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 <vector>
20 
21 #include "concurrent_map.h"
22 #include "unified_types.h"
23 
24 namespace OHOS {
25 namespace UDMF {
26 class CheckerManager {
27 public:
28     struct CheckInfo {
29         uint32_t tokenId;
30     };
31 
32     class Checker {
33     public:
34         virtual bool IsValid(const std::vector<Privilege> &privileges, const CheckInfo &info) = 0;
35     protected:
36         ~Checker() = default;
37     };
38 
39     static CheckerManager &GetInstance();
40 
41     void RegisterChecker(const std::string &checker, std::function<Checker *()> getter);
42     void LoadCheckers();
43     bool IsValid(const std::vector<Privilege> &privileges, const CheckInfo &info);
44 
45 private:
46     std::map<std::string, Checker *> checkers_;
47     ConcurrentMap<std::string, std::function<Checker *()>> getters_;
48 };
49 } // namespace UDMF
50 } // namespace OHOS
51 #endif // UDMF_CHECKER_MANAGER_H