mirror of https://github.com/jumpserver/jumpserver
459 lines
16 KiB
Python
459 lines
16 KiB
Python
# -*- coding: utf-8 -*-
|
||
#
|
||
import time
|
||
import traceback
|
||
from hashlib import md5
|
||
from django.core.cache import cache
|
||
from django.conf import settings
|
||
from django.shortcuts import get_object_or_404
|
||
from rest_framework.views import APIView, Response
|
||
from rest_framework.generics import (
|
||
ListAPIView, get_object_or_404,
|
||
)
|
||
from rest_framework.pagination import LimitOffsetPagination
|
||
|
||
from common.permissions import IsValidUser, IsOrgAdminOrAppUser
|
||
from common.tree import TreeNodeSerializer
|
||
from common.utils import get_logger
|
||
from ..utils import (
|
||
AssetPermissionUtil, parse_asset_to_tree_node, parse_node_to_tree_node,
|
||
check_system_user_action,
|
||
)
|
||
from ..hands import User, Asset, Node, SystemUser, NodeSerializer
|
||
from .. import serializers, const
|
||
from ..mixins import (
|
||
AssetsFilterMixin,
|
||
)
|
||
from ..models import Action
|
||
|
||
logger = get_logger(__name__)
|
||
|
||
__all__ = [
|
||
'UserGrantedAssetsApi', 'UserGrantedNodesApi',
|
||
'UserGrantedNodesWithAssetsApi', 'UserGrantedNodeAssetsApi',
|
||
'ValidateUserAssetPermissionApi', 'UserGrantedNodeChildrenApi',
|
||
'UserGrantedNodesWithAssetsAsTreeApi', 'GetUserAssetPermissionActionsApi',
|
||
]
|
||
|
||
|
||
class UserPermissionCacheMixin:
|
||
cache_policy = '0'
|
||
RESP_CACHE_KEY = '_PERMISSION_RESPONSE_CACHE_{}'
|
||
CACHE_TIME = settings.ASSETS_PERM_CACHE_TIME
|
||
_object = None
|
||
|
||
def get_object(self):
|
||
return None
|
||
|
||
# 内部使用可控制缓存
|
||
def _get_object(self):
|
||
if not self._object:
|
||
self._object = self.get_object()
|
||
return self._object
|
||
|
||
def get_object_id(self):
|
||
obj = self._get_object()
|
||
if obj:
|
||
return str(obj.id)
|
||
return None
|
||
|
||
def get_request_md5(self):
|
||
path = self.request.path
|
||
query = {k: v for k, v in self.request.GET.items()}
|
||
query.pop("_", None)
|
||
query = "&".join(["{}={}".format(k, v) for k, v in query.items()])
|
||
full_path = "{}?{}".format(path, query)
|
||
return md5(full_path.encode()).hexdigest()
|
||
|
||
def get_meta_cache_id(self):
|
||
obj = self._get_object()
|
||
util = AssetPermissionUtil(obj, cache_policy=self.cache_policy)
|
||
meta_cache_id = util.cache_meta.get('id')
|
||
return meta_cache_id
|
||
|
||
def get_response_cache_id(self):
|
||
obj_id = self.get_object_id()
|
||
request_md5 = self.get_request_md5()
|
||
meta_cache_id = self.get_meta_cache_id()
|
||
resp_cache_id = '{}_{}_{}'.format(obj_id, request_md5, meta_cache_id)
|
||
resp_cache_id = md5(resp_cache_id.encode()).hexdigest()
|
||
return resp_cache_id
|
||
|
||
def get_response_from_cache(self):
|
||
# 没有数据缓冲
|
||
meta_cache_id = self.get_meta_cache_id()
|
||
if not meta_cache_id:
|
||
logger.debug("Not get meta id: {}".format(meta_cache_id))
|
||
return None
|
||
# 从响应缓冲里获取响应
|
||
key = self.get_response_key()
|
||
data = cache.get(key)
|
||
if not data:
|
||
logger.debug("Not get response from cache: {}".format(key))
|
||
return None
|
||
logger.debug("Get user permission from cache: {}".format(self.get_object()))
|
||
response = Response(data)
|
||
return response
|
||
|
||
def expire_response_cache(self):
|
||
obj_id = self.get_object_id()
|
||
expire_cache_id = '{}_{}'.format(obj_id, '*')
|
||
key = self.RESP_CACHE_KEY.format(expire_cache_id)
|
||
cache.delete_pattern(key)
|
||
|
||
def get_response_key(self):
|
||
resp_cache_id = self.get_response_cache_id()
|
||
key = self.RESP_CACHE_KEY.format(resp_cache_id)
|
||
return key
|
||
|
||
def set_response_to_cache(self, response):
|
||
key = self.get_response_key()
|
||
cache.set(key, response.data, self.CACHE_TIME)
|
||
logger.debug("Set response to cache: {}".format(key))
|
||
|
||
def get(self, request, *args, **kwargs):
|
||
