype.listeners = function (type) {
+        return this._events[type] || [];
+    };
+    return EventEmitter;
+}());
+exports.EventEmitter = EventEmitter;
+
+
+
+},{}],7:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var EscapeSequences_1 = require("./EscapeSequences");
+var Charsets_1 = require("./Charsets");
+var InputHandler = (function () {
+    function InputHandler(_terminal) {
+        this._terminal = _terminal;
+    }
+    InputHandler.prototype.addChar = function (char, code) {
+        if (char >= ' ') {
+            var ch_width = exports.wcwidth(code);
+            if (this._terminal.charset && this._terminal.charset[char]) {
+                char = this._terminal.charset[char];
+            }
+            var row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+            if (!ch_width && this._terminal.buffer.x) {
+                if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1]) {
+                    if (!this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][2]) {
+                        if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2])
+                            this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2][1] += char;
+                    }
+                    else {
+                        this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][1] += char;
+                    }
+                    this._terminal.updateRange(this._terminal.buffer.y);
+                }
+                return;
+            }
+            if (this._terminal.buffer.x + ch_width - 1 >= this._terminal.cols) {
+                if (this._terminal.wraparoundMode) {
+                    this._terminal.buffer.x = 0;
+                    this._terminal.buffer.y++;
+                    if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {
+                        this._terminal.buffer.y--;
+                        this._terminal.scroll(true);
+                    }
+                    else {
+                        this._terminal.buffer.lines.get(this._terminal.buffer.y).isWrapped = true;
+                    }
+                }
+                else {
+                    if (ch_width === 2)
+                        return;
+                }
+            }
+            row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+            if (this._terminal.insertMode) {
+                for (var moves = 0; moves < ch_width; ++moves) {
+                    var removed = this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).pop();
+                    if (removed[2] === 0
+                        && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2]
+                        && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2][2] === 2) {
+                        this._terminal.buffer.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];
+                    }
+                    this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 0, [this._terminal.curAttr, ' ', 1]);
+                }
+            }
+            this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, char, ch_width];
+            this._terminal.buffer.x++;
+            this._terminal.updateRange(this._terminal.buffer.y);
+            if (ch_width === 2) {
+                this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, '', 0];
+                this._terminal.buffer.x++;
+            }
+        }
+    };
+    InputHandler.prototype.bell = function () {
+        var _this = this;
+        if (!this._terminal.visualBell) {
+            return;
+        }
+        this._terminal.element.style.borderColor = 'white';
+        setTimeout(function () { return _this._terminal.element.style.borderColor = ''; }, 10);
+        if (this._terminal.popOnBell) {
+            this._terminal.focus();
+        }
+    };
+    InputHandler.prototype.lineFeed = function () {
+        if (this._terminal.convertEol) {
+            this._terminal.buffer.x = 0;
+        }
+        this._terminal.buffer.y++;
+        if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {
+            this._terminal.buffer.y--;
+            this._terminal.scroll();
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+        this._terminal.emit('lineFeed');
+    };
+    InputHandler.prototype.carriageReturn = function () {
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.backspace = function () {
+        if (this._terminal.buffer.x > 0) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.tab = function () {
+        this._terminal.buffer.x = this._terminal.nextStop();
+    };
+    InputHandler.prototype.shiftOut = function () {
+        this._terminal.setgLevel(1);
+    };
+    InputHandler.prototype.shiftIn = function () {
+        this._terminal.setgLevel(0);
+    };
+    InputHandler.prototype.insertChars = function (params) {
+        var param, row, j, ch;
+        param = params[0];
+        if (param < 1)
+            param = 1;
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.buffer.x;
+        ch = [this._terminal.eraseAttr(), ' ', 1];
+        while (param-- && j < this._terminal.cols) {
+            this._terminal.buffer.lines.get(row).splice(j++, 0, ch);
+            this._terminal.buffer.lines.get(row).pop();
+        }
+    };
+    InputHandler.prototype.cursorUp = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y -= param;
+        if (this._terminal.buffer.y < 0) {
+            this._terminal.buffer.y = 0;
+        }
+    };
+    InputHandler.prototype.cursorDown = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.cursorForward = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x += param;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.cursorBackward = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+        this._terminal.buffer.x -= param;
+        if (this._terminal.buffer.x < 0) {
+            this._terminal.buffer.x = 0;
+        }
+    };
+    InputHandler.prototype.cursorNextLine = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.cursorPrecedingLine = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y -= param;
+        if (this._terminal.buffer.y < 0) {
+            this._terminal.buffer.y = 0;
+        }
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.cursorCharAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x = param - 1;
+    };
+    InputHandler.prototype.cursorPosition = function (params) {
+        var row, col;
+        row = params[0] - 1;
+        if (params.length >= 2) {
+            col = params[1] - 1;
+        }
+        else {
+            col = 0;
+        }
+        if (row < 0) {
+            row = 0;
+        }
+        else if (row >= this._terminal.rows) {
+            row = this._terminal.rows - 1;
+        }
+        if (col < 0) {
+            col = 0;
+        }
+        else if (col >= this._terminal.cols) {
+            col = this._terminal.cols - 1;
+        }
+        this._terminal.buffer.x = col;
+        this._terminal.buffer.y = row;
+    };
+    InputHandler.prototype.cursorForwardTab = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.x = this._terminal.nextStop();
+        }
+    };
+    InputHandler.prototype.eraseInDisplay = function (params) {
+        var j;
+        switch (params[0]) {
+            case 0:
+                this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
+                j = this._terminal.buffer.y + 1;
+                for (; j < this._terminal.rows; j++) {
+                    this._terminal.eraseLine(j);
+                }
+                break;
+            case 1:
+                this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
+                j = this._terminal.buffer.y;
+                while (j--) {
+                    this._terminal.eraseLine(j);
+                }
+                break;
+            case 2:
+                j = this._terminal.rows;
+                while (j--)
+                    this._terminal.eraseLine(j);
+                break;
+            case 3:
+                var scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;
+                if (scrollBackSize > 0) {
+                    this._terminal.buffer.lines.trimStart(scrollBackSize);
+                    this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);
+                    this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);
+                    this._terminal.emit('scroll', 0);
+                }
+                break;
+        }
+    };
+    InputHandler.prototype.eraseInLine = function (params) {
+        switch (params[0]) {
+            case 0:
+                this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
+                break;
+            case 1:
+                this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
+                break;
+            case 2:
+                this._terminal.eraseLine(this._terminal.buffer.y);
+                break;
+        }
+    };
+    InputHandler.prototype.insertLines = function (params) {
+        var param, row, j;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;
+        j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j + 1;
+        while (param--) {
+            if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
+                this._terminal.buffer.lines.trimStart(1);
+                this._terminal.buffer.ybase--;
+                this._terminal.buffer.ydisp--;
+                row--;
+                j--;
+            }
+            this._terminal.buffer.lines.splice(row, 0, this._terminal.blankLine(true));
+            this._terminal.buffer.lines.splice(j, 1);
+        }
+        this._terminal.updateRange(this._terminal.buffer.y);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.deleteLines = function (params) {
+        var param, row, j;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;
+        j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j;
+        while (param--) {
+            if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
+                this._terminal.buffer.lines.trimStart(1);
+                this._terminal.buffer.ybase -= 1;
+                this._terminal.buffer.ydisp -= 1;
+            }
+            this._terminal.buffer.lines.splice(j + 1, 0, this._terminal.blankLine(true));
+            this._terminal.buffer.lines.splice(row, 1);
+        }
+        this._terminal.updateRange(this._terminal.buffer.y);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.deleteChars = function (params) {
+        var param, row, ch;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        ch = [this._terminal.eraseAttr(), ' ', 1];
+        while (param--) {
+            this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 1);
+            this._terminal.buffer.lines.get(row).push(ch);
+        }
+    };
+    InputHandler.prototype.scrollUp = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 1);
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 0, this._terminal.blankLine());
+        }
+        this._terminal.updateRange(this._terminal.buffer.scrollTop);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.scrollDown = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 1);
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 0, this._terminal.blankLine());
+        }
+        this._terminal.updateRange(this._terminal.buffer.scrollTop);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.eraseChars = function (params) {
+        var param, row, j, ch;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.buffer.x;
+        ch = [this._terminal.eraseAttr(), ' ', 1];
+        while (param-- && j < this._terminal.cols) {
+            this._terminal.buffer.lines.get(row)[j++] = ch;
+        }
+    };
+    InputHandler.prototype.cursorBackwardTab = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.x = this._terminal.prevStop();
+        }
+    };
+    InputHandler.prototype.charPosAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x = param - 1;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.HPositionRelative = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x += param;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.repeatPrecedingCharacter = function (params) {
+        var param = params[0] || 1, line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + this._terminal.buffer.y), ch = line[this._terminal.buffer.x - 1] || [this._terminal.defAttr, ' ', 1];
+        while (param--) {
+            line[this._terminal.buffer.x++] = ch;
+        }
+    };
+    InputHandler.prototype.sendDeviceAttributes = function (params) {
+        if (params[0] > 0) {
+            return;
+        }
+        if (!this._terminal.prefix) {
+            if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[?1;2c');
+            }
+            else if (this._terminal.is('linux')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[?6c');
+            }
+        }
+        else if (this._terminal.prefix === '>') {
+            if (this._terminal.is('xterm')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[>0;276;0c');
+            }
+            else if (this._terminal.is('rxvt-unicode')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[>85;95;0c');
+            }
+            else if (this._terminal.is('linux')) {
+                this._terminal.send(params[0] + 'c');
+            }
+            else if (this._terminal.is('screen')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[>83;40003;0c');
+            }
+        }
+    };
+    InputHandler.prototype.linePosAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y = param - 1;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+    };
+    InputHandler.prototype.VPositionRelative = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.HVPosition = function (params) {
+        if (params[0] < 1)
+            params[0] = 1;
+        if (params[1] < 1)
+            params[1] = 1;
+        this._terminal.buffer.y = params[0] - 1;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        this._terminal.buffer.x = params[1] - 1;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.tabClear = function (params) {
+        var param = params[0];
+        if (param <= 0) {
+            delete this._terminal.buffer.tabs[this._terminal.buffer.x];
+        }
+        else if (param === 3) {
+            this._terminal.buffer.tabs = {};
+        }
+    };
+    InputHandler.prototype.setMode = function (params) {
+        if (params.length > 1) {
+            for (var i = 0; i < params.length; i++) {
+                this.setMode([params[i]]);
+            }
+            return;
+        }
+        if (!this._terminal.prefix) {
+            switch (params[0]) {
+                case 4:
+                    this._terminal.insertMode = true;
+                    break;
+                case 20:
+                    break;
+            }
+        }
+        else if (this._terminal.prefix === '?') {
+            switch (params[0]) {
+                case 1:
+                    this._terminal.applicationCursor = true;
+                    break;
+                case 2:
+                    this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(1, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(2, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(3, Charsets_1.DEFAULT_CHARSET);
+                    break;
+                case 3:
+                    this._terminal.savedCols = this._terminal.cols;
+                    this._terminal.resize(132, this._terminal.rows);
+                    break;
+                case 6:
+                    this._terminal.originMode = true;
+                    break;
+                case 7:
+                    this._terminal.wraparoundMode = true;
+                    break;
+                case 12:
+                    break;
+                case 66:
+                    this._terminal.log('Serial port requested application keypad.');
+                    this._terminal.applicationKeypad = true;
+                    this._terminal.viewport.syncScrollArea();
+                    break;
+                case 9:
+                case 1000:
+                case 1002:
+                case 1003:
+                    this._terminal.x10Mouse = params[0] === 9;
+                    this._terminal.vt200Mouse = params[0] === 1000;
+                    this._terminal.normalMouse = params[0] > 1000;
+                    this._terminal.mouseEvents = true;
+                    this._terminal.element.classList.add('enable-mouse-events');
+                    this._terminal.selectionManager.disable();
+                    this._terminal.log('Binding to mouse events.');
+                    break;
+                case 1004:
+                    this._terminal.sendFocus = true;
+                    break;
+                case 1005:
+                    this._terminal.utfMouse = true;
+                    break;
+                case 1006:
+                    this._terminal.sgrMouse = true;
+                    break;
+                case 1015:
+                    this._terminal.urxvtMouse = true;
+                    break;
+                case 25:
+                    this._terminal.cursorHidden = false;
+                    break;
+                case 1049:
+                case 47:
+                case 1047:
+                    this._terminal.buffers.activateAltBuffer();
+                    this._terminal.viewport.syncScrollArea();
+                    this._terminal.showCursor();
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.resetMode = function (params) {
+        if (params.length > 1) {
+            for (var i = 0; i < params.length; i++) {
+                this.resetMode([params[i]]);
+            }
+            return;
+        }
+        if (!this._terminal.prefix) {
+            switch (params[0]) {
+                case 4:
+                    this._terminal.insertMode = false;
+                    break;
+                case 20:
+                    break;
+            }
+        }
+        else if (this._terminal.prefix === '?') {
+            switch (params[0]) {
+                case 1:
+                    this._terminal.applicationCursor = false;
+                    break;
+                case 3:
+                    if (this._terminal.cols === 132 && this._terminal.savedCols) {
+                        this._terminal.resize(this._terminal.savedCols, this._terminal.rows);
+                    }
+                    delete this._terminal.savedCols;
+                    break;
+                case 6:
+                    this._terminal.originMode = false;
+                    break;
+                case 7:
+                    this._terminal.wraparoundMode = false;
+                    break;
+                case 12:
+                    break;
+                case 66:
+                    this._terminal.log('Switching back to normal keypad.');
+                    this._terminal.applicationKeypad = false;
+                    this._terminal.viewport.syncScrollArea();
+                    break;
+                case 9:
+                case 1000:
+                case 1002:
+                case 1003:
+                    this._terminal.x10Mouse = false;
+                    this._terminal.vt200Mouse = false;
+                    this._terminal.normalMouse = false;
+                    this._terminal.mouseEvents = false;
+                    this._terminal.element.classList.remove('enable-mouse-events');
+                    this._terminal.selectionManager.enable();
+                    break;
+                case 1004:
+                    this._terminal.sendFocus = false;
+                    break;
+                case 1005:
+                    this._terminal.utfMouse = false;
+                    break;
+                case 1006:
+                    this._terminal.sgrMouse = false;
+                    break;
+                case 1015:
+                    this._terminal.urxvtMouse = false;
+                    break;
+                case 25:
+                    this._terminal.cursorHidden = true;
+                    break;
+                case 1049:
+                case 47:
+                case 1047:
+                    this._terminal.buffers.activateNormalBuffer();
+                    this._terminal.selectionManager.setBuffer(this._terminal.buffer.lines);
+                    this._terminal.refresh(0, this._terminal.rows - 1);
+                    this._terminal.viewport.syncScrollArea();
+                    this._terminal.showCursor();
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.charAttributes = function (params) {
+        if (params.length === 1 && params[0] === 0) {
+            this._terminal.curAttr = this._terminal.defAttr;
+            return;
+        }
+        var l = params.length, i = 0, flags = this._terminal.curAttr >> 18, fg = (this._terminal.curAttr >> 9) & 0x1ff, bg = this._terminal.curAttr & 0x1ff, p;
+        for (; i < l; i++) {
+            p = params[i];
+            if (p >= 30 && p <= 37) {
+                fg = p - 30;
+            }
+            else if (p >= 40 && p <= 47) {
+                bg = p - 40;
+            }
+            else if (p >= 90 && p <= 97) {
+                p += 8;
+                fg = p - 90;
+            }
+            else if (p >= 100 && p <= 107) {
+                p += 8;
+                bg = p - 100;
+            }
+            else if (p === 0) {
+                flags = this._terminal.defAttr >> 18;
+                fg = (this._terminal.defAttr >> 9) & 0x1ff;
+                bg = this._terminal.defAttr & 0x1ff;
+            }
+            else if (p === 1) {
+                flags |= 1;
+            }
+            else if (p === 4) {
+                flags |= 2;
+            }
+            else if (p === 5) {
+                flags |= 4;
+            }
+            else if (p === 7) {
+                flags |= 8;
+            }
+            else if (p === 8) {
+                flags |= 16;
+            }
+            else if (p === 22) {
+                flags &= ~1;
+            }
+            else if (p === 24) {
+                flags &= ~2;
+            }
+            else if (p === 25) {
+                flags &= ~4;
+            }
+            else if (p === 27) {
+                flags &= ~8;
+            }
+            else if (p === 28) {
+                flags &= ~16;
+            }
+            else if (p === 39) {
+                fg = (this._terminal.defAttr >> 9) & 0x1ff;
+            }
+            else if (p === 49) {
+                bg = this._terminal.defAttr & 0x1ff;
+            }
+            else if (p === 38) {
+                if (params[i + 1] === 2) {
+                    i += 2;
+                    fg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+                    if (fg === -1)
+                        fg = 0x1ff;
+                    i += 2;
+                }
+                else if (params[i + 1] === 5) {
+                    i += 2;
+                    p = params[i] & 0xff;
+                    fg = p;
+                }
+            }
+            else if (p === 48) {
+                if (params[i + 1] === 2) {
+                    i += 2;
+                    bg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+                    if (bg === -1)
+                        bg = 0x1ff;
+                    i += 2;
+                }
+                else if (params[i + 1] === 5) {
+                    i += 2;
+                    p = params[i] & 0xff;
+                    bg = p;
+                }
+            }
+            else if (p === 100) {
+                fg = (this._terminal.defAttr >> 9) & 0x1ff;
+                bg = this._terminal.defAttr & 0x1ff;
+            }
+            else {
+                this._terminal.error('Unknown SGR attribute: %d.', p);
+            }
+        }
+        this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;
+    };
+    InputHandler.prototype.deviceStatus = function (params) {
+        if (!this._terminal.prefix) {
+            switch (params[0]) {
+                case 5:
+                    this._terminal.send(EscapeSequences_1.C0.ESC + '[0n');
+                    break;
+                case 6:
+                    this._terminal.send(EscapeSequences_1.C0.ESC + '['
+                        + (this._terminal.buffer.y + 1)
+                        + ';'
+                        + (this._terminal.buffer.x + 1)
+                        + 'R');
+                    break;
+            }
+        }
+        else if (this._terminal.prefix === '?') {
+            switch (params[0]) {
+                case 6:
+                    this._terminal.send(EscapeSequences_1.C0.ESC + '[?'
+                        + (this._terminal.buffer.y + 1)
+                        + ';'
+                        + (this._terminal.buffer.x + 1)
+                        + 'R');
+                    break;
+                case 15:
+                    break;
+                case 25:
+                    break;
+                case 26:
+                    break;
+                case 53:
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.softReset = function (params) {
+        this._terminal.cursorHidden = false;
+        this._terminal.insertMode = false;
+        this._terminal.originMode = false;
+        this._terminal.wraparoundMode = true;
+        this._terminal.applicationKeypad = false;
+        this._terminal.viewport.syncScrollArea();
+        this._terminal.applicationCursor = false;
+        this._terminal.buffer.scrollTop = 0;
+        this._terminal.buffer.scrollBottom = this._terminal.rows - 1;
+        this._terminal.curAttr = this._terminal.defAttr;
+        this._terminal.buffer.x = this._terminal.buffer.y = 0;
+        this._terminal.charset = null;
+        this._terminal.glevel = 0;
+        this._terminal.charsets = [null];
+    };
+    InputHandler.prototype.setCursorStyle = function (params) {
+        var param = params[0] < 1 ? 1 : params[0];
+        switch (param) {
+            case 1:
+            case 2:
+                this._terminal.setOption('cursorStyle', 'block');
+                break;
+            case 3:
+            case 4:
+                this._terminal.setOption('cursorStyle', 'underline');
+                break;
+            case 5:
+            case 6:
+                this._terminal.setOption('cursorStyle', 'bar');
+                break;
+        }
+        var isBlinking = param % 2 === 1;
+        this._terminal.setOption('cursorBlink', isBlinking);
+    };
+    InputHandler.prototype.setScrollRegion = function (params) {
+        if (this._terminal.prefix)
+            return;
+        this._terminal.buffer.scrollTop = (params[0] || 1) - 1;
+        this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;
+        this._terminal.buffer.x = 0;
+        this._terminal.buffer.y = 0;
+    };
+    InputHandler.prototype.saveCursor = function (params) {
+        this._terminal.buffer.savedX = this._terminal.buffer.x;
+        this._terminal.buffer.savedY = this._terminal.buffer.y;
+    };
+    InputHandler.prototype.restoreCursor = function (params) {
+        this._terminal.buffer.x = this._terminal.buffer.savedX || 0;
+        this._terminal.buffer.y = this._terminal.buffer.savedY || 0;
+    };
+    return InputHandler;
+}());
+exports.InputHandler = InputHandler;
+exports.wcwidth = (function (opts) {
+    var COMBINING_BMP = [
+        [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+        [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+        [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+        [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+        [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+        [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+        [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+        [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+        [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+        [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+        [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+        [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+        [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+        [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+        [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+        [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+        [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+        [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+        [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+        [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+        [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+        [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+        [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+        [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+        [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+        [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+        [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+        [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+        [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+        [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+        [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+        [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+        [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+        [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+        [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+        [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+        [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+        [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+        [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+        [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+        [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+        [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+        [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
+    ];
+    var COMBINING_HIGH = [
+        [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+        [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+        [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+        [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+        [0xE0100, 0xE01EF]
+    ];
+    function bisearch(ucs, data) {
+        var min = 0;
+        var max = data.length - 1;
+        var mid;
+        if (ucs < data[0][0] || ucs > data[max][1])
+            return false;
+        while (max >= min) {
+            mid = (min + max) >> 1;
+            if (ucs > data[mid][1])
+                min = mid + 1;
+            else if (ucs < data[mid][0])
+                max = mid - 1;
+            else
+                return true;
+        }
+        return false;
+    }
+    function wcwidthBMP(ucs) {
+        if (ucs === 0)
+            return opts.nul;
+        if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
+            return opts.control;
+        if (bisearch(ucs, COMBINING_BMP))
+            return 0;
+        if (isWideBMP(ucs)) {
+            return 2;
+        }
+        return 1;
+    }
+    function isWideBMP(ucs) {
+        return (ucs >= 0x1100 && (ucs <= 0x115f ||
+            ucs === 0x2329 ||
+            ucs === 0x232a ||
+            (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||
+            (ucs >= 0xac00 && ucs <= 0xd7a3) ||
+            (ucs >= 0xf900 && ucs <= 0xfaff) ||
+            (ucs >= 0xfe10 && ucs <= 0xfe19) ||
+            (ucs >= 0xfe30 && ucs <= 0xfe6f) ||
+            (ucs >= 0xff00 && ucs <= 0xff60) ||
+            (ucs >= 0xffe0 && ucs <= 0xffe6)));
+    }
+    function wcwidthHigh(ucs) {
+        if (bisearch(ucs, COMBINING_HIGH))
+            return 0;
+        if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
+            return 2;
+        }
+        return 1;
+    }
+    var control = opts.control | 0;
+    var table = null;
+    function init_table() {
+        var CODEPOINTS = 65536;
+        var BITWIDTH = 2;
+        var ITEMSIZE = 32;
+        var CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;
+        var CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;
+        table = (typeof Uint32Array === 'undefined')
+            ? new Array(CONTAINERSIZE)
+            : new Uint32Array(CONTAINERSIZE);
+        for (var i = 0; i < CONTAINERSIZE; ++i) {
+            var num = 0;
+            var pos = CODEPOINTS_PER_ITEM;
+            while (pos--)
+                num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);
+            table[i] = num;
+        }
+        return table;
+    }
+    return function (num) {
+        num = num | 0;
+        if (num < 32)
+            return control | 0;
+        if (num < 127)
+            return 1;
+        var t = table || init_table();
+        if (num < 65536)
+            return t[num >> 4] >> ((num & 15) << 1) & 3;
+        return wcwidthHigh(num);
+    };
+})({ nul: 0, control: 0 });
+
+
+
+},{"./Charsets":3,"./EscapeSequences":5}],8:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var INVALID_LINK_CLASS = 'xterm-invalid-link';
+var protocolClause = '(https?:\\/\\/)';
+var domainCharacterSet = '[\\da-z\\.-]+';
+var negatedDomainCharacterSet = '[^\\da-z\\.-]+';
+var domainBodyClause = '(' + domainCharacterSet + ')';
+var tldClause = '([a-z\\.]{2,6})';
+var ipClause = '((\\d{1,3}\\.){3}\\d{1,3})';
+var localHostClause = '(localhost)';
+var portClause = '(:\\d{1,5})';
+var hostClause = '((' + domainBodyClause + '\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';
+var pathClause = '(\\/[\\/\\w\\.\\-%~]*)*';
+var queryStringHashFragmentCharacterSet = '[0-9\\w\\[\\]\\(\\)\\/\\?\\!#@$%&\'*+,:;~\\=\\.\\-]*';
+var queryStringClause = '(\\?' + queryStringHashFragmentCharacterSet + ')?';
+var hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';
+var negatedPathCharacterSet = '[^\\/\\w\\.\\-%]+';
+var bodyClause = hostClause + pathClause + queryStringClause + hashFragmentClause;
+var start = '(?:^|' + negatedDomainCharacterSet + ')(';
+var end = ')($|' + negatedPathCharacterSet + ')';
+var strictUrlRegex = new RegExp(start + protocolClause + bodyClause + end);
+var HYPERTEXT_LINK_MATCHER_ID = 0;
+var Linkifier = (function () {
+    function Linkifier() {
+        this._nextLinkMatcherId = HYPERTEXT_LINK_MATCHER_ID;
+        this._rowTimeoutIds = [];
+        this._linkMatchers = [];
+        this.registerLinkMatcher(strictUrlRegex, null, { matchIndex: 1 });
+    }
+    Linkifier.prototype.attachToDom = function (document, rows) {
+        this._document = document;
+        this._rows = rows;
+    };
+    Linkifier.prototype.linkifyRow = function (rowIndex) {
+        if (!this._document) {
+            return;
+        }
+        var timeoutId = this._rowTimeoutIds[rowIndex];
+        if (timeoutId) {
+            clearTimeout(timeoutId);
+        }
+        this._rowTimeoutIds[rowIndex] = setTimeout(this._linkifyRow.bind(this, rowIndex), Linkifier.TIME_BEFORE_LINKIFY);
+    };
+    Linkifier.prototype.setHypertextLinkHandler = function (handler) {
+        this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler;
+    };
+    Linkifier.prototype.setHypertextValidationCallback = function (callback) {
+        this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback;
+    };
+    Linkifier.prototype.registerLinkMatcher = function (regex, handler, options) {
+        if (options === void 0) { options = {}; }
+        if (this._nextLinkMatcherId !== HYPERTEXT_LINK_MATCHER_ID && !handler) {
+            throw new Error('handler must be defined');
+        }
+        var matcher = {
+            id: this._nextLinkMatcherId++,
+            regex: regex,
+            handler: handler,
+            matchIndex: options.matchIndex,
+            validationCallback: options.validationCallback,
+            priority: options.priority || 0
+        };
+        this._addLinkMatcherToList(matcher);
+        return matcher.id;
+    };
+    Linkifier.prototype._addLinkMatcherToList = function (matcher) {
+        if (this._linkMatchers.length === 0) {
+            this._linkMatchers.push(matcher);
+            return;
+        }
+        for (var i = this._linkMatchers.length - 1; i >= 0; i--) {
+            if (matcher.priority <= this._linkMatchers[i].priority) {
+                this._linkMatchers.splice(i + 1, 0, matcher);
+                return;
+            }
+        }
+        this._linkMatchers.splice(0, 0, matcher);
+    };
+    Linkifier.prototype.deregisterLinkMatcher = function (matcherId) {
+        for (var i = 1; i < this._linkMatchers.length; i++) {
+            if (this._linkMatchers[i].id === matcherId) {
+                this._linkMatchers.splice(i, 1);
+                return true;
+            }
+        }
+        return false;
+    };
+    Linkifier.prototype._linkifyRow = function (rowIndex) {
+        var row = this._rows[rowIndex];
+        if (!row) {
+            return;
+        }
+        var text = row.textContent;
+        for (var i = 0; i < this._linkMatchers.length; i++) {
+            var matcher = this._linkMatchers[i];
+            var linkElements = this._doLinkifyRow(row, matcher);
+            if (linkElements.length > 0) {
+                if (matcher.validationCallback) {
+                    var _loop_1 = function (j) {
+                        var element = linkElements[j];
+                        matcher.validationCallback(element.textContent, element, function (isValid) {
+                            if (!isValid) {
+                                element.classList.add(INVALID_LINK_CLASS);
+                            }
+                        });
+                    };
+                    for (var j = 0; j < linkElements.length; j++) {
+                        _loop_1(j);
+                    }
+                }
+                return;
+            }
+        }
+    };
+    Linkifier.prototype._doLinkifyRow = function (row, matcher) {
+        var result = [];
+        var isHttpLinkMatcher = matcher.id === HYPERTEXT_LINK_MATCHER_ID;
+        var nodes = row.childNodes;
+        var match = row.textContent.match(matcher.regex);
+        if (!match || match.length === 0) {
+            return result;
+        }
+        var uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
+        var rowStartIndex = match.index + uri.length;
+        for (var i = 0; i < nodes.length; i++) {
+            var node = nodes[i];
+            var searchIndex = node.textContent.indexOf(uri);
+            if (searchIndex >= 0) {
+                var linkElement = this._createAnchorElement(uri, matcher.handler, isHttpLinkMatcher);
+                if (node.textContent.length === uri.length) {
+                    if (node.nodeType === 3) {
+                        this._replaceNode(node, linkElement);
+                    }
+                    else {
+                        var element = node;
+                        if (element.nodeName === 'A') {
+                            return result;
+                        }
+                        element.innerHTML = '';
+                        element.appendChild(linkElement);
+                    }
+                }
+                else if (node.childNodes.length > 1) {
+                    for (var j = 0; j < node.childNodes.length; j++) {
+                        var childNode = node.childNodes[j];
+                        var childSearchIndex = childNode.textContent.indexOf(uri);
+                        if (childSearchIndex !== -1) {
+                            this._replaceNodeSubstringWithNode(childNode, linkElement, uri, childSearchIndex);
+                            break;
+                        }
+                    }
+                }
+                else {
+                    var nodesAdded = this._replaceNodeSubstringWithNode(node, linkElement, uri, searchIndex);
+                    i += nodesAdded;
+                }
+                result.push(linkElement);
+                match = row.textContent.substring(rowStartIndex).match(matcher.regex);
+                if (!match || match.length === 0) {
+                    return result;
+                }
+                uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
+                rowStartIndex += match.index + uri.length;
+            }
+        }
+        return result;
+    };
+    Linkifier.prototype._createAnchorElement = function (uri, handler, isHypertextLinkHandler) {
+        var element = this._document.createElement('a');
+        element.textContent = uri;
+        element.draggable = false;
+        if (isHypertextLinkHandler) {
+            element.href = uri;
+            element.target = '_blank';
+            element.addEventListener('click', function (event) {
+                if (handler) {
+                    return handler(event, uri);
+                }
+            });
+        }
+        else {
+            element.addEventListener('click', function (event) {
+                if (element.classList.contains(INVALID_LINK_CLASS)) {
+                    return;
+                }
+                return handler(event, uri);
+            });
+        }
+        return element;
+    };
+    Linkifier.prototype._replaceNode = function (oldNode) {
+        var newNodes = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            newNodes[_i - 1] = arguments[_i];
+        }
+        var parent = oldNode.parentNode;
+        for (var i = 0; i < newNodes.length; i++) {
+            parent.insertBefore(newNodes[i], oldNode);
+        }
+        parent.removeChild(oldNode);
+    };
+    Linkifier.prototype._replaceNodeSubstringWithNode = function (targetNode, newNode, substring, substringIndex) {
+        if (targetNode.childNodes.length === 1) {
+            targetNode = targetNode.childNodes[0];
+        }
+        if (targetNode.nodeType !== 3) {
+            throw new Error('targetNode must be a text node or only contain a single text node');
+        }
+        var fullText = targetNode.textContent;
+        if (substringIndex === 0) {
+            var rightText_1 = fullText.substring(substring.length);
+            var rightTextNode_1 = this._document.createTextNode(rightText_1);
+            this._replaceNode(targetNode, newNode, rightTextNode_1);
+            return 0;
+        }
+        if (substringIndex === targetNode.textContent.length - substring.length) {
+            var leftText_1 = fullText.substring(0, substringIndex);
+            var leftTextNode_1 = this._document.createTextNode(leftText_1);
+            this._replaceNode(targetNode, leftTextNode_1, newNode);
+            return 0;
+        }
+        var leftText = fullText.substring(0, substringIndex);
+        var leftTextNode = this._document.createTextNode(leftText);
+        var rightText = fullText.substring(substringIndex + substring.length);
+        var rightTextNode = this._document.createTextNode(rightText);
+        this._replaceNode(targetNode, leftTextNode, newNode, rightTextNode);
+        return 1;
+    };
+    return Linkifier;
+}());
+Linkifier.TIME_BEFORE_LINKIFY = 200;
+exports.Linkifier = Linkifier;
+
+
+
+},{}],9:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var EscapeSequences_1 = require("./EscapeSequences");
+var Charsets_1 = require("./Charsets");
+var normalStateHandler = {};
+normalStateHandler[EscapeSequences_1.C0.BEL] = function (parser, handler) { return handler.bell(); };
+normalStateHandler[EscapeSequences_1.C0.LF] = function (parser, handler) { return handler.lineFeed(); };
+normalStateHandler[EscapeSequences_1.C0.VT] = normalStateHandler[EscapeSequences_1.C0.LF];
+normalStateHandler[EscapeSequences_1.C0.FF] = normalStateHandler[EscapeSequences_1.C0.LF];
+normalStateHandler[EscapeSequences_1.C0.CR] = function (parser, handler) { return handler.carriageReturn(); };
+normalStateHandler[EscapeSequences_1.C0.BS] = function (parser, handler) { return handler.backspace(); };
+normalStateHandler[EscapeSequences_1.C0.HT] = function (parser, handler) { return handler.tab(); };
+normalStateHandler[EscapeSequences_1.C0.SO] = function (parser, handler) { return handler.shiftOut(); };
+normalStateHandler[EscapeSequences_1.C0.SI] = function (parser, handler) { return handler.shiftIn(); };
+normalStateHandler[EscapeSequences_1.C0.ESC] = function (parser, handler) { return parser.setState(ParserState.ESCAPED); };
+var escapedStateHandler = {};
+escapedStateHandler['['] = function (parser, terminal) {
+    terminal.params = [];
+    terminal.currentParam = 0;
+    parser.setState(ParserState.CSI_PARAM);
+};
+escapedStateHandler[']'] = function (parser, terminal) {
+    terminal.params = [];
+    terminal.currentParam = 0;
+    parser.setState(ParserState.OSC);
+};
+escapedStateHandler['P'] = function (parser, terminal) {
+    terminal.params = [];
+    terminal.currentParam = 0;
+    parser.setState(ParserState.DCS);
+};
+escapedStateHandler['_'] = function (parser, terminal) {
+    parser.setState(ParserState.IGNORE);
+};
+escapedStateHandler['^'] = function (parser, terminal) {
+    parser.setState(ParserState.IGNORE);
+};
+escapedStateHandler['c'] = function (parser, terminal) {
+    terminal.reset();
+};
+escapedStateHandler['E'] = function (parser, terminal) {
+    terminal.buffer.x = 0;
+    terminal.index();
+    parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['D'] = function (parser, terminal) {
+    terminal.index();
+    parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['M'] = function (parser, terminal) {
+    terminal.reverseIndex();
+    parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['%'] = function (parser, terminal) {
+    terminal.setgLevel(0);
+    terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
+    parser.setState(ParserState.NORMAL);
+    parser.skipNextChar();
+};
+escapedStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); };
+var csiParamStateHandler = {};
+csiParamStateHandler['?'] = function (parser) { return parser.setPrefix('?'); };
+csiParamStateHandler['>'] = function (parser) { return parser.setPrefix('>'); };
+csiParamStateHandler['!'] = function (parser) { return parser.setPrefix('!'); };
+csiParamStateHandler['0'] = function (parser) { return parser.setParam(parser.getParam() * 10); };
+csiParamStateHandler['1'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 1); };
+csiParamStateHandler['2'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 2); };
+csiParamStateHandler['3'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 3); };
+csiParamStateHandler['4'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 4); };
+csiParamStateHandler['5'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 5); };
+csiParamStateHandler['6'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 6); };
+csiParamStateHandler['7'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 7); };
+csiParamStateHandler['8'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 8); };
+csiParamStateHandler['9'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 9); };
+csiParamStateHandler['$'] = function (parser) { return parser.setPostfix('$'); };
+csiParamStateHandler['"'] = function (parser) { return parser.setPostfix('"'); };
+csiParamStateHandler[' '] = function (parser) { return parser.setPostfix(' '); };
+csiParamStateHandler['\''] = function (parser) { return parser.setPostfix('\''); };
+csiParamStateHandler[';'] = function (parser) { return parser.finalizeParam(); };
+csiParamStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); };
+var csiStateHandler = {};
+csiStateHandler['@'] = function (handler, params, prefix) { return handler.insertChars(params); };
+csiStateHandler['A'] = function (handler, params, prefix) { return handler.cursorUp(params); };
+csiStateHandler['B'] = function (handler, params, prefix) { return handler.cursorDown(params); };
+csiStateHandler['C'] = function (handler, params, prefix) { return handler.cursorForward(params); };
+csiStateHandler['D'] = function (handler, params, prefix) { return handler.cursorBackward(params); };
+csiStateHandler['E'] = function (handler, params, prefix) { return handler.cursorNextLine(params); };
+csiStateHandler['F'] = function (handler, params, prefix) { return handler.cursorPrecedingLine(params); };
+csiStateHandler['G'] = function (handler, params, prefix) { return handler.cursorCharAbsolute(params); };
+csiStateHandler['H'] = function (handler, params, prefix) { return handler.cursorPosition(params); };
+csiStateHandler['I'] = function (handler, params, prefix) { return handler.cursorForwardTab(params); };
+csiStateHandler['J'] = function (handler, params, prefix) { return handler.eraseInDisplay(params); };
+csiStateHandler['K'] = function (handler, params, prefix) { return handler.eraseInLine(params); };
+csiStateHandler['L'] = function (handler, params, prefix) { return handler.insertLines(params); };
+csiStateHandler['M'] = function (handler, params, prefix) { return handler.deleteLines(params); };
+csiStateHandler['P'] = function (handler, params, prefix) { return handler.deleteChars(params); };
+csiStateHandler['S'] = function (handler, params, prefix) { return handler.scrollUp(params); };
+csiStateHandler['T'] = function (handler, params, prefix) {
+    if (params.length < 2 && !prefix) {
+        handler.scrollDown(params);
+    }
+};
+csiStateHandler['X'] = function (handler, params, prefix) { return handler.eraseChars(params); };
+csiStateHandler['Z'] = function (handler, params, prefix) { return handler.cursorBackwardTab(params); };
+csiStateHandler['`'] = function (handler, params, prefix) { return handler.charPosAbsolute(params); };
+csiStateHandler['a'] = function (handler, params, prefix) { return handler.HPositionRelative(params); };
+csiStateHandler['b'] = function (handler, params, prefix) { return handler.repeatPrecedingCharacter(params); };
+csiStateHandler['c'] = function (handler, params, prefix) { return handler.sendDeviceAttributes(params); };
+csiStateHandler['d'] = function (handler, params, prefix) { return handler.linePosAbsolute(params); };
+csiStateHandler['e'] = function (handler, params, prefix) { return handler.VPositionRelative(params); };
+csiStateHandler['f'] = function (handler, params, prefix) { return handler.HVPosition(params); };
+csiStateHandler['g'] = function (handler, params, prefix) { return handler.tabClear(params); };
+csiStateHandler['h'] = function (handler, params, prefix) { return handler.setMode(params); };
+csiStateHandler['l'] = function (handler, params, prefix) { return handler.resetMode(params); };
+csiStateHandler['m'] = function (handler, params, prefix) { return handler.charAttributes(params); };
+csiStateHandler['n'] = function (handler, params, prefix) { return handler.deviceStatus(params); };
+csiStateHandler['p'] = function (handler, params, prefix) {
+    switch (prefix) {
+        case '!':
+            handler.softReset(params);
+            break;
+    }
+};
+csiStateHandler['q'] = function (handler, params, prefix, postfix) {
+    if (postfix === ' ') {
+        handler.setCursorStyle(params);
+    }
+};
+csiStateHandler['r'] = function (handler, params) { return handler.setScrollRegion(params); };
+csiStateHandler['s'] = function (handler, params) { return handler.saveCursor(params); };
+csiStateHandler['u'] = function (handler, params) { return handler.restoreCursor(params); };
+csiStateHandler[EscapeSequences_1.C0.CAN] = function (handler, params, prefix, postfix, parser) { return parser.setState(ParserState.NORMAL); };
+var ParserState;
+(function (ParserState) {
+    ParserState[ParserState["NORMAL"] = 0] = "NORMAL";
+    ParserState[ParserState["ESCAPED"] = 1] = "ESCAPED";
+    ParserState[ParserState["CSI_PARAM"] = 2] = "CSI_PARAM";
+    ParserState[ParserState["CSI"] = 3] = "CSI";
+    ParserState[ParserState["OSC"] = 4] = "OSC";
+    ParserState[ParserState["CHARSET"] = 5] = "CHARSET";
+    ParserState[ParserState["DCS"] = 6] = "DCS";
+    ParserState[ParserState["IGNORE"] = 7] = "IGNORE";
+})(ParserState || (ParserState = {}));
+var Parser = (function () {
+    function Parser(_inputHandler, _terminal) {
+        this._inputHandler = _inputHandler;
+        this._terminal = _terminal;
+        this._state = ParserState.NORMAL;
+    }
+    Parser.prototype.parse = function (data) {
+        var l = data.length, j, cs, ch, code, low;
+        if (this._terminal.debug) {
+            this._terminal.log('data: ' + data);
+        }
+        this._position = 0;
+        if (this._terminal.surrogate_high) {
+            data = this._terminal.surrogate_high + data;
+            this._terminal.surrogate_high = '';
+        }
+        for (; this._position < l; this._position++) {
+            ch = data[this._position];
+            code = data.charCodeAt(this._position);
+            if (0xD800 <= code && code <= 0xDBFF) {
+                low = data.charCodeAt(this._position + 1);
+                if (isNaN(low)) {
+                    this._terminal.surrogate_high = ch;
+                    continue;
+                }
+                code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
+                ch += data.charAt(this._position + 1);
+            }
+            if (0xDC00 <= code && code <= 0xDFFF)
+                continue;
+            switch (this._state) {
+                case ParserState.NORMAL:
+                    if (ch in normalStateHandler) {
+                        normalStateHandler[ch](this, this._inputHandler);
+                    }
+                    else {
+                        this._inputHandler.addChar(ch, code);
+                    }
+                    break;
+                case ParserState.ESCAPED:
+                    if (ch in escapedStateHandler) {
+                        escapedStateHandler[ch](this, this._terminal);
+                        break;
+                    }
+                    switch (ch) {
+                        case '(':
+                        case ')':
+                        case '*':
+                        case '+':
+                        case '-':
+                        case '.':
+                            switch (ch) {
+                                case '(':
+                                    this._terminal.gcharset = 0;
+                                    break;
+                                case ')':
+                                    this._terminal.gcharset = 1;
+                                    break;
+                                case '*':
+                                    this._terminal.gcharset = 2;
+                                    break;
+                                case '+':
+                                    this._terminal.gcharset = 3;
+                                    break;
+                                case '-':
+                                    this._terminal.gcharset = 1;
+                                    break;
+                                case '.':
+                                    this._terminal.gcharset = 2;
+                                    break;
+                            }
+                            this._state = ParserState.CHARSET;
+                            break;
+                        case '/':
+                            this._terminal.gcharset = 3;
+                            this._state = ParserState.CHARSET;
+                            this._position--;
+                            break;
+                        case 'N':
+                            break;
+                        case 'O':
+                            break;
+                        case 'n':
+                            this._terminal.setgLevel(2);
+                            break;
+                        case 'o':
+                            this._terminal.setgLevel(3);
+                            break;
+                        case '|':
+                            this._terminal.setgLevel(3);
+                            break;
+                        case '}':
+                            this._terminal.setgLevel(2);
+                            break;
+                        case '~':
+                            this._terminal.setgLevel(1);
+                            break;
+                        case '7':
+                            this._inputHandler.saveCursor();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '8':
+                            this._inputHandler.restoreCursor();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '#':
+                            this._state = ParserState.NORMAL;
+                            this._position++;
+                            break;
+                        case 'H':
+                            this._terminal.tabSet();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '=':
+                            this._terminal.log('Serial port requested application keypad.');
+                            this._terminal.applicationKeypad = true;
+                            this._terminal.viewport.syncScrollArea();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '>':
+                            this._terminal.log('Switching back to normal keypad.');
+                            this._terminal.applicationKeypad = false;
+                            this._terminal.viewport.syncScrollArea();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        default:
+                            this._state = ParserState.NORMAL;
+                            this._terminal.error('Unknown ESC control: %s.', ch);
+                            break;
+                    }
+                    break;
+                case ParserState.CHARSET:
+                    if (ch in Charsets_1.CHARSETS) {
+                        cs = Charsets_1.CHARSETS[ch];
+                        if (ch === '/') {
+                            this.skipNextChar();
+                        }
+                    }
+                    else {
+                        cs = Charsets_1.DEFAULT_CHARSET;
+                    }
+                    this._terminal.setgCharset(this._terminal.gcharset, cs);
+                    this._terminal.gcharset = null;
+                    this._state = ParserState.NORMAL;
+                    break;
+                case ParserState.OSC:
+                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {
+                        if (ch === EscapeSequences_1.C0.ESC)
+                            this._position++;
+                        this._terminal.params.push(this._terminal.currentParam);
+                        switch (this._terminal.params[0]) {
+                            case 0:
+                            case 1:
+                            case 2:
+                                if (this._terminal.params[1]) {
+                                    this._terminal.title = this._terminal.params[1];
+                                    this._terminal.handleTitle(this._terminal.title);
+                                }
+                                break;
+                            case 3:
+                                break;
+                            case 4:
+                            case 5:
+                                break;
+                            case 10:
+                            case 11:
+                            case 12:
+                            case 13:
+                            case 14:
+                            case 15:
+                            case 16:
+                            case 17:
+                            case 18:
+                            case 19:
+                                break;
+                            case 46:
+                                break;
+                            case 50:
+                                break;
+                            case 51:
+                                break;
+                            case 52:
+                                break;
+                            case 104:
+                            case 105:
+                            case 110:
+                            case 111:
+                            case 112:
+                            case 113:
+                            case 114:
+                            case 115:
+                            case 116:
+                            case 117:
+                            case 118:
+                                break;
+                        }
+                        this._terminal.params = [];
+                        this._terminal.currentParam = 0;
+                        this._state = ParserState.NORMAL;
+                    }
+                    else {
+                        if (!this._terminal.params.length) {
+                            if (ch >= '0' && ch <= '9') {
+                                this._terminal.currentParam =
+                                    this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;
+                            }
+                            else if (ch === ';') {
+                                this._terminal.params.push(this._terminal.currentParam);
+                                this._terminal.currentParam = '';
+                            }
+                        }
+                        else {
+                            this._terminal.currentParam += ch;
+                        }
+                    }
+                    break;
+                case ParserState.CSI_PARAM:
+                    if (ch in csiParamStateHandler) {
+                        csiParamStateHandler[ch](this);
+                        break;
+                    }
+                    this.finalizeParam();
+                    this._state = ParserState.CSI;
+                case ParserState.CSI:
+                    if (ch in csiStateHandler) {
+                        if (this._terminal.debug) {
+                            this._terminal.log("CSI " + (this._terminal.prefix ? this._terminal.prefix : '') + " " + (this._terminal.params ? this._terminal.params.join(';') : '') + " " + (this._terminal.postfix ? this._terminal.postfix : '') + " " + ch);
+                        }
+                        csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);
+                    }
+                    else {
+                        this._terminal.error('Unknown CSI code: %s.', ch);
+                    }
+                    this._state = ParserState.NORMAL;
+                    this._terminal.prefix = '';
+                    this._terminal.postfix = '';
+                    break;
+                case ParserState.DCS:
+                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {
+                        if (ch === EscapeSequences_1.C0.ESC)
+                            this._position++;
+                        var pt = void 0;
+                        var valid = void 0;
+                        switch (this._terminal.prefix) {
+                            case '':
+                                break;
+                            case '$q':
+                                pt = this._terminal.currentParam;
+                                valid = false;
+                                switch (pt) {
+                                    case '"q':
+                                        pt = '0"q';
+                                        break;
+                                    case '"p':
+                                        pt = '61"p';
+                                        break;
+                                    case 'r':
+                                        pt = ''
+                                            + (this._terminal.buffer.scrollTop + 1)
+                                            + ';'
+                                            + (this._terminal.buffer.scrollBottom + 1)
+                                            + 'r';
+                                        break;
+                                    case 'm':
+                                        pt = '0m';
+                                        break;
+                                    default:
+                                        this._terminal.error('Unknown DCS Pt: %s.', pt);
+                                        pt = '';
+                                        break;
+                                }
+                                this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '$r' + pt + EscapeSequences_1.C0.ESC + '\\');
+                                break;
+                            case '+p':
+                                break;
+                            case '+q':
+                                pt = this._terminal.currentParam;
+                                valid = false;
+                                this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '+r' + pt + EscapeSequences_1.C0.ESC + '\\');
+                                break;
+                            default:
+                                this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);
+                                break;
+                        }
+                        this._terminal.currentParam = 0;
+                        this._terminal.prefix = '';
+                        this._state = ParserState.NORMAL;
+                    }
+                    else if (!this._terminal.currentParam) {
+                        if (!this._terminal.prefix && ch !== '$' && ch !== '+') {
+                            this._terminal.currentParam = ch;
+                        }
+                        else if (this._terminal.prefix.length === 2) {
+                            this._terminal.currentParam = ch;
+                        }
+                        else {
+                            this._terminal.prefix += ch;
+                        }
+                    }
+                    else {
+                        this._terminal.currentParam += ch;
+                    }
+                    break;
+                case ParserState.IGNORE:
+                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {
+                        if (ch === EscapeSequences_1.C0.ESC)
+                            this._position++;
+                        this._state = ParserState.NORMAL;
+                    }
+                    break;
+            }
+        }
+        return this._state;
+    };
+    Parser.prototype.setState = function (state) {
+        this._state = state;
+    };
+    Parser.prototype.setPrefix = function (prefix) {
+        this._terminal.prefix = prefix;
+    };
+    Parser.prototype.setPostfix = function (postfix) {
+        this._terminal.postfix = postfix;
+    };
+    Parser.prototype.setParam = function (param) {
+        this._terminal.currentParam = param;
+    };
+    Parser.prototype.getParam = function () {
+        return this._terminal.currentParam;
+    };
+    Parser.prototype.finalizeParam = function () {
+        this._terminal.params.push(this._terminal.currentParam);
+        this._terminal.currentParam = 0;
+    };
+    Parser.prototype.skipNextChar = function () {
+        this._position++;
+    };
+    return Parser;
+}());
+exports.Parser = Parser;
+
+
+
+},{"./Charsets":3,"./EscapeSequences":5}],10:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var DomElementObjectPool_1 = require("./utils/DomElementObjectPool");
+var MAX_REFRESH_FRAME_SKIP = 5;
+var FLAGS;
+(function (FLAGS) {
+    FLAGS[FLAGS["BOLD"] = 1] = "BOLD";
+    FLAGS[FLAGS["UNDERLINE"] = 2] = "UNDERLINE";
+    FLAGS[FLAGS["BLINK"] = 4] = "BLINK";
+    FLAGS[FLAGS["INVERSE"] = 8] = "INVERSE";
+    FLAGS[FLAGS["INVISIBLE"] = 16] = "INVISIBLE";
+})(FLAGS || (FLAGS = {}));
+;
+var brokenBold = null;
+var Renderer = (function () {
+    function Renderer(_terminal) {
+        this._terminal = _terminal;
+        this._refreshRowsQueue = [];
+        this._refreshFramesSkipped = 0;
+        this._refreshAnimationFrame = null;
+        this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span');
+        if (brokenBold === null) {
+            brokenBold = checkBoldBroken(this._terminal.element);
+        }
+        this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span');
+    }
+    Renderer.prototype.queueRefresh = function (start, end) {
+        this._refreshRowsQueue.push({ start: start, end: end });
+        if (!this._refreshAnimationFrame) {
+            this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));
+        }
+    };
+    Renderer.prototype._refreshLoop = function () {
+        var skipFrame = this._terminal.writeBuffer.length > 0 && this._refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;
+        if (skipFrame) {
+            this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));
+            return;
+        }
+        this._refreshFramesSkipped = 0;
+        var start;
+        var end;
+        if (this._refreshRowsQueue.length > 4) {
+            start = 0;
+            end = this._terminal.rows - 1;
+        }
+        else {
+            start = this._refreshRowsQueue[0].start;
+            end = this._refreshRowsQueue[0].end;
+            for (var i = 1; i < this._refreshRowsQueue.length; i++) {
+                if (this._refreshRowsQueue[i].start < start) {
+                    start = this._refreshRowsQueue[i].start;
+                }
+                if (this._refreshRowsQueue[i].end > end) {
+                    end = this._refreshRowsQueue[i].end;
+                }
+            }
+        }
+        this._refreshRowsQueue = [];
+        this._refreshAnimationFrame = null;
+        this._refresh(start, end);
+    };
+    Renderer.prototype._refresh = function (start, end) {
+        var parent;
+        if (end - start >= this._terminal.rows / 2) {
+            parent = this._terminal.element.parentNode;
+            if (parent) {
+                this._terminal.element.removeChild(this._terminal.rowContainer);
+            }
+        }
+        var width = this._terminal.cols;
+        var y = start;
+        if (end >= this._terminal.rows) {
+            this._terminal.log('`end` is too large. Most likely a bad CSR.');
+            end = this._terminal.rows - 1;
+        }
+        for (; y <= end; y++) {
+            var row = y + this._terminal.buffer.ydisp;
+            var line = this._terminal.buffer.lines.get(row);
+            var x = void 0;
+            if (this._terminal.buffer.y === y - (this._terminal.buffer.ybase - this._terminal.buffer.ydisp) &&
+                this._terminal.cursorState &&
+                !this._terminal.cursorHidden) {
+                x = this._terminal.buffer.x;
+            }
+            else {
+                x = -1;
+            }
+            var attr = this._terminal.defAttr;
+            var documentFragment = document.createDocumentFragment();
+            var innerHTML = '';
+            var currentElement = void 0;
+            while (this._terminal.children[y].children.length) {
+                var child = this._terminal.children[y].children[0];
+                this._terminal.children[y].removeChild(child);
+                this._spanElementObjectPool.release(child);
+            }
+            for (var i = 0; i < width; i++) {
+                var data = line[i][0];
+                var ch = line[i][1];
+                var ch_width = line[i][2];
+                var isCursor = i === x;
+                if (!ch_width) {
+                    continue;
+                }
+                if (data !== attr || isCursor) {
+                    if (attr !== this._terminal.defAttr && !isCursor) {
+                        if (innerHTML) {
+                            currentElement.innerHTML = innerHTML;
+                            innerHTML = '';
+                        }
+                        documentFragment.appendChild(currentElement);
+                        currentElement = null;
+                    }
+                    if (data !== this._terminal.defAttr || isCursor) {
+                        if (innerHTML && !currentElement) {
+                            currentElement = this._spanElementObjectPool.acquire();
+                        }
+                        if (currentElement) {
+                            if (innerHTML) {
+                                currentElement.innerHTML = innerHTML;
+                                innerHTML = '';
+                            }
+                            documentFragment.appendChild(currentElement);
+                        }
+                        currentElement = this._spanElementObjectPool.acquire();
+                        var bg = data & 0x1ff;
+                        var fg = (data >> 9) & 0x1ff;
+                        var flags = data >> 18;
+                        if (isCursor) {
+                            currentElement.classList.add('reverse-video');
+                            currentElement.classList.add('terminal-cursor');
+                        }
+                        if (flags & FLAGS.BOLD) {
+                            if (!brokenBold) {
+                                currentElement.classList.add('xterm-bold');
+                            }
+                            if (fg < 8) {
+                                fg += 8;
+                            }
+                        }
+                        if (flags & FLAGS.UNDERLINE) {
+                            currentElement.classList.add('xterm-underline');
+                        }
+                        if (flags & FLAGS.BLINK) {
+                            currentElement.classList.add('xterm-blink');
+                        }
+                        if (flags & FLAGS.INVERSE) {
+                            var temp = bg;
+                            bg = fg;
+                            fg = temp;
+                            if ((flags & 1) && fg < 8) {
+                                fg += 8;
+                            }
+                        }
+                        if (flags & FLAGS.INVISIBLE && !isCursor) {
+                            currentElement.classList.add('xterm-hidden');
+                        }
+                        if (flags & FLAGS.INVERSE) {
+                            if (bg === 257) {
+                                bg = 15;
+                            }
+                            if (fg === 256) {
+                                fg = 0;
+                            }
+                        }
+                        if (bg < 256) {
+                            currentElement.classList.add("xterm-bg-color-" + bg);
+                        }
+                        if (fg < 256) {
+                            currentElement.classList.add("xterm-color-" + fg);
+                        }
+                    }
+                }
+                if (ch_width === 2) {
+                    innerHTML += "<span class=\"xterm-wide-char\">" + ch + "</span>";
+                }
+                else if (ch.charCodeAt(0) > 255) {
+                    innerHTML += "<span class=\"xterm-normal-char\">" + ch + "</span>";
+                }
+                else {
+                    switch (ch) {
+                        case '&':
+                            innerHTML += '&amp;';
+                            break;
+                        case '<':
+                            innerHTML += '&lt;';
+                            break;
+                        case '>':
+                            innerHTML += '&gt;';
+                            break;
+                        default:
+                            if (ch <= ' ') {
+                                innerHTML += '&nbsp;';
+                            }
+                            else {
+                                innerHTML += ch;
+                            }
+                            break;
+                    }
+                }
+                attr = isCursor ? -1 : data;
+            }
+            if (innerHTML && !currentElement) {
+                currentElement = this._spanElementObjectPool.acquire();
+            }
+            if (currentElement) {
+                if (innerHTML) {
+                    currentElement.innerHTML = innerHTML;
+                    innerHTML = '';
+                }
+                documentFragment.appendChild(currentElement);
+                currentElement = null;
+            }
+            this._terminal.children[y].appendChild(documentFragment);
+        }
+        if (parent) {
+            this._terminal.element.appendChild(this._terminal.rowContainer);
+        }
+        this._terminal.emit('refresh', { element: this._terminal.element, start: start, end: end });
+    };
+    ;
+    Renderer.prototype.refreshSelection = function (start, end) {
+        while (this._terminal.selectionContainer.children.length) {
+            this._terminal.selectionContainer.removeChild(this._terminal.selectionContainer.children[0]);
+        }
+        if (!start || !end) {
+            return;
+        }
+        var viewportStartRow = start[1] - this._terminal.buffer.ydisp;
+        var viewportEndRow = end[1] - this._terminal.buffer.ydisp;
+        var viewportCappedStartRow = Math.max(viewportStartRow, 0);
+        var viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);
+        if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {
+            return;
+        }
+        var documentFragment = document.createDocumentFragment();
+        var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
+        var endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+        documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));
+        var middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;
+        documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));
+        if (viewportCappedStartRow !== viewportCappedEndRow) {
+            var endCol_1 = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+            documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol_1));
+        }
+        this._terminal.selectionContainer.appendChild(documentFragment);
+    };
+    Renderer.prototype._createSelectionElement = function (row, colStart, colEnd, rowCount) {
+        if (rowCount === void 0) { rowCount = 1; }
+        var element = document.createElement('div');
+        element.style.height = rowCount * this._terminal.charMeasure.height + "px";
+        element.style.top = row * this._terminal.charMeasure.height + "px";
+        element.style.left = colStart * this._terminal.charMeasure.width + "px";
+        element.style.width = this._terminal.charMeasure.width * (colEnd - colStart) + "px";
+        return element;
+    };
+    return Renderer;
+}());
+exports.Renderer = Renderer;
+function checkBoldBroken(terminal) {
+    var document = terminal.ownerDocument;
+    var el = document.createElement('span');
+    el.innerHTML = 'hello world';
+    terminal.appendChild(el);
+    var w1 = el.offsetWidth;
+    var h1 = el.offsetHeight;
+    el.style.fontWeight = 'bold';
+    var w2 = el.offsetWidth;
+    var h2 = el.offsetHeight;
+    terminal.removeChild(el);
+    return w1 !== w2 || h1 !== h2;
+}
+
+
+
+},{"./utils/DomElementObjectPool":19}],11:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Mouse = require("./utils/Mouse");
+var Browser = require("./utils/Browser");
+var EventEmitter_1 = require("./EventEmitter");
+var SelectionModel_1 = require("./SelectionModel");
+var BufferLine_1 = require("./utils/BufferLine");
+var DRAG_SCROLL_MAX_THRESHOLD = 50;
+var DRAG_SCROLL_MAX_SPEED = 15;
+var DRAG_SCROLL_INTERVAL = 50;
+var WORD_SEPARATORS = ' ()[]{}\'"';
+var LINE_DATA_CHAR_INDEX = 1;
+var LINE_DATA_WIDTH_INDEX = 2;
+var NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
+var ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
+var SelectionMode;
+(function (SelectionMode) {
+    SelectionMode[SelectionMode["NORMAL"] = 0] = "NORMAL";
+    SelectionMode[SelectionMode["WORD"] = 1] = "WORD";
+    SelectionMode[SelectionMode["LINE"] = 2] = "LINE";
+})(SelectionMode || (SelectionMode = {}));
+var SelectionManager = (function (_super) {
+    __extends(SelectionManager, _super);
+    function SelectionManager(_terminal, _buffer, _rowContainer, _charMeasure) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._buffer = _buffer;
+        _this._rowContainer = _rowContainer;
+        _this._charMeasure = _charMeasure;
+        _this._enabled = true;
+        _this._initListeners();
+        _this.enable();
+        _this._model = new SelectionModel_1.SelectionModel(_terminal);
+        _this._activeSelectionMode = SelectionMode.NORMAL;
+        return _this;
+    }
+    SelectionManager.prototype._initListeners = function () {
+        var _this = this;
+        this._mouseMoveListener = function (event) { return _this._onMouseMove(event); };
+        this._mouseUpListener = function (event) { return _this._onMouseUp(event); };
+        this._rowContainer.addEventListener('mousedown', function (event) { return _this._onMouseDown(event); });
+        this._buffer.on('trim', function (amount) { return _this._onTrim(amount); });
+    };
+    SelectionManager.prototype.disable = function () {
+        this.clearSelection();
+        this._enabled = false;
+    };
+    SelectionManager.prototype.enable = function () {
+        this._enabled = true;
+    };
+    SelectionManager.prototype.setBuffer = function (buffer) {
+        this._buffer = buffer;
+        this.clearSelection();
+    };
+    Object.defineProperty(SelectionManager.prototype, "selectionStart", {
+        get: function () { return this._model.finalSelectionStart; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "selectionEnd", {
+        get: function () { return this._model.finalSelectionEnd; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "hasSelection", {
+        get: function () {
+            var start = this._model.finalSelectionStart;
+            var end = this._model.finalSelectionEnd;
+            if (!start || !end) {
+                return false;
+            }
+            return start[0] !== end[0] || start[1] !== end[1];
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "selectionText", {
+        get: function () {
+            var start = this._model.finalSelectionStart;
+            var end = this._model.finalSelectionEnd;
+            if (!start || !end) {
+                return '';
+            }
+            var startRowEndCol = start[1] === end[1] ? end[0] : null;
+            var result = [];
+            result.push(BufferLine_1.translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));
+            for (var i = start[1] + 1; i <= end[1] - 1; i++) {
+                var bufferLine = this._buffer.get(i);
+                var lineText = BufferLine_1.translateBufferLineToString(bufferLine, true);
+                if (bufferLine.isWrapped) {
+                    result[result.length - 1] += lineText;
+                }
+                else {
+                    result.push(lineText);
+                }
+            }
+            if (start[1] !== end[1]) {
+                var bufferLine = this._buffer.get(end[1]);
+                var lineText = BufferLine_1.translateBufferLineToString(bufferLine, true, 0, end[0]);
+                if (bufferLine.isWrapped) {
+                    result[result.length - 1] += lineText;
+                }
+                else {
+                    result.push(lineText);
+                }
+            }
+            var formattedResult = result.map(function (line) {
+                return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');
+            }).join(Browser.isMSWindows ? '\r\n' : '\n');
+            return formattedResult;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    SelectionManager.prototype.clearSelection = function () {
+        this._model.clearSelection();
+        this._removeMouseDownListeners();
+        this.refresh();
+    };
+    SelectionManager.prototype.refresh = function (isNewSelection) {
+        var _this = this;
+        if (!this._refreshAnimationFrame) {
+            this._refreshAnimationFrame = window.requestAnimationFrame(function () { return _this._refresh(); });
+        }
+        if (Browser.isLinux && isNewSelection) {
+            var selectionText = this.selectionText;
+            if (selectionText.length) {
+                this.emit('newselection', this.selectionText);
+            }
+        }
+    };
+    SelectionManager.prototype._refresh = function () {
+        this._refreshAnimationFrame = null;
+        this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd });
+    };
+    SelectionManager.prototype.selectAll = function () {
+        this._model.isSelectAllActive = true;
+        this.refresh();
+    };
+    SelectionManager.prototype._onTrim = function (amount) {
+        var needsRefresh = this._model.onTrim(amount);
+        if (needsRefresh) {
+            this.refresh();
+        }
+    };
+    SelectionManager.prototype._getMouseBufferCoords = function (event) {
+        var coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true);
+        if (!coords) {
+            return null;
+        }
+        coords[0]--;
+        coords[1]--;
+        coords[1] += this._terminal.buffer.ydisp;
+        return coords;
+    };
+    SelectionManager.prototype._getMouseEventScrollAmount = function (event) {
+        var offset = Mouse.getCoordsRelativeToElement(event, this._rowContainer)[1];
+        var terminalHeight = this._terminal.rows * this._charMeasure.height;
+        if (offset >= 0 && offset <= terminalHeight) {
+            return 0;
+        }
+        if (offset > terminalHeight) {
+            offset -= terminalHeight;
+        }
+        offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);
+        offset /= DRAG_SCROLL_MAX_THRESHOLD;
+        return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));
+    };
+    SelectionManager.prototype._onMouseDown = function (event) {
+        if (event.button === 2 && this.hasSelection) {
+            event.stopPropagation();
+            return;
+        }
+        if (event.button !== 0) {
+            return;
+        }
+        if (!this._enabled) {
+            var shouldForceSelection = Browser.isMac && event.altKey;
+            if (!shouldForceSelection) {
+                return;
+            }
+            event.stopPropagation();
+        }
+        event.preventDefault();
+        this._dragScrollAmount = 0;
+        if (this._enabled && event.shiftKey) {
+            this._onIncrementalClick(event);
+        }
+        else {
+            if (event.detail === 1) {
+                this._onSingleClick(event);
+            }
+            else if (event.detail === 2) {
+                this._onDoubleClick(event);
+            }
+            else if (event.detail === 3) {
+                this._onTripleClick(event);
+            }
+        }
+        this._addMouseDownListeners();
+        this.refresh(true);
+    };
+    SelectionManager.prototype._addMouseDownListeners = function () {
+        var _this = this;
+        this._rowContainer.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);
+        this._rowContainer.ownerDocument.addEventListener('mouseup', this._mouseUpListener);
+        this._dragScrollIntervalTimer = setInterval(function () { return _this._dragScroll(); }, DRAG_SCROLL_INTERVAL);
+    };
+    SelectionManager.prototype._removeMouseDownListeners = function () {
+        this._rowContainer.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
+        this._rowContainer.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
+        clearInterval(this._dragScrollIntervalTimer);
+        this._dragScrollIntervalTimer = null;
+    };
+    SelectionManager.prototype._onIncrementalClick = function (event) {
+        if (this._model.selectionStart) {
+            this._model.selectionEnd = this._getMouseBufferCoords(event);
+        }
+    };
+    SelectionManager.prototype._onSingleClick = function (event) {
+        this._model.selectionStartLength = 0;
+        this._model.isSelectAllActive = false;
+        this._activeSelectionMode = SelectionMode.NORMAL;
+        this._model.selectionStart = this._getMouseBufferCoords(event);
+        if (!this._model.selectionStart) {
+            return;
+        }
+        this._model.selectionEnd = null;
+        var line = this._buffer.get(this._model.selectionStart[1]);
+        if (!line) {
+            return;
+        }
+        var char = line[this._model.selectionStart[0]];
+        if (char[LINE_DATA_WIDTH_INDEX] === 0) {
+            this._model.selectionStart[0]++;
+        }
+    };
+    SelectionManager.prototype._onDoubleClick = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        if (coords) {
+            this._activeSelectionMode = SelectionMode.WORD;
+            this._selectWordAt(coords);
+        }
+    };
+    SelectionManager.prototype._onTripleClick = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        if (coords) {
+            this._activeSelectionMode = SelectionMode.LINE;
+            this._selectLineAt(coords[1]);
+        }
+    };
+    SelectionManager.prototype._onMouseMove = function (event) {
+        var previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;
+        this._model.selectionEnd = this._getMouseBufferCoords(event);
+        if (!this._model.selectionEnd) {
+            this.refresh(true);
+            return;
+        }
+        if (this._activeSelectionMode === SelectionMode.LINE) {
+            if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {
+                this._model.selectionEnd[0] = 0;
+            }
+            else {
+                this._model.selectionEnd[0] = this._terminal.cols;
+            }
+        }
+        else if (this._activeSelectionMode === SelectionMode.WORD) {
+            this._selectToWordAt(this._model.selectionEnd);
+        }
+        this._dragScrollAmount = this._getMouseEventScrollAmount(event);
+        if (this._dragScrollAmount > 0) {
+            this._model.selectionEnd[0] = this._terminal.cols - 1;
+        }
+        else if (this._dragScrollAmount < 0) {
+            this._model.selectionEnd[0] = 0;
+        }
+        if (this._model.selectionEnd[1] < this._buffer.length) {
+            var char = this._buffer.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]];
+            if (char && char[2] === 0) {
+                this._model.selectionEnd[0]++;
+            }
+        }
+        if (!previousSelectionEnd ||
+            previousSelectionEnd[0] !== this._model.selectionEnd[0] ||
+            previousSelectionEnd[1] !== this._model.selectionEnd[1]) {
+            this.refresh(true);
+        }
+    };
+    SelectionManager.prototype._dragScroll = function () {
+        if (this._dragScrollAmount) {
+            this._terminal.scrollDisp(this._dragScrollAmount, false);
+            if (this._dragScrollAmount > 0) {
+                this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.buffer.ydisp + this._terminal.rows];
+            }
+            else {
+                this._model.selectionEnd = [0, this._terminal.buffer.ydisp];
+            }
+            this.refresh();
+        }
+    };
+    SelectionManager.prototype._onMouseUp = function (event) {
+        this._removeMouseDownListeners();
+    };
+    SelectionManager.prototype._convertViewportColToCharacterIndex = function (bufferLine, coords) {
+        var charIndex = coords[0];
+        for (var i = 0; coords[0] >= i; i++) {
+            var char = bufferLine[i];
+            if (char[LINE_DATA_WIDTH_INDEX] === 0) {
+                charIndex--;
+            }
+        }
+        return charIndex;
+    };
+    SelectionManager.prototype.setSelection = function (col, row, length) {
+        this._model.clearSelection();
+        this._removeMouseDownListeners();
+        this._model.selectionStart = [col, row];
+        this._model.selectionStartLength = length;
+        this.refresh();
+    };
+    SelectionManager.prototype._getWordAt = function (coords) {
+        var bufferLine = this._buffer.get(coords[1]);
+        if (!bufferLine) {
+            return null;
+        }
+        var line = BufferLine_1.translateBufferLineToString(bufferLine, false);
+        var endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);
+        var startIndex = endIndex;
+        var charOffset = coords[0] - startIndex;
+        var leftWideCharCount = 0;
+        var rightWideCharCount = 0;
+        if (line.charAt(startIndex) === ' ') {
+            while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {
+                startIndex--;
+            }
+            while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {
+                endIndex++;
+            }
+        }
+        else {
+            var startCol = coords[0];
+            var endCol = coords[0];
+            if (bufferLine[startCol][LINE_DATA_WIDTH_INDEX] === 0) {
+                leftWideCharCount++;
+                startCol--;
+            }
+            if (bufferLine[endCol][LINE_DATA_WIDTH_INDEX] === 2) {
+                rightWideCharCount++;
+                endCol++;
+            }
+            while (startIndex > 0 && !this._isCharWordSeparator(line.charAt(startIndex - 1))) {
+                if (bufferLine[startCol - 1][LINE_DATA_WIDTH_INDEX] === 0) {
+                    leftWideCharCount++;
+                    startCol--;
+                }
+                startIndex--;
+                startCol--;
+            }
+            while (endIndex + 1 < line.length && !this._isCharWordSeparator(line.charAt(endIndex + 1))) {
+                if (bufferLine[endCol + 1][LINE_DATA_WIDTH_INDEX] === 2) {
+                    rightWideCharCount++;
+                    endCol++;
+                }
+                endIndex++;
+                endCol++;
+            }
+        }
+        var start = startIndex + charOffset - leftWideCharCount;
+        var length = Math.min(endIndex - startIndex + leftWideCharCount + rightWideCharCount + 1, this._terminal.cols);
+        return { start: start, length: length };
+    };
+    SelectionManager.prototype._selectWordAt = function (coords) {
+        var wordPosition = this._getWordAt(coords);
+        if (wordPosition) {
+            this._model.selectionStart = [wordPosition.start, coords[1]];
+            this._model.selectionStartLength = wordPosition.length;
+        }
+    };
+    SelectionManager.prototype._selectToWordAt = function (coords) {
+        var wordPosition = this._getWordAt(coords);
+        if (wordPosition) {
+            this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];
+        }
+    };
+    SelectionManager.prototype._isCharWordSeparator = function (char) {
+        return WORD_SEPARATORS.indexOf(char) >= 0;
+    };
+    SelectionManager.prototype._selectLineAt = function (line) {
+        this._model.selectionStart = [0, line];
+        this._model.selectionStartLength = this._terminal.cols;
+    };
+    return SelectionManager;
+}(EventEmitter_1.EventEmitter));
+exports.SelectionManager = SelectionManager;
+
+
+
+},{"./EventEmitter":6,"./SelectionModel":12,"./utils/Browser":15,"./utils/BufferLine":16,"./utils/Mouse":21}],12:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var SelectionModel = (function () {
+    function SelectionModel(_terminal) {
+        this._terminal = _terminal;
+        this.clearSelection();
+    }
+    SelectionModel.prototype.clearSelection = function () {
+        this.selectionStart = null;
+        this.selectionEnd = null;
+        this.isSelectAllActive = false;
+        this.selectionStartLength = 0;
+    };
+    Object.defineProperty(SelectionModel.prototype, "finalSelectionStart", {
+        get: function () {
+            if (this.isSelectAllActive) {
+                return [0, 0];
+            }
+            if (!this.selectionEnd || !this.selectionStart) {
+                return this.selectionStart;
+            }
+            return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionModel.prototype, "finalSelectionEnd", {
+        get: function () {
+            if (this.isSelectAllActive) {
+                return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];
+            }
+            if (!this.selectionStart) {
+                return null;
+            }
+            if (!this.selectionEnd || this.areSelectionValuesReversed()) {
+                return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]];
+            }
+            if (this.selectionStartLength) {
+                if (this.selectionEnd[1] === this.selectionStart[1]) {
+                    return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];
+                }
+            }
+            return this.selectionEnd;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    SelectionModel.prototype.areSelectionValuesReversed = function () {
+        var start = this.selectionStart;
+        var end = this.selectionEnd;
+        return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);
+    };
+    SelectionModel.prototype.onTrim = function (amount) {
+        if (this.selectionStart) {
+            this.selectionStart[1] -= amount;
+        }
+        if (this.selectionEnd) {
+            this.selectionEnd[1] -= amount;
+        }
+        if (this.selectionEnd && this.selectionEnd[1] < 0) {
+            this.clearSelection();
+            return true;
+        }
+        if (this.selectionStart && this.selectionStart[1] < 0) {
+            this.selectionStart[1] = 0;
+        }
+        return false;
+    };
+    return SelectionModel;
+}());
+exports.SelectionModel = SelectionModel;
+
+
+
+},{}],13:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Viewport = (function () {
+    function Viewport(terminal, viewportElement, scrollArea, charMeasure) {
+        var _this = this;
+        this.terminal = terminal;
+        this.viewportElement = viewportElement;
+        this.scrollArea = scrollArea;
+        this.charMeasure = charMeasure;
+        this.currentRowHeight = 0;
+        this.lastRecordedBufferLength = 0;
+        this.lastRecordedViewportHeight = 0;
+        this.terminal.on('scroll', this.syncScrollArea.bind(this));
+        this.terminal.on('resize', this.syncScrollArea.bind(this));
+        this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));
+        setTimeout(function () { return _this.syncScrollArea(); }, 0);
+    }
+    Viewport.prototype.refresh = function () {
+        if (this.charMeasure.height > 0) {
+            var rowHeightChanged = this.charMeasure.height !== this.currentRowHeight;
+            if (rowHeightChanged) {
+                this.currentRowHeight = this.charMeasure.height;
+                this.viewportElement.style.lineHeight = this.charMeasure.height + 'px';
+                this.terminal.rowContainer.style.lineHeight = this.charMeasure.height + 'px';
+            }
+            var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;
+            if (rowHeightChanged || viewportHeightChanged) {
+                this.lastRecordedViewportHeight = this.terminal.rows;
+                this.viewportElement.style.height = this.charMeasure.height * this.terminal.rows + 'px';
+                this.terminal.selectionContainer.style.height = this.viewportElement.style.height;
+            }
+            this.scrollArea.style.height = (this.charMeasure.height * this.lastRecordedBufferLength) + 'px';
+        }
+    };
+    Viewport.prototype.syncScrollArea = function () {
+        if (this.lastRecordedBufferLength !== this.terminal.buffer.lines.length) {
+            this.lastRecordedBufferLength = this.terminal.buffer.lines.length;
+            this.refresh();
+        }
+        else if (this.lastRecordedViewportHeight !== this.terminal.rows) {
+            this.refresh();
+        }
+        else {
+            if (this.charMeasure.height !== this.currentRowHeight) {
+                this.refresh();
+            }
+        }
+        var scrollTop = this.terminal.buffer.ydisp * this.currentRowHeight;
+        if (this.viewportElement.scrollTop !== scrollTop) {
+            this.viewportElement.scrollTop = scrollTop;
+        }
+    };
+    Viewport.prototype.onScroll = function (ev) {
+        var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
+        var diff = newRow - this.terminal.buffer.ydisp;
+        this.terminal.scrollDisp(diff, true);
+    };
+    Viewport.prototype.onWheel = function (ev) {
+        if (ev.deltaY === 0) {
+            return;
+        }
+        var multiplier = 1;
+        if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
+            multiplier = this.currentRowHeight;
+        }
+        else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+            multiplier = this.currentRowHeight * this.terminal.rows;
+        }
+        this.viewportElement.scrollTop += ev.deltaY * multiplier;
+        ev.preventDefault();
+    };
+    ;
+    Viewport.prototype.onTouchStart = function (ev) {
+        this.lastTouchY = ev.touches[0].pageY;
+    };
+    ;
+    Viewport.prototype.onTouchMove = function (ev) {
+        var deltaY = this.lastTouchY - ev.touches[0].pageY;
+        this.lastTouchY = ev.touches[0].pageY;
+        if (deltaY === 0) {
+            return;
+        }
+        this.viewportElement.scrollTop += deltaY;
+        ev.preventDefault();
+    };
+    ;
+    return Viewport;
+}());
+exports.Viewport = Viewport;
+
+
+
+},{}],14:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function prepareTextForTerminal(text, isMSWindows) {
+    if (isMSWindows) {
+        return text.replace(/\r?\n/g, '\r');
+    }
+    return text;
+}
+exports.prepareTextForTerminal = prepareTextForTerminal;
+function copyHandler(ev, term, selectionManager) {
+    if (term.browser.isMSIE) {
+        window.clipboardData.setData('Text', selectionManager.selectionText);
+    }
+    else {
+        ev.clipboardData.setData('text/plain', selectionManager.selectionText);
+    }
+    ev.preventDefault();
+}
+exports.copyHandler = copyHandler;
+function pasteHandler(ev, term) {
+    ev.stopPropagation();
+    var text;
+    var dispatchPaste = function (text) {
+        text = prepareTextForTerminal(text, term.browser.isMSWindows);
+        term.handler(text);
+        term.textarea.value = '';
+        term.emit('paste', text);
+        return term.cancel(ev);
+    };
+    if (term.browser.isMSIE) {
+        if (window.clipboardData) {
+            text = window.clipboardData.getData('Text');
+            dispatchPaste(text);
+        }
+    }
+    else {
+        if (ev.clipboardData) {
+            text = ev.clipboardData.getData('text/plain');
+            dispatchPaste(text);
+        }
+    }
+}
+exports.pasteHandler = pasteHandler;
+function moveTextAreaUnderMouseCursor(ev, textarea) {
+    textarea.style.position = 'fixed';
+    textarea.style.width = '20px';
+    textarea.style.height = '20px';
+    textarea.style.left = (ev.clientX - 10) + 'px';
+    textarea.style.top = (ev.clientY - 10) + 'px';
+    textarea.style.zIndex = '1000';
+    textarea.focus();
+    setTimeout(function () {
+        textarea.style.position = null;
+        textarea.style.width = null;
+        textarea.style.height = null;
+        textarea.style.left = null;
+        textarea.style.top = null;
+        textarea.style.zIndex = null;
+    }, 4);
+}
+exports.moveTextAreaUnderMouseCursor = moveTextAreaUnderMouseCursor;
+function rightClickHandler(ev, textarea, selectionManager) {
+    moveTextAreaUnderMouseCursor(ev, textarea);
+    textarea.value = selectionManager.selectionText;
+    textarea.select();
+}
+exports.rightClickHandler = rightClickHandler;
+
+
+
+},{}],15:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Generic_1 = require("./Generic");
+var isNode = (typeof navigator === 'undefined') ? true : false;
+var userAgent = (isNode) ? 'node' : navigator.userAgent;
+var platform = (isNode) ? 'node' : navigator.platform;
+exports.isFirefox = !!~userAgent.indexOf('Firefox');
+exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');
+exports.isMac = Generic_1.contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
+exports.isIpad = platform === 'iPad';
+exports.isIphone = platform === 'iPhone';
+exports.isMSWindows = Generic_1.contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);
+exports.isLinux = platform.indexOf('Linux') >= 0;
+
+
+
+},{"./Generic":20}],16:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var LINE_DATA_CHAR_INDEX = 1;
+var LINE_DATA_WIDTH_INDEX = 2;
+function translateBufferLineToString(line, trimRight, startCol, endCol) {
+    if (startCol === void 0) { startCol = 0; }
+    if (endCol === void 0) { endCol = null; }
+    var lineString = '';
+    var widthAdjustedStartCol = startCol;
+    var widthAdjustedEndCol = endCol;
+    for (var i = 0; i < line.length; i++) {
+        var char = line[i];
+        lineString += char[LINE_DATA_CHAR_INDEX];
+        if (char[LINE_DATA_WIDTH_INDEX] === 0) {
+            if (startCol >= i) {
+                widthAdjustedStartCol--;
+            }
+            if (endCol >= i) {
+                widthAdjustedEndCol--;
+            }
+        }
+    }
+    var finalEndCol = widthAdjustedEndCol || line.length;
+    if (trimRight) {
+        var rightWhitespaceIndex = lineString.search(/\s+$/);
+        if (rightWhitespaceIndex !== -1) {
+            finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex);
+        }
+        if (finalEndCol <= widthAdjustedStartCol) {
+            return '';
+        }
+    }
+    return lineString.substring(widthAdjustedStartCol, finalEndCol);
+}
+exports.translateBufferLineToString = translateBufferLineToString;
+
+
+
+},{}],17:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EventEmitter_js_1 = require("../EventEmitter.js");
+var CharMeasure = (function (_super) {
+    __extends(CharMeasure, _super);
+    function CharMeasure(document, parentElement) {
+        var _this = _super.call(this) || this;
+        _this._document = document;
+        _this._parentElement = parentElement;
+        return _this;
+    }
+    Object.defineProperty(CharMeasure.prototype, "width", {
+        get: function () {
+            return this._width;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CharMeasure.prototype, "height", {
+        get: function () {
+            return this._height;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    CharMeasure.prototype.measure = function () {
+        var _this = this;
+        if (!this._measureElement) {
+            this._measureElement = this._document.createElement('span');
+            this._measureElement.style.position = 'absolute';
+            this._measureElement.style.top = '0';
+            this._measureElement.style.left = '-9999em';
+            this._measureElement.textContent = 'W';
+            this._measureElement.setAttribute('aria-hidden', 'true');
+            this._parentElement.appendChild(this._measureElement);
+            setTimeout(function () { return _this._doMeasure(); }, 0);
+        }
+        else {
+            this._doMeasure();
+        }
+    };
+    CharMeasure.prototype._doMeasure = function () {
+        var geometry = this._measureElement.getBoundingClientRect();
+        if (geometry.width === 0 || geometry.height === 0) {
+            return;
+        }
+        if (this._width !== geometry.width || this._height !== geometry.height) {
+            this._width = geometry.width;
+            this._height = geometry.height;
+            this.emit('charsizechanged');
+        }
+    };
+    return CharMeasure;
+}(EventEmitter_js_1.EventEmitter));
+exports.CharMeasure = CharMeasure;
+
+
+
+},{"../EventEmitter.js":6}],18:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EventEmitter_1 = require("../EventEmitter");
+var CircularList = (function (_super) {
+    __extends(CircularList, _super);
+    function CircularList(maxLength) {
+        var _this = _super.call(this) || this;
+        _this._array = new Array(maxLength);
+        _this._startIndex = 0;
+        _this._length = 0;
+        return _this;
+    }
+    Object.defineProperty(CircularList.prototype, "maxLength", {
+        get: function () {
+            return this._array.length;
+        },
+        set: function (newMaxLength) {
+            var newArray = new Array(newMaxLength);
+            for (var i = 0; i < Math.min(newMaxLength, this.length); i++) {
+                newArray[i] = this._array[this._getCyclicIndex(i)];
+            }
+            this._array = newArray;
