修正和内置mqtt客户端相关的配置问题

IoTSharp/AppSettings.cs

@@ -21,17 +21,17 @@ namespace IoTSharp
         /// mqtt client settings
         /// </summary>
         public MqttClientSetting MqttClient { get; set; }
-
+        public string JwtAudience { get;  set; }
     }
     public class MqttClientSetting
     {
         /// <summary>
         /// built-in or IP、HostName
         /// </summary>
-        public string MqttBroker { get; set; } = "built-in";
-        public string UserName { get; set; } = "";
-        public string Password { get; set; } = "";
-        public int Port { get; set; } = 1883;
+        public string MqttBroker { get; set; } 
+        public string UserName { get; set; }  
+        public string Password { get; set; } 
+        public int Port { get; set; } 
     }
     public class MqttBrokerSetting
     {
@@ -40,6 +40,6 @@ namespace IoTSharp
         public bool EnableTls { get; set; } = false;
         public string Certificate { get; set; }
         public SslProtocols SslProtocol { get; set; } = SslProtocols.None;
-        public bool PersistRetainedMessages { get; internal set; }
+        public bool PersistRetainedMessages { get;  set; }
     }
 }

IoTSharp/Extensions/MqttExtension.cs

@@ -24,13 +24,12 @@ namespace IoTSharp
     public static class MqttExtension
     {
         //static private IMqttServer _mqttServer;
-        public static void AddIoTSharpMqttServer(this IServiceCollection services, MqttBrokerSetting setting)
+        public static void AddIoTSharpMqttServer(this IServiceCollection services, MqttBrokerSetting broker)
         {
             services.AddMqttTcpServerAdapter();
             services.AddHostedMqttServerEx(options =>
             {
-                var broker = setting;
-                if (broker == null) broker = new MqttBrokerSetting();
+            
                 options.WithDefaultEndpointPort(broker.Port).WithDefaultEndpoint();
                 if (broker.EnableTls)
                 {
@@ -102,10 +101,10 @@ namespace IoTSharp
 
         public static void AddMqttClient(this IServiceCollection services, MqttClientSetting setting)
         {
-            if (setting == null) setting = new MqttClientSetting();
+          
             services.AddSingleton(options => new MQTTnet.MqttFactory().CreateMqttClient());
             services.AddTransient(options => new MqttClientOptionsBuilder()
-                                     .WithClientId("buind-in")
+                                     .WithClientId(setting.MqttBroker)
                                      .WithTcpServer((setting.MqttBroker == "built-in" || string.IsNullOrEmpty(setting.MqttBroker)) ? "127.0.0.1" : setting.MqttBroker, setting.Port)
                                      .WithCredentials(setting.UserName, setting.Password)
                                      .WithCleanSession()//.WithProtocolVersion (MQTTnet.Formatter.MqttProtocolVersion.V500)

