Meross Service Mqtt publish message toggle works ! Toggle-X plugs + Read current consumption + get abilities..

MyCore/Models/Meross/DevicesAbilities.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MyCore.Models.Meross
+{
+    public class DeviceAbilities
+    {
+        # region Common abilities
+        public class Common
+        {
+            public static string ALL = "Appliance.System.All";
+            public static string ABILITY = "Appliance.System.Ability";
+            public static string REPORT = "Appliance.System.Report";
+            public static string ONLINE = "Appliance.System.Online";
+            public static string WIFI_LIST = "Appliance.Config.WifiList";
+            public static string DEBUG = "Appliance.System.Debug";
+            public static string TRACE = "Appliance.Config.Trace";
+        }
+        #endregion
+
+        # region Power plug/bulbs abilities
+        public class PlugsAndBulbs
+        {
+            public static string TOGGLE = "Appliance.Control.Toggle";
+            public static string TOGGLEX = "Appliance.Control.ToggleX";
+            public static string TRIGGER = "Appliance.Control.Trigger";
+            public static string TRIGGERX = "Appliance.Control.TriggerX";
+            public static string ELECTRICITY = "Appliance.Control.Electricity";
+            public static string CONSUMPTIONX = "Appliance.Control.ConsumptionX";
+        }
+        #endregion
+
+        # region Hub
+        public class Hub
+        {
+            public static string HUB_TOGGLEX = "Appliance.Hub.ToggleX";
+            public static string HUB_ONLINE = "Appliance.Hub.Online";
+            public static string HUB_MTS100_TEMPERATURE = "Appliance.Hub.Mts100.Temperature";
+            public static string HUB_MTS100_MODE = "Appliance.Hub.Mts100.Mode";
+            public static string HUB_MTS100_ALL = "Appliance.Hub.Mts100.All";
+            public static string HUB_EXCEPTION = "Appliance.Hub.Exception";
+        }
+        #endregion
+
+        # region Garage opener abilities
+        public class Garage
+        {
+            public static string GARAGE_DOOR_STATE = "Appliance.GarageDoor.State";
+        }
+        #endregion
+
+        #region Bulbs-only abilities
+        public class Bulb
+        {
+            public static string LIGHT = "Appliance.Control.Light";
+        }
+        #endregion
+    }
+}

MyCore/Services/MerossService.cs

@@ -14,6 +14,7 @@ using System.Net.Http.Headers;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using static MyCore.Models.Meross.DeviceAbilities;
 
 namespace MyCore.Services
 {
@@ -31,6 +32,8 @@ namespace MyCore.Services
 
         private static ResultToken resultToken;
 
+        private List<MerossDevice> allDevices;
+
         // API MQTT
         private const int port = 2001;
         private const string domain = "iot.meross.com";
@@ -80,7 +83,7 @@ namespace MyCore.Services
                     if (deviceTask.Result != "")
                     {
                         data = ((JObject)JsonConvert.DeserializeObject(deviceTask.Result))["data"];
-                        var test = JsonConvert.DeserializeObject<List<MerossDevice>>(data.ToString());
+                        allDevices = JsonConvert.DeserializeObject<List<MerossDevice>>(data.ToString());
                     }
 
                     var logTask = Task.Run(() => PostURI(new Uri(_logUrl), RequestType.Log));
@@ -189,6 +192,74 @@ namespace MyCore.Services
             return nonceString.ToString();
         }
 
+        public class RequestMQTT
+        {
+            public HeaderMqtt header;
+            public Object payload;
+        }
+
+        public class HeaderMqtt
+        {
+            public string from;
+            public string messageId;
+            public string method;
+            public string Namespace;
+            public int payloadVersion;
+            public string sign;
+            public long timestamp;
+        }
+
+        public class PayLoadToggle
+        {
+            // as it's not a multi-socket
+            public int channel = 0;
+            public Toggle toggle;
+        }
+
+        public class Toggle
+        {
+            // 1 = on or 0 = off
+            public int onoff;
+        }
+
+        public class PayLoadToggleX
+        {
+            public ToggleX togglex;
+        }
+
+        public class ToggleX
+        {
+            // 1 = on or 0 = off
+            public int onoff;
+            // number of the socket of the multi-socket
+            public int channel;
+        }
+
+        // TODO Create ability class related to device 
+        public enum CommandMqtt
+        {   
+            ABILITY,
+            CONSUMPTIONX,
+            ELECTRICITY,
+            TOGGLE,
+            TOGGLEX
+        }
+
+        public enum Method
+        {
+            GET,
+            SET
+        }
+
+        public enum ToggleStatus
+        {
+            OFF,
+            ON
+        }
+
+        public string clientId = "";
+        public string appId = "";
+
         private void ConnexionToMqtt()
         {
             try
@@ -199,8 +270,13 @@ namespace MyCore.Services
                 string stringForMD5 = resultToken.userid + resultToken.key;
                 string hashed_password = CreateMD5(stringForMD5).ToLower();
 