+            this._startIndex = 0;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CircularList.prototype, "length", {
+        get: function () {
+            return this._length;
+        },
+        set: function (newLength) {
+            if (newLength > this._length) {
+                for (var i = this._length; i < newLength; i++) {
+                    this._array[i] = undefined;
+                }
+            }
+            this._length = newLength;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CircularList.prototype, "forEach", {
+        get: function () {
+            var _this = this;
+            return function (callbackfn) {
+                var i = 0;
+                var length = _this.length;
+                for (var i_1 = 0; i_1 < length; i_1++) {
+                    callbackfn(_this.get(i_1), i_1);
+                }
+            };
+        },
+        enumerable: true,
+        configurable: true
+    });
+    CircularList.prototype.get = function (index) {
+        return this._array[this._getCyclicIndex(index)];
+    };
+    CircularList.prototype.set = function (index, value) {
+        this._array[this._getCyclicIndex(index)] = value;
+    };
+    CircularList.prototype.push = function (value) {
+        this._array[this._getCyclicIndex(this._length)] = value;
+        if (this._length === this.maxLength) {
+            this._startIndex++;
+            if (this._startIndex === this.maxLength) {
+                this._startIndex = 0;
+            }
+            this.emit('trim', 1);
+        }
+        else {
+            this._length++;
+        }
+    };
+    CircularList.prototype.pop = function () {
+        return this._array[this._getCyclicIndex(this._length-- - 1)];
+    };
+    CircularList.prototype.splice = function (start, deleteCount) {
+        var items = [];
+        for (var _i = 2; _i < arguments.length; _i++) {
+            items[_i - 2] = arguments[_i];
+        }
+        if (deleteCount) {
+            for (var i = start; i < this._length - deleteCount; i++) {
+                this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
+            }
+            this._length -= deleteCount;
+        }
+        if (items && items.length) {
+            for (var i = this._length - 1; i >= start; i--) {
+                this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];
+            }
+            for (var i = 0; i < items.length; i++) {
+                this._array[this._getCyclicIndex(start + i)] = items[i];
+            }
+            if (this._length + items.length > this.maxLength) {
+                var countToTrim = (this._length + items.length) - this.maxLength;
+                this._startIndex += countToTrim;
+                this._length = this.maxLength;
+                this.emit('trim', countToTrim);
+            }
+            else {
+                this._length += items.length;
+            }
+        }
+    };
+    CircularList.prototype.trimStart = function (count) {
+        if (count > this._length) {
+            count = this._length;
+        }
+        this._startIndex += count;
+        this._length -= count;
+        this.emit('trim', count);
+    };
+    CircularList.prototype.shiftElements = function (start, count, offset) {
+        if (count <= 0) {
+            return;
+        }
+        if (start < 0 || start >= this._length) {
+            throw new Error('start argument out of range');
+        }
+        if (start + offset < 0) {
+            throw new Error('Cannot shift elements in list beyond index 0');
+        }
+        if (offset > 0) {
+            for (var i = count - 1; i >= 0; i--) {
+                this.set(start + i + offset, this.get(start + i));
+            }
+            var expandListBy = (start + count + offset) - this._length;
+            if (expandListBy > 0) {
+                this._length += expandListBy;
+                while (this._length > this.maxLength) {
+                    this._length--;
+                    this._startIndex++;
+                    this.emit('trim', 1);
+                }
+            }
+        }
+        else {
+            for (var i = 0; i < count; i++) {
+                this.set(start + i + offset, this.get(start + i));
+            }
+        }
+    };
+    CircularList.prototype._getCyclicIndex = function (index) {
+        return (this._startIndex + index) % this.maxLength;
+    };
+    return CircularList;
+}(EventEmitter_1.EventEmitter));
+exports.CircularList = CircularList;
+
+
+
+},{"../EventEmitter":6}],19:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var DomElementObjectPool = (function () {
+    function DomElementObjectPool(type) {
+        this.type = type;
+        this._type = type;
+        this._pool = [];
+        this._inUse = {};
+    }
+    DomElementObjectPool.prototype.acquire = function () {
+        var element;
+        if (this._pool.length === 0) {
+            element = this._createNew();
+        }
+        else {
+            element = this._pool.pop();
+        }
+        this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)] = element;
+        return element;
+    };
+    DomElementObjectPool.prototype.release = function (element) {
+        if (!this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]) {
+            throw new Error('Could not release an element not yet acquired');
+        }
+        delete this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)];
+        this._cleanElement(element);
+        this._pool.push(element);
+    };
+    DomElementObjectPool.prototype._createNew = function () {
+        var element = document.createElement(this._type);
+        var id = DomElementObjectPool._objectCount++;
+        element.setAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE, id.toString(10));
+        return element;
+    };
+    DomElementObjectPool.prototype._cleanElement = function (element) {
+        element.className = '';
+        element.innerHTML = '';
+    };
+    return DomElementObjectPool;
+}());
+DomElementObjectPool.OBJECT_ID_ATTRIBUTE = 'data-obj-id';
+DomElementObjectPool._objectCount = 0;
+exports.DomElementObjectPool = DomElementObjectPool;
+
+
+
+},{}],20:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function contains(arr, el) {
+    return arr.indexOf(el) >= 0;
+}
+exports.contains = contains;
+;
+
+
+
+},{}],21:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function getCoordsRelativeToElement(event, element) {
+    if (event.pageX == null) {
+        return null;
+    }
+    var x = event.pageX;
+    var y = event.pageY;
+    while (element && element !== self.document.documentElement) {
+        x -= element.offsetLeft;
+        y -= element.offsetTop;
+        element = 'offsetParent' in element ? element.offsetParent : element.parentElement;
+    }
+    return [x, y];
+}
+exports.getCoordsRelativeToElement = getCoordsRelativeToElement;
+function getCoords(event, rowContainer, charMeasure, colCount, rowCount, isSelection) {
+    if (!charMeasure.width || !charMeasure.height) {
+        return null;
+    }
+    var coords = getCoordsRelativeToElement(event, rowContainer);
+    if (!coords) {
+        return null;
+    }
+    coords[0] = Math.ceil((coords[0] + (isSelection ? charMeasure.width / 2 : 0)) / charMeasure.width);
+    coords[1] = Math.ceil(coords[1] / charMeasure.height);
+    coords[0] = Math.min(Math.max(coords[0], 1), colCount + 1);
+    coords[1] = Math.min(Math.max(coords[1], 1), rowCount + 1);
+    return coords;
+}
+exports.getCoords = getCoords;
+function getRawByteCoords(event, rowContainer, charMeasure, colCount, rowCount) {
+    var coords = getCoords(event, rowContainer, charMeasure, colCount, rowCount);
+    var x = coords[0];
+    var y = coords[1];
+    x += 32;
+    y += 32;
+    return { x: x, y: y };
+}
+exports.getRawByteCoords = getRawByteCoords;
+
+
+
+},{}],22:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var BufferSet_1 = require("./BufferSet");
+var CompositionHelper_1 = require("./CompositionHelper");
+var EventEmitter_1 = require("./EventEmitter");
+var Viewport_1 = require("./Viewport");
+var Clipboard_1 = require("./handlers/Clipboard");
+var EscapeSequences_1 = require("./EscapeSequences");
+var InputHandler_1 = require("./InputHandler");
+var Parser_1 = require("./Parser");
+var Renderer_1 = require("./Renderer");
+var Linkifier_1 = require("./Linkifier");
+var SelectionManager_1 = require("./SelectionManager");
+var CharMeasure_1 = require("./utils/CharMeasure");
+var Browser = require("./utils/Browser");
+var Mouse_1 = require("./utils/Mouse");
+var BufferLine_1 = require("./utils/BufferLine");
+var document = (typeof window != 'undefined') ? window.document : null;
+var WRITE_BUFFER_PAUSE_THRESHOLD = 5;
+var WRITE_BATCH_SIZE = 300;
+var CURSOR_BLINK_INTERVAL = 600;
+function Terminal(options) {
+    var self = this;
+    if (!(this instanceof Terminal)) {
+        return new Terminal(arguments[0], arguments[1], arguments[2]);
+    }
+    self.browser = Browser;
+    self.cancel = Terminal.cancel;
+    EventEmitter_1.EventEmitter.call(this);
+    if (typeof options === 'number') {
+        options = {
+            cols: arguments[0],
+            rows: arguments[1],
+            handler: arguments[2]
+        };
+    }
+    options = options || {};
+    Object.keys(Terminal.defaults).forEach(function (key) {
+        if (options[key] == null) {
+            options[key] = Terminal.options[key];
+            if (Terminal[key] !== Terminal.defaults[key]) {
+                options[key] = Terminal[key];
+            }
+        }
+        self[key] = options[key];
+    });
+    if (options.colors.length === 8) {
+        options.colors = options.colors.concat(Terminal._colors.slice(8));
+    }
+    else if (options.colors.length === 16) {
+        options.colors = options.colors.concat(Terminal._colors.slice(16));
+    }
+    else if (options.colors.length === 10) {
+        options.colors = options.colors.slice(0, -2).concat(Terminal._colors.slice(8, -2), options.colors.slice(-2));
+    }
+    else if (options.colors.length === 18) {
+        options.colors = options.colors.concat(Terminal._colors.slice(16, -2), options.colors.slice(-2));
+    }
+    this.colors = options.colors;
+    this.options = options;
+    this.parent = options.body || options.parent || (document ? document.getElementsByTagName('body')[0] : null);
+    this.cols = options.cols || options.geometry[0];
+    this.rows = options.rows || options.geometry[1];
+    this.geometry = [this.cols, this.rows];
+    if (options.handler) {
+        this.on('data', options.handler);
+    }
+    this.cursorState = 0;
+    this.cursorHidden = false;
+    this.convertEol;
+    this.queue = '';
+    this.customKeyEventHandler = null;
+    this.cursorBlinkInterval = null;
+    this.applicationKeypad = false;
+    this.applicationCursor = false;
+    this.originMode = false;
+    this.insertMode = false;
+    this.wraparoundMode = true;
+    this.charset = null;
+    this.gcharset = null;
+    this.glevel = 0;
+    this.charsets = [null];
+    this.decLocator;
+    this.x10Mouse;
+    this.vt200Mouse;
+    this.vt300Mouse;
+    this.normalMouse;
+    this.mouseEvents;
+    this.sendFocus;
+    this.utfMouse;
+    this.sgrMouse;
+    this.urxvtMouse;
+    this.element;
+    this.children;
+    this.refreshStart;
+    this.refreshEnd;
+    this.savedX;
+    this.savedY;
+    this.savedCols;
+    this.readable = true;
+    this.writable = true;
+    this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);
+    this.curAttr = this.defAttr;
+    this.params = [];
+    this.currentParam = 0;
+    this.prefix = '';
+    this.postfix = '';
+    this.inputHandler = new InputHandler_1.InputHandler(this);
+    this.parser = new Parser_1.Parser(this.inputHandler, this);
+    this.renderer = this.renderer || null;
+    this.selectionManager = this.selectionManager || null;
+    this.linkifier = this.linkifier || new Linkifier_1.Linkifier();
+    this.writeBuffer = [];
+    this.writeInProgress = false;
+    this.xoffSentToCatchUp = false;
+    this.writeStopped = false;
+    this.surrogate_high = '';
+    this.buffers = new BufferSet_1.BufferSet(this);
+    this.buffer = this.buffers.active;
+    this.buffers.on('activate', function (buffer) {
+        this._terminal.buffer = buffer;
+    });
+    if (this.selectionManager) {
+        this.selectionManager.setBuffer(this.buffer.lines);
+    }
+    this.setupStops();
+    this.userScrolling = false;
+}
+inherits(Terminal, EventEmitter_1.EventEmitter);
+Terminal.prototype.eraseAttr = function () {
+    return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);
+};
+Terminal.tangoColors = [
+    '#2e3436',
+    '#cc0000',
+    '#4e9a06',
+    '#c4a000',
+    '#3465a4',
+    '#75507b',
+    '#06989a',
+    '#d3d7cf',
+    '#555753',
+    '#ef2929',
+    '#8ae234',
+    '#fce94f',
+    '#729fcf',
+    '#ad7fa8',
+    '#34e2e2',
+    '#eeeeec'
+];
+Terminal.colors = (function () {
+    var colors = Terminal.tangoColors.slice(), r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff], i;
+    i = 0;
+    for (; i < 216; i++) {
+        out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);
+    }
+    i = 0;
+    for (; i < 24; i++) {
+        r = 8 + i * 10;
+        out(r, r, r);
+    }
+    function out(r, g, b) {
+        colors.push('#' + hex(r) + hex(g) + hex(b));
+    }
+    function hex(c) {
+        c = c.toString(16);
+        return c.length < 2 ? '0' + c : c;
+    }
+    return colors;
+})();
+Terminal._colors = Terminal.colors.slice();
+Terminal.vcolors = (function () {
+    var out = [], colors = Terminal.colors, i = 0, color;
+    for (; i < 256; i++) {
+        color = parseInt(colors[i].substring(1), 16);
+        out.push([
+            (color >> 16) & 0xff,
+            (color >> 8) & 0xff,
+            color & 0xff
+        ]);
+    }
+    return out;
+})();
+Terminal.defaults = {
+    colors: Terminal.colors,
+    theme: 'default',
+    convertEol: false,
+    termName: 'xterm',
+    geometry: [80, 24],
+    cursorBlink: false,
+    cursorStyle: 'block',
+    visualBell: false,
+    popOnBell: false,
+    scrollback: 1000,
+    screenKeys: false,
+    debug: false,
+    cancelEvents: false,
+    disableStdin: false,
+    useFlowControl: false,
+    tabStopWidth: 8
+};
+Terminal.options = {};
+Terminal.focus = null;
+each(keys(Terminal.defaults), function (key) {
+    Terminal[key] = Terminal.defaults[key];
+    Terminal.options[key] = Terminal.defaults[key];
+});
+Terminal.prototype.focus = function () {
+    return this.textarea.focus();
+};
+Terminal.prototype.getOption = function (key) {
+    if (!(key in Terminal.defaults)) {
+        throw new Error('No option with key "' + key + '"');
+    }
+    if (typeof this.options[key] !== 'undefined') {
+        return this.options[key];
+    }
+    return this[key];
+};
+Terminal.prototype.setOption = function (key, value) {
+    if (!(key in Terminal.defaults)) {
+        throw new Error('No option with key "' + key + '"');
+    }
+    switch (key) {
+        case 'scrollback':
+            if (value < this.rows) {
+                var msg = 'Setting the scrollback value less than the number of rows ';
+                msg += "(" + this.rows + ") is not allowed.";
+                console.warn(msg);
+                return false;
+            }
+            if (this.options[key] !== value) {
+                if (this.buffer.lines.length > value) {
+                    var amountToTrim = this.buffer.lines.length - value;
+                    var needsRefresh = (this.buffer.ydisp - amountToTrim < 0);
+                    this.buffer.lines.trimStart(amountToTrim);
+                    this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);
+                    this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);
+                    if (needsRefresh) {
+                        this.refresh(0, this.rows - 1);
+                    }
+                }
+                this.buffer.lines.maxLength = value;
+                this.viewport.syncScrollArea();
+            }
+            break;
+    }
+    this[key] = value;
+    this.options[key] = value;
+    switch (key) {
+        case 'cursorBlink':
+            this.setCursorBlinking(value);
+            break;
+        case 'cursorStyle':
+            this.element.classList.toggle("xterm-cursor-style-block", value === 'block');
+            this.element.classList.toggle("xterm-cursor-style-underline", value === 'underline');
+            this.element.classList.toggle("xterm-cursor-style-bar", value === 'bar');
+            break;
+        case 'tabStopWidth':
+            this.setupStops();
+            break;
+    }
+};
+Terminal.prototype.restartCursorBlinking = function () {
+    this.setCursorBlinking(this.options.cursorBlink);
+};
+Terminal.prototype.setCursorBlinking = function (enabled) {
+    this.element.classList.toggle('xterm-cursor-blink', enabled);
+    this.clearCursorBlinkingInterval();
+    if (enabled) {
+        var self = this;
+        this.cursorBlinkInterval = setInterval(function () {
+            self.element.classList.toggle('xterm-cursor-blink-on');
+        }, CURSOR_BLINK_INTERVAL);
+    }
+};
+Terminal.prototype.clearCursorBlinkingInterval = function () {
+    this.element.classList.remove('xterm-cursor-blink-on');
+    if (this.cursorBlinkInterval) {
+        clearInterval(this.cursorBlinkInterval);
+        this.cursorBlinkInterval = null;
+    }
+};
+Terminal.bindFocus = function (term) {
+    on(term.textarea, 'focus', function (ev) {
+        if (term.sendFocus) {
+            term.send(EscapeSequences_1.C0.ESC + '[I');
+        }
+        term.element.classList.add('focus');
+        term.showCursor();
+        term.restartCursorBlinking.apply(term);
+        Terminal.focus = term;
+        term.emit('focus', { terminal: term });
+    });
+};
+Terminal.prototype.blur = function () {
+    return this.textarea.blur();
+};
+Terminal.bindBlur = function (term) {
+    on(term.textarea, 'blur', function (ev) {
+        term.refresh(term.buffer.y, term.buffer.y);
+        if (term.sendFocus) {
+            term.send(EscapeSequences_1.C0.ESC + '[O');
+        }
+        term.element.classList.remove('focus');
+        term.clearCursorBlinkingInterval.apply(term);
+        Terminal.focus = null;
+        term.emit('blur', { terminal: term });
+    });
+};
+Terminal.prototype.initGlobal = function () {
+    var _this = this;
+    var term = this;
+    Terminal.bindKeys(this);
+    Terminal.bindFocus(this);
+    Terminal.bindBlur(this);
+    on(this.element, 'copy', function (event) {
+        if (!term.hasSelection()) {
+            return;
+        }
+        Clipboard_1.copyHandler(event, term, _this.selectionManager);
+    });
+    var pasteHandlerWrapper = function (event) { return Clipboard_1.pasteHandler(event, term); };
+    on(this.textarea, 'paste', pasteHandlerWrapper);
+    on(this.element, 'paste', pasteHandlerWrapper);
+    if (term.browser.isFirefox) {
+        on(this.element, 'mousedown', function (event) {
+            if (event.button == 2) {
+                Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager);
+            }
+        });
+    }
+    else {
+        on(this.element, 'contextmenu', function (event) {
+            Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager);
+        });
+    }
+    if (term.browser.isLinux) {
+        on(this.element, 'auxclick', function (event) {
+            if (event.button === 1) {
+                Clipboard_1.moveTextAreaUnderMouseCursor(event, _this.textarea, _this.selectionManager);
+            }
+        });
+    }
+};
+Terminal.bindKeys = function (term) {
+    on(term.element, 'keydown', function (ev) {
+        if (document.activeElement != this) {
+            return;
+        }
+        term.keyDown(ev);
+    }, true);
+    on(term.element, 'keypress', function (ev) {
+        if (document.activeElement != this) {
+            return;
+        }
+        term.keyPress(ev);
+    }, true);
+    on(term.element, 'keyup', function (ev) {
+        if (!wasMondifierKeyOnlyEvent(ev)) {
+            term.focus(term);
+        }
+    }, true);
+    on(term.textarea, 'keydown', function (ev) {
+        term.keyDown(ev);
+    }, true);
+    on(term.textarea, 'keypress', function (ev) {
+        term.keyPress(ev);
+        this.value = '';
+    }, true);
+    on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));
+    on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));
+    on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));
+    term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));
+    term.on('refresh', function (data) {
+        term.queueLinkification(data.start, data.end);
+    });
+};
+Terminal.prototype.insertRow = function (row) {
+    if (typeof row != 'object') {
+        row = document.createElement('div');
+    }
+    this.rowContainer.appendChild(row);
+    this.children.push(row);
+    return row;
+};
+Terminal.prototype.open = function (parent, focus) {
+    var _this = this;
+    var self = this, i = 0, div;
+    this.parent = parent || this.parent;
+    if (!this.parent) {
+        throw new Error('Terminal requires a parent element.');
+    }
+    this.context = this.parent.ownerDocument.defaultView;
+    this.document = this.parent.ownerDocument;
+    this.body = this.document.getElementsByTagName('body')[0];
+    this.element = this.document.createElement('div');
+    this.element.classList.add('terminal');
+    this.element.classList.add('xterm');
+    this.element.classList.add('xterm-theme-' + this.theme);
+    this.element.classList.add("xterm-cursor-style-" + this.options.cursorStyle);
+    this.setCursorBlinking(this.options.cursorBlink);
+    this.element.setAttribute('tabindex', 0);
+    this.viewportElement = document.createElement('div');
+    this.viewportElement.classList.add('xterm-viewport');
+    this.element.appendChild(this.viewportElement);
+    this.viewportScrollArea = document.createElement('div');
+    this.viewportScrollArea.classList.add('xterm-scroll-area');
+    this.viewportElement.appendChild(this.viewportScrollArea);
+    this.selectionContainer = document.createElement('div');
+    this.selectionContainer.classList.add('xterm-selection');
+    this.element.appendChild(this.selectionContainer);
+    this.rowContainer = document.createElement('div');
+    this.rowContainer.classList.add('xterm-rows');
+    this.element.appendChild(this.rowContainer);
+    this.children = [];
+    this.linkifier.attachToDom(document, this.children);
+    this.helperContainer = document.createElement('div');
+    this.helperContainer.classList.add('xterm-helpers');
+    this.element.appendChild(this.helperContainer);
+    this.textarea = document.createElement('textarea');
+    this.textarea.classList.add('xterm-helper-textarea');
+    this.textarea.setAttribute('autocorrect', 'off');
+    this.textarea.setAttribute('autocapitalize', 'off');
+    this.textarea.setAttribute('spellcheck', 'false');
+    this.textarea.tabIndex = 0;
+    this.textarea.addEventListener('focus', function () {
+        self.emit('focus', { terminal: self });
+    });
+    this.textarea.addEventListener('blur', function () {
+        self.emit('blur', { terminal: self });
+    });
+    this.helperContainer.appendChild(this.textarea);
+    this.compositionView = document.createElement('div');
+    this.compositionView.classList.add('composition-view');
+    this.compositionHelper = new CompositionHelper_1.CompositionHelper(this.textarea, this.compositionView, this);
+    this.helperContainer.appendChild(this.compositionView);
+    this.charSizeStyleElement = document.createElement('style');
+    this.helperContainer.appendChild(this.charSizeStyleElement);
+    for (; i < this.rows; i++) {
+        this.insertRow();
+    }
+    this.parent.appendChild(this.element);
+    this.charMeasure = new CharMeasure_1.CharMeasure(document, this.helperContainer);
+    this.charMeasure.on('charsizechanged', function () {
+        self.updateCharSizeStyles();
+    });
+    this.charMeasure.measure();
+    this.viewport = new Viewport_1.Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);
+    this.renderer = new Renderer_1.Renderer(this);
+    this.selectionManager = new SelectionManager_1.SelectionManager(this, this.buffer.lines, this.rowContainer, this.charMeasure);
+    this.selectionManager.on('refresh', function (data) {
+        _this.renderer.refreshSelection(data.start, data.end);
+    });
+    this.selectionManager.on('newselection', function (text) {
+        _this.textarea.value = text;
+        _this.textarea.focus();
+        _this.textarea.select();
+    });
+    this.on('scroll', function () { return _this.selectionManager.refresh(); });
+    this.viewportElement.addEventListener('scroll', function () { return _this.selectionManager.refresh(); });
+    this.refresh(0, this.rows - 1);
+    this.initGlobal();
+    if (typeof focus == 'undefined') {
+        var message = 'You did not pass the `focus` argument in `Terminal.prototype.open()`.\n';
+        message += 'The `focus` argument now defaults to `true` but starting with xterm.js 3.0 ';
+        message += 'it will default to `false`.';
+        console.warn(message);
+        focus = true;
+    }
+    if (focus) {
+        this.focus();
+    }
+    this.bindMouse();
+    this.emit('open');
+};
+Terminal.loadAddon = function (addon, callback) {
+    if (typeof exports === 'object' && typeof module === 'object') {
+        return require('./addons/' + addon + '/' + addon);
+    }
+    else if (typeof define == 'function') {
+        return require(['./addons/' + addon + '/' + addon], callback);
+    }
+    else {
+        console.error('Cannot load a module without a CommonJS or RequireJS environment.');
+        return false;
+    }
+};
+Terminal.prototype.updateCharSizeStyles = function () {
+    this.charSizeStyleElement.textContent =
+        ".xterm-wide-char{width:" + this.charMeasure.width * 2 + "px;}" +
+            (".xterm-normal-char{width:" + this.charMeasure.width + "px;}") +
+            (".xterm-rows > div{height:" + this.charMeasure.height + "px;}");
+};
+Terminal.prototype.bindMouse = function () {
+    var el = this.element, self = this, pressed = 32;
+    function sendButton(ev) {
+        var button, pos;
+        button = getButton(ev);
+        pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);
+        if (!pos)
+            return;
+        sendEvent(button, pos);
+        switch (ev.overrideType || ev.type) {
+            case 'mousedown':
+                pressed = button;
+                break;
+            case 'mouseup':
+                pressed = 32;
+                break;
+            case 'wheel':
+                break;
+        }
+    }
+    function sendMove(ev) {
+        var button = pressed, pos;
+        pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);
+        if (!pos)
+            return;
+        button += 32;
+        sendEvent(button, pos);
+    }
+    function encode(data, ch) {
+        if (!self.utfMouse) {
+            if (ch === 255)
+                return data.push(0);
+            if (ch > 127)
+                ch = 127;
+            data.push(ch);
+        }
+        else {
+            if (ch === 2047)
+                return data.push(0);
+            if (ch < 127) {
+                data.push(ch);
+            }
+            else {
+                if (ch > 2047)
+                    ch = 2047;
+                data.push(0xC0 | (ch >> 6));
+                data.push(0x80 | (ch & 0x3F));
+            }
+        }
+    }
+    function sendEvent(button, pos) {
+        if (self.vt300Mouse) {
+            button &= 3;
+            pos.x -= 32;
+            pos.y -= 32;
+            var data = EscapeSequences_1.C0.ESC + '[24';
+            if (button === 0)
+                data += '1';
+            else if (button === 1)
+                data += '3';
+            else if (button === 2)
+                data += '5';
+            else if (button === 3)
+                return;
+            else
+                data += '0';
+            data += '~[' + pos.x + ',' + pos.y + ']\r';
+            self.send(data);
+            return;
+        }
+        if (self.decLocator) {
+            button &= 3;
+            pos.x -= 32;
+            pos.y -= 32;
+            if (button === 0)
+                button = 2;
+            else if (button === 1)
+                button = 4;
+            else if (button === 2)
+                button = 6;
+            else if (button === 3)
+                button = 3;
+            self.send(EscapeSequences_1.C0.ESC + '['
+                + button
+                + ';'
+                + (button === 3 ? 4 : 0)
+                + ';'
+                + pos.y
+                + ';'
+                + pos.x
+                + ';'
+                + (pos.page || 0)
+                + '&w');
+            return;
+        }
+        if (self.urxvtMouse) {
+            pos.x -= 32;
+            pos.y -= 32;
+            pos.x++;
+            pos.y++;
+            self.send(EscapeSequences_1.C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');
+            return;
+        }
+        if (self.sgrMouse) {
+            pos.x -= 32;
+            pos.y -= 32;
+            self.send(EscapeSequences_1.C0.ESC + '[<'
+                + (((button & 3) === 3 ? button & ~3 : button) - 32)
+                + ';'
+                + pos.x
+                + ';'
+                + pos.y
+                + ((button & 3) === 3 ? 'm' : 'M'));
+            return;
+        }
+        var data = [];
+        encode(data, button);
+        encode(data, pos.x);
+        encode(data, pos.y);
+        self.send(EscapeSequences_1.C0.ESC + '[M' + String.fromCharCode.apply(String, data));
+    }
+    function getButton(ev) {
+        var button, shift, meta, ctrl, mod;
+        switch (ev.overrideType || ev.type) {
+            case 'mousedown':
+                button = ev.button != null
+                    ? +ev.button
+                    : ev.which != null
+                        ? ev.which - 1
+                        : null;
+                if (self.browser.isMSIE) {
+                    button = button === 1 ? 0 : button === 4 ? 1 : button;
+                }
+                break;
+            case 'mouseup':
+                button = 3;
+                break;
+            case 'DOMMouseScroll':
+                button = ev.detail < 0
+                    ? 64
+                    : 65;
+                break;
+            case 'wheel':
+                button = ev.wheelDeltaY > 0
+                    ? 64
+                    : 65;
+                break;
+        }
+        shift = ev.shiftKey ? 4 : 0;
+        meta = ev.metaKey ? 8 : 0;
+        ctrl = ev.ctrlKey ? 16 : 0;
+        mod = shift | meta | ctrl;
+        if (self.vt200Mouse) {
+            mod &= ctrl;
+        }
+        else if (!self.normalMouse) {
+            mod = 0;
+        }
+        button = (32 + (mod << 2)) + button;
+        return button;
+    }
+    on(el, 'mousedown', function (ev) {
+        ev.preventDefault();
+        self.focus();
+        if (!self.mouseEvents)
+            return;
+        sendButton(ev);
+        if (self.vt200Mouse) {
+            ev.overrideType = 'mouseup';
+            sendButton(ev);
+            return self.cancel(ev);
+        }
+        if (self.normalMouse)
+            on(self.document, 'mousemove', sendMove);
+        if (!self.x10Mouse) {
+            on(self.document, 'mouseup', function up(ev) {
+                sendButton(ev);
+                if (self.normalMouse)
+                    off(self.document, 'mousemove', sendMove);
+                off(self.document, 'mouseup', up);
+                return self.cancel(ev);
+            });
+        }
+        return self.cancel(ev);
+    });
+    on(el, 'wheel', function (ev) {
+        if (!self.mouseEvents)
+            return;
+        if (self.x10Mouse
+            || self.vt300Mouse
+            || self.decLocator)
+            return;
+        sendButton(ev);
+        return self.cancel(ev);
+    });
+    on(el, 'wheel', function (ev) {
+        if (self.mouseEvents)
+            return;
+        self.viewport.onWheel(ev);
+        return self.cancel(ev);
+    });
+    on(el, 'touchstart', function (ev) {
+        if (self.mouseEvents)
+            return;
+        self.viewport.onTouchStart(ev);
+        return self.cancel(ev);
+    });
+    on(el, 'touchmove', function (ev) {
+        if (self.mouseEvents)
+            return;
+        self.viewport.onTouchMove(ev);
+        return self.cancel(ev);
+    });
+};
+Terminal.prototype.destroy = function () {
+    this.readable = false;
+    this.writable = false;
+    this._events = {};
+    this.handler = function () { };
+    this.write = function () { };
+    if (this.element && this.element.parentNode) {
+        this.element.parentNode.removeChild(this.element);
+    }
+};
+Terminal.prototype.refresh = function (start, end) {
+    if (this.renderer) {
+        this.renderer.queueRefresh(start, end);
+    }
+};
+Terminal.prototype.queueLinkification = function (start, end) {
+    if (this.linkifier) {
+        for (var i = start; i <= end; i++) {
+            this.linkifier.linkifyRow(i);
+        }
+    }
+};
+Terminal.prototype.showCursor = function () {
+    if (!this.cursorState) {
+        this.cursorState = 1;
+        this.refresh(this.buffer.y, this.buffer.y);
+    }
+};
+Terminal.prototype.scroll = function (isWrapped) {
+    var row;
+    if (this.buffer.lines.length === this.buffer.lines.maxLength) {
+        this.buffer.lines.trimStart(1);
+        this.buffer.ybase--;
+        if (this.buffer.ydisp !== 0) {
+            this.buffer.ydisp--;
+        }
+    }
+    this.buffer.ybase++;
+    if (!this.userScrolling) {
+        this.buffer.ydisp = this.buffer.ybase;
+    }
+    row = this.buffer.ybase + this.rows - 1;
+    row -= this.rows - 1 - this.buffer.scrollBottom;
+    if (row === this.buffer.lines.length) {
+        this.buffer.lines.push(this.blankLine(undefined, isWrapped));
+    }
+    else {
+        this.buffer.lines.splice(row, 0, this.blankLine(undefined, isWrapped));
+    }
+    if (this.buffer.scrollTop !== 0) {
+        if (this.buffer.ybase !== 0) {
+            this.buffer.ybase--;
+            if (!this.userScrolling) {
+                this.buffer.ydisp = this.buffer.ybase;
+            }
+        }
+        this.buffer.lines.splice(this.buffer.ybase + this.buffer.scrollTop, 1);
+    }
+    this.updateRange(this.buffer.scrollTop);
+    this.updateRange(this.buffer.scrollBottom);
+    this.emit('scroll', this.buffer.ydisp);
+};
+Terminal.prototype.scrollDisp = function (disp, suppressScrollEvent) {
+    if (disp < 0) {
+        if (this.buffer.ydisp === 0) {
+            return;
+        }
+        this.userScrolling = true;
+    }
+    else if (disp + this.buffer.ydisp >= this.buffer.ybase) {
+        this.userScrolling = false;
+    }
+    var oldYdisp = this.buffer.ydisp;
+    this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);
+    if (oldYdisp === this.buffer.ydisp) {
+        return;
+    }
+    if (!suppressScrollEvent) {
+        this.emit('scroll', this.buffer.ydisp);
+    }
+    this.refresh(0, this.rows - 1);
+};
+Terminal.prototype.scrollPages = function (pageCount) {
+    this.scrollDisp(pageCount * (this.rows - 1));
+};
+Terminal.prototype.scrollToTop = function () {
+    this.scrollDisp(-this.buffer.ydisp);
+};
+Terminal.prototype.scrollToBottom = function () {
+    this.scrollDisp(this.buffer.ybase - this.buffer.ydisp);
+};
+Terminal.prototype.write = function (data) {
+    this.writeBuffer.push(data);
+    if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {
+        this.send(EscapeSequences_1.C0.DC3);
+        this.xoffSentToCatchUp = true;
+    }
+    if (!this.writeInProgress && this.writeBuffer.length > 0) {
+        this.writeInProgress = true;
+        var self = this;
+        setTimeout(function () {
+            self.innerWrite();
+        });
+    }
+};
+Terminal.prototype.innerWrite = function () {
+    var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);
+    while (writeBatch.length > 0) {
+        var data = writeBatch.shift();
+        var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
+        if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {
+            this.send(EscapeSequences_1.C0.DC1);
+            this.xoffSentToCatchUp = false;
+        }
+        this.refreshStart = this.buffer.y;
+        this.refreshEnd = this.buffer.y;
+        var state = this.parser.parse(data);
+        this.parser.setState(state);
+        this.updateRange(this.buffer.y);
+        this.refresh(this.refreshStart, this.refreshEnd);
+    }
+    if (this.writeBuffer.length > 0) {
+        var self = this;
+        setTimeout(function () {
+            self.innerWrite();
+        }, 0);
+    }
+    else {
+        this.writeInProgress = false;
+    }
+};
+Terminal.prototype.writeln = function (data) {
+    this.write(data + '\r\n');
+};
+Terminal.prototype.attachCustomKeydownHandler = function (customKeydownHandler) {
+    var message = 'attachCustomKeydownHandler() is DEPRECATED and will be removed soon. Please use attachCustomKeyEventHandler() instead.';
+    console.warn(message);
+    this.attachCustomKeyEventHandler(customKeydownHandler);
+};
+Terminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) {
+    this.customKeyEventHandler = customKeyEventHandler;
+};
+Terminal.prototype.setHypertextLinkHandler = function (handler) {
+    if (!this.linkifier) {
+        throw new Error('Cannot attach a hypertext link handler before Terminal.open is called');
+    }
+    this.linkifier.setHypertextLinkHandler(handler);
+    this.refresh(0, this.rows - 1);
+};
+Terminal.prototype.setHypertextValidationCallback = function (callback) {
+    if (!this.linkifier) {
+        throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called');
+    }
+    this.linkifier.setHypertextValidationCallback(callback);
+    this.refresh(0, this.rows - 1);
+};
+Terminal.prototype.registerLinkMatcher = function (regex, handler, options) {
+    if (this.linkifier) {
+        var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);
+        this.refresh(0, this.rows - 1);
+        return matcherId;
+    }
+};
+Terminal.prototype.deregisterLinkMatcher = function (matcherId) {
+    if (this.linkifier) {
+        if (this.linkifier.deregisterLinkMatcher(matcherId)) {
+            this.refresh(0, this.rows - 1);
+        }
+    }
+};
+Terminal.prototype.hasSelection = function () {
+    return this.selectionManager ? this.selectionManager.hasSelection : false;
+};
+Terminal.prototype.getSelection = function () {
+    return this.selectionManager ? this.selectionManager.selectionText : '';
+};
+Terminal.prototype.clearSelection = function () {
+    if (this.selectionManager) {
+        this.selectionManager.clearSelection();
+    }
+};
+Terminal.prototype.selectAll = function () {
+    if (this.selectionManager) {
+        this.selectionManager.selectAll();
+    }
+};
+Terminal.prototype.keyDown = function (ev) {
+    if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {
+        return false;
+    }
+    this.restartCursorBlinking();
+    if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {
+        if (this.buffer.ybase !== this.buffer.ydisp) {
+            this.scrollToBottom();
+        }
+        return false;
+    }
+    var self = this;
+    var result = this.evaluateKeyEscapeSequence(ev);
+    if (result.key === EscapeSequences_1.C0.DC3) {
+        this.writeStopped = true;
+    }
+    else if (result.key === EscapeSequences_1.C0.DC1) {
+        this.writeStopped = false;
+    }
+    if (result.scrollDisp) {
+        this.scrollDisp(result.scrollDisp);
+        return this.cancel(ev, true);
+    }
+    if (isThirdLevelShift(this, ev)) {
+        return true;
+    }
+    if (result.cancel) {
+        this.cancel(ev, true);
+    }
+    if (!result.key) {
+        return true;
+    }
+    this.emit('keydown', ev);
+    this.emit('key', result.key, ev);
+    this.showCursor();
+    this.handler(result.key);
+    return this.cancel(ev, true);
+};
+Terminal.prototype.evaluateKeyEscapeSequence = function (ev) {
+    var result = {
+        cancel: false,
+        key: undefined,
+        scrollDisp: undefined
+    };
+    var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;
+    switch (ev.keyCode) {
+        case 8:
+            if (ev.shiftKey) {
+                result.key = EscapeSequences_1.C0.BS;
+                break;
+            }
+            result.key = EscapeSequences_1.C0.DEL;
+            break;
+        case 9:
+            if (ev.shiftKey) {
+                result.key = EscapeSequences_1.C0.ESC + '[Z';
+                break;
+            }
+            result.key = EscapeSequences_1.C0.HT;
+            result.cancel = true;
+            break;
+        case 13:
+            result.key = EscapeSequences_1.C0.CR;
+            result.cancel = true;
+            break;
+        case 27:
+            result.key = EscapeSequences_1.C0.ESC;
+            result.cancel = true;
+            break;
+        case 37:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'D';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3D') {
+                    result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'b' : EscapeSequences_1.C0.ESC + '[1;5D';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OD';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[D';
+            }
+            break;
+        case 39:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'C';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3C') {
+                    result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'f' : EscapeSequences_1.C0.ESC + '[1;5C';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OC';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[C';
+            }
+            break;
+        case 38:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'A';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3A') {
+                    result.key = EscapeSequences_1.C0.ESC + '[1;5A';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OA';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[A';
+            }
+            break;
+        case 40:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'B';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3B') {
+                    result.key = EscapeSequences_1.C0.ESC + '[1;5B';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OB';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[B';
+            }
+            break;
+        case 45:
+            if (!ev.shiftKey && !ev.ctrlKey) {
+                result.key = EscapeSequences_1.C0.ESC + '[2~';
+            }
+            break;
+        case 46:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[3;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[3~';
+            }
+            break;
+        case 36:
+            if (modifiers)
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'H';
+            else if (this.applicationCursor)
+                result.key = EscapeSequences_1.C0.ESC + 'OH';
+            else
+                result.key = EscapeSequences_1.C0.ESC + '[H';
+            break;
+        case 35:
+            if (modifiers)
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'F';
+            else if (this.applicationCursor)
+                result.key = EscapeSequences_1.C0.ESC + 'OF';
+            else
+                result.key = EscapeSequences_1.C0.ESC + '[F';
+            break;
+        case 33:
+            if (ev.shiftKey) {
+                result.scrollDisp = -(this.rows - 1);
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[5~';
+            }
+            break;
+        case 34:
+            if (ev.shiftKey) {
+                result.scrollDisp = this.rows - 1;
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[6~';
+            }
+            break;
+        case 112:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'P';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OP';
+            }
+            break;
+        case 113:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'Q';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OQ';
+            }
+            break;
+        case 114:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'R';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OR';
+            }
+            break;
+        case 115:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'S';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OS';
+            }
+            break;
+        case 116:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[15;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[15~';
+            }
+            break;
+        case 117:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[17;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[17~';
+            }
+            break;
+        case 118:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[18;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[18~';
+            }
+            break;
+        case 119:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[19;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[19~';
+            }
+            break;
+        case 120:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[20;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[20~';
+            }
+            break;
+        case 121:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[21;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[21~';
+            }
+            break;
+        case 122:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[23;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[23~';
+            }
+            break;
+        case 123:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[24;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[24~';
+            }
+            break;
+        default:
+            if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
+                if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+                    result.key = String.fromCharCode(ev.keyCode - 64);
+                }
+                else if (ev.keyCode === 32) {
+                    result.key = String.fromCharCode(0);
+                }
+                else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
+                    result.key = String.fromCharCode(ev.keyCode - 51 + 27);
+                }
+                else if (ev.keyCode === 56) {
+                    result.key = String.fromCharCode(127);
+                }
+                else if (ev.keyCode === 219) {
+                    result.key = String.fromCharCode(27);
+                }
+                else if (ev.keyCode === 220) {
+                    result.key = String.fromCharCode(28);
+                }
+                else if (ev.keyCode === 221) {
+                    result.key = String.fromCharCode(29);
+                }
+            }
+            else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {
+                if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+                    result.key = EscapeSequences_1.C0.ESC + String.fromCharCode(ev.keyCode + 32);
+                }
+                else if (ev.keyCode === 192) {
+                    result.key = EscapeSequences_1.C0.ESC + '`';
+                }
+                else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
+                    result.key = EscapeSequences_1.C0.ESC + (ev.keyCode - 48);
+                }
+            }
+            else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {
+                if (ev.keyCode === 65) {
+                    this.selectAll();
+                }
+            }
+            break;
+    }
+    return result;
+};
+Terminal.prototype.setgLevel = function (g) {
+    this.glevel = g;
+    this.charset = this.charsets[g];
+};
+Terminal.prototype.setgCharset = function (g, charset) {
+    this.charsets[g] = charset;
+    if (this.glevel === g) {
+        this.charset = charset;
+    }
+};
+Terminal.prototype.keyPress = function (ev) {
+    var key;
+    if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {
+        return false;
+    }
+    this.cancel(ev);
+    if (ev.charCode) {
+        key = ev.charCode;
+    }
+    else if (ev.which == null) {
+        key = ev.keyCode;
+    }
+    else if (ev.which !== 0 && ev.charCode !== 0) {
+        key = ev.which;
+    }
+    else {
+        return false;
+    }
+    if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev))) {
+        return false;
+    }
+    key = String.fromCharCode(key);
+    this.emit('keypress', key, ev);
+    this.emit('key', key, ev);
+    this.showCursor();
+    this.handler(key);
+    return true;
+};
+Terminal.prototype.send = function (data) {
+    var self = this;
+    if (!this.queue) {
+        setTimeout(function () {
+            self.handler(self.queue);
+            self.queue = '';
+        }, 1);
+    }
+    this.queue += data;
+};
+Terminal.prototype.bell = function () {
+    if (!this.visualBell)
+        return;
+    var self = this;
+    this.element.style.borderColor = 'white';
+    setTimeout(function () {
+        self.element.style.borderColor = '';
+    }, 10);
+    if (this.popOnBell)
+        this.focus();
+};
+Terminal.prototype.log = function () {
+    if (!this.debug)
+        return;
+    if (!this.context.console || !this.context.console.log)
+        return;
+    var args = Array.prototype.slice.call(arguments);
+    this.context.console.log.apply(this.context.console, args);
+};
+Terminal.prototype.error = function () {
+    if (!this.debug)
+        return;
+    if (!this.context.console || !this.context.console.error)
+        return;
+    var args = Array.prototype.slice.call(arguments);
+    this.context.console.error.apply(this.context.console, args);
+};
+Terminal.prototype.resize = function (x, y) {
+    if (isNaN(x) || isNaN(y)) {
+        return;
+    }
+    if (y > this.getOption('scrollback')) {
+        this.setOption('scrollback', y);
+    }
+    var line, el, i, j, ch, addToY;
+    if (x === this.cols && y === this.rows) {
+        if (!this.charMeasure.width || !this.charMeasure.height) {
+            this.charMeasure.measure();
+        }
+        return;
+    }
+    if (x < 1)
+        x = 1;
+    if (y < 1)
+        y = 1;
+    this.buffers.resize(x, y);
+    while (this.children.length < y) {
+        this.insertRow();
+    }
+    while (this.children.length > y) {
+        el = this.children.shift();
+        if (!el)
+            continue;
+        el.parentNode.removeChild(el);
+    }
+    this.cols = x;
+    this.rows = y;
+    this.setupStops(this.cols);
+    this.charMeasure.measure();
+    this.refresh(0, this.rows - 1);
+    this.geometry = [this.cols, this.rows];
+    this.emit('resize', { terminal: this, cols: x, rows: y });
+};
+Terminal.prototype.updateRange = function (y) {
+    if (y < this.refreshStart)
+        this.refreshStart = y;
+    if (y > this.refreshEnd)
+        this.refreshEnd = y;
+};
+Terminal.prototype.maxRange = function () {
+    this.refreshStart = 0;
+    this.refreshEnd = this.rows - 1;
+};
+Terminal.prototype.setupStops = function (i) {
+    if (i != null) {
+        if (!this.buffer.tabs[i]) {
+            i = this.prevStop(i);
+        }
+    }
+    else {
+        this.buffer.tabs = {};
+        i = 0;
+    }
+    for (; i < this.cols; i += this.getOption('tabStopWidth')) {
+        this.buffer.tabs[i] = true;
+    }
+};
+Terminal.prototype.prevStop = function (x) {
+    if (x == null)
+        x = this.buffer.x;
+    while (!this.buffer.tabs[--x] && x > 0)
+        ;
+    return x >= this.cols
+        ? this.cols - 1
+        : x < 0 ? 0 : x;
+};
+Terminal.prototype.nextStop = function (x) {
+    if (x == null)
+        x = this.buffer.x;
+    while (!this.buffer.tabs[++x] && x < this.cols)
+        ;
+    return x >= this.cols
+        ? this.cols - 1
+        : x < 0 ? 0 : x;
+};
+Terminal.prototype.eraseRight = function (x, y) {
+    var line = this.buffer.lines.get(this.buffer.ybase + y);
+    if (!line) {
+        return;
+    }
+    var ch = [this.eraseAttr(), ' ', 1];
+    for (; x < this.cols; x++) {
+        line[x] = ch;
+    }
+    this.updateRange(y);
+};
+Terminal.prototype.eraseLeft = function (x, y) {
+    var line = this.buffer.lines.get(this.buffer.ybase + y);
+    if (!line) {
+        return;
+    }
+    var ch = [this.eraseAttr(), ' ', 1];
+    x++;
+    while (x--) {
+        line[x] = ch;
+    }
+    this.updateRange(y);
+};
+Terminal.prototype.clear = function () {
+    if (this.buffer.ybase === 0 && this.buffer.y === 0) {
+        return;
+    }
+    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));
+    this.buffer.lines.length = 1;
+    this.buffer.ydisp = 0;
+    this.buffer.ybase = 0;
+    this.buffer.y = 0;
+    for (var i = 1; i < this.rows; i++) {
+        this.buffer.lines.push(this.blankLine());
+    }
+    this.refresh(0, this.rows - 1);
+    this.emit('scroll', this.buffer.ydisp);
+};
+Terminal.prototype.eraseLine = function (y) {
+    this.eraseRight(0, y);
+};
+Terminal.prototype.blankLine = function (cur, isWrapped, cols) {
+    var attr = cur
+        ? this.eraseAttr()
+        : this.defAttr;
+    var ch = [attr, ' ', 1], line = [], i = 0;
+    if (isWrapped) {
+        line.isWrapped = isWrapped;
+    }
+    cols = cols || this.cols;
+    for (; i < cols; i++) {
+        line[i] = ch;
+    }
+    return line;
+};
+Terminal.prototype.ch = function (cur) {
+    return cur
+        ? [this.eraseAttr(), ' ', 1]
+        : [this.defAttr, ' ', 1];
+};
+Terminal.prototype.is = function (term) {
+    var name = this.termName;
+    return (name + '').indexOf(term) === 0;
+};
+Terminal.prototype.handler = function (data) {
+    if (this.options.disableStdin) {
+        return;
+    }
+    if (this.selectionManager && this.selectionManager.hasSelection) {
+        this.selectionManager.clearSelection();
+    }
+    if (this.buffer.ybase !== this.buffer.ydisp) {
+        this.scrollToBottom();
+    }
+    this.emit('data', data);
+};
+Terminal.prototype.handleTitle = function (title) {
+    this.emit('title', title);
+};
+Terminal.prototype.index = function () {
+    this.buffer.y++;
+    if (this.buffer.y > this.buffer.scrollBottom) {
+        this.buffer.y--;
+        this.scroll();
+    }
+    if (this.buffer.x >= this.cols) {
+        this.buffer.x--;
+    }
+};
+Terminal.prototype.reverseIndex = function () {
+    var j;
+    if (this.buffer.y === this.buffer.scrollTop) {
+        this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, this.rows - 1, 1);
+        this.buffer.lines.set(this.buffer.y + this.buffer.ybase, this.blankLine(true));
+        this.updateRange(this.buffer.scrollTop);
+        this.updateRange(this.buffer.scrollBottom);
+    }
+    else {
+        this.buffer.y--;
+    }
+};
+Terminal.prototype.reset = function () {
+    this.options.rows = this.rows;
+    this.options.cols = this.cols;
+    var customKeyEventHandler = this.customKeyEventHandler;
+    var cursorBlinkInterval = this.cursorBlinkInterval;
+    var inputHandler = this.inputHandler;
+    Terminal.call(this, this.options);
+    this.customKeyEventHandler = customKeyEventHandler;
+    this.cursorBlinkInterval = cursorBlinkInterval;
+    this.inputHandler = inputHandler;
+    this.refresh(0, this.rows - 1);
+    this.viewport.syncScrollArea();
+};
+Terminal.prototype.tabSet = function () {
+    this.buffer.tabs[this.buffer.x] = true;
+};
+function on(el, type, handler, capture) {
+    if (!Array.isArray(el)) {
+        el = [el];
+    }
+    el.forEach(function (element) {
+        element.addEventListener(type, handler, capture || false);
+    });
+}
+function off(el, type, handler, capture) {
+    el.removeEventListener(type, handler, capture || false);
+}
+function cancel(ev, force) {
+    if (!this.cancelEvents && !force) {
+        return;
+    }
+    ev.preventDefault();
+    ev.stopPropagation();
+    return false;
+}
+function inherits(child, parent) {
+    function f() {
+        this.constructor = child;
+    }
+    f.prototype = parent.prototype;
+    child.prototype = new f;
+}
+function indexOf(obj, el) {
+    var i = obj.length;
+    while (i--) {
+        if (obj[i] === el)
+            return i;
+    }
+    return -1;
+}
+function isThirdLevelShift(term, ev) {
+    var thirdLevelKey = (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
+        (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
+    if (ev.type == 'keypress') {
+        return thirdLevelKey;
+    }
+    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
+}
+Terminal.prototype.matchColor = matchColor;
+function matchColor(r1, g1, b1) {
+    var hash = (r1 << 16) | (g1 << 8) | b1;
+    if (matchColor._cache[hash] != null) {
+        return matchColor._cache[hash];
+    }
+    var ldiff = Infinity, li = -1, i = 0, c, r2, g2, b2, diff;
+    for (; i < Terminal.vcolors.length; i++) {
+        c = Terminal.vcolors[i];
+        r2 = c[0];
+        g2 = c[1];
+        b2 = c[2];
+        diff = matchColor.distance(r1, g1, b1, r2, g2, b2);
+        if (diff === 0) {
+            li = i;
+            break;
+        }
+        if (diff < ldiff) {
+            ldiff = diff;
+            li = i;
+        }
+    }
+    return matchColor._cache[hash] = li;
+}
+matchColor._cache = {};
+matchColor.distance = function (r1, g1, b1, r2, g2, b2) {
+    return Math.pow(30 * (r1 - r2), 2)
+        + Math.pow(59 * (g1 - g2), 2)
+        + Math.pow(11 * (b1 - b2), 2);
+};
+function each(obj, iter, con) {
+    if (obj.forEach)
+        return obj.forEach(iter, con);
+    for (var i = 0; i < obj.length; i++) {
+        iter.call(con, obj[i], i, obj);
+    }
+}
+function wasMondifierKeyOnlyEvent(ev) {
+    return ev.keyCode === 16 ||
+        ev.keyCode === 17 ||
+        ev.keyCode === 18;
+}
+function keys(obj) {
+    if (Object.keys)
+        return Object.keys(obj);
+    var key, keys = [];
+    for (key in obj) {
+        if (Object.prototype.hasOwnProperty.call(obj, key)) {
+            keys.push(key);
+        }
+    }
+    return keys;
+}
+Terminal.translateBufferLineToString = BufferLine_1.translateBufferLineToString;
+Terminal.EventEmitter = EventEmitter_1.EventEmitter;
+Terminal.inherits = inherits;
+Terminal.on = on;
+Terminal.off = off;
+Terminal.cancel = cancel;
+module.exports = Terminal;
+
+
+
+},{"./BufferSet":2,"./CompositionHelper":4,"./EscapeSequences":5,"./EventEmitter":6,"./InputHandler":7,"./Linkifier":8,"./Parser":9,"./Renderer":10,"./SelectionManager":11,"./Viewport":13,"./handlers/Clipboard":14,"./utils/Browser":15,"./utils/BufferLine":16,"./utils/CharMeasure":17,"./utils/Mouse":21}]},{},[22])(22)
+});
+//# sourceMappingURL=xterm.js.map
diff --git a/apps/static/js/plugins/xterm/xterm.js.map b/apps/static/js/plugins/xterm/xterm.js.map
new file mode 100644
index 000000000..76134bb59
--- /dev/null
+++ b/apps/static/js/plugins/xterm/xterm.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"xterm.js","sources":["../src/xterm.js","../src/utils/Mouse.ts","../src/utils/Generic.ts","../src/utils/DomElementObjectPool.ts","../src/utils/CircularList.ts","../src/utils/CharMeasure.ts","../src/utils/BufferLine.ts","../src/utils/Browser.ts","../src/handlers/Clipboard.ts","../src/Viewport.ts","../src/SelectionModel.ts","../src/SelectionManager.ts","../src/Renderer.ts","../src/Parser.ts","../src/Linkifier.ts","../src/InputHandler.ts","../src/EventEmitter.ts","../src/EscapeSequences.ts","../src/CompositionHelper.ts","../src/Charsets.ts","../src/BufferSet.ts","../src/Buffer.ts","../node_modules/browserify/node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * xterm.js: xterm, in the browser\n * Originally forked from (with the author's permission):\n *   Fabrice Bellard's javascript vt100 for jslinux:\n *   http://bellard.org/jslinux/\n *   Copyright (c) 2011 Fabrice Bellard\n *   The original design remains. The terminal itself\n *   has been extended to include xterm CSI codes, among\n *   other features.\n * @license MIT\n */\n\nimport { BufferSet } from './BufferSet';\nimport { CompositionHelper } from './CompositionHelper';\nimport { EventEmitter } from './EventEmitter';\nimport { Viewport } from './Viewport';\nimport { rightClickHandler, moveTextAreaUnderMouseCursor, pasteHandler, copyHandler } from './handlers/Clipboard';\nimport { CircularList } from './utils/CircularList';\nimport { C0 } from './EscapeSequences';\nimport { InputHandler } from './InputHandler';\nimport { Parser } from './Parser';\nimport { Renderer } from './Renderer';\nimport { Linkifier } from './Linkifier';\nimport { SelectionManager } from './SelectionManager';\nimport { CharMeasure } from './utils/CharMeasure';\nimport * as Browser from './utils/Browser';\nimport * as Mouse from './utils/Mouse';\nimport { CHARSETS } from './Charsets';\nimport { getRawByteCoords } from './utils/Mouse';\nimport { translateBufferLineToString } from './utils/BufferLine';\n\n/**\n * Terminal Emulation References:\n *   http://vt100.net/\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n *   http://invisible-island.net/vttest/\n *   http://www.inwap.com/pdp10/ansicode.txt\n *   http://linux.die.net/man/4/console_codes\n *   http://linux.die.net/man/7/urxvt\n */\n\n// Let it work inside Node.js for automated testing purposes.\nvar document = (typeof window != 'undefined') ? window.document : null;\n\n/**\n * The amount of write requests to queue before sending an XOFF signal to the\n * pty process. This number must be small in order for ^C and similar sequences\n * to be responsive.\n */\nvar WRITE_BUFFER_PAUSE_THRESHOLD = 5;\n\n/**\n * The number of writes to perform in a single batch before allowing the\n * renderer to catch up with a 0ms setTimeout.\n */\nvar WRITE_BATCH_SIZE = 300;\n\n/**\n * The time between cursor blinks. This is driven by JS rather than a CSS\n * animation due to a bug in Chromium that causes it to use excessive CPU time.\n * See https://github.com/Microsoft/vscode/issues/22900\n */\nvar CURSOR_BLINK_INTERVAL = 600;\n\n/**\n * Terminal\n */\n\n/**\n * Creates a new `Terminal` object.\n *\n * @param {object} options An object containing a set of options, the available options are:\n *   - `cursorBlink` (boolean): Whether the terminal cursor blinks\n *   - `cols` (number): The number of columns of the terminal (horizontal size)\n *   - `rows` (number): The number of rows of the terminal (vertical size)\n *\n * @public\n * @class Xterm Xterm\n * @alias module:xterm/src/xterm\n */\nfunction Terminal(options) {\n  var self = this;\n\n  if (!(this instanceof Terminal)) {\n    return new Terminal(arguments[0], arguments[1], arguments[2]);\n  }\n\n  self.browser = Browser;\n  self.cancel = Terminal.cancel;\n\n  EventEmitter.call(this);\n\n  if (typeof options === 'number') {\n    options = {\n      cols: arguments[0],\n      rows: arguments[1],\n      handler: arguments[2]\n    };\n  }\n\n  options = options || {};\n\n\n  Object.keys(Terminal.defaults).forEach(function(key) {\n    if (options[key] == null) {\n      options[key] = Terminal.options[key];\n\n      if (Terminal[key] !== Terminal.defaults[key]) {\n        options[key] = Terminal[key];\n      }\n    }\n    self[key] = options[key];\n  });\n\n  if (options.colors.length === 8) {\n    options.colors = options.colors.concat(Terminal._colors.slice(8));\n  } else if (options.colors.length === 16) {\n    options.colors = options.colors.concat(Terminal._colors.slice(16));\n  } else if (options.colors.length === 10) {\n    options.colors = options.colors.slice(0, -2).concat(\n      Terminal._colors.slice(8, -2), options.colors.slice(-2));\n  } else if (options.colors.length === 18) {\n    options.colors = options.colors.concat(\n      Terminal._colors.slice(16, -2), options.colors.slice(-2));\n  }\n  this.colors = options.colors;\n\n  this.options = options;\n\n  // this.context = options.context || window;\n  // this.document = options.document || document;\n  this.parent = options.body || options.parent || (\n    document ? document.getElementsByTagName('body')[0] : null\n  );\n\n  this.cols = options.cols || options.geometry[0];\n  this.rows = options.rows || options.geometry[1];\n  this.geometry = [this.cols, this.rows];\n\n  if (options.handler) {\n    this.on('data', options.handler);\n  }\n\n  this.cursorState = 0;\n  this.cursorHidden = false;\n  this.convertEol;\n  this.queue = '';\n  this.customKeyEventHandler = null;\n  this.cursorBlinkInterval = null;\n\n  // modes\n  this.applicationKeypad = false;\n  this.applicationCursor = false;\n  this.originMode = false;\n  this.insertMode = false;\n  this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n\n  // charset\n  this.charset = null;\n  this.gcharset = null;\n  this.glevel = 0;\n  this.charsets = [null];\n\n  // mouse properties\n  this.decLocator;\n  this.x10Mouse;\n  this.vt200Mouse;\n  this.vt300Mouse;\n  this.normalMouse;\n  this.mouseEvents;\n  this.sendFocus;\n  this.utfMouse;\n  this.sgrMouse;\n  this.urxvtMouse;\n\n  // misc\n  this.element;\n  this.children;\n  this.refreshStart;\n  this.refreshEnd;\n  this.savedX;\n  this.savedY;\n  this.savedCols;\n\n  // stream\n  this.readable = true;\n  this.writable = true;\n\n  this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);\n  this.curAttr = this.defAttr;\n\n  this.params = [];\n  this.currentParam = 0;\n  this.prefix = '';\n  this.postfix = '';\n\n  this.inputHandler = new InputHandler(this);\n  this.parser = new Parser(this.inputHandler, this);\n  // Reuse renderer if the Terminal is being recreated via a Terminal.reset call.\n  this.renderer = this.renderer || null;\n  this.selectionManager = this.selectionManager || null;\n  this.linkifier = this.linkifier || new Linkifier();\n\n  // user input states\n  this.writeBuffer = [];\n  this.writeInProgress = false;\n\n  /**\n   * Whether _xterm.js_ sent XOFF in order to catch up with the pty process.\n   * This is a distinct state from writeStopped so that if the user requested\n   * XOFF via ^S that it will not automatically resume when the writeBuffer goes\n   * below threshold.\n   */\n  this.xoffSentToCatchUp = false;\n\n  /** Whether writing has been stopped as a result of XOFF */\n  this.writeStopped = false;\n\n  // leftover surrogate high from previous write invocation\n  this.surrogate_high = '';\n\n  // Create the terminal's buffers and set the current buffer\n  this.buffers = new BufferSet(this);\n  this.buffer = this.buffers.active;  // Convenience shortcut;\n  this.buffers.on('activate', function (buffer) {\n    this._terminal.buffer = buffer;\n  });\n\n  // Ensure the selection manager has the correct buffer\n  if (this.selectionManager) {\n    this.selectionManager.setBuffer(this.buffer.lines);\n  }\n\n  this.setupStops();\n\n  // Store if user went browsing history in scrollback\n  this.userScrolling = false;\n}\n\ninherits(Terminal, EventEmitter);\n\n/**\n * back_color_erase feature for xterm.\n */\nTerminal.prototype.eraseAttr = function() {\n  // if (this.is('screen')) return this.defAttr;\n  return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);\n};\n\n/**\n * Colors\n */\n\n// Colors 0-15\nTerminal.tangoColors = [\n  // dark:\n  '#2e3436',\n  '#cc0000',\n  '#4e9a06',\n  '#c4a000',\n  '#3465a4',\n  '#75507b',\n  '#06989a',\n  '#d3d7cf',\n  // bright:\n  '#555753',\n  '#ef2929',\n  '#8ae234',\n  '#fce94f',\n  '#729fcf',\n  '#ad7fa8',\n  '#34e2e2',\n  '#eeeeec'\n];\n\n// Colors 0-15 + 16-255\n// Much thanks to TooTallNate for writing this.\nTerminal.colors = (function() {\n  var colors = Terminal.tangoColors.slice()\n  , r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]\n  , i;\n\n  // 16-231\n  i = 0;\n  for (; i < 216; i++) {\n    out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);\n  }\n\n  // 232-255 (grey)\n  i = 0;\n  for (; i < 24; i++) {\n    r = 8 + i * 10;\n    out(r, r, r);\n  }\n\n  function out(r, g, b) {\n    colors.push('#' + hex(r) + hex(g) + hex(b));\n  }\n\n  function hex(c) {\n    c = c.toString(16);\n    return c.length < 2 ? '0' + c : c;\n  }\n\n  return colors;\n})();\n\nTerminal._colors = Terminal.colors.slice();\n\nTerminal.vcolors = (function() {\n  var out = []\n  , colors = Terminal.colors\n  , i = 0\n  , color;\n\n  for (; i < 256; i++) {\n    color = parseInt(colors[i].substring(1), 16);\n    out.push([\n      (color >> 16) & 0xff,\n      (color >> 8) & 0xff,\n      color & 0xff\n    ]);\n  }\n\n  return out;\n})();\n\n/**\n * Options\n */\n\nTerminal.defaults = {\n  colors: Terminal.colors,\n  theme: 'default',\n  convertEol: false,\n  termName: 'xterm',\n  geometry: [80, 24],\n  cursorBlink: false,\n  cursorStyle: 'block',\n  visualBell: false,\n  popOnBell: false,\n  scrollback: 1000,\n  screenKeys: false,\n  debug: false,\n  cancelEvents: false,\n  disableStdin: false,\n  useFlowControl: false,\n  tabStopWidth: 8\n  // programFeatures: false,\n  // focusKeys: false,\n};\n\nTerminal.options = {};\n\nTerminal.focus = null;\n\neach(keys(Terminal.defaults), function(key) {\n  Terminal[key] = Terminal.defaults[key];\n  Terminal.options[key] = Terminal.defaults[key];\n});\n\n/**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\nTerminal.prototype.focus = function() {\n  return this.textarea.focus();\n};\n\n/**\n * Retrieves an option's value from the terminal.\n * @param {string} key The option key.\n */\nTerminal.prototype.getOption = function(key) {\n  if (!(key in Terminal.defaults)) {\n    throw new Error('No option with key \"' + key + '\"');\n  }\n\n  if (typeof this.options[key] !== 'undefined') {\n    return this.options[key];\n  }\n\n  return this[key];\n};\n\n/**\n * Sets an option on the terminal.\n * @param {string} key The option key.\n * @param {string} value The option value.\n */\nTerminal.prototype.setOption = function(key, value) {\n  if (!(key in Terminal.defaults)) {\n    throw new Error('No option with key \"' + key + '\"');\n  }\n  switch (key) {\n    case 'scrollback':\n      if (value < this.rows) {\n        let msg = 'Setting the scrollback value less than the number of rows ';\n\n        msg += `(${this.rows}) is not allowed.`;\n\n        console.warn(msg);\n        return false;\n      }\n\n      if (this.options[key] !== value) {\n        if (this.buffer.lines.length > value) {\n          const amountToTrim = this.buffer.lines.length - value;\n          const needsRefresh = (this.buffer.ydisp - amountToTrim < 0);\n          this.buffer.lines.trimStart(amountToTrim);\n          this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);\n          this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);\n          if (needsRefresh) {\n            this.refresh(0, this.rows - 1);\n          }\n        }\n        this.buffer.lines.maxLength = value;\n        this.viewport.syncScrollArea();\n      }\n      break;\n  }\n  this[key] = value;\n  this.options[key] = value;\n  switch (key) {\n    case 'cursorBlink': this.setCursorBlinking(value); break;\n    case 'cursorStyle':\n      this.element.classList.toggle(`xterm-cursor-style-block`, value === 'block');\n      this.element.classList.toggle(`xterm-cursor-style-underline`, value === 'underline');\n      this.element.classList.toggle(`xterm-cursor-style-bar`, value === 'bar');\n      break;\n    case 'tabStopWidth': this.setupStops(); break;\n  }\n};\n\nTerminal.prototype.restartCursorBlinking = function () {\n  this.setCursorBlinking(this.options.cursorBlink);\n};\n\nTerminal.prototype.setCursorBlinking = function (enabled) {\n  this.element.classList.toggle('xterm-cursor-blink', enabled);\n  this.clearCursorBlinkingInterval();\n  if (enabled) {\n    var self = this;\n    this.cursorBlinkInterval = setInterval(function () {\n      self.element.classList.toggle('xterm-cursor-blink-on');\n    }, CURSOR_BLINK_INTERVAL);\n  }\n};\n\nTerminal.prototype.clearCursorBlinkingInterval = function () {\n  this.element.classList.remove('xterm-cursor-blink-on');\n  if (this.cursorBlinkInterval) {\n    clearInterval(this.cursorBlinkInterval);\n    this.cursorBlinkInterval = null;\n  }\n};\n\n/**\n * Binds the desired focus behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindFocus = function (term) {\n  on(term.textarea, 'focus', function (ev) {\n    if (term.sendFocus) {\n      term.send(C0.ESC + '[I');\n    }\n    term.element.classList.add('focus');\n    term.showCursor();\n    term.restartCursorBlinking.apply(term);\n    Terminal.focus = term;\n    term.emit('focus', {terminal: term});\n  });\n};\n\n/**\n * Blur the terminal. Delegates blur handling to the terminal's DOM element.\n */\nTerminal.prototype.blur = function() {\n  return this.textarea.blur();\n};\n\n/**\n * Binds the desired blur behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindBlur = function (term) {\n  on(term.textarea, 'blur', function (ev) {\n    term.refresh(term.buffer.y, term.buffer.y);\n    if (term.sendFocus) {\n      term.send(C0.ESC + '[O');\n    }\n    term.element.classList.remove('focus');\n    term.clearCursorBlinkingInterval.apply(term);\n    Terminal.focus = null;\n    term.emit('blur', {terminal: term});\n  });\n};\n\n/**\n * Initialize default behavior\n */\nTerminal.prototype.initGlobal = function() {\n  var term = this;\n\n  Terminal.bindKeys(this);\n  Terminal.bindFocus(this);\n  Terminal.bindBlur(this);\n\n  // Bind clipboard functionality\n  on(this.element, 'copy', event => {\n    // If mouse events are active it means the selection manager is disabled and\n    // copy should be handled by the host program.\n    if (!term.hasSelection()) {\n      return;\n    }\n    copyHandler(event, term, this.selectionManager);\n  });\n  const pasteHandlerWrapper = event => pasteHandler(event, term);\n  on(this.textarea, 'paste', pasteHandlerWrapper);\n  on(this.element, 'paste', pasteHandlerWrapper);\n\n  // Handle right click context menus\n  if (term.browser.isFirefox) {\n    // Firefox doesn't appear to fire the contextmenu event on right click\n    on(this.element, 'mousedown', event => {\n      if (event.button == 2) {\n        rightClickHandler(event, this.textarea, this.selectionManager);\n      }\n    });\n  } else {\n    on(this.element, 'contextmenu', event => {\n      rightClickHandler(event, this.textarea, this.selectionManager);\n    });\n  }\n\n  // Move the textarea under the cursor when middle clicking on Linux to ensure\n  // middle click to paste selection works. This only appears to work in Chrome\n  // at the time is writing.\n  if (term.browser.isLinux) {\n    // Use auxclick event over mousedown the latter doesn't seem to work. Note\n    // that the regular click event doesn't fire for the middle mouse button.\n    on(this.element, 'auxclick', event => {\n      if (event.button === 1) {\n        moveTextAreaUnderMouseCursor(event, this.textarea, this.selectionManager);\n      }\n    });\n  }\n};\n\n/**\n * Apply key handling to the terminal\n */\nTerminal.bindKeys = function(term) {\n  on(term.element, 'keydown', function(ev) {\n    if (document.activeElement != this) {\n      return;\n    }\n    term.keyDown(ev);\n  }, true);\n\n  on(term.element, 'keypress', function(ev) {\n    if (document.activeElement != this) {\n      return;\n    }\n    term.keyPress(ev);\n  }, true);\n\n  on(term.element, 'keyup', function(ev) {\n    if (!wasMondifierKeyOnlyEvent(ev)) {\n      term.focus(term);\n    }\n  }, true);\n\n  on(term.textarea, 'keydown', function(ev) {\n    term.keyDown(ev);\n  }, true);\n\n  on(term.textarea, 'keypress', function(ev) {\n    term.keyPress(ev);\n    // Truncate the textarea's value, since it is not needed\n    this.value = '';\n  }, true);\n\n  on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));\n  on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));\n  on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));\n  term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));\n  term.on('refresh', function (data) {\n    term.queueLinkification(data.start, data.end)\n  });\n};\n\n\n/**\n * Insert the given row to the terminal or produce a new one\n * if no row argument is passed. Return the inserted row.\n * @param {HTMLElement} row (optional) The row to append to the terminal.\n */\nTerminal.prototype.insertRow = function (row) {\n  if (typeof row != 'object') {\n    row = document.createElement('div');\n  }\n\n  this.rowContainer.appendChild(row);\n  this.children.push(row);\n\n  return row;\n};\n\n/**\n * Opens the terminal within an element.\n *\n * @param {HTMLElement} parent The element to create the terminal within.\n * @param {boolean} focus Focus the terminal, after it gets instantiated in the DOM\n */\nTerminal.prototype.open = function(parent, focus) {\n  var self=this, i=0, div;\n\n  this.parent = parent || this.parent;\n\n  if (!this.parent) {\n    throw new Error('Terminal requires a parent element.');\n  }\n\n  // Grab global elements\n  this.context = this.parent.ownerDocument.defaultView;\n  this.document = this.parent.ownerDocument;\n  this.body = this.document.getElementsByTagName('body')[0];\n\n  //Create main element container\n  this.element = this.document.createElement('div');\n  this.element.classList.add('terminal');\n  this.element.classList.add('xterm');\n  this.element.classList.add('xterm-theme-' + this.theme);\n  this.element.classList.add(`xterm-cursor-style-${this.options.cursorStyle}`);\n  this.setCursorBlinking(this.options.cursorBlink);\n\n  this.element.setAttribute('tabindex', 0);\n\n  this.viewportElement = document.createElement('div');\n  this.viewportElement.classList.add('xterm-viewport');\n  this.element.appendChild(this.viewportElement);\n  this.viewportScrollArea = document.createElement('div');\n  this.viewportScrollArea.classList.add('xterm-scroll-area');\n  this.viewportElement.appendChild(this.viewportScrollArea);\n\n  // Create the selection container.\n  this.selectionContainer = document.createElement('div');\n  this.selectionContainer.classList.add('xterm-selection');\n  this.element.appendChild(this.selectionContainer);\n\n  // Create the container that will hold the lines of the terminal and then\n  // produce the lines the lines.\n  this.rowContainer = document.createElement('div');\n  this.rowContainer.classList.add('xterm-rows');\n  this.element.appendChild(this.rowContainer);\n  this.children = [];\n  this.linkifier.attachToDom(document, this.children);\n\n  // Create the container that will hold helpers like the textarea for\n  // capturing DOM Events. Then produce the helpers.\n  this.helperContainer = document.createElement('div');\n  this.helperContainer.classList.add('xterm-helpers');\n  // TODO: This should probably be inserted once it's filled to prevent an additional layout\n  this.element.appendChild(this.helperContainer);\n  this.textarea = document.createElement('textarea');\n  this.textarea.classList.add('xterm-helper-textarea');\n  this.textarea.setAttribute('autocorrect', 'off');\n  this.textarea.setAttribute('autocapitalize', 'off');\n  this.textarea.setAttribute('spellcheck', 'false');\n  this.textarea.tabIndex = 0;\n  this.textarea.addEventListener('focus', function() {\n    self.emit('focus', {terminal: self});\n  });\n  this.textarea.addEventListener('blur', function() {\n    self.emit('blur', {terminal: self});\n  });\n  this.helperContainer.appendChild(this.textarea);\n\n  this.compositionView = document.createElement('div');\n  this.compositionView.classList.add('composition-view');\n  this.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);\n  this.helperContainer.appendChild(this.compositionView);\n\n  this.charSizeStyleElement = document.createElement('style');\n  this.helperContainer.appendChild(this.charSizeStyleElement);\n\n  for (; i < this.rows; i++) {\n    this.insertRow();\n  }\n  this.parent.appendChild(this.element);\n\n  this.charMeasure = new CharMeasure(document, this.helperContainer);\n  this.charMeasure.on('charsizechanged', function () {\n    self.updateCharSizeStyles();\n  });\n  this.charMeasure.measure();\n\n  this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);\n  this.renderer = new Renderer(this);\n  this.selectionManager = new SelectionManager(\n    this, this.buffer.lines, this.rowContainer, this.charMeasure\n  );\n  this.selectionManager.on('refresh', data => {\n    this.renderer.refreshSelection(data.start, data.end);\n  });\n  this.selectionManager.on('newselection', text => {\n    // If there's a new selection, put it into the textarea, focus and select it\n    // in order to register it as a selection on the OS. This event is fired\n    // only on Linux to enable middle click to paste selection.\n    this.textarea.value = text;\n    this.textarea.focus();\n    this.textarea.select();\n  });\n  this.on('scroll', () => this.selectionManager.refresh());\n  this.viewportElement.addEventListener('scroll', () => this.selectionManager.refresh());\n\n  // Setup loop that draws to screen\n  this.refresh(0, this.rows - 1);\n\n  // Initialize global actions that\n  // need to be taken on the document.\n  this.initGlobal();\n\n  /**\n   * Automatic focus functionality.\n   * TODO: Default to `false` starting with xterm.js 3.0.\n   */\n  if (typeof focus == 'undefined') {\n    let message = 'You did not pass the `focus` argument in `Terminal.prototype.open()`.\\n';\n\n    message += 'The `focus` argument now defaults to `true` but starting with xterm.js 3.0 ';\n    message += 'it will default to `false`.';\n\n    console.warn(message);\n    focus = true;\n  }\n\n  if (focus) {\n    this.focus();\n  }\n\n  // Listen for mouse events and translate\n  // them into terminal mouse protocols.\n  this.bindMouse();\n\n  /**\n   * This event is emitted when terminal has completed opening.\n   *\n   * @event open\n   */\n  this.emit('open');\n};\n\n\n/**\n * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).\n * @param {string} addon The name of the addon to load\n * @static\n */\nTerminal.loadAddon = function(addon, callback) {\n  if (typeof exports === 'object' && typeof module === 'object') {\n    // CommonJS\n    return require('./addons/' + addon + '/' + addon);\n  } else if (typeof define == 'function') {\n    // RequireJS\n    return require(['./addons/' + addon + '/' + addon], callback);\n  } else {\n    console.error('Cannot load a module without a CommonJS or RequireJS environment.');\n    return false;\n  }\n};\n\n/**\n * Updates the helper CSS class with any changes necessary after the terminal's\n * character width has been changed.\n */\nTerminal.prototype.updateCharSizeStyles = function() {\n  this.charSizeStyleElement.textContent =\n      `.xterm-wide-char{width:${this.charMeasure.width * 2}px;}` +\n      `.xterm-normal-char{width:${this.charMeasure.width}px;}` +\n      `.xterm-rows > div{height:${this.charMeasure.height}px;}`;\n}\n\n/**\n * XTerm mouse events\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n * To better understand these\n * the xterm code is very helpful:\n * Relevant files:\n *   button.c, charproc.c, misc.c\n * Relevant functions in xterm/button.c:\n *   BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n */\nTerminal.prototype.bindMouse = function() {\n  var el = this.element, self = this, pressed = 32;\n\n  // mouseup, mousedown, wheel\n  // left click: ^[[M 3<^[[M#3<\n  // wheel up: ^[[M`3>\n  function sendButton(ev) {\n    var button\n    , pos;\n\n    // get the xterm-style button\n    button = getButton(ev);\n\n    // get mouse coordinates\n    pos = getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n    if (!pos) return;\n\n    sendEvent(button, pos);\n\n    switch (ev.overrideType || ev.type) {\n      case 'mousedown':\n        pressed = button;\n        break;\n      case 'mouseup':\n        // keep it at the left\n        // button, just in case.\n        pressed = 32;\n        break;\n      case 'wheel':\n        // nothing. don't\n        // interfere with\n        // `pressed`.\n        break;\n    }\n  }\n\n  // motion example of a left click:\n  // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<\n  function sendMove(ev) {\n    var button = pressed\n    , pos;\n\n    pos = getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n    if (!pos) return;\n\n    // buttons marked as motions\n    // are incremented by 32\n    button += 32;\n\n    sendEvent(button, pos);\n  }\n\n  // encode button and\n  // position to characters\n  function encode(data, ch) {\n    if (!self.utfMouse) {\n      if (ch === 255) return data.push(0);\n      if (ch > 127) ch = 127;\n      data.push(ch);\n    } else {\n      if (ch === 2047) return data.push(0);\n      if (ch < 127) {\n        data.push(ch);\n      } else {\n        if (ch > 2047) ch = 2047;\n        data.push(0xC0 | (ch >> 6));\n        data.push(0x80 | (ch & 0x3F));\n      }\n    }\n  }\n\n  // send a mouse event:\n  // regular/utf8: ^[[M Cb Cx Cy\n  // urxvt: ^[[ Cb ; Cx ; Cy M\n  // sgr: ^[[ Cb ; Cx ; Cy M/m\n  // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n  // locator: CSI P e ; P b ; P r ; P c ; P p & w\n  function sendEvent(button, pos) {\n    // self.emit('mouse', {\n    //   x: pos.x - 32,\n    //   y: pos.x - 32,\n    //   button: button\n    // });\n\n    if (self.vt300Mouse) {\n      // NOTE: Unstable.\n      // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n      button &= 3;\n      pos.x -= 32;\n      pos.y -= 32;\n      var data = C0.ESC + '[24';\n      if (button === 0) data += '1';\n      else if (button === 1) data += '3';\n      else if (button === 2) data += '5';\n      else if (button === 3) return;\n      else data += '0';\n      data += '~[' + pos.x + ',' + pos.y + ']\\r';\n      self.send(data);\n      return;\n    }\n\n    if (self.decLocator) {\n      // NOTE: Unstable.\n      button &= 3;\n      pos.x -= 32;\n      pos.y -= 32;\n      if (button === 0) button = 2;\n      else if (button === 1) button = 4;\n      else if (button === 2) button = 6;\n      else if (button === 3) button = 3;\n      self.send(C0.ESC + '['\n                + button\n                + ';'\n                + (button === 3 ? 4 : 0)\n                + ';'\n                + pos.y\n                + ';'\n                + pos.x\n                + ';'\n                + (pos.page || 0)\n                + '&w');\n      return;\n    }\n\n    if (self.urxvtMouse) {\n      pos.x -= 32;\n      pos.y -= 32;\n      pos.x++;\n      pos.y++;\n      self.send(C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');\n      return;\n    }\n\n    if (self.sgrMouse) {\n      pos.x -= 32;\n      pos.y -= 32;\n      self.send(C0.ESC + '[<'\n                + (((button & 3) === 3 ? button & ~3 : button) - 32)\n                + ';'\n                + pos.x\n                + ';'\n                + pos.y\n                + ((button & 3) === 3 ? 'm' : 'M'));\n      return;\n    }\n\n    var data = [];\n\n    encode(data, button);\n    encode(data, pos.x);\n    encode(data, pos.y);\n\n    self.send(C0.ESC + '[M' + String.fromCharCode.apply(String, data));\n  }\n\n  function getButton(ev) {\n    var button\n    , shift\n    , meta\n    , ctrl\n    , mod;\n\n    // two low bits:\n    // 0 = left\n    // 1 = middle\n    // 2 = right\n    // 3 = release\n    // wheel up/down:\n    // 1, and 2 - with 64 added\n    switch (ev.overrideType || ev.type) {\n      case 'mousedown':\n        button = ev.button != null\n          ? +ev.button\n        : ev.which != null\n          ? ev.which - 1\n        : null;\n\n        if (self.browser.isMSIE) {\n          button = button === 1 ? 0 : button === 4 ? 1 : button;\n        }\n        break;\n      case 'mouseup':\n        button = 3;\n        break;\n      case 'DOMMouseScroll':\n        button = ev.detail < 0\n          ? 64\n        : 65;\n        break;\n      case 'wheel':\n        button = ev.wheelDeltaY > 0\n          ? 64\n        : 65;\n        break;\n    }\n\n    // next three bits are the modifiers:\n    // 4 = shift, 8 = meta, 16 = control\n    shift = ev.shiftKey ? 4 : 0;\n    meta = ev.metaKey ? 8 : 0;\n    ctrl = ev.ctrlKey ? 16 : 0;\n    mod = shift | meta | ctrl;\n\n    // no mods\n    if (self.vt200Mouse) {\n      // ctrl only\n      mod &= ctrl;\n    } else if (!self.normalMouse) {\n      mod = 0;\n    }\n\n    // increment to SP\n    button = (32 + (mod << 2)) + button;\n\n    return button;\n  }\n\n  on(el, 'mousedown', function(ev) {\n\n    // Prevent the focus on the textarea from getting lost\n    // and make sure we get focused on mousedown\n    ev.preventDefault();\n    self.focus();\n\n    if (!self.mouseEvents) return;\n\n    // send the button\n    sendButton(ev);\n\n    // fix for odd bug\n    //if (self.vt200Mouse && !self.normalMouse) {\n    if (self.vt200Mouse) {\n      ev.overrideType = 'mouseup';\n      sendButton(ev);\n      return self.cancel(ev);\n    }\n\n    // bind events\n    if (self.normalMouse) on(self.document, 'mousemove', sendMove);\n\n    // x10 compatibility mode can't send button releases\n    if (!self.x10Mouse) {\n      on(self.document, 'mouseup', function up(ev) {\n        sendButton(ev);\n        if (self.normalMouse) off(self.document, 'mousemove', sendMove);\n        off(self.document, 'mouseup', up);\n        return self.cancel(ev);\n      });\n    }\n\n    return self.cancel(ev);\n  });\n\n  //if (self.normalMouse) {\n  //  on(self.document, 'mousemove', sendMove);\n  //}\n\n  on(el, 'wheel', function(ev) {\n    if (!self.mouseEvents) return;\n    if (self.x10Mouse\n        || self.vt300Mouse\n        || self.decLocator) return;\n    sendButton(ev);\n    return self.cancel(ev);\n  });\n\n  // allow wheel scrolling in\n  // the shell for example\n  on(el, 'wheel', function(ev) {\n    if (self.mouseEvents) return;\n    self.viewport.onWheel(ev);\n    return self.cancel(ev);\n  });\n\n  on(el, 'touchstart', function(ev) {\n    if (self.mouseEvents) return;\n    self.viewport.onTouchStart(ev);\n    return self.cancel(ev);\n  });\n\n  on(el, 'touchmove', function(ev) {\n    if (self.mouseEvents) return;\n    self.viewport.onTouchMove(ev);\n    return self.cancel(ev);\n  });\n};\n\n/**\n * Destroys the terminal.\n */\nTerminal.prototype.destroy = function() {\n  this.readable = false;\n  this.writable = false;\n  this._events = {};\n  this.handler = function() {};\n  this.write = function() {};\n  if (this.element && this.element.parentNode) {\n    this.element.parentNode.removeChild(this.element);\n  }\n  //this.emit('close');\n};\n\n/**\n * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n * opportunity.\n * @param {number} start The row to start from (between 0 and this.rows - 1).\n * @param {number} end The row to end at (between start and this.rows - 1).\n */\nTerminal.prototype.refresh = function(start, end) {\n  if (this.renderer) {\n    this.renderer.queueRefresh(start, end);\n  }\n};\n\n/**\n * Queues linkification for the specified rows.\n * @param {number} start The row to start from (between 0 and this.rows - 1).\n * @param {number} end The row to end at (between start and this.rows - 1).\n */\nTerminal.prototype.queueLinkification = function(start, end) {\n  if (this.linkifier) {\n    for (let i = start; i <= end; i++) {\n      this.linkifier.linkifyRow(i);\n    }\n  }\n};\n\n/**\n * Display the cursor element\n */\nTerminal.prototype.showCursor = function() {\n  if (!this.cursorState) {\n    this.cursorState = 1;\n    this.refresh(this.buffer.y, this.buffer.y);\n  }\n};\n\n/**\n * Scroll the terminal down 1 row, creating a blank line.\n * @param {boolean} isWrapped Whether the new line is wrapped from the previous\n * line.\n */\nTerminal.prototype.scroll = function(isWrapped) {\n  var row;\n\n  // Make room for the new row in lines\n  if (this.buffer.lines.length === this.buffer.lines.maxLength) {\n    this.buffer.lines.trimStart(1);\n    this.buffer.ybase--;\n    if (this.buffer.ydisp !== 0) {\n      this.buffer.ydisp--;\n    }\n  }\n\n  this.buffer.ybase++;\n\n  // TODO: Why is this done twice?\n  if (!this.userScrolling) {\n    this.buffer.ydisp = this.buffer.ybase;\n  }\n\n  // last line\n  row = this.buffer.ybase + this.rows - 1;\n\n  // subtract the bottom scroll region\n  row -= this.rows - 1 - this.buffer.scrollBottom;\n\n  if (row === this.buffer.lines.length) {\n    // Optimization: pushing is faster than splicing when they amount to the same behavior\n    this.buffer.lines.push(this.blankLine(undefined, isWrapped));\n  } else {\n    // add our new line\n    this.buffer.lines.splice(row, 0, this.blankLine(undefined, isWrapped));\n  }\n\n  if (this.buffer.scrollTop !== 0) {\n    if (this.buffer.ybase !== 0) {\n      this.buffer.ybase--;\n      if (!this.userScrolling) {\n        this.buffer.ydisp = this.buffer.ybase;\n      }\n    }\n    this.buffer.lines.splice(this.buffer.ybase + this.buffer.scrollTop, 1);\n  }\n\n  // this.maxRange();\n  this.updateRange(this.buffer.scrollTop);\n  this.updateRange(this.buffer.scrollBottom);\n\n  /**\n   * This event is emitted whenever the terminal is scrolled.\n   * The one parameter passed is the new y display position.\n   *\n   * @event scroll\n   */\n  this.emit('scroll', this.buffer.ydisp);\n};\n\n/**\n * Scroll the display of the terminal\n * @param {number} disp The number of lines to scroll down (negatives scroll up).\n * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used\n * to avoid unwanted events being handled by the veiwport when the event was triggered from the\n * viewport originally.\n */\nTerminal.prototype.scrollDisp = function(disp, suppressScrollEvent) {\n  if (disp < 0) {\n    if (this.buffer.ydisp === 0) {\n      return;\n    }\n    this.userScrolling = true;\n  } else if (disp + this.buffer.ydisp >= this.buffer.ybase) {\n    this.userScrolling = false;\n  }\n\n  const oldYdisp = this.buffer.ydisp;\n  this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);\n\n  // No change occurred, don't trigger scroll/refresh\n  if (oldYdisp === this.buffer.ydisp) {\n    return;\n  }\n\n  if (!suppressScrollEvent) {\n    this.emit('scroll', this.buffer.ydisp);\n  }\n\n  this.refresh(0, this.rows - 1);\n};\n\n/**\n * Scroll the display of the terminal by a number of pages.\n * @param {number} pageCount The number of pages to scroll (negative scrolls up).\n */\nTerminal.prototype.scrollPages = function(pageCount) {\n  this.scrollDisp(pageCount * (this.rows - 1));\n};\n\n/**\n * Scrolls the display of the terminal to the top.\n */\nTerminal.prototype.scrollToTop = function() {\n  this.scrollDisp(-this.buffer.ydisp);\n};\n\n/**\n * Scrolls the display of the terminal to the bottom.\n */\nTerminal.prototype.scrollToBottom = function() {\n  this.scrollDisp(this.buffer.ybase - this.buffer.ydisp);\n};\n\n/**\n * Writes text to the terminal.\n * @param {string} data The text to write to the terminal.\n */\nTerminal.prototype.write = function(data) {\n  this.writeBuffer.push(data);\n\n  // Send XOFF to pause the pty process if the write buffer becomes too large so\n  // xterm.js can catch up before more data is sent. This is necessary in order\n  // to keep signals such as ^C responsive.\n  if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {\n    // XOFF - stop pty pipe\n    // XON will be triggered by emulator before processing data chunk\n    this.send(C0.DC3);\n    this.xoffSentToCatchUp = true;\n  }\n\n  if (!this.writeInProgress && this.writeBuffer.length > 0) {\n    // Kick off a write which will write all data in sequence recursively\n    this.writeInProgress = true;\n    // Kick off an async innerWrite so more writes can come in while processing data\n    var self = this;\n    setTimeout(function () {\n      self.innerWrite();\n    });\n  }\n};\n\nTerminal.prototype.innerWrite = function() {\n  var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);\n  while (writeBatch.length > 0) {\n    var data = writeBatch.shift();\n    var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;\n\n    // If XOFF was sent in order to catch up with the pty process, resume it if\n    // the writeBuffer is empty to allow more data to come in.\n    if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {\n      this.send(C0.DC1);\n      this.xoffSentToCatchUp = false;\n    }\n\n    this.refreshStart = this.buffer.y;\n    this.refreshEnd = this.buffer.y;\n\n    // HACK: Set the parser state based on it's state at the time of return.\n    // This works around the bug #662 which saw the parser state reset in the\n    // middle of parsing escape sequence in two chunks. For some reason the\n    // state of the parser resets to 0 after exiting parser.parse. This change\n    // just sets the state back based on the correct return statement.\n    var state = this.parser.parse(data);\n    this.parser.setState(state);\n\n    this.updateRange(this.buffer.y);\n    this.refresh(this.refreshStart, this.refreshEnd);\n  }\n  if (this.writeBuffer.length > 0) {\n    // Allow renderer to catch up before processing the next batch\n    var self = this;\n    setTimeout(function () {\n      self.innerWrite();\n    }, 0);\n  } else {\n    this.writeInProgress = false;\n  }\n};\n\n/**\n * Writes text to the terminal, followed by a break line character (\\n).\n * @param {string} data The text to write to the terminal.\n */\nTerminal.prototype.writeln = function(data) {\n  this.write(data + '\\r\\n');\n};\n\n/**\n * DEPRECATED: only for backward compatibility. Please use attachCustomKeyEventHandler() instead.\n * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a\n *   function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n *   the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {\n  let message = 'attachCustomKeydownHandler() is DEPRECATED and will be removed soon. Please use attachCustomKeyEventHandler() instead.';\n  console.warn(message);\n  this.attachCustomKeyEventHandler(customKeydownHandler);\n};\n\n/**\n * Attaches a custom key event handler which is run before keys are processed, giving consumers of\n * xterm.js ultimate control as to what keys should be processed by the terminal and what keys\n * should not.\n * @param {function} customKeyEventHandler The custom KeyboardEvent handler to attach. This is a\n *   function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n *   the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeyEventHandler = function(customKeyEventHandler) {\n  this.customKeyEventHandler = customKeyEventHandler;\n};\n\n/**\n * Attaches a http(s) link handler, forcing web links to behave differently to\n * regular <a> tags. This will trigger a refresh as links potentially need to be\n * reconstructed. Calling this with null will remove the handler.\n * @param {LinkMatcherHandler} handler The handler callback function.\n */\nTerminal.prototype.setHypertextLinkHandler = function(handler) {\n  if (!this.linkifier) {\n    throw new Error('Cannot attach a hypertext link handler before Terminal.open is called');\n  }\n  this.linkifier.setHypertextLinkHandler(handler);\n  // Refresh to force links to refresh\n  this.refresh(0, this.rows - 1);\n};\n\n/**\n * Attaches a validation callback for hypertext links. This is useful to use\n * validation logic or to do something with the link's element and url.\n * @param {LinkMatcherValidationCallback} callback The callback to use, this can\n * be cleared with null.\n */\nTerminal.prototype.setHypertextValidationCallback = function(callback) {\n  if (!this.linkifier) {\n    throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called');\n  }\n  this.linkifier.setHypertextValidationCallback(callback);\n  // Refresh to force links to refresh\n  this.refresh(0, this.rows - 1);\n};\n\n/**\n   * Registers a link matcher, allowing custom link patterns to be matched and\n   * handled.\n   * @param {RegExp} regex The regular expression to search for, specifically\n   * this searches the textContent of the rows. You will want to use \\s to match\n   * a space ' ' character for example.\n   * @param {LinkMatcherHandler} handler The callback when the link is called.\n   * @param {LinkMatcherOptions} [options] Options for the link matcher.\n   * @return {number} The ID of the new matcher, this can be used to deregister.\n */\nTerminal.prototype.registerLinkMatcher = function(regex, handler, options) {\n  if (this.linkifier) {\n    var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);\n    this.refresh(0, this.rows - 1);\n    return matcherId;\n  }\n};\n\n/**\n * Deregisters a link matcher if it has been registered.\n * @param {number} matcherId The link matcher's ID (returned after register)\n */\nTerminal.prototype.deregisterLinkMatcher = function(matcherId) {\n  if (this.linkifier) {\n    if (this.linkifier.deregisterLinkMatcher(matcherId)) {\n      this.refresh(0, this.rows - 1);\n    }\n  }\n};\n\n/**\n * Gets whether the terminal has an active selection.\n */\nTerminal.prototype.hasSelection = function() {\n  return this.selectionManager ? this.selectionManager.hasSelection : false;\n};\n\n/**\n * Gets the terminal's current selection, this is useful for implementing copy\n * behavior outside of xterm.js.\n */\nTerminal.prototype.getSelection = function() {\n  return this.selectionManager ? this.selectionManager.selectionText : '';\n};\n\n/**\n * Clears the current terminal selection.\n */\nTerminal.prototype.clearSelection = function() {\n  if (this.selectionManager) {\n    this.selectionManager.clearSelection();\n  }\n};\n\n/**\n * Selects all text within the terminal.\n */\nTerminal.prototype.selectAll = function() {\n  if (this.selectionManager) {\n    this.selectionManager.selectAll();\n  }\n};\n\n/**\n * Handle a keydown event\n * Key Resources:\n *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keydown event to be handled.\n */\nTerminal.prototype.keyDown = function(ev) {\n  if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n    return false;\n  }\n\n  this.restartCursorBlinking();\n\n  if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {\n    if (this.buffer.ybase !== this.buffer.ydisp) {\n      this.scrollToBottom();\n    }\n    return false;\n  }\n\n  var self = this;\n  var result = this.evaluateKeyEscapeSequence(ev);\n\n  if (result.key === C0.DC3) { // XOFF\n    this.writeStopped = true;\n  } else if (result.key === C0.DC1) { // XON\n    this.writeStopped = false;\n  }\n\n  if (result.scrollDisp) {\n    this.scrollDisp(result.scrollDisp);\n    return this.cancel(ev, true);\n  }\n\n  if (isThirdLevelShift(this, ev)) {\n    return true;\n  }\n\n  if (result.cancel) {\n    // The event is canceled at the end already, is this necessary?\n    this.cancel(ev, true);\n  }\n\n  if (!result.key) {\n    return true;\n  }\n\n  this.emit('keydown', ev);\n  this.emit('key', result.key, ev);\n  this.showCursor();\n  this.handler(result.key);\n\n  return this.cancel(ev, true);\n};\n\n/**\n * Returns an object that determines how a KeyboardEvent should be handled. The key of the\n * returned value is the new key code to pass to the PTY.\n *\n * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.\n */\nTerminal.prototype.evaluateKeyEscapeSequence = function(ev) {\n  var result = {\n    // Whether to cancel event propogation (NOTE: this may not be needed since the event is\n    // canceled at the end of keyDown\n    cancel: false,\n    // The new key even to emit\n    key: undefined,\n    // The number of characters to scroll, if this is defined it will cancel the event\n    scrollDisp: undefined\n  };\n  var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;\n  switch (ev.keyCode) {\n    case 8:\n      // backspace\n      if (ev.shiftKey) {\n        result.key = C0.BS; // ^H\n        break;\n      }\n      result.key = C0.DEL; // ^?\n      break;\n    case 9:\n      // tab\n      if (ev.shiftKey) {\n        result.key = C0.ESC + '[Z';\n        break;\n      }\n      result.key = C0.HT;\n      result.cancel = true;\n      break;\n    case 13:\n      // return/enter\n      result.key = C0.CR;\n      result.cancel = true;\n      break;\n    case 27:\n      // escape\n      result.key = C0.ESC;\n      result.cancel = true;\n      break;\n    case 37:\n      // left-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n        // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key == C0.ESC + '[1;3D') {\n          result.key = (this.browser.isMac) ? C0.ESC + 'b' : C0.ESC + '[1;5D';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OD';\n      } else {\n        result.key = C0.ESC + '[D';\n      }\n      break;\n    case 39:\n      // right-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n        // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key == C0.ESC + '[1;3C') {\n          result.key = (this.browser.isMac) ? C0.ESC + 'f' : C0.ESC + '[1;5C';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OC';\n      } else {\n        result.key = C0.ESC + '[C';\n      }\n      break;\n    case 38:\n      // up-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n        // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n        // http://unix.stackexchange.com/a/108106\n        if (result.key == C0.ESC + '[1;3A') {\n          result.key = C0.ESC + '[1;5A';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OA';\n      } else {\n        result.key = C0.ESC + '[A';\n      }\n      break;\n    case 40:\n      // down-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n        // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n        // http://unix.stackexchange.com/a/108106\n        if (result.key == C0.ESC + '[1;3B') {\n          result.key = C0.ESC + '[1;5B';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OB';\n      } else {\n        result.key = C0.ESC + '[B';\n      }\n      break;\n    case 45:\n      // insert\n      if (!ev.shiftKey && !ev.ctrlKey) {\n        // <Ctrl> or <Shift> + <Insert> are used to\n        // copy-paste on some systems.\n        result.key = C0.ESC + '[2~';\n      }\n      break;\n    case 46:\n      // delete\n      if (modifiers) {\n        result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[3~';\n      }\n      break;\n    case 36:\n      // home\n      if (modifiers)\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n      else if (this.applicationCursor)\n        result.key = C0.ESC + 'OH';\n      else\n        result.key = C0.ESC + '[H';\n      break;\n    case 35:\n      // end\n      if (modifiers)\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n      else if (this.applicationCursor)\n        result.key = C0.ESC + 'OF';\n      else\n        result.key = C0.ESC + '[F';\n      break;\n    case 33:\n      // page up\n      if (ev.shiftKey) {\n        result.scrollDisp = -(this.rows - 1);\n      } else {\n        result.key = C0.ESC + '[5~';\n      }\n      break;\n    case 34:\n      // page down\n      if (ev.shiftKey) {\n        result.scrollDisp = this.rows - 1;\n      } else {\n        result.key = C0.ESC + '[6~';\n      }\n      break;\n    case 112:\n      // F1-F12\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n      } else {\n        result.key = C0.ESC + 'OP';\n      }\n      break;\n    case 113:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n      } else {\n        result.key = C0.ESC + 'OQ';\n      }\n      break;\n    case 114:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n      } else {\n        result.key = C0.ESC + 'OR';\n      }\n      break;\n    case 115:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n      } else {\n        result.key = C0.ESC + 'OS';\n      }\n      break;\n    case 116:\n      if (modifiers) {\n        result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[15~';\n      }\n      break;\n    case 117:\n      if (modifiers) {\n        result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[17~';\n      }\n      break;\n    case 118:\n      if (modifiers) {\n        result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[18~';\n      }\n      break;\n    case 119:\n      if (modifiers) {\n        result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[19~';\n      }\n      break;\n    case 120:\n      if (modifiers) {\n        result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[20~';\n      }\n      break;\n    case 121:\n      if (modifiers) {\n        result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[21~';\n      }\n      break;\n    case 122:\n      if (modifiers) {\n        result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[23~';\n      }\n      break;\n    case 123:\n      if (modifiers) {\n        result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[24~';\n      }\n      break;\n    default:\n      // a-z and space\n      if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n        if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          result.key = String.fromCharCode(ev.keyCode - 64);\n        } else if (ev.keyCode === 32) {\n          // NUL\n          result.key = String.fromCharCode(0);\n        } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n          // escape, file sep, group sep, record sep, unit sep\n          result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n        } else if (ev.keyCode === 56) {\n          // delete\n          result.key = String.fromCharCode(127);\n        } else if (ev.keyCode === 219) {\n          // ^[ - Control Sequence Introducer (CSI)\n          result.key = String.fromCharCode(27);\n        } else if (ev.keyCode === 220) {\n          // ^\\ - String Terminator (ST)\n          result.key = String.fromCharCode(28);\n        } else if (ev.keyCode === 221) {\n          // ^] - Operating System Command (OSC)\n          result.key = String.fromCharCode(29);\n        }\n      } else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {\n        // On Mac this is a third level shift. Use <Esc> instead.