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1 /*
2  * Copyright (c) 2021 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_VALIDATOR_H
17 #define PERMISSION_VALIDATOR_H
18 #include <set>
19 #include <string>
20 #include "types.h"
21 #include "visibility.h"
22 
23 namespace OHOS {
24 namespace DistributedKv {
25 // Compare function for kvStoreTupleMap_.
26 struct KvStoreTupleCmp {
operatorKvStoreTupleCmp27     bool operator()(const KvStoreTuple &lKey, const KvStoreTuple &rKey) const
28     {
29         if (lKey.userId != rKey.userId) {
30             return lKey.userId < rKey.userId;
31         }
32         if (lKey.appId != rKey.appId) {
33             return lKey.appId < rKey.appId;
34         }
35         if (lKey.storeId != rKey.storeId) {
36             return lKey.storeId < rKey.storeId;
37         }
38 
39         return false;
40     }
41 };
42 
43 class PermissionValidator {
44 public:
45     // check whether the client process have enough privilege to share data with the other devices.
46     // uid: client process uid
47     KVSTORE_API static bool CheckSyncPermission(const std::string &userId, const std::string &appId,
48         std::int32_t uid = 0);
49 
50     KVSTORE_API static bool RegisterPermissionChanged(
51         const KvStoreTuple &kvStoreTuple, const AppThreadInfo &appThreadInfo);
52 
53     KVSTORE_API static void UnregisterPermissionChanged(const KvStoreTuple &kvStoreTuple);
54 
55     KVSTORE_API static void UpdateKvStoreTupleMap(const KvStoreTuple &srcKvStoreTuple,
56                                                   const KvStoreTuple &dstKvStoreTuple);
57 
58     // Check whether the bundle name is in the system service list.
59     KVSTORE_API static bool IsSystemService(const std::string &bundleName);
60 
61     // Check whether the app with this bundle name is auto launch enabled.
62     KVSTORE_API static bool IsAutoLaunchEnabled(const std::string &bundleName);
63 
64 private:
65     static std::set<std::string> systemServiceList_; // the full list for system services.
66     static std::set<std::string> autoLaunchEnableList_; // the list for auto launch enabled app.
67 };
68 } // namespace DistributedKv
69 } // namespace OHOS
70 #endif // PERMISSION_VALIDATOR_H
71