mirror of https://github.com/jumpserver/jumpserver
285 lines
10 KiB
Python
285 lines
10 KiB
Python
from __future__ import unicode_literals
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import os
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import uuid
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from django.db import models
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from django.db.models.signals import post_save
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from django.utils.translation import ugettext_lazy as _
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from django.utils import timezone
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from django.conf import settings
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from django.core.files.storage import default_storage
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from django.core.cache import cache
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from users.models import User
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from orgs.mixins.models import OrgModelMixin
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from common.utils import get_command_storage_setting, get_replay_storage_setting
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from .backends import get_multi_command_storage
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from .backends.command.models import AbstractSessionCommand
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class Terminal(models.Model):
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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name = models.CharField(max_length=32, verbose_name=_('Name'))
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remote_addr = models.CharField(max_length=128, blank=True, verbose_name=_('Remote Address'))
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ssh_port = models.IntegerField(verbose_name=_('SSH Port'), default=2222)
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http_port = models.IntegerField(verbose_name=_('HTTP Port'), default=5000)
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command_storage = models.CharField(max_length=128, verbose_name=_("Command storage"), default='default')
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replay_storage = models.CharField(max_length=128, verbose_name=_("Replay storage"), default='default')
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user = models.OneToOneField(User, related_name='terminal', verbose_name='Application User', null=True, on_delete=models.CASCADE)
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is_accepted = models.BooleanField(default=False, verbose_name='Is Accepted')
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is_deleted = models.BooleanField(default=False)
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date_created = models.DateTimeField(auto_now_add=True)
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comment = models.TextField(blank=True, verbose_name=_('Comment'))
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STATUS_KEY_PREFIX = 'terminal_status_'
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@property
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def is_alive(self):
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key = self.STATUS_KEY_PREFIX + str(self.id)
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return bool(cache.get(key))
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@is_alive.setter
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def is_alive(self, value):
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key = self.STATUS_KEY_PREFIX + str(self.id)
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cache.set(key, value, 60)
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@property
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def is_active(self):
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if self.user and self.user.is_active:
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return True
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return False
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@is_active.setter
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def is_active(self, active):
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if self.user:
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self.user.is_active = active
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self.user.save()
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def get_command_storage_setting(self):
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storage_all = get_command_storage_setting()
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if self.command_storage in storage_all:
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storage = storage_all.get(self.command_storage)
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else:
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storage = storage_all.get('default')
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return {"TERMINAL_COMMAND_STORAGE": storage}
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def get_replay_storage_setting(self):
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storage_all = get_replay_storage_setting()
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if self.replay_storage in storage_all:
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storage = storage_all.get(self.replay_storage)
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else:
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storage = storage_all.get('default')
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return {"TERMINAL_REPLAY_STORAGE": storage}
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@property
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def config(self):
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configs = {}
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for k in dir(settings):
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if not k.startswith('TERMINAL'):
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continue
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configs[k] = getattr(settings, k)
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configs.update(self.get_command_storage_setting())
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configs.update(self.get_replay_storage_setting())
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configs.update({
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'SECURITY_MAX_IDLE_TIME': settings.SECURITY_MAX_IDLE_TIME
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})
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return configs
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@property
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def service_account(self):
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return self.user
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def create_app_user(self):
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random = uuid.uuid4().hex[:6]
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user, access_key = User.create_app_user(
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name="{}-{}".format(self.name, random), comment=self.comment
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)
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self.user = user
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self.save()
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return user, access_key
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def delete(self, using=None, keep_parents=False):
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if self.user:
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self.user.delete()
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self.user = None
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self.is_deleted = True
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self.save()
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return
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def __str__(self):
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status = "Active"
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if not self.is_accepted:
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status = "NotAccept"
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elif self.is_deleted:
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status = "Deleted"
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elif not self.is_active:
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status = "Disable"
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return '%s: %s' % (self.name, status)
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class Meta:
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ordering = ('is_accepted',)
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db_table = "terminal"
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class Status(models.Model):
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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session_online = models.IntegerField(verbose_name=_("Session Online"), default=0)
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cpu_used = models.FloatField(verbose_name=_("CPU Usage"))
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memory_used = models.FloatField(verbose_name=_("Memory Used"))
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connections = models.IntegerField(verbose_name=_("Connections"))
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threads = models.IntegerField(verbose_name=_("Threads"))
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boot_time = models.FloatField(verbose_name=_("Boot Time"))
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terminal = models.ForeignKey(Terminal, null=True, on_delete=models.CASCADE)
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date_created = models.DateTimeField(auto_now_add=True)
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class Meta:
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db_table = 'terminal_status'
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get_latest_by = 'date_created'
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def __str__(self):
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return self.date_created.strftime("%Y-%m-%d %H:%M:%S")