\n        if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          result.key = C0.ESC + String.fromCharCode(ev.keyCode + 32);\n        } else if (ev.keyCode === 192) {\n          result.key = C0.ESC + '`';\n        } else if (ev.keyCode >= 48 && ev.keyCode <= 57) {\n          result.key = C0.ESC + (ev.keyCode - 48);\n        }\n      } else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {\n        if (ev.keyCode === 65) { // cmd + a\n          this.selectAll();\n        }\n      }\n      break;\n  }\n\n  return result;\n};\n\n/**\n * Set the G level of the terminal\n * @param g\n */\nTerminal.prototype.setgLevel = function(g) {\n  this.glevel = g;\n  this.charset = this.charsets[g];\n};\n\n/**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\nTerminal.prototype.setgCharset = function(g, charset) {\n  this.charsets[g] = charset;\n  if (this.glevel === g) {\n    this.charset = charset;\n  }\n};\n\n/**\n * Handle a keypress event.\n * Key Resources:\n *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keypress event to be handled.\n */\nTerminal.prototype.keyPress = function(ev) {\n  var key;\n\n  if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n    return false;\n  }\n\n  this.cancel(ev);\n\n  if (ev.charCode) {\n    key = ev.charCode;\n  } else if (ev.which == null) {\n    key = ev.keyCode;\n  } else if (ev.which !== 0 && ev.charCode !== 0) {\n    key = ev.which;\n  } else {\n    return false;\n  }\n\n  if (!key || (\n    (ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev)\n  )) {\n    return false;\n  }\n\n  key = String.fromCharCode(key);\n\n  this.emit('keypress', key, ev);\n  this.emit('key', key, ev);\n  this.showCursor();\n  this.handler(key);\n\n  return true;\n};\n\n/**\n * Send data for handling to the terminal\n * @param {string} data\n */\nTerminal.prototype.send = function(data) {\n  var self = this;\n\n  if (!this.queue) {\n    setTimeout(function() {\n      self.handler(self.queue);\n      self.queue = '';\n    }, 1);\n  }\n\n  this.queue += data;\n};\n\n/**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\nTerminal.prototype.bell = function() {\n  if (!this.visualBell) return;\n  var self = this;\n  this.element.style.borderColor = 'white';\n  setTimeout(function() {\n    self.element.style.borderColor = '';\n  }, 10);\n  if (this.popOnBell) this.focus();\n};\n\n/**\n * Log the current state to the console.\n */\nTerminal.prototype.log = function() {\n  if (!this.debug) return;\n  if (!this.context.console || !this.context.console.log) return;\n  var args = Array.prototype.slice.call(arguments);\n  this.context.console.log.apply(this.context.console, args);\n};\n\n/**\n * Log the current state as error to the console.\n */\nTerminal.prototype.error = function() {\n  if (!this.debug) return;\n  if (!this.context.console || !this.context.console.error) return;\n  var args = Array.prototype.slice.call(arguments);\n  this.context.console.error.apply(this.context.console, args);\n};\n\n/**\n * Resizes the terminal.\n *\n * @param {number} x The number of columns to resize to.\n * @param {number} y The number of rows to resize to.\n */\nTerminal.prototype.resize = function(x, y) {\n  if (isNaN(x) || isNaN(y)) {\n    return;\n  }\n\n  if (y > this.getOption('scrollback')) {\n    this.setOption('scrollback', y)\n  }\n\n  var line\n  , el\n  , i\n  , j\n  , ch\n  , addToY;\n\n  if (x === this.cols && y === this.rows) {\n    // Check if we still need to measure the char size (fixes #785).\n    if (!this.charMeasure.width || !this.charMeasure.height) {\n      this.charMeasure.measure();\n    }\n    return;\n  }\n\n  if (x < 1) x = 1;\n  if (y < 1) y = 1;\n\n  this.buffers.resize(x, y);\n\n  // Adjust rows in the DOM to accurately reflect the new dimensions\n  while (this.children.length < y) {\n    this.insertRow();\n  }\n  while (this.children.length > y) {\n    el = this.children.shift();\n    if (!el) continue;\n    el.parentNode.removeChild(el);\n  }\n\n  this.cols = x;\n  this.rows = y;\n  this.setupStops(this.cols);\n\n  this.charMeasure.measure();\n\n  this.refresh(0, this.rows - 1);\n\n  this.geometry = [this.cols, this.rows];\n  this.emit('resize', {terminal: this, cols: x, rows: y});\n};\n\n/**\n * Updates the range of rows to refresh\n * @param {number} y The number of rows to refresh next.\n */\nTerminal.prototype.updateRange = function(y) {\n  if (y < this.refreshStart) this.refreshStart = y;\n  if (y > this.refreshEnd) this.refreshEnd = y;\n  // if (y > this.refreshEnd) {\n  //   this.refreshEnd = y;\n  //   if (y > this.rows - 1) {\n  //     this.refreshEnd = this.rows - 1;\n  //   }\n  // }\n};\n\n/**\n * Set the range of refreshing to the maximum value\n */\nTerminal.prototype.maxRange = function() {\n  this.refreshStart = 0;\n  this.refreshEnd = this.rows - 1;\n};\n\n\n\n/**\n * Setup the tab stops.\n * @param {number} i\n */\nTerminal.prototype.setupStops = function(i) {\n  if (i != null) {\n    if (!this.buffer.tabs[i]) {\n      i = this.prevStop(i);\n    }\n  } else {\n    this.buffer.tabs = {};\n    i = 0;\n  }\n\n  for (; i < this.cols; i += this.getOption('tabStopWidth')) {\n    this.buffer.tabs[i] = true;\n  }\n};\n\n\n/**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param {number} x The position to move the cursor to the previous tab stop.\n */\nTerminal.prototype.prevStop = function(x) {\n  if (x == null) x = this.buffer.x;\n  while (!this.buffer.tabs[--x] && x > 0);\n  return x >= this.cols\n    ? this.cols - 1\n  : x < 0 ? 0 : x;\n};\n\n\n/**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param {number} x The position to move the cursor one tab stop forward.\n */\nTerminal.prototype.nextStop = function(x) {\n  if (x == null) x = this.buffer.x;\n  while (!this.buffer.tabs[++x] && x < this.cols);\n  return x >= this.cols\n    ? this.cols - 1\n  : x < 0 ? 0 : x;\n};\n\n\n/**\n * Erase in the identified line everything from \"x\" to the end of the line (right).\n * @param {number} x The column from which to start erasing to the end of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseRight = function(x, y) {\n  var line = this.buffer.lines.get(this.buffer.ybase + y);\n  if (!line) {\n    return;\n  }\n  var ch = [this.eraseAttr(), ' ', 1]; // xterm\n  for (; x < this.cols; x++) {\n    line[x] = ch;\n  }\n  this.updateRange(y);\n};\n\n\n\n/**\n * Erase in the identified line everything from \"x\" to the start of the line (left).\n * @param {number} x The column from which to start erasing to the start of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseLeft = function(x, y) {\n  var line = this.buffer.lines.get(this.buffer.ybase + y);\n  if (!line) {\n    return;\n  }\n  var ch = [this.eraseAttr(), ' ', 1]; // xterm\n  x++;\n  while (x--) {\n    line[x] = ch;\n  }\n  this.updateRange(y);\n};\n\n/**\n * Clears the entire buffer, making the prompt line the new first line.\n */\nTerminal.prototype.clear = function() {\n  if (this.buffer.ybase === 0 && this.buffer.y === 0) {\n    // Don't clear if it's already clear\n    return;\n  }\n  this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));\n  this.buffer.lines.length = 1;\n  this.buffer.ydisp = 0;\n  this.buffer.ybase = 0;\n  this.buffer.y = 0;\n  for (var i = 1; i < this.rows; i++) {\n    this.buffer.lines.push(this.blankLine());\n  }\n  this.refresh(0, this.rows - 1);\n  this.emit('scroll', this.buffer.ydisp);\n};\n\n/**\n * Erase all content in the given line\n * @param {number} y The line to erase all of its contents.\n */\nTerminal.prototype.eraseLine = function(y) {\n  this.eraseRight(0, y);\n};\n\n\n/**\n * Return the data array of a blank line\n * @param {number} cur First bunch of data for each \"blank\" character.\n * @param {boolean} isWrapped Whether the new line is wrapped from the previous line.\n */\nTerminal.prototype.blankLine = function(cur, isWrapped, cols) {\n  var attr = cur\n  ? this.eraseAttr()\n  : this.defAttr;\n\n  var ch = [attr, ' ', 1]  // width defaults to 1 halfwidth character\n  , line = []\n  , i = 0;\n\n  // TODO: It is not ideal that this is a property on an array, a buffer line\n  // class should be added that will hold this data and other useful functions.\n  if (isWrapped) {\n    line.isWrapped = isWrapped;\n  }\n\n  cols = cols || this.cols;\n  for (; i < cols; i++) {\n    line[i] = ch;\n  }\n\n  return line;\n};\n\n\n/**\n * If cur return the back color xterm feature attribute. Else return defAttr.\n * @param {object} cur\n */\nTerminal.prototype.ch = function(cur) {\n  return cur\n    ? [this.eraseAttr(), ' ', 1]\n  : [this.defAttr, ' ', 1];\n};\n\n\n/**\n * Evaluate if the current terminal is the given argument.\n * @param {object} term The terminal to evaluate\n */\nTerminal.prototype.is = function(term) {\n  var name = this.termName;\n  return (name + '').indexOf(term) === 0;\n};\n\n\n/**\n * Emit the 'data' event and populate the given data.\n * @param {string} data The data to populate in the event.\n */\nTerminal.prototype.handler = function(data) {\n  // Prevents all events to pty process if stdin is disabled\n  if (this.options.disableStdin) {\n    return;\n  }\n\n  // Clear the selection if the selection manager is available and has an active selection\n  if (this.selectionManager && this.selectionManager.hasSelection) {\n    this.selectionManager.clearSelection();\n  }\n\n  // Input is being sent to the terminal, the terminal should focus the prompt.\n  if (this.buffer.ybase !== this.buffer.ydisp) {\n    this.scrollToBottom();\n  }\n  this.emit('data', data);\n};\n\n\n/**\n * Emit the 'title' event and populate the given title.\n * @param {string} title The title to populate in the event.\n */\nTerminal.prototype.handleTitle = function(title) {\n  /**\n   * This event is emitted when the title of the terminal is changed\n   * from inside the terminal. The parameter is the new title.\n   *\n   * @event title\n   */\n  this.emit('title', title);\n};\n\n\n/**\n * ESC\n */\n\n/**\n * ESC D Index (IND is 0x84).\n */\nTerminal.prototype.index = function() {\n  this.buffer.y++;\n  if (this.buffer.y > this.buffer.scrollBottom) {\n    this.buffer.y--;\n    this.scroll();\n  }\n  // If the end of the line is hit, prevent this action from wrapping around to the next line.\n  if (this.buffer.x >= this.cols) {\n    this.buffer.x--;\n  }\n};\n\n\n/**\n * ESC M Reverse Index (RI is 0x8d).\n *\n * Move the cursor up one row, inserting a new blank line if necessary.\n */\nTerminal.prototype.reverseIndex = function() {\n  var j;\n  if (this.buffer.y === this.buffer.scrollTop) {\n    // possibly move the code below to term.reverseScroll();\n    // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n    // blankLine(true) is xterm/linux behavior\n    this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, this.rows - 1, 1);\n    this.buffer.lines.set(this.buffer.y + this.buffer.ybase, this.blankLine(true));\n    this.updateRange(this.buffer.scrollTop);\n    this.updateRange(this.buffer.scrollBottom);\n  } else {\n    this.buffer.y--;\n  }\n};\n\n\n/**\n * ESC c Full Reset (RIS).\n */\nTerminal.prototype.reset = function() {\n  this.options.rows = this.rows;\n  this.options.cols = this.cols;\n  var customKeyEventHandler = this.customKeyEventHandler;\n  var cursorBlinkInterval = this.cursorBlinkInterval;\n  var inputHandler = this.inputHandler;\n  Terminal.call(this, this.options);\n  this.customKeyEventHandler = customKeyEventHandler;\n  this.cursorBlinkInterval = cursorBlinkInterval;\n  this.inputHandler = inputHandler;\n  this.refresh(0, this.rows - 1);\n  this.viewport.syncScrollArea();\n};\n\n\n/**\n * ESC H Tab Set (HTS is 0x88).\n */\nTerminal.prototype.tabSet = function() {\n  this.buffer.tabs[this.buffer.x] = true;\n};\n\n/**\n * Helpers\n */\n\nfunction on(el, type, handler, capture) {\n  if (!Array.isArray(el)) {\n    el = [el];\n  }\n  el.forEach(function (element) {\n    element.addEventListener(type, handler, capture || false);\n  });\n}\n\nfunction off(el, type, handler, capture) {\n  el.removeEventListener(type, handler, capture || false);\n}\n\nfunction cancel(ev, force) {\n  if (!this.cancelEvents && !force) {\n    return;\n  }\n  ev.preventDefault();\n  ev.stopPropagation();\n  return false;\n}\n\nfunction inherits(child, parent) {\n  function f() {\n    this.constructor = child;\n  }\n  f.prototype = parent.prototype;\n  child.prototype = new f;\n}\n\nfunction indexOf(obj, el) {\n  var i = obj.length;\n  while (i--) {\n    if (obj[i] === el) return i;\n  }\n  return -1;\n}\n\nfunction isThirdLevelShift(term, ev) {\n  var thirdLevelKey =\n      (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n      (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n  if (ev.type == 'keypress') {\n    return thirdLevelKey;\n  }\n\n  // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n  return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n}\n\n// Expose to InputHandler (temporary)\nTerminal.prototype.matchColor = matchColor;\n\nfunction matchColor(r1, g1, b1) {\n  var hash = (r1 << 16) | (g1 << 8) | b1;\n\n  if (matchColor._cache[hash] != null) {\n    return matchColor._cache[hash];\n  }\n\n  var ldiff = Infinity\n  , li = -1\n  , i = 0\n  , c\n  , r2\n  , g2\n  , b2\n  , diff;\n\n  for (; i < Terminal.vcolors.length; i++) {\n    c = Terminal.vcolors[i];\n    r2 = c[0];\n    g2 = c[1];\n    b2 = c[2];\n\n    diff = matchColor.distance(r1, g1, b1, r2, g2, b2);\n\n    if (diff === 0) {\n      li = i;\n      break;\n    }\n\n    if (diff < ldiff) {\n      ldiff = diff;\n      li = i;\n    }\n  }\n\n  return matchColor._cache[hash] = li;\n}\n\nmatchColor._cache = {};\n\n// http://stackoverflow.com/questions/1633828\nmatchColor.distance = function(r1, g1, b1, r2, g2, b2) {\n  return Math.pow(30 * (r1 - r2), 2)\n    + Math.pow(59 * (g1 - g2), 2)\n    + Math.pow(11 * (b1 - b2), 2);\n};\n\nfunction each(obj, iter, con) {\n  if (obj.forEach) return obj.forEach(iter, con);\n  for (var i = 0; i < obj.length; i++) {\n    iter.call(con, obj[i], i, obj);\n  }\n}\n\nfunction wasMondifierKeyOnlyEvent(ev) {\n  return ev.keyCode === 16 || // Shift\n    ev.keyCode === 17 || // Ctrl\n    ev.keyCode === 18; // Alt\n}\n\nfunction keys(obj) {\n  if (Object.keys) return Object.keys(obj);\n  var key, keys = [];\n  for (key in obj) {\n    if (Object.prototype.hasOwnProperty.call(obj, key)) {\n      keys.push(key);\n    }\n  }\n  return keys;\n}\n\n/**\n * Expose\n */\n\nTerminal.translateBufferLineToString = translateBufferLineToString;\nTerminal.EventEmitter = EventEmitter;\nTerminal.inherits = inherits;\n\n/**\n * Adds an event listener to the terminal.\n *\n * @param {string} event The name of the event. TODO: Document all event types\n * @param {function} callback The function to call when the event is triggered.\n */\nTerminal.on = on;\nTerminal.off = off;\nTerminal.cancel = cancel;\n\nmodule.exports = Terminal;\n","/**\n * @license MIT\n */\n\nimport { CharMeasure } from './CharMeasure';\n\nexport function getCoordsRelativeToElement(event: MouseEvent, element: HTMLElement): [number, number] {\n  // Ignore browsers that don't support MouseEvent.pageX\n  if (event.pageX == null) {\n    return null;\n  }\n\n  let x = event.pageX;\n  let y = event.pageY;\n\n  // Converts the coordinates from being relative to the document to being\n  // relative to the terminal.\n  while (element && element !== self.document.documentElement) {\n    x -= element.offsetLeft;\n    y -= element.offsetTop;\n    element = 'offsetParent' in element ? <HTMLElement>element.offsetParent : <HTMLElement>element.parentElement;\n  }\n  return [x, y];\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event. The result\n * is returned as an array in the form [x, y] instead of an object as it's a\n * little faster and this function is used in some low level code.\n * @param event The mouse event.\n * @param rowContainer The terminal's row container.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows n the terminal.\n * @param isSelection Whether the request is for the selection or not. This will\n * apply an offset to the x value such that the left half of the cell will\n * select that cell and the right half will select the next cell.\n */\nexport function getCoords(event: MouseEvent, rowContainer: HTMLElement, charMeasure: CharMeasure, colCount: number, rowCount: number, isSelection?: boolean): [number, number] {\n  // Coordinates cannot be measured if charMeasure has not been initialized\n  if (!charMeasure.width || !charMeasure.height) {\n    return null;\n  }\n\n  const coords = getCoordsRelativeToElement(event, rowContainer);\n  if (!coords) {\n    return null;\n  }\n\n  // Convert to cols/rows.\n  coords[0] = Math.ceil((coords[0] + (isSelection ? charMeasure.width / 2 : 0)) / charMeasure.width);\n  coords[1] = Math.ceil(coords[1] / charMeasure.height);\n\n  // Ensure coordinates are within the terminal viewport.\n  coords[0] = Math.min(Math.max(coords[0], 1), colCount + 1);\n  coords[1] = Math.min(Math.max(coords[1], 1), rowCount + 1);\n\n  return coords;\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event, wrapping\n * them to the bounds of the terminal and adding 32 to both the x and y values\n * as expected by xterm.\n * @param event The mouse event.\n * @param rowContainer The terminal's row container.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows in the terminal.\n */\nexport function getRawByteCoords(event: MouseEvent, rowContainer: HTMLElement, charMeasure: CharMeasure, colCount: number, rowCount: number): { x: number, y: number } {\n  const coords = getCoords(event, rowContainer, charMeasure, colCount, rowCount);\n  let x = coords[0];\n  let y = coords[1];\n\n  // xterm sends raw bytes and starts at 32 (SP) for each.\n  x += 32;\n  y += 32;\n\n  return { x, y };\n}\n","/**\n * Generic utilities module with methods that can be helpful at different parts of the code base.\n * @module xterm/utils/Generic\n * @license MIT\n */\n\n/**\n * Return if the given array contains the given element\n * @param {Array} array The array to search for the given element.\n * @param {Object} el The element to look for into the array\n */\nexport function contains(arr: any[], el: any) {\n  return arr.indexOf(el) >= 0;\n};\n","/**\n * @module xterm/utils/DomElementObjectPool\n * @license MIT\n */\n\n/**\n * An object pool that manages acquisition and releasing of DOM elements for\n * when reuse is desirable.\n */\nexport class DomElementObjectPool {\n  private static readonly OBJECT_ID_ATTRIBUTE = 'data-obj-id';\n\n  private static _objectCount = 0;\n\n  private _type: string;\n  private _pool: HTMLElement[];\n  private _inUse: {[key: string]: HTMLElement};\n\n  /**\n   * @param type The DOM element type (div, span, etc.).\n   */\n  constructor(private type: string) {\n    this._type = type;\n    this._pool = [];\n    this._inUse = {};\n  }\n\n  /**\n   * Acquire an element from the pool, creating it if the pool is empty.\n   */\n  public acquire(): HTMLElement {\n    let element: HTMLElement;\n    if (this._pool.length === 0) {\n      element = this._createNew();\n    } else {\n      element = this._pool.pop();\n    }\n    this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)] = element;\n    return element;\n  }\n\n  /**\n   * Release an element back into the pool. It's up to the caller of this\n   * function to ensure that all external references to the element have been\n   * removed.\n   * @param element The element being released.\n   */\n  public release(element: HTMLElement): void {\n    if (!this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]) {\n      throw new Error('Could not release an element not yet acquired');\n    }\n    delete this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)];\n    this._cleanElement(element);\n    this._pool.push(element);\n  }\n\n  /**\n   * Creates a new element for the pool.\n   */\n  private _createNew(): HTMLElement {\n    const element = document.createElement(this._type);\n    const id = DomElementObjectPool._objectCount++;\n    element.setAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE, id.toString(10));\n    return element;\n  }\n\n  /**\n   * Resets an element back to a \"clean state\".\n   * @param element The element to be cleaned.\n   */\n  private _cleanElement(element: HTMLElement): void {\n    element.className = '';\n    element.innerHTML = '';\n  }\n}\n","/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n * @module xterm/utils/CircularList\n * @license MIT\n */\nimport { EventEmitter } from '../EventEmitter';\nimport { ICircularList } from '../Interfaces';\n\nexport class CircularList<T> extends EventEmitter implements ICircularList<T> {\n  private _array: T[];\n  private _startIndex: number;\n  private _length: number;\n\n  constructor(maxLength: number) {\n    super();\n    this._array = new Array<T>(maxLength);\n    this._startIndex = 0;\n    this._length = 0;\n  }\n\n  public get maxLength(): number {\n    return this._array.length;\n  }\n\n  public set maxLength(newMaxLength: number) {\n    // Reconstruct array, starting at index 0. Only transfer values from the\n    // indexes 0 to length.\n    let newArray = new Array<T>(newMaxLength);\n    for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n      newArray[i] = this._array[this._getCyclicIndex(i)];\n    }\n    this._array = newArray;\n    this._startIndex = 0;\n  }\n\n  public get length(): number {\n    return this._length;\n  }\n\n  public set length(newLength: number) {\n    if (newLength > this._length) {\n      for (let i = this._length; i < newLength; i++) {\n        this._array[i] = undefined;\n      }\n    }\n    this._length = newLength;\n  }\n\n  public get forEach(): (callbackfn: (value: T, index: number) => void) => void {\n    return (callbackfn: (value: T, index: number) => void) => {\n      let i = 0;\n      let length = this.length;\n      for (let i = 0; i < length; i++) {\n        callbackfn(this.get(i), i);\n      }\n    };\n  }\n\n  /**\n   * Gets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index of the value to get.\n   * @return The value corresponding to the index.\n   */\n  public get(index: number): T {\n    return this._array[this._getCyclicIndex(index)];\n  }\n\n  /**\n   * Sets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index to set.\n   * @param value The value to set.\n   */\n  public set(index: number, value: T): void {\n    this._array[this._getCyclicIndex(index)] = value;\n  }\n\n  /**\n   * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n   * if the maximum length is reached.\n   * @param value The value to push onto the list.\n   */\n  public push(value: T): void {\n    this._array[this._getCyclicIndex(this._length)] = value;\n    if (this._length === this.maxLength) {\n      this._startIndex++;\n      if (this._startIndex === this.maxLength) {\n        this._startIndex = 0;\n      }\n      this.emit('trim', 1);\n    } else {\n      this._length++;\n    }\n  }\n\n  /**\n   * Removes and returns the last value on the list.\n   * @return The popped value.\n   */\n  public pop(): T {\n    return this._array[this._getCyclicIndex(this._length-- - 1)];\n  }\n\n  /**\n   * Deletes and/or inserts items at a particular index (in that order). Unlike\n   * Array.prototype.splice, this operation does not return the deleted items as a new array in\n   * order to save creating a new array. Note that this operation may shift all values in the list\n   * in the worst case.\n   * @param start The index to delete and/or insert.\n   * @param deleteCount The number of elements to delete.\n   * @param items The items to insert.\n   */\n  public splice(start: number, deleteCount: number, ...items: T[]): void {\n    // Delete items\n    if (deleteCount) {\n      for (let i = start; i < this._length - deleteCount; i++) {\n        this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n      }\n      this._length -= deleteCount;\n    }\n\n    if (items && items.length) {\n      // Add items\n      for (let i = this._length - 1; i >= start; i--) {\n        this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n      }\n      for (let i = 0; i < items.length; i++) {\n        this._array[this._getCyclicIndex(start + i)] = items[i];\n      }\n\n      // Adjust length as needed\n      if (this._length + items.length > this.maxLength) {\n        const countToTrim = (this._length + items.length) - this.maxLength;\n        this._startIndex += countToTrim;\n        this._length = this.maxLength;\n        this.emit('trim', countToTrim);\n      } else {\n        this._length += items.length;\n      }\n    }\n  }\n\n  /**\n   * Trims a number of items from the start of the list.\n   * @param count The number of items to remove.\n   */\n  public trimStart(count: number): void {\n    if (count > this._length) {\n      count = this._length;\n    }\n    this._startIndex += count;\n    this._length -= count;\n    this.emit('trim', count);\n  }\n\n  public shiftElements(start: number, count: number, offset: number): void {\n    if (count <= 0) {\n      return;\n    }\n    if (start < 0 || start >= this._length) {\n      throw new Error('start argument out of range');\n    }\n    if (start + offset < 0) {\n      throw new Error('Cannot shift elements in list beyond index 0');\n    }\n\n    if (offset > 0) {\n      for (let i = count - 1; i >= 0; i--) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n      const expandListBy = (start + count + offset) - this._length;\n      if (expandListBy > 0) {\n        this._length += expandListBy;\n        while (this._length > this.maxLength) {\n          this._length--;\n          this._startIndex++;\n          this.emit('trim', 1);\n        }\n      }\n    } else {\n      for (let i = 0; i < count; i++) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n    }\n  }\n\n  /**\n   * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n   * backing array to get the element associated with the regular index.\n   * @param index The regular index.\n   * @returns The cyclic index.\n   */\n  private _getCyclicIndex(index: number): number {\n    return (this._startIndex + index) % this.maxLength;\n  }\n}\n","/**\n * @module xterm/utils/CharMeasure\n * @license MIT\n */\n\nimport { EventEmitter } from '../EventEmitter.js';\n\n/**\n * Utility class that measures the size of a character.\n */\nexport class CharMeasure extends EventEmitter {\n  private _document: Document;\n  private _parentElement: HTMLElement;\n  private _measureElement: HTMLElement;\n  private _width: number;\n  private _height: number;\n\n  constructor(document: Document, parentElement: HTMLElement) {\n    super();\n    this._document = document;\n    this._parentElement = parentElement;\n  }\n\n  public get width(): number {\n    return this._width;\n  }\n\n  public get height(): number {\n    return this._height;\n  }\n\n  public measure(): void {\n    if (!this._measureElement) {\n      this._measureElement = this._document.createElement('span');\n      this._measureElement.style.position = 'absolute';\n      this._measureElement.style.top = '0';\n      this._measureElement.style.left = '-9999em';\n      this._measureElement.textContent = 'W';\n      this._measureElement.setAttribute('aria-hidden', 'true');\n      this._parentElement.appendChild(this._measureElement);\n      // Perform _doMeasure async if the element was just attached as sometimes\n      // getBoundingClientRect does not return accurate values without this.\n      setTimeout(() => this._doMeasure(), 0);\n    } else {\n      this._doMeasure();\n    }\n  }\n\n  private _doMeasure(): void {\n    const geometry = this._measureElement.getBoundingClientRect();\n    // The element is likely currently display:none, we should retain the\n    // previous value.\n    if (geometry.width === 0 || geometry.height === 0) {\n      return;\n    }\n    if (this._width !== geometry.width || this._height !== geometry.height) {\n      this._width = geometry.width;\n      this._height = geometry.height;\n      this.emit('charsizechanged');\n    }\n  }\n}\n","/**\n * @license MIT\n */\n\n// TODO: This module should be merged into a buffer or buffer line class\n\nconst LINE_DATA_CHAR_INDEX = 1;\nconst LINE_DATA_WIDTH_INDEX = 2;\n\n/**\n * Translates a buffer line to a string, with optional start and end columns.\n * Wide characters will count as two columns in the resulting string. This\n * function is useful for getting the actual text underneath the raw selection\n * position.\n * @param line The line being translated.\n * @param trimRight Whether to trim whitespace to the right.\n * @param startCol The column to start at.\n * @param endCol The column to end at.\n */\nexport function translateBufferLineToString(line: any, trimRight: boolean, startCol: number = 0, endCol: number = null): string {\n  // Get full line\n  let lineString = '';\n  let widthAdjustedStartCol = startCol;\n  let widthAdjustedEndCol = endCol;\n  for (let i = 0; i < line.length; i++) {\n    const char = line[i];\n    lineString += char[LINE_DATA_CHAR_INDEX];\n    // Adjust start and end cols for wide characters if they affect their\n    // column indexes\n    if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n      if (startCol >= i) {\n        widthAdjustedStartCol--;\n      }\n      if (endCol >= i) {\n        widthAdjustedEndCol--;\n      }\n    }\n  }\n\n  // Calculate the final end col by trimming whitespace on the right of the\n  // line if needed.\n  let finalEndCol = widthAdjustedEndCol || line.length;\n  if (trimRight) {\n    const rightWhitespaceIndex = lineString.search(/\\s+$/);\n    if (rightWhitespaceIndex !== -1) {\n      finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex);\n    }\n    // Return the empty string if only trimmed whitespace is selected\n    if (finalEndCol <= widthAdjustedStartCol) {\n      return '';\n    }\n  }\n\n  return lineString.substring(widthAdjustedStartCol, finalEndCol);\n}\n","/**\n * Attributes and methods to help with identifying the current browser and platform.\n * @module xterm/utils/Browser\n * @license MIT\n */\n\nimport { contains } from './Generic';\n\nconst isNode = (typeof navigator === 'undefined') ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = !!~userAgent.indexOf('Firefox');\nexport const isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n","/**\n * Clipboard handler module: exports methods for handling all clipboard-related events in the\n * terminal.\n * @module xterm/handlers/Clipboard\n * @license MIT\n */\n\nimport { ITerminal, ISelectionManager } from '../Interfaces';\n\ninterface IWindow extends Window {\n  clipboardData?: {\n    getData(format: string): string;\n    setData(format: string, data: string);\n  };\n}\n\ndeclare var window: IWindow;\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string, isMSWindows: boolean): string {\n  if (isMSWindows) {\n    return text.replace(/\\r?\\n/g, '\\r');\n  }\n  return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param {ClipboardEvent} ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, term: ITerminal, selectionManager: ISelectionManager) {\n  if (term.browser.isMSIE) {\n    window.clipboardData.setData('Text', selectionManager.selectionText);\n  } else {\n    ev.clipboardData.setData('text/plain', selectionManager.selectionText);\n  }\n\n  // Prevent or the original text will be copied.\n  ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nexport function pasteHandler(ev: ClipboardEvent, term: ITerminal) {\n  ev.stopPropagation();\n\n  let text: string;\n\n  let dispatchPaste = function(text) {\n    text = prepareTextForTerminal(text, term.browser.isMSWindows);\n    term.handler(text);\n    term.textarea.value = '';\n    term.emit('paste', text);\n\n    return term.cancel(ev);\n  };\n\n  if (term.browser.isMSIE) {\n    if (window.clipboardData) {\n      text = window.clipboardData.getData('Text');\n      dispatchPaste(text);\n    }\n  } else {\n    if (ev.clipboardData) {\n      text = ev.clipboardData.getData('text/plain');\n      dispatchPaste(text);\n    }\n  }\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement) {\n  // Bring textarea at the cursor position\n  textarea.style.position = 'fixed';\n  textarea.style.width = '20px';\n  textarea.style.height = '20px';\n  textarea.style.left = (ev.clientX - 10) + 'px';\n  textarea.style.top = (ev.clientY - 10) + 'px';\n  textarea.style.zIndex = '1000';\n\n  textarea.focus();\n\n  // Reset the terminal textarea's styling\n  setTimeout(function () {\n    textarea.style.position = null;\n    textarea.style.width = null;\n    textarea.style.height = null;\n    textarea.style.left = null;\n    textarea.style.top = null;\n    textarea.style.zIndex = null;\n  }, 4);\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n * @param selectionManager The terminal's selection manager.\n */\nexport function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, selectionManager: ISelectionManager) {\n  moveTextAreaUnderMouseCursor(ev, textarea);\n\n  // Get textarea ready to copy from the context menu\n  textarea.value = selectionManager.selectionText;\n  textarea.select();\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\nimport { CharMeasure } from './utils/CharMeasure';\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport {\n  private currentRowHeight: number;\n  private lastRecordedBufferLength: number;\n  private lastRecordedViewportHeight: number;\n  private lastTouchY: number;\n\n  /**\n   * Creates a new Viewport.\n   * @param terminal The terminal this viewport belongs to.\n   * @param viewportElement The DOM element acting as the viewport.\n   * @param scrollArea The DOM element acting as the scroll area.\n   * @param charMeasure A DOM element used to measure the character size of. the terminal.\n   */\n  constructor(\n    private terminal: ITerminal,\n    private viewportElement: HTMLElement,\n    private scrollArea: HTMLElement,\n    private charMeasure: CharMeasure\n  ) {\n    this.currentRowHeight = 0;\n    this.lastRecordedBufferLength = 0;\n    this.lastRecordedViewportHeight = 0;\n\n    this.terminal.on('scroll', this.syncScrollArea.bind(this));\n    this.terminal.on('resize', this.syncScrollArea.bind(this));\n    this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));\n\n    // Perform this async to ensure the CharMeasure is ready.\n    setTimeout(() => this.syncScrollArea(), 0);\n  }\n\n  /**\n   * Refreshes row height, setting line-height, viewport height and scroll area height if\n   * necessary.\n   */\n  private refresh(): void {\n    if (this.charMeasure.height > 0) {\n      const rowHeightChanged = this.charMeasure.height !== this.currentRowHeight;\n      if (rowHeightChanged) {\n        this.currentRowHeight = this.charMeasure.height;\n        this.viewportElement.style.lineHeight = this.charMeasure.height + 'px';\n        this.terminal.rowContainer.style.lineHeight = this.charMeasure.height + 'px';\n      }\n      const viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;\n      if (rowHeightChanged || viewportHeightChanged) {\n        this.lastRecordedViewportHeight = this.terminal.rows;\n        this.viewportElement.style.height = this.charMeasure.height * this.terminal.rows + 'px';\n        this.terminal.selectionContainer.style.height = this.viewportElement.style.height;\n      }\n      this.scrollArea.style.height = (this.charMeasure.height * this.lastRecordedBufferLength) + 'px';\n    }\n  }\n\n  /**\n   * Updates dimensions and synchronizes the scroll area if necessary.\n   */\n  public syncScrollArea(): void {\n    if (this.lastRecordedBufferLength !== this.terminal.buffer.lines.length) {\n      // If buffer height changed\n      this.lastRecordedBufferLength = this.terminal.buffer.lines.length;\n      this.refresh();\n    } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {\n      // If viewport height changed\n      this.refresh();\n    } else {\n      // If size has changed, refresh viewport\n      if (this.charMeasure.height !== this.currentRowHeight) {\n        this.refresh();\n      }\n    }\n\n    // Sync scrollTop\n    const scrollTop = this.terminal.buffer.ydisp * this.currentRowHeight;\n    if (this.viewportElement.scrollTop !== scrollTop) {\n      this.viewportElement.scrollTop = scrollTop;\n    }\n  }\n\n  /**\n   * Handles scroll events on the viewport, calculating the new viewport and requesting the\n   * terminal to scroll to it.\n   * @param ev The scroll event.\n   */\n  private onScroll(ev: Event) {\n    const newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);\n    const diff = newRow - this.terminal.buffer.ydisp;\n    this.terminal.scrollDisp(diff, true);\n  }\n\n  /**\n   * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n   * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n   * `Viewport`.\n   * @param ev The mouse wheel event.\n   */\n  public onWheel(ev: WheelEvent) {\n    if (ev.deltaY === 0) {\n      // Do nothing if it's not a vertical scroll event\n      return;\n    }\n    // Fallback to WheelEvent.DOM_DELTA_PIXEL\n    let multiplier = 1;\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n      multiplier = this.currentRowHeight;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      multiplier = this.currentRowHeight * this.terminal.rows;\n    }\n    this.viewportElement.scrollTop += ev.deltaY * multiplier;\n    // Prevent the page from scrolling when the terminal scrolls\n    ev.preventDefault();\n  };\n\n  /**\n   * Handles the touchstart event, recording the touch occurred.\n   * @param ev The touch event.\n   */\n  public onTouchStart(ev: TouchEvent) {\n    this.lastTouchY = ev.touches[0].pageY;\n  };\n\n  /**\n   * Handles the touchmove event, scrolling the viewport if the position shifted.\n   * @param ev The touch event.\n   */\n  public onTouchMove(ev: TouchEvent) {\n    let deltaY = this.lastTouchY - ev.touches[0].pageY;\n    this.lastTouchY = ev.touches[0].pageY;\n    if (deltaY === 0) {\n      return;\n    }\n    this.viewportElement.scrollTop += deltaY;\n    ev.preventDefault();\n  };\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n  /**\n   * Whether select all is currently active.\n   */\n  public isSelectAllActive: boolean;\n\n  /**\n   * The [x, y] position the selection starts at.\n   */\n  public selectionStart: [number, number];\n\n  /**\n   * The minimal length of the selection from the start position. When double\n   * clicking on a word, the word will be selected which makes the selection\n   * start at the start of the word and makes this variable the length.\n   */\n  public selectionStartLength: number;\n\n  /**\n   * The [x, y] position the selection ends at.\n   */\n  public selectionEnd: [number, number];\n\n  constructor(\n    private _terminal: ITerminal\n  ) {\n    this.clearSelection();\n  }\n\n  /**\n   * Clears the current selection.\n   */\n  public clearSelection(): void {\n    this.selectionStart = null;\n    this.selectionEnd = null;\n    this.isSelectAllActive = false;\n    this.selectionStartLength = 0;\n  }\n\n  /**\n   * The final selection start, taking into consideration select all.\n   */\n  public get finalSelectionStart(): [number, number] {\n    if (this.isSelectAllActive) {\n      return [0, 0];\n    }\n\n    if (!this.selectionEnd || !this.selectionStart) {\n      return this.selectionStart;\n    }\n\n    return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n  }\n\n  /**\n   * The final selection end, taking into consideration select all, double click\n   * word selection and triple click line selection.\n   */\n  public get finalSelectionEnd(): [number, number] {\n    if (this.isSelectAllActive) {\n      return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];\n    }\n\n    if (!this.selectionStart) {\n      return null;\n    }\n\n    // Use the selection start if the end doesn't exist or they're reversed\n    if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n      return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]];\n    }\n\n    // Ensure the the word/line is selected after a double/triple click\n    if (this.selectionStartLength) {\n      // Select the larger of the two when start and end are on the same line\n      if (this.selectionEnd[1] === this.selectionStart[1]) {\n        return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];\n      }\n    }\n    return this.selectionEnd;\n  }\n\n  /**\n   * Returns whether the selection start and end are reversed.\n   */\n  public areSelectionValuesReversed(): boolean {\n    const start = this.selectionStart;\n    const end = this.selectionEnd;\n    return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   * @return Whether a refresh is necessary.\n   */\n  public onTrim(amount: number): boolean {\n    // Adjust the selection position based on the trimmed amount.\n    if (this.selectionStart) {\n      this.selectionStart[1] -= amount;\n    }\n    if (this.selectionEnd) {\n      this.selectionEnd[1] -= amount;\n    }\n\n    // The selection has moved off the buffer, clear it.\n    if (this.selectionEnd && this.selectionEnd[1] < 0) {\n      this.clearSelection();\n      return true;\n    }\n\n    // If the selection start is trimmed, ensure the start column is 0.\n    if (this.selectionStart && this.selectionStart[1] < 0) {\n      this.selectionStart[1] = 0;\n    }\n    return false;\n  }\n}\n","/**\n * @license MIT\n */\n\nimport * as Mouse from './utils/Mouse';\nimport * as Browser from './utils/Browser';\nimport { CharMeasure } from './utils/CharMeasure';\nimport { CircularList } from './utils/CircularList';\nimport { EventEmitter } from './EventEmitter';\nimport { ITerminal, ICircularList } from './Interfaces';\nimport { SelectionModel } from './SelectionModel';\nimport { translateBufferLineToString } from './utils/BufferLine';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * A string containing all characters that are considered word separated by the\n * double click to select work logic.\n */\nconst WORD_SEPARATORS = ' ()[]{}\\'\"';\n\n// TODO: Move these constants elsewhere, they belong in a buffer or buffer\n//       data/line class.\nconst LINE_DATA_CHAR_INDEX = 1;\nconst LINE_DATA_WIDTH_INDEX = 2;\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n  start: number;\n  length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nenum SelectionMode {\n  NORMAL,\n  WORD,\n  LINE\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionManager handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionManager but a 'refresh' event is fired when the\n * selection is ready to be redrawn.\n */\nexport class SelectionManager extends EventEmitter {\n  protected _model: SelectionModel;\n\n  /**\n   * The amount to scroll every drag scroll update (depends on how far the mouse\n   * drag is above or below the terminal).\n   */\n  private _dragScrollAmount: number;\n\n  /**\n   * The current selection mode.\n   */\n  private _activeSelectionMode: SelectionMode;\n\n  /**\n   * A setInterval timer that is active while the mouse is down whose callback\n   * scrolls the viewport when necessary.\n   */\n  private _dragScrollIntervalTimer: NodeJS.Timer;\n\n  /**\n   * The animation frame ID used for refreshing the selection.\n   */\n  private _refreshAnimationFrame: number;\n\n  /**\n   * Whether selection is enabled.\n   */\n  private _enabled = true;\n\n  private _mouseMoveListener: EventListener;\n  private _mouseUpListener: EventListener;\n\n  constructor(\n    private _terminal: ITerminal,\n    private _buffer: ICircularList<[number, string, number][]>,\n    private _rowContainer: HTMLElement,\n    private _charMeasure: CharMeasure\n  ) {\n    super();\n    this._initListeners();\n    this.enable();\n\n    this._model = new SelectionModel(_terminal);\n    this._activeSelectionMode = SelectionMode.NORMAL;\n  }\n\n  /**\n   * Initializes listener variables.\n   */\n  private _initListeners() {\n    this._mouseMoveListener = event => this._onMouseMove(<MouseEvent>event);\n    this._mouseUpListener = event => this._onMouseUp(<MouseEvent>event);\n\n    this._rowContainer.addEventListener('mousedown', event => this._onMouseDown(<MouseEvent>event));\n\n    // Only adjust the selection on trim, shiftElements is rarely used (only in\n    // reverseIndex) and delete in a splice is only ever used when the same\n    // number of elements was just added. Given this is could actually be\n    // beneficial to leave the selection as is for these cases.\n    this._buffer.on('trim', (amount: number) => this._onTrim(amount));\n  }\n\n  /**\n   * Disables the selection manager. This is useful for when terminal mouse\n   * are enabled.\n   */\n  public disable() {\n    this.clearSelection();\n    this._enabled = false;\n  }\n\n  /**\n   * Enable the selection manager.\n   */\n  public enable() {\n    this._enabled = true;\n  }\n\n  /**\n   * Sets the active buffer, this should be called when the alt buffer is\n   * switched in or out.\n   * @param buffer The active buffer.\n   */\n  public setBuffer(buffer: ICircularList<[number, string, number][]>): void {\n    this._buffer = buffer;\n    this.clearSelection();\n  }\n\n  public get selectionStart(): [number, number] { return this._model.finalSelectionStart; }\n  public get selectionEnd(): [number, number] { return this._model.finalSelectionEnd; }\n\n  /**\n   * Gets whether there is an active text selection.\n   */\n  public get hasSelection(): boolean {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[0] !== end[0] || start[1] !== end[1];\n  }\n\n  /**\n   * Gets the text currently selected.\n   */\n  public get selectionText(): string {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return '';\n    }\n\n    // Get first row\n    const startRowEndCol = start[1] === end[1] ? end[0] : null;\n    let result: string[] = [];\n    result.push(translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));\n\n    // Get middle rows\n    for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n      const bufferLine = this._buffer.get(i);\n      const lineText = translateBufferLineToString(bufferLine, true);\n      if ((<any>bufferLine).isWrapped) {\n        result[result.length - 1] += lineText;\n      } else {\n        result.push(lineText);\n      }\n    }\n\n    // Get final row\n    if (start[1] !== end[1]) {\n      const bufferLine = this._buffer.get(end[1]);\n      const lineText = translateBufferLineToString(bufferLine, true, 0, end[0]);\n      if ((<any>bufferLine).isWrapped) {\n        result[result.length - 1] += lineText;\n      } else {\n        result.push(lineText);\n      }\n    }\n\n    // Format string by replacing non-breaking space chars with regular spaces\n    // and joining the array into a multi-line string.\n    const formattedResult = result.map(line => {\n      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n    }).join(Browser.isMSWindows ? '\\r\\n' : '\\n');\n\n    return formattedResult;\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this.refresh();\n  }\n\n  /**\n   * Queues a refresh, redrawing the selection on the next opportunity.\n   * @param isNewSelection Whether the selection should be registered as a new\n   * selection on Linux.\n   */\n  public refresh(isNewSelection?: boolean): void {\n    // Queue the refresh for the renderer\n    if (!this._refreshAnimationFrame) {\n      this._refreshAnimationFrame = window.requestAnimationFrame(() => this._refresh());\n    }\n\n    // If the platform is Linux and the refresh call comes from a mouse event,\n    // we need to update the selection for middle click to paste selection.\n    if (Browser.isLinux && isNewSelection) {\n      const selectionText = this.selectionText;\n      if (selectionText.length) {\n        this.emit('newselection', this.selectionText);\n      }\n    }\n  }\n\n  /**\n   * Fires the refresh event, causing consumers to pick it up and redraw the\n   * selection state.\n   */\n  private _refresh(): void {\n    this._refreshAnimationFrame = null;\n    this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd });\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    this._model.isSelectAllActive = true;\n    this.refresh();\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   */\n  private _onTrim(amount: number) {\n    const needsRefresh = this._model.onTrim(amount);\n    if (needsRefresh) {\n      this.refresh();\n    }\n  }\n\n  /**\n   * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n   * @param event The mouse event.\n   */\n  private _getMouseBufferCoords(event: MouseEvent): [number, number] {\n    const coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true);\n    if (!coords) {\n      return null;\n    }\n\n    // Convert to 0-based\n    coords[0]--;\n    coords[1]--;\n    // Convert viewport coords to buffer coords\n    coords[1] += this._terminal.buffer.ydisp;\n    return coords;\n  }\n\n  /**\n   * Gets the amount the viewport should be scrolled based on how far out of the\n   * terminal the mouse is.\n   * @param event The mouse event.\n   */\n  private _getMouseEventScrollAmount(event: MouseEvent): number {\n    let offset = Mouse.getCoordsRelativeToElement(event, this._rowContainer)[1];\n    const terminalHeight = this._terminal.rows * this._charMeasure.height;\n    if (offset >= 0 && offset <= terminalHeight) {\n      return 0;\n    }\n    if (offset > terminalHeight) {\n      offset -= terminalHeight;\n    }\n\n    offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n    offset /= DRAG_SCROLL_MAX_THRESHOLD;\n    return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n  }\n\n  /**\n   * Handles te mousedown event, setting up for a new selection.\n   * @param event The mousedown event.\n   */\n  private _onMouseDown(event: MouseEvent) {\n    // If we have selection, we want the context menu on right click even if the\n    // terminal is in mouse mode.\n    if (event.button === 2 && this.hasSelection) {\n      event.stopPropagation();\n      return;\n    }\n\n    // Only action the primary button\n    if (event.button !== 0) {\n      return;\n    }\n\n    // Allow selection when using a specific modifier key, even when disabled\n    if (!this._enabled) {\n      const shouldForceSelection = Browser.isMac && event.altKey;\n\n      if (!shouldForceSelection) {\n        return;\n      }\n\n      // Don't send the mouse down event to the current process, we want to select\n      event.stopPropagation();\n    }\n\n    // Tell the browser not to start a regular selection\n    event.preventDefault();\n\n    // Reset drag scroll state\n    this._dragScrollAmount = 0;\n\n    if (this._enabled && event.shiftKey) {\n      this._onIncrementalClick(event);\n    } else {\n      if (event.detail === 1) {\n        this._onSingleClick(event);\n      } else if (event.detail === 2) {\n        this._onDoubleClick(event);\n      } else if (event.detail === 3) {\n        this._onTripleClick(event);\n      }\n    }\n\n    this._addMouseDownListeners();\n    this.refresh(true);\n  }\n\n  /**\n   * Adds listeners when mousedown is triggered.\n   */\n  private _addMouseDownListeners(): void {\n    // Listen on the document so that dragging outside of viewport works\n    this._rowContainer.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n    this._rowContainer.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n    this._dragScrollIntervalTimer = setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n  }\n\n  /**\n   * Removes the listeners that are registered when mousedown is triggered.\n   */\n  private _removeMouseDownListeners(): void {\n    this._rowContainer.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n    this._rowContainer.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n    clearInterval(this._dragScrollIntervalTimer);\n    this._dragScrollIntervalTimer = null;\n  }\n\n  /**\n   * Performs an incremental click, setting the selection end position to the mouse\n   * position.\n   * @param event The mouse event.\n   */\n  private _onIncrementalClick(event: MouseEvent): void {\n    if (this._model.selectionStart) {\n      this._model.selectionEnd = this._getMouseBufferCoords(event);\n    }\n  }\n\n  /**\n   * Performs a single click, resetting relevant state and setting the selection\n   * start position.\n   * @param event The mouse event.\n   */\n  private _onSingleClick(event: MouseEvent): void {\n    this._model.selectionStartLength = 0;\n    this._model.isSelectAllActive = false;\n    this._activeSelectionMode = SelectionMode.NORMAL;\n\n    // Initialize the new selection\n    this._model.selectionStart = this._getMouseBufferCoords(event);\n    if (!this._model.selectionStart) {\n      return;\n    }\n    this._model.selectionEnd = null;\n\n    // Ensure the line exists\n    const line = this._buffer.get(this._model.selectionStart[1]);\n    if (!line) {\n      return;\n    }\n\n    // If the mouse is over the second half of a wide character, adjust the\n    // selection to cover the whole character\n    const char = line[this._model.selectionStart[0]];\n    if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n      this._model.selectionStart[0]++;\n    }\n  }\n\n  /**\n   * Performs a double click, selecting the current work.\n   * @param event The mouse event.\n   */\n  private _onDoubleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.WORD;\n      this._selectWordAt(coords);\n    }\n  }\n\n  /**\n   * Performs a triple click, selecting the current line and activating line\n   * select mode.\n   * @param event The mouse event.\n   */\n  private _onTripleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.LINE;\n      this._selectLineAt(coords[1]);\n    }\n  }\n\n  /**\n   * Handles the mousemove event when the mouse button is down, recording the\n   * end of the selection and refreshing the selection.\n   * @param event The mousemove event.\n   */\n  private _onMouseMove(event: MouseEvent) {\n    // Record the previous position so we know whether to redraw the selection\n    // at the end.\n    const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n    // Set the initial selection end based on the mouse coordinates\n    this._model.selectionEnd = this._getMouseBufferCoords(event);\n    if (!this._model.selectionEnd) {\n      this.refresh(true);\n      return;\n    }\n\n    // Select the entire line if line select mode is active.\n    if (this._activeSelectionMode === SelectionMode.LINE) {\n      if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n        this._model.selectionEnd[0] = 0;\n      } else {\n        this._model.selectionEnd[0] = this._terminal.cols;\n      }\n    } else if (this._activeSelectionMode === SelectionMode.WORD) {\n      this._selectToWordAt(this._model.selectionEnd);\n    }\n\n    // Determine the amount of scrolling that will happen.\n    this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n    // If the cursor was above or below the viewport, make sure it's at the\n    // start or end of the viewport respectively.\n    if (this._dragScrollAmount > 0) {\n      this._model.selectionEnd[0] = this._terminal.cols - 1;\n    } else if (this._dragScrollAmount < 0) {\n      this._model.selectionEnd[0] = 0;\n    }\n\n    // If the character is a wide character include the cell to the right in the\n    // selection. Note that selections at the very end of the line will never\n    // have a character.\n    if (this._model.selectionEnd[1] < this._buffer.length) {\n      const char = this._buffer.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]];\n      if (char && char[2] === 0) {\n        this._model.selectionEnd[0]++;\n      }\n    }\n\n    // Only draw here if the selection changes.\n    if (!previousSelectionEnd ||\n      previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n      previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n      this.refresh(true);\n    }\n  }\n\n  /**\n   * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n   * scrolling of the viewport.\n   */\n  private _dragScroll() {\n    if (this._dragScrollAmount) {\n      this._terminal.scrollDisp(this._dragScrollAmount, false);\n      // Re-evaluate selection\n      if (this._dragScrollAmount > 0) {\n        this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.buffer.ydisp + this._terminal.rows];\n      } else {\n        this._model.selectionEnd = [0, this._terminal.buffer.ydisp];\n      }\n      this.refresh();\n    }\n  }\n\n  /**\n   * Handles the mouseup event, removing the mousedown listeners.\n   * @param event The mouseup event.\n   */\n  private _onMouseUp(event: MouseEvent) {\n    this._removeMouseDownListeners();\n  }\n\n  /**\n   * Converts a viewport column to the character index on the buffer line, the\n   * latter takes into account wide characters.\n   * @param coords The coordinates to find the 2 index for.\n   */\n  private _convertViewportColToCharacterIndex(bufferLine: any, coords: [number, number]): number {\n    let charIndex = coords[0];\n    for (let i = 0; coords[0] >= i; i++) {\n      const char = bufferLine[i];\n      if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n        charIndex--;\n      }\n    }\n    return charIndex;\n  }\n\n  public setSelection(col: number, row: number, length: number): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this._model.selectionStart = [col, row];\n    this._model.selectionStartLength = length;\n    this.refresh();\n  }\n\n  /**\n   * Gets positional information for the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _getWordAt(coords: [number, number]): IWordPosition {\n    const bufferLine = this._buffer.get(coords[1]);\n    if (!bufferLine) {\n      return null;\n    }\n\n    const line = translateBufferLineToString(bufferLine, false);\n\n    // Get actual index, taking into consideration wide characters\n    let endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);\n    let startIndex = endIndex;\n\n    // Record offset to be used later\n    const charOffset = coords[0] - startIndex;\n    let leftWideCharCount = 0;\n    let rightWideCharCount = 0;\n\n    if (line.charAt(startIndex) === ' ') {\n      // Expand until non-whitespace is hit\n      while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n        startIndex--;\n      }\n      while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n        endIndex++;\n      }\n    } else {\n      // Expand until whitespace is hit. This algorithm works by scanning left\n      // and right from the starting position, keeping both the index format\n      // (line) and the column format (bufferLine) in sync. When a wide\n      // character is hit, it is recorded and the column index is adjusted.\n      let startCol = coords[0];\n      let endCol = coords[0];\n      // Consider the initial position, skip it and increment the wide char\n      // variable\n      if (bufferLine[startCol][LINE_DATA_WIDTH_INDEX] === 0) {\n        leftWideCharCount++;\n        startCol--;\n      }\n      if (bufferLine[endCol][LINE_DATA_WIDTH_INDEX] === 2) {\n        rightWideCharCount++;\n        endCol++;\n      }\n      // Expand the string in both directions until a space is hit\n      while (startIndex > 0 && !this._isCharWordSeparator(line.charAt(startIndex - 1))) {\n        if (bufferLine[startCol - 1][LINE_DATA_WIDTH_INDEX] === 0) {\n          // If the next character is a wide char, record it and skip the column\n          leftWideCharCount++;\n          startCol--;\n        }\n        startIndex--;\n        startCol--;\n      }\n      while (endIndex + 1 < line.length && !this._isCharWordSeparator(line.charAt(endIndex + 1))) {\n        if (bufferLine[endCol + 1][LINE_DATA_WIDTH_INDEX] === 2) {\n          // If the next character is a wide char, record it and skip the column\n          rightWideCharCount++;\n          endCol++;\n        }\n        endIndex++;\n        endCol++;\n      }\n    }\n\n    const start = startIndex + charOffset - leftWideCharCount;\n    const length = Math.min(endIndex - startIndex + leftWideCharCount + rightWideCharCount + 1/*include endIndex char*/, this._terminal.cols);\n    return { start, length };\n  }\n\n  /**\n   * Selects the word at the coordinates specified.\n   * @param coords The coordinates to get the word at.\n   */\n  protected _selectWordAt(coords: [number, number]): void {\n    const wordPosition = this._getWordAt(coords);\n    if (wordPosition) {\n      this._model.selectionStart = [wordPosition.start, coords[1]];\n      this._model.selectionStartLength = wordPosition.length;\n    }\n  }\n\n  /**\n   * Sets the selection end to the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _selectToWordAt(coords: [number, number]): void {\n    const wordPosition = this._getWordAt(coords);\n    if (wordPosition) {\n      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];\n    }\n  }\n\n  /**\n   * Gets whether the character is considered a word separator by the select\n   * word logic.\n   * @param char The character to check.\n   */\n  private _isCharWordSeparator(char: string): boolean {\n    return WORD_SEPARATORS.indexOf(char) >= 0;\n  }\n\n  /**\n   * Selects the line specified.\n   * @param line The line index.\n   */\n  protected _selectLineAt(line: number): void {\n    this._model.selectionStart = [0, line];\n    this._model.selectionStartLength = this._terminal.cols;\n  }\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\nimport { DomElementObjectPool } from './utils/DomElementObjectPool';\n\n/**\n * The maximum number of refresh frames to skip when the write buffer is non-\n * empty. Note that these frames may be intermingled with frames that are\n * skipped via requestAnimationFrame's mechanism.\n */\nconst MAX_REFRESH_FRAME_SKIP = 5;\n\n/**\n * Flags used to render terminal text properly.\n */\nenum FLAGS {\n  BOLD = 1,\n  UNDERLINE = 2,\n  BLINK = 4,\n  INVERSE = 8,\n  INVISIBLE = 16\n};\n\nlet brokenBold: boolean = null;\n\nexport class Renderer {\n  /** A queue of the rows to be refreshed */\n  private _refreshRowsQueue: {start: number, end: number}[] = [];\n  private _refreshFramesSkipped = 0;\n  private _refreshAnimationFrame = null;\n\n  private _spanElementObjectPool = new DomElementObjectPool('span');\n\n  constructor(private _terminal: ITerminal) {\n    // Figure out whether boldness affects\n    // the character width of monospace fonts.\n    if (brokenBold === null) {\n      brokenBold = checkBoldBroken((<any>this._terminal).element);\n    }\n    this._spanElementObjectPool = new DomElementObjectPool('span');\n\n    // TODO: Pull more DOM interactions into Renderer.constructor, element for\n    // example should be owned by Renderer (and also exposed by Terminal due to\n    // to established public API).\n  }\n\n  /**\n   * Queues a refresh between two rows (inclusive), to be done on next animation\n   * frame.\n   * @param {number} start The start row.\n   * @param {number} end The end row.\n   */\n  public queueRefresh(start: number, end: number): void {\n    this._refreshRowsQueue.push({ start: start, end: end });\n    if (!this._refreshAnimationFrame) {\n      this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n    }\n  }\n\n  /**\n   * Performs the refresh loop callback, calling refresh only if a refresh is\n   * necessary before queueing up the next one.\n   */\n  private _refreshLoop(): void {\n    // Skip MAX_REFRESH_FRAME_SKIP frames if the writeBuffer is non-empty as it\n    // will need to be immediately refreshed anyway. This saves a lot of\n    // rendering time as the viewport DOM does not need to be refreshed, no\n    // scroll events, no layouts, etc.\n    const skipFrame = this._terminal.writeBuffer.length > 0 && this._refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;\n    if (skipFrame) {\n      this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n      return;\n    }\n\n    this._refreshFramesSkipped = 0;\n    let start;\n    let end;\n    if (this._refreshRowsQueue.length > 4) {\n      // Just do a full refresh when 5+ refreshes are queued\n      start = 0;\n      end = this._terminal.rows - 1;\n    } else {\n      // Get start and end rows that need refreshing\n      start = this._refreshRowsQueue[0].start;\n      end = this._refreshRowsQueue[0].end;\n      for (let i = 1; i < this._refreshRowsQueue.length; i++) {\n        if (this._refreshRowsQueue[i].start < start) {\n          start = this._refreshRowsQueue[i].start;\n        }\n        if (this._refreshRowsQueue[i].end > end) {\n          end = this._refreshRowsQueue[i].end;\n        }\n      }\n    }\n    this._refreshRowsQueue = [];\n    this._refreshAnimationFrame = null;\n    this._refresh(start, end);\n  }\n\n  /**\n   * Refreshes (re-renders) terminal content within two rows (inclusive)\n   *\n   * Rendering Engine:\n   *\n   * In the screen buffer, each character is stored as a an array with a character\n   * and a 32-bit integer:\n   *   - First value: a utf-16 character.\n   *   - Second value:\n   *   - Next 9 bits: background color (0-511).\n   *   - Next 9 bits: foreground color (0-511).\n   *   - Next 14 bits: a mask for misc. flags:\n   *     - 1=bold\n   *     - 2=underline\n   *     - 4=blink\n   *     - 8=inverse\n   *     - 16=invisible\n   *\n   * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)\n   * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)\n   */\n  private _refresh(start: number, end: number): void {\n    // If this is a big refresh, remove the terminal rows from the DOM for faster calculations\n    let parent;\n    if (end - start >= this._terminal.rows / 2) {\n      parent = this._terminal.element.parentNode;\n      if (parent) {\n        this._terminal.element.removeChild(this._terminal.rowContainer);\n      }\n    }\n\n    let width = this._terminal.cols;\n    let y = start;\n\n    if (end >= this._terminal.rows) {\n      this._terminal.log('`end` is too large. Most likely a bad CSR.');\n      end = this._terminal.rows - 1;\n    }\n\n    for (; y <= end; y++) {\n      let row = y + this._terminal.buffer.ydisp;\n\n      let line = this._terminal.buffer.lines.get(row);\n\n      let x;\n      if (this._terminal.buffer.y === y - (this._terminal.buffer.ybase - this._terminal.buffer.ydisp) &&\n          this._terminal.cursorState &&\n          !this._terminal.cursorHidden) {\n        x = this._terminal.buffer.x;\n      } else {\n        x = -1;\n      }\n\n      let attr = this._terminal.defAttr;\n\n      const documentFragment = document.createDocumentFragment();\n      let innerHTML = '';\n      let currentElement;\n\n      // Return the row's spans to the pool\n      while (this._terminal.children[y].children.length) {\n        const child = this._terminal.children[y].children[0];\n        this._terminal.children[y].removeChild(child);\n        this._spanElementObjectPool.release(<HTMLElement>child);\n      }\n\n      for (let i = 0; i < width; i++) {\n        // TODO: Could data be a more specific type?\n        let data: any = line[i][0];\n        const ch = line[i][1];\n        const ch_width: any = line[i][2];\n        const isCursor: boolean = i === x;\n        if (!ch_width) {\n          continue;\n        }\n\n        if (data !== attr || isCursor) {\n          if (attr !== this._terminal.defAttr && !isCursor) {\n            if (innerHTML) {\n              currentElement.innerHTML = innerHTML;\n              innerHTML = '';\n            }\n            documentFragment.appendChild(currentElement);\n            currentElement = null;\n          }\n          if (data !== this._terminal.defAttr || isCursor) {\n            if (innerHTML && !currentElement) {\n              currentElement = this._spanElementObjectPool.acquire();\n            }\n            if (currentElement) {\n              if (innerHTML) {\n                currentElement.innerHTML = innerHTML;\n                innerHTML = '';\n              }\n              documentFragment.appendChild(currentElement);\n            }\n            currentElement = this._spanElementObjectPool.acquire();\n\n            let bg = data & 0x1ff;\n            let fg = (data >> 9) & 0x1ff;\n            let flags = data >> 18;\n\n            if (isCursor) {\n              currentElement.classList.add('reverse-video');\n              currentElement.classList.add('terminal-cursor');\n            }\n\n            if (flags & FLAGS.BOLD) {\n              if (!brokenBold) {\n                currentElement.classList.add('xterm-bold');\n              }\n              // See: XTerm*boldColors\n              if (fg < 8) {\n                fg += 8;\n              }\n            }\n\n            if (flags & FLAGS.UNDERLINE) {\n              currentElement.classList.add('xterm-underline');\n            }\n\n            if (flags & FLAGS.BLINK) {\n              currentElement.classList.add('xterm-blink');\n            }\n\n            // If inverse flag is on, then swap the foreground and background variables.\n            if (flags & FLAGS.INVERSE) {\n              let temp = bg;\n              bg = fg;\n              fg = temp;\n              // Should inverse just be before the above boldColors effect instead?\n              if ((flags & 1) && fg < 8) {\n                fg += 8;\n              }\n            }\n\n            if (flags & FLAGS.INVISIBLE && !isCursor) {\n              currentElement.classList.add('xterm-hidden');\n            }\n\n            /**\n             * Weird situation: Invert flag used black foreground and white background results\n             * in invalid background color, positioned at the 256 index of the 256 terminal\n             * color map. Pin the colors manually in such a case.\n             *\n             * Source: https://github.com/sourcelair/xterm.js/issues/57\n             */\n            if (flags & FLAGS.INVERSE) {\n              if (bg === 257) {\n                bg = 15;\n              }\n              if (fg === 256) {\n                fg = 0;\n              }\n            }\n\n            if (bg < 256) {\n              currentElement.classList.add(`xterm-bg-color-${bg}`);\n            }\n\n            if (fg < 256) {\n              currentElement.classList.add(`xterm-color-${fg}`);\n            }\n\n          }\n        }\n\n        if (ch_width === 2) {\n          // Wrap wide characters so they're sized correctly. It's more difficult to release these\n          // from the object pool so just create new ones via innerHTML.\n          innerHTML += `<span class=\"xterm-wide-char\">${ch}</span>`;\n        } else if (ch.charCodeAt(0) > 255) {\n          // Wrap any non-wide unicode character as some fonts size them badly\n          innerHTML += `<span class=\"xterm-normal-char\">${ch}</span>`;\n        } else {\n          switch (ch) {\n            case '&':\n              innerHTML += '&amp;';\n              break;\n            case '<':\n              innerHTML += '&lt;';\n              break;\n            case '>':\n              innerHTML += '&gt;';\n              break;\n            default:\n              if (ch <= ' ') {\n                innerHTML += '&nbsp;';\n              } else {\n                innerHTML += ch;\n              }\n              break;\n          }\n        }\n\n        // The cursor needs its own element, therefore we set attr to -1\n        // which will cause the next character to be rendered in a new element\n        attr = isCursor ? -1 : data;\n\n      }\n\n      if (innerHTML && !currentElement) {\n        currentElement = this._spanElementObjectPool.acquire();\n      }\n      if (currentElement) {\n        if (innerHTML) {\n          currentElement.innerHTML = innerHTML;\n          innerHTML = '';\n        }\n        documentFragment.appendChild(currentElement);\n        currentElement = null;\n      }\n\n      this._terminal.children[y].appendChild(documentFragment);\n    }\n\n    if (parent) {\n      this._terminal.element.appendChild(this._terminal.rowContainer);\n    }\n\n    this._terminal.emit('refresh', {element: this._terminal.element, start: start, end: end});\n  };\n\n  /**\n   * Refreshes the selection in the DOM.\n   * @param start The selection start.\n   * @param end The selection end.\n   */\n  public refreshSelection(start: [number, number], end: [number, number]) {\n    // Remove all selections\n    while (this._terminal.selectionContainer.children.length) {\n      this._terminal.selectionContainer.removeChild(this._terminal.selectionContainer.children[0]);\n    }\n\n    // Selection does not exist\n    if (!start || !end) {\n      return;\n    }\n\n    // Translate from buffer position to viewport position\n    const viewportStartRow = start[1] - this._terminal.buffer.ydisp;\n    const viewportEndRow = end[1] - this._terminal.buffer.ydisp;\n    const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n    const viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);\n\n    // No need to draw the selection\n    if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {\n      return;\n    }\n\n    // Create the selections\n    const documentFragment = document.createDocumentFragment();\n    // Draw first row\n    const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n    const endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n    documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n    // Draw middle rows\n    const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n    documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));\n    // Draw final row\n    if (viewportCappedStartRow !== viewportCappedEndRow) {\n      // Only draw viewportEndRow if it's not the same as viewporttartRow\n      const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n    }\n    this._terminal.selectionContainer.appendChild(documentFragment);\n  }\n\n  /**\n   * Creates a selection element at the specified position.\n   * @param row The row of the selection.\n   * @param colStart The start column.\n   * @param colEnd The end columns.\n   */\n  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n    const element = document.createElement('div');\n    element.style.height = `${rowCount * this._terminal.charMeasure.height}px`;\n    element.style.top = `${row * this._terminal.charMeasure.height}px`;\n    element.style.left = `${colStart * this._terminal.charMeasure.width}px`;\n    element.style.width = `${this._terminal.charMeasure.width * (colEnd - colStart)}px`;\n    return element;\n  }\n}\n\n\n// If bold is broken, we can't use it in the terminal.\nfunction checkBoldBroken(terminal) {\n  const document = terminal.ownerDocument;\n  const el = document.createElement('span');\n  el.innerHTML = 'hello world';\n  terminal.appendChild(el);\n  const w1 = el.offsetWidth;\n  const h1 = el.offsetHeight;\n  el.style.fontWeight = 'bold';\n  const w2 = el.offsetWidth;\n  const h2 = el.offsetHeight;\n  terminal.removeChild(el);\n  return w1 !== w2 || h1 !== h2;\n}\n","/**\n * @license MIT\n */\n\nimport { C0 } from './EscapeSequences';\nimport { IInputHandler } from './Interfaces';\nimport { CHARSETS, DEFAULT_CHARSET } from './Charsets';\n\nconst normalStateHandler: {[key: string]: (parser: Parser, handler: IInputHandler) => void} = {};\nnormalStateHandler[C0.BEL] = (parser, handler) => handler.bell();\nnormalStateHandler[C0.LF] = (parser, handler) => handler.lineFeed();\nnormalStateHandler[C0.VT] = normalStateHandler[C0.LF];\nnormalStateHandler[C0.FF] = normalStateHandler[C0.LF];\nnormalStateHandler[C0.CR] = (parser, handler) => handler.carriageReturn();\nnormalStateHandler[C0.BS] = (parser, handler) => handler.backspace();\nnormalStateHandler[C0.HT] = (parser, handler) => handler.tab();\nnormalStateHandler[C0.SO] = (parser, handler) => handler.shiftOut();\nnormalStateHandler[C0.SI] = (parser, handler) => handler.shiftIn();\nnormalStateHandler[C0.ESC] = (parser, handler) => parser.setState(ParserState.ESCAPED);\n\n// TODO: Remove terminal when parser owns params and currentParam\nconst escapedStateHandler: {[key: string]: (parser: Parser, terminal: any) => void} = {};\nescapedStateHandler['['] = (parser, terminal) => {\n  // ESC [ Control Sequence Introducer (CSI  is 0x9b)\n  terminal.params = [];\n  terminal.currentParam = 0;\n  parser.setState(ParserState.CSI_PARAM);\n};\nescapedStateHandler[']'] = (parser, terminal) => {\n  // ESC ] Operating System Command (OSC is 0x9d)\n  terminal.params = [];\n  terminal.currentParam = 0;\n  parser.setState(ParserState.OSC);\n};\nescapedStateHandler['P'] = (parser, terminal) => {\n  // ESC P Device Control String (DCS is 0x90)\n  terminal.params = [];\n  terminal.currentParam = 0;\n  parser.setState(ParserState.DCS);\n};\nescapedStateHandler['_'] = (parser, terminal) => {\n  // ESC _ Application Program Command ( APC is 0x9f).\n  parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['^'] = (parser, terminal) => {\n  // ESC ^ Privacy Message ( PM is 0x9e).\n  parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['c'] = (parser, terminal) => {\n  // ESC c Full Reset (RIS).\n  terminal.reset();\n};\nescapedStateHandler['E'] = (parser, terminal) => {\n  // ESC E Next Line ( NEL is 0x85).\n  terminal.buffer.x = 0;\n  terminal.index();\n  parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['D'] = (parser, terminal) => {\n  // ESC D Index ( IND is 0x84).\n  terminal.index();\n  parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['M'] = (parser, terminal) => {\n  // ESC M Reverse Index ( RI is 0x8d).\n  terminal.reverseIndex();\n  parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['%'] = (parser, terminal) => {\n  // ESC % Select default/utf-8 character set.\n  // @ = default, G = utf-8\n  terminal.setgLevel(0);\n  terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)\n  parser.setState(ParserState.NORMAL);\n  parser.skipNextChar();\n};\nescapedStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);\n\nconst csiParamStateHandler: {[key: string]: (parser: Parser) => void} = {};\ncsiParamStateHandler['?'] = (parser) => parser.setPrefix('?');\ncsiParamStateHandler['>'] = (parser) => parser.setPrefix('>');\ncsiParamStateHandler['!'] = (parser) => parser.setPrefix('!');\ncsiParamStateHandler['0'] = (parser) => parser.setParam(parser.getParam() * 10);\ncsiParamStateHandler['1'] = (parser) => parser.setParam(parser.getParam() * 10 + 1);\ncsiParamStateHandler['2'] = (parser) => parser.setParam(parser.getParam() * 10 + 2);\ncsiParamStateHandler['3'] = (parser) => parser.setParam(parser.getParam() * 10 + 3);\ncsiParamStateHandler['4'] = (parser) => parser.setParam(parser.getParam() * 10 + 4);\ncsiParamStateHandler['5'] = (parser) => parser.setParam(parser.getParam() * 10 + 5);\ncsiParamStateHandler['6'] = (parser) => parser.setParam(parser.getParam() * 10 + 6);\ncsiParamStateHandler['7'] = (parser) => parser.setParam(parser.getParam() * 10 + 7);\ncsiParamStateHandler['8'] = (parser) => parser.setParam(parser.getParam() * 10 + 8);\ncsiParamStateHandler['9'] = (parser) => parser.setParam(parser.getParam() * 10 + 9);\ncsiParamStateHandler['$'] = (parser) => parser.setPostfix('$');\ncsiParamStateHandler['\"'] = (parser) => parser.setPostfix('\"');\ncsiParamStateHandler[' '] = (parser) => parser.setPostfix(' ');\ncsiParamStateHandler['\\''] = (parser) => parser.setPostfix('\\'');\ncsiParamStateHandler[';'] = (parser) => parser.finalizeParam();\ncsiParamStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);\n\nconst csiStateHandler: {[key: string]: (handler: IInputHandler, params: number[], prefix: string, postfix: string, parser: Parser) => void} = {};\ncsiStateHandler['@'] = (handler, params, prefix) => handler.insertChars(params);\ncsiStateHandler['A'] = (handler, params, prefix) => handler.cursorUp(params);\ncsiStateHandler['B'] = (handler, params, prefix) => handler.cursorDown(params);\ncsiStateHandler['C'] = (handler, params, prefix) => handler.cursorForward(params);\ncsiStateHandler['D'] = (handler, params, prefix) => handler.cursorBackward(params);\ncsiStateHandler['E'] = (handler, params, prefix) => handler.cursorNextLine(params);\ncsiStateHandler['F'] = (handler, params, prefix) => handler.cursorPrecedingLine(params);\ncsiStateHandler['G'] = (handler, params, prefix) => handler.cursorCharAbsolute(params);\ncsiStateHandler['H'] = (handler, params, prefix) => handler.cursorPosition(params);\ncsiStateHandler['I'] = (handler, params, prefix) => handler.cursorForwardTab(params);\ncsiStateHandler['J'] = (handler, params, prefix) => handler.eraseInDisplay(params);\ncsiStateHandler['K'] = (handler, params, prefix) => handler.eraseInLine(params);\ncsiStateHandler['L'] = (handler, params, prefix) => handler.insertLines(params);\ncsiStateHandler['M'] = (handler, params, prefix) => handler.deleteLines(params);\ncsiStateHandler['P'] = (handler, params, prefix) => handler.deleteChars(params);\ncsiStateHandler['S'] = (handler, params, prefix) => handler.scrollUp(params);\ncsiStateHandler['T'] = (handler, params, prefix) => {\n  if (params.length < 2 && !prefix) {\n    handler.scrollDown(params);\n  }\n};\ncsiStateHandler['X'] = (handler, params, prefix) => handler.eraseChars(params);\ncsiStateHandler['Z'] = (handler, params, prefix) => handler.cursorBackwardTab(params);\ncsiStateHandler['`'] = (handler, params, prefix) => handler.charPosAbsolute(params);\ncsiStateHandler['a'] = (handler, params, prefix) => handler.HPositionRelative(params);\ncsiStateHandler['b'] = (handler, params, prefix) => handler.repeatPrecedingCharacter(params);\ncsiStateHandler['c'] = (handler, params, prefix) => handler.sendDeviceAttributes(params);\ncsiStateHandler['d'] = (handler, params, prefix) => handler.linePosAbsolute(params);\ncsiStateHandler['e'] = (handler, params, prefix) => handler.VPositionRelative(params);\ncsiStateHandler['f'] = (handler, params, prefix) => handler.HVPosition(params);\ncsiStateHandler['g'] = (handler, params, prefix) => handler.tabClear(params);\ncsiStateHandler['h'] = (handler, params, prefix) => handler.setMode(params);\ncsiStateHandler['l'] = (handler, params, prefix) => handler.resetMode(params);\ncsiStateHandler['m'] = (handler, params, prefix) => handler.charAttributes(params);\ncsiStateHandler['n'] = (handler, params, prefix) => handler.deviceStatus(params);\ncsiStateHandler['p'] = (handler, params, prefix) => {\n  switch (prefix) {\n    case '!': handler.softReset(params); break;\n  }\n};\ncsiStateHandler['q'] = (handler, params, prefix, postfix) => {\n  if (postfix === ' ') {\n    handler.setCursorStyle(params);\n  }\n};\ncsiStateHandler['r'] = (handler, params) => handler.setScrollRegion(params);\ncsiStateHandler['s'] = (handler, params) => handler.saveCursor(params);\ncsiStateHandler['u'] = (handler, params) => handler.restoreCursor(params);\ncsiStateHandler[C0.CAN] = (handler, params, prefix, postfix, parser) => parser.setState(ParserState.NORMAL);\n\nenum ParserState {\n  NORMAL = 0,\n  ESCAPED = 1,\n  CSI_PARAM = 2,\n  CSI = 3,\n  OSC = 4,\n  CHARSET = 5,\n  DCS = 6,\n  IGNORE = 7\n}\n\n/**\n * The terminal's parser, all input into the terminal goes through the parser\n * which parses and defers the actual input handling the the IInputHandler\n * specified in the constructor.\n */\nexport class Parser {\n  private _state: ParserState;\n  private _position: number;\n\n  // TODO: Remove terminal when handler can do everything\n  constructor(\n    private _inputHandler: IInputHandler,\n    private _terminal: any\n  ) {\n    this._state = ParserState.NORMAL;\n  }\n\n  /**\n   * Parse and handle data.\n   *\n   * @param data The data to parse.\n   */\n  public parse(data: string): ParserState {\n    let l = data.length, j, cs, ch, code, low;\n\n    if (this._terminal.debug) {\n      this._terminal.log('data: ' + data);\n    }\n\n    this._position = 0;\n    // apply leftover surrogate high from last write\n    if (this._terminal.surrogate_high) {\n      data = this._terminal.surrogate_high + data;\n      this._terminal.surrogate_high = '';\n    }\n\n    for (; this._position < l; this._position++) {\n      ch = data[this._position];\n\n      // FIXME: higher chars than 0xa0 are not allowed in escape sequences\n      //        --> maybe move to default\n      code = data.charCodeAt(this._position);\n      if (0xD800 <= code && code <= 0xDBFF) {\n        // we got a surrogate high\n        // get surrogate low (next 2 bytes)\n        low = data.charCodeAt(this._position + 1);\n        if (isNaN(low)) {\n          // end of data stream, save surrogate high\n          this._terminal.surrogate_high = ch;\n          continue;\n        }\n        code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n        ch += data.charAt(this._position + 1);\n      }\n      // surrogate low - already handled above\n      if (0xDC00 <= code && code <= 0xDFFF)\n        continue;\n\n      switch (this._state) {\n        case ParserState.NORMAL:\n          if (ch in normalStateHandler) {\n            normalStateHandler[ch](this, this._inputHandler);\n          } else {\n            this._inputHandler.addChar(ch, code);\n          }\n          break;\n        case ParserState.ESCAPED:\n          if (ch in escapedStateHandler) {\n            escapedStateHandler[ch](this, this._terminal);\n            // Skip switch as it was just handled\n            break;\n          }\n          switch (ch) {\n\n            // ESC (,),*,+,-,. Designate G0-G2 Character Set.\n            case '(': // <-- this seems to get all the attention\n            case ')':\n            case '*':\n            case '+':\n            case '-':\n            case '.':\n              switch (ch) {\n                case '(':\n                  this._terminal.gcharset = 0;\n                  break;\n                case ')':\n                  this._terminal.gcharset = 1;\n                  break;\n                case '*':\n                  this._terminal.gcharset = 2;\n                  break;\n                case '+':\n                  this._terminal.gcharset = 3;\n                  break;\n                case '-':\n                  this._terminal.gcharset = 1;\n                  break;\n                case '.':\n                  this._terminal.gcharset = 2;\n                  break;\n              }\n              this._state = ParserState.CHARSET;\n              break;\n\n            // Designate G3 Character Set (VT300).\n            // A = ISO Latin-1 Supplemental.\n            // Not implemented.\n            case '/':\n              this._terminal.gcharset = 3;\n              this._state = ParserState.CHARSET;\n              this._position--;\n              break;\n\n            // ESC N\n            // Single Shift Select of G2 Character Set\n            // ( SS2 is 0x8e). This affects next character only.\n            case 'N':\n              break;\n            // ESC O\n            // Single Shift Select of G3 Character Set\n            // ( SS3 is 0x8f). This affects next character only.\n            case 'O':\n              break;\n            // ESC n\n            // Invoke the G2 Character Set as GL (LS2).\n            case 'n':\n              this._terminal.setgLevel(2);\n              break;\n            // ESC o\n            // Invoke the G3 Character Set as GL (LS3).\n            case 'o':\n              this._terminal.setgLevel(3);\n              break;\n            // ESC |\n            // Invoke the G3 Character Set as GR (LS3R).\n            case '|':\n              this._terminal.setgLevel(3);\n              break;\n            // ESC }\n            // Invoke the G2 Character Set as GR (LS2R).\n            case '}':\n              this._terminal.setgLevel(2);\n              break;\n            // ESC ~\n            // Invoke the G1 Character Set as GR (LS1R).\n            case '~':\n              this._terminal.setgLevel(1);\n              break;\n\n            // ESC 7 Save Cursor (DECSC).\n            case '7':\n              this._inputHandler.saveCursor();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC 8 Restore Cursor (DECRC).\n            case '8':\n              this._inputHandler.restoreCursor();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC # 3 DEC line height/width\n            case '#':\n              this._state = ParserState.NORMAL;\n              this._position++;\n              break;\n\n            // ESC H Tab Set (HTS is 0x88).\n            case 'H':\n              this._terminal.tabSet();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC = Application Keypad (DECKPAM).\n            case '=':\n              this._terminal.log('Serial port requested application keypad.');\n              this._terminal.applicationKeypad = true;\n              this._terminal.viewport.syncScrollArea();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC > Normal Keypad (DECKPNM).\n            case '>':\n              this._terminal.log('Switching back to normal keypad.');\n              this._terminal.applicationKeypad = false;\n              this._terminal.viewport.syncScrollArea();\n              this._state = ParserState.NORMAL;\n              break;\n\n            default:\n              this._state = ParserState.NORMAL;\n              this._terminal.error('Unknown ESC control: %s.', ch);\n              break;\n          }\n          break;\n\n        case ParserState.CHARSET:\n          if (ch in CHARSETS) {\n            cs = CHARSETS[ch];\n            if (ch === '/') { // ISOLatin is actually /A\n              this.skipNextChar();\n            }\n          } else {\n            cs = DEFAULT_CHARSET;\n          }\n          this._terminal.setgCharset(this._terminal.gcharset, cs);\n          this._terminal.gcharset = null;\n          this._state = ParserState.NORMAL;\n          break;\n\n        case ParserState.OSC:\n          // OSC Ps ; Pt ST\n          // OSC Ps ; Pt BEL\n          //   Set Text Parameters.\n          if (ch === C0.ESC || ch === C0.BEL) {\n            if (ch === C0.ESC) this._position++;\n\n            this._terminal.params.push(this._terminal.currentParam);\n\n            switch (this._terminal.params[0]) {\n              case 0:\n              case 1:\n              case 2:\n                if (this._terminal.params[1]) {\n                  this._terminal.title = this._terminal.params[1];\n                  this._terminal.handleTitle(this._terminal.title);\n                }\n                break;\n              case 3:\n                // set X property\n                break;\n              case 4:\n              case 5:\n                // change dynamic colors\n                break;\n              case 10:\n              case 11:\n              case 12:\n              case 13:\n              case 14:\n              case 15:\n              case 16:\n              case 17:\n              case 18:\n              case 19:\n                // change dynamic ui colors\n                break;\n              case 46:\n                // change log file\n                break;\n              case 50:\n                // dynamic font\n                break;\n              case 51:\n                // emacs shell\n                break;\n              case 52:\n                // manipulate selection data\n                break;\n              case 104:\n              case 105:\n              case 110:\n              case 111:\n              case 112:\n              case 113:\n              case 114:\n              case 115:\n              case 116:\n              case 117:\n              case 118:\n                // reset colors\n                break;\n            }\n\n            this._terminal.params = [];\n            this._terminal.currentParam = 0;\n            this._state = ParserState.NORMAL;\n          } else {\n            if (!this._terminal.params.length) {\n              if (ch >= '0' && ch <= '9') {\n                this._terminal.currentParam =\n                  this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;\n              } else if (ch === ';') {\n                this._terminal.params.push(this._terminal.currentParam);\n                this._terminal.currentParam = '';\n              }\n            } else {\n              this._terminal.currentParam += ch;\n            }\n          }\n          break;\n\n        case ParserState.CSI_PARAM:\n          if (ch in csiParamStateHandler) {\n            csiParamStateHandler[ch](this);\n            break;\n          }\n          this.finalizeParam();\n          // Fall through the CSI as this character should be the CSI code.\n          this._state = ParserState.CSI;\n\n        case ParserState.CSI:\n          if (ch in csiStateHandler) {\n            if (this._terminal.debug) {\n              this._terminal.log(`CSI ${this._terminal.prefix ? this._terminal.prefix : ''} ${this._terminal.params ? this._terminal.params.join(';') : ''} ${this._terminal.postfix ? this._terminal.postfix : ''} ${ch}`);\n            }\n            csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);\n          } else {\n            this._terminal.error('Unknown CSI code: %s.', ch);\n          }\n\n          this._state = ParserState.NORMAL;\n          this._terminal.prefix = '';\n          this._terminal.postfix = '';\n          break;\n\n        case ParserState.DCS:\n          if (ch === C0.ESC || ch === C0.BEL) {\n            if (ch === C0.ESC) this._position++;\n            let pt;\n            let valid: boolean;\n\n            switch (this._terminal.prefix) {\n              // User-Defined Keys (DECUDK).\n              case '':\n                break;\n\n              // Request Status String (DECRQSS).\n              // test: echo -e '\\eP$q\"p\\e\\\\'\n              case '$q':\n                pt = this._terminal.currentParam;\n                valid = false;\n\n                switch (pt) {\n                  // DECSCA\n                  case '\"q':\n                    pt = '0\"q';\n                    break;\n\n                  // DECSCL\n                  case '\"p':\n                    pt = '61\"p';\n                    break;\n\n                  // DECSTBM\n                  case 'r':\n                    pt = ''\n                      + (this._terminal.buffer.scrollTop + 1)\n                      + ';'\n                      + (this._terminal.buffer.scrollBottom + 1)\n                      + 'r';\n                    break;\n\n                  // SGR\n                  case 'm':\n                    pt = '0m';\n                    break;\n\n                  default:\n                    this._terminal.error('Unknown DCS Pt: %s.', pt);\n                    pt = '';\n                    break;\n                }\n\n                this._terminal.send(C0.ESC + 'P' + +valid + '$r' + pt + C0.ESC + '\\\\');\n                break;\n\n              // Set Termcap/Terminfo Data (xterm, experimental).\n              case '+p':\n                break;\n\n              // Request Termcap/Terminfo String (xterm, experimental)\n              // Regular xterm does not even respond to this sequence.\n              // This can cause a small glitch in vim.\n              // test: echo -ne '\\eP+q6b64\\e\\\\'\n              case '+q':\n                pt = this._terminal.currentParam;\n                valid = false;\n\n                this._terminal.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\\\');\n                break;\n\n              default:\n                this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);\n                break;\n            }\n\n            this._terminal.currentParam = 0;\n            this._terminal.prefix = '';\n            this._state = ParserState.NORMAL;\n          } else if (!this._terminal.currentParam) {\n            if (!this._terminal.prefix && ch !== '$' && ch !== '+') {\n              this._terminal.currentParam = ch;\n            } else if (this._terminal.prefix.length === 2) {\n              this._terminal.currentParam = ch;\n            } else {\n              this._terminal.prefix += ch;\n            }\n          } else {\n            this._terminal.currentParam += ch;\n          }\n          break;\n\n        case ParserState.IGNORE:\n          // For PM and APC.\n          if (ch === C0.ESC || ch === C0.BEL) {\n            if (ch === C0.ESC) this._position++;\n            this._state = ParserState.NORMAL;\n          }\n          break;\n      }\n    }\n    return this._state;\n  }\n\n  /**\n   * Set the parser's current parsing state.\n   *\n   * @param state The new state.\n   */\n  public setState(state: ParserState): void {\n    this._state = state;\n  }\n\n  /**\n   * Sets the parsier's current prefix. CSI codes can have prefixes of '?', '>'\n   * or '!'.\n   *\n   * @param prefix The prefix.\n   */\n  public setPrefix(prefix: string): void {\n    this._terminal.prefix = prefix;\n  }\n\n  /**\n   * Sets the parsier's current prefix. CSI codes can have postfixes of '$',\n   * '\"', ' ', '\\''.\n   *\n   * @param postfix The postfix.\n   */\n  public setPostfix(postfix: string): void {\n    this._terminal.postfix = postfix;\n  }\n\n  /**\n   * Sets the parser's current parameter.\n   *\n   * @param param the parameter.\n   */\n  public setParam(param: number) {\n    this._terminal.currentParam = param;\n  }\n\n  /**\n   * Gets the parser's current parameter.\n   */\n  public getParam(): number {\n    return this._terminal.currentParam;\n  }\n\n  /**\n   * Finalizes the parser's current parameter, adding it to the list of\n   * parameters and setting the new current parameter to 0.\n   */\n  public finalizeParam(): void {\n    this._terminal.params.push(this._terminal.currentParam);\n    this._terminal.currentParam = 0;\n  }\n\n  /**\n   * Tell the parser to skip the next character.\n   */\n  public skipNextChar(): void {\n    this._position++;\n  }\n\n  /**\n   * Tell the parser to repeat parsing the current character (for example if it\n   * needs parsing using a different state.\n   */\n  // public repeatChar(): void {\n  //   this._position--;\n  // }\n}\n","/**\n * @license MIT\n */\n\nimport { LinkMatcherOptions } from './Interfaces';\nimport { LinkMatcher, LinkMatcherHandler, LinkMatcherValidationCallback } from './Types';\n\nconst INVALID_LINK_CLASS = 'xterm-invalid-link';\n\nconst protocolClause = '(https?:\\\\/\\\\/)';\nconst domainCharacterSet = '[\\\\da-z\\\\.-]+';\nconst negatedDomainCharacterSet = '[^\\\\da-z\\\\.-]+';\nconst domainBodyClause = '(' + domainCharacterSet + ')';\nconst tldClause = '([a-z\\\\.]{2,6})';\nconst ipClause = '((\\\\d{1,3}\\\\.){3}\\\\d{1,3})';\nconst localHostClause = '(localhost)';\nconst portClause = '(:\\\\d{1,5})';\nconst hostClause = '((' + domainBodyClause + '\\\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';\nconst pathClause = '(\\\\/[\\\\/\\\\w\\\\.\\\\-%~]*)*';\nconst queryStringHashFragmentCharacterSet = '[0-9\\\\w\\\\[\\\\]\\\\(\\\\)\\\\/\\\\?\\\\!#@$%&\\'*+,:;~\\\\=\\\\.\\\\-]*';\nconst queryStringClause = '(\\\\?' + queryStringHashFragmentCharacterSet + ')?';\nconst hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';\nconst negatedPathCharacterSet = '[^\\\\/\\\\w\\\\.\\\\-%]+';\nconst bodyClause = hostClause + pathClause + queryStringClause + hashFragmentClause;\nconst start = '(?:^|' + negatedDomainCharacterSet + ')(';\nconst end = ')($|' + negatedPathCharacterSet + ')';\nconst strictUrlRegex = new RegExp(start + protocolClause + bodyClause + end);\n\n/**\n * The ID of the built in http(s) link matcher.\n */\nconst HYPERTEXT_LINK_MATCHER_ID = 0;\n\n/**\n * The Linkifier applies links to rows shortly after they have been refreshed.\n */\nexport class Linkifier {\n  /**\n   * The time to wait after a row is changed before it is linkified. This prevents\n   * the costly operation of searching every row multiple times, potentially a\n   * huge amount of times.\n   */\n  protected static TIME_BEFORE_LINKIFY = 200;\n\n  protected _linkMatchers: LinkMatcher[];\n\n  private _document: Document;\n  private _rows: HTMLElement[];\n  private _rowTimeoutIds: number[];\n  private _nextLinkMatcherId = HYPERTEXT_LINK_MATCHER_ID;\n\n  constructor() {\n    this._rowTimeoutIds = [];\n    this._linkMatchers = [];\n    this.registerLinkMatcher(strictUrlRegex, null, { matchIndex: 1 });\n  }\n\n  /**\n   * Attaches the linkifier to the DOM, enabling linkification.\n   * @param document The document object.\n   * @param rows The array of rows to apply links to.\n   */\n  public attachToDom(document: Document, rows: HTMLElement[]) {\n    this._document = document;\n    this._rows = rows;\n  }\n\n  /**\n   * Queues a row for linkification.\n   * @param {number} rowIndex The index of the row to linkify.\n   */\n  public linkifyRow(rowIndex: number): void {\n    // Don't attempt linkify if not yet attached to DOM\n    if (!this._document) {\n      return;\n    }\n\n    const timeoutId = this._rowTimeoutIds[rowIndex];\n    if (timeoutId) {\n      clearTimeout(timeoutId);\n    }\n    this._rowTimeoutIds[rowIndex] = setTimeout(this._linkifyRow.bind(this, rowIndex), Linkifier.TIME_BEFORE_LINKIFY);\n  }\n\n  /**\n   * Attaches a handler for hypertext links, overriding default <a> behavior\n   * for standard http(s) links.\n   * @param {LinkHandler} handler The handler to use, this can be cleared with\n   * null.\n   */\n  public setHypertextLinkHandler(handler: LinkMatcherHandler): void {\n    this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler;\n  }\n\n  /**\n   * Attaches a validation callback for hypertext links.\n   * @param {LinkMatcherValidationCallback} callback The callback to use, this\n   * can be cleared with null.\n   */\n  public setHypertextValidationCallback(callback: LinkMatcherValidationCallback): void {\n    this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback;\n  }\n\n  /**\n   * Registers a link matcher, allowing custom link patterns to be matched and\n   * handled.\n   * @param {RegExp} regex The regular expression to search for, specifically\n   * this searches the textContent of the rows. You will want to use \\s to match\n   * a space ' ' character for example.\n   * @param {LinkHandler} handler The callback when the link is called.\n   * @param {LinkMatcherOptions} [options] Options for the link matcher.\n   * @return {number} The ID of the new matcher, this can be used to deregister.\n   */\n  public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options: LinkMatcherOptions = {}): number {\n    if (this._nextLinkMatcherId !== HYPERTEXT_LINK_MATCHER_ID && !handler) {\n      throw new Error('handler must be defined');\n    }\n    const matcher: LinkMatcher = {\n      id: this._nextLinkMatcherId++,\n      regex,\n      handler,\n      matchIndex: options.matchIndex,\n      validationCallback: options.validationCallback,\n      priority: options.priority || 0\n    };\n    this._addLinkMatcherToList(matcher);\n    return matcher.id;\n  }\n\n  /**\n   * Inserts a link matcher to the list in the correct position based on the\n   * priority of each link matcher. New link matchers of equal priority are\n   * considered after older link matchers.\n   * @param matcher The link matcher to be added.\n   */\n  private _addLinkMatcherToList(matcher: LinkMatcher): void {\n    if (this._linkMatchers.length === 0) {\n      this._linkMatchers.push(matcher);\n      return;\n    }\n\n    for (let i = this._linkMatchers.length - 1; i >= 0; i--) {\n      if (matcher.priority <= this._linkMatchers[i].priority) {\n        this._linkMatchers.splice(i + 1, 0, matcher);\n        return;\n      }\n    }\n\n    this._linkMatchers.splice(0, 0, matcher);\n  }\n\n  /**\n   * Deregisters a link matcher if it has been registered.\n   * @param {number} matcherId The link matcher's ID (returned after register)\n   * @return {boolean} Whether a link matcher was found and deregistered.\n   */\n  public deregisterLinkMatcher(matcherId: number): boolean {\n    // ID 0 is the hypertext link matcher which cannot be deregistered\n    for (let i = 1; i < this._linkMatchers.length; i++) {\n      if (this._linkMatchers[i].id === matcherId) {\n        this._linkMatchers.splice(i, 1);\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Linkifies a row.\n   * @param {number} rowIndex The index of the row to linkify.\n   */\n  private _linkifyRow(rowIndex: number): void {\n    const row = this._rows[rowIndex];\n    if (!row) {\n      return;\n    }\n    const text = row.textContent;\n    for (let i = 0; i < this._linkMatchers.length; i++) {\n      const matcher = this._linkMatchers[i];\n      const linkElements = this._doLinkifyRow(row, matcher);\n        if (linkElements.length > 0) {\n        // Fire validation callback\n        if (matcher.validationCallback) {\n          for (let j = 0; j < linkElements.length; j++) {\n            const element = linkElements[j];\n            matcher.validationCallback(element.textContent, element, isValid => {\n              if (!isValid) {\n                element.classList.add(INVALID_LINK_CLASS);\n              }\n            });\n          }\n        }\n        // Only allow a single LinkMatcher to trigger on any given row.\n        return;\n      }\n    }\n  }\n\n  /**\n   * Linkifies a row given a specific handler.\n   * @param {HTMLElement} row The row to linkify.\n   * @param {LinkMatcher} matcher The link matcher for this line.\n   * @return The link element(s) that were added.\n   */\n  private _doLinkifyRow(row: HTMLElement, matcher: LinkMatcher): HTMLElement[] {\n    // Iterate over nodes as we want to consider text nodes\n    let result = [];\n    const isHttpLinkMatcher = matcher.id === HYPERTEXT_LINK_MATCHER_ID;\n    const nodes = row.childNodes;\n\n    // Find the first match\n    let match = row.textContent.match(matcher.regex);\n    if (!match || match.length === 0) {\n      return result;\n    }\n    let uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n    // Set the next searches start index\n    let rowStartIndex = match.index + uri.length;\n\n    for (let i = 0; i < nodes.length; i++) {\n      const node = nodes[i];\n      const searchIndex = node.textContent.indexOf(uri);\n      if (searchIndex >= 0) {\n        const linkElement = this._createAnchorElement(uri, matcher.handler, isHttpLinkMatcher);\n        if (node.textContent.length === uri.length) {\n          // Matches entire string\n          if (node.nodeType === 3 /*Node.TEXT_NODE*/) {\n            this._replaceNode(node, linkElement);\n          } else {\n            const element = (<HTMLElement>node);\n            if (element.nodeName === 'A') {\n              // This row has already been linkified\n              return result;\n            }\n            element.innerHTML = '';\n            element.appendChild(linkElement);\n          }\n        } else if (node.childNodes.length > 1) {\n          // Matches part of string in an element with multiple child nodes\n          for (let j = 0; j < node.childNodes.length; j++) {\n            const childNode = node.childNodes[j];\n            const childSearchIndex = childNode.textContent.indexOf(uri);\n            if (childSearchIndex !== -1) {\n              // Match found in currentNode\n              this._replaceNodeSubstringWithNode(childNode, linkElement, uri, childSearchIndex);\n              // Don't need to count nodesAdded by replacing the node as this\n              // is a child node, not a top-level node.\n              break;\n            }\n          }\n        } else {\n          // Matches part of string in a single text node\n          const nodesAdded = this._replaceNodeSubstringWithNode(node, linkElement, uri, searchIndex);\n          // No need to consider the new nodes\n          i += nodesAdded;\n        }\n        result.push(linkElement);\n\n        // Find the next match\n        match = row.textContent.substring(rowStartIndex).match(matcher.regex);\n        if (!match || match.length === 0) {\n          return result;\n        }\n        uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n        rowStartIndex += match.index + uri.length;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Creates a link anchor element.