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 #include <list>
16 #include <map>
17 
18 #include "accesstoken_kit.h"
19 #include "ipc_skeleton.h"
20 #include "media_log.h"
21 #include "media_permission.h"
22 
23 namespace {
24 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = {LOG_CORE, LOG_DOMAIN_PLAYER, "MediaPermission"};
25 };
26 
27 namespace OHOS {
28 namespace Media {
29 const int32_t ROOT_UID = 0;
30 
CheckMicPermission()31 int32_t MediaPermission::CheckMicPermission()
32 {
33     auto callerUid = IPCSkeleton::GetCallingUid();
34     if (callerUid == ROOT_UID) {
35         MEDIA_LOGI("Root user. Permission Granted");
36         return Security::AccessToken::PERMISSION_GRANTED;
37     }
38     Security::AccessToken::AccessTokenID tokenCaller = IPCSkeleton::GetCallingTokenID();
39     return Security::AccessToken::AccessTokenKit::VerifyAccessToken(tokenCaller, "ohos.permission.MICROPHONE");
40 }
41 
CheckNetWorkPermission(int32_t appUid, int32_t appPid, uint32_t appTokenId)42 int32_t MediaPermission::CheckNetWorkPermission(int32_t appUid, int32_t appPid, uint32_t appTokenId)
43 {
44     if (appUid == ROOT_UID) {
45         MEDIA_LOGI("Root user. Permission Granted");
46         return Security::AccessToken::PERMISSION_GRANTED;
47     }
48     MEDIA_LOGD("enter and check appUid: %{public}d", appUid);
49     Security::AccessToken::AccessTokenID tokenCaller = appTokenId;
50     return Security::AccessToken::AccessTokenKit::VerifyAccessToken(tokenCaller, "ohos.permission.INTERNET");
51 }
52 
CheckNetWorkPermission()53 int32_t MediaPermission::CheckNetWorkPermission()
54 {
55     auto callerUid = IPCSkeleton::GetCallingUid();
56     if (callerUid == ROOT_UID) {
57         MEDIA_LOGI("Root user. Permission Granted");
58         return Security::AccessToken::PERMISSION_GRANTED;
59     }
60     Security::AccessToken::AccessTokenID tokenCaller = IPCSkeleton::GetCallingTokenID();
61     return Security::AccessToken::AccessTokenKit::VerifyAccessToken(tokenCaller, "ohos.permission.INTERNET");
62 }
63 
CheckReadMediaPermission()64 int32_t MediaPermission::CheckReadMediaPermission()
65 {
66     auto callerUid = IPCSkeleton::GetCallingUid();
67     if (callerUid == ROOT_UID) {
68         MEDIA_LOGI("Root user. Permission Granted");
69         return Security::AccessToken::PERMISSION_GRANTED;
70     }
71     Security::AccessToken::AccessTokenID tokenCaller = IPCSkeleton::GetCallingTokenID();
72     return Security::AccessToken::AccessTokenKit::VerifyAccessToken(tokenCaller, "ohos.permission.READ_MEDIA");
73 }
74 }
75 }