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1 
2 /*
3 * Copyright (c) 2024 Huawei Device Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 
17 #include "media_permission_manager.h"
18 
19 #include <sys/types.h>
20 #include <vector>
21 
22 #include "ability_manager_errors.h"
23 #include "hilog_tag_wrapper.h"
24 #include "hitrace_meter.h"
25 #include "in_process_call_wrapper.h"
26 #include "iservice_registry.h"
27 #include "system_ability_definition.h"
28 #include "uri_permission_utils.h"
29 #include "want.h"
30 
31 namespace OHOS {
32 namespace AAFwk {
33 
GetInstance()34 MediaPermissionManager& MediaPermissionManager::GetInstance()
35 {
36     static MediaPermissionManager mediaPermissionManager;
37     return mediaPermissionManager;
38 }
39 
MediaPermissionManager()40 MediaPermissionManager::MediaPermissionManager() {}
41 
GetMediaLibraryManager()42 Media::MediaLibraryExtendManager *MediaPermissionManager::GetMediaLibraryManager()
43 {
44     TAG_LOGI(AAFwkTag::URIPERMMGR, "GetMediaLibraryExtendManager.");
45     auto mediaLibraryManager = Media::MediaLibraryExtendManager::GetMediaLibraryExtendManager();
46     if (mediaLibraryManager == nullptr) {
47         TAG_LOGE(AAFwkTag::URIPERMMGR, "GetMediaLibraryExtendManager failed.");
48         return mediaLibraryManager;
49     }
50     mediaLibraryManager->InitMediaLibraryExtendManager();
51     return mediaLibraryManager;
52 }
53 
CheckUriPermission(const std::vector<Uri> & uriVec,uint32_t callerTokenId,uint32_t flag)54 std::vector<bool> MediaPermissionManager::CheckUriPermission(const std::vector<Uri> &uriVec,
55     uint32_t callerTokenId, uint32_t flag)
56 {
57     HITRACE_METER_NAME(HITRACE_TAG_ABILITY_MANAGER, __PRETTY_FUNCTION__);
58     TAG_LOGI(AAFwkTag::URIPERMMGR, "uris:%{public}zu, callerTokenId:%{public}u, flag:%{public}u",
59         uriVec.size(), callerTokenId, flag);
60     std::vector<std::string> uriStrVec;
61     std::vector<bool> results = std::vector<bool>(uriVec.size(), false);
62     for (auto &uri: uriVec) {
63         uriStrVec.emplace_back(uri.ToString());
64     }
65     flag &= (Want::FLAG_AUTH_READ_URI_PERMISSION | Want::FLAG_AUTH_WRITE_URI_PERMISSION);
66     auto mediaLibraryManager = GetMediaLibraryManager();
67     if (mediaLibraryManager == nullptr) {
68         TAG_LOGE(AAFwkTag::URIPERMMGR, "GetMediaLibraryManager failed.");
69         return results;
70     }
71     auto ret = IN_PROCESS_CALL(mediaLibraryManager->CheckPhotoUriPermission(callerTokenId, uriStrVec, results, flag));
72     TAG_LOGD(AAFwkTag::URIPERMMGR, "CheckPhotoUriPermission finished.");
73     if (ret != ERR_OK) {
74         TAG_LOGE(AAFwkTag::URIPERMMGR, "Check photo uri permission failed, ret is %{public}d", ret);
75         results = std::vector<bool>(uriStrVec.size(), false);
76         return results;
77     }
78     if (results.size() != uriStrVec.size()) {
79         TAG_LOGE(AAFwkTag::URIPERMMGR, "size of results is unexpected: %{public}zu", results.size());
80         results = std::vector<bool>(uriStrVec.size(), false);
81         return results;
82     }
83     return results;
84 }
85 
GrantUriPermission(const std::vector<std::string> & uris,uint32_t flag,uint32_t callerTokenId,uint32_t targetTokenId,int32_t hideSensitiveType)86 int32_t MediaPermissionManager::GrantUriPermission(const std::vector<std::string> &uris, uint32_t flag,
