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 16 #include "device_profile_dumper.h" 17 18 #include "distributed_device_profile_log.h" 19 #include "ipc_skeleton.h" 20 21 namespace OHOS { 22 namespace DistributedDeviceProfile { 23 namespace { 24 constexpr size_t MIN_ARGS_SIZE = 1; 25 const std::string ARGS_HELP = "-h"; 26 const std::string TAG = "DeviceProfileDumper"; 27 constexpr int32_t UID_HIDUMPER = 1212; 28 } 29 DumpDefault(std::string & result)30bool DeviceProfileDumper::DumpDefault(std::string& result) 31 { 32 result.append("DeviceProfile Dump:\n"); 33 // DeviceProfileStorageManager::GetInstance().DumpLocalProfile(result); 34 return true; 35 } 36 Dump(const std::vector<std::string> & args,std::string & result)37bool DeviceProfileDumper::Dump(const std::vector<std::string>& args, std::string& result) 38 { 39 result.clear(); 40 if (!CanDump()) { 41 result.append("Dump failed, not allowed"); 42 return false; 43 } 44 45 if (args.size() < MIN_ARGS_SIZE) { 46 return DumpDefault(result); 47 } 48 49 if (args.size() == MIN_ARGS_SIZE) { 50 // -h 51 if (args[0] == ARGS_HELP) { 52 ShowHelp(result); 53 return true; 54 } 55 } 56 IllegalInput(result); 57 return false; 58 } 59 ShowHelp(std::string & result)60void DeviceProfileDumper::ShowHelp(std::string& result) 61 { 62 result.append("DeviceProfile Dump options:\n") 63 .append(" [-h] [cmd]...\n"); 64 } 65 IllegalInput(std::string & result)66void DeviceProfileDumper::IllegalInput(std::string& result) 67 { 68 result.append("The arguments are illegal and you can enter '-h' for help.\n"); 69 } 70 CanDump()71bool DeviceProfileDumper::CanDump() 72 { 73 auto callingUid = IPCSkeleton::GetCallingUid(); 74 HILOGI("calling uid = %{public}u", callingUid); 75 if (callingUid != UID_HIDUMPER) { 76 return false; 77 } 78 return true; 79 } 80 } // namespace DeviceProfile 81 } // namespace OHOS 82