\n   * @param {string} uri The uri of the link.\n   * @return {HTMLAnchorElement} The link.\n   */\n  private _createAnchorElement(uri: string, handler: LinkMatcherHandler, isHypertextLinkHandler: boolean): HTMLAnchorElement {\n    const element = this._document.createElement('a');\n    element.textContent = uri;\n    element.draggable = false;\n    if (isHypertextLinkHandler) {\n      element.href = uri;\n      // Force link on another tab so work is not lost\n      element.target = '_blank';\n      element.addEventListener('click', (event: MouseEvent) => {\n        if (handler) {\n          return handler(event, uri);\n        }\n      });\n    } else {\n      element.addEventListener('click', (event: MouseEvent) => {\n        // Don't execute the handler if the link is flagged as invalid\n        if (element.classList.contains(INVALID_LINK_CLASS)) {\n          return;\n        }\n        return handler(event, uri);\n      });\n    }\n    return element;\n  }\n\n  /**\n   * Replace a node with 1 or more other nodes.\n   * @param {Node} oldNode The node to replace.\n   * @param {Node[]} newNodes The new nodes to insert in order.\n   */\n  private _replaceNode(oldNode: Node, ...newNodes: Node[]): void {\n    const parent = oldNode.parentNode;\n    for (let i = 0; i < newNodes.length; i++) {\n      parent.insertBefore(newNodes[i], oldNode);\n    }\n    parent.removeChild(oldNode);\n  }\n\n  /**\n   * Replace a substring within a node with a new node.\n   * @param {Node} targetNode The target node; either a text node or a <span>\n   * containing a single text node.\n   * @param {Node} newNode The new node to insert.\n   * @param {string} substring The substring to replace.\n   * @param {number} substringIndex The index of the substring within the string.\n   * @return The number of nodes to skip when searching for the next uri.\n   */\n  private _replaceNodeSubstringWithNode(targetNode: Node, newNode: Node, substring: string, substringIndex: number): number {\n    // If the targetNode is a non-text node with a single child, make the child\n    // the new targetNode.\n    if (targetNode.childNodes.length === 1) {\n      targetNode = targetNode.childNodes[0];\n    }\n\n    // The targetNode will be either a text node or a <span>. The text node\n    // (targetNode or its only-child) needs to be replaced with newNode plus new\n    // text nodes potentially on either side.\n    if (targetNode.nodeType !== 3/*Node.TEXT_NODE*/) {\n      throw new Error('targetNode must be a text node or only contain a single text node');\n    }\n\n    const fullText = targetNode.textContent;\n\n    if (substringIndex === 0) {\n      // Replace with <newNode><textnode>\n      const rightText = fullText.substring(substring.length);\n      const rightTextNode = this._document.createTextNode(rightText);\n      this._replaceNode(targetNode, newNode, rightTextNode);\n      return 0;\n    }\n\n    if (substringIndex === targetNode.textContent.length - substring.length) {\n      // Replace with <textnode><newNode>\n      const leftText = fullText.substring(0, substringIndex);\n      const leftTextNode = this._document.createTextNode(leftText);\n      this._replaceNode(targetNode, leftTextNode, newNode);\n      return 0;\n    }\n\n    // Replace with <textnode><newNode><textnode>\n    const leftText = fullText.substring(0, substringIndex);\n    const leftTextNode = this._document.createTextNode(leftText);\n    const rightText = fullText.substring(substringIndex + substring.length);\n    const rightTextNode = this._document.createTextNode(rightText);\n    this._replaceNode(targetNode, leftTextNode, newNode, rightTextNode);\n    return 1;\n  }\n}\n","/**\n * @license MIT\n */\n\nimport { IInputHandler, ITerminal } from './Interfaces';\nimport { C0 } from './EscapeSequences';\nimport { DEFAULT_CHARSET } from './Charsets';\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler implements IInputHandler {\n  // TODO: We want to type _terminal when it's pulled into TS\n  constructor(private _terminal: any) { }\n\n  public addChar(char: string, code: number): void {\n    if (char >= ' ') {\n      // calculate print space\n      // expensive call, therefore we save width in line buffer\n      const ch_width = wcwidth(code);\n\n      if (this._terminal.charset && this._terminal.charset[char]) {\n        char = this._terminal.charset[char];\n      }\n\n      let row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n      // insert combining char in last cell\n      // FIXME: needs handling after cursor jumps\n      if (!ch_width && this._terminal.buffer.x) {\n        // dont overflow left\n        if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1]) {\n          if (!this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][2]) {\n\n            // found empty cell after fullwidth, need to go 2 cells back\n            if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2])\n              this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2][1] += char;\n\n          } else {\n            this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][1] += char;\n          }\n          this._terminal.updateRange(this._terminal.buffer.y);\n        }\n        return;\n      }\n\n      // goto next line if ch would overflow\n      // TODO: needs a global min terminal width of 2\n      if (this._terminal.buffer.x + ch_width - 1 >= this._terminal.cols) {\n        // autowrap - DECAWM\n        if (this._terminal.wraparoundMode) {\n          this._terminal.buffer.x = 0;\n          this._terminal.buffer.y++;\n          if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {\n            this._terminal.buffer.y--;\n            this._terminal.scroll(true);\n          } else {\n            // The line already exists (eg. the initial viewport), mark it as a\n            // wrapped line\n            this._terminal.buffer.lines.get(this._terminal.buffer.y).isWrapped = true;\n          }\n        } else {\n          if (ch_width === 2)  // FIXME: check for xterm behavior\n            return;\n        }\n      }\n      row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n      // insert mode: move characters to right\n      if (this._terminal.insertMode) {\n        // do this twice for a fullwidth char\n        for (let moves = 0; moves < ch_width; ++moves) {\n          // remove last cell, if it's width is 0\n          // we have to adjust the second last cell as well\n          const removed = this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).pop();\n          if (removed[2] === 0\n              && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2]\n              && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2][2] === 2) {\n            this._terminal.buffer.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];\n          }\n\n          // insert empty cell at cursor\n          this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 0, [this._terminal.curAttr, ' ', 1]);\n        }\n      }\n\n      this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, char, ch_width];\n      this._terminal.buffer.x++;\n      this._terminal.updateRange(this._terminal.buffer.y);\n\n      // fullwidth char - set next cell width to zero and advance cursor\n      if (ch_width === 2) {\n        this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, '', 0];\n        this._terminal.buffer.x++;\n      }\n    }\n  }\n\n  /**\n   * BEL\n   * Bell (Ctrl-G).\n   */\n  public bell(): void {\n    if (!this._terminal.visualBell) {\n      return;\n    }\n    this._terminal.element.style.borderColor = 'white';\n    setTimeout(() => this._terminal.element.style.borderColor = '', 10);\n    if (this._terminal.popOnBell) {\n      this._terminal.focus();\n    }\n  }\n\n  /**\n   * LF\n   * Line Feed or New Line (NL).  (LF  is Ctrl-J).\n   */\n  public lineFeed(): void {\n    if (this._terminal.convertEol) {\n      this._terminal.buffer.x = 0;\n    }\n    this._terminal.buffer.y++;\n    if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {\n      this._terminal.buffer.y--;\n      this._terminal.scroll();\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n    /**\n     * This event is emitted whenever the terminal outputs a LF or NL.\n     *\n     * @event lineFeed\n     */\n    this._terminal.emit('lineFeed');\n  }\n\n  /**\n   * CR\n   * Carriage Return (Ctrl-M).\n   */\n  public carriageReturn(): void {\n    this._terminal.buffer.x = 0;\n  }\n\n  /**\n   * BS\n   * Backspace (Ctrl-H).\n   */\n  public backspace(): void {\n    if (this._terminal.buffer.x > 0) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * TAB\n   * Horizontal Tab (HT) (Ctrl-I).\n   */\n  public tab(): void {\n    this._terminal.buffer.x = this._terminal.nextStop();\n  }\n\n  /**\n   * SO\n   * Shift Out (Ctrl-N) -> Switch to Alternate Character Set.  This invokes the\n   * G1 character set.\n   */\n  public shiftOut(): void {\n    this._terminal.setgLevel(1);\n  }\n\n  /**\n   * SI\n   * Shift In (Ctrl-O) -> Switch to Standard Character Set.  This invokes the G0\n   * character set (the default).\n   */\n  public shiftIn(): void {\n    this._terminal.setgLevel(0);\n  }\n\n  /**\n   * CSI Ps @\n   * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n   */\n  public insertChars(params: number[]): void {\n    let param, row, j, ch;\n\n    param = params[0];\n    if (param < 1) param = 1;\n\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n    j = this._terminal.buffer.x;\n    ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n    while (param-- && j < this._terminal.cols) {\n      this._terminal.buffer.lines.get(row).splice(j++, 0, ch);\n      this._terminal.buffer.lines.get(row).pop();\n    }\n  }\n\n  /**\n   * CSI Ps A\n   * Cursor Up Ps Times (default = 1) (CUU).\n   */\n  public cursorUp(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y -= param;\n    if (this._terminal.buffer.y < 0) {\n      this._terminal.buffer.y = 0;\n    }\n  }\n\n  /**\n   * CSI Ps B\n   * Cursor Down Ps Times (default = 1) (CUD).\n   */\n  public cursorDown(params: number[]) {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * CSI Ps C\n   * Cursor Forward Ps Times (default = 1) (CUF).\n   */\n  public cursorForward(params: number[]) {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x += param;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps D\n   * Cursor Backward Ps Times (default = 1) (CUB).\n   */\n  public cursorBackward(params: number[]) {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n    this._terminal.buffer.x -= param;\n    if (this._terminal.buffer.x < 0) {\n      this._terminal.buffer.x = 0;\n    }\n  }\n\n  /**\n   * CSI Ps E\n   * Cursor Next Line Ps Times (default = 1) (CNL).\n   * same as CSI Ps B ?\n   */\n  public cursorNextLine(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    this._terminal.buffer.x = 0;\n  }\n\n\n  /**\n   * CSI Ps F\n   * Cursor Preceding Line Ps Times (default = 1) (CNL).\n   * reuse CSI Ps A ?\n   */\n  public cursorPrecedingLine(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y -= param;\n    if (this._terminal.buffer.y < 0) {\n      this._terminal.buffer.y = 0;\n    }\n    this._terminal.buffer.x = 0;\n  }\n\n\n  /**\n   * CSI Ps G\n   * Cursor Character Absolute  [column] (default = [row,1]) (CHA).\n   */\n  public cursorCharAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x = param - 1;\n  }\n\n  /**\n   * CSI Ps ; Ps H\n   * Cursor Position [row;column] (default = [1,1]) (CUP).\n   */\n  public cursorPosition(params: number[]): void {\n    let row, col;\n\n    row = params[0] - 1;\n\n    if (params.length >= 2) {\n      col = params[1] - 1;\n    } else {\n      col = 0;\n    }\n\n    if (row < 0) {\n      row = 0;\n    } else if (row >= this._terminal.rows) {\n      row = this._terminal.rows - 1;\n    }\n\n    if (col < 0) {\n      col = 0;\n    } else if (col >= this._terminal.cols) {\n      col = this._terminal.cols - 1;\n    }\n\n    this._terminal.buffer.x = col;\n    this._terminal.buffer.y = row;\n  }\n\n  /**\n   * CSI Ps I\n   *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n   */\n  public cursorForwardTab(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.x = this._terminal.nextStop();\n    }\n  }\n\n  /**\n   * CSI Ps J  Erase in Display (ED).\n   *     Ps = 0  -> Erase Below (default).\n   *     Ps = 1  -> Erase Above.\n   *     Ps = 2  -> Erase All.\n   *     Ps = 3  -> Erase Saved Lines (xterm).\n   * CSI ? Ps J\n   *   Erase in Display (DECSED).\n   *     Ps = 0  -> Selective Erase Below (default).\n   *     Ps = 1  -> Selective Erase Above.\n   *     Ps = 2  -> Selective Erase All.\n   */\n  public eraseInDisplay(params: number[]): void {\n    let j;\n    switch (params[0]) {\n      case 0:\n        this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);\n        j = this._terminal.buffer.y + 1;\n        for (; j < this._terminal.rows; j++) {\n          this._terminal.eraseLine(j);\n        }\n        break;\n      case 1:\n        this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);\n        j = this._terminal.buffer.y;\n        while (j--) {\n          this._terminal.eraseLine(j);\n        }\n        break;\n      case 2:\n        j = this._terminal.rows;\n        while (j--) this._terminal.eraseLine(j);\n        break;\n      case 3:\n        // Clear scrollback (everything not in viewport)\n        const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;\n        if (scrollBackSize > 0) {\n          this._terminal.buffer.lines.trimStart(scrollBackSize);\n          this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);\n          this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);\n          // Force a scroll event to refresh viewport\n          this._terminal.emit('scroll', 0);\n        }\n        break;\n    }\n  }\n\n  /**\n   * CSI Ps K  Erase in Line (EL).\n   *     Ps = 0  -> Erase to Right (default).\n   *     Ps = 1  -> Erase to Left.\n   *     Ps = 2  -> Erase All.\n   * CSI ? Ps K\n   *   Erase in Line (DECSEL).\n   *     Ps = 0  -> Selective Erase to Right (default).\n   *     Ps = 1  -> Selective Erase to Left.\n   *     Ps = 2  -> Selective Erase All.\n   */\n  public eraseInLine(params: number[]): void {\n    switch (params[0]) {\n      case 0:\n        this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);\n        break;\n      case 1:\n        this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);\n        break;\n      case 2:\n        this._terminal.eraseLine(this._terminal.buffer.y);\n        break;\n    }\n  }\n\n  /**\n   * CSI Ps L\n   * Insert Ps Line(s) (default = 1) (IL).\n   */\n  public insertLines(params: number[]): void {\n    let param, row, j;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n    j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;\n    j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j + 1;\n\n    while (param--) {\n      if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {\n        // Trim the start of lines to make room for the new line\n        this._terminal.buffer.lines.trimStart(1);\n        this._terminal.buffer.ybase--;\n        this._terminal.buffer.ydisp--;\n        row--;\n        j--;\n      }\n      // test: echo -e '\\e[44m\\e[1L\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._terminal.buffer.lines.splice(row, 0, this._terminal.blankLine(true));\n      this._terminal.buffer.lines.splice(j, 1);\n    }\n\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.y);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps M\n   * Delete Ps Line(s) (default = 1) (DL).\n   */\n  public deleteLines(params: number[]): void {\n    let param, row, j;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n    j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;\n    j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j;\n\n    while (param--) {\n      if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {\n        // Trim the start of lines to make room for the new line\n        this._terminal.buffer.lines.trimStart(1);\n        this._terminal.buffer.ybase -= 1;\n        this._terminal.buffer.ydisp -= 1;\n      }\n      // test: echo -e '\\e[44m\\e[1M\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._terminal.buffer.lines.splice(j + 1, 0, this._terminal.blankLine(true));\n      this._terminal.buffer.lines.splice(row, 1);\n    }\n\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.y);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps P\n   * Delete Ps Character(s) (default = 1) (DCH).\n   */\n  public deleteChars(params: number[]): void {\n    let param, row, ch;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n    ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n    while (param--) {\n      this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 1);\n      this._terminal.buffer.lines.get(row).push(ch);\n    }\n  }\n\n  /**\n   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).\n   */\n  public scrollUp(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 1);\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 0, this._terminal.blankLine());\n    }\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.scrollTop);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps T  Scroll down Ps lines (default = 1) (SD).\n   */\n  public scrollDown(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 1);\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 0, this._terminal.blankLine());\n    }\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.scrollTop);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps X\n   * Erase Ps Character(s) (default = 1) (ECH).\n   */\n  public eraseChars(params: number[]): void {\n    let param, row, j, ch;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n    j = this._terminal.buffer.x;\n    ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n    while (param-- && j < this._terminal.cols) {\n      this._terminal.buffer.lines.get(row)[j++] = ch;\n    }\n  }\n\n  /**\n   * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n   */\n  public cursorBackwardTab(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.x = this._terminal.prevStop();\n    }\n  }\n\n  /**\n   * CSI Pm `  Character Position Absolute\n   *   [column] (default = [row,1]) (HPA).\n   */\n  public charPosAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x = param - 1;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Pm a  Character Position Relative\n   *   [columns] (default = [row,col+1]) (HPR)\n   * reuse CSI Ps C ?\n   */\n  public HPositionRelative(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x += param;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps b  Repeat the preceding graphic character Ps times (REP).\n   */\n  public repeatPrecedingCharacter(params: number[]): void {\n    let param = params[0] || 1\n      , line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + this._terminal.buffer.y)\n      , ch = line[this._terminal.buffer.x - 1] || [this._terminal.defAttr, ' ', 1];\n\n    while (param--) {\n      line[this._terminal.buffer.x++] = ch;\n    }\n  }\n\n  /**\n   * CSI Ps c  Send Device Attributes (Primary DA).\n   *     Ps = 0  or omitted -> request attributes from terminal.  The\n   *     response depends on the decTerminalID resource setting.\n   *     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')\n   *     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')\n   *     -> CSI ? 6 c  (``VT102'')\n   *     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')\n   *   The VT100-style response parameters do not mean anything by\n   *   themselves.  VT220 parameters do, telling the host what fea-\n   *   tures the terminal supports:\n   *     Ps = 1  -> 132-columns.\n   *     Ps = 2  -> Printer.\n   *     Ps = 6  -> Selective erase.\n   *     Ps = 8  -> User-defined keys.\n   *     Ps = 9  -> National replacement character sets.\n   *     Ps = 1 5  -> Technical characters.\n   *     Ps = 2 2  -> ANSI color, e.g., VT525.\n   *     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).\n   * CSI > Ps c\n   *   Send Device Attributes (Secondary DA).\n   *     Ps = 0  or omitted -> request the terminal's identification\n   *     code.  The response depends on the decTerminalID resource set-\n   *     ting.  It should apply only to VT220 and up, but xterm extends\n   *     this to VT100.\n   *     -> CSI  > Pp ; Pv ; Pc c\n   *   where Pp denotes the terminal type\n   *     Pp = 0  -> ``VT100''.\n   *     Pp = 1  -> ``VT220''.\n   *   and Pv is the firmware version (for xterm, this was originally\n   *   the XFree86 patch number, starting with 95).  In a DEC termi-\n   *   nal, Pc indicates the ROM cartridge registration number and is\n   *   always zero.\n   * More information:\n   *   xterm/charproc.c - line 2012, for more information.\n   *   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n   */\n  public sendDeviceAttributes(params: number[]): void {\n    if (params[0] > 0) {\n      return;\n    }\n\n    if (!this._terminal.prefix) {\n      if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {\n        this._terminal.send(C0.ESC + '[?1;2c');\n      } else if (this._terminal.is('linux')) {\n        this._terminal.send(C0.ESC + '[?6c');\n      }\n    } else if (this._terminal.prefix === '>') {\n      // xterm and urxvt\n      // seem to spit this\n      // out around ~370 times (?).\n      if (this._terminal.is('xterm')) {\n        this._terminal.send(C0.ESC + '[>0;276;0c');\n      } else if (this._terminal.is('rxvt-unicode')) {\n        this._terminal.send(C0.ESC + '[>85;95;0c');\n      } else if (this._terminal.is('linux')) {\n        // not supported by linux console.\n        // linux console echoes parameters.\n        this._terminal.send(params[0] + 'c');\n      } else if (this._terminal.is('screen')) {\n        this._terminal.send(C0.ESC + '[>83;40003;0c');\n      }\n    }\n  }\n\n  /**\n   * CSI Pm d  Vertical Position Absolute (VPA)\n   *   [row] (default = [1,column])\n   */\n  public linePosAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y = param - 1;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n  }\n\n  /**\n   * CSI Pm e  Vertical Position Relative (VPR)\n   *   [rows] (default = [row+1,column])\n   * reuse CSI Ps B ?\n   */\n  public VPositionRelative(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * CSI Ps ; Ps f\n   *   Horizontal and Vertical Position [row;column] (default =\n   *   [1,1]) (HVP).\n   */\n  public HVPosition(params: number[]): void {\n    if (params[0] < 1) params[0] = 1;\n    if (params[1] < 1) params[1] = 1;\n\n    this._terminal.buffer.y = params[0] - 1;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n\n    this._terminal.buffer.x = params[1] - 1;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps g  Tab Clear (TBC).\n   *     Ps = 0  -> Clear Current Column (default).\n   *     Ps = 3  -> Clear All.\n   * Potentially:\n   *   Ps = 2  -> Clear Stops on Line.\n   *   http://vt100.net/annarbor/aaa-ug/section6.html\n   */\n  public tabClear(params: number[]): void {\n    let param = params[0];\n    if (param <= 0) {\n      delete this._terminal.buffer.tabs[this._terminal.buffer.x];\n    } else if (param === 3) {\n      this._terminal.buffer.tabs = {};\n    }\n  }\n\n  /**\n   * CSI Pm h  Set Mode (SM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Insert Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Automatic Newline (LNM).\n   * CSI ? Pm h\n   *   DEC Private Mode Set (DECSET).\n   *     Ps = 1  -> Application Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate USASCII for character sets G0-G3\n   *     (DECANM), and set VT100 mode.\n   *     Ps = 3  -> 132 Column Mode (DECCOLM).\n   *     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).\n   *     Ps = 5  -> Reverse Video (DECSCNM).\n   *     Ps = 6  -> Origin Mode (DECOM).\n   *     Ps = 7  -> Wraparound Mode (DECAWM).\n   *     Ps = 8  -> Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-\n   *     tion Mouse Tracking.\n   *     Ps = 1 0  -> Show toolbar (rxvt).\n   *     Ps = 1 2  -> Start Blinking Cursor (att610).\n   *     Ps = 1 8  -> Print form feed (DECPFF).\n   *     Ps = 1 9  -> Set print extent to full screen (DECPEX).\n   *     Ps = 2 5  -> Show Cursor (DECTCEM).\n   *     Ps = 3 0  -> Show scrollbar (rxvt).\n   *     Ps = 3 5  -> Enable font-shifting functions (rxvt).\n   *     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).\n   *     Ps = 4 0  -> Allow 80 -> 132 Mode.\n   *     Ps = 4 1  -> more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-\n   *     RCM).\n   *     Ps = 4 4  -> Turn On Margin Bell.\n   *     Ps = 4 5  -> Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Start Logging.  This is normally disabled by a\n   *     compile-time option.\n   *     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 6 6  -> Application keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).\n   *     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).\n   *     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Interpret \"meta\" key, sets eighth bit.\n   *     (enables the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-\n   *     Lock keys.  (This enables the numLock resource).\n   *     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This\n   *     enables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete\n   *     key.\n   *     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This\n   *     enables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Keep selection even if not highlighted.\n   *     (This enables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Enable Urgency window manager hint when\n   *     Control-G is received.  (This enables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Enable raising of the window when Control-G\n   *     is received.  (enables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate\n   *     Screen Buffer, clearing it first.  (This may be disabled by\n   *     the titeInhibit resource).  This combines the effects of the 1\n   *     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based\n   *     applications rather than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Set Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Set HP function-key mode.\n   *     Ps = 1 0 5 3  -> Set SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.\n   *     Ps = 2 0 0 4  -> Set bracketed paste mode.\n   * Modes:\n   *   http: *vt100.net/docs/vt220-rm/chapter4.html\n   */\n  public setMode(params: number[]): void {\n    if (params.length > 1) {\n      for (let i = 0; i < params.length; i++) {\n        this.setMode([params[i]]);\n      }\n\n      return;\n    }\n\n    if (!this._terminal.prefix) {\n      switch (params[0]) {\n        case 4:\n          this._terminal.insertMode = true;\n          break;\n        case 20:\n          // this._terminal.convertEol = true;\n          break;\n      }\n    } else if (this._terminal.prefix === '?') {\n      switch (params[0]) {\n        case 1:\n          this._terminal.applicationCursor = true;\n          break;\n        case 2:\n          this._terminal.setgCharset(0, DEFAULT_CHARSET);\n          this._terminal.setgCharset(1, DEFAULT_CHARSET);\n          this._terminal.setgCharset(2, DEFAULT_CHARSET);\n          this._terminal.setgCharset(3, DEFAULT_CHARSET);\n          // set VT100 mode here\n          break;\n        case 3: // 132 col mode\n          this._terminal.savedCols = this._terminal.cols;\n          this._terminal.resize(132, this._terminal.rows);\n          break;\n        case 6:\n          this._terminal.originMode = true;\n          break;\n        case 7:\n          this._terminal.wraparoundMode = true;\n          break;\n        case 12:\n          // this.cursorBlink = true;\n          break;\n        case 66:\n          this._terminal.log('Serial port requested application keypad.');\n          this._terminal.applicationKeypad = true;\n          this._terminal.viewport.syncScrollArea();\n          break;\n        case 9: // X10 Mouse\n          // no release, no motion, no wheel, no modifiers.\n        case 1000: // vt200 mouse\n          // no motion.\n          // no modifiers, except control on the wheel.\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          // any event - sends motion events,\n          // even if there is no button held down.\n\n          // TODO: Why are params[0] compares nested within a switch for params[0]?\n\n          this._terminal.x10Mouse = params[0] === 9;\n          this._terminal.vt200Mouse = params[0] === 1000;\n          this._terminal.normalMouse = params[0] > 1000;\n          this._terminal.mouseEvents = true;\n          this._terminal.element.classList.add('enable-mouse-events');\n          this._terminal.selectionManager.disable();\n          this._terminal.log('Binding to mouse events.');\n          break;\n        case 1004: // send focusin/focusout events\n          // focusin: ^[[I\n          // focusout: ^[[O\n          this._terminal.sendFocus = true;\n          break;\n        case 1005: // utf8 ext mode mouse\n          this._terminal.utfMouse = true;\n          // for wide terminals\n          // simply encodes large values as utf8 characters\n          break;\n        case 1006: // sgr ext mode mouse\n          this._terminal.sgrMouse = true;\n          // for wide terminals\n          // does not add 32 to fields\n          // press: ^[[<b;x;yM\n          // release: ^[[<b;x;ym\n          break;\n        case 1015: // urxvt ext mode mouse\n          this._terminal.urxvtMouse = true;\n          // for wide terminals\n          // numbers for fields\n          // press: ^[[b;x;yM\n          // motion: ^[[b;x;yT\n          break;\n        case 25: // show cursor\n          this._terminal.cursorHidden = false;\n          break;\n        case 1049: // alt screen buffer cursor\n          // TODO: Not sure if we need to save/restore after switching the buffer\n          // this.saveCursor(params);\n          // FALL-THROUGH\n        case 47: // alt screen buffer\n        case 1047: // alt screen buffer\n          this._terminal.buffers.activateAltBuffer();\n          this._terminal.viewport.syncScrollArea();\n          this._terminal.showCursor();\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI Pm l  Reset Mode (RM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Replace Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Normal Linefeed (LNM).\n   * CSI ? Pm l\n   *   DEC Private Mode Reset (DECRST).\n   *     Ps = 1  -> Normal Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate VT52 mode (DECANM).\n   *     Ps = 3  -> 80 Column Mode (DECCOLM).\n   *     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).\n   *     Ps = 5  -> Normal Video (DECSCNM).\n   *     Ps = 6  -> Normal Cursor Mode (DECOM).\n   *     Ps = 7  -> No Wraparound Mode (DECAWM).\n   *     Ps = 8  -> No Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Don't send Mouse X & Y on button press.\n   *     Ps = 1 0  -> Hide toolbar (rxvt).\n   *     Ps = 1 2  -> Stop Blinking Cursor (att610).\n   *     Ps = 1 8  -> Don't print form feed (DECPFF).\n   *     Ps = 1 9  -> Limit print to scrolling region (DECPEX).\n   *     Ps = 2 5  -> Hide Cursor (DECTCEM).\n   *     Ps = 3 0  -> Don't show scrollbar (rxvt).\n   *     Ps = 3 5  -> Disable font-shifting functions (rxvt).\n   *     Ps = 4 0  -> Disallow 80 -> 132 Mode.\n   *     Ps = 4 1  -> No more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-\n   *     NRCM).\n   *     Ps = 4 4  -> Turn Off Margin Bell.\n   *     Ps = 4 5  -> No Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a\n   *     compile-time option).\n   *     Ps = 4 7  -> Use Normal Screen Buffer.\n   *     Ps = 6 6  -> Numeric keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends delete (DECBKM).\n   *     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output\n   *     (rxvt).\n   *     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Don't interpret \"meta\" key.  (This disables\n   *     the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-\n   *     Lock keys.  (This disables the numLock resource).\n   *     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.\n   *     (This disables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad\n   *     Delete key.\n   *     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.\n   *     (This disables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.\n   *     (This disables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Disable Urgency window manager hint when\n   *     Control-G is received.  (This disables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Disable raising of the window when Control-\n   *     G is received.  (This disables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen\n   *     first if in the Alternate Screen.  (This may be disabled by\n   *     the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor\n   *     as in DECRC.  (This may be disabled by the titeInhibit\n   *     resource).  This combines the effects of the 1 0 4 7  and 1 0\n   *     4 8  modes.  Use this with terminfo-based applications rather\n   *     than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Reset Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Reset HP function-key mode.\n   *     Ps = 1 0 5 3  -> Reset SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.\n   *     Ps = 2 0 0 4  -> Reset bracketed paste mode.\n   */\n  public resetMode(params: number[]): void {\n    if (params.length > 1) {\n      for (let i = 0; i < params.length; i++) {\n        this.resetMode([params[i]]);\n      }\n\n      return;\n    }\n\n    if (!this._terminal.prefix) {\n      switch (params[0]) {\n        case 4:\n          this._terminal.insertMode = false;\n          break;\n        case 20:\n          // this._terminal.convertEol = false;\n          break;\n      }\n    } else if (this._terminal.prefix === '?') {\n      switch (params[0]) {\n        case 1:\n          this._terminal.applicationCursor = false;\n          break;\n        case 3:\n          if (this._terminal.cols === 132 && this._terminal.savedCols) {\n            this._terminal.resize(this._terminal.savedCols, this._terminal.rows);\n          }\n          delete this._terminal.savedCols;\n          break;\n        case 6:\n          this._terminal.originMode = false;\n          break;\n        case 7:\n          this._terminal.wraparoundMode = false;\n          break;\n        case 12:\n          // this.cursorBlink = false;\n          break;\n        case 66:\n          this._terminal.log('Switching back to normal keypad.');\n          this._terminal.applicationKeypad = false;\n          this._terminal.viewport.syncScrollArea();\n          break;\n        case 9: // X10 Mouse\n        case 1000: // vt200 mouse\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          this._terminal.x10Mouse = false;\n          this._terminal.vt200Mouse = false;\n          this._terminal.normalMouse = false;\n          this._terminal.mouseEvents = false;\n          this._terminal.element.classList.remove('enable-mouse-events');\n          this._terminal.selectionManager.enable();\n          break;\n        case 1004: // send focusin/focusout events\n          this._terminal.sendFocus = false;\n          break;\n        case 1005: // utf8 ext mode mouse\n          this._terminal.utfMouse = false;\n          break;\n        case 1006: // sgr ext mode mouse\n          this._terminal.sgrMouse = false;\n          break;\n        case 1015: // urxvt ext mode mouse\n          this._terminal.urxvtMouse = false;\n          break;\n        case 25: // hide cursor\n          this._terminal.cursorHidden = true;\n          break;\n        case 1049: // alt screen buffer cursor\n           // FALL-THROUGH\n        case 47: // normal screen buffer\n        case 1047: // normal screen buffer - clearing it first\n          // Ensure the selection manager has the correct buffer\n          this._terminal.buffers.activateNormalBuffer();\n          // TODO: Not sure if we need to save/restore after switching the buffer\n          // if (params[0] === 1049) {\n          //   this.restoreCursor(params);\n          // }\n          this._terminal.selectionManager.setBuffer(this._terminal.buffer.lines);\n          this._terminal.refresh(0, this._terminal.rows - 1);\n          this._terminal.viewport.syncScrollArea();\n          this._terminal.showCursor();\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI Pm m  Character Attributes (SGR).\n   *     Ps = 0  -> Normal (default).\n   *     Ps = 1  -> Bold.\n   *     Ps = 4  -> Underlined.\n   *     Ps = 5  -> Blink (appears as Bold).\n   *     Ps = 7  -> Inverse.\n   *     Ps = 8  -> Invisible, i.e., hidden (VT300).\n   *     Ps = 2 2  -> Normal (neither bold nor faint).\n   *     Ps = 2 4  -> Not underlined.\n   *     Ps = 2 5  -> Steady (not blinking).\n   *     Ps = 2 7  -> Positive (not inverse).\n   *     Ps = 2 8  -> Visible, i.e., not hidden (VT300).\n   *     Ps = 3 0  -> Set foreground color to Black.\n   *     Ps = 3 1  -> Set foreground color to Red.\n   *     Ps = 3 2  -> Set foreground color to Green.\n   *     Ps = 3 3  -> Set foreground color to Yellow.\n   *     Ps = 3 4  -> Set foreground color to Blue.\n   *     Ps = 3 5  -> Set foreground color to Magenta.\n   *     Ps = 3 6  -> Set foreground color to Cyan.\n   *     Ps = 3 7  -> Set foreground color to White.\n   *     Ps = 3 9  -> Set foreground color to default (original).\n   *     Ps = 4 0  -> Set background color to Black.\n   *     Ps = 4 1  -> Set background color to Red.\n   *     Ps = 4 2  -> Set background color to Green.\n   *     Ps = 4 3  -> Set background color to Yellow.\n   *     Ps = 4 4  -> Set background color to Blue.\n   *     Ps = 4 5  -> Set background color to Magenta.\n   *     Ps = 4 6  -> Set background color to Cyan.\n   *     Ps = 4 7  -> Set background color to White.\n   *     Ps = 4 9  -> Set background color to default (original).\n   *\n   *   If 16-color support is compiled, the following apply.  Assume\n   *   that xterm's resources are set so that the ISO color codes are\n   *   the first 8 of a set of 16.  Then the aixterm colors are the\n   *   bright versions of the ISO colors:\n   *     Ps = 9 0  -> Set foreground color to Black.\n   *     Ps = 9 1  -> Set foreground color to Red.\n   *     Ps = 9 2  -> Set foreground color to Green.\n   *     Ps = 9 3  -> Set foreground color to Yellow.\n   *     Ps = 9 4  -> Set foreground color to Blue.\n   *     Ps = 9 5  -> Set foreground color to Magenta.\n   *     Ps = 9 6  -> Set foreground color to Cyan.\n   *     Ps = 9 7  -> Set foreground color to White.\n   *     Ps = 1 0 0  -> Set background color to Black.\n   *     Ps = 1 0 1  -> Set background color to Red.\n   *     Ps = 1 0 2  -> Set background color to Green.\n   *     Ps = 1 0 3  -> Set background color to Yellow.\n   *     Ps = 1 0 4  -> Set background color to Blue.\n   *     Ps = 1 0 5  -> Set background color to Magenta.\n   *     Ps = 1 0 6  -> Set background color to Cyan.\n   *     Ps = 1 0 7  -> Set background color to White.\n   *\n   *   If xterm is compiled with the 16-color support disabled, it\n   *   supports the following, from rxvt:\n   *     Ps = 1 0 0  -> Set foreground and background color to\n   *     default.\n   *\n   *   If 88- or 256-color support is compiled, the following apply.\n   *     Ps = 3 8  ; 5  ; Ps -> Set foreground color to the second\n   *     Ps.\n   *     Ps = 4 8  ; 5  ; Ps -> Set background color to the second\n   *     Ps.\n   */\n  public charAttributes(params: number[]): void {\n    // Optimize a single SGR0.\n    if (params.length === 1 && params[0] === 0) {\n      this._terminal.curAttr = this._terminal.defAttr;\n      return;\n    }\n\n    let l = params.length\n    , i = 0\n    , flags = this._terminal.curAttr >> 18\n    , fg = (this._terminal.curAttr >> 9) & 0x1ff\n    , bg = this._terminal.curAttr & 0x1ff\n    , p;\n\n    for (; i < l; i++) {\n      p = params[i];\n      if (p >= 30 && p <= 37) {\n        // fg color 8\n        fg = p - 30;\n      } else if (p >= 40 && p <= 47) {\n        // bg color 8\n        bg = p - 40;\n      } else if (p >= 90 && p <= 97) {\n        // fg color 16\n        p += 8;\n        fg = p - 90;\n      } else if (p >= 100 && p <= 107) {\n        // bg color 16\n        p += 8;\n        bg = p - 100;\n      } else if (p === 0) {\n        // default\n        flags = this._terminal.defAttr >> 18;\n        fg = (this._terminal.defAttr >> 9) & 0x1ff;\n        bg = this._terminal.defAttr & 0x1ff;\n        // flags = 0;\n        // fg = 0x1ff;\n        // bg = 0x1ff;\n      } else if (p === 1) {\n        // bold text\n        flags |= 1;\n      } else if (p === 4) {\n        // underlined text\n        flags |= 2;\n      } else if (p === 5) {\n        // blink\n        flags |= 4;\n      } else if (p === 7) {\n        // inverse and positive\n        // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n        flags |= 8;\n      } else if (p === 8) {\n        // invisible\n        flags |= 16;\n      } else if (p === 22) {\n        // not bold\n        flags &= ~1;\n      } else if (p === 24) {\n        // not underlined\n        flags &= ~2;\n      } else if (p === 25) {\n        // not blink\n        flags &= ~4;\n      } else if (p === 27) {\n        // not inverse\n        flags &= ~8;\n      } else if (p === 28) {\n        // not invisible\n        flags &= ~16;\n      } else if (p === 39) {\n        // reset fg\n        fg = (this._terminal.defAttr >> 9) & 0x1ff;\n      } else if (p === 49) {\n        // reset bg\n        bg = this._terminal.defAttr & 0x1ff;\n      } else if (p === 38) {\n        // fg color 256\n        if (params[i + 1] === 2) {\n          i += 2;\n          fg = this._terminal.matchColor(\n            params[i] & 0xff,\n            params[i + 1] & 0xff,\n            params[i + 2] & 0xff);\n          if (fg === -1) fg = 0x1ff;\n          i += 2;\n        } else if (params[i + 1] === 5) {\n          i += 2;\n          p = params[i] & 0xff;\n          fg = p;\n        }\n      } else if (p === 48) {\n        // bg color 256\n        if (params[i + 1] === 2) {\n          i += 2;\n          bg = this._terminal.matchColor(\n            params[i] & 0xff,\n            params[i + 1] & 0xff,\n            params[i + 2] & 0xff);\n          if (bg === -1) bg = 0x1ff;\n          i += 2;\n        } else if (params[i + 1] === 5) {\n          i += 2;\n          p = params[i] & 0xff;\n          bg = p;\n        }\n      } else if (p === 100) {\n        // reset fg/bg\n        fg = (this._terminal.defAttr >> 9) & 0x1ff;\n        bg = this._terminal.defAttr & 0x1ff;\n      } else {\n        this._terminal.error('Unknown SGR attribute: %d.', p);\n      }\n    }\n\n    this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;\n  }\n\n  /**\n   * CSI Ps n  Device Status Report (DSR).\n   *     Ps = 5  -> Status Report.  Result (``OK'') is\n   *   CSI 0 n\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column].\n   *   Result is\n   *   CSI r ; c R\n   * CSI ? Ps n\n   *   Device Status Report (DSR, DEC-specific).\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI\n   *     ? r ; c R (assumes page is zero).\n   *     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).\n   *     or CSI ? 1 1  n  (not ready).\n   *     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)\n   *     or CSI ? 2 1  n  (locked).\n   *     Ps = 2 6  -> Report Keyboard status as\n   *   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).\n   *   The last two parameters apply to VT400 & up, and denote key-\n   *   board ready and LK01 respectively.\n   *     Ps = 5 3  -> Report Locator status as\n   *   CSI ? 5 3  n  Locator available, if compiled-in, or\n   *   CSI ? 5 0  n  No Locator, if not.\n   */\n  public deviceStatus(params: number[]): void {\n    if (!this._terminal.prefix) {\n      switch (params[0]) {\n        case 5:\n          // status report\n          this._terminal.send(C0.ESC + '[0n');\n          break;\n        case 6:\n          // cursor position\n          this._terminal.send(C0.ESC + '['\n                    + (this._terminal.buffer.y + 1)\n                    + ';'\n                    + (this._terminal.buffer.x + 1)\n                    + 'R');\n          break;\n      }\n    } else if (this._terminal.prefix === '?') {\n      // modern xterm doesnt seem to\n      // respond to any of these except ?6, 6, and 5\n      switch (params[0]) {\n        case 6:\n          // cursor position\n          this._terminal.send(C0.ESC + '[?'\n                    + (this._terminal.buffer.y + 1)\n                    + ';'\n                    + (this._terminal.buffer.x + 1)\n                    + 'R');\n          break;\n        case 15:\n          // no printer\n          // this.send(C0.ESC + '[?11n');\n          break;\n        case 25:\n          // dont support user defined keys\n          // this.send(C0.ESC + '[?21n');\n          break;\n        case 26:\n          // north american keyboard\n          // this.send(C0.ESC + '[?27;1;0;0n');\n          break;\n        case 53:\n          // no dec locator/mouse\n          // this.send(C0.ESC + '[?50n');\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI ! p   Soft terminal reset (DECSTR).\n   * http://vt100.net/docs/vt220-rm/table4-10.html\n   */\n  public softReset(params: number[]): void {\n    this._terminal.cursorHidden = false;\n    this._terminal.insertMode = false;\n    this._terminal.originMode = false;\n    this._terminal.wraparoundMode = true;  // defaults: xterm - true, vt100 - false\n    this._terminal.applicationKeypad = false; // ?\n    this._terminal.viewport.syncScrollArea();\n    this._terminal.applicationCursor = false;\n    this._terminal.buffer.scrollTop = 0;\n    this._terminal.buffer.scrollBottom = this._terminal.rows - 1;\n    this._terminal.curAttr = this._terminal.defAttr;\n    this._terminal.buffer.x = this._terminal.buffer.y = 0; // ?\n    this._terminal.charset = null;\n    this._terminal.glevel = 0; // ??\n    this._terminal.charsets = [null]; // ??\n  }\n\n  /**\n   * CSI Ps SP q  Set cursor style (DECSCUSR, VT520).\n   *   Ps = 0  -> blinking block.\n   *   Ps = 1  -> blinking block (default).\n   *   Ps = 2  -> steady block.\n   *   Ps = 3  -> blinking underline.\n   *   Ps = 4  -> steady underline.\n   *   Ps = 5  -> blinking bar (xterm).\n   *   Ps = 6  -> steady bar (xterm).\n   */\n  public setCursorStyle(params?: number[]): void {\n    const param = params[0] < 1 ? 1 : params[0];\n    switch (param) {\n      case 1:\n      case 2:\n        this._terminal.setOption('cursorStyle', 'block');\n        break;\n      case 3:\n      case 4:\n        this._terminal.setOption('cursorStyle', 'underline');\n        break;\n      case 5:\n      case 6:\n        this._terminal.setOption('cursorStyle', 'bar');\n        break;\n    }\n    const isBlinking = param % 2 === 1;\n    this._terminal.setOption('cursorBlink', isBlinking);\n  }\n\n  /**\n   * CSI Ps ; Ps r\n   *   Set Scrolling Region [top;bottom] (default = full size of win-\n   *   dow) (DECSTBM).\n   * CSI ? Pm r\n   */\n  public setScrollRegion(params: number[]): void {\n    if (this._terminal.prefix) return;\n    this._terminal.buffer.scrollTop = (params[0] || 1) - 1;\n    this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;\n    this._terminal.buffer.x = 0;\n    this._terminal.buffer.y = 0;\n  }\n\n\n  /**\n   * CSI s\n   *   Save cursor (ANSI.SYS).\n   */\n  public saveCursor(params: number[]): void {\n    this._terminal.buffer.savedX = this._terminal.buffer.x;\n    this._terminal.buffer.savedY = this._terminal.buffer.y;\n  }\n\n\n  /**\n   * CSI u\n   *   Restore cursor (ANSI.SYS).\n   */\n  public restoreCursor(params: number[]): void {\n    this._terminal.buffer.x = this._terminal.buffer.savedX || 0;\n    this._terminal.buffer.y = this._terminal.buffer.savedY || 0;\n  }\n}\n\nexport const wcwidth = (function(opts) {\n    // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n    // combining characters\n    const COMBINING_BMP = [\n      [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n      [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n      [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n      [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n      [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n      [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n      [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n      [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n      [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n      [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n      [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n      [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n      [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n      [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n      [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n      [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n      [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n      [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n      [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n      [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n      [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n      [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n      [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n      [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n      [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n      [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n      [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n      [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n      [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n      [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n      [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n      [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n      [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n      [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n      [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n      [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n      [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n      [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n      [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n      [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n      [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n      [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n      [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],\n    ];\n    const COMBINING_HIGH = [\n      [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n      [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n      [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n      [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n      [0xE0100, 0xE01EF]\n    ];\n    // binary search\n    function bisearch(ucs, data) {\n      let min = 0;\n      let max = data.length - 1;\n      let mid;\n      if (ucs < data[0][0] || ucs > data[max][1])\n        return false;\n      while (max >= min) {\n        mid = (min + max) >> 1;\n        if (ucs > data[mid][1])\n          min = mid + 1;\n        else if (ucs < data[mid][0])\n          max = mid - 1;\n        else\n          return true;\n      }\n      return false;\n    }\n    function wcwidthBMP(ucs) {\n      // test for 8-bit control characters\n      if (ucs === 0)\n        return opts.nul;\n      if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n        return opts.control;\n      // binary search in table of non-spacing characters\n      if (bisearch(ucs, COMBINING_BMP))\n        return 0;\n      // if we arrive here, ucs is not a combining or C0/C1 control character\n      if (isWideBMP(ucs)) {\n        return 2;\n      }\n      return 1;\n    }\n    function isWideBMP(ucs) {\n      return (\n        ucs >= 0x1100 && (\n        ucs <= 0x115f ||                // Hangul Jamo init. consonants\n        ucs === 0x2329 ||\n        ucs === 0x232a ||\n        (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||  // CJK..Yi\n        (ucs >= 0xac00 && ucs <= 0xd7a3) ||    // Hangul Syllables\n        (ucs >= 0xf900 && ucs <= 0xfaff) ||    // CJK Compat Ideographs\n        (ucs >= 0xfe10 && ucs <= 0xfe19) ||    // Vertical forms\n        (ucs >= 0xfe30 && ucs <= 0xfe6f) ||    // CJK Compat Forms\n        (ucs >= 0xff00 && ucs <= 0xff60) ||    // Fullwidth Forms\n        (ucs >= 0xffe0 && ucs <= 0xffe6)));\n    }\n    function wcwidthHigh(ucs) {\n      if (bisearch(ucs, COMBINING_HIGH))\n        return 0;\n      if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {\n        return 2;\n      }\n      return 1;\n    }\n    const control = opts.control | 0;\n    let table = null;\n    function init_table() {\n      // lookup table for BMP\n      const CODEPOINTS = 65536;  // BMP holds 65536 codepoints\n      const BITWIDTH = 2;        // a codepoint can have a width of 0, 1 or 2\n      const ITEMSIZE = 32;       // using uint32_t\n      const CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;\n      const CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;\n      table = (typeof Uint32Array === 'undefined')\n        ? new Array(CONTAINERSIZE)\n        : new Uint32Array(CONTAINERSIZE);\n      for (let i = 0; i < CONTAINERSIZE; ++i) {\n        let num = 0;\n        let pos = CODEPOINTS_PER_ITEM;\n        while (pos--)\n          num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);\n        table[i] = num;\n      }\n    return table;\n    }\n    // get width from lookup table\n    //   position in container   : num / CODEPOINTS_PER_ITEM\n    //     ==> n = table[Math.floor(num / 16)]\n    //     ==> n = table[num >> 4]\n    //   16 codepoints per number:       FFEEDDCCBBAA99887766554433221100\n    //   position in number      : (num % CODEPOINTS_PER_ITEM) * BITWIDTH\n    //     ==> m = (n % 16) * 2\n    //     ==> m = (num & 15) << 1\n    //   right shift to position m\n    //     ==> n = n >> m     e.g. m=12  000000000000FFEEDDCCBBAA99887766\n    //   we are only interested in 2 LSBs, cut off higher bits\n    //     ==> n = n & 3      e.g.       000000000000000000000000000000XX\n    return function (num) {\n      num = num | 0;  // get asm.js like optimization under V8\n      if (num < 32)\n        return control | 0;\n      if (num < 127)\n        return 1;\n      let t = table || init_table();\n      if (num < 65536)\n        return t[num >> 4] >> ((num & 15) << 1) & 3;\n      // do a full search for high codepoints\n      return wcwidthHigh(num);\n    };\n})({nul: 0, control: 0});  // configurable options\n","/**\n * @license MIT\n */\n\nimport { IEventEmitter } from './Interfaces';\n\ninterface ListenerType {\n    (): void;\n    listener?: () => void;\n};\n\nexport class EventEmitter implements IEventEmitter {\n  private _events: {[type: string]: ListenerType[]};\n\n  constructor() {\n    // Restore the previous events if available, this will happen if the\n    // constructor is called multiple times on the same object (terminal reset).\n    this._events = this._events || {};\n  }\n\n  public on(type, listener): void {\n    this._events[type] = this._events[type] || [];\n    this._events[type].push(listener);\n  }\n\n  public off(type, listener): void {\n    if (!this._events[type]) {\n      return;\n    }\n\n    let obj = this._events[type];\n    let i = obj.length;\n\n    while (i--) {\n      if (obj[i] === listener || obj[i].listener === listener) {\n        obj.splice(i, 1);\n        return;\n      }\n    }\n  }\n\n  public removeAllListeners(type): void {\n    if (this._events[type]) {\n       delete this._events[type];\n    }\n  }\n\n  public once(type, listener): any {\n    function on() {\n      let args = Array.prototype.slice.call(arguments);\n      this.off(type, on);\n      return listener.apply(this, args);\n    }\n    (<any>on).listener = listener;\n    return this.on(type, on);\n  }\n\n  public emit(type: string, ...args: any[]): void {\n    if (!this._events[type]) {\n      return;\n    }\n    let obj = this._events[type];\n    for (let i = 0; i < obj.length; i++) {\n      obj[i].apply(this, args);\n    }\n  }\n\n  public listeners(type): ListenerType[] {\n    return this._events[type] || [];\n  }\n}\n","/**\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n  /** Null (Caret = ^@, C = \\0) */\n  export const NUL = '\\x00';\n  /** Start of Heading (Caret = ^A) */\n  export const SOH = '\\x01';\n  /** Start of Text (Caret = ^B) */\n  export const STX = '\\x02';\n  /** End of Text (Caret = ^C) */\n  export const ETX = '\\x03';\n  /** End of Transmission (Caret = ^D) */\n  export const EOT = '\\x04';\n  /** Enquiry (Caret = ^E) */\n  export const ENQ = '\\x05';\n  /** Acknowledge (Caret = ^F) */\n  export const ACK = '\\x06';\n  /** Bell (Caret = ^G, C = \\a) */\n  export const BEL = '\\x07';\n  /** Backspace (Caret = ^H, C = \\b) */\n  export const BS  = '\\x08';\n  /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n  export const HT  = '\\x09';\n  /** Line Feed (Caret = ^J, C = \\n) */\n  export const LF  = '\\x0a';\n  /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n  export const VT  = '\\x0b';\n  /** Form Feed (Caret = ^L, C = \\f) */\n  export const FF  = '\\x0c';\n  /** Carriage Return (Caret = ^M, C = \\r) */\n  export const CR  = '\\x0d';\n  /** Shift Out (Caret = ^N) */\n  export const SO  = '\\x0e';\n  /** Shift In (Caret = ^O) */\n  export const SI  = '\\x0f';\n  /** Data Link Escape (Caret = ^P) */\n  export const DLE = '\\x10';\n  /** Device Control One (XON) (Caret = ^Q) */\n  export const DC1 = '\\x11';\n  /** Device Control Two (Caret = ^R) */\n  export const DC2 = '\\x12';\n  /** Device Control Three (XOFF) (Caret = ^S) */\n  export const DC3 = '\\x13';\n  /** Device Control Four (Caret = ^T) */\n  export const DC4 = '\\x14';\n  /** Negative Acknowledge (Caret = ^U) */\n  export const NAK = '\\x15';\n  /** Synchronous Idle (Caret = ^V) */\n  export const SYN = '\\x16';\n  /** End of Transmission Block (Caret = ^W) */\n  export const ETB = '\\x17';\n  /** Cancel (Caret = ^X) */\n  export const CAN = '\\x18';\n  /** End of Medium (Caret = ^Y) */\n  export const EM  = '\\x19';\n  /** Substitute (Caret = ^Z) */\n  export const SUB = '\\x1a';\n  /** Escape (Caret = ^[, C = \\e) */\n  export const ESC = '\\x1b';\n  /** File Separator (Caret = ^\\) */\n  export const FS  = '\\x1c';\n  /** Group Separator (Caret = ^]) */\n  export const GS  = '\\x1d';\n  /** Record Separator (Caret = ^^) */\n  export const RS  = '\\x1e';\n  /** Unit Separator (Caret = ^_) */\n  export const US  = '\\x1f';\n  /** Space */\n  export const SP  = '\\x20';\n  /** Delete (Caret = ^?) */\n  export const DEL = '\\x7f';\n};\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\ninterface IPosition {\n  start: number;\n  end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n  /**\n   * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n   * IME. This variable determines whether the compositionText should be displayed on the UI.\n   */\n  private isComposing: boolean;\n\n  /**\n   * The position within the input textarea's value of the current composition.\n   */\n  private compositionPosition: IPosition;\n\n  /**\n   * Whether a composition is in the process of being sent, setting this to false will cancel any\n   * in-progress composition.\n   */\n  private isSendingComposition: boolean;\n\n  /**\n   * Creates a new CompositionHelper.\n   * @param textarea The textarea that xterm uses for input.\n   * @param compositionView The element to display the in-progress composition in.\n   * @param terminal The Terminal to forward the finished composition to.\n   */\n  constructor(\n    private textarea: HTMLTextAreaElement,\n    private compositionView: HTMLElement,\n    private terminal: ITerminal\n  ) {\n    this.isComposing = false;\n    this.isSendingComposition = false;\n    this.compositionPosition = { start: null, end: null };\n  }\n\n  /**\n   * Handles the compositionstart event, activating the composition view.\n   */\n  public compositionstart() {\n    this.isComposing = true;\n    this.compositionPosition.start = this.textarea.value.length;\n    this.compositionView.textContent = '';\n    this.compositionView.classList.add('active');\n  }\n\n  /**\n   * Handles the compositionupdate event, updating the composition view.\n   * @param {CompositionEvent} ev The event.\n   */\n  public compositionupdate(ev: CompositionEvent) {\n    this.compositionView.textContent = ev.data;\n    this.updateCompositionElements();\n    setTimeout(() => {\n      this.compositionPosition.end = this.textarea.value.length;\n    }, 0);\n  }\n\n  /**\n   * Handles the compositionend event, hiding the composition view and sending the composition to\n   * the handler.\n   */\n  public compositionend() {\n    this.finalizeComposition(true);\n  }\n\n  /**\n   * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n   * @param ev The keydown event.\n   * @return Whether the Terminal should continue processing the keydown event.\n   */\n  public keydown(ev: KeyboardEvent) {\n    if (this.isComposing || this.isSendingComposition) {\n      if (ev.keyCode === 229) {\n        // Continue composing if the keyCode is the \"composition character\"\n        return false;\n      } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n        // Continue composing if the keyCode is a modifier key\n        return false;\n      } else {\n        // Finish composition immediately. This is mainly here for the case where enter is\n        // pressed and the handler needs to be triggered before the command is executed.\n        this.finalizeComposition(false);\n      }\n    }\n\n    if (ev.keyCode === 229) {\n      // If the \"composition character\" is used but gets to this point it means a non-composition\n      // character (eg. numbers and punctuation) was pressed when the IME was active.\n      this.handleAnyTextareaChanges();\n      return false;\n    }\n\n    return true;\n  }\n\n  /**\n   * Finalizes the composition, resuming regular input actions. This is called when a composition\n   * is ending.\n   * @param waitForPropogation Whether to wait for events to propogate before sending\n   *   the input. This should be false if a non-composition keystroke is entered before the\n   *   compositionend event is triggered, such as enter, so that the composition is send before\n   *   the command is executed.\n   */\n  private finalizeComposition(waitForPropogation: boolean) {\n    this.compositionView.classList.remove('active');\n    this.isComposing = false;\n    this.clearTextareaPosition();\n\n    if (!waitForPropogation) {\n      // Cancel any delayed composition send requests and send the input immediately.\n      this.isSendingComposition = false;\n      const input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);\n      this.terminal.handler(input);\n    } else {\n      // Make a deep copy of the composition position here as a new compositionstart event may\n      // fire before the setTimeout executes.\n      const currentCompositionPosition = {\n        start: this.compositionPosition.start,\n        end: this.compositionPosition.end,\n      };\n\n      // Since composition* events happen before the changes take place in the textarea on most\n      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n      // complete. This ensures the correct character is retrieved, this solution was used\n      // because:\n      // - The compositionend event's data property is unreliable, at least on Chromium\n      // - The last compositionupdate event's data property does not always accurately describe\n      //   the character, a counter example being Korean where an ending consonsant can move to\n      //   the following character if the following input is a vowel.\n      this.isSendingComposition = true;\n      setTimeout(() => {\n        // Ensure that the input has not already been sent\n        if (this.isSendingComposition) {\n          this.isSendingComposition = false;\n          let input;\n          if (this.isComposing) {\n            // Use the end position to get the string if a new composition has started.\n            input = this.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n          } else {\n            // Don't use the end position here in order to pick up any characters after the\n            // composition has finished, for example when typing a non-composition character\n            // (eg. 2) after a composition character.\n            input = this.textarea.value.substring(currentCompositionPosition.start);\n          }\n          this.terminal.handler(input);\n        }\n      }, 0);\n    }\n  }\n\n  /**\n   * Apply any changes made to the textarea after the current event chain is allowed to complete.\n   * This should be called when not currently composing but a keydown event with the \"composition\n   * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n   * IME is active.\n   */\n  private handleAnyTextareaChanges() {\n    const oldValue = this.textarea.value;\n    setTimeout(() => {\n      // Ignore if a composition has started since the timeout\n      if (!this.isComposing) {\n        const newValue = this.textarea.value;\n        const diff = newValue.replace(oldValue, '');\n        if (diff.length > 0) {\n          this.terminal.handler(diff);\n        }\n      }\n    }, 0);\n  }\n\n  /**\n   * Positions the composition view on top of the cursor and the textarea just below it (so the\n   * IME helper dialog is positioned correctly).\n   * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n   *   necessary as the IME events across browsers are not consistently triggered.\n   */\n  public updateCompositionElements(dontRecurse?: boolean) {\n    if (!this.isComposing) {\n      return;\n    }\n    const cursor = <HTMLElement>this.terminal.element.querySelector('.terminal-cursor');\n    if (cursor) {\n      // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within\n      // the .xterm element.\n      const xtermRows = <HTMLElement>this.terminal.element.querySelector('.xterm-rows');\n      const cursorTop = xtermRows.offsetTop + cursor.offsetTop;\n\n      this.compositionView.style.left = cursor.offsetLeft + 'px';\n      this.compositionView.style.top = cursorTop + 'px';\n      this.compositionView.style.height = cursor.offsetHeight + 'px';\n      this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';\n      // Sync the textarea to the exact position of the composition view so the IME knows where the\n      // text is.\n      const compositionViewBounds = this.compositionView.getBoundingClientRect();\n      this.textarea.style.left = cursor.offsetLeft + 'px';\n      this.textarea.style.top = cursorTop + 'px';\n      this.textarea.style.width = compositionViewBounds.width + 'px';\n      this.textarea.style.height = compositionViewBounds.height + 'px';\n      this.textarea.style.lineHeight = compositionViewBounds.height + 'px';\n    }\n    if (!dontRecurse) {\n      setTimeout(() => this.updateCompositionElements(true), 0);\n    }\n  };\n\n  /**\n   * Clears the textarea's position so that the cursor does not blink on IE.\n   * @private\n   */\n  private clearTextareaPosition() {\n    this.textarea.style.left = '';\n    this.textarea.style.top = '';\n  };\n}\n","/**\n * @license MIT\n */\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: {[key: string]: {[key: string]: string}} = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n  '`': '\\u25c6', // '◆'\n  'a': '\\u2592', // '▒'\n  'b': '\\u0009', // '\\t'\n  'c': '\\u000c', // '\\f'\n  'd': '\\u000d', // '\\r'\n  'e': '\\u000a', // '\\n'\n  'f': '\\u00b0', // '°'\n  'g': '\\u00b1', // '±'\n  'h': '\\u2424', // '\\u2424' (NL)\n  'i': '\\u000b', // '\\v'\n  'j': '\\u2518', // '┘'\n  'k': '\\u2510', // '┐'\n  'l': '\\u250c', // '┌'\n  'm': '\\u2514', // '└'\n  'n': '\\u253c', // '┼'\n  'o': '\\u23ba', // '⎺'\n  'p': '\\u23bb', // '⎻'\n  'q': '\\u2500', // '─'\n  'r': '\\u23bc', // '⎼'\n  's': '\\u23bd', // '⎽'\n  't': '\\u251c', // '├'\n  'u': '\\u2524', // '┤'\n  'v': '\\u2534', // '┴'\n  'w': '\\u252c', // '┬'\n  'x': '\\u2502', // '│'\n  'y': '\\u2264', // '≤'\n  'z': '\\u2265', // '≥'\n  '{': '\\u03c0', // 'π'\n  '|': '\\u2260', // '≠'\n  '}': '\\u00a3', // '£'\n  '~': '\\u00b7'  // '·'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n  '#': '£'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = null;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n  '#': '£',\n  '@': '¾',\n  '[': 'ij',\n  '\\\\': '½',\n  ']': '|',\n  '{': '¨',\n  '|': 'f',\n  '}': '¼',\n  '~': '´'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n  '#': '£',\n  '@': 'à',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': '§',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': '¨'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n  '@': 'à',\n  '[': 'â',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  '`': 'ô',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': 'û'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n  '@': '§',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Ü',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'ß'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n  '#': '£',\n  '@': '§',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': 'é',\n  '`': 'ù',\n  '{': 'à',\n  '|': 'ò',\n  '}': 'è',\n  '~': 'ì'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n  '@': 'Ä',\n  '[': 'Æ',\n  '\\\\': 'Ø',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'ä',\n  '{': 'æ',\n  '|': 'ø',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n  '#': '£',\n  '@': '§',\n  '[': '¡',\n  '\\\\': 'Ñ',\n  ']': '¿',\n  '{': '°',\n  '|': 'ñ',\n  '}': 'ç'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n  '@': 'É',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n  '#': 'ù',\n  '@': 'à',\n  '[': 'é',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  '_': 'è',\n  '`': 'ô',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'û'\n};\n","/**\n * @license MIT\n */\n\nimport { ITerminal, IBufferSet } from './Interfaces';\nimport { Buffer } from './Buffer';\nimport { EventEmitter } from './EventEmitter';\n\n/**\n * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and\n * provides also utilities for working with them.\n */\nexport class BufferSet extends EventEmitter implements IBufferSet {\n  private _normal: Buffer;\n  private _alt: Buffer;\n  private _activeBuffer: Buffer;\n\n  /**\n   * Create a new BufferSet for the given terminal.\n   * @param {Terminal} terminal - The terminal the BufferSet will belong to\n   */\n  constructor(private _terminal: ITerminal) {\n    super();\n    this._normal = new Buffer(this._terminal);\n    this._normal.fillViewportRows();\n    this._alt = new Buffer(this._terminal);\n    this._activeBuffer = this._normal;\n  }\n\n  /**\n   * Returns the alt Buffer of the BufferSet\n   * @returns {Buffer}\n   */\n  public get alt(): Buffer {\n    return this._alt;\n  }\n\n  /**\n   * Returns the normal Buffer of the BufferSet\n   * @returns {Buffer}\n   */\n  public get active(): Buffer {\n    return this._activeBuffer;\n  }\n\n  /**\n   * Returns the currently active Buffer of the BufferSet\n   * @returns {Buffer}\n   */\n  public get normal(): Buffer {\n    return this._normal;\n  }\n\n  /**\n   * Sets the normal Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateNormalBuffer(): void {\n    // The alt buffer should always be cleared when we switch to the normal\n    // buffer. This frees up memory since the alt buffer should always be new\n    // when activated.\n    this._alt.clear();\n\n    this._activeBuffer = this._normal;\n    this.emit('activate', this._normal);\n  }\n\n  /**\n   * Sets the alt Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateAltBuffer(): void {\n    // Since the alt buffer is always cleared when the normal buffer is\n    // activated, we want to fill it when switching to it.\n    this._alt.fillViewportRows();\n\n    this._activeBuffer = this._alt;\n    this.emit('activate', this._alt);\n  }\n\n  /**\n   * Resizes both normal and alt buffers, adjusting their data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    this._normal.resize(newCols, newRows);\n    this._alt.resize(newCols, newRows);\n  }\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal, IBuffer } from './Interfaces';\nimport { CircularList } from './utils/CircularList';\n\n/**\n * This class represents a terminal buffer (an internal state of the terminal), where the\n * following information is stored (in high-level):\n *   - text content of this particular buffer\n *   - cursor position\n *   - scroll position\n */\nexport class Buffer implements IBuffer {\n  private _lines: CircularList<[number, string, number][]>;\n\n  public ydisp: number;\n  public ybase: number;\n  public y: number;\n  public x: number;\n  public scrollBottom: number;\n  public scrollTop: number;\n  public tabs: any;\n  public savedY: number;\n  public savedX: number;\n\n  /**\n   * Create a new Buffer.\n   * @param {Terminal} _terminal - The terminal the Buffer will belong to\n   * @param {number} ydisp - The scroll position of the Buffer in the viewport\n   * @param {number} ybase - The scroll position of the y cursor (ybase + y = the y position within the Buffer)\n   * @param {number} y - The cursor's y position after ybase\n   * @param {number} x - The cursor's x position after ybase\n   */\n  constructor(\n    private _terminal: ITerminal\n  ) {\n    this.clear();\n  }\n\n  public get lines(): CircularList<[number, string, number][]> {\n    return this._lines;\n  }\n\n  /**\n   * Fills the buffer's viewport with blank lines.\n   */\n  public fillViewportRows(): void {\n    if (this._lines.length === 0) {\n      let i = this._terminal.rows;\n      while (i--) {\n        this.lines.push(this._terminal.blankLine());\n      }\n    }\n  }\n\n  /**\n   * Clears the buffer to it's initial state, discarding all previous data.\n   */\n  public clear(): void {\n    this.ydisp = 0;\n    this.ybase = 0;\n    this.y = 0;\n    this.x = 0;\n    this.scrollBottom = 0;\n    this.scrollTop = 0;\n    this.tabs = {};\n    this._lines = new CircularList<[number, string, number][]>(this._terminal.scrollback);\n    this.scrollBottom = this._terminal.rows - 1;\n  }\n\n  /**\n   * Resizes the buffer, adjusting its data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    // Don't resize the buffer if it's empty and hasn't been used yet.\n    if (this._lines.length === 0) {\n      return;\n    }\n\n    // Deal with columns increasing (we don't do anything when columns reduce)\n    if (this._terminal.cols < newCols) {\n      const ch: [number, string, number] = [this._terminal.defAttr, ' ', 1]; // does xterm use the default attr?\n      for (let i = 0; i < this._lines.length; i++) {\n        // TODO: This should be removed, with tests setup for the case that was\n        // causing the underlying bug, see https://github.com/sourcelair/xterm.js/issues/824\n        if (this._lines.get(i) === undefined) {\n          this._lines.set(i, this._terminal.blankLine(undefined, undefined, newCols));\n        }\n        while (this._lines.get(i).length < newCols) {\n          this._lines.get(i).push(ch);\n        }\n      }\n    }\n\n    // Resize rows in both directions as needed\n    let addToY = 0;\n    if (this._terminal.rows < newRows) {\n      for (let y = this._terminal.rows; y < newRows; y++) {\n        if (this._lines.length < newRows + this.ybase) {\n          if (this.ybase > 0 && this._lines.length <= this.ybase + this.y + addToY + 1) {\n            // There is room above the buffer and there are no empty elements below the line,\n            // scroll up\n            this.ybase--;\n            addToY++;\n            if (this.ydisp > 0) {\n              // Viewport is at the top of the buffer, must increase downwards\n              this.ydisp--;\n            }\n          } else {\n            // Add a blank line if there is no buffer left at the top to scroll to, or if there\n            // are blank lines after the cursor\n            this._lines.push(this._terminal.blankLine(undefined, undefined, newCols));\n          }\n        }\n      }\n    } else { // (this._terminal.rows >= newRows)\n      for (let y = this._terminal.rows; y > newRows; y--) {\n        if (this._lines.length > newRows + this.ybase) {\n          if (this._lines.length > this.ybase + this.y + 1) {\n            // The line is a blank line below the cursor, remove it\n            this._lines.pop();\n          } else {\n            // The line is the cursor, scroll down\n            this.ybase++;\n            this.ydisp++;\n          }\n        }\n      }\n    }\n\n    // Make sure that the cursor stays on screen\n    if (this.y >= newRows) {\n      this.y = newRows - 1;\n    }\n    if (addToY) {\n      this.y += addToY;\n    }\n\n    if (this.x >= newCols) {\n      this.x = newCols - 1;\n    }\n\n    this.scrollTop = 0;\n    this.scrollBottom = newRows - 1;\n  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\ No newline at end of file
diff --git a/apps/static/js/pwstrength-bootstrap.js b/apps/static/js/pwstrength-bootstrap.js
new file mode 100755
index 000000000..957df08ea
--- /dev/null
+++ b/apps/static/js/pwstrength-bootstrap.js
@@ -0,0 +1,976 @@
+/*!
+* jQuery Password Strength plugin for Twitter Bootstrap
+* Version: 2.2.1
+*
+* Copyright (c) 2008-2013 Tane Piper
+* Copyright (c) 2013 Alejandro Blanco
+* Dual licensed under the MIT and GPL licenses.
+*/
+
+(function (jQuery) {
+// Source: src/i18n.js
+
+
+
+
+var i18n = {};
+
+(function (i18n, i18next) {
+    'use strict';
+
+    i18n.fallback = {
+        "wordMinLength": "Your password is too short",
+        "wordMaxLength": "Your password is too long",
+        "wordInvalidChar": "Your password contains an invalid character",
+        "wordNotEmail": "Do not use your email as your password",
+        "wordSimilarToUsername": "Your password cannot contain your username",
+        "wordTwoCharacterClasses": "Use different character classes",
+        "wordRepetitions": "Too many repetitions",
+        "wordSequences": "Your password contains sequences",
+        "errorList": "Errors:",
+        "veryWeak": "Very Weak",
+        "weak": "Weak",
+        "normal": "Normal",
+        "medium": "Medium",
+        "strong": "Strong",
+        "veryStrong": "Very Strong"
+    };
+
+    i18n.t = function (key) {
+        var result = '';
+
+        // Try to use i18next.com
+        if (i18next) {
+            result = i18next.t(key);
+        } else {
+            // Fallback to english
+            result = i18n.fallback[key];
+        }
+
+        return result === key ? '' : result;
+    };
+}(i18n, window.i18next));
+
+// Source: src/rules.js
+
+
+
+
+var rulesEngine = {};
+
+try {
+    if (!jQuery && module && module.exports) {
+        var jQuery = require("jquery"),
+            jsdom = require("jsdom").jsdom;
+        jQuery = jQuery(jsdom().defaultView);
+    }
+} catch (ignore) {}
+
+(function ($, rulesEngine) {
+    "use strict";
+    var validation = {};
+
+    rulesEngine.forbiddenSequences = [
+        "0123456789", "abcdefghijklmnopqrstuvwxyz", "qwertyuiop", "asdfghjkl",
+        "zxcvbnm", "!@#$%^&*()_+"
+    ];
+
+    validation.wordNotEmail = function (options, word, score) {
+        if (word.match(/^([\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+\.)*[\w\!\#$\%\&\'\*\+\-\/\=\?\^\`{\|\}\~]+@((((([a-z0-9]{1}[a-z0-9\-]{0,62}[a-z0-9]{1})|[a-z])\.)+[a-z]{2,6})|(\d{1,3}\.){3}\d{1,3}(\:\d{1,5})?)$/i)) {
+            return score;
+        }
+        return 0;
+    };
+
+    validation.wordMinLength = function (options, word, score) {
+        var wordlen = word.length,
+            lenScore = Math.pow(wordlen, options.rules.raisePower);
+        if (wordlen < options.common.minChar) {
+            lenScore = (lenScore + score);
+        }
+        return lenScore;
+    };
+
+    validation.wordMaxLength = function (options, word, score) {
+        var wordlen = word.length,
+            lenScore = Math.pow(wordlen, options.rules.raisePower);
+        if (wordlen > options.common.maxChar) {
+            return score;
+        }
+        return lenScore;
+    };
+
+    validation.wordInvalidChar = function (options, word, score) {
+        if (options.common.invalidCharsRegExp.test(word)) {
+            return score;
+        }
+        return 0;
+    };
+
+    validation.wordMinLengthStaticScore = function (options, word, score) {
+        return word.length < options.common.minChar ? 0 : score;
+    };
+
+    validation.wordMaxLengthStaticScore = function (options, word, score) {
+        return word.length > options.common.maxChar ? 0 : score;
+    };
+
+
+    validation.wordSimilarToUsername = function (options, word, score) {
+        var username = $(options.common.usernameField).val();
+        if (username && word.toLowerCase().match(username.replace(/[\-\[\]\/\{\}\(\)\*\+\=\?\:\.\\\^\$\|\!\,]/g, "\\$&").toLowerCase())) {
+            return score;
+        }
+        return 0;
+    };
+
+    validation.wordTwoCharacterClasses = function (options, word, score) {
+        if (word.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/) ||
+                (word.match(/([a-zA-Z])/) && word.match(/([0-9])/)) ||
+                (word.match(/(.[!,@,#,$,%,\^,&,*,?,_,~])/) && word.match(/[a-zA-Z0-9_]/))) {
+            return score;
+        }
+        return 0;
+    };
+
+    validation.wordRepetitions = function (options, word, score) {
+        if (word.match(/(.)\1\1/)) { return score; }
+        return 0;
+    };
+
+    validation.wordSequences = function (options, word, score) {
+        var found = false,
+            j;
+        if (word.length > 2) {
+            $.each(rulesEngine.forbiddenSequences, function (idx, seq) {
+                if (found) { return; }
+                var sequences = [seq, seq.split('').reverse().join('')];
+                $.each(sequences, function (idx, sequence) {
+                    for (j = 0; j < (word.length - 2); j += 1) { // iterate the word trough a sliding window of size 3:
+                        if (sequence.indexOf(word.toLowerCase().substring(j, j + 3)) > -1) {
+                            found = true;
+                        }
+                    }
+                });
+            });
+            if (found) { return score; }
+        }
+        return 0;
+    };
+
+    validation.wordLowercase = function (options, word, score) {
+        return word.match(/[a-z]/) && score;
+    };
+
+    validation.wordUppercase = function (options, word, score) {
+        return word.match(/[A-Z]/) && score;
+    };
+
+    validation.wordOneNumber = function (options, word, score) {
+        return word.match(/\d+/) && score;
+    };
+
+    validation.wordThreeNumbers = function (options, word, score) {
+        return word.match(/(.*[0-9].*[0-9].*[0-9])/) && score;
+    };
+
+    validation.wordOneSpecialChar = function (options, word, score) {
+        return word.match(/[!,@,#,$,%,\^,&,*,?,_,~]/) && score;
+    };
+
+    validation.wordTwoSpecialChar = function (options, word, score) {
+        return word.match(/(.*[!,@,#,$,%,\^,&,*,?,_,~].*[!,@,#,$,%,\^,&,*,?,_,~])/) && score;
+    };
+
+    validation.wordUpperLowerCombo = function (options, word, score) {
+        return word.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/) && score;
+    };
+
+    validation.wordLetterNumberCombo = function (options, word, score) {
+        return word.match(/([a-zA-Z])/) && word.match(/([0-9])/) && score;
+    };
+
+    validation.wordLetterNumberCharCombo = function (options, word, score) {
+        return word.match(/([a-zA-Z0-9].*[!,@,#,$,%,\^,&,*,?,_,~])|([!,@,#,$,%,\^,&,*,?,_,~].*[a-zA-Z0-9])/) && score;
+    };
+
+    validation.wordIsACommonPassword = function (options, word, score) {
+        if ($.inArray(word, options.rules.commonPasswords) >= 0) {
+            return score;
+        }
+        return 0;
+    };
+
+    rulesEngine.validation = validation;
+
+    rulesEngine.executeRules = function (options, word) {
+        var totalScore = 0;
+
+        $.each(options.rules.activated, function (rule, active) {
+            if (active) {
+                var score = options.rules.scores[rule],
+                    funct = rulesEngine.validation[rule],
+                    result,
+                    errorMessage;
+
+                if (!$.isFunction(funct)) {
+                    funct = options.rules.extra[rule];
+                }
+
+                if ($.isFunction(funct)) {
+                    result = funct(options, word, score);
+                    if (result) {
+                        totalScore += result;
+                    }
+                    if (result < 0 || (!$.isNumeric(result) && !result)) {
+                        errorMessage = options.ui.spanError(options, rule);
+                        if (errorMessage.length > 0) {
+                            options.instances.errors.push(errorMessage);
+                        }
+                    }
+                }
+            }
+        });
+
+        return totalScore;
+    };
+}(jQuery, rulesEngine));
+
+try {
+    if (module && module.exports) {
+        module.exports = rulesEngine;
+    }
+} catch (ignore) {}
+
+// Source: src/options.js
+
+
+
+
+var defaultOptions = {};
+
+defaultOptions.common = {};
+defaultOptions.common.minChar = 6;
+defaultOptions.common.maxChar = 20;
+defaultOptions.common.usernameField = "#username";
+defaultOptions.common.invalidCharsRegExp = new RegExp(/[\s,'"]/);
+defaultOptions.common.userInputs = [
+    // Selectors for input fields with user input
+];
+defaultOptions.common.onLoad = undefined;
+defaultOptions.common.onKeyUp = undefined;
+defaultOptions.common.onScore = undefined;
+defaultOptions.common.zxcvbn = false;
+defaultOptions.common.zxcvbnTerms = [
+    // List of disrecommended words
+];
+defaultOptions.common.events = ["keyup", "change", "paste"];
+defaultOptions.common.debug = false;
+
+defaultOptions.rules = {};
+defaultOptions.rules.extra = {};
+defaultOptions.rules.scores = {
+    wordNotEmail: -100,
+    wordMinLength: -50,
+    wordMaxLength: -50,
+    wordInvalidChar: -100,
+    wordSimilarToUsername: -100,
+    wordSequences: -20,
+    wordTwoCharacterClasses: 2,
+    wordRepetitions: -25,
+    wordLowercase: 1,
+    wordUppercase: 3,
+    wordOneNumber: 3,
+    wordThreeNumbers: 5,
+    wordOneSpecialChar: 3,
+    wordTwoSpecialChar: 5,
+    wordUpperLowerCombo: 2,
+    wordLetterNumberCombo: 2,
+    wordLetterNumberCharCombo: 2,
+    wordIsACommonPassword: -100
+};
+defaultOptions.rules.activated = {
+    wordNotEmail: true,
+    wordMinLength: true,
+    wordMaxLength: false,
+    wordInvalidChar: false,
+    wordSimilarToUsername: true,
+    wordSequences: true,
+    wordTwoCharacterClasses: true,
+    wordRepetitions: true,
+    wordLowercase: true,
+    wordUppercase: true,
+    wordOneNumber: true,
+    wordThreeNumbers: true,
+    wordOneSpecialChar: true,
+    wordTwoSpecialChar: true,
+    wordUpperLowerCombo: true,
+    wordLetterNumberCombo: true,
+    wordLetterNumberCharCombo: true,
+    wordIsACommonPassword: true
+};
+defaultOptions.rules.raisePower = 1.4;
+// List taken from https://github.com/danielmiessler/SecLists (MIT License)
+defaultOptions.rules.commonPasswords = [
+    '123456',
+    'password',
+    '12345678',
+    'qwerty',
+    '123456789',
+    '12345',
+    '1234',
+    '111111',
+    '1234567',
+    'dragon',
+    '123123',
+    'baseball',
+    'abc123',
+    'football',
+    'monkey',
+    'letmein',
+    '696969',
+    'shadow',
+    'master',
+    '666666',
+    'qwertyuiop',
+    '123321',
+    'mustang',
+    '1234567890',
+    'michael',
+    '654321',
+    'pussy',
+    'superman',
+    '1qaz2wsx',
+    '7777777',
+    'fuckyou',
+    '121212',
+    '000000',
+    'qazwsx',
+    '123qwe',
+    'killer',
+    'trustno1',
+    'jordan',
+    'jennifer',
+    'zxcvbnm',
+    'asdfgh',
+    'hunter',
+    'buster',
+    'soccer',
+    'harley',
+    'batman',
+    'andrew',
+    'tigger',
+    'sunshine',
+    'iloveyou',
+    'fuckme',
+    '2000',
+    'charlie',
+    'robert',
+    'thomas',
+    'hockey',
+    'ranger',
+    'daniel',
+    'starwars',
+    'klaster',
+    '112233',
+    'george',
+    'asshole',
+    'computer',
+    'michelle',
+    'jessica',
+    'pepper',
+    '1111',
+    'zxcvbn',
+    '555555',
+    '11111111',
+    '131313',
+    'freedom',
+    '777777',
+    'pass',
+    'fuck',
+    'maggie',
+    '159753',
+    'aaaaaa',
+    'ginger',
+    'princess',
+    'joshua',
+    'cheese',
+    'amanda',
+    'summer',
+    'love',
+    'ashley',
+    '6969',
+    'nicole',
+    'chelsea',
+    'biteme',
+    'matthew',
+    'access',
+    'yankees',
+    '987654321',
+    'dallas',
+    'austin',
+    'thunder',
+    'taylor',
+    'matrix'
+];
+
+defaultOptions.ui = {};
+defaultOptions.ui.bootstrap2 = false;
+defaultOptions.ui.bootstrap4 = false;
+defaultOptions.ui.colorClasses = [
+    "danger", "danger", "danger", "warning", "warning", "success"
+];
+defaultOptions.ui.showProgressBar = true;
+defaultOptions.ui.progressBarEmptyPercentage = 1;
+defaultOptions.ui.progressBarMinPercentage = 1;
+defaultOptions.ui.progressExtraCssClasses = '';
+defaultOptions.ui.progressBarExtraCssClasses = '';
+defaultOptions.ui.showPopover = false;
+defaultOptions.ui.popoverPlacement = "bottom";
+defaultOptions.ui.showStatus = false;
+defaultOptions.ui.spanError = function (options, key) {
+    "use strict";
+    var text = options.i18n.t(key);
+    if (!text) { return ''; }
+    return '<span style="color: #d52929">' + text + '</span>';
+};
+defaultOptions.ui.popoverError = function (options) {
+    "use strict";
+    var errors = options.instances.errors,
+        errorsTitle = options.i18n.t("errorList"),
+        message = "<div>" + errorsTitle + "<ul class='error-list' style='margin-bottom: 0;'>";
+
+    jQuery.each(errors, function (idx, err) {
+        message += "<li>" + err + "</li>";
+    });
+    message += "</ul></div>";
+    return message;
+};
+defaultOptions.ui.showVerdicts = true;
+defaultOptions.ui.showVerdictsInsideProgressBar = false;
+defaultOptions.ui.useVerdictCssClass = false;
+defaultOptions.ui.showErrors = false;
+defaultOptions.ui.showScore = false;
+defaultOptions.ui.container = undefined;
+defaultOptions.ui.viewports = {
+    progress: undefined,
+    verdict: undefined,
+    errors: undefined,
+    score: undefined
+};
+defaultOptions.ui.scores = [0, 14, 26, 38, 50];
+
+defaultOptions.i18n = {};
+defaultOptions.i18n.t = i18n.t;
+
+// Source: src/ui.js
+
+
+
+
+var ui = {};
+
+(function ($, ui) {
+    "use strict";
+
+    var statusClasses = ["error", "warning", "success"],
+        verdictKeys = [
+            "veryWeak", "weak", "normal", "medium", "strong", "veryStrong"
+        ];
+
+    ui.getContainer = function (options, $el) {
+        var $container;
+
+        $container = $(options.ui.container);
+        if (!($container && $container.length === 1)) {
+            $container = $el.parent();
+        }
+        return $container;
+    };
+
+    ui.findElement = function ($container, viewport, cssSelector) {
+        if (viewport) {
+            return $container.find(viewport).find(cssSelector);
+        }
+        return $container.find(cssSelector);
+    };
+
+    ui.getUIElements = function (options, $el) {
+        var $container, result;
+
+        if (options.instances.viewports) {
+            return options.instances.viewports;
+        }
+
+        $container = ui.getContainer(options, $el);
+
+        result = {};
+        result.$progressbar = ui.findElement($container, options.ui.viewports.progress, "div.progress");
+        if (options.ui.showVerdictsInsideProgressBar) {
+            result.$verdict = result.$progressbar.find("span.password-verdict");
+        }
+
+        if (!options.ui.showPopover) {
+            if (!options.ui.showVerdictsInsideProgressBar) {
+                result.$verdict = ui.findElement($container, options.ui.viewports.verdict, "span.password-verdict");
+            }
+            result.$errors = ui.findElement($container, options.ui.viewports.errors, "ul.error-list");
+        }
+        result.$score = ui.findElement($container, options.ui.viewports.score,
+                                       "span.password-score");
+
+        options.instances.viewports = result;
+        return result;
+    };
+
+    ui.initProgressBar = function (options, $el) {
+        var $container = ui.getContainer(options, $el),
+            progressbar = "<div class='progress ";
+
+        if (options.ui.bootstrap2) {
+            // Boostrap 2
+            progressbar += options.ui.progressBarExtraCssClasses +
+                "'><div class='";
+        } else {
+            // Bootstrap 3 & 4
+            progressbar += options.ui.progressExtraCssClasses + "'><div class='" +
+                options.ui.progressBarExtraCssClasses + " progress-";
+        }
+        progressbar += "bar'>";
+
+        if (options.ui.showVerdictsInsideProgressBar) {
+            progressbar += "<span class='password-verdict'></span>";
+        }
+
+        progressbar += "</div></div>";
+
+        if (options.ui.viewports.progress) {
+            $container.find(options.ui.viewports.progress).append(progressbar);
+        } else {
+            $(progressbar).insertAfter($el);
+        }
+    };
+
+    ui.initHelper = function (options, $el, html, viewport) {
+        var $container = ui.getContainer(options, $el);
+        if (viewport) {
+            $container.find(viewport).append(html);
+        } else {
+            $(html).insertAfter($el);
+        }
+    };
+
+    ui.initVerdict = function (options, $el) {
+        ui.initHelper(options, $el, "<span class='password-verdict'></span>",
+                      options.ui.viewports.verdict);
+    };
+
+    ui.initErrorList = function (options, $el) {
+        ui.initHelper(options, $el, "<ul class='error-list'></ul >",
+                      options.ui.viewports.errors);
+    };
+
+    ui.initScore = function (options, $el) {
+        ui.initHelper(options, $el, "<span class='password-score'></span>",
+                      options.ui.viewports.score);
+    };
+
+    ui.initPopover = function (options, $el) {
+        $el.popover("destroy");
+        $el.popover({
+            html: true,
+            placement: options.ui.popoverPlacement,
+            trigger: "manual",
+            content: " "
+        });
+    };
+
+    ui.initUI = function (options, $el) {
+        if (options.ui.showPopover) {
+            ui.initPopover(options, $el);
+        } else {
+            if (options.ui.showErrors) { ui.initErrorList(options, $el); }
+            if (options.ui.showVerdicts && !options.ui.showVerdictsInsideProgressBar) {
+                ui.initVerdict(options, $el);
+            }
+        }
+        if (options.ui.showProgressBar) {
+            ui.initProgressBar(options, $el);
+        }
+        if (options.ui.showScore) {
+            ui.initScore(options, $el);
+        }
+    };
+
+    ui.updateProgressBar = function (options, $el, cssClass, percentage) {
+        var $progressbar = ui.getUIElements(options, $el).$progressbar,
+            $bar = $progressbar.find(".progress-bar"),
+            cssPrefix = "progress-";
+
+        if (options.ui.bootstrap2) {
+            $bar = $progressbar.find(".bar");
+            cssPrefix = "";
+        }
+
+        $.each(options.ui.colorClasses, function (idx, value) {
+            if (options.ui.bootstrap4) {
+                $bar.removeClass("bg-" + value);
+            } else {
+                $bar.removeClass(cssPrefix + "bar-" + value);
+            }
+        });
+        if (options.ui.bootstrap4) {
+            $bar.addClass("bg-" + options.ui.colorClasses[cssClass]);
+        } else {
+            $bar.addClass(cssPrefix + "bar-" + options.ui.colorClasses[cssClass]);
+        }
+        $bar.css("width", percentage + '%');
+    };
+
+    ui.updateVerdict = function (options, $el, cssClass, text) {
+        var $verdict = ui.getUIElements(options, $el).$verdict;
+        $verdict.removeClass(options.ui.colorClasses.join(' '));
+        if (cssClass > -1) {
+            $verdict.addClass(options.ui.colorClasses[cssClass]);
+        }
+        if (options.ui.showVerdictsInsideProgressBar) {
+            $verdict.css('white-space', 'nowrap');
+        }
+        $verdict.html(text);
+    };
+
+    ui.updateErrors = function (options, $el, remove) {
+        var $errors = ui.getUIElements(options, $el).$errors,
+            html = "";
+
+        if (!remove) {
+            $.each(options.instances.errors, function (idx, err) {
+                html += "<li style='list-style-type:none;'>" + err + "</li>";
+            });
+        }
+        $errors.html(html);
+    };
+
+    ui.updateScore = function (options, $el, score, remove) {
+        var $score = ui.getUIElements(options, $el).$score,
+            html = "";
+
+        if (!remove) { html = score.toFixed(2); }
+        $score.html(html);
+    };
+
+    ui.updatePopover = function (options, $el, verdictText, remove) {
+        var popover = $el.data("bs.popover"),
+            html = "",
+            hide = true;
+
+        if (options.ui.showVerdicts &&
+                !options.ui.showVerdictsInsideProgressBar &&
+                verdictText.length > 0) {
+            html = "<h5><span class='password-verdict'>" + verdictText +
+                "</span></h5>";
+            hide = false;
+        }
+        if (options.ui.showErrors) {
+            if (options.instances.errors.length > 0) {
+                hide = false;
+            }
+            html += options.ui.popoverError(options);
+        }
+
+        if (hide || remove) {
+            $el.popover("hide");
+            return;
+        }
+
+        if (options.ui.bootstrap2) { popover = $el.data("popover"); }
+
+        if (popover.$arrow && popover.$arrow.parents("body").length > 0) {
+            $el.find("+ .popover .popover-content").html(html);
+        } else {
+            // It's hidden
+            popover.options.content = html;
+            $el.popover("show");
+        }
+    };
+
+    ui.updateFieldStatus = function (options, $el, cssClass, remove) {
+        var targetClass = options.ui.bootstrap2 ? ".control-group" : ".form-group",
+            $container = $el.parents(targetClass).first();
+
+        $.each(statusClasses, function (idx, css) {
+            if (!options.ui.bootstrap2) { css = "has-" + css; }
+            $container.removeClass(css);
+        });
+
+        if (remove) { return; }
+
+        cssClass = statusClasses[Math.floor(cssClass / 2)];
+        if (!options.ui.bootstrap2) { cssClass = "has-" + cssClass; }
+        $container.addClass(cssClass);
+    };
+
+    ui.percentage = function (options, score, maximun) {
+        var result = Math.floor(100 * score / maximun),
+            min = options.ui.progressBarMinPercentage;
+
+        result = result <= min ? min : result;
+        result = result > 100 ? 100 : result;
+        return result;
+    };
+
+    ui.getVerdictAndCssClass = function (options, score) {
+        var level, verdict;
+
+        if (score === undefined) { return ['', 0]; }
+
+        if (score <= options.ui.scores[0]) {
+            level = 0;
+        } else if (score < options.ui.scores[1]) {
+            level = 1;
+        } else if (score < options.ui.scores[2]) {
+            level = 2;
+        } else if (score < options.ui.scores[3]) {
+            level = 3;
+        } else if (score < options.ui.scores[4]) {
+            level = 4;
+        } else {
+            level = 5;
+        }
+
+        verdict = verdictKeys[level];
+
+        return [options.i18n.t(verdict), level];
+    };
+
+    ui.updateUI = function (options, $el, score) {
+        var cssClass, barPercentage, verdictText, verdictCssClass;
+
+        cssClass = ui.getVerdictAndCssClass(options, score);
+        verdictText = score === 0 ? '' : cssClass[0];
+        cssClass = cssClass[1];
+        verdictCssClass = options.ui.useVerdictCssClass ? cssClass : -1;
+
+        if (options.ui.showProgressBar) {
+            if (score === undefined) {
+                barPercentage = options.ui.progressBarEmptyPercentage;
+            } else {
+                barPercentage = ui.percentage(options, score, options.ui.scores[4]);
+            }
+            ui.updateProgressBar(options, $el, cssClass, barPercentage);
+            if (options.ui.showVerdictsInsideProgressBar) {
+                ui.updateVerdict(options, $el, verdictCssClass, verdictText);
+            }
+        }
+
+        if (options.ui.showStatus) {
+            ui.updateFieldStatus(options, $el, cssClass, score === undefined);
+        }
+
+        if (options.ui.showPopover) {
+            ui.updatePopover(options, $el, verdictText, score === undefined);
+        } else {
+            if (options.ui.showVerdicts && !options.ui.showVerdictsInsideProgressBar) {
+                ui.updateVerdict(options, $el, verdictCssClass, verdictText);
+            }
+            if (options.ui.showErrors) {
+                ui.updateErrors(options, $el, score === undefined);
+            }
+        }
+
+        if (options.ui.showScore) {
+            ui.updateScore(options, $el, score, score === undefined);
+        }
+    };
+}(jQuery, ui));
+
+// Source: src/methods.js
+
+
+
+
+var methods = {};
+
+(function ($, methods) {
+    "use strict";
+    var onKeyUp, onPaste, applyToAll;
+
+    onKeyUp = function (event) {
+        var $el = $(event.target),
+            options = $el.data("pwstrength-bootstrap"),
+            word = $el.val(),
+            userInputs,
+            verdictText,
+            verdictLevel,
+            score;
+
+        if (options === undefined) { return; }
+
+        options.instances.errors = [];
+        if (word.length === 0) {
+            score = undefined;
+        } else {
+            if (options.common.zxcvbn) {
+                userInputs = [];
+                $.each(options.common.userInputs.concat([options.common.usernameField]), function (idx, selector) {
+                    var value = $(selector).val();
+                    if (value) { userInputs.push(value); }
+                });
+                userInputs = userInputs.concat(options.common.zxcvbnTerms);
+                score = zxcvbn(word, userInputs).guesses;
+                score = Math.log(score) * Math.LOG2E;
+            } else {
+                score = rulesEngine.executeRules(options, word);
+            }
+            if ($.isFunction(options.common.onScore)) {
+                score = options.common.onScore(options, word, score);
+            }
+        }
+        ui.updateUI(options, $el, score);
+        verdictText = ui.getVerdictAndCssClass(options, score);
+        verdictLevel = verdictText[1];
+        verdictText = verdictText[0];
+
+        if (options.common.debug) {
+            console.log(score + ' - ' + verdictText);
+        }
+
+        if ($.isFunction(options.common.onKeyUp)) {
+            options.common.onKeyUp(event, {
+                score: score,
+                verdictText: verdictText,
+                verdictLevel: verdictLevel
+            });
+        }
+    };
+
+    onPaste = function (event) {
+        // This handler is necessary because the paste event fires before the
+        // content is actually in the input, so we cannot read its value right
+        // away. Therefore, the timeouts.
+        var $el = $(event.target),
+            word = $el.val(),
+            tries = 0,
+            callback;
+
+        callback = function () {
+            var newWord = $el.val();
+
+            if (newWord !== word) {
+                onKeyUp(event);
+            } else if (tries < 3) {
+                tries += 1;
+                setTimeout(callback, 100);
+            }
+        };
+
+        setTimeout(callback, 100);
+    };
+
+    methods.init = function (settings) {
+        this.each(function (idx, el) {
+            // Make it deep extend (first param) so it extends also the
+            // rules and other inside objects
+            var clonedDefaults = $.extend(true, {}, defaultOptions),
+                localOptions = $.extend(true, clonedDefaults, settings),
+                $el = $(el);
+
+            localOptions.instances = {};
+            $el.data("pwstrength-bootstrap", localOptions);
+
+            $.each(localOptions.common.events, function (idx, eventName) {
+                var handler = eventName === "paste" ? onPaste : onKeyUp;
+                $el.on(eventName, handler);
+            });
+
+            ui.initUI(localOptions, $el);
+            $el.trigger("keyup");
+
+            if ($.isFunction(localOptions.common.onLoad)) {
+                localOptions.common.onLoad();
+            }
+        });
+
+        return this;
+    };
+
+    methods.destroy = function () {
+        this.each(function (idx, el) {
+            var $el = $(el),
+                options = $el.data("pwstrength-bootstrap"),
+                elements = ui.getUIElements(options, $el);
+            elements.$progressbar.remove();
+            elements.$verdict.remove();
+            elements.$errors.remove();
+            $el.removeData("pwstrength-bootstrap");
+        });
+    };
+
+    methods.forceUpdate = function () {
+        this.each(function (idx, el) {
+            var event = { target: el };
+            onKeyUp(event);
+        });
+    };
+
+    methods.addRule = function (name, method, score, active) {
+        this.each(function (idx, el) {
+            var options = $(el).data("pwstrength-bootstrap");
+
+            options.rules.activated[name] = active;
+            options.rules.scores[name] = score;
+            options.rules.extra[name] = method;
+        });
+    };
+
+    applyToAll = function (rule, prop, value) {
+        this.each(function (idx, el) {
+            $(el).data("pwstrength-bootstrap").rules[prop][rule] = value;
+        });
+    };
+
+    methods.changeScore = function (rule, score) {
+        applyToAll.call(this, rule, "scores", score);
+    };
+
+    methods.ruleActive = function (rule, active) {
+        applyToAll.call(this, rule, "activated", active);
+    };
+
+    methods.ruleIsMet = function (rule) {
+        if ($.isFunction(rulesEngine.validation[rule])) {
+            if (rule === "wordMinLength") {
+                rule = "wordMinLengthStaticScore";
+            } else if (rule === "wordMaxLength") {
+                rule = "wordMaxLengthStaticScore";
+            }
+
+            var rulesMetCnt = 0;
+
+            this.each(function (idx, el) {
+                var options = $(el).data("pwstrength-bootstrap");
+
+                rulesMetCnt += rulesEngine.validation[rule](options, $(el).val(), 1);
+            });
+
+            return (rulesMetCnt === this.length);
+        }
+
+        $.error("Rule " + rule + " does not exist on jQuery.pwstrength-bootstrap.validation");
+    };
+
+    $.fn.pwstrength = function (method) {
+        var result;
+
+        if (methods[method]) {
+            result = methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
+        } else if (typeof method === "object" || !method) {
+            result = methods.init.apply(this, arguments);
+        } else {
+            $.error("Method " +  method + " does not exist on jQuery.pwstrength-bootstrap");
+        }
+
+        return result;
+    };
+}(jQuery, methods));
+}(jQuery));
\ No newline at end of file
diff --git a/apps/templates/_base_create_update.html b/apps/templates/_base_create_update.html
index a38a6133d..ec14da79b 100644
--- a/apps/templates/_base_create_update.html
+++ b/apps/templates/_base_create_update.html
@@ -5,6 +5,7 @@
 {% block custom_head_css_js %}
     <link href="{% static 'css/plugins/select2/select2.min.css' %}" rel="stylesheet">
     <script src="{% static 'js/plugins/select2/select2.full.min.js' %}"></script>
+    <script type="text/javascript" src="{% static 'js/pwstrength-bootstrap.js' %}"></script>
     {% block custom_head_css_js_create %} {% endblock %}
 {% endblock %}
 