self.cache_policy = request.GET.get('cache_policy', '0')
|
||
|
||
obj = self._get_object()
|
||
if obj is None:
|
||
logger.debug("Not get response from cache: obj is none")
|
||
return super().get(request, *args, **kwargs)
|
||
|
||
if AssetPermissionUtil.is_not_using_cache(self.cache_policy):
|
||
logger.debug("Not get resp from cache: {}".format(self.cache_policy))
|
||
return super().get(request, *args, **kwargs)
|
||
elif AssetPermissionUtil.is_refresh_cache(self.cache_policy):
|
||
logger.debug("Not get resp from cache: {}".format(self.cache_policy))
|
||
self.expire_response_cache()
|
||
|
||
logger.debug("Try get response from cache")
|
||
resp = self.get_response_from_cache()
|
||
if not resp:
|
||
resp = super().get(request, *args, **kwargs)
|
||
self.set_response_to_cache(resp)
|
||
return resp
|
||
|
||
|
||
class UserGrantedAssetsApi(UserPermissionCacheMixin, AssetsFilterMixin, ListAPIView):
|
||
"""
|
||
用户授权的所有资产
|
||
"""
|
||
permission_classes = (IsOrgAdminOrAppUser,)
|
||
serializer_class = serializers.AssetGrantedSerializer
|
||
pagination_class = LimitOffsetPagination
|
||
|
||
def get_object(self):
|
||
user_id = self.kwargs.get('pk', '')
|
||
if user_id:
|
||
user = get_object_or_404(User, id=user_id)
|
||
else:
|
||
user = self.request.user
|
||
return user
|
||
|
||
def get_queryset(self):
|
||
queryset = []
|
||
user = self.get_object()
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
assets = util.get_assets()
|
||
for k, v in assets.items():
|
||
system_users_granted = []
|
||
for system_user, actions in v.items():
|
||
system_user.actions = actions
|
||
system_users_granted.append(system_user)
|
||
k.system_users_granted = system_users_granted
|
||
queryset.append(k)
|
||
return queryset
|
||
|
||
def get_permissions(self):
|
||
if self.kwargs.get('pk') is None:
|
||
self.permission_classes = (IsValidUser,)
|
||
return super().get_permissions()
|
||
|
||
|
||
class UserGrantedNodesApi(UserPermissionCacheMixin, ListAPIView):
|
||
"""
|
||
查询用户授权的所有节点的API, 如果是超级用户或者是 app，切换到root org
|
||
"""
|
||
permission_classes = (IsOrgAdminOrAppUser,)
|
||
serializer_class = NodeSerializer
|
||
|
||
def get_object(self):
|
||
user_id = self.kwargs.get('pk', '')
|
||
if user_id:
|
||
user = get_object_or_404(User, id=user_id)
|
||
else:
|
||
user = self.request.user
|
||
return user
|
||
|
||
def get_queryset(self):
|
||
user = self.get_object()
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
nodes = util.get_nodes_with_assets()
|
||
return nodes.keys()
|
||
|
||
def get_permissions(self):
|
||
if self.kwargs.get('pk') is None:
|
||
self.permission_classes = (IsValidUser,)
|
||
return super().get_permissions()
|
||
|
||
|
||
class UserGrantedNodesWithAssetsApi(UserPermissionCacheMixin, AssetsFilterMixin, ListAPIView):
|
||
"""
|
||
用户授权的节点并带着节点下资产的api
|
||
"""
|
||
permission_classes = (IsOrgAdminOrAppUser,)
|
||
serializer_class = serializers.NodeGrantedSerializer
|
||
|
||
def get_object(self):
|
||
user_id = self.kwargs.get('pk', '')
|
||
if not user_id:
|
||
user = self.request.user
|
||
else:
|
||
user = get_object_or_404(User, id=user_id)
|
||
return user
|
||
|
||
def get_queryset(self):
|
||
queryset = []
|
||
user = self.get_object()
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
nodes = util.get_nodes_with_assets()
|
||
for node, _assets in nodes.items():
|
||
assets = _assets.keys()
|
||
for k, v in _assets.items():
|
||
k.system_users_granted = v
|
||
node.assets_granted = assets
|
||
queryset.append(node)
|
||
return queryset
|
||
|
||
def sort_assets(self, queryset):
|
||
for node in queryset:
|
||
node.assets_granted = super().sort_assets(node.assets_granted)
|
||
return queryset
|
||
|
||
def get_permissions(self):
|
||
if self.kwargs.get('pk') is None:
|
||
self.permission_classes = (IsValidUser,)
|
||
return super().get_permissions()
|
||
|
||
|
||