IoTSharp/Handlers/MQTTServerHandler.cs

@@ -7,6 +7,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using MQTTnet;
 using MQTTnet.AspNetCoreEx;
 using MQTTnet.Server;
@@ -27,13 +28,16 @@ namespace IoTSharp.Handlers
         readonly ILogger<MQTTServerHandler> _logger;
         readonly ApplicationDbContext _dbContext;
         readonly IMqttServerEx _serverEx;
-
+        readonly IServiceScope scope;
+        readonly MqttClientSetting _mcsetting;
         public MQTTServerHandler(ILogger<MQTTServerHandler> logger, IServiceScopeFactory scopeFactor,IMqttServerEx serverEx, DiagnosticsService diagnosticsService,
-            RuntimeStatusHandler systemStatusService
+            RuntimeStatusHandler systemStatusService, IOptions <AppSettings> options
             )
         {
+            _mcsetting = options.Value.MqttClient;
             _logger = logger;
-            _dbContext = scopeFactor.CreateScope().ServiceProvider.GetRequiredService<ApplicationDbContext>();
+            scope = scopeFactor.CreateScope();
+            _dbContext = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
             _serverEx = serverEx;
             InboundCounter = diagnosticsService.CreateOperationsPerSecondCounter("mqtt.inbound_rate");
             OutboundCounter = diagnosticsService.CreateOperationsPerSecondCounter("mqtt.outbound_rate");
@@ -337,11 +341,19 @@ namespace IoTSharp.Handlers
         public static string MD5Sum(string text) => BitConverter.ToString(MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(text))).Replace("-", "");
         internal void Server_ClientConnectionValidator(object sender, MqttServerClientConnectionValidatorEventArgs e)
         {
+            var _dbContextcv = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
             MqttConnectionValidatorContext obj = e.Context;
             Uri uri = new Uri("mqtt://" + obj.Endpoint);
+            if (uri.IsLoopback && !string.IsNullOrEmpty(e.Context.ClientId) && e.Context.ClientId == _mcsetting.MqttBroker && !string.IsNullOrEmpty(e.Context.Username) && e.Context.Username == _mcsetting.UserName    && e.Context.Password == _mcsetting.Password)
+            {
+                obj.ReturnCode = MQTTnet.Protocol.MqttConnectReturnCode.ConnectionAccepted;
+            }
+            else
+            {
                 _logger.LogInformation($"ClientId={obj.ClientId},Endpoint={obj.Endpoint},Username={obj.Username}，Password={obj.Password},WillMessage={obj.WillMessage?.ConvertPayloadToString()}");
-            var mcr = _dbContext.DeviceIdentities.Include(d => d.Device).FirstOrDefault(mc => (mc.IdentityType == IdentityType.AccessToken && mc.IdentityId == obj.Username)
-                                                                          || (mc.IdentityType == IdentityType.DevicePassword && mc.IdentityId == obj.Username && mc.IdentityValue == obj.Password));
+                var mcr = _dbContextcv.DeviceIdentities.Include(d => d.Device).FirstOrDefault(mc =>
+                                        (mc.IdentityType == IdentityType.AccessToken && mc.IdentityId == obj.Username) ||
+                                        (mc.IdentityType == IdentityType.DevicePassword && mc.IdentityId == obj.Username && mc.IdentityValue == obj.Password));
                 if (mcr != null)
                 {
                     try
@@ -364,6 +376,7 @@ namespace IoTSharp.Handlers
                     _logger.LogInformation($"Bad username or password {obj.Username},connection {obj.Endpoint} refused");
                 }
             }
+        }
 
         public List<string> GetTopicImportUids()
         {

IoTSharp/Program.cs

@@ -9,7 +9,7 @@ using Microsoft.AspNetCore;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
-
+using MQTTnet.AspNetCore;
 namespace IoTSharp
 {
     public class Program

IoTSharp/Startup.cs

@@ -40,10 +40,15 @@ namespace IoTSharp
         public Startup(IConfiguration configuration)
         {
             Configuration = configuration;
-            AppSettings = Configuration.Get<AppSettings>();
+            settings = Configuration.Get<AppSettings>();
+            if (settings.MqttBroker == null) settings.MqttBroker = new MqttBrokerSetting();
+            if (settings.MqttClient == null) settings.MqttClient = new MqttClientSetting();
+            if (string.IsNullOrEmpty(settings.MqttClient.MqttBroker)) settings.MqttClient.MqttBroker = "built-in";
+            if (string.IsNullOrEmpty(settings.MqttClient.Password)) settings.MqttClient.Password = Guid.NewGuid().ToString();
+            if (string.IsNullOrEmpty(settings.MqttClient.UserName)) settings.MqttClient.UserName = Guid.NewGuid().ToString();
+            if (settings.MqttClient.Port == 0) settings.MqttClient.Port = 1883;
         }
-
-        public AppSettings AppSettings { get; }
+        private AppSettings settings;
         public IConfiguration Configuration { get; private set; }
 
         // This method gets called by the runtime. Use this method to add services to the container.
@@ -62,11 +67,15 @@ namespace IoTSharp
             {
                 configuