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291 lines
10 KiB
291 lines
10 KiB
# -*- coding: utf-8 -*-
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#
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import time
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from django.db.models.signals import (
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post_save, m2m_changed, pre_delete
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)
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from django.dispatch import receiver
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from django.conf import settings
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from django.db import transaction
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from django.utils import timezone
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from django.utils.functional import LazyObject
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from django.contrib.auth import BACKEND_SESSION_KEY
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from django.utils.translation import ugettext_lazy as _
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from django.utils import translation
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from rest_framework.renderers import JSONRenderer
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from rest_framework.request import Request
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from assets.models import Asset, SystemUser
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from authentication.signals import post_auth_failed, post_auth_success
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from authentication.utils import check_different_city_login_if_need
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from jumpserver.utils import current_request
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from users.models import User
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from users.signals import post_user_change_password
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from terminal.models import Session, Command
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from .utils import write_login_log, create_operate_log
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from . import models, serializers
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from .models import OperateLog
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from orgs.utils import current_org
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from perms.models import AssetPermission, ApplicationPermission
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from terminal.backends.command.serializers import SessionCommandSerializer
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from terminal.serializers import SessionSerializer
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from common.const.signals import POST_ADD, POST_REMOVE, POST_CLEAR
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from common.utils import get_request_ip, get_logger, get_syslogger
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from common.utils.encode import data_to_json
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logger = get_logger(__name__)
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sys_logger = get_syslogger(__name__)
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json_render = JSONRenderer()
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class AuthBackendLabelMapping(LazyObject):
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@staticmethod
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def get_login_backends():
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backend_label_mapping = {}
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for source, backends in User.SOURCE_BACKEND_MAPPING.items():
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for backend in backends:
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backend_label_mapping[backend] = source.label
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backend_label_mapping[settings.AUTH_BACKEND_PUBKEY] = _('SSH Key')
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backend_label_mapping[settings.AUTH_BACKEND_MODEL] = _('Password')
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backend_label_mapping[settings.AUTH_BACKEND_SSO] = _('SSO')
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backend_label_mapping[settings.AUTH_BACKEND_AUTH_TOKEN] = _('Auth Token')
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backend_label_mapping[settings.AUTH_BACKEND_WECOM] = _('WeCom')
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backend_label_mapping[settings.AUTH_BACKEND_DINGTALK] = _('DingTalk')
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backend_label_mapping[settings.AUTH_BACKEND_TEMP_TOKEN] = _('Temporary token')
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return backend_label_mapping
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def _setup(self):
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self._wrapped = self.get_login_backends()
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AUTH_BACKEND_LABEL_MAPPING = AuthBackendLabelMapping()
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M2M_NEED_RECORD = {
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User.groups.through._meta.object_name: (
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_('User and Group'),
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_('{User} JOINED {UserGroup}'),
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_('{User} LEFT {UserGroup}')
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),
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SystemUser.assets.through._meta.object_name: (
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_('Asset and SystemUser'),
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_('{Asset} ADD {SystemUser}'),
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_('{Asset} REMOVE {SystemUser}')
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),
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Asset.nodes.through._meta.object_name: (
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_('Node and Asset'),
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_('{Node} ADD {Asset}'),
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_('{Node} REMOVE {Asset}')
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),
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AssetPermission.users.through._meta.object_name: (
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_('User asset permissions'),
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_('{AssetPermission} ADD {User}'),
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_('{AssetPermission} REMOVE {User}'),
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),
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AssetPermission.user_groups.through._meta.object_name: (
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_('User group asset permissions'),
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_('{AssetPermission} ADD {UserGroup}'),
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_('{AssetPermission} REMOVE {UserGroup}'),
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),
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AssetPermission.assets.through._meta.object_name: (
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_('Asset permission'),
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_('{AssetPermission} ADD {Asset}'),
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_('{AssetPermission} REMOVE {Asset}'),
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),
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AssetPermission.nodes.through._meta.object_name: (
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_('Node permission'),
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_('{AssetPermission} ADD {Node}'),
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_('{AssetPermission} REMOVE {Node}'),
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),
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AssetPermission.system_users.through._meta.object_name: (
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_('Asset permission and SystemUser'),
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_('{AssetPermission} ADD {SystemUser}'),
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_('{AssetPermission} REMOVE {SystemUser}'),
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),
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ApplicationPermission.users.through._meta.object_name: (
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_('User application permissions'),
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_('{ApplicationPermission} ADD {User}'),
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_('{ApplicationPermission} REMOVE {User}'),
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),
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ApplicationPermission.user_groups.through._meta.object_name: (
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_('User group application permissions'),
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_('{ApplicationPermission} ADD {UserGroup}'),
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_('{ApplicationPermission} REMOVE {UserGroup}'),
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),
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ApplicationPermission.applications.through._meta.object_name: (
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_('Application permission'),
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_('{ApplicationPermission} ADD {Application}'),
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_('{ApplicationPermission} REMOVE {Application}'),
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),
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ApplicationPermission.system_users.through._meta.object_name: (
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_('Application permission and SystemUser'),
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_('{ApplicationPermission} ADD {SystemUser}'),
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_('{ApplicationPermission} REMOVE {SystemUser}'),
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),
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}
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M2M_ACTION = {
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POST_ADD: OperateLog.ACTION_CREATE,
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POST_REMOVE: OperateLog.ACTION_DELETE,
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POST_CLEAR: OperateLog.ACTION_DELETE,
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}
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@receiver(m2m_changed)
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def on_m2m_changed(sender, action, instance, reverse, model, pk_set, **kwargs):
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if action not in M2M_ACTION:
