using System.Collections.Generic;
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using System;
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using MQTTnet.Client;
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using System.Threading.Tasks;
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using Shared;
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using System.Text;
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using System.Security.Cryptography;
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using System.IO;
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using HDL_ON.DAL;
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using HDL_ON.UI;
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using MQTTnet;
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using HDL_ON.DAL.Server;
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namespace HDL_ON.DAL.Net
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{
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public static class MqttCommon
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{
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static string mqttEncryptKey = "";
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static string checkGatewayTopicBase64 = "";
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static RemoteMACInfo CurRemoteMACInfo = null;
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/// <summary>
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/// 手机标识
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/// </summary>
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static Guid currentGuid = Guid.NewGuid();
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/// <summary>
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/// 外网的MQTT是否正在连接
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/// </summary>
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static object isConnecting = false.ToString();
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/// <summary>
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/// 远程MqttClient
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/// </summary>
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public static IMqttClient RemoteMqttClient;
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static bool thisShowTip = true;
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public static async System.Threading.Tasks.Task Close(bool RemoveRemoteMqttClient = false)
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{
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try
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{
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if (RemoteMqttClient != null)
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{
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//thisShowTip = true;
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await RemoteMqttClient.DisconnectAsync();
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}
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if (RemoveRemoteMqttClient)
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{
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RemoteMqttClient = null;
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}
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CommonPage.IsRemote = false;
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}
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catch { }
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}
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static DateTime dateTime = DateTime.MinValue;
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/// <summary>
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/// 启动远程Mqtt
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/// </summary>
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public static async System.Threading.Tasks.Task StartCloudMqtt()
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{
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/*
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try
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{
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Application.RunOnMainThread(() =>
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{
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if (5 < (DateTime.Now - dateTime).TotalSeconds)
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{
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return;
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}
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dateTime = DateTime.Now;
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});
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if (!MainPage.LoginUser.IsLogin)
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{
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isConnecting = false.ToString();
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return;
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}
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while (isConnecting.ToString() == true.ToString())
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{
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if (5 < (DateTime.Now - dateTime).TotalSeconds)
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{
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break;
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}
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await System.Threading.Tasks.Task.Delay(500);
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}
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lock (isConnecting)
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{
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if (isConnecting.ToString() == true.ToString())
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{
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return;
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}
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isConnecting = true.ToString();
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if (RemoteMqttClient != null)
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{
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MainPage.Log($"RemoteMqttClient.IsConnected: {RemoteMqttClient.IsConnected}");
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}
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//if (RemoteMqttClient != null && RemoteMqttClient.IsConnected) {
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// return;
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//}
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new System.Threading.Thread(async () =>
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{
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try
