jumpserver/apps/terminal/models/session/sharing.py

174 lines
5.5 KiB
Python

import datetime
from django.db import models
from django.utils import timezone
from django.utils.translation import gettext_lazy as _
from django.utils.functional import cached_property
from common.db.models import JMSBaseModel
from common.utils import is_uuid
from orgs.mixins.models import OrgModelMixin
from orgs.utils import tmp_to_root_org
from users.models import User
from .session import Session
__all__ = ['SessionSharing', 'SessionJoinRecord']
class SessionSharing(JMSBaseModel, OrgModelMixin):
session = models.ForeignKey(
'terminal.Session', on_delete=models.CASCADE, verbose_name=_('Session')
)
# creator / created_by
creator = models.ForeignKey(
'users.User', on_delete=models.CASCADE, blank=True, null=True,
verbose_name=_('Creator')
)
verify_code = models.CharField(max_length=16, verbose_name=_('Verify code'))
is_active = models.BooleanField(
default=True, verbose_name=_('Active'), db_index=True
)
expired_time = models.IntegerField(
default=0, verbose_name=_('Expired time (min)'), db_index=True
)
users = models.TextField(blank=True, verbose_name=_("User"))
action_permission = models.CharField(
max_length=16, verbose_name=_('Action permission'), default='writable'
)
origin = models.URLField(blank=True, null=True, verbose_name=_('Origin'))
class Meta:
ordering = ('-date_created',)
verbose_name = _('Session sharing')
permissions = [
('add_supersessionsharing', _("Can add super session sharing"))
]
def __str__(self):
return 'Creator: {}'.format(self.creator)
@cached_property
def url(self):
return '%s/koko/share/%s/' % (self.origin, self.id)
@cached_property
def users_display(self):
if not self.users:
return []
with tmp_to_root_org():
users = self.users_queryset
users = [str(user) for user in users]
return users
@cached_property
def users_queryset(self):
user_ids = self.users.split(',')
user_ids = [user_id for user_id in user_ids if is_uuid(user_id)]
if not user_ids:
return User.objects.none()
return User.objects.filter(id__in=user_ids)
@property
def date_expired(self):
return self.date_created + datetime.timedelta(minutes=self.expired_time)
@property
def is_expired(self):
if timezone.now() > self.date_expired:
return False
return True
def can_join(self, joiner):
if not self.is_active:
return False, _('Link not active')
if not self.is_expired:
return False, _('Link expired')
if self.users and str(joiner.id) not in self.users.split(','):
return False, _('User not allowed to join')
return True, ''
class SessionJoinRecord(JMSBaseModel, OrgModelMixin):
LOGIN_FROM = Session.LOGIN_FROM
session = models.ForeignKey(
'terminal.Session', on_delete=models.CASCADE, verbose_name=_('Session')
)
verify_code = models.CharField(max_length=16, verbose_name=_('Verify code'))
sharing = models.ForeignKey(
SessionSharing, on_delete=models.CASCADE,
verbose_name=_('Session sharing')
)
joiner = models.ForeignKey(
'users.User', on_delete=models.CASCADE, blank=True, null=True,
verbose_name=_('Joiner')
)
date_joined = models.DateTimeField(
auto_now_add=True, verbose_name=_("Date joined"), db_index=True,
)
date_left = models.DateTimeField(
verbose_name=_("Date left"), null=True, db_index=True
)
remote_addr = models.CharField(
max_length=128, verbose_name=_("Remote addr"), blank=True, null=True,
db_index=True
)
login_from = models.CharField(
max_length=2, choices=LOGIN_FROM.choices, default="WT",
verbose_name=_("Login from")
)
is_success = models.BooleanField(
default=True, db_index=True, verbose_name=_('Success')
)
reason = models.CharField(
max_length=1024, default='-', blank=True, null=True,
verbose_name=_('Reason')
)
is_finished = models.BooleanField(
default=False, db_index=True, verbose_name=_('Finished')
)
class Meta:
ordering = ('-date_joined',)
verbose_name = _("Session join record")
def __str__(self):
return 'Joiner: {}'.format(self.joiner)
@property
def joiner_display(self):
return str(self.joiner)
def can_join(self):
# sharing
sharing_can_join, reason = self.sharing.can_join(self.joiner)
if not sharing_can_join:
return False, reason
# self
if self.verify_code != self.sharing.verify_code:
return False, _('Invalid verification code')
# Link can only be joined once by the same user.
queryset = SessionJoinRecord.objects.filter(
verify_code=self.verify_code, sharing=self.sharing,
joiner=self.joiner, date_joined__lt=self.date_joined)
if queryset.exists():
return False, _('You have already joined this session')
return True, ''
def join_failed(self, reason):
self.is_success = False
self.reason = reason[:1024]
self.save()
def finished(self):
if self.is_finished:
return
self.date_left = timezone.now()
self.is_finished = True
self.save()
@property
def action_permission(self):
return self.sharing.action_permission