1 /* 2 * Copyright (c) 2022-2023 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 PERMISSION_USED_RECORD_CACHE_H 17 #define PERMISSION_USED_RECORD_CACHE_H 18 19 #include <map> 20 #include <string> 21 #include <set> 22 #include <vector> 23 #include "accesstoken_kit.h" 24 #include "nocopyable.h" 25 #include "permission_record.h" 26 #include "permission_record_node.h" 27 #include "rwlock.h" 28 #include "thread_pool.h" 29 namespace OHOS { 30 namespace Security { 31 namespace AccessToken { 32 class PermissionUsedRecordCache { 33 public: 34 static PermissionUsedRecordCache& GetInstance(); 35 void AddRecordToBuffer(const PermissionRecord& record); 36 void MergeRecord(PermissionRecord& record, std::shared_ptr<PermissionUsedRecordNode> curFindMergePos); 37 void AddToPersistQueue(const std::shared_ptr<PermissionUsedRecordNode> persistPendingBufferHead); 38 void ExecuteReadRecordBufferTask(); 39 int32_t PersistPendingRecords(); 40 int32_t RemoveRecords(const AccessTokenID tokenId); 41 void RemoveFromPersistQueueAndDatabase(const AccessTokenID tokenId); 42 void GetRecords(const std::vector<std::string>& permissionList, 43 const GenericValues& andConditionValues, const GenericValues& orConditionValues, 44 std::vector<GenericValues>& findRecordsValues); 45 void GetFromPersistQueueAndDatabase(const std::set<int32_t>& opCodeList, 46 const GenericValues& andConditionValues, const GenericValues& orConditionValues, 47 std::vector<GenericValues>& findRecordsValues); 48 bool RecordCompare(const AccessTokenID tokenId, const std::set<int32_t>& opCodeList, 49 const GenericValues& andConditionValues, const PermissionRecord& record); 50 void FindTokenIdList(std::set<AccessTokenID>& tokenIdList); 51 void TransferToOpcode(std::set<int32_t>& opCodeList, 52 const std::vector<std::string>& permissionList); 53 void ResetRecordBuffer(const int32_t remainCount, 54 std::shared_ptr<PermissionUsedRecordNode>& persistPendingBufferEnd); 55 void AddRecordNode(const PermissionRecord& record); 56 void DeleteRecordNode(std::shared_ptr<PermissionUsedRecordNode> deleteRecordNode); 57 58 private: 59 int32_t readableSize_ = 0; 60 std::shared_ptr<PermissionUsedRecordNode> recordBufferHead_ = std::make_shared<PermissionUsedRecordNode>(); 61 std::shared_ptr<PermissionUsedRecordNode> curRecordBufferPos_ = recordBufferHead_; 62 std::vector<std::shared_ptr<PermissionUsedRecordNode>> persistPendingBufferQueue_; 63 int64_t nextPersistTimestamp_ = 0L; 64 const static int64_t INTERVAL = 15 * 60 * 1000; // 1s = 1000ms 65 const static int32_t MAX_PERSIST_SIZE = 100; 66 bool persistIsRunning_ = false; 67 // cacheLock1_ is used for locking recordBufferHead_ and curRecordBufferPos_ 68 OHOS::Utils::RWLock cacheLock1_; 69 // cacheLock2_ is used for locking persistPendingBufferQueue_ and persistIsRunning_ 70 OHOS::Utils::RWLock cacheLock2_; 71 OHOS::ThreadPool readRecordBufferTaskWorker_; 72 }; 73 } // namespace AccessToken 74 } // namespace Security 75 } // namespace OHOS 76 #endif // PERMISSION_USED_RECORD_CACHE_H 77