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return
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user = current_request.user if current_request else None
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if not user or not user.is_authenticated:
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return
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sender_name = sender._meta.object_name
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if sender_name in M2M_NEED_RECORD:
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org_id = current_org.id
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remote_addr = get_request_ip(current_request)
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user = str(user)
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resource_type, resource_tmpl_add, resource_tmpl_remove = M2M_NEED_RECORD[sender_name]
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action = M2M_ACTION[action]
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if action == OperateLog.ACTION_CREATE:
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resource_tmpl = resource_tmpl_add
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elif action == OperateLog.ACTION_DELETE:
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resource_tmpl = resource_tmpl_remove
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to_create = []
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objs = model.objects.filter(pk__in=pk_set)
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instance_name = instance._meta.object_name
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instance_value = str(instance)
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model_name = model._meta.object_name
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for obj in objs:
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resource = resource_tmpl.format(**{
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instance_name: instance_value,
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model_name: str(obj)
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})[:128] # `resource` 字段只有 128 个字符长 😔
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to_create.append(OperateLog(
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user=user, action=action, resource_type=resource_type,
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resource=resource, remote_addr=remote_addr, org_id=org_id
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))
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OperateLog.objects.bulk_create(to_create)
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@receiver(post_save)
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def on_object_created_or_update(sender, instance=None, created=False, update_fields=None, **kwargs):
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# last_login 改变是最后登录日期, 每次登录都会改变
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if instance._meta.object_name == 'User' and \
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update_fields and 'last_login' in update_fields:
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return
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if created:
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action = models.OperateLog.ACTION_CREATE
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else:
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action = models.OperateLog.ACTION_UPDATE
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create_operate_log(action, sender, instance)
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@receiver(pre_delete)
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def on_object_delete(sender, instance=None, **kwargs):
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create_operate_log(models.OperateLog.ACTION_DELETE, sender, instance)
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@receiver(post_user_change_password, sender=User)
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def on_user_change_password(sender, user=None, **kwargs):
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if not current_request:
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remote_addr = '127.0.0.1'
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change_by = 'System'
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else:
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remote_addr = get_request_ip(current_request)
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if not current_request.user.is_authenticated:
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change_by = str(user)
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else:
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change_by = str(current_request.user)
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with transaction.atomic():
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models.PasswordChangeLog.objects.create(
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user=str(user), change_by=change_by,
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remote_addr=remote_addr,
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)
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def on_audits_log_create(sender, instance=None, **kwargs):
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if sender == models.UserLoginLog:
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category = "login_log"
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serializer_cls = serializers.UserLoginLogSerializer
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elif sender == models.FTPLog:
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category = "ftp_log"
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serializer_cls = serializers.FTPLogSerializer
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elif sender == models.OperateLog:
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category = "operation_log"
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serializer_cls = serializers.OperateLogSerializer
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elif sender == models.PasswordChangeLog:
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category = "password_change_log"
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serializer_cls = serializers.PasswordChangeLogSerializer
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elif sender == Session:
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category = "host_session_log"
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serializer_cls = SessionSerializer
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elif sender == Command:
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category = "session_command_log"
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serializer_cls = SessionCommandSerializer
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else:
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return
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serializer = serializer_cls(instance)
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data = data_to_json(serializer.data, indent=None)
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msg = "{} - {}".format(category, data)
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sys_logger.info(msg)
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def get_login_backend(request):
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backend = request.session.get('auth_backend', '') or \
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request.session.get(BACKEND_SESSION_KEY, '')
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backend_label = AUTH_BACKEND_LABEL_MAPPING.get(backend, None)
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if backend_label is None:
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backend_label = ''
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return backend_label
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def generate_data(username, request, login_type=None):
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user_agent = request.META.get('HTTP_USER_AGENT', '')
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login_ip = get_request_ip(request) or '0.0.0.0'
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if login_type is None and isinstance(request, Request):
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login_type = request.META.get('HTTP_X_JMS_LOGIN_TYPE', 'U')
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if login_type is None:
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login_type = 'W'
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with translation.override('en'):
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backend = str(get_login_backend(request))
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data = {
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'username': username,
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'ip': login_ip,
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'type': login_type,
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'user_agent': user_agent[0:254],
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'datetime': timezone.now(),
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'backend': backend,
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}
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return data
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@receiver(post_auth_success)
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def on_user_auth_success(sender, user, request, login_type=None, **kwargs):
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logger.debug('User login success: {}'.format(user.username))
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check_different_city_login_if_need(user, request)
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data = generate_data(user.username, request, login_type=login_type)
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request.session['login_time'] = data['datetime'].strftime("%Y-%m-%d %H:%M:%S")
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request.session["MFA_VERIFY_TIME"] = int(time.time())
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data.update({'mfa': int(user.mfa_enabled), 'status': True})
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write_login_log(**data)
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@receiver(post_auth_failed)
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def on_user_auth_failed(sender, username, request, reason='', **kwargs):
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logger.debug('User login failed: {}'.format(username))
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data = generate_data(username, request)
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data.update({'reason': reason[:128], 'status': False})
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write_login_log(**data)
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