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f235e20153
* [Feature] 1. perms actions - 添加 Action Model * [Feature] 2. perms actions - 添加 Action API * [Feature] 3. perms actions - 授权规则: 添加actions字段 * [Feature] 4. perms actions - 授权规则创建页面: 设置 actions 默认 all * [Feature] 5. perms actions - 资产授权工具: 动态给system_user设置actions属性; 修改授权相关的API-serializer类: 添加actions字段值 * [Feature] 6. perms actions - 更新API(用户使用系统用户连接资产时权限校验): 添加actions校验 * [Feature] 7. perms actions - 迁移文件中为已经存在的perms添加默认的action * [Feature] 8. perms actions - 创建授权规则时设置默认action(如果actions字段值为空) * [Feature] 9. check actions - 修改校验用户资产权限API逻辑(添加actions校验) * [Feature] 10. check actions - 修改注释 * [Feature] 11. check actions - 添加API: 获取用户指定资产和系统用户被授权的actions * [Feature] 12. check actions - 添加翻译信息
450 lines
16 KiB
Python
450 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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#
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from hashlib import md5
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from django.core.cache import cache
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from django.conf import settings
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from django.shortcuts import get_object_or_404
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from rest_framework.views import APIView, Response
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from rest_framework.generics import (
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ListAPIView, get_object_or_404,
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)
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from rest_framework.pagination import LimitOffsetPagination
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from common.permissions import IsValidUser, IsOrgAdminOrAppUser
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from common.tree import TreeNodeSerializer
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from common.utils import get_logger
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from orgs.utils import set_to_root_org
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from ..utils import (
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AssetPermissionUtil, parse_asset_to_tree_node, parse_node_to_tree_node,
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check_system_user_action
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)
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from ..hands import (
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AssetGrantedSerializer, User, Asset, Node,
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SystemUser, NodeSerializer
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)
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from .. import serializers
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from ..mixins import AssetsFilterMixin
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from ..models import Action
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logger = get_logger(__name__)
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__all__ = [
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'UserGrantedAssetsApi', 'UserGrantedNodesApi',
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'UserGrantedNodesWithAssetsApi', 'UserGrantedNodeAssetsApi',
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'ValidateUserAssetPermissionApi', 'UserGrantedNodeChildrenApi',
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'UserGrantedNodesWithAssetsAsTreeApi', 'GetUserAssetPermissionActionsApi',
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]
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class UserPermissionCacheMixin:
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cache_policy = '0'
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RESP_CACHE_KEY = '_PERMISSION_RESPONSE_CACHE_{}'
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CACHE_TIME = settings.ASSETS_PERM_CACHE_TIME
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_object = None
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@staticmethod
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def change_org_if_need(request, kwargs):
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if request.user.is_authenticated and \
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request.user.is_superuser or \
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request.user.is_app or \
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kwargs.get('pk') is None:
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set_to_root_org()
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def get_object(self):
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return None
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# 内部使用可控制缓存
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def _get_object(self):
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if not self._object:
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self._object = self.get_object()
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return self._object
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def get_object_id(self):
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obj = self._get_object()
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if obj:
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return str(obj.id)
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return None
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def get_request_md5(self):
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full_path = self.request.get_full_path()
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return md5(full_path.encode()).hexdigest()
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def get_meta_cache_id(self):
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obj = self._get_object()
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util = AssetPermissionUtil(obj, cache_policy=self.cache_policy)
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meta_cache_id = util.cache_meta.get('id')
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return meta_cache_id
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def get_response_cache_id(self):
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obj_id = self.get_object_id()
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request_md5 = self.get_request_md5()
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meta_cache_id = self.get_meta_cache_id()
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resp_cache_id = '{}_{}_{}'.format(obj_id, request_md5, meta_cache_id)
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return resp_cache_id
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def get_response_from_cache(self):
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resp_cache_id = self.get_response_cache_id()
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# 没有数据缓冲
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meta_cache_id = self.get_meta_cache_id()
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if not meta_cache_id:
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return None
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# 从响应缓冲里获取响应
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key = self.RESP_CACHE_KEY.format(resp_cache_id)
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data = cache.get(key)
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if not data:
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return None
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logger.debug("Get user permission from cache: {}".format(self.get_object()))
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response = Response(data)
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return response
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def expire_response_cache(self):
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obj_id = self.get_object_id()
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expire_cache_id = '{}_{}'.format(obj_id, '*')
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key = self.RESP_CACHE_KEY.format(expire_cache_id)
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cache.delete_pattern(key)
