1 /*
2  * Copyright (C) 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 BACKUP_HI_AUDIT_H
17 #define BACKUP_HI_AUDIT_H
18 
19 #include <cstdint>
20 #include <mutex>
21 #include <queue>
22 #include <string>
23 #include <sys/stat.h>
24 
25 #include "nocopyable.h"
26 
27 namespace OHOS::Media {
28 #define EXPORT __attribute__ ((visibility ("default")))
29 struct BackupAuditLog {
30     bool isUserBehavior{false};
31     std::string cause;
32     std::string operationType;
33     std::string operationScenario;
34     uint32_t operationCount{0};
35     std::string operationStatus;
36     std::string extend;
37     std::string taskId;
38 
TitleStringBackupAuditLog39     const virtual std::string TitleString() const
40     {
41         return "happenTime,packageName,isForeground,cause,isUserBehavior,operationType,operationScenario,"
42             "operationStatus,operationCount,extend,taskId";
43     }
44 
ToStringBackupAuditLog45     const virtual std::string ToString() const
46     {
47         return cause + "," + std::to_string(isUserBehavior) + "," + operationType + "," + operationScenario +
48             "," + operationStatus + "," + std::to_string(operationCount) + "," + extend + "," + taskId;
49     }
50 };
51 
52 class BackupHiAudit : public NoCopyable {
53 public:
54     EXPORT static BackupHiAudit& GetInstance();
55     EXPORT void Write(const BackupAuditLog& auditLog);
56 
57 private:
58     BackupHiAudit();
59     ~BackupHiAudit();
60 
61     void Init();
62     void GetWriteFilePath();
63     void WriteToFile(const std::string& log);
64     uint64_t GetMilliseconds();
65     std::string GetFormattedTimestamp(time_t timeStamp, const std::string& format);
66     std::string GetFormattedTimestampEndWithMilli();
67     void CleanOldAuditFile();
68     void ZipAuditLog();
69 
70 private:
71     std::mutex mutex_;
72     int writeFd_;
73     std::atomic<uint32_t> writeLogSize_ = 0;
74 };
75 } // namespace OHOS::Media
76 #endif // BACKUP_HI_AUDIT_H