diff --git a/apps/templates/_footer.html b/apps/templates/_footer.html
index f23c89399..c78f0da33 100644
--- a/apps/templates/_footer.html
+++ b/apps/templates/_footer.html
@@ -1,7 +1,7 @@
 <div class="footer fixed">
     <div class="pull-right">
-        Version <strong>1.2.1-{% include '_build.html' %}</strong> GPLv2.
-        <img style="display: none" src="http://www.jumpserver.org/img/evaluate_avatar1.jpg">
+        Version <strong>1.3.2-{% include '_build.html' %}</strong> GPLv2.
+        <!--<img style="display: none" src="http://www.jumpserver.org/img/evaluate_avatar1.jpg">-->
     </div>
     <div>
         <strong>Copyright</strong> 北京堆栈科技有限公司 &copy; 2014-2018
diff --git a/apps/terminal/api.py b/apps/terminal/api.py
index a964e9729..f5c76a73f 100644
--- a/apps/terminal/api.py
+++ b/apps/terminal/api.py
@@ -9,6 +9,7 @@ from django.core.cache import cache
 from django.shortcuts import get_object_or_404, redirect
 from django.utils import timezone
 from django.core.files.storage import default_storage
+from django.http.response import HttpResponseRedirectBase
 from django.http import HttpResponseNotFound
 from django.conf import settings
 