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def set_response_to_cache(self, response):
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resp_cache_id = self.get_response_cache_id()
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key = self.RESP_CACHE_KEY.format(resp_cache_id)
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cache.set(key, response.data, self.CACHE_TIME)
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def get(self, request, *args, **kwargs):
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self.change_org_if_need(request, kwargs)
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self.cache_policy = request.GET.get('cache_policy', '0')
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obj = self._get_object()
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if obj is None:
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return super().get(request, *args, **kwargs)
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if AssetPermissionUtil.is_not_using_cache(self.cache_policy):
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return super().get(request, *args, **kwargs)
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elif AssetPermissionUtil.is_refresh_cache(self.cache_policy):
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self.expire_response_cache()
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resp = self.get_response_from_cache()
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if not resp:
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resp = super().get(request, *args, **kwargs)
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self.set_response_to_cache(resp)
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return resp
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class UserGrantedAssetsApi(UserPermissionCacheMixin, AssetsFilterMixin, ListAPIView):
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"""
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用户授权的所有资产
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"""
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permission_classes = (IsOrgAdminOrAppUser,)
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serializer_class = AssetGrantedSerializer
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pagination_class = LimitOffsetPagination
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def get_object(self):
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user_id = self.kwargs.get('pk', '')
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if user_id:
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user = get_object_or_404(User, id=user_id)
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else:
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user = self.request.user
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return user
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def get_queryset(self):
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queryset = []
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user = self.get_object()
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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assets = util.get_assets()
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for k, v in assets.items():
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system_users_granted = [s for s in v if s.protocol == k.protocol]
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k.system_users_granted = system_users_granted
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queryset.append(k)
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return queryset
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def get_permissions(self):
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if self.kwargs.get('pk') is None:
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self.permission_classes = (IsValidUser,)
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return super().get_permissions()
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class UserGrantedNodesApi(UserPermissionCacheMixin, ListAPIView):
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"""
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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
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"""
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permission_classes = (IsOrgAdminOrAppUser,)
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serializer_class = NodeSerializer
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def get_object(self):
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user_id = self.kwargs.get('pk', '')
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if user_id:
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user = get_object_or_404(User, id=user_id)
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else:
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user = self.request.user
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return user
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def get_queryset(self):
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user = self.get_object()
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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nodes = util.get_nodes_with_assets()
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return nodes.keys()
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def get_permissions(self):
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if self.kwargs.get('pk') is None:
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self.permission_classes = (IsValidUser,)
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return super().get_permissions()
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class UserGrantedNodesWithAssetsApi(UserPermissionCacheMixin, AssetsFilterMixin, ListAPIView):
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"""
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用户授权的节点并带着节点下资产的api
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"""
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permission_classes = (IsOrgAdminOrAppUser,)
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serializer_class = serializers.NodeGrantedSerializer
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def get_object(self):
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user_id = self.kwargs.get('pk', '')
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if not user_id:
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user = self.request.user
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else:
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user = get_object_or_404(User, id=user_id)
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return user
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def get_queryset(self):
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queryset = []
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user = self.get_object()
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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nodes = util.get_nodes_with_assets()
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for node, _assets in nodes.items():
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assets = _assets.keys()
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for k, v in _assets.items():
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system_users_granted = [s for s in v if
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s.protocol == k.protocol]
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k.system_users_granted = system_users_granted
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node.assets_granted = assets
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queryset.append(node)
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return queryset
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def sort_assets(self, queryset):
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for node in queryset:
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node.assets_granted = super().sort_assets(node.assets_granted)
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return queryset