87     uint32_t callerTokenId, uint32_t targetTokenId, int32_t hideSensitiveType)
88 {
89     HITRACE_METER_NAME(HITRACE_TAG_ABILITY_MANAGER, __PRETTY_FUNCTION__);
90     flag &= (Want::FLAG_AUTH_READ_URI_PERMISSION | Want::FLAG_AUTH_WRITE_URI_PERMISSION);
91     auto photoPermissionType = FlagToFileOpenMode(flag);
92     TAG_LOGI(AAFwkTag::URIPERMMGR, "uris: %{public}zu, flag: %{public}u, photoPermissionType: %{public}d",
93         uris.size(), flag, static_cast<int>(photoPermissionType));
94     auto mediaLibraryManager = GetMediaLibraryManager();
95     if (mediaLibraryManager == nullptr) {
96         TAG_LOGE(AAFwkTag::URIPERMMGR, "GetMediaLibraryManager failed.");
97         return INNER_ERR;
98     }
99     auto mediahideSensitiveType = ConvertHideSensitiveType(hideSensitiveType);
100     auto ret = IN_PROCESS_CALL(mediaLibraryManager->GrantPhotoUriPermission(callerTokenId, targetTokenId, uris,
101         photoPermissionType, mediahideSensitiveType));
102     TAG_LOGD(AAFwkTag::URIPERMMGR, "GrantPhotoUriPermission finished.");
103     if (ret != ERR_OK) {
104         TAG_LOGE(AAFwkTag::URIPERMMGR, "Grant photo uri permission failed, ret is %{public}d", ret);
105         return ret;
106     }
107     return ERR_OK;
108 }
109 
FlagToFileOpenMode(uint32_t flag)110 Media::PhotoPermissionType MediaPermissionManager::FlagToFileOpenMode(uint32_t flag)
111 {
112     if (flag == (Want::FLAG_AUTH_READ_URI_PERMISSION | Want::FLAG_AUTH_WRITE_URI_PERMISSION)) {
113         return Media::PhotoPermissionType::TEMPORARY_READWRITE_IMAGEVIDEO;
114     }
115     if (flag == Want::FLAG_AUTH_WRITE_URI_PERMISSION) {
116         return Media::PhotoPermissionType::TEMPORARY_WRITE_IMAGEVIDEO;
117     }
118     return Media::PhotoPermissionType::TEMPORARY_READ_IMAGEVIDEO;
119 }
120 
ConvertHideSensitiveType(int32_t hideSensitiveType)121 Media::HideSensitiveType MediaPermissionManager::ConvertHideSensitiveType(int32_t hideSensitiveType)
122 {
123     auto mediahideSensitiveType = static_cast<Media::HideSensitiveType>(hideSensitiveType);
124     return mediahideSensitiveType;
125 }
126 
RevokeUriPermission(uint32_t callerTokenId,uint32_t targetTokenId,const std::string & uri)127 int32_t MediaPermissionManager::RevokeUriPermission(uint32_t callerTokenId, uint32_t targetTokenId,
128     const std::string &uri)
129 {
130     HITRACE_METER_NAME(HITRACE_TAG_ABILITY_MANAGER, __PRETTY_FUNCTION__);
131     TAG_LOGI(AAFwkTag::URIPERMMGR, "called, %{private}u, %{private}u, %{private}s",
132         callerTokenId, targetTokenId, uri.c_str());
133     std::vector<std::string> uris = { uri };
134     auto mediaLibraryManager = GetMediaLibraryManager();
135     if (mediaLibraryManager == nullptr) {
136         TAG_LOGE(AAFwkTag::URIPERMMGR, "GetMediaLibraryManager failed.");
137         return INNER_ERR;
138     }
139     auto ret = IN_PROCESS_CALL(mediaLibraryManager->CancelPhotoUriPermission(callerTokenId, targetTokenId, uris));
140     if (ret != ERR_OK) {
141         TAG_LOGE(AAFwkTag::URIPERMMGR, "Revoke media uri permission failed, ret:%{public}d", ret);
142         return ret;
143     }
144     return ERR_OK;
145 }
146 } // OHOS
147 } // AAFwk