@@ -25,7 +26,7 @@ from .serializers import TerminalSerializer, StatusSerializer, \
     SessionSerializer, TaskSerializer, ReplaySerializer
 from .hands import IsSuperUserOrAppUser, IsAppUser, \
     IsSuperUserOrAppUserOrUserReadonly
-from .backends import get_command_store, get_multi_command_store, \
+from .backends import get_command_storage, get_multi_command_storage, \
     SessionCommandSerializer
 
 logger = logging.getLogger(__file__)
@@ -108,7 +109,9 @@ class StatusViewSet(viewsets.ModelViewSet):
     task_serializer_class = TaskSerializer
 
     def create(self, request, *args, **kwargs):
-        self.handle_sessions()
+        from_gua = self.request.query_params.get("from_guacamole", None)
+        if not from_gua:
+            self.handle_sessions()
         super().create(request, *args, **kwargs)
         tasks = self.request.user.terminal.task_set.filter(is_finished=False)
         serializer = self.task_serializer_class(tasks, many=True)
@@ -224,8 +227,8 @@ class CommandViewSet(viewsets.ViewSet):
     }
 
     """
-    command_store = get_command_store()
-    multi_command_storage = get_multi_command_store()
+    command_store = get_command_storage()
+    multi_command_storage = get_multi_command_storage()
     serializer_class = SessionCommandSerializer
     permission_classes = (IsSuperUserOrAppUser,)
 