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def get_permissions(self):
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if self.kwargs.get('pk') is None:
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self.permission_classes = (IsValidUser,)
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return super().get_permissions()
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class UserGrantedNodesWithAssetsAsTreeApi(UserPermissionCacheMixin, ListAPIView):
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serializer_class = TreeNodeSerializer
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permission_classes = (IsOrgAdminOrAppUser,)
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show_assets = True
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system_user_id = None
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def get_permissions(self):
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if self.kwargs.get('pk') is None:
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self.permission_classes = (IsValidUser,)
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return super().get_permissions()
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def get_object(self):
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user_id = self.kwargs.get('pk', '')
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if not user_id:
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user = self.request.user
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else:
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user = get_object_or_404(User, id=user_id)
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return user
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def list(self, request, *args, **kwargs):
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resp = super().list(request, *args, **kwargs)
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return resp
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def get_queryset(self):
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queryset = []
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self.show_assets = self.request.query_params.get('show_assets', '1') == '1'
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self.system_user_id = self.request.query_params.get('system_user')
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user = self.get_object()
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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if self.system_user_id:
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util.filter_permissions(
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system_users=self.system_user_id
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)
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nodes = util.get_nodes_with_assets()
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for node, assets in nodes.items():
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data = parse_node_to_tree_node(node)
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queryset.append(data)
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if not self.show_assets:
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continue
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for asset, system_users in assets.items():
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data = parse_asset_to_tree_node(node, asset, system_users)
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queryset.append(data)
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queryset = sorted(queryset)
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return queryset
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class UserGrantedNodeAssetsApi(UserPermissionCacheMixin, AssetsFilterMixin, ListAPIView):
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"""
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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
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"""
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permission_classes = (IsOrgAdminOrAppUser,)
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serializer_class = AssetGrantedSerializer
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pagination_class = LimitOffsetPagination
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def get_object(self):
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user_id = self.kwargs.get('pk', '')
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if user_id:
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user = get_object_or_404(User, id=user_id)
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else:
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user = self.request.user
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return user
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def get_queryset(self):
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user = self.get_object()
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node_id = self.kwargs.get('node_id')
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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node = get_object_or_404(Node, id=node_id)
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nodes = util.get_nodes_with_assets()
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assets = nodes.get(node, [])
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for asset, system_users in assets.items():
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asset.system_users_granted = system_users
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assets = list(assets.keys())
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return assets
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def get_permissions(self):
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if self.kwargs.get('pk') is None:
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self.permission_classes = (IsValidUser,)
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return super().get_permissions()
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class UserGrantedNodeChildrenApi(UserPermissionCacheMixin, ListAPIView):
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"""
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获取用户自己授权节点下子节点的api
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"""
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permission_classes = (IsValidUser,)
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serializer_class = serializers.AssetPermissionNodeSerializer
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def get_object(self):
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return self.request.user
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def get_children_queryset(self):
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user = self.get_object()
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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node_id = self.request.query_params.get('id')
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nodes_granted = util.get_nodes_with_assets()
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if not nodes_granted:
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return []
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root_nodes = [node for node in nodes_granted.keys() if node.is_root()]
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queryset = []
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if node_id and node_id in [str(node.id) for node in nodes_granted]:
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node = [node for node in nodes_granted if str(node.id) == node_id][0]
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elif len(root_nodes) == 1:
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node = root_nodes[0]
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node.assets_amount = len(nodes_granted[node])
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queryset.append(node)
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else:
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for node in root_nodes:
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node.assets_amount = len(nodes_granted[node])
