jumpserver/apps/perms/api/user_permission/mixin.py

93 lines
2.9 KiB
Python

# -*- coding: utf-8 -*-
#
from django.shortcuts import get_object_or_404
from django.utils.translation import gettext_lazy as _
from django.core.cache import cache
from rest_framework.request import Request
from common.utils.http import is_true
from common.utils import lazyproperty, is_uuid
from common.exceptions import JMSObjectDoesNotExist
from rbac.permissions import RBACPermission
from users.models import User
from perms.utils import UserPermTreeRefreshUtil
__all__ = ['SelfOrPKUserMixin', 'RebuildTreeMixin']
class SelfOrPKUserMixin:
kwargs: dict
request: Request
permission_classes = (RBACPermission,)
def get_rbac_perms(self):
if self.request_user_is_self():
return self.self_rbac_perms
else:
return self.admin_rbac_perms
@property
def self_rbac_perms(self):
return (
('list', 'perms.view_myassets'),
('retrieve', 'perms.view_myassets'),
('get_tree', 'perms.view_myassets'),
('GET', 'perms.view_myassets'),
('OPTIONS', 'perms.view_myassets'),
)
@property
def admin_rbac_perms(self):
return (
('list', 'perms.view_userassets'),
('retrieve', 'perms.view_userassets'),
('get_tree', 'perms.view_userassets'),
('GET', 'perms.view_userassets'),
('OPTIONS', 'perms.view_userassets'),
)
@property
def user(self):
if self.request_user_is_self():
user = self.request.user
elif is_uuid(self.kwargs.get('user')):
user = get_object_or_404(User, pk=self.kwargs.get('user'))
elif hasattr(self, 'swagger_fake_view'):
user = self.request.user
else:
raise JMSObjectDoesNotExist(object_name=_('User'))
return user
def request_user_is_self(self):
return self.kwargs.get('user') in ['my', 'self']
class RebuildTreeMixin:
user: User
request: Request
def get(self, request, *args, **kwargs):
UserPermTreeRefreshUtil(self.user).refresh_if_need(force=self.is_force_refresh_tree)
return super().get(request, *args, **kwargs)
@lazyproperty
def is_force_refresh_tree(self):
force = is_true(self.request.query_params.get('rebuild_tree'))
if not force:
force = self.compute_is_force_refresh()
return force
def compute_is_force_refresh(self):
""" 5s 内连续刷新三次转为强制刷新 """
force_timeout = 5
force_max_count = 3
force_cache_key = '{user_id}:{path}'.format(user_id=self.user.id, path=self.request.path)
count = cache.get(force_cache_key, 1)
if count >= force_max_count:
force = True
cache.delete(force_cache_key)
else:
force = False
cache.set(force_cache_key, count + 1, force_timeout)
return force