/* * Copyright (c) 2024 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "preferences_utils.h" #include #include "log_print.h" #include "preferences_errno.h" #include "preferences_value.h" namespace OHOS { namespace NativePreferences { std::string MakeFilePath(const std::string &prefPath, const std::string &suffix) { return prefPath + suffix; } int CheckKey(const std::string &key) { if (key.empty()) { LOG_ERROR("The key string is null or empty."); return E_KEY_EMPTY; } if (MAX_KEY_LENGTH < key.length()) { LOG_ERROR("The key string length should shorter than 1024."); return E_KEY_EXCEED_MAX_LENGTH; } return E_OK; } int CheckValue(const PreferencesValue &value) { auto lengthCheck = [] (uint32_t length, const std::string &errMsg) { if (MAX_VALUE_LENGTH < length) { LOG_ERROR("%{public}s", errMsg.c_str()); return E_VALUE_EXCEED_MAX_LENGTH; } return E_OK; }; if (value.IsString()) { std::string val = value; return lengthCheck(val.length(), "the value string length should shorter than 16 * 1024 * 1024."); } if (value.IsObject()) { Object obj = value; return lengthCheck(obj.valueStr.length(), "the length of the object converted to JSON should be less than 16 *" " 1024 * 1024"); } if (value.IsBigInt()) { BigInt bigint = value; if (bigint.words_.empty()) { LOG_ERROR("BigInt words cannot be empty."); return E_ERROR; } return E_OK; } return E_OK; } } // End of namespace NativePreferences } // End of namespace OHOS