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1 /*
2  * Copyright (c) 2022-2024 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 ACCESS_TOKEN_PERMISSION_CALLBACK_MANAGER_H
17 #define ACCESS_TOKEN_PERMISSION_CALLBACK_MANAGER_H
18 
19 #include <mutex>
20 #include <vector>
21 
22 #include "access_token.h"
23 #include "accesstoken_common_log.h"
24 #include "i_permission_state_callback.h"
25 #include "permission_state_change_info.h"
26 #include "accesstoken_callback_proxys.h"
27 
28 namespace OHOS {
29 namespace Security {
30 namespace AccessToken {
31 struct CallbackRecord {
CallbackRecordCallbackRecord32     CallbackRecord() : scopePtr_(nullptr), callbackObject_(nullptr)
33     {}
CallbackRecordCallbackRecord34     CallbackRecord(std::shared_ptr<PermStateChangeScope> callbackScopePtr, sptr<IRemoteObject> callback)
35         : scopePtr_(callbackScopePtr), callbackObject_(callback)
36     {}
37 
38     std::shared_ptr<PermStateChangeScope> scopePtr_;
39     sptr<IRemoteObject> callbackObject_;
40 };
41 
42 class CallbackManager {
43 public:
44     virtual ~CallbackManager();
45     CallbackManager();
46     static CallbackManager& GetInstance();
47 
48     int32_t AddCallback(const PermStateChangeScope& scope, const sptr<IRemoteObject>& callback);
49     int32_t RemoveCallback(const sptr<IRemoteObject>& callback);
50     bool CalledAccordingToTokenIdLlist(const std::vector<AccessTokenID>& tokenIDList, AccessTokenID tokenID);
51     bool CalledAccordingToPermLlist(const std::vector<std::string>& permList, const std::string& permName);
52     void ExecuteCallbackAsync(AccessTokenID tokenID, const std::string& permName, int32_t changeType);
53 
54 private:
55     void ExecuteAllCallback(std::vector<sptr<IRemoteObject>>& list, AccessTokenID tokenID, const std::string& permName,
56         int32_t changeType);
57     void GetCallbackObjectList(AccessTokenID tokenID, const std::string& permName,
58         std::vector<sptr<IRemoteObject>>& list);
59     std::mutex mutex_;
60     std::vector<CallbackRecord> callbackInfoList_;
61     sptr<IRemoteObject::DeathRecipient> callbackDeathRecipient_;
62 };
63 } // namespace AccessToken
64 } // namespace Security
65 } // namespace OHOS
66 #endif // ACCESS_TOKEN_PERMISSION_CALLBACK_MANAGER_H
67