+                // Check if we can hardcode it -> seems ok 20/01/2020
+                var uuid = "01df8092-d790-4377-8481-5b73aef045c6";
+
+                GenerateClientAndAppId(uuid);
+
                 _options = new MqttClientOptionsBuilder()
-                    .WithClientId("app:ddddd9eb14407b666f559af5af9c1840")
+                    .WithClientId(clientId)
                     .WithTcpServer(domain, port)
                     .WithCredentials(resultToken.userid, hashed_password)
                     .WithCleanSession()
@@ -239,8 +315,37 @@ namespace MyCore.Services
                 {
                     Console.WriteLine("### CONNECTED WITH SERVER ###");
 
-                    // Subscribe to a topic
+                    var topic = $"/app/{resultToken.userid}-{appId.ToLower()}/subscribe";
-                    await _client.SubscribeAsync(new TopicFilterBuilder().WithTopic("#").Build());
+                    await _client.SubscribeAsync(new TopicFilterBuilder().WithTopic(topic).Build());
+
+                    /*foreach (var device in allDevices)
+                    {
+                        topic = $"/appliance/{device.uuid}/subscribe";
+                        // Not really neccessary as the GETACK exists
+                        //await _client.SubscribeAsync(new TopicFilterBuilder().WithTopic(topic).Build());
+                    }*/
+
+                    MerossDevice multisocket = allDevices.Where(d => d.onlineStatus == 1 && d.deviceType == "mss425f").FirstOrDefault();
+
+                    /*if (multisocket != null && multisocket.onlineStatus == 1)
+                    {
+                        //As multisocket channel 0 is all the sockets, skip 0
+                        int i = 0;
+                        foreach (var channel in multisocket.channels)
+                        {
+                            if (i != 0)
+                                ExecuteCommand(multisocket.uuid, Method.SET, CommandMqtt.TOGGLEX, "", "", ToggleStatus.OFF, i);
+                            i++;
+                        }
+                    }*/
+
+                    ExecuteCommand(multisocket.uuid, Method.GET, CommandMqtt.ABILITY);
+
+                    foreach (var device in allDevices.Where(d => d.deviceType == "mss310" && d.onlineStatus == 1).ToList())
+                    {
+                        ExecuteCommand(device.uuid, Method.GET, CommandMqtt.ABILITY);
+                        ExecuteCommand(device.uuid, Method.GET, CommandMqtt.ELECTRICITY);
+                    }
 
                     Console.WriteLine("### SUBSCRIBED ###");
                 });
@@ -254,7 +359,30 @@ namespace MyCore.Services
                     Console.WriteLine($"+ Retain = {e.ApplicationMessage.Retain}");
                     Console.WriteLine();
 
+                    // TODO GETACK and writing db + get current consumption + reliability of changing status of a plug + get current temp in bathroom + etc
                 });
+
+
+                /* Example :
+                 * 
+                 * 
+                 * Toggle channel 0 multiprise
+                 * topic = /appliance/1909206725106690802148e1e95243fd/subscribe 
+                 * 
+                 * payload = 
+                 * {"header": {"from": "/app/174744-2c2c67eab37f04625d60dc678e5a2349/subscribe", 
+                 *              "messageId": "5e2ac8700552ef089da05f8543993319", 
+                 *              "method": "SET", 
+                 *              "namespace": "Appliance.Control.ToggleX", 
+                 *              "payloadVersion": 1, 
+                 *              "sign": "18469fb032695f3144f060e65f3fad26", 
+                 *              "timestamp": 1579540738}, 
+                 *      "payload": 
+                 *      {"togglex": 
+                 *          {"onoff": 1, "channel": 0}
+                 *      }
+                 * }
+                */
             }
             catch (Exception e)
             {
@@ -262,53 +390,110 @@ namespace MyCore.Services
             }
         }
 