@@ -255,10 +258,35 @@ class SessionReplayViewSet(viewsets.ViewSet):
     serializer_class = ReplaySerializer
     permission_classes = (IsSuperUserOrAppUser,)
     session = None
+    upload_to = 'replay'  # 仅添加到本地存储中
 
-    def gen_session_path(self):
+    def get_session_path(self, version=2):
+        """
+        获取session日志的文件路径
+        :param version: 原来后缀是 .gz，为了统一新版本改为 .replay.gz
+        :return:
+        """
+        suffix = '.replay.gz'
+        if version == 1:
+            suffix = '.gz'
         date = self.session.date_start.strftime('%Y-%m-%d')
-        return os.path.join(date, str(self.session.id) + '.gz')
+        return os.path.join(date, str(self.session.id) + suffix)
+
+    def get_local_path(self, version=2):
+        session_path = self.get_session_path(version=version)
+        if version == 2:
+            local_path = os.path.join(self.upload_to, session_path)
+        else:
+            local_path = session_path
+        return local_path
+
+    def save_to_storage(self, f):
+        local_path = self.get_local_path()
+        try:
+            name = default_storage.save(local_path, f)
+            return name, None
+        except OSError as e:
+            return None, e
 
     def create(self, request, *args, **kwargs):
         session_id = kwargs.get('pk')
@@ -267,91 +295,64 @@ class SessionReplayViewSet(viewsets.ViewSet):
 
         if serializer.is_valid():
             file = serializer.validated_data['file']
-            file_path = self.gen_session_path()
-            try:
-                default_storage.save(file_path, file)
-                return Response({'url': default_storage.url(file_path)},
-                                status=201)
-            except IOError:
-                return Response("Save error", status=500)
+            name, err = self.save_to_storage(file)
+            if not name:
+                msg = "Failed save replay `{}`: {}".format(session_id, err)
+                logger.error(msg)
+                return Response({'msg': str(err)}, status=400)
+            url = default_storage.url(name)
+            return Response({'url': url}, status=201)
         else:
-            logger.error(
-                'Update load data invalid: {}'.format(serializer.errors))
+            msg = 'Upload data invalid: {}'.format(serializer.errors)
+            logger.error(msg)
             return Response({'msg': serializer.errors}, status=401)
 
     def retrieve(self, request, *args, **kwargs):
         session_id = kwargs.get('pk')
         self.session = get_object_or_404(Session, id=session_id)
-        path = self.gen_session_path()
+        # 新版本和老版本的文件后缀不同
+        session_path = self.get_session_path()  # 存在外部存储上的路径
+        local_path = self.get_local_path()
+        local_path_v1 = self.get_local_path(version=1)
 
-        if default_storage.exists(path):
-            url = default_storage.url(path)
-            return redirect(url)
-        else:
-            configs = settings.TERMINAL_REPLAY_STORAGE.items()
-            if not configs:
-                return HttpResponseNotFound()
+        # 去default storage中查找
+        for _local_path in (local_path, local_path_v1, session_path):
+            if default_storage.exists(_local_path):
+                url = default_storage.url(_local_path)
+                return redirect(url)
 
-            for name, config in configs:
-                client = jms_storage.init(config)
-                date = self.session.date_start.strftime('%Y-%m-%d')
-                file_path = os.path.join(date, str(self.session.id) + '.replay.gz')
-                target_path = default_storage.base_location + '/' + path
+        # 去定义的外部storage查找
+        configs = settings.TERMINAL_REPLAY_STORAGE
+        configs = {k: v for k, v in configs.items() if v['TYPE'] != 'server'}
+        if not configs:
+            return HttpResponseNotFound()
 
-                if client and client.has_file(file_path) and \
-                        client.download_file(file_path, target_path):
-                    return redirect(default_storage.url(path))
-        return HttpResponseNotFound()
+        target_path = os.path.join(default_storage.base_location, local_path)   # 保存到storage的路径
+        target_dir = os.path.dirname(target_path)
+        if not os.path.isdir(target_dir):
+            os.makedirs(target_dir, exist_ok=True)
+        storage = jms_storage.get_multi_object_storage(configs)
+        ok, err = storage.download(session_path, target_path)
+        if not ok:
+            logger.error("Failed download replay file: {}".format(err))
+            return HttpResponseNotFound()
+        return redirect(default_storage.url(local_path))
 
 
-class SessionReplayV2ViewSet(viewsets.ViewSet):
+class SessionReplayV2ViewSet(SessionReplayViewSet):
     serializer_class = ReplaySerializer
     permission_classes = (IsSuperUserOrAppUser,)
     session = None
 
-    def gen_session_path(self):
-        date = self.session.date_start.strftime('%Y-%m-%d')
-        replay = {
-            "id": self.session.id,
-            # "width": 100,
-            # "heith": 100
-        }
-        if self.session.protocol == "ssh":
-            replay['type'] = "json"
-            replay['path'] = os.path.join(date, str(self.session.id) + '.gz')
-            return replay
-        elif self.session.protocol == "rdp":
-            replay['type'] = "mp4"
-            replay['path'] = os.path.join(date, str(self.session.id) + '.mp4')
-            return replay
-        else:
-            return replay
-
     def retrieve(self, request, *args, **kwargs):
-        session_id = kwargs.get('pk')
-        self.session = get_object_or_404(Session, id=session_id)
-        replay = self.gen_session_path()
-
-        if replay.get("path", "") == "":
-            return HttpResponseNotFound()
-
-        if default_storage.exists(replay["path"]):
-            replay["src"] = default_storage.url(replay["path"])
-            return Response(replay)
-        else:
-            configs = settings.TERMINAL_REPLAY_STORAGE.items()
-            if not configs:
-                return HttpResponseNotFound()
-
-            for name, config in configs:
-                client = jms_storage.init(config)
-
-                target_path = default_storage.base_location + '/' + replay["path"]
-
-                if client and client.has_file(replay["path"]) and \
-                        client.download_file(replay["path"], target_path):
-                    replay["src"] = default_storage.url(replay["path"])
-                    return Response(replay)
+        response = super().retrieve(request, *args, **kwargs)
+        data = {
+            'type': 'guacamole' if self.session.protocol == 'rdp' else 'json',
+            'src': '',
+        }
+        if isinstance(response, HttpResponseRedirectBase):
+            data['src'] = response.url
+            return Response(data)
         return HttpResponseNotFound()
 
 
diff --git a/apps/terminal/backends/__init__.py b/apps/terminal/backends/__init__.py
index ef1ba56a9..9a1c338f5 100644
--- a/apps/terminal/backends/__init__.py
+++ b/apps/terminal/backends/__init__.py
@@ -7,19 +7,19 @@ TYPE_ENGINE_MAPPING = {
 }
 
 
-def get_command_store():
-    params = settings.COMMAND_STORAGE
-    engine_class = import_module(params['ENGINE'])
-    storage = engine_class.CommandStore(params)
+def get_command_storage():
+    config = settings.COMMAND_STORAGE
+    engine_class = import_module(config['ENGINE'])
+    storage = engine_class.CommandStore(config)
     return storage
 
 
-def get_terminal_command_store():
+def get_terminal_command_storages():
     storage_list = {}
     for name, params in settings.TERMINAL_COMMAND_STORAGE.items():
         tp = params['TYPE']
         if tp == 'server':
-            storage = get_command_store()
+            storage = get_command_storage()
         else:
             if not TYPE_ENGINE_MAPPING.get(tp):
                 continue
@@ -29,9 +29,9 @@ def get_terminal_command_store():
     return storage_list
 
 
-def get_multi_command_store():
+def get_multi_command_storage():
     from .command.multi import CommandStore
-    storage_list = get_terminal_command_store().values()
+    storage_list = get_terminal_command_storages().values()
     storage = CommandStore(storage_list)
     return storage
 
diff --git a/apps/terminal/backends/command/es.py b/apps/terminal/backends/command/es.py
index 9c75fc978..dde8e1e95 100644
--- a/apps/terminal/backends/command/es.py
+++ b/apps/terminal/backends/command/es.py
@@ -1,41 +1,22 @@
 # -*- coding: utf-8 -*-
 #
 
-from jms_es_sdk import ESStore
+from jms_storage.es import ESStorage
 from .base import CommandBase
 from .models import AbstractSessionCommand
 
 
-class CommandStore(CommandBase, ESStore):
+class CommandStore(ESStorage, CommandBase):
     def __init__(self, params):
-        hosts = params.get('HOSTS', ['http://localhost'])
-        ESStore.__init__(self, hosts=hosts)
-
-    def save(self, command):
-        return ESStore.save(self, command)
-
-    def bulk_save(self, commands):
-        return ESStore.bulk_save(self, commands)
+        super().__init__(params)
 
     def filter(self, date_from=None, date_to=None,
                user=None, asset=None, system_user=None,
                input=None, session=None):
 
-        data = ESStore.filter(
-            self, date_from=date_from, date_to=date_to,
-            user=user, asset=asset, system_user=system_user,
-            input=input, session=session
-        )
+        data = super().filter(date_from=date_from, date_to=date_to,
+                              user=user, asset=asset, system_user=system_user,
+                              input=input, session=session)
         return AbstractSessionCommand.from_multi_dict(
             [item["_source"] for item in data["hits"] if item]
         )
-
-    def count(self, date_from=None, date_to=None,
-              user=None, asset=None, system_user=None,
-              input=None, session=None):
-        amount = ESStore.count(
-            self, date_from=date_from, date_to=date_to,
-            user=user, asset=asset, system_user=system_user,
-            input=input, session=session
-        )
-        return amount
diff --git a/apps/terminal/serializers.py b/apps/terminal/serializers.py
index 8c40315a7..c18c5023d 100644
--- a/apps/terminal/serializers.py
+++ b/apps/terminal/serializers.py
@@ -9,7 +9,7 @@ from rest_framework_bulk.serializers import BulkListSerializer
 from common.mixins import BulkSerializerMixin
 from common.utils import get_object_or_none
 from .models import Terminal, Status, Session, Task
-from .backends import get_multi_command_store
+from .backends import get_multi_command_storage
 
 
 class TerminalSerializer(serializers.ModelSerializer):
@@ -47,7 +47,7 @@ class TerminalSerializer(serializers.ModelSerializer):
 
 class SessionSerializer(serializers.ModelSerializer):
     command_amount = serializers.SerializerMethodField()
-    command_store = get_multi_command_store()
+    command_store = get_multi_command_storage()
 
     class Meta:
         model = Session
diff --git a/apps/terminal/templates/terminal/session_detail.html b/apps/terminal/templates/terminal/session_detail.html
index 88fb756ac..8bec6c50c 100644
--- a/apps/terminal/templates/terminal/session_detail.html
+++ b/apps/terminal/templates/terminal/session_detail.html
@@ -88,7 +88,7 @@
                                             <td>{% trans 'Replay session' %}:</td>
                                             <td>
                                                 <span class="pull-right">
-                                                    <button type="button" onclick="window.open('/luna/replay/{{ object.id }}','luna', 'height=600, width=800, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-primary btn-xs" id="btn_reset_password" style="width: 54px">{% trans 'Go' %}</button>
+                                                    <button type="button" onclick="window.open('/luna/replay/{{ object.id }}','luna', 'height=600, width=800, top=400, left=400, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-primary btn-xs" id="btn_reset_password" style="width: 54px">{% trans 'Go' %}</button>
                                                 </span>
                                             </td>
                                         </tr>
diff --git a/apps/terminal/templates/terminal/session_list.html b/apps/terminal/templates/terminal/session_list.html
index 63a2c9209..33ae09877 100644
--- a/apps/terminal/templates/terminal/session_list.html
+++ b/apps/terminal/templates/terminal/session_list.html
@@ -73,6 +73,7 @@
     <th class="text-center">{% trans 'System user' %}</th>
     <th class="text-center">{% trans 'Remote addr' %}</th>
     <th class="text-center">{% trans 'Protocol' %}</th>
+    <th class="text-center">{% trans 'Login from' %}</th>
     <th class="text-center">{% trans 'Command' %}</th>
     <th class="text-center">{% trans 'Date start' %}</th>
 {#    <th class="text-center">{% trans 'Date last active' %}</th>#}
@@ -92,6 +93,7 @@
             <td class="text-center">{{ session.system_user }}</td>
             <td class="text-center">{{ session.remote_addr|default:"" }}</td>
             <td class="text-center">{{ session.protocol }}</td>
+            <td class="text-center">{{ session.get_login_from_display }}</td>
             <td class="text-center">{{ session.id | get_session_command_amount }}</td>
 
             <td class="text-center">{{ session.date_start }}</td>
@@ -99,10 +101,14 @@
             <td class="text-center">{{ session.date_start|time_util_with_seconds:session.date_end }}</td>
             <td>
                 {% if session.is_finished %}
-                <a onclick="window.open('/luna/replay/{{ session.id }}','luna', 'height=600, width=800, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-xs btn-warning btn-replay" >{% trans "Replay" %}</a>
+                <a onclick="window.open('/luna/replay/{{ session.id }}','luna', 'height=600, width=800, top=400, left=400, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-xs btn-warning btn-replay" >{% trans "Replay" %}</a>
                 {% else %}
                 <!--<a onclick="window.open('/luna/monitor/{{ session.id }}','luna', 'height=600, width=800, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-xs btn-warning btn-monitor" >{% trans "Monitor" %}</a>-->
-                <a class="btn btn-xs btn-danger btn-term" value="{{ session.id }}" terminal="{{ session.terminal.id }}" >{% trans "Terminate" %}</a>
+                    {% if session.protocol == 'rdp' %}
+                        <a class="btn btn-xs btn-danger btn-term" disabled value="{{ session.id }}" terminal="{{ session.terminal.id }}" >{% trans "Terminate" %}</a>
+                    {% else %}
+                        <a class="btn btn-xs btn-danger btn-term" value="{{ session.id }}" terminal="{{ session.terminal.id }}" >{% trans "Terminate" %}</a>
+                    {% endif %}
                 {% endif %}
             </td>
         </tr>
diff --git a/apps/terminal/templatetags/terminal_tags.py b/apps/terminal/templatetags/terminal_tags.py
index cd7120fec..c5643c67b 100644
--- a/apps/terminal/templatetags/terminal_tags.py
+++ b/apps/terminal/templatetags/terminal_tags.py
@@ -1,10 +1,10 @@
 # ~*~ coding: utf-8 ~*~
 
 from django import template
-from ..backends import get_multi_command_store
+from ..backends import get_multi_command_storage
 
 register = template.Library()
-command_store = get_multi_command_store()
+command_store = get_multi_command_storage()
 
 
 @register.filter
diff --git a/apps/terminal/views/command.py b/apps/terminal/views/command.py
index 0af0b5bfd..748261414 100644
--- a/apps/terminal/views/command.py
+++ b/apps/terminal/views/command.py
@@ -9,10 +9,10 @@ from django.utils.translation import ugettext as _
 from common.mixins import DatetimeSearchMixin, AdminUserRequiredMixin
 from ..models import Command
 from .. import utils
-from ..backends import get_multi_command_store
+from ..backends import get_multi_command_storage
 
 __all__ = ['CommandListView']
-common_storage = get_multi_command_store()
+common_storage = get_multi_command_storage()
 
 
 class CommandListView(DatetimeSearchMixin, AdminUserRequiredMixin, ListView):
diff --git a/apps/terminal/views/session.py b/apps/terminal/views/session.py
index 3b66baff7..71caeae48 100644
--- a/apps/terminal/views/session.py
+++ b/apps/terminal/views/session.py
@@ -10,7 +10,7 @@ from django.conf import settings
 from users.utils import AdminUserRequiredMixin
 from common.mixins import DatetimeSearchMixin
 from ..models import Session, Command, Terminal
-from ..backends import get_multi_command_store
+from ..backends import get_multi_command_storage
 from .. import utils
 
 
@@ -19,7 +19,7 @@ __all__ = [
     'SessionDetailView',
 ]
 
-command_store = get_multi_command_store()
+command_store = get_multi_command_storage()
 
 
 class SessionListView(AdminUserRequiredMixin, DatetimeSearchMixin, ListView):
diff --git a/apps/users/api.py b/apps/users/api.py
index dbc5b66a8..c23112384 100644
--- a/apps/users/api.py
+++ b/apps/users/api.py
@@ -3,6 +3,7 @@ import uuid
 
 from django.core.cache import cache
 from django.urls import reverse
+from django.utils.translation import ugettext as _
 
 from rest_framework import generics
 from rest_framework.permissions import AllowAny, IsAuthenticated
@@ -14,10 +15,11 @@ from .serializers import UserSerializer, UserGroupSerializer, \
     UserGroupUpdateMemeberSerializer, UserPKUpdateSerializer, \
     UserUpdateGroupSerializer, ChangeUserPasswordSerializer
 from .tasks import write_login_log_async
-from .models import User, UserGroup
+from .models import User, UserGroup, LoginLog
 from .permissions import IsSuperUser, IsValidUser, IsCurrentUserOrReadOnly, \
     IsSuperUserOrAppUser
-from .utils import check_user_valid, generate_token, get_login_ip, check_otp_code
+from .utils import check_user_valid, generate_token, get_login_ip, \
+    check_otp_code, set_user_login_failed_count_to_cache, is_block_login
 from common.mixins import IDInFilterMixin
 from common.utils import get_logger
 
@@ -128,16 +130,12 @@ class UserToken(APIView):
             return Response({'error': msg}, status=406)
 
 
-class UserProfile(APIView):
-    permission_classes = (IsValidUser,)
+class UserProfile(generics.RetrieveAPIView):
+    permission_classes = (IsAuthenticated,)
     serializer_class = UserSerializer
 