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{
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//断开后重新链接需要重新登录获取连接的密码
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var requestObj = new LoginObj() { Account = MainPage.LoginUser.AccountString.ToLower(), Password = MainPage.LoginUser.Password, Company = 1 };
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var requestJson = Newtonsoft.Json.JsonConvert.SerializeObject(requestObj);
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var tempResult = HttpServerRequest.RequestHttps("Login", requestJson, "");
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if (tempResult == null)
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{
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//----------
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return;
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}
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var responsePack = tempResult.ResponseData;
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var dictrionaryResult = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>>(tempResult.ResponseData.ToString());
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var mqttRequestPar = Newtonsoft.Json.JsonConvert.DeserializeObject<UserLoginRes>(tempResult.ResponseData.ToString());
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//还有种情况是同一个ID 有多个设备用这个id连接（会导致中断）
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//mqttEncryptKey = dictrionaryResult ["HdlOnMqttKey"]?.ToString ();
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var url = dictrionaryResult["ConnectMqttBrokerLoadSubDomain"]?.ToString();
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var clientId = dictrionaryResult["ConnectMqttClientId"]?.ToString();
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var username = dictrionaryResult["ConnectMqttBrokerUserName"]?.ToString();
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var passwordRemote = dictrionaryResult["ConnectMqttBrokerPwd"]?.ToString();
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if (RemoteMqttClient == null)
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{
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var requestObj3 = new GatewayByRegionListObj() { RegionID = UserConfig.Instance.CurrentRegion.RegionID };
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MainPage.Log("Remote mqtt get Region MAC : " + UserConfig.Instance.CurrentRegion.RegionID);
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var requestJson3 = Newtonsoft.Json.JsonConvert.SerializeObject(requestObj3);
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var revertObj3 = HttpServerRequest.RequestHttps("GatewayByRegionList", requestJson3, true);
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if (revertObj3.StateCode == "SUCCESS")
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{
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var responseDataObj = Newtonsoft.Json.JsonConvert.DeserializeObject<List<GatewayRes>>(revertObj3.ResponseData.ToString());
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var gatewayList = responseDataObj;
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if (gatewayList != null && gatewayList.Count > 0)
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{
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UserConfig.Instance.CurrentRegion.MAC = gatewayList[0].MAC;
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UserConfig.Instance.SaveUserConfig();
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MainPage.Log("Remote mqtt get Region MAC : " + gatewayList[0].MAC);
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}
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}
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else
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{
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MainPage.Log("Remote mqtt get Region MAC Erorr !!");
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}
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//(2)创建Mqtt客户端
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RemoteMqttClient = new MqttFactory().CreateMqttClient();
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//(3)当[连接云端的Mqtt成功后]或者[以及后面App通过云端Mqtt转发数据给网关成功后],处理接收到云端数据包响应时在mqttServerClient_ApplicationMessageReceived这个方法处理
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RemoteMqttClient.UseApplicationMessageReceivedHandler(async e =>
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{
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if (isConnecting.ToString() == true.ToString())
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isConnecting = false.ToString();
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var aesDecryptTopic = e.ApplicationMessage.Topic;
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var aesDecryptPayload = e.ApplicationMessage.Payload;
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MainPage.Log(aesDecryptTopic);
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if (aesDecryptTopic == $"NotifyBusGateWayInfoChagne/{CurRemoteMACInfo.md5_mac_string}")
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{//网关上线，需要更新aeskey
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//----第二步：读取账号下面的网关列表
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var gatewayListUrl = @"https://developer.hdlcontrol.com/Center/Center/GetGatewayPagger"; //App、Buspro软件登录后获取网关列表 http 请求
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var gatewayListRequestPar = new RemoteRequestParameters() { Mac = CurRemoteMACInfo.mac, LoginAccessToken = mqttRequestPar.Token, RequestVersion = "RequestVersion1", RequestProtocolType = 0, RequestSource = 1 };
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var gatewayListRequestResult = HttpServerRequest.RequestHttps("", Newtonsoft.Json.JsonConvert.SerializeObject(gatewayListRequestPar), false, gatewayListUrl);
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var gatewayListRequestResult_Obj = Newtonsoft.Json.JsonConvert.DeserializeObject<MqttRemoteInfo>(gatewayListRequestResult.ResponseData.ToString());
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if (gatewayListRequestResult_Obj != null && gatewayListRequestResult_Obj.pageData.Count > 0)
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{
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CurRemoteMACInfo.aesKey = gatewayListRequestResult_Obj.pageData[0].aesKey;
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mqttEncryptKey = CurRemoteMACInfo.aesKey;
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}
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}
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if (aesDecryptTopic == "YouIpAndPortNoRecord" || aesDecryptTopic == "DecryptFail")
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{// --> 你当前的IP及端口在云端不存在,请重新登录连接下!
