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 SECURITY_GUARD_DATABASE_MANAGER_H
17 #define SECURITY_GUARD_DATABASE_MANAGER_H
18 
19 #include <mutex>
20 #include <set>
21 #include <unordered_map>
22 
23 #include "config_define.h"
24 #include "i_db_listener.h"
25 
26 namespace OHOS::Security::SecurityGuard {
27 class DatabaseManager {
28 public:
29     static DatabaseManager &GetInstance();
30     void Init();
31     int32_t SetAuditState(bool enable);
32     int InsertEvent(uint32_t source, SecEvent& event);
33     int QueryAllEvent(std::string table, std::vector<SecEvent> &events);
34     int QueryRecentEventByEventId(int64_t eventId, SecEvent &event);
35     int QueryRecentEventByEventId(std::string table, const std::vector<int64_t> &eventId, std::vector<SecEvent> &event);
36     int QueryEventByEventIdAndDate(std::string table, std::vector<int64_t> &eventIds, std::vector<SecEvent> &events,
37         std::string beginTime, std::string endTime);
38     int QueryEventByEventId(int64_t eventId, std::vector<SecEvent> &events);
39     int QueryEventByEventId(std::string table, std::vector<int64_t> &eventIds, std::vector<SecEvent> &events);
40     int QueryEventByEventType(std::string table, int32_t eventType, std::vector<SecEvent> &events);
41     int QueryEventByLevel(std::string table, int32_t level, std::vector<SecEvent> &events);
42     int QueryEventByOwner(std::string table, std::string owner, std::vector<SecEvent> &events);
43     int64_t CountAllEvent(std::string table);
44     int64_t CountEventByEventId(int64_t eventId);
45     int DeleteOldEventByEventId(int64_t eventId, int64_t count);
46     int DeleteAllEventByEventId(int64_t eventId);
47     int32_t SubscribeDb(std::vector<int64_t> eventIds, std::shared_ptr<IDbListener> listener);
48     int32_t UnSubscribeDb(std::vector<int64_t> eventIds, std::shared_ptr<IDbListener> listener);
49 
50 private:
51     std::mutex mutex_;
52     std::mutex dbMutex_;
53     std::unordered_map<int64_t, std::set<std::shared_ptr<IDbListener>>> listenerMap_;
54     std::string deviceId_;
55     void FillUserIdAndDeviceId(SecEvent& event);
56     void DbChanged(int32_t optType, const SecEvent &event);
57     int32_t OpenAudit();
58     int32_t CloseAudit();
59 };
60 } // namespace OHOS::Security::SecurityGuard {
61 #endif // SECURITY_GUARD_DATABASE_MANAGER_H