class UserGrantedNodesWithAssetsAsTreeApi(UserPermissionCacheMixin, ListAPIView):
|
||
serializer_class = TreeNodeSerializer
|
||
permission_classes = (IsOrgAdminOrAppUser,)
|
||
show_assets = True
|
||
system_user_id = None
|
||
|
||
def get_permissions(self):
|
||
if self.kwargs.get('pk') is None:
|
||
self.permission_classes = (IsValidUser,)
|
||
return super().get_permissions()
|
||
|
||
def get_object(self):
|
||
user_id = self.kwargs.get('pk', '')
|
||
if not user_id:
|
||
user = self.request.user
|
||
else:
|
||
user = get_object_or_404(User, id=user_id)
|
||
return user
|
||
|
||
def get_queryset(self):
|
||
queryset = []
|
||
self.show_assets = self.request.query_params.get('show_assets', '1') == '1'
|
||
self.system_user_id = self.request.query_params.get('system_user')
|
||
user = self.get_object()
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
if self.system_user_id:
|
||
util.filter_permissions(
|
||
system_users=self.system_user_id
|
||
)
|
||
nodes = util.get_nodes_with_assets()
|
||
for node, assets in nodes.items():
|
||
data = parse_node_to_tree_node(node)
|
||
queryset.append(data)
|
||
if not self.show_assets:
|
||
continue
|
||
for asset, system_users in assets.items():
|
||
data = parse_asset_to_tree_node(node, asset, system_users)
|
||
queryset.append(data)
|
||
return queryset
|
||
|
||
|
||
class UserGrantedNodeAssetsApi(UserPermissionCacheMixin, AssetsFilterMixin, ListAPIView):
|
||
"""
|
||
查询用户授权的节点下的资产的api, 与上面api不同的是，只返回某个节点下的资产
|
||
"""
|
||
permission_classes = (IsOrgAdminOrAppUser,)
|
||
serializer_class = serializers.AssetGrantedSerializer
|
||
pagination_class = LimitOffsetPagination
|
||
|
||
def get_object(self):
|
||
user_id = self.kwargs.get('pk', '')
|
||
|
||
if user_id:
|
||
user = get_object_or_404(User, id=user_id)
|
||
else:
|
||
user = self.request.user
|
||
return user
|
||
|
||
def get_queryset(self):
|
||
user = self.get_object()
|
||
node_id = self.kwargs.get('node_id')
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
nodes = util.get_nodes_with_assets()
|
||
if str(node_id) == const.UNGROUPED_NODE_ID:
|
||
node = util.tree.ungrouped_node
|
||
else:
|
||
node = get_object_or_404(Node, id=node_id)
|
||
if node == util.tree.root_node:
|
||
assets = util.get_assets()
|
||
else:
|
||
assets = nodes.get(node, [])
|
||
for asset, system_users in assets.items():
|
||
asset.system_users_granted = system_users
|
||
|
||
assets = list(assets.keys())
|
||
return assets
|
||
|
||
def get_permissions(self):
|
||
if self.kwargs.get('pk') is None:
|
||
self.permission_classes = (IsValidUser,)
|
||
return super().get_permissions()
|
||
|
||
|
||
class UserGrantedNodeChildrenApi(UserPermissionCacheMixin, ListAPIView):
|
||
"""
|
||
获取用户自己授权节点下子节点的api
|
||
"""
|
||
permission_classes = (IsValidUser,)
|
||
serializer_class = serializers.AssetPermissionNodeSerializer
|
||
|
||
def get_object(self):
|
||
return self.request.user
|
||
|
||
def get_children_queryset(self):
|
||
user = self.get_object()
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
node_id = self.request.query_params.get('id')
|
||
nodes_granted = util.get_nodes_with_assets()
|
||
if not nodes_granted:
|
||
return []
|
||
root_nodes = [node for node in nodes_granted.keys() if node.is_root()]
|
||
|
||
queryset = []
|
||
if node_id and node_id in [str(node.id) for node in nodes_granted]:
|
||
node = [node for node in nodes_granted if str(node.id) == node_id][0]
|
||
elif len(root_nodes) == 1:
|
||
node = root_nodes[0]
|
||
node.assets_amount = len(nodes_granted[node])
|
||
queryset.append(node)
|
||
else:
|
||
for node in root_nodes:
|
||
node.assets_amount = len(nodes_granted[node])
|
||
queryset.append(node)
|
||
return queryset
|
||
|
||
children = []
|
||
for child in node.get_children():
|
||
if child in nodes_granted:
|
||
child.assets_amount = len(nodes_granted[node])
|
||
children.append(child)
|
||
children = sorted(children, key=lambda x: x.value)