-            private static bool CertificateValidationCallBack(
+        private void GenerateClientAndAppId(string uuid)
-            object sender,
+        {
-            System.Security.Cryptography.X509Certificates.X509Certificate certificate,
+            var md5Result = CreateMD5($"API{uuid}");
-            System.Security.Cryptography.X509Certificates.X509Chain chain,
+            appId = md5Result;
-            System.Net.Security.SslPolicyErrors sslPolicyErrors)
+            clientId = $"app:{md5Result}"; 
+        }
+
+        private void ExecuteCommand(string uuid, Method method, CommandMqtt command, string payload = null, string callback = null, ToggleStatus toggleStatus = 0,int channelChosen = 0)
+        {
+            var topic = $"/appliance/{uuid}/subscribe";
+            var namespaceVar = "";
+            var payloadVar = payload;
+            bool multisocket = false;
+
+            // TODO Check device type.. and add switch case
+            switch (command)
             {
-                // If the certificate is a valid, signed certificate, return true.
+                case CommandMqtt.ABILITY:
-                if (sslPolicyErrors == System.Net.Security.SslPolicyErrors.None)
+                    namespaceVar = Common.ABILITY;
-                {
+                    break;
-                    return true;
+                case CommandMqtt.CONSUMPTIONX:
-                }
+                    namespaceVar = PlugsAndBulbs.TOGGLEX;
-
+                    break;
-                // If there are errors in the certificate chain, look at each error to determine the cause.
+                case CommandMqtt.TOGGLE:
-                if ((sslPolicyErrors & System.Net.Security.SslPolicyErrors.RemoteCertificateChainErrors) != 0)
+                    namespaceVar = PlugsAndBulbs.TOGGLE;
-                {
+                    break;
-                    if (chain != null && chain.ChainStatus != null)
+                case CommandMqtt.TOGGLEX:
-                    {
+                    multisocket = true;
-                        foreach (System.Security.Cryptography.X509Certificates.X509ChainStatus status in chain.ChainStatus)
+                    namespaceVar = PlugsAndBulbs.TOGGLEX;
-                        {
+                    break;
-                            if ((certificate.Subject == certificate.Issuer) &&
+                case CommandMqtt.ELECTRICITY:
-                               (status.Status == System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.UntrustedRoot))
+                    namespaceVar = PlugsAndBulbs.ELECTRICITY;
-                            {
+                    break;
-                                // Self-signed certificates with an untrusted root are valid. 
-                                continue;
-                            }
-                            else
-                            {
-                                if (status.Status != System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.NoError)
-                                {
-                                    // If there are any other errors in the certificate chain, the certificate is invalid,
-                                    // so the method returns false.
-                                    return false;
-                                }
-                            }
-                        }
-                    }
-
-                    // When processing reaches this line, the only errors in the certificate chain are 
-                    // untrusted root errors for self-signed certificates. These certificates are valid
-                    // for default Exchange server installations, so return true.
-                    return true;
-                }
-                else
-                {
-                    // In all other cases, return false.
-                    return false;
-                }
             }
+
+            // if a plug
+            // and if a toggleX ability
+            if (method == Method.SET && multisocket)
+            {
+                PayLoadToggleX payLoadToggleX = new PayLoadToggleX();
+                ToggleX toggleX = new ToggleX();
+                toggleX.onoff = toggleStatus.GetHashCode();
+                toggleX.channel = channelChosen;
+                payLoadToggleX.togglex = toggleX;
+
+                payloadVar = JsonConvert.SerializeObject(payLoadToggleX);
+            }
+
+            // if a plug
+            // and if hasn't toggleX ability
+            if (method == Method.SET && !multisocket)
+            {
+                PayLoadToggle payLoadToggle= new PayLoadToggle();
+                Toggle toggle = new Toggle();
+                toggle.onoff = toggleStatus.GetHashCode();
+                payLoadToggle.toggle = toggle;
+
+                payloadVar = JsonConvert.SerializeObject(payLoadToggle);
+            }
+
+            var message = BuildMQTTMessage(method, namespaceVar, payloadVar);
+
+            PublishMessage(topic, message);
+        }
+
+        private string BuildMQTTMessage(Method method, string namespaceVar, string payloadVar)
+        {
+            HeaderMqtt headerMqtt = new HeaderMqtt();
+
+            headerMqtt.from = $"/app/{resultToken.userid}-{appId.ToLower()}/subscribe";
+            headerMqtt.messageId = CreateMD5(GenerateNonce(16).ToUpper()).ToLower();
+            headerMqtt.method = method.ToString();
+            headerMqtt.Namespace = namespaceVar;
+            headerMqtt.payloadVersion = 1;
+            headerMqtt.timestamp = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds();
+            headerMqtt.sign = CreateMD5($"{headerMqtt.messageId}{resultToken.key}{(headerMqtt.timestamp).ToString()}").ToLower();
+            
+
+            RequestMQTT requestMQTT = new RequestMQTT();
+            requestMQTT.header = headerMqtt;
+            if (payloadVar != null)
+                requestMQTT.payload = JsonConvert.DeserializeObject(payloadVar);
+            else
+                requestMQTT.payload = new Object();
+
+            var data = JsonConvert.SerializeObject(requestMQTT);
+
+            // Change Namespace to namespace
+            data = data.Replace("Namespace", "namespace");
+
+            return data;
+        }
+
+        public void PublishMessage(string topic, string message)
+        {
+            var mqttMessage = new MqttApplicationMessageBuilder()
+                .WithTopic(topic)
+                .WithPayload(message)
+                .WithExactlyOnceQoS()
+                .WithRetainFlag()
+                .Build();
+
+            if (_client.IsConnected)
+                _client.PublishAsync(mqttMessage);
+        }
     }
 }