jumpserver/apps/perms/models.py

71 lines
2.9 KiB
Python

from __future__ import unicode_literals, absolute_import
import functools
from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.utils import timezone
from users.models import User, UserGroup
from assets.models import Asset, AssetGroup, SystemUser
from common.utils import date_expired_default, combine_seq
class AssetPermission(models.Model):
ACTION_CHOICE = (
('1', 'Allow'),
('0', 'Deny'),
)
name = models.CharField(max_length=128, verbose_name=_('Name'))
users = models.ManyToManyField(User, related_name='asset_permissions', blank=True)
user_groups = models.ManyToManyField(UserGroup, related_name='asset_permissions', blank=True)
assets = models.ManyToManyField(Asset, related_name='granted_by_permissions', blank=True)
asset_groups = models.ManyToManyField(AssetGroup, related_name='granted_by_permissions', blank=True)
system_users = models.ManyToManyField(SystemUser, related_name='granted_by_permissions')
action = models.CharField(choices=ACTION_CHOICE, max_length=8, default='1')
is_active = models.BooleanField(default=True, verbose_name=_('Active'))
date_expired = models.DateTimeField(default=date_expired_default, verbose_name=_('Date expired'))
created_by = models.CharField(max_length=128, blank=True, verbose_name=_('Created by'))
date_created = models.DateTimeField(auto_now=True, verbose_name=_('Date created'))
comment = models.TextField(verbose_name=_('Comment'), blank=True)
def __unicode__(self):
return '%(name)s: %(action)s' % {'name': self.name, 'action': self.action}
@property
def is_valid(self):
if self.date_expired < timezone.now() and self.is_active:
return True
return True
@staticmethod
def set_inherit(obj):
setattr(obj, 'inherited', True)
return obj
def get_granted_users(self):
return list(set(self.users.all() or []) | set(self.get_granted_user_groups_member()))
def get_granted_user_groups_member(self):
combine_users = functools.partial(combine_seq, callback=AssetPermission.set_inherit)
try:
return functools.reduce(combine_users, [user_group.users.all()
for user_group in self.user_groups.iterator()])
except TypeError:
return []
def get_granted_assets(self):
return list(set(self.assets.all() or []) | set(self.get_granted_asset_groups_member()))
def get_granted_asset_groups_member(self):
combine_assets = functools.partial(combine_seq, callback=AssetPermission.set_inherit)
try:
return functools.reduce(combine_assets, [asset_group.users.all()
for asset_group in self.asset_groups.iterator()])
except TypeError:
return []
class Meta:
db_table = 'asset_permission'