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jumpserver/apps/perms/utils/permission.py

110 lines
4.5 KiB

from django.db.models import QuerySet
from assets.models import Node, Asset
from common.utils import get_logger, timeit
from perms.models import AssetPermission
logger = get_logger(__file__)
__all__ = ['AssetPermissionUtil']
class AssetPermissionUtil(object):
""" 资产授权相关的方法工具 """
@timeit
def get_permissions_for_user(self, user, with_group=True, flat=False, with_expired=False):
""" 获取用户的授权规则 """
perm_ids = set()
# user
user_perm_ids = AssetPermission.users.through.objects.filter(user_id=user.id) \
.values_list('assetpermission_id', flat=True).distinct()
perm_ids.update(user_perm_ids)
# group
if with_group:
groups = user.groups.all()
group_perm_ids = self.get_permissions_for_user_groups(groups, flat=True)
perm_ids.update(group_perm_ids)
perms = self.get_permissions(ids=perm_ids, with_expired=with_expired)
if flat:
return perms.values_list('id', flat=True)
return perms
def get_permissions_for_user_groups(self, user_groups, flat=False):
""" 获取用户组的授权规则 """
if isinstance(user_groups, list):
group_ids = [g.id for g in user_groups]
else:
group_ids = user_groups.values_list('id', flat=True).distinct()
perm_ids = AssetPermission.user_groups.through.objects \
.filter(usergroup_id__in=group_ids) \
.values_list('assetpermission_id', flat=True).distinct()
perms = self.get_permissions(ids=perm_ids)
if flat:
return perms.values_list('id', flat=True)
return perms
def get_permissions_for_assets(self, assets, with_node=True, flat=False):
""" 获取资产的授权规则"""
perm_ids = set()
assets = self.convert_to_queryset_if_need(assets, Asset)
asset_ids = [str(a.id) for a in assets]
relations = AssetPermission.assets.through.objects.filter(asset_id__in=asset_ids)
asset_perm_ids = relations.values_list('assetpermission_id', flat=True).distinct()
perm_ids.update(asset_perm_ids)
if with_node:
nodes = Asset.get_all_nodes_for_assets(assets)
node_perm_ids = self.get_permissions_for_nodes(nodes, flat=True)
perm_ids.update(node_perm_ids)
perms = self.get_permissions(ids=perm_ids)
if flat:
return perms.values_list('id', flat=True)
return perms
def get_permissions_for_nodes(self, nodes, with_ancestor=False, flat=False):
""" 获取节点的授权规则 """
nodes = self.convert_to_queryset_if_need(nodes, Node)
if with_ancestor:
nodes = Node.get_ancestor_queryset(nodes)
node_ids = nodes.values_list('id', flat=True).distinct()
relations = AssetPermission.nodes.through.objects.filter(node_id__in=node_ids)
perm_ids = relations.values_list('assetpermission_id', flat=True).distinct()
perms = self.get_permissions(ids=perm_ids)
if flat:
return perms.values_list('id', flat=True)
return perms
def get_permissions_for_user_asset(self, user, asset):
""" 获取同时包含用户、资产的授权规则 """
user_perm_ids = self.get_permissions_for_user(user, flat=True)
asset_perm_ids = self.get_permissions_for_assets([asset], flat=True)
perm_ids = set(user_perm_ids) & set(asset_perm_ids)
perms = self.get_permissions(ids=perm_ids)
return perms
def get_permissions_for_user_group_asset(self, user_group, asset):
user_perm_ids = self.get_permissions_for_user_groups([user_group], flat=True)
asset_perm_ids = self.get_permissions_for_assets([asset], flat=True)
perm_ids = set(user_perm_ids) & set(asset_perm_ids)
perms = self.get_permissions(ids=perm_ids)
return perms
@staticmethod
def convert_to_queryset_if_need(objs_or_ids, model):
if not objs_or_ids:
return model.objects.none()
if isinstance(objs_or_ids, QuerySet) and isinstance(objs_or_ids.first(), model):
return objs_or_ids
ids = [
str(i.id) if isinstance(i, model) else i
for i in objs_or_ids
]
return model.objects.filter(id__in=ids)
@staticmethod
def get_permissions(ids, with_expired=False):
perms = AssetPermission.objects.filter(id__in=ids)
if not with_expired:
perms = perms.valid()
return perms.order_by('-date_expired')