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await Close(true);
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//await MqttCheckGateway ();
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}
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else if (aesDecryptTopic == @"/BeingSqueezedOffline")
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{
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try
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{
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}
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catch (Exception ex)
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{
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MainPage.Log(ex.Message);
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}
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finally
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{
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}
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}
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else
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{
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if (!string.IsNullOrEmpty(mqttEncryptKey))
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{
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aesDecryptTopic = Shared.Securitys.EncryptionService.AesDecryptTopic(e.ApplicationMessage.Topic, mqttEncryptKey);
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aesDecryptPayload = Shared.Securitys.EncryptionService.AesDecryptPayload(e.ApplicationMessage.Payload, mqttEncryptKey);
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}
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else
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{
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aesDecryptTopic = e.ApplicationMessage.Topic;
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aesDecryptPayload = e.ApplicationMessage.Payload;
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}
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}
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MainPage.Log($"Des Topic={aesDecryptTopic}");
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var packet = new Packet();
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packet.Bytes = aesDecryptPayload;
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packet.Manager();
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});
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RemoteMqttClient.UseDisconnectedHandler(e =>
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{
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if (thisShowTip)
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{
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if (CommonPage.IsRemote)
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{
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//----------
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}
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}
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else
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{
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thisShowTip = true;
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}
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});
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RemoteMqttClient.UseConnectedHandler(async e =>
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{
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if (CurRemoteMACInfo != null)
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{
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if (CurRemoteMACInfo.isValid == "InValid")
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{
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//----------
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}
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else
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{
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CommonPage.IsRemote = true;
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//----------
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}
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}
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});
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}
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if (clientId == null || username == null || passwordRemote == null)
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{
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return;
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}
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if (tempResult == null)
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{
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//----------
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return;
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}
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//--第一步：获取mqtt链接参数
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var mqttInfoUrl = @"https://developer.hdlcontrol.com/Center/Center/GetConnMqttInfo";//获取连接远程云端Emq Mqtt 服务器连接信息
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var mqttInfoRequestPar = new RemoteRequestParameters() { LoginAccessToken = mqttRequestPar.Token, RequestVersion = "RequestVersion1", RequestProtocolType = 0, RequestSource = 1 };
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var mqttInfoRequestResult = HttpServerRequest.RequestHttps("", Newtonsoft.Json.JsonConvert.SerializeObject(mqttInfoRequestPar), false, mqttInfoUrl);
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if (mqttInfoRequestResult != null && mqttInfoRequestResult.ResponseData != null)
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{
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try
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{
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var mqttInfoRequestResult_Obj = Newtonsoft.Json.JsonConvert.DeserializeObject<MqttInfo>(mqttInfoRequestResult.ResponseData.ToString());
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if (mqttInfoRequestResult_Obj != null)
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{
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url = mqttInfoRequestResult_Obj.connEmqDomainPort;
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clientId = mqttInfoRequestResult_Obj.connEmqClientId;
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username = mqttInfoRequestResult_Obj.connEmqUserName;
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passwordRemote = mqttInfoRequestResult_Obj.connEmqPwd;
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//----第二步：读取账号下面的网关列表
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var gatewayListUrl = @"https://developer.hdlcontrol.com/Center/Center/GetGatewayPagger"; //App、Buspro软件登录后获取网关列表 http 请求
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var gatewayListRequestPar = new RemoteRequestParameters() { LoginAccessToken = mqttRequestPar.Token, RequestVersion = "RequestVersion1", RequestProtocolType = 0, RequestSource = 1 };
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var gatewayListRequestResult = HttpServerRequest.RequestHttps("", Newtonsoft.Json.JsonConvert.SerializeObject(gatewayListRequestPar), false, gatewayListUrl);
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var gatewayListRequestResult_Obj = Newtonsoft.Json.JsonConvert.DeserializeObject<MqttRemoteInfo>(gatewayListRequestResult.ResponseData.ToString());
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//--找出是否存在匹配当前住宅的mac，存在再进行远程。
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CurRemoteMACInfo = gatewayListRequestResult_Obj.pageData.Find((obj) => obj.mac == UserConfig.Instance.CurrentRegion.MAC);
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if (CurRemoteMACInfo != null)
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{
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CurRemoteMACInfo.LoginAccessToken = mqttRequestPar.Token;
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mqttEncryptKey = CurRemoteMACInfo.aesKey;
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var options1 = new MQTTnet.Client.Options.MqttClientOptionsBuilder()
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.WithClientId(clientId)
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.WithTcpServer(url.Split(':')[1].Substring("//".Length), int.Parse(url.Split(':')[2]))
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.WithCredentials(username, passwordRemote)
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.WithCleanSession()
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.WithCommunicationTimeout(new TimeSpan(0, 0, 10))
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.Build();
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await Close();