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class Session(OrgModelMixin):
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LOGIN_FROM_CHOICES = (
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('ST', 'SSH Terminal'),
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('WT', 'Web Terminal'),
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)
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PROTOCOL_CHOICES = (
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('ssh', 'ssh'),
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('rdp', 'rdp'),
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('vnc', 'vnc'),
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('telnet', 'telnet'),
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)
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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user = models.CharField(max_length=128, verbose_name=_("User"))
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asset = models.CharField(max_length=1024, verbose_name=_("Asset"))
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system_user = models.CharField(max_length=128, verbose_name=_("System user"))
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login_from = models.CharField(max_length=2, choices=LOGIN_FROM_CHOICES, default="ST")
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remote_addr = models.CharField(max_length=15, verbose_name=_("Remote addr"), blank=True, null=True)
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is_finished = models.BooleanField(default=False)
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has_replay = models.BooleanField(default=False, verbose_name=_("Replay"))
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has_command = models.BooleanField(default=False, verbose_name=_("Command"))
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terminal = models.ForeignKey(Terminal, null=True, on_delete=models.SET_NULL)
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protocol = models.CharField(choices=PROTOCOL_CHOICES, default='ssh', max_length=8)
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date_last_active = models.DateTimeField(verbose_name=_("Date last active"), default=timezone.now)
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date_start = models.DateTimeField(verbose_name=_("Date start"), db_index=True, default=timezone.now)
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date_end = models.DateTimeField(verbose_name=_("Date end"), null=True)
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upload_to = 'replay'
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ACTIVE_CACHE_KEY_PREFIX = 'SESSION_ACTIVE_{}'
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_DATE_START_FIRST_HAS_REPLAY_RDP_SESSION = None
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def get_rel_replay_path(self, version=2):
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"""
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获取session日志的文件路径
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:param version: 原来后缀是 .gz，为了统一新版本改为 .replay.gz
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:return:
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"""
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suffix = '.replay.gz'
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if version == 1:
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suffix = '.gz'
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date = self.date_start.strftime('%Y-%m-%d')
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return os.path.join(date, str(self.id) + suffix)
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def get_local_path(self, version=2):
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rel_path = self.get_rel_replay_path(version=version)
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if version == 2:
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local_path = os.path.join(self.upload_to, rel_path)
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else:
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local_path = rel_path
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return local_path
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@property
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def _date_start_first_has_replay_rdp_session(self):
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if self.__class__._DATE_START_FIRST_HAS_REPLAY_RDP_SESSION is None:
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instance = self.__class__.objects.filter(
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protocol='rdp', has_replay=True
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).order_by('date_start').first()
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if not instance:
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date_start = timezone.now() - timezone.timedelta(days=365)
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else:
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date_start = instance.date_start
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self.__class__._DATE_START_FIRST_HAS_REPLAY_RDP_SESSION = date_start
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return self.__class__._DATE_START_FIRST_HAS_REPLAY_RDP_SESSION
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def can_replay(self):
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if self.has_replay:
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return True
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if self.date_start < self._date_start_first_has_replay_rdp_session:
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return True
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return False
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def save_to_storage(self, f):
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local_path = self.get_local_path()
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try:
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name = default_storage.save(local_path, f)
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return name, None
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except OSError as e:
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return None, e
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@classmethod
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def set_sessions_active(cls, sessions_id):
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data = {cls.ACTIVE_CACHE_KEY_PREFIX.format(i): i for i in sessions_id}
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cache.set_many(data, timeout=5*60)
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@classmethod
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def get_active_sessions(cls):
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return cls.objects.filter(is_finished=False)
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def is_active(self):
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if self.protocol in ['ssh', 'telnet']:
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key = self.ACTIVE_CACHE_KEY_PREFIX.format(self.id)
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return bool(cache.get(key))
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return True
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@property
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def command_amount(self):
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command_store = get_multi_command_storage()
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return command_store.count(session=str(self.id))
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@property
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def login_from_display(self):
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return self.get_login_from_display()
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class Meta:
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db_table = "terminal_session"
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ordering = ["-date_start"]
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def __str__(self):
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return "{0.id} of {0.user} to {0.asset}".format(self)
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class Task(models.Model):
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NAME_CHOICES = (
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("kill_session", "Kill Session"),
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)
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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name = models.CharField(max_length=128, choices=NAME_CHOICES, verbose_name=_("Name"))
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args = models.CharField(max_length=1024, verbose_name=_("Args"))
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terminal = models.ForeignKey(Terminal, null=True, on_delete=models.SET_NULL)
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is_finished = models.BooleanField(default=False)
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date_created = models.DateTimeField(auto_now_add=True)
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date_finished = models.DateTimeField(null=True)
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class Meta:
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db_table = "terminal_task"
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class CommandManager(models.Manager):
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def bulk_create(self, objs, **kwargs):
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resp = super().bulk_create(objs, **kwargs)
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for i in objs:
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post_save.send(i.__class__, instance=i, created=True)
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return resp
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class Command(AbstractSessionCommand):
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objects = CommandManager()
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class Meta:
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db_table = "terminal_command"
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ordering = ('-timestamp',)
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