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1 /*
2  * Copyright (C) 2022 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 #ifndef MEDIALIBRARY_PERMISSION_UTILS_H
16 #define MEDIALIBRARY_PERMISSION_UTILS_H
17 
18 #include <array>
19 #include <string>
20 #include <unordered_map>
21 #include <vector>
22 
23 #include "bundle_mgr_interface.h"
24 #include "userfile_manager_types.h"
25 
26 namespace OHOS {
27 namespace Media {
28 const std::string PERMISSION_NAME_READ_MEDIA = "ohos.permission.READ_MEDIA";
29 const std::string PERMISSION_NAME_WRITE_MEDIA = "ohos.permission.WRITE_MEDIA";
30 const std::string PERMISSION_NAME_MEDIA_LOCATION = "ohos.permission.MEDIA_LOCATION";
31 const std::string PERM_READ_IMAGEVIDEO = "ohos.permission.READ_IMAGEVIDEO";
32 const std::string PERM_READ_AUDIO = "ohos.permission.READ_AUDIO";
33 const std::string PERM_READ_DOCUMENT = "ohos.permission.READ_DOCUMENT";
34 const std::string PERM_WRITE_IMAGEVIDEO = "ohos.permission.WRITE_IMAGEVIDEO";
35 const std::string PERM_WRITE_AUDIO = "ohos.permission.WRITE_AUDIO";
36 const std::string PERM_WRITE_DOCUMENT = "ohos.permission.WRITE_DOCUMENT";
37 
38 constexpr int PERM_GRP_SIZE = 3;
39 const std::array<std::string, PERM_GRP_SIZE> READ_PERMS = {
40     PERM_READ_IMAGEVIDEO,
41     PERM_READ_AUDIO,
42     PERM_READ_DOCUMENT
43 };
44 
45 const std::array<std::string, PERM_GRP_SIZE> WRITE_PERMS = {
46     PERM_WRITE_IMAGEVIDEO,
47     PERM_WRITE_AUDIO,
48     PERM_WRITE_DOCUMENT
49 };
50 
51 const std::unordered_map<std::string, MediaTypeMaskInteger> PERM_MASK_MAP = {
52     { PERM_READ_IMAGEVIDEO,          MediaTypeMaskInteger::BIT_IMAGEVIDEO },
53     { PERM_READ_AUDIO,               MediaTypeMaskInteger::BIT_AUDIO },
54     { PERM_READ_DOCUMENT,            MediaTypeMaskInteger::BIT_DOCUMENT },
55     { PERM_WRITE_IMAGEVIDEO,         MediaTypeMaskInteger::BIT_IMAGEVIDEO },
56     { PERM_WRITE_AUDIO,              MediaTypeMaskInteger::BIT_AUDIO },
57     { PERM_WRITE_DOCUMENT,           MediaTypeMaskInteger::BIT_DOCUMENT },
58 };
59 class PermissionUtils {
60 public:
61     static bool CheckCallerPermission(const std::string &permission);
62     static bool CheckCallerPermission(const std::array<std::string, PERM_GRP_SIZE> &perms, const uint32_t permMask);
63     static void GetClientBundle(const int uid, std::string &bundleName, bool &isSystemApp);
64 
65 private:
66     static sptr<AppExecFwk::IBundleMgr> GetSysBundleManager();
67     static sptr<AppExecFwk::IBundleMgr> bundleMgr_;
68     static std::mutex bundleMgrMutex_;
69 };
70 }  // namespace Media
71 }  // namespace OHOS
72 #endif // MEDIALIBRARY_PERMISSION_UTILS_H
73