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await RemoteMqttClient.ConnectAsync(options1);
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await MqttRemoteSend(new byte[] { 0 }, 1);
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await MqttRemoteSend(new byte[] { 0 }, 2);
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}
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}
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}
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catch { }
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}
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}
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catch (Exception ex)
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{
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Application.RunOnMainThread(() =>
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{
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if (MqttCommon.RemoteMqttClient != null)
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{
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MqttCommon.RemoteMqttClient.Dispose();
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}
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if (MqttCommon.RemoteMqttClient != null)
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{
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MqttCommon.RemoteMqttClient = null;
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}
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});
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}
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finally
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{
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isConnecting = false.ToString();
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//----------
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}
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})
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{ IsBackground = true }.Start();
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}
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}
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catch (Exception ex)
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{
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MainPage.Log("============>" + ex.Message);
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}
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finally
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{
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isConnecting = false.ToString();
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}
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*/
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="message">附加数据包</param>
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/// <param name="optionType">操作类型：0=网关控制；1=订阅网关数据;2=订阅网关上线数据</param>
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/// <returns></returns>
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public static async System.Threading.Tasks.Task MqttRemoteSend(byte[] message, int optionType = 0)
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{
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try
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{
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if (RemoteMqttClient == null || !RemoteMqttClient.IsConnected)
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{
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await StartCloudMqtt();
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}
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if (!RemoteMqttClient.IsConnected)
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{
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return;
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}
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var topicName = @"/" + MainPage.LoginUser.AccountString.ToLower() + @"/" + UserConfig.Instance.CurrentRegion.MAC.Replace(".", "") + @"/" + currentGuid;
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switch (optionType)
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{
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case 0:
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if (!string.IsNullOrEmpty(mqttEncryptKey))
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{
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topicName = $"/ClientToBusGateWay/{CurRemoteMACInfo.macMark}/Common/OldON";
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}
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else
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{
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topicName = $"/ClientToBusGateWay/{CurRemoteMACInfo.macMark}/Common/NewON";
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}
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//base64加密
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var messageSend = Shared.Securitys.EncryptionService.AesEncryptPayload(message, mqttEncryptKey);
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var m = new MqttApplicationMessage { Topic = topicName, Payload = messageSend, Retain = false, QualityOfServiceLevel = MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce };
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await RemoteMqttClient?.PublishAsync(m);
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break;
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case 1:
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topicName = $"/BusGateWayToClient/{CurRemoteMACInfo.macMark}/Common/#";
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await RemoteMqttClient?.SubscribeAsync(topicName);
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break;
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case 2:
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var macStr = CurRemoteMACInfo.mac.ToUpper();
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char[] cArrs = macStr.ToCharArray();
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Array.Reverse(cArrs);
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var sss = string.Join(string.Empty, cArrs);
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using (var provider = new MD5CryptoServiceProvider())
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{
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byte[] buffer = provider.ComputeHash(Encoding.Default.GetBytes(sss));
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StringBuilder builder = new StringBuilder();
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for (int i = 0; i < buffer.Length; i++)
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{
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builder.Append(buffer[i].ToString("x2"));
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}
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CurRemoteMACInfo.md5_mac_string = builder.ToString().ToUpper();
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}
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topicName = $"/NotifyBusGateWayInfoChagne/{CurRemoteMACInfo.md5_mac_string}";
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await RemoteMqttClient?.SubscribeAsync(topicName);
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break;
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}
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}
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catch (Exception e)
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{
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isConnecting = false.ToString();
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}
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}
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}
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}
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public class RemoteRequestParameters
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{
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public string RequestVersion;
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public int RequestSource;
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public string LoginAccessToken;
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public int RequestProtocolType;
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public string Mac = "";
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public string GroupName = "";
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}
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public class MqttRemoteInfo
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{
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public List<RemoteMACInfo> pageData;
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public int pageIndex = 0;