-    def get(self, request):
-        # return Response(request.user.to_json())
-        return Response(self.serializer_class(request.user).data)
-
-    def post(self, request):
-        return Response(self.serializer_class(request.user).data)
+    def get_object(self):
+        return self.request.user
 
 
 class UserOtpAuthApi(APIView):
@@ -153,10 +151,23 @@ class UserOtpAuthApi(APIView):
             return Response({'msg': '请先进行用户名和密码验证'}, status=401)
 
         if not check_otp_code(user.otp_secret_key, otp_code):
+            data = {
+                'username': user.username,
+                'mfa': int(user.otp_enabled),
+                'reason': LoginLog.REASON_MFA,
+                'status': False
+            }
+            self.write_login_log(request, data)
             return Response({'msg': 'MFA认证失败'}, status=401)
 
+        data = {
+            'username': user.username,
+            'mfa': int(user.otp_enabled),
+            'reason': LoginLog.REASON_NOTHING,
+            'status': True
+        }
+        self.write_login_log(request, data)
         token = generate_token(request, user)
-        self.write_login_log(request, user)
         return Response(
             {
                 'token': token,
@@ -165,7 +176,7 @@ class UserOtpAuthApi(APIView):
         )
 
     @staticmethod
-    def write_login_log(request, user):
+    def write_login_log(request, data):
         login_ip = request.data.get('remote_addr', None)
         login_type = request.data.get('login_type', '')
         user_agent = request.data.get('HTTP_USER_AGENT', '')
@@ -173,25 +184,52 @@ class UserOtpAuthApi(APIView):
         if not login_ip:
             login_ip = get_login_ip(request)
 
-        write_login_log_async.delay(
-            user.username, ip=login_ip,
-            type=login_type, user_agent=user_agent,
-        )
+        tmp_data = {
+            'ip': login_ip,
+            'type': login_type,
+            'user_agent': user_agent
+        }
+        data.update(tmp_data)
+        write_login_log_async.delay(**data)
 
 
 class UserAuthApi(APIView):
     permission_classes = (AllowAny,)
     serializer_class = UserSerializer
+    key_prefix_limit = "_LOGIN_LIMIT_{}_{}"
 
     def post(self, request):
-        user, msg = self.check_user_valid(request)
+        # limit login
+        username = request.data.get('username')
+        ip = request.data.get('remote_addr', None)
+        ip = ip if ip else get_login_ip(request)
+        key_limit = self.key_prefix_limit.format(ip, username)
+        if is_block_login(key_limit):
+            msg = _("Log in frequently and try again later")
+            return Response({'msg': msg}, status=401)
 
+        user, msg = self.check_user_valid(request)
         if not user:
+            data = {
+                'username': request.data.get('username', ''),
+                'mfa': LoginLog.MFA_UNKNOWN,
+                'reason': LoginLog.REASON_PASSWORD,
+                'status': False
+            }
+            self.write_login_log(request, data)
+
+            set_user_login_failed_count_to_cache(key_limit)
             return Response({'msg': msg}, status=401)
 
         if not user.otp_enabled:
+            data = {
+                'username': user.username,
+                'mfa': int(user.otp_enabled),
+                'reason': LoginLog.REASON_NOTHING,
+                'status': True
+            }
+            self.write_login_log(request, data)
             token = generate_token(request, user)
-            self.write_login_log(request, user)
             return Response(
                 {
                     'token': token,
@@ -208,7 +246,8 @@ class UserAuthApi(APIView):
                 'otp_url': reverse('api-users:user-otp-auth'),
                 'seed': seed,
                 'user': self.serializer_class(user).data
-            }, status=300)
+            }, status=300
+        )
 
     @staticmethod
     def check_user_valid(request):
@@ -222,7 +261,7 @@ class UserAuthApi(APIView):
         return user, msg
 
     @staticmethod
-    def write_login_log(request, user):
+    def write_login_log(request, data):
         login_ip = request.data.get('remote_addr', None)
         login_type = request.data.get('login_type', '')
         user_agent = request.data.get('HTTP_USER_AGENT', '')
@@ -230,10 +269,14 @@ class UserAuthApi(APIView):
         if not login_ip:
             login_ip = get_login_ip(request)
 
-        write_login_log_async.delay(
-            user.username, ip=login_ip,
-            type=login_type, user_agent=user_agent,
-        )
+        tmp_data = {
+            'ip': login_ip,
+            'type': login_type,
+            'user_agent': user_agent,
+        }
+        data.update(tmp_data)
+
+        write_login_log_async.delay(**data)
 
 
 class UserConnectionTokenApi(APIView):
diff --git a/apps/users/forms.py b/apps/users/forms.py
index f777e0dd7..165694c3f 100644
--- a/apps/users/forms.py
+++ b/apps/users/forms.py
@@ -16,13 +16,14 @@ class UserLoginForm(AuthenticationForm):
         max_length=128, strip=False
     )
 
+    def confirm_login_allowed(self, user):
+        if not user.is_staff:
+            raise forms.ValidationError(
+                self.error_messages['inactive'],
+                code='inactive',)
 
-class UserLoginCaptchaForm(AuthenticationForm):
-    username = forms.CharField(label=_('Username'), max_length=100)
-    password = forms.CharField(
-        label=_('Password'), widget=forms.PasswordInput,
-        max_length=128, strip=False
-    )
+
+class UserLoginCaptchaForm(UserLoginForm):
     captcha = CaptchaField()
 
 
@@ -72,7 +73,7 @@ class UserCreateUpdateForm(forms.ModelForm):
                     'data-placeholder': _('Join user groups')
                 }
             ),
-            'otp_level': forms.RadioSelect()
+            'otp_level': forms.RadioSelect(),
         }
 
     def clean_public_key(self):
diff --git a/apps/users/models/authentication.py b/apps/users/models/authentication.py
index 5169a79d2..cb0b7d85f 100644
--- a/apps/users/models/authentication.py
+++ b/apps/users/models/authentication.py
@@ -41,12 +41,40 @@ class LoginLog(models.Model):
         ('W', 'Web'),
         ('T', 'Terminal'),
     )
+
+    MFA_DISABLED = 0
+    MFA_ENABLED = 1
+    MFA_UNKNOWN = 2
+
+    MFA_CHOICE = (
+        (MFA_DISABLED, _('Disabled')),
+        (MFA_ENABLED, _('Enabled')),
+        (MFA_UNKNOWN, _('-')),
+    )
+
+    REASON_NOTHING = 0
+    REASON_PASSWORD = 1
+    REASON_MFA = 2
+
+    REASON_CHOICE = (
+        (REASON_NOTHING, _('-')),
+        (REASON_PASSWORD, _('Username/password check failed')),
+        (REASON_MFA, _('MFA authentication failed')),
+    )
+
+    STATUS_CHOICE = (
+        (True, _('Success')),
+        (False, _('Failed'))
+    )
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
     username = models.CharField(max_length=20, verbose_name=_('Username'))
     type = models.CharField(choices=LOGIN_TYPE_CHOICE, max_length=2, verbose_name=_('Login type'))
     ip = models.GenericIPAddressField(verbose_name=_('Login ip'))
     city = models.CharField(max_length=254, blank=True, null=True, verbose_name=_('Login city'))
     user_agent = models.CharField(max_length=254, blank=True, null=True, verbose_name=_('User agent'))
+    mfa = models.SmallIntegerField(default=MFA_UNKNOWN, choices=MFA_CHOICE, verbose_name=_('MFA'))
+    reason = models.SmallIntegerField(default=REASON_NOTHING, choices=REASON_CHOICE, verbose_name=_('Reason'))
+    status = models.BooleanField(max_length=2, default=True, choices=STATUS_CHOICE, verbose_name=_('Status'))
     datetime = models.DateTimeField(auto_now_add=True, verbose_name=_('Date login'))
 
     class Meta:
diff --git a/apps/users/models/group.py b/apps/users/models/group.py
index 128fbdbcb..9196156f7 100644
--- a/apps/users/models/group.py
+++ b/apps/users/models/group.py
@@ -4,14 +4,12 @@ import uuid
 from django.db import models, IntegrityError
 from django.utils.translation import ugettext_lazy as _
 
-from common.mixins import NoDeleteModelMixin
-
 __all__ = ['UserGroup']
 
 
-class UserGroup(NoDeleteModelMixin):
+class UserGroup(models.Model):
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
-    name = models.CharField(max_length=128, verbose_name=_('Name'))
+    name = models.CharField(max_length=128, unique=True, verbose_name=_('Name'))
     comment = models.TextField(blank=True, verbose_name=_('Comment'))
     date_created = models.DateTimeField(auto_now_add=True, null=True,
                                         verbose_name=_('Date created'))
diff --git a/apps/users/models/user.py b/apps/users/models/user.py
index 23c30cf77..d69151f55 100644
--- a/apps/users/models/user.py
+++ b/apps/users/models/user.py
@@ -14,6 +14,7 @@ from django.utils import timezone
 from django.shortcuts import reverse
 
 from common.utils import get_signer, date_expired_default
+from common.models import Setting
 
 
 __all__ = ['User']
@@ -35,6 +36,12 @@ class User(AbstractUser):
         (1, _('Enable')),
         (2, _("Force enable")),
     )
+    SOURCE_LOCAL = 'local'
+    SOURCE_LDAP = 'ldap'
+    SOURCE_CHOICES = (
+        (SOURCE_LOCAL, 'Local'),
+        (SOURCE_LDAP, 'LDAP/AD'),
+    )
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
     username = models.CharField(
         max_length=128, unique=True, verbose_name=_('Username')
@@ -77,11 +84,15 @@ class User(AbstractUser):
     is_first_login = models.BooleanField(default=True)
     date_expired = models.DateTimeField(
         default=date_expired_default, blank=True, null=True,
-        verbose_name=_('Date expired')
+        db_index=True, verbose_name=_('Date expired')
     )
     created_by = models.CharField(
         max_length=30, default='', verbose_name=_('Created by')
     )
+    source = models.CharField(
+        max_length=30, default=SOURCE_LOCAL, choices=SOURCE_CHOICES,
+        verbose_name=_('Source')
+    )
 
     def __str__(self):
         return '{0.name}({0.username})'.format(self)
@@ -248,14 +259,17 @@ class User(AbstractUser):
 
     @property
     def otp_enabled(self):
-        return self.otp_level > 0
+        return self.otp_force_enabled or self.otp_level > 0
 
     @property
     def otp_force_enabled(self):
+        mfa_setting = Setting.objects.filter(name='SECURITY_MFA_AUTH').first()
+        if mfa_setting and mfa_setting.cleaned_value:
+            return True
         return self.otp_level == 2
 
     def enable_otp(self):
-        if not self.otp_force_enabled:
+        if not self.otp_level == 2:
             self.otp_level = 1
 
     def force_enable_otp(self):
@@ -275,6 +289,7 @@ class User(AbstractUser):
             'is_superuser': self.is_superuser,
             'role': self.get_role_display(),
             'groups': [group.name for group in self.groups.all()],
+            'source': self.get_source_display(),
             'wechat': self.wechat,
             'phone': self.phone,
             'otp_level': self.otp_level,
diff --git a/apps/users/serializers.py b/apps/users/serializers.py
index f1347b0d5..d3f3eb73f 100644
--- a/apps/users/serializers.py
+++ b/apps/users/serializers.py
@@ -26,7 +26,10 @@ class UserSerializer(BulkSerializerMixin, serializers.ModelSerializer):
 
     def get_field_names(self, declared_fields, info):
         fields = super(UserSerializer, self).get_field_names(declared_fields, info)
-        fields.extend(['groups_display', 'get_role_display', 'is_valid'])
+        fields.extend([
+            'groups_display', 'get_role_display',
+            'get_source_display', 'is_valid'
+        ])
         return fields
 
     @staticmethod
diff --git a/apps/users/signals_handler.py b/apps/users/signals_handler.py
index 4c6afc663..bae5e37cd 100644
--- a/apps/users/signals_handler.py
+++ b/apps/users/signals_handler.py
@@ -2,6 +2,7 @@
 #
 
 from django.dispatch import receiver
+from django_auth_ldap.backend import populate_user
 # from django.db.models.signals import post_save
 
 from common.utils import get_logger
@@ -28,3 +29,11 @@ def on_user_create(sender, user=None, **kwargs):
     logger.info("   - Sending welcome mail ...".format(user.name))
     if user.email:
         send_user_created_mail(user)
+
+
+@receiver(populate_user)
+def on_ldap_create_user(sender, user, ldap_user, **kwargs):
+    if user:
+        user.source = user.SOURCE_LDAP
+        user.save()
+
diff --git a/apps/users/templates/users/_user.html b/apps/users/templates/users/_user.html
index f973f3344..5090e825f 100644
--- a/apps/users/templates/users/_user.html
+++ b/apps/users/templates/users/_user.html
@@ -48,6 +48,7 @@
             </div>
         </div>
     </form>
+
 {% endblock %}
 {% block custom_foot_js %}
     <script src="{% static 'js/plugins/datepicker/bootstrap-datepicker.js' %}"></script>
diff --git a/apps/users/templates/users/first_login.html b/apps/users/templates/users/first_login.html
index 7138199a3..9687949d1 100644
--- a/apps/users/templates/users/first_login.html
+++ b/apps/users/templates/users/first_login.html
@@ -70,6 +70,7 @@
                                   <br>
                                   <input type="checkbox" id="acceptTerms">
                                   <label for="acceptTerms" style="margin-top:20px">{% trans "I agree with the terms and conditions." %}</label>
+                                  <p id="noTerms" class="red-fonts" style="visibility: hidden; font-size: 10px; margin-top: 10px;">* {% trans 'Please choose the terms and conditions.' %}</p>
                               {% endif %}
 
                               {% bootstrap_form wizard.form %}
@@ -99,11 +100,7 @@
                         {% if wizard.steps.prev %}
                             <li><a class="fl_goto" name="wizard_goto_step" data-goto="{{ wizard.steps.prev }}">{% trans "Previous" %}</a></li>
                         {% endif %}
-                        {#{% if wizard.steps.next %}#}
-                        {#<li><a class="fl_goto" name="wizard_goto_step" data-goto="{{ wizard.steps.next }}">{% trans "Next" %}</a></li>#}
-                        {#{% endif %}#}
-                        {#<li><a id="fl_submit">{% trans "Submit" %}</a></li>#}
-                        {#将原来的下一页-替换为提交；修复 每页都提交，最后才能成功问题#}
+
                         {% if wizard.steps.next %}
                             <li><a id="fl_submit" >{% trans "Next" %}</a></li>
                         {% else %}
@@ -124,20 +121,26 @@
 
 {% block custom_foot_js %}
 <script>
-    $('#id_2-otp_level div').eq(2).css('display', 'none');
-
     $(document).on('click', ".fl_goto", function(){
-      var $form = $('#fl_form');
-      $('<input />', {'name': 'wizard_goto_step', 'value': $(this).data('goto'), 'type': 'hidden'}).appendTo($form);
-      $form.submit();
-      return false;
+        var $form = $('#fl_form');
+        $('<input />', {'name': 'wizard_goto_step', 'value': $(this).data('goto'), 'type': 'hidden'}).appendTo($form);
+        $form.submit();
+        return false;
     }).on('click', '#fl_submit', function(){
-      $('#fl_form').submit();
-      return false;
+        var isFinish = $('#fl_submit').html() === "{% trans 'Finish' %}";
+        var noChecked = !$('#acceptTerms').prop('checked');
+        if ( isFinish && noChecked){
+            $('#noTerms').css('visibility', 'visible');
+        }
+        else{
+            $('#fl_form').submit();
+            return false;
+        }
     }).on('click', '#btn-reset-pubkey', function () {
-    var the_url = '{% url "users:user-pubkey-generate" %}';
-    window.open(the_url, "_blank")
-})
+        var the_url = '{% url "users:user-pubkey-generate" %}';
+        window.open(the_url, "_blank");
+        $('#fl_form').submit();
+    })
 
 </script>
 {% endblock %}
diff --git a/apps/users/templates/users/login.html b/apps/users/templates/users/login.html
index 7dd3f5d0a..6b55a58bf 100644
--- a/apps/users/templates/users/login.html
+++ b/apps/users/templates/users/login.html
@@ -45,13 +45,17 @@
                     </div>
                     <form class="m-t" role="form" method="post" action="">
                         {% csrf_token %}
-                        {% if form.errors %}
+
+                        {% if block_login %}
+                            <p class="red-fonts">{% trans 'Log in frequently and try again later' %}</p>
+                        {% elif form.errors %}
                             {% if 'captcha' in form.errors %}
                                 <p class="red-fonts">{% trans 'Captcha invalid' %}</p>
                             {% else %}
                                 <p class="red-fonts">{{ form.non_field_errors.as_text }}</p>
                             {% endif %}
                         {% endif %}
+
                         <div class="form-group">
                             <input type="text" class="form-control" name="{{ form.username.html_name }}" placeholder="{% trans 'Username' %}" required="" value="{% if form.username.value %}{{ form.username.value }}{% endif %}">
                         </div>
diff --git a/apps/users/templates/users/login_log_list.html b/apps/users/templates/users/login_log_list.html
index 4a08c28db..afaf671a5 100644
--- a/apps/users/templates/users/login_log_list.html
+++ b/apps/users/templates/users/login_log_list.html
@@ -51,6 +51,9 @@
     <th class="text-center">{% trans 'UA' %}</th>
     <th class="text-center">{% trans 'IP' %}</th>
     <th class="text-center">{% trans 'City' %}</th>
+    <th class="text-center">{% trans 'MFA' %}</th>
+    <th class="text-center">{% trans 'Reason' %}</th>
+    <th class="text-center">{% trans 'Status' %}</th>
     <th class="text-center">{% trans 'Date' %}</th>
 {% endblock %}
 
@@ -65,6 +68,9 @@
             </td>
             <td class="text-center">{{ login_log.ip }}</td>
             <td class="text-center">{{ login_log.city }}</td>
+            <td class="text-center">{{ login_log.get_mfa_display }}</td>
+            <td class="text-center">{{ login_log.get_reason_display }}</td>
+            <td class="text-center">{{ login_log.get_status_display }}</td>
             <td class="text-center">{{ login_log.datetime }}</td>
         </tr>
     {% endfor %}
diff --git a/apps/users/templates/users/reset_password.html b/apps/users/templates/users/reset_password.html
index 0bab32809..3d669a1e5 100644
--- a/apps/users/templates/users/reset_password.html
+++ b/apps/users/templates/users/reset_password.html
@@ -11,6 +11,7 @@
     {% include '_head_css_js.html' %}
     <link href="{% static "css/jumpserver.css" %}" rel="stylesheet">
     <script src="{% static "js/jumpserver.js" %}"></script>
+    <script type="text/javascript" src="{% static 'js/pwstrength-bootstrap.js' %}"></script>
 
 </head>
 
@@ -49,10 +50,20 @@
                             <p class="red-fonts">{{ errors }}</p>
                         {% endif %}
                         <div class="form-group">
-                            <input type="password" class="form-control" name="password" placeholder="{% trans 'Password' %}" required="">
+                            <input type="password" id="id_new_password" class="form-control" name="password" placeholder="{% trans 'Password' %}" required="">
+                            {#  密码popover  #}
+                            <div id="container">
+                                <div class="popover fade bottom in" role="tooltip" id="popover777" style=" display: none; width:260px;">
+                                    <div class="arrow" style="left: 50%;"></div>
+                                    <h3 class="popover-title" style="display: none;"></h3>
+                                    <h4>{% trans 'Your password must satisfy' %}</h4><div id="id_password_rules" style="color: #908a8a; margin-left:20px; font-size:15px;"></div>
+                                    <h4 style="margin-top: 10px;">{% trans 'Password strength' %}</h4><div id="id_progress"></div>
+                                    <div class="popover-content"></div>
+                                </div>
+                            </div>
                         </div>
                         <div class="form-group">
-                            <input type="password" class="form-control" name="password-confirm" placeholder="{% trans 'Password again' %}" required="">
+                            <input type="password" id="id_confirm_password" class="form-control" name="password-confirm" placeholder="{% trans 'Password again' %}" required="">
                         </div>
                         <button type="submit" class="btn btn-primary block full-width m-b">{% trans "Setting"  %}</button>
 
@@ -79,4 +90,33 @@
 </body>
 
 </html>
+ <script>
+     $(document).ready(function () {
+         // 密码强度校验
+         var el = $('#id_password_rules'),
+             idPassword = $('#id_new_password'),
+             idPopover = $('#popover777'),
+             container = $('#container'),
+             progress = $('#id_progress'),
+             password_check_rules = {{ password_check_rules|safe }},
+             minLength = {{ min_length }},
+             top = 146, left = 170;
 
+         // 初始化popover
+         initPopover(container, progress, idPassword, el, password_check_rules);
+
+         // 监听事件
+         idPassword.on('focus', function () {
+             idPopover.css('top', top);
+             idPopover.css('left', left);
+             idPopover.css('display', 'block');
+         });
+         idPassword.on('blur', function () {
+             idPopover.css('display', 'none');
+         });
+         idPassword.on('keyup', function(){
+             var password = idPassword.val();
+             checkPasswordRules(password, minLength);
+         })
+     })
+ </script>
diff --git a/apps/users/templates/users/user_detail.html b/apps/users/templates/users/user_detail.html
index 66bfa61e0..d40251563 100644
--- a/apps/users/templates/users/user_detail.html
+++ b/apps/users/templates/users/user_detail.html
@@ -99,6 +99,10 @@
                                                 {% endif %}
                                             </b></td>
                                         </tr>
+                                        <tr>
+                                            <td>{% trans 'Source' %}:</td>
+                                            <td><b>{{ user_object.get_source_display }}</b></td>
+                                        </tr>
                                         <tr>
                                             <td>{% trans 'Date expired' %}:</td>
                                             <td><b>{{ user_object.date_expired|date:"Y-m-j H:i:s" }}</b></td>
@@ -417,8 +421,8 @@ $(document).ready(function() {
     APIUpdateAttr({ url: the_url, body: JSON.stringify(body), success: success, error: fail});
 }).on('click', '.btn-delete-user', function () {
     var $this = $(this);
-    var name = "{{ user.name }}";
-    var uid = "{{ user.id }}";
+    var name = "{{ user_object.name }}";
+    var uid = "{{ user_object.id }}";
     var the_url = '{% url "api-users:user-detail" pk=DEFAULT_PK %}'.replace('{{ DEFAULT_PK }}', uid);
     var redirect_url = "{% url 'users:user-list' %}";
     objectDelete($this, name, the_url, redirect_url);
diff --git a/apps/users/templates/users/user_granted_asset.html b/apps/users/templates/users/user_granted_asset.html
index ec807aec5..299c33e07 100644
--- a/apps/users/templates/users/user_granted_asset.html
+++ b/apps/users/templates/users/user_granted_asset.html
@@ -68,7 +68,7 @@ var asset_table;
 
 function initTable() {
     if (inited){
-        return
+        return asset_table
     } else {
         inited = true;
     }
diff --git a/apps/users/templates/users/user_group_granted_asset.html b/apps/users/templates/users/user_group_granted_asset.html
index c1d56a701..1692e06a2 100644
--- a/apps/users/templates/users/user_group_granted_asset.html
+++ b/apps/users/templates/users/user_group_granted_asset.html
@@ -64,10 +64,11 @@
 var zTree;
 var inited = false;
 var url;
+var asset_table;
 
 function initTable() {
     if (inited){
-        return
+        return asset_table
     } else {
         inited = true;
     }
diff --git a/apps/users/templates/users/user_list.html b/apps/users/templates/users/user_list.html
index c7c9b8b28..27c07c538 100644
--- a/apps/users/templates/users/user_list.html
+++ b/apps/users/templates/users/user_list.html
@@ -24,6 +24,7 @@
             <th class="text-center">{% trans 'Username' %}</th>
             <th class="text-center">{% trans 'Role' %}</th>
             <th class="text-center">{% trans 'User group' %}</th>
+            <th class="text-center">{% trans 'Source' %}</th>
             <th class="text-center">{% trans 'Active' %}</th>
             <th class="text-center">{% trans 'Action' %}</th>
         </tr>
@@ -58,21 +59,21 @@ function initTable() {
         ele: $('#user_list_table'),
         columnDefs: [
             {targets: 1, createdCell: function (td, cellData, rowData) {
-                var detail_btn = '<a href="{% url "users:user-detail" pk=DEFAULT_PK %}">' + cellData + '</a>';
+                var detail_btn = '<a href="{% url "users:user-detail" pk=DEFAULT_PK %}">' + escape(cellData) + '</a>';
                 $(td).html(detail_btn.replace("{{ DEFAULT_PK }}", rowData.id));
              }},
             {targets: 4, createdCell: function (td, cellData) {
                 var innerHtml = cellData.length > 20 ? cellData.substring(0, 20) + '...': cellData;
                 $(td).html('<span href="javascript:void(0);" data-toggle="tooltip" title="' + cellData + '">' + innerHtml + '</span>');
              }},
-            {targets: 5, createdCell: function (td, cellData) {
+            {targets: 6, createdCell: function (td, cellData) {
                 if (!cellData) {
                     $(td).html('<i class="fa fa-times text-danger"></i>')
                 } else {
                     $(td).html('<i class="fa fa-check text-navy"></i>')
                 }
              }},
-            {targets: 6, createdCell: function (td, cellData, rowData) {
+            {targets: 7, createdCell: function (td, cellData, rowData) {
                 var update_btn = '<a href="{% url "users:user-update" pk=DEFAULT_PK %}" class="btn btn-xs btn-info">{% trans "Update" %}</a>'.replace('00000000-0000-0000-0000-000000000000', cellData);
 
                 var del_btn = "";
@@ -90,7 +91,7 @@ function initTable() {
         ajax_url: '{% url "api-users:user-list" %}',
         columns: [
             {data: "id"}, {data: "name" }, {data: "username" }, {data: "get_role_display" },
-            {data: "groups_display" }, {data: "is_valid" }, {data: "id" }
+            {data: "groups_display" }, {data: "get_source_display" }, {data: "is_valid" }, {data: "id" }
         ],
         op_html: $('#actions').html()
     };
diff --git a/apps/users/templates/users/user_password_update.html b/apps/users/templates/users/user_password_update.html
index 3dbe727a7..50c428ee6 100644
--- a/apps/users/templates/users/user_password_update.html
+++ b/apps/users/templates/users/user_password_update.html
@@ -7,6 +7,8 @@
     <link href="{% static "css/plugins/cropper/cropper.min.css" %}" rel="stylesheet">
     <link href="{% static "css/plugins/sweetalert/sweetalert.css" %}" rel="stylesheet">
     <script src="{% static "js/plugins/sweetalert/sweetalert.min.js" %}"></script>
+    <script type="text/javascript" src="{% static 'js/pwstrength-bootstrap.js' %}"></script>
+    <script src="{% static "js/jumpserver.js" %}"></script>
 
     <style>
         .crop {
@@ -50,6 +52,16 @@
                                     {% csrf_token %}
                                     {% bootstrap_field form.old_password layout="horizontal" %}
                                     {% bootstrap_field form.new_password layout="horizontal" %}
+                                    {#  密码popover  #}
+                                    <div id="container">
+                                        <div class="popover fade bottom in" role="tooltip" id="popover777" style=" display: none; width:260px;">
+                                            <div class="arrow" style="left: 50%;"></div>
+                                            <h3 class="popover-title" style="display: none;"></h3>
+                                            <h4>{% trans 'Your password must satisfy' %}</h4><div id="id_password_rules" style="color: #908a8a; margin-left:20px; font-size:15px;"></div>
+                                            <h4 style="margin-top: 10px;">{% trans 'Password strength' %}</h4><div id="id_progress"></div>
+                                            <div class="popover-content"></div>
+                                        </div>
+                                    </div>
                                     {% bootstrap_field form.confirm_password layout="horizontal" %}
 
                                     <div class="hr-line-dashed"></div>
@@ -71,5 +83,34 @@
 {% block custom_foot_js %}
     <script src="{% static 'js/plugins/cropper/cropper.min.js' %}"></script>
     <script>
+        $(document).ready(function () {
+
+            var el = $('#id_password_rules'),
+                idPassword = $('#id_new_password'),
+                idPopover = $('#popover777'),
+                container = $('#container'),
+                progress = $('#id_progress'),
+                password_check_rules = {{ password_check_rules|safe }},
+                minLength = {{ min_length }},
+                top = idPassword.offset().top - $('.navbar').outerHeight(true) - $('.page-heading').outerHeight(true) - 10 + 34,
+                left = 377;
+
+            // 初始化popover
+            initPopover(container, progress, idPassword, el, password_check_rules);
+
+            // 监听事件
+            idPassword.on('focus', function () {
+                idPopover.css('top', top);
+                idPopover.css('left', left);
+                idPopover.css('display', 'block');
+            });
+            idPassword.on('blur', function () {
+                idPopover.css('display', 'none');
+            });
+            idPassword.on('keyup', function(){
+                var password = idPassword.val();
+                checkPasswordRules(password, minLength);
+            });
+        })
     </script>
 {% endblock %}
diff --git a/apps/users/templates/users/user_profile.html b/apps/users/templates/users/user_profile.html
index 3efc193c9..0109203df 100644
--- a/apps/users/templates/users/user_profile.html
+++ b/apps/users/templates/users/user_profile.html
@@ -91,8 +91,15 @@
                                                     {% else %}
                                                         {% trans 'Disable' %}
                                                     {% endif %}
+                                                    {% if mfa_setting %}
+                                                        ( {% trans 'Administrator Settings force MFA login' %} )
+                                                    {% endif %}
                                                 </td>
                                             </tr>
+                                            <tr>
+                                                <td class="text-navy">{% trans 'Source' %}</td>
+                                                <td>{{ user.get_source_display }}</td>
+                                            </tr>
                                             <tr>
                                                 <td class="text-navy">{% trans 'Date joined' %}</td>
                                                 <td>{{ user.date_joined|date:"Y-m-d H:i:s" }}</td>
diff --git a/apps/users/templates/users/user_pubkey_update.html b/apps/users/templates/users/user_pubkey_update.html
index 82c4a3590..e90e51659 100644
--- a/apps/users/templates/users/user_pubkey_update.html
+++ b/apps/users/templates/users/user_pubkey_update.html
@@ -67,7 +67,7 @@
                                     <div class="form-group">
                                         <label class="control-label col-sm-2 col-lg-2" style="padding-top: 0">{% trans 'Or reset by server' %}</label>
                                         <div class=" col-sm-9 col-lg-9 ">
-                                            <a href="{% url 'users:user-pubkey-generate' %}">{% trans 'Reset' %}</a>
+                                            <a id="reset_pubkey" href="{% url 'users:user-pubkey-generate' %}">{% trans 'Reset' %}</a>
                                         </div>
                                     </div>
                                     <div class="hr-line-dashed"></div>
@@ -89,5 +89,10 @@
 {% block custom_foot_js %}
     <script src="{% static 'js/plugins/cropper/cropper.min.js' %}"></script>
     <script>
+    $(document).ready(function () {
+    }).on('click', '#reset_pubkey', function () {
+        var message = "{% trans 'The new public key has been set successfully, Please download the corresponding private key.' %}";
+        toastr.success(message)
+    })
     </script>
 {% endblock %}
diff --git a/apps/users/templates/users/user_update.html b/apps/users/templates/users/user_update.html
index e3c22f00b..b51610587 100644
--- a/apps/users/templates/users/user_update.html
+++ b/apps/users/templates/users/user_update.html
@@ -4,5 +4,50 @@
 {% block user_template_title %}{% trans "Update user" %}{% endblock %}
 {% block password %}
     {% bootstrap_field form.password layout="horizontal" %}
+    {#  密码popover  #}
+    <div id="container">
+        <div class="popover fade bottom in" role="tooltip" id="popover777" style=" display: none; width:260px;">
+            <div class="arrow" style="left: 50%;"></div>
+            <h3 class="popover-title" style="display: none;"></h3>
+            <h4>{% trans 'Your password must satisfy' %}</h4><div id="id_password_rules" style="color: #908a8a; margin-left:20px; font-size:15px;"></div>
+            <h4 style="margin-top: 10px;">{% trans 'Password strength' %}</h4><div id="id_progress"></div>
+            <div class="popover-content"></div>
+        </div>
+    </div>
     {% bootstrap_field form.public_key layout="horizontal" %}
 {% endblock %}
+
+{% block custom_foot_js %}
+    {{ block.super }}
+<script>
+    $(document).ready(function(){
+        var el = $('#id_password_rules'),
+            idPassword = $('#id_password'),
+            idPopover = $('#popover777'),
+            container = $('#container'),
+            progress = $('#id_progress'),
+            password_check_rules = {{ password_check_rules|safe }},
+            minLength = {{ min_length }},
+            top = idPassword.offset().top - $('.navbar').outerHeight(true) - $('.page-heading').outerHeight(true) - 10 + 34,
+            left = 377;
+
+        // 初始化popover
+        initPopover(container, progress, idPassword, el, password_check_rules);
+
+        // 监听事件
+        idPassword.on('focus', function () {
+            idPopover.css('top', top);
+            idPopover.css('left', left);
+            idPopover.css('display', 'block');
+        });
+        idPassword.on('blur', function () {
+            idPopover.css('display', 'none');
+        });
+        idPassword.on('keyup', function(){
+            var password = idPassword.val();
+            checkPasswordRules(password, minLength);
+        });
+
+    })
+</script>
+{% endblock %}
diff --git a/apps/users/utils.py b/apps/users/utils.py
index 0ccba92be..937a90867 100644
--- a/apps/users/utils.py
+++ b/apps/users/utils.py
@@ -2,6 +2,7 @@
 #
 from __future__ import unicode_literals
 import os
+import re
 import pyotp
 import base64
 import logging
@@ -12,14 +13,17 @@ import ipaddress
 from django.http import Http404
 from django.conf import settings
 from django.contrib.auth.mixins import UserPassesTestMixin
-from django.contrib.auth import authenticate, login as auth_login
+from django.contrib.auth import authenticate
 from django.utils.translation import ugettext as _
 from django.core.cache import cache
 
 from common.tasks import send_mail_async
 from common.utils import reverse, get_object_or_none
+from common.models import Setting
+from common.forms import SecuritySettingForm
 from .models import User, LoginLog
 
+
 logger = logging.getLogger('jumpserver')
 
 
@@ -41,6 +45,8 @@ def send_user_created_mail(user):
     </br>
     Your account has been created successfully
     </br>
+    Username: %(username)s
+    </br>
     <a href="%(rest_password_url)s?token=%(rest_password_token)s">click here to set your password</a>
     </br>
     This link is valid for 1 hour. After it expires, <a href="%(forget_password_url)s?email=%(email)s">request new one</a>
@@ -54,6 +60,7 @@ def send_user_created_mail(user):
     </br>
     """) % {
         'name': user.name,
+        'username': user.username,
         'rest_password_url': reverse('users:reset-password', external=True),
         'rest_password_token': user.generate_reset_token(),
         'forget_password_url': reverse('users:forgot-password', external=True),
@@ -193,16 +200,15 @@ def get_login_ip(request):
     return login_ip
 
 
-def write_login_log(username, type='', ip='', user_agent=''):
+def write_login_log(*args, **kwargs):
+    ip = kwargs.get('ip', '')
     if not (ip and validate_ip(ip)):
         ip = ip[:15]
         city = "Unknown"
     else:
         city = get_ip_city(ip)
-    LoginLog.objects.create(
-        username=username, type=type,
-        ip=ip, city=city, user_agent=user_agent
-    )
+    kwargs.update({'ip': ip, 'city': city})
+    LoginLog.objects.create(**kwargs)
 
 
 def get_ip_city(ip, timeout=10):
@@ -268,3 +274,86 @@ def generate_otp_uri(request, issuer="Jumpserver"):
 def check_otp_code(otp_secret_key, otp_code):
     totp = pyotp.TOTP(otp_secret_key)
     return totp.verify(otp_code)
+
+
+def get_password_check_rules():
+    check_rules = []
+    min_length = settings.DEFAULT_PASSWORD_MIN_LENGTH
+    min_name = 'SECURITY_PASSWORD_MIN_LENGTH'
+    base_filed = SecuritySettingForm.base_fields
+    password_setting = Setting.objects.filter(name__startswith='SECURITY_PASSWORD')
+
+    if not password_setting:
+        # 用户还没有设置过密码校验规则
+        label = base_filed.get(min_name).label
+        label += ' ' + str(min_length) + _('Bit')
+        id = 'rule_' + min_name
+        rules = {'id': id, 'label': label}
+        check_rules.append(rules)
+
+    for setting in password_setting:
+        if setting.cleaned_value:
+            id = 'rule_' + setting.name
+            label = base_filed.get(setting.name).label
+            if setting.name == min_name:
+                label += str(setting.cleaned_value) + _('Bit')
+                min_length = setting.cleaned_value
+            rules = {'id': id, 'label': label}
+            check_rules.append(rules)
+
+    return check_rules, min_length
+
+
+def check_password_rules(password):
+    min_field_name = 'SECURITY_PASSWORD_MIN_LENGTH'
+    upper_field_name = 'SECURITY_PASSWORD_UPPER_CASE'
+    lower_field_name = 'SECURITY_PASSWORD_LOWER_CASE'
+    number_field_name = 'SECURITY_PASSWORD_NUMBER'
+    special_field_name = 'SECURITY_PASSWORD_SPECIAL_CHAR'
+    min_length_setting = Setting.objects.filter(name=min_field_name).first()
+    min_length = min_length_setting.value if min_length_setting else settings.DEFAULT_PASSWORD_MIN_LENGTH
+
+    password_setting = Setting.objects.filter(name__startswith='SECURITY_PASSWORD')
+    if not password_setting:
+        pattern = r"^.{" + str(min_length) + ",}$"
+    else:
+        pattern = r"^"
+        for setting in password_setting:
+            if setting.cleaned_value and setting.name == upper_field_name:
+                pattern += '(?=.*[A-Z])'
+            elif setting.cleaned_value and setting.name == lower_field_name:
+                pattern += '(?=.*[a-z])'
+            elif setting.cleaned_value and setting.name == number_field_name:
+                pattern += '(?=.*\d)'
+            elif setting.cleaned_value and setting.name == special_field_name:
+                pattern += '(?=.*[`~!@#\$%\^&\*\(\)-=_\+\[\]\{\}\|;:\'",\.<>\/\?])'
+        pattern += '[a-zA-Z\d`~!@#\$%\^&\*\(\)-=_\+\[\]\{\}\|;:\'",\.<>\/\?]'
+
+    match_obj = re.match(pattern, password)
+    return bool(match_obj)
+
+
+def set_user_login_failed_count_to_cache(key_limit):
+    count = cache.get(key_limit)
+    count = count + 1 if count else 1
+
+    setting_limit_time = Setting.objects.filter(
+        name='SECURITY_LOGIN_LIMIT_TIME'
+    ).first()
+    limit_time = setting_limit_time.cleaned_value if setting_limit_time \
+        else settings.DEFAULT_LOGIN_LIMIT_TIME
+
+    cache.set(key_limit, count, int(limit_time)*60)
+
+
+def is_block_login(key_limit):
+    count = cache.get(key_limit)
+
+    setting_limit_count = Setting.objects.filter(
+        name='SECURITY_LOGIN_LIMIT_COUNT'
+    ).first()
+    limit_count = setting_limit_count.cleaned_value if setting_limit_count \
+        else settings.DEFAULT_LOGIN_LIMIT_COUNT
+
+    if count and count >= limit_count:
+        return True
diff --git a/apps/users/views/login.py b/apps/users/views/login.py
index 7e3d50c8a..94071924f 100644
--- a/apps/users/views/login.py
+++ b/apps/users/views/login.py
@@ -23,9 +23,12 @@ from django.conf import settings
 
 from common.utils import get_object_or_none
 from common.mixins import DatetimeSearchMixin, AdminUserRequiredMixin
+from common.models import Setting
 from ..models import User, LoginLog
-from ..utils import send_reset_password_mail, check_otp_code, get_login_ip, redirect_user_first_login_or_index, \
-    get_user_or_tmp_user, set_tmp_user_to_cache
+from ..utils import send_reset_password_mail, check_otp_code, get_login_ip, \
+    redirect_user_first_login_or_index, get_user_or_tmp_user, \
+    set_tmp_user_to_cache, get_password_check_rules, check_password_rules, \
+    is_block_login, set_user_login_failed_count_to_cache
 from ..tasks import write_login_log_async
 from .. import forms
 
@@ -46,14 +49,27 @@ class UserLoginView(FormView):
     form_class = forms.UserLoginForm
     form_class_captcha = forms.UserLoginCaptchaForm
     redirect_field_name = 'next'
-    key_prefix = "_LOGIN_INVALID_{}"
+    key_prefix_captcha = "_LOGIN_INVALID_{}"
+    key_prefix_limit = "_LOGIN_LIMIT_{}_{}"
 
     def get(self, request, *args, **kwargs):
         if request.user.is_staff:
-            return redirect(self.get_success_url())
+            return redirect(redirect_user_first_login_or_index(
+                request, self.redirect_field_name)
+            )
         request.session.set_test_cookie()
         return super().get(request, *args, **kwargs)
 
+    def post(self, request, *args, **kwargs):
+        # limit login authentication
+        ip = get_login_ip(request)
+        username = self.request.POST.get('username')
+        key_limit = self.key_prefix_limit.format(ip, username)
+        if is_block_login(key_limit):
+            return self.render_to_response(self.get_context_data(block_login=True))
+
+        return super().post(request, *args, **kwargs)
+
     def form_valid(self, form):
         if not self.request.session.test_cookie_worked():
             return HttpResponse(_("Please enable cookies and try again."))
@@ -62,8 +78,23 @@ class UserLoginView(FormView):
         return redirect(self.get_success_url())
 
     def form_invalid(self, form):
+        # write login failed log
+        username = form.cleaned_data.get('username')
+        data = {
+            'username': username,
+            'mfa': LoginLog.MFA_UNKNOWN,
+            'reason': LoginLog.REASON_PASSWORD,
+            'status': False
+        }
+        self.write_login_log(data)
+
+        # limit user login failed count
         ip = get_login_ip(self.request)
-        cache.set(self.key_prefix.format(ip), 1, 3600)
+        key_limit = self.key_prefix_limit.format(ip, username)
+        set_user_login_failed_count_to_cache(key_limit)
+
+        # show captcha
+        cache.set(self.key_prefix_captcha.format(ip), 1, 3600)
         old_form = form
         form = self.form_class_captcha(data=form.data)
         form._errors = old_form.errors
@@ -71,7 +102,7 @@ class UserLoginView(FormView):
 
     def get_form_class(self):
         ip = get_login_ip(self.request)
-        if cache.get(self.key_prefix.format(ip)):
+        if cache.get(self.key_prefix_captcha.format(ip)):
             return self.form_class_captcha
         else:
             return self.form_class
@@ -80,15 +111,21 @@ class UserLoginView(FormView):
         user = get_user_or_tmp_user(self.request)
 
         if user.otp_enabled and user.otp_secret_key:
-            # 1,2 & T
+            # 1,2,mfa_setting & T
             return reverse('users:login-otp')
         elif user.otp_enabled and not user.otp_secret_key:
-            # 1,2 & F
+            # 1,2,mfa_setting & F
             return reverse('users:user-otp-enable-authentication')
         elif not user.otp_enabled:
             # 0 & T,F
             auth_login(self.request, user)
-            self.write_login_log()
+            data = {
+                'username': self.request.user.username,
+                'mfa': int(self.request.user.otp_enabled),
+                'reason': LoginLog.REASON_NOTHING,
+                'status': True
+            }
+            self.write_login_log(data)
             return redirect_user_first_login_or_index(self.request, self.redirect_field_name)
 
     def get_context_data(self, **kwargs):
@@ -98,13 +135,16 @@ class UserLoginView(FormView):
         kwargs.update(context)
         return super().get_context_data(**kwargs)
 
-    def write_login_log(self):
+    def write_login_log(self, data):
         login_ip = get_login_ip(self.request)
         user_agent = self.request.META.get('HTTP_USER_AGENT', '')
-        write_login_log_async.delay(
-            self.request.user.username, type='W',
-            ip=login_ip, user_agent=user_agent
-        )
+        tmp_data = {
+            'ip': login_ip,
+            'type': 'W',
+            'user_agent': user_agent
+        }
+        data.update(tmp_data)
+        write_login_log_async.delay(**data)
 
 
 class UserLoginOtpView(FormView):
@@ -119,22 +159,38 @@ class UserLoginOtpView(FormView):
 
         if check_otp_code(otp_secret_key, otp_code):
             auth_login(self.request, user)
-            self.write_login_log()
+            data = {
+                'username': self.request.user.username,
+                'mfa': int(self.request.user.otp_enabled),
+                'reason': LoginLog.REASON_NOTHING,
+                'status': True
+            }
+            self.write_login_log(data)
             return redirect(self.get_success_url())
         else:
+            data = {
+                'username': user.username,
+                'mfa': int(user.otp_enabled),
+                'reason': LoginLog.REASON_MFA,
+                'status': False
+            }
+            self.write_login_log(data)
             form.add_error('otp_code', _('MFA code invalid'))
             return super().form_invalid(form)
 
     def get_success_url(self):
         return redirect_user_first_login_or_index(self.request, self.redirect_field_name)
 
-    def write_login_log(self):
+    def write_login_log(self, data):
         login_ip = get_login_ip(self.request)
         user_agent = self.request.META.get('HTTP_USER_AGENT', '')
-        write_login_log_async.delay(
-            self.request.user.username, type='W',
-            ip=login_ip, user_agent=user_agent
-        )
+        tmp_data = {
+            'ip': login_ip,
+            'type': 'W',
+            'user_agent': user_agent
+        }
+        data.update(tmp_data)
+        write_login_log_async.delay(**data)
 
 
 @method_decorator(never_cache, name='dispatch')
@@ -209,6 +265,10 @@ class UserResetPasswordView(TemplateView):
         token = request.GET.get('token')
         user = User.validate_reset_token(token)
 
+        check_rules, min_length = get_password_check_rules()
+        password_rules = {'password_check_rules': check_rules, 'min_length': min_length}
+        kwargs.update(password_rules)
+
         if not user:
             kwargs.update({'errors': _('Token invalid or expired')})
         return super().get(request, *args, **kwargs)
@@ -225,6 +285,13 @@ class UserResetPasswordView(TemplateView):
         if not user:
             return self.get(request, errors=_('Token invalid or expired'))
 
+        is_ok = check_password_rules(password)
+        if not is_ok:
+            return self.get(
+                request,
+                errors=_('* Your password does not meet the requirements')
+            )
+
         user.reset_password(password)
         return HttpResponseRedirect(reverse('users:reset-password-success'))
 
@@ -278,6 +345,16 @@ class UserFirstLoginView(LoginRequiredMixin, SessionWizardView):
     def get_form(self, step=None, data=None, files=None):
         form = super().get_form(step, data, files)
         form.instance = self.request.user
+
+        if isinstance(form, forms.UserMFAForm):
+            choices = form.fields["otp_level"].choices
+            if self.request.user.otp_force_enabled:
+                choices = [(k, v) for k, v in choices if k == 2]
+            else:
+                choices = [(k, v) for k, v in choices if k in [0, 1]]
+            form.fields["otp_level"].choices = choices
+            form.fields["otp_level"].initial = self.request.user.otp_level
+
         return form
 
 
diff --git a/apps/users/views/user.py b/apps/users/views/user.py
index 3be4ab6c9..094d2ced2 100644
--- a/apps/users/views/user.py
+++ b/apps/users/views/user.py
@@ -33,9 +33,10 @@ from django.contrib.auth import logout as auth_logout
 from common.const import create_success_msg, update_success_msg
 from common.mixins import JSONResponseMixin
 from common.utils import get_logger, get_object_or_none, is_uuid, ssh_key_gen
+from common.models import Setting
 from .. import forms
 from ..models import User, UserGroup
-from ..utils import AdminUserRequiredMixin, generate_otp_uri, check_otp_code, get_user_or_tmp_user
+from ..utils import AdminUserRequiredMixin, generate_otp_uri, check_otp_code, get_user_or_tmp_user, get_password_check_rules, check_password_rules
 from ..signals import post_user_create
 from ..tasks import write_login_log_async
 
@@ -96,10 +97,29 @@ class UserUpdateView(AdminUserRequiredMixin, SuccessMessageMixin, UpdateView):
     success_message = update_success_msg
 
     def get_context_data(self, **kwargs):
-        context = {'app': _('Users'), 'action': _('Update user')}
+        check_rules, min_length = get_password_check_rules()
+        context = {
+            'app': _('Users'),
+            'action': _('Update user'),
+            'password_check_rules': check_rules,
+            'min_length': min_length
+        }
         kwargs.update(context)
         return super().get_context_data(**kwargs)
 
+    def form_valid(self, form):
+        password = form.cleaned_data.get('password')
+        if not password:
+            return super().form_valid(form)
+
+        is_ok = check_password_rules(password)
+        if not is_ok:
+            form.add_error(
+                "password", _("* Your password does not meet the requirements")
+            )
+            return self.form_invalid(form)
+        return super().form_valid(form)
+
 
 class UserBulkUpdateView(AdminUserRequiredMixin, TemplateView):
     model = User
@@ -318,8 +338,10 @@ class UserProfileView(LoginRequiredMixin, TemplateView):
     template_name = 'users/user_profile.html'
 
     def get_context_data(self, **kwargs):
+        mfa_setting = Setting.objects.filter(name='SECURITY_MFA_AUTH').first()
         context = {
             'action': _('Profile'),
+            'mfa_setting': mfa_setting.cleaned_value if mfa_setting else False,
         }
         kwargs.update(context)
         return super().get_context_data(**kwargs)
@@ -353,9 +375,12 @@ class UserPasswordUpdateView(LoginRequiredMixin, UpdateView):
         return self.request.user
 
     def get_context_data(self, **kwargs):
+        check_rules, min_length = get_password_check_rules()
         context = {
             'app': _('Users'),
             'action': _('Password update'),
+            'password_check_rules': check_rules,
+            'min_length': min_length,
         }
         kwargs.update(context)
         return super().get_context_data(**kwargs)
@@ -364,6 +389,17 @@ class UserPasswordUpdateView(LoginRequiredMixin, UpdateView):
         auth_logout(self.request)
         return super().get_success_url()
 
+    def form_valid(self, form):
+        password = form.cleaned_data.get('new_password')
+        is_ok = check_password_rules(password)
+        if not is_ok:
+            form.add_error(
+                "new_password",
+                _("* Your password does not meet the requirements")
+            )
+            return self.form_invalid(form)
+        return super().form_valid(form)
+
 
 class UserPublicKeyUpdateView(LoginRequiredMixin, UpdateView):
     template_name = 'users/user_pubkey_update.html'
diff --git a/config_example.py b/config_example.py
index 45d4b00f3..a96f0d7c9 100644
--- a/config_example.py
+++ b/config_example.py
@@ -21,10 +21,10 @@ class Config:
     ALLOWED_HOSTS = ['*']
 
     # Development env open this, when error occur display the full process track, Production disable it
-    DEBUG = True
+    DEBUG = os.environ.get("DEBUG") or True
 
     # DEBUG, INFO, WARNING, ERROR, CRITICAL can set. See https://docs.djangoproject.com/en/1.10/topics/logging/
-    LOG_LEVEL = 'DEBUG'
+    LOG_LEVEL = os.environ.get("LOG_LEVEL") or 'DEBUG'
     LOG_DIR = os.path.join(BASE_DIR, 'logs')
 
     # Database setting, Support sqlite3, mysql, postgres ....
@@ -35,12 +35,12 @@ class Config:
     DB_NAME = os.path.join(BASE_DIR, 'data', 'db.sqlite3')
 
     # MySQL or postgres setting like:
-    # DB_ENGINE = 'mysql'
-    # DB_HOST = '127.0.0.1'
-    # DB_PORT = 3306
-    # DB_USER = 'root'
-    # DB_PASSWORD = ''
-    # DB_NAME = 'jumpserver'
+    # DB_ENGINE = os.environ.get("DB_ENGINE") or 'mysql'
+    # DB_HOST = os.environ.get("DB_HOST") or '127.0.0.1'
+    # DB_PORT = os.environ.get("DB_PORT") or 3306
+    # DB_USER = os.environ.get("DB_USER") or 'jumpserver'
+    # DB_PASSWORD = os.environ.get("DB_PASSWORD") or 'weakPassword'
+    # DB_NAME = os.environ.get("DB_NAME") or 'jumpserver'
 
     # When Django start it will bind this host and port
     # ./manage.py runserver 127.0.0.1:8080
@@ -48,14 +48,11 @@ class Config:
     HTTP_LISTEN_PORT = 8080
 
     # Use Redis as broker for celery and web socket
-    REDIS_HOST = '127.0.0.1'
-    REDIS_PORT = 6379
-    REDIS_PASSWORD = ''
-    BROKER_URL = 'redis://%(password)s%(host)s:%(port)s/3' % {
-        'password': REDIS_PASSWORD,
-        'host': REDIS_HOST,
-        'port': REDIS_PORT,
-    }
+    REDIS_HOST = os.environ.get("REDIS_HOST") or '127.0.0.1'
+    REDIS_PORT = os.environ.get("REDIS_PORT") or 6379
+    REDIS_PASSWORD = os.environ.get("REDIS_PASSWORD") or ''
+    REDIS_DB_CELERY = os.environ.get('REDIS_DB') or 3
+    REDIS_DB_CACHE = os.environ.get('REDIS_DB') or 4
 
     def __init__(self):
         pass
diff --git a/jms b/jms
index 0f07f0760..47eb81859 100755
--- a/jms
+++ b/jms
@@ -123,6 +123,7 @@ def start_gunicorn():
         'gunicorn', 'jumpserver.wsgi',
         '-b', bind,
         '-w', str(WORKERS),
+        '-k', 'eventlet',
         '--access-logformat', log_format,
         '-p', pid_file,
     ]
diff --git a/requirements/deb_requirements.txt b/requirements/deb_requirements.txt
index a0ddb7642..f4131a3ea 100644
--- a/requirements/deb_requirements.txt
+++ b/requirements/deb_requirements.txt
@@ -1 +1 @@
-libtiff5-dev libjpeg8-dev zlib1g-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.5-dev tk8.5-dev python-tk python-dev openssl libssl-dev libldap2-dev libsasl2-dev sqlite gcc automake 
+libtiff5-dev libjpeg8-dev zlib1g-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.5-dev tk8.5-dev python-tk python-dev openssl libssl-dev libldap2-dev libsasl2-dev sqlite gcc automake libkrb5-dev
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index e0ecc634e..25d28f259 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -3,10 +3,10 @@ ansible==2.4.2.0
 asn1crypto==0.24.0
 bcrypt==3.1.4
 billiard==3.5.0.3
-boto3==1.6.4
-botocore==1.9.4
+boto3==1.6.5
+botocore==1.9.5
 celery==4.1.0
-certifi==2017.11.5
+certifi==2018.1.18
 cffi==1.11.2
 chardet==3.0.4
 configparser==3.5.0
@@ -31,7 +31,7 @@ ecdsa==0.13
 elasticsearch==6.1.1
 enum-compat==0.0.2
 ephem==3.7.6.0
-eventlet==0.21.0
+eventlet==0.22.1
 ForgeryPy==0.1
 greenlet==0.4.12
 gunicorn==19.7.1
@@ -40,7 +40,6 @@ itsdangerous==0.24
 itypes==1.1.0
 Jinja2==2.10
 jmespath==0.9.3
-jms-es-sdk
 kombu==4.0.2
 ldap3==2.4
 MarkupSafe==1.0
@@ -58,11 +57,11 @@ pyotp==2.2.6
 PyNaCl==1.2.1
 python-dateutil==2.6.1
 python-gssapi==0.6.4
-pytz==2017.3
+pytz==2018.3
 PyYAML==3.12
 redis==2.10.6
 requests==2.18.4
-jms-storage==0.0.13
+jms-storage==0.0.18
 s3transfer==0.1.13
 simplejson==3.13.2
 six==1.11.0
diff --git a/utils/clean_duplicate_user_groups.py b/utils/clean_duplicate_user_groups.py
new file mode 100644
index 000000000..6d00af3e8
--- /dev/null
+++ b/utils/clean_duplicate_user_groups.py
@@ -0,0 +1,75 @@
+#!/usr/bin/python
+#
+
+import os
+import sys
+from collections import Counter
+import django
+from django.db.models import Count
+
+
+if os.path.exists('../apps'):
+    sys.path.insert(0, '../apps')
+elif os.path.exists('./apps'):
+    sys.path.insert(0, './apps')
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "jumpserver.settings")
+django.setup()
+
+from users.models import UserGroup
+from django.core.exceptions import FieldError
+
+
+def clean_group(interactive=True):
+    try:
+        UserGroup.objects.all().filter(is_discard=True).delete()
+    except FieldError:
+        pass
+    groups = UserGroup.objects.all()
+    groups_name_list = groups.values_list('name', flat=True)
+    groups_with_info = groups.annotate(Count('users'))\
+        .annotate(Count('asset_permissions'))
+
+    counter = Counter(groups_name_list)
+    for name, count in counter.items():
+        if count == 0:
+            continue
+        groups_duplicate = groups_with_info.filter(name=name)
+        need_clean_count = groups_duplicate.count()
+
+        for group in groups_duplicate:
+            need_clean = True
+            if group.users__count > 0:
+                need_clean = False
+            elif group.asset_permissions__count > 0:
+                need_clean = False
+            elif need_clean_count == 1:
+                need_clean = False
+
+            if need_clean:
+                confirm = True
+                if interactive:
+                    confirm = False
+                    while True:
+                        confirm = input(
+                            "Delete user group <{}>, create at {}? ([y]/n)".format(
+                                name, group.date_created)
+                        )
+                        if confirm.lower() in ["y", ""]:
+                            confirm = True
+                            break
+                        elif confirm.lower() == "n":
+                            confirm = False
+                            break
+                        else:
+                            print("No valid input")
+                            continue
+                if confirm:
+                    group.delete()
+                    print("Delete success: {}".format(name))
+                    need_clean_count -= 1
+                else:
+                    continue
+
+if __name__ == '__main__':
+    clean_group()
diff --git a/utils/make_migrations.sh b/utils/make_migrations.sh
index fdf1f6efb..4fb8fdacf 100755
--- a/utils/make_migrations.sh
+++ b/utils/make_migrations.sh
@@ -4,3 +4,5 @@
 python3 ../apps/manage.py makemigrations
 
 python3 ../apps/manage.py migrate
+
+python3 ../apps/manage.py makemigrations --merge
diff --git a/utils/upgrade.sh b/utils/upgrade.sh
index e1cdabb76..f700c9f7d 100644
--- a/utils/upgrade.sh
+++ b/utils/upgrade.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if grep -q 'source ~/.autoenv/activate.sh' ~/.bashrc; then
+if grep -q 'source /opt/autoenv/activate.sh' ~/.bashrc; then
     echo -e "\033[31m 正在自动载入 python 环境 \033[0m"
 else
     echo -e "\033[31m 不支持自动升级，请参考 http://docs.jumpserver.org/zh/docs/upgrade.html 手动升级 \033[0m"
@@ -40,5 +40,6 @@ git pull && pip install -r requirements/requirements.txt && cd utils && sh make_
 cd .. && ./jms start all -d
 echo -e "\033[31m 请检查jumpserver是否启动成功 \033[0m"
 echo -e "\033[31m 备份文件存放于$jumpserver_backup目录 \033[0m"
+stty erase ^?
 
 exit 0