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 TOKEN_MODIFY_NOTIFIER_H 17 #define TOKEN_MODIFY_NOTIFIER_H 18 19 #include <atomic> 20 #include <set> 21 #include <vector> 22 23 #include "access_token.h" 24 #include "i_token_sync_callback.h" 25 #include "nocopyable.h" 26 #include "rwlock.h" 27 #include "thread_pool.h" 28 #include "callback_death_recipients.h" 29 30 namespace OHOS { 31 namespace Security { 32 namespace AccessToken { 33 class TokenModifyNotifier final { 34 public: 35 static TokenModifyNotifier& GetInstance(); 36 ~TokenModifyNotifier(); 37 void AddHapTokenObservation(AccessTokenID tokenID); 38 void NotifyTokenDelete(AccessTokenID tokenID); 39 void NotifyTokenModify(AccessTokenID tokenID); 40 void NotifyTokenChangedIfNeed(); 41 void NotifyTokenSyncTask(); 42 int32_t GetRemoteHapTokenInfo(const std::string& deviceID, AccessTokenID tokenID); 43 int32_t RegisterTokenSyncCallback(const sptr<IRemoteObject>& callback); 44 void UnRegisterTokenSyncCallback(); 45 46 private: 47 TokenModifyNotifier(); 48 DISALLOW_COPY_AND_MOVE(TokenModifyNotifier); 49 50 bool hasInited_; 51 OHOS::Utils::RWLock initLock_; 52 OHOS::Utils::RWLock listLock_; 53 OHOS::Utils::RWLock notifyLock_; 54 OHOS::ThreadPool notifyTokenWorker_; 55 std::set<AccessTokenID> observationSet_; 56 std::vector<AccessTokenID> deleteTokenList_; 57 std::vector<AccessTokenID> modifiedTokenList_; 58 sptr<ITokenSyncCallback> tokenSyncCallbackObject_ = nullptr; 59 #ifdef TOKEN_SYNC_ENABLE 60 sptr<TokenSyncCallbackDeathRecipient> tokenSyncCallbackDeathRecipient_ = nullptr; 61 #endif 62 }; 63 } // namespace AccessToken 64 } // namespace Security 65 } // namespace OHOS 66 #endif // TOKEN_MODIFY_NOTIFIER_H 67