1 /* 2 * Copyright (c) 2021-2025 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 16 #ifndef OHOS_DISTRIBUTED_HARDWARE_DHUTILS_TOOL_H 17 #define OHOS_DISTRIBUTED_HARDWARE_DHUTILS_TOOL_H 18 19 #include <cstdint> 20 21 #include "cJSON.h" 22 23 #include "device_type.h" 24 25 namespace OHOS { 26 namespace DistributedHardware { 27 /** 28 * return current time in millisecond. 29 */ 30 int64_t GetCurrentTime(); 31 32 /** 33 * return a random string id. 34 */ 35 std::string GetRandomID(); 36 37 std::string GetUUIDByDm(const std::string &networkId); 38 39 std::string GetUDIDByDm(const std::string &networkId); 40 41 DeviceInfo GetLocalDeviceInfo(); 42 43 std::string GetLocalNetworkId(); 44 45 std::string GetLocalUdid(); 46 47 /* Convert uuid to deviceId by sha256 encode */ 48 std::string GetDeviceIdByUUID(const std::string &uuid); 49 50 std::string Sha256(const std::string& string); 51 52 bool IsUInt8(const cJSON* jsonObj); 53 54 bool IsUInt16(const cJSON* jsonObj); 55 56 bool IsInt32(const cJSON* jsonObj); 57 58 bool IsUInt32(const cJSON* jsonObj); 59 60 bool IsBool(const cJSON* jsonObj); 61 62 bool IsString(const cJSON* jsonObj); 63 64 bool IsArray(const cJSON* jsonObj); 65 66 std::string Compress(const std::string& data); 67 std::string Decompress(const std::string& data); 68 69 bool GetSysPara(const char *key, bool &value); 70 71 bool IsIdLengthValid(const std::string &input); 72 73 bool IsMessageLengthValid(const std::string &input); 74 75 bool IsJsonLengthValid(const std::string &jsonStr); 76 77 bool IsArrayLengthValid(const std::vector<std::string> &array); 78 79 bool IsKeySizeValid(const std::string &key); 80 81 bool IsHashSizeValid(const std::string &hashValue); 82 83 int32_t GetDeviceSystemType(const std::string &extraData); 84 } // namespace DistributedHardware 85 } // namespace OHOS 86 #endif 87