|
||
queryset.extend(children)
|
||
fake_nodes = []
|
||
for asset, system_users in nodes_granted[node].items():
|
||
fake_node = asset.as_node()
|
||
fake_node.assets_amount = 0
|
||
system_users = [s for s in system_users if asset.has_protocol(s.protocol)]
|
||
fake_node.asset.system_users_granted = system_users
|
||
fake_node.key = node.key + ':0'
|
||
fake_nodes.append(fake_node)
|
||
fake_nodes = sorted(fake_nodes, key=lambda x: x.value)
|
||
queryset.extend(fake_nodes)
|
||
return queryset
|
||
|
||
def get_search_queryset(self, keyword):
|
||
user = self.get_object()
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
nodes_granted = util.get_nodes_with_assets()
|
||
queryset = []
|
||
for node, assets in nodes_granted.items():
|
||
matched_assets = []
|
||
node_matched = node.value.lower().find(keyword.lower()) >= 0
|
||
asset_has_matched = False
|
||
for asset, system_users in assets.items():
|
||
asset_matched = (asset.hostname.lower().find(keyword.lower()) >= 0) \
|
||
or (asset.ip.find(keyword.lower()) >= 0)
|
||
if node_matched or asset_matched:
|
||
asset_has_matched = True
|
||
fake_node = asset.as_node()
|
||
fake_node.assets_amount = 0
|
||
system_users = [s for s in system_users if
|
||
asset.has_protocol(s.protocol)]
|
||
fake_node.asset.system_users_granted = system_users
|
||
fake_node.key = node.key + ':0'
|
||
matched_assets.append(fake_node)
|
||
if asset_has_matched:
|
||
node.assets_amount = len(matched_assets)
|
||
queryset.append(node)
|
||
queryset.extend(sorted(matched_assets, key=lambda x: x.value))
|
||
return queryset
|
||
|
||
def get_queryset(self):
|
||
keyword = self.request.query_params.get('search')
|
||
if keyword:
|
||
return self.get_search_queryset(keyword)
|
||
else:
|
||
return self.get_children_queryset()
|
||
|
||
|
||
class ValidateUserAssetPermissionApi(UserPermissionCacheMixin, APIView):
|
||
permission_classes = (IsOrgAdminOrAppUser,)
|
||
|
||
def get(self, request, *args, **kwargs):
|
||
user_id = request.query_params.get('user_id', '')
|
||
asset_id = request.query_params.get('asset_id', '')
|
||
system_id = request.query_params.get('system_user_id', '')
|
||
action_name = request.query_params.get('action_name', '')
|
||
|
||
user = get_object_or_404(User, id=user_id)
|
||
asset = get_object_or_404(Asset, id=asset_id)
|
||
su = get_object_or_404(SystemUser, id=system_id)
|
||
action = get_object_or_404(Action, name=action_name)
|
||
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
granted_assets = util.get_assets()
|
||
granted_system_users = granted_assets.get(asset, [])
|
||
|
||
if su not in granted_system_users:
|
||
return Response({'msg': False}, status=403)
|
||
|
||
_su = next((s for s in granted_system_users if s.id == su.id), None)
|
||
if not check_system_user_action(_su, action):
|
||
return Response({'msg': False}, status=403)
|
||
|
||
return Response({'msg': True}, status=200)
|
||
|
||
|
||
class GetUserAssetPermissionActionsApi(UserPermissionCacheMixin, APIView):
|
||
permission_classes = (IsOrgAdminOrAppUser,)
|
||
|
||
def get(self, request, *args, **kwargs):
|
||
user_id = request.query_params.get('user_id', '')
|
||
asset_id = request.query_params.get('asset_id', '')
|
||
system_id = request.query_params.get('system_user_id', '')
|
||
|
||
user = get_object_or_404(User, id=user_id)
|
||
asset = get_object_or_404(Asset, id=asset_id)
|
||
su = get_object_or_404(SystemUser, id=system_id)
|
||
|
||
util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
|
||
granted_assets = util.get_assets()
|
||
granted_system_users = granted_assets.get(asset, [])
|
||
_su = next((s for s in granted_system_users if s.id == su.id), None)
|
||
if not _su:
|
||
return Response({'actions': []}, status=403)
|
||
|
||
actions = [action.name for action in getattr(_su, 'actions', [])]
|
||
return Response({'actions': actions}, status=200)
|
||
|
||
|