1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef UDMF_CHECKER_MANAGER_H 17 #define UDMF_CHECKER_MANAGER_H 18 19 #include "concurrent_map.h" 20 #include "unified_types.h" 21 22 namespace OHOS { 23 namespace UDMF { 24 class CheckerManager { 25 public: 26 struct CheckInfo { 27 uint32_t tokenId {0}; 28 }; 29 30 class Checker { 31 public: 32 virtual bool IsValid(const std::vector<Privilege> &privileges, const CheckInfo &info) = 0; 33 protected: 34 ~Checker() = default; 35 }; 36 37 static CheckerManager &GetInstance(); 38 39 void RegisterChecker(const std::string &checker, std::function<Checker *()> getter); 40 void LoadCheckers(); 41 bool IsValid(const std::vector<Privilege> &privileges, const CheckInfo &info); 42 43 private: 44 std::map<std::string, Checker *> checkers_ {}; 45 ConcurrentMap<std::string, std::function<Checker *()>> getters_; 46 }; 47 } // namespace UDMF 48 } // namespace OHOS 49 #endif // UDMF_CHECKER_MANAGER_H