1 /* 2 * Copyright (c) 2025 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 #define LOG_TAG "CommonUtils" 16 #include "common_utils.h" 17 18 #include "accesstoken_kit.h" 19 #include "config_factory.h" 20 #include "log_print.h" 21 #include "tokenid_kit.h" 22 23 namespace OHOS::DataShare { 24 GetFromSystemApp()25bool& DataShareThreadLocal::GetFromSystemApp() 26 { 27 static thread_local bool isFromSystemApp = true; 28 return isFromSystemApp; 29 } 30 SetFromSystemApp(bool isFromSystemApp)31void DataShareThreadLocal::SetFromSystemApp(bool isFromSystemApp) 32 { 33 GetFromSystemApp() = isFromSystemApp; 34 } 35 IsFromSystemApp()36bool DataShareThreadLocal::IsFromSystemApp() 37 { 38 return GetFromSystemApp(); 39 } 40 CleanFromSystemApp()41void DataShareThreadLocal::CleanFromSystemApp() 42 { 43 SetFromSystemApp(true); 44 } 45 CheckSystemAbility(uint32_t tokenId)46bool CheckSystemAbility(uint32_t tokenId) 47 { 48 Security::AccessToken::ATokenTypeEnum tokenType = 49 Security::AccessToken::AccessTokenKit::GetTokenTypeFlag(tokenId); 50 return (tokenType == Security::AccessToken::ATokenTypeEnum::TOKEN_NATIVE || 51 tokenType == Security::AccessToken::ATokenTypeEnum::TOKEN_SHELL); 52 } 53 54 // GetTokenType use tokenId, and IsSystemApp use fullTokenId, these are different CheckSystemCallingPermission(uint32_t tokenId,uint64_t fullTokenId)55bool CheckSystemCallingPermission(uint32_t tokenId, uint64_t fullTokenId) 56 { 57 if (CheckSystemAbility(tokenId)) { 58 return true; 59 } 60 // IsSystemAppByFullTokenID here is not IPC 61 return Security::AccessToken::TokenIdKit::IsSystemAppByFullTokenID(fullTokenId); 62 } 63 64 } // namespace OHOS::DataShare 65