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queryset.append(node)
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return queryset
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children = []
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for child in node.get_children():
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if child in nodes_granted:
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child.assets_amount = len(nodes_granted[node])
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children.append(child)
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children = sorted(children, key=lambda x: x.value)
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queryset.extend(children)
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fake_nodes = []
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for asset, system_users in nodes_granted[node].items():
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fake_node = asset.as_node()
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fake_node.assets_amount = 0
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system_users = [s for s in system_users if s.protocol == asset.protocol]
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fake_node.asset.system_users_granted = system_users
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fake_node.key = node.key + ':0'
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fake_nodes.append(fake_node)
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fake_nodes = sorted(fake_nodes, key=lambda x: x.value)
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queryset.extend(fake_nodes)
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return queryset
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def get_search_queryset(self, keyword):
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user = self.get_object()
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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nodes_granted = util.get_nodes_with_assets()
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queryset = []
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for node, assets in nodes_granted.items():
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matched_assets = []
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node_matched = node.value.lower().find(keyword.lower()) >= 0
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asset_has_matched = False
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for asset, system_users in assets.items():
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asset_matched = (asset.hostname.lower().find(keyword.lower()) >= 0) \
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or (asset.ip.find(keyword.lower()) >= 0)
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if node_matched or asset_matched:
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asset_has_matched = True
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fake_node = asset.as_node()
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fake_node.assets_amount = 0
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system_users = [s for s in system_users if
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s.protocol == asset.protocol]
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fake_node.asset.system_users_granted = system_users
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fake_node.key = node.key + ':0'
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matched_assets.append(fake_node)
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if asset_has_matched:
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node.assets_amount = len(matched_assets)
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queryset.append(node)
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queryset.extend(sorted(matched_assets, key=lambda x: x.value))
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return queryset
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def get_queryset(self):
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keyword = self.request.query_params.get('search')
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if keyword:
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return self.get_search_queryset(keyword)
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else:
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return self.get_children_queryset()
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class ValidateUserAssetPermissionApi(UserPermissionCacheMixin, APIView):
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permission_classes = (IsOrgAdminOrAppUser,)
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def get(self, request, *args, **kwargs):
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user_id = request.query_params.get('user_id', '')
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asset_id = request.query_params.get('asset_id', '')
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system_id = request.query_params.get('system_user_id', '')
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action_name = request.query_params.get('action_name', '')
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user = get_object_or_404(User, id=user_id)
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asset = get_object_or_404(Asset, id=asset_id)
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su = get_object_or_404(SystemUser, id=system_id)
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action = get_object_or_404(Action, name=action_name)
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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granted_assets = util.get_assets()
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granted_system_users = granted_assets.get(asset, [])
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if su not in granted_system_users:
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return Response({'msg': False}, status=403)
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_su = next((s for s in granted_system_users if s.id == su.id), None)
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if not check_system_user_action(_su, action):
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return Response({'msg': False}, status=403)
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return Response({'msg': True}, status=200)
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class GetUserAssetPermissionActionsApi(UserPermissionCacheMixin, APIView):
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permission_classes = (IsOrgAdminOrAppUser,)
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def get(self, request, *args, **kwargs):
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user_id = request.query_params.get('user_id', '')
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asset_id = request.query_params.get('asset_id', '')
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system_id = request.query_params.get('system_user_id', '')
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user = get_object_or_404(User, id=user_id)
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asset = get_object_or_404(Asset, id=asset_id)
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su = get_object_or_404(SystemUser, id=system_id)
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util = AssetPermissionUtil(user, cache_policy=self.cache_policy)
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granted_assets = util.get_assets()
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granted_system_users = granted_assets.get(asset, [])
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_su = next((s for s in granted_system_users if s.id == su.id), None)
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if not _su:
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return Response({'actions': []}, status=403)
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actions = [action.name for action in getattr(_su, 'actions', [])]
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return Response({'actions': actions}, status=200)
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