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public int pageSize = 10;
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public int totalCount = 3;
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public int totalPages = 1;
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public bool hasPreviousPage = false;
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public bool hasNextPage = false;
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}
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public class MqttInfo
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{
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public string connEmqDomainPort;
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public string connEmqClientId;
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public string connEmqUserName;
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public string connEmqPwd;
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}
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public class RemoteMACInfo
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{
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public string mac;
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public string macMark;
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public string isValid;
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public string aesKey;
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public bool isNewBusproGateway;
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public string groupName;
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public string projectName;
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public string userName;
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//app自定义数据
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public string md5_mac_string;
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public string LoginAccessToken;
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}
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namespace Shared.Securitys
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{
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public partial class EncryptionService
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{
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#region 加密
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/// <summary>
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/// 加密主题为Base64
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/// </summary>
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/// <param name="pToEncrypt"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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public static string AesEncryptTopic(string pToEncrypt, string key)
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{
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if (string.IsNullOrEmpty(pToEncrypt)) return null;
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if (string.IsNullOrEmpty(key)) return pToEncrypt;
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//需要加密内容的明文流
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Byte[] toEncryptArray = Encoding.UTF8.GetBytes(pToEncrypt);
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//配置AES加密Key(密钥、向量、模式、填充)
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RijndaelManaged rm = new RijndaelManaged
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{
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Key = Encoding.UTF8.GetBytes(key),
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IV = Encoding.UTF8.GetBytes(key),
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Mode = CipherMode.CBC,
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Padding = PaddingMode.PKCS7
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};
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//创建AES加密器对象
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ICryptoTransform cTransform = rm.CreateEncryptor();
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//使用AES将明文流转成密文字节数组
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Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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//将AES生成的密文字节数组转成Base64字符串
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return Convert.ToBase64String(resultArray, 0, resultArray.Length);
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}
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/// <summary>
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/// 加密负载为二进制流
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/// </summary>
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/// <param name="toEncryptArray"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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public static byte[] AesEncryptPayload(byte[] toEncryptArray, string key)
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{
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if (string.IsNullOrEmpty(key)) return toEncryptArray;
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//配置AES加密Key(密钥、向量、模式、填充)
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var rm = new RijndaelManaged
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{
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Key = Encoding.UTF8.GetBytes(key),
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IV = Encoding.UTF8.GetBytes(key),
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Mode = CipherMode.CBC,
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Padding = PaddingMode.PKCS7
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};
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//创建AES加密器对象
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var cTransform = rm.CreateEncryptor();
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//使用AES将明文流转成密文字节数组
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return cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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}
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#endregion
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|
|
#region 解密
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/// <summary>
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/// 解密主题数据
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/// </summary>
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/// <param name="pToDecrypt"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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public static string AesDecryptTopic(string pToDecrypt, string key)
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{
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//AES密文Base64转成字符串
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Byte[] toEncryptArray = Convert.FromBase64String(pToDecrypt);
|
|
//配置AES加密Key(密钥、向量、模式、填充)
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RijndaelManaged rm = new RijndaelManaged
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{
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Key = Encoding.UTF8.GetBytes(key),
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IV = Encoding.UTF8.GetBytes(key),
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Mode = CipherMode.CBC,
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Padding = PaddingMode.PKCS7
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};
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|
//创建AES解密器对象
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ICryptoTransform cTransform = rm.CreateDecryptor();
|
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//使用AES将密文流转成明文的字节数组
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Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
|
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//转成字符串
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return Encoding.UTF8.GetString(resultArray);
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}
|
|
/// <summary>
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/// 采用Aes解密负载数据
|
/// </summary>
|
/// <param name="toEncryptArray"></param>
|
/// <param name="key"></param>
|
/// <returns></returns>
|
public static byte[] AesDecryptPayload(byte[] toEncryptArray, string key)
|
{
|
//配置AES加密Key(密钥、向量、模式、填充)
|
var rm = new RijndaelManaged
|
{
|
Key = Encoding.UTF8.GetBytes(key),
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IV = Encoding.UTF8.GetBytes(key),
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Mode = CipherMode.CBC,
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Padding = PaddingMode.PKCS7
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};
|
|
//创建AES解密器对象
|
var cTransform = rm.CreateDecryptor();
|
|
//使用AES将密文流转成明文的字节数组
|
return cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
|
}
|
#endregion
|
|
|
}
|
}
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