mirror of https://github.com/jumpserver/jumpserver
145 lines
4.7 KiB
Python
145 lines
4.7 KiB
Python
import time
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from datetime import timedelta
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from django.utils import timezone
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from django.utils.translation import ugettext_lazy as _
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from django.conf import settings
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from orgs.mixins.models import OrgModelMixin
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from django.db import models
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from common.utils import lazyproperty
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from common.utils.timezone import as_current_tz
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from common.db.models import JMSBaseModel
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from assets.const import Protocol
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def date_expired_default():
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return timezone.now() + timedelta(seconds=settings.CONNECTION_TOKEN_EXPIRATION)
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class ConnectionToken(OrgModelMixin, JMSBaseModel):
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user = models.ForeignKey(
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'users.User', on_delete=models.SET_NULL, null=True, blank=True,
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related_name='connection_tokens', verbose_name=_('User')
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)
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asset = models.ForeignKey(
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'assets.Asset', on_delete=models.SET_NULL, null=True, blank=True,
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related_name='connection_tokens', verbose_name=_('Asset'),
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)
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protocol = models.CharField(
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choices=Protocol.choices, max_length=16, default=Protocol.ssh, verbose_name=_("Protocol")
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)
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user_display = models.CharField(max_length=128, default='', verbose_name=_("User display"))
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asset_display = models.CharField(max_length=128, default='', verbose_name=_("Asset display"))
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account_username = models.CharField(max_length=128, default='', verbose_name=_("Account"))
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secret = models.CharField(max_length=64, default='', verbose_name=_("Secret"))
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date_expired = models.DateTimeField(
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default=date_expired_default, verbose_name=_("Date expired")
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)
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class Meta:
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ordering = ('-date_expired',)
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verbose_name = _('Connection token')
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permissions = [
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('view_connectiontokensecret', _('Can view connection token secret'))
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]
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@property
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def is_valid(self):
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return not self.is_expired
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@property
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def is_expired(self):
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return self.date_expired < timezone.now()
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@property
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def expire_time(self):
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interval = self.date_expired - timezone.now()
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seconds = interval.total_seconds()
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if seconds < 0:
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seconds = 0
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return int(seconds)
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@classmethod
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def get_default_date_expired(cls):
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return date_expired_default()
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def expire(self):
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self.date_expired = timezone.now()
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self.save()
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def renewal(self):
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""" 续期 Token，将来支持用户自定义创建 token 后，续期策略要修改 """
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self.date_expired = self.get_default_date_expired()
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self.save()
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# actions 和 expired_at 在 check_valid() 中赋值
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actions = expire_at = None
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def check_permission(self):
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from perms.utils.account import PermAccountUtil
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if self.is_expired:
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is_valid = False
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error = _('Connection token expired at: {}').format(as_current_tz(self.date_expired))
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return is_valid, error
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if not self.user or not self.user.is_valid:
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is_valid = False
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error = _('No user or invalid user')
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return is_valid, error
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if not self.asset or self.asset.is_active:
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is_valid = False
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error = _('No asset or inactive asset')
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return is_valid, error
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if not self.account_username:
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is_valid = False
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error = _('No account')
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return is_valid, error
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actions, expire_at = PermAccountUtil().validate_permission(
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self.user, self.asset, self.account_username
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)
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if not actions or expire_at < time.time():
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is_valid = False
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error = _('User has no permission to access asset or permission expired')
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return is_valid, error
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self.actions = actions
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self.expire_at = expire_at
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is_valid, error = True, ''
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return is_valid, error
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@lazyproperty
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def account(self):
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if not self.asset:
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return None
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account = self.asset.accounts.filter(username=self.account_username).first()
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return account
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@lazyproperty
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def domain(self):
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domain = self.asset.domain if self.asset else None
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return domain
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@lazyproperty
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def gateway(self):
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from assets.models import Domain
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if not self.domain:
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return
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self.domain: Domain
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return self.domain.random_gateway()
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@lazyproperty
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def cmd_filter_rules(self):
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from assets.models import CommandFilterRule
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kwargs = {
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'user_id': self.user.id,
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'account': self.account,
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}
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if self.asset:
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kwargs['asset_id'] = self.asset.id
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rules = CommandFilterRule.get_queryset(**kwargs)
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return rules
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class SuperConnectionToken(ConnectionToken):
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class Meta:
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proxy = True
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verbose_name = _("Super connection token")
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