jumpserver/apps/perms/models/perm_node.py

120 lines
3.8 KiB
Python

from django.utils.translation import ugettext_lazy as _
from django.db import models
from django.db.models import F, TextChoices
from common.utils import lazyproperty
from common.db.models import BaseCreateUpdateModel
from assets.models import Asset, Node, FamilyMixin, Account
from orgs.mixins.models import OrgModelMixin
class UserAssetGrantedTreeNodeRelation(OrgModelMixin, FamilyMixin, BaseCreateUpdateModel):
class NodeFrom(TextChoices):
granted = 'granted', 'Direct node granted'
child = 'child', 'Have children node'
asset = 'asset', 'Direct asset granted'
user = models.ForeignKey('users.User', db_constraint=False, on_delete=models.CASCADE)
node = models.ForeignKey('assets.Node', default=None, on_delete=models.CASCADE,
db_constraint=False, null=False, related_name='granted_node_rels')
node_key = models.CharField(max_length=64, verbose_name=_("Key"), db_index=True)
node_parent_key = models.CharField(max_length=64, default='', verbose_name=_('Parent key'),
db_index=True)
node_from = models.CharField(choices=NodeFrom.choices, max_length=16, db_index=True)
node_assets_amount = models.IntegerField(default=0)
@property
def key(self):
return self.node_key
@property
def parent_key(self):
return self.node_parent_key
@classmethod
def get_node_granted_status(cls, user, key):
ancestor_keys = set(cls.get_node_ancestor_keys(key, with_self=True))
ancestor_rel_nodes = cls.objects.filter(user=user, node_key__in=ancestor_keys)
for rel_node in ancestor_rel_nodes:
if rel_node.key == key:
return rel_node.node_from, rel_node
if rel_node.node_from == cls.NodeFrom.granted:
return cls.NodeFrom.granted, None
return '', None
class PermNode(Node):
class Meta:
proxy = True
ordering = []
# 特殊节点
UNGROUPED_NODE_KEY = 'ungrouped'
UNGROUPED_NODE_VALUE = _('Ungrouped')
FAVORITE_NODE_KEY = 'favorite'
FAVORITE_NODE_VALUE = _('Favorite')
node_from = ''
granted_assets_amount = 0
annotate_granted_node_rel_fields = {
'granted_assets_amount': F('granted_node_rels__node_assets_amount'),
'node_from': F('granted_node_rels__node_from')
}
def use_granted_assets_amount(self):
self.assets_amount = self.granted_assets_amount
@classmethod
def get_ungrouped_node(cls, assets_amount):
return cls(
id=cls.UNGROUPED_NODE_KEY,
key=cls.UNGROUPED_NODE_KEY,
value=cls.UNGROUPED_NODE_VALUE,
assets_amount=assets_amount
)
@classmethod
def get_favorite_node(cls, assets_amount):
node = cls(
id=cls.FAVORITE_NODE_KEY,
key=cls.FAVORITE_NODE_KEY,
value=cls.FAVORITE_NODE_VALUE,
)
node.assets_amount = assets_amount
return node
def get_granted_status(self, user):
status, rel_node = UserAssetGrantedTreeNodeRelation.get_node_granted_status(user, self.key)
self.node_from = status
if rel_node:
self.granted_assets_amount = rel_node.node_assets_amount
return status
def save(self):
# 这是个只读 Model
raise NotImplementedError
class PermedAsset(Asset):
class Meta:
proxy = True
verbose_name = _('Permed asset')
permissions = [
('view_myassets', _('Can view my assets')),
('view_userassets', _('Can view user assets')),
('view_usergroupassets', _('Can view usergroup assets')),
]
class PermedAccount(Account):
@lazyproperty
def actions(self):
return 0
class Meta:
proxy = True
verbose_name = _('Permed account')