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, "MediaPermission"}; 25 }; 26 27 namespace OHOS { 28 namespace Media { 29 const int32_t ROOT_UID = 0; 30 CheckMicPermission()31int32_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 } 42 }