1 /* 2 * Copyright (c) 2021 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_DM_AUTH_MESSAGE_PROCESSOR_H 17 #define OHOS_DM_AUTH_MESSAGE_PROCESSOR_H 18 19 #include <memory> 20 #include <vector> 21 22 #include "crypto_adapter.h" 23 #include "dm_auth_manager.h" 24 #include "nlohmann/json.hpp" 25 26 namespace OHOS { 27 namespace DistributedHardware { 28 class DmAuthManager; 29 struct DmAuthRequestContext; 30 struct DmAuthResponseContext; 31 class ICryptoAdapter; 32 class AuthMessageProcessor { 33 public: 34 AuthMessageProcessor(std::shared_ptr<DmAuthManager> authMgr); 35 ~AuthMessageProcessor(); 36 std::vector<std::string> CreateAuthRequestMessage(); 37 std::string CreateSimpleMessage(int32_t msgType); 38 int32_t ParseMessage(const std::string &message); 39 void SetRequestContext(std::shared_ptr<DmAuthRequestContext> authRequestContext); 40 void SetResponseContext(std::shared_ptr<DmAuthResponseContext> authResponseContext); 41 std::shared_ptr<DmAuthResponseContext> GetResponseContext(); 42 std::shared_ptr<DmAuthRequestContext> GetRequestContext(); 43 44 private: 45 std::string CreateRequestAuthMessage(nlohmann::json &json); 46 void CreateNegotiateMessage(nlohmann::json &json); 47 void CreateSyncGroupMessage(nlohmann::json &json); 48 void CreateResponseAuthMessage(nlohmann::json &json); 49 void ParseAuthResponseMessage(nlohmann::json &json); 50 int32_t ParseAuthRequestMessage(); 51 void ParseNegotiateMessage(const nlohmann::json &json); 52 void CreateResponseFinishMessage(nlohmann::json &json); 53 void ParseResponseFinishMessage(nlohmann::json &json); 54 55 private: 56 std::weak_ptr<DmAuthManager> authMgr_; 57 std::shared_ptr<ICryptoAdapter> cryptoAdapter_; 58 std::shared_ptr<DmAuthRequestContext> authRequestContext_; 59 std::shared_ptr<DmAuthResponseContext> authResponseContext_; 60 std::vector<nlohmann::json> authSplitJsonList_; 61 }; 62 } // namespace DistributedHardware 63 } // namespace OHOS 64 #endif // OHOS_DM_AUTH_MESSAGE_PROCESSOR_H 65