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jumpserver/apps/orgs/signals_handler.py

109 lines
3.3 KiB

# -*- coding: utf-8 -*-
#
from collections import defaultdict
from functools import partial
from django.db.models.signals import m2m_changed
from django.db.models.signals import post_save
from django.dispatch import receiver
from orgs.utils import tmp_to_org
from .models import Organization, OrganizationMember
from .hands import set_current_org, Node, get_current_org
from perms.models import (AssetPermission, ApplicationPermission)
from users.models import UserGroup, User
from common.const.signals import PRE_REMOVE, POST_REMOVE
@receiver(post_save, sender=Organization)
def on_org_create_or_update(sender, instance=None, created=False, **kwargs):
if instance:
old_org = get_current_org()
set_current_org(instance)
node_root = Node.org_root()
if node_root.value != instance.name:
node_root.value = instance.name
node_root.save()
set_current_org(old_org)
if instance and not created:
instance.expire_cache()
def _remove_users(model, users, org):
with tmp_to_org(org):
if not isinstance(users, (tuple, list, set)):
users = (users, )
m2m_model = model.users.through
reverse = model.users.reverse
if reverse:
m2m_field_name = model.users.field.m2m_reverse_field_name()
else:
m2m_field_name = model.users.field.m2m_field_name()
relations = m2m_model.objects.filter(**{
'user__in': users,
f'{m2m_field_name}__org_id': org.id
})
object_id_users_id_map = defaultdict(set)
m2m_field_attr_name = f'{m2m_field_name}_id'
for relation in relations:
object_id = getattr(relation, m2m_field_attr_name)
object_id_users_id_map[object_id].add(relation.user_id)
objects = model.objects.filter(id__in=object_id_users_id_map.keys())
send_m2m_change_signal = partial(
m2m_changed.send,
sender=m2m_model, reverse=reverse, model=User, using=model.objects.db
)
for obj in objects:
send_m2m_change_signal(
instance=obj,
pk_set=object_id_users_id_map[obj.id],
action=PRE_REMOVE
)
relations.delete()
for obj in objects:
send_m2m_change_signal(
instance=obj,
pk_set=object_id_users_id_map[obj.id],
action=POST_REMOVE
)
def _clear_users_from_org(org, users):
"""
清理用户在该组织下的相关数据
"""
if not users:
return
models = (AssetPermission, ApplicationPermission, UserGroup)
for m in models:
_remove_users(m, users, org)
@receiver(m2m_changed, sender=OrganizationMember)
def on_org_user_changed(action, instance, reverse, pk_set, **kwargs):
if action == 'post_remove':
if reverse:
user = instance
org_pk_set = pk_set
orgs = Organization.objects.filter(id__in=org_pk_set)
for org in orgs:
if not org.members.filter(id=user.id).exists():
_clear_users_from_org(org, user)
else:
org = instance
user_pk_set = pk_set
leaved_users = set(pk_set) - set(org.members.filter(id__in=user_pk_set).values_list('id', flat=True))
_clear_users_from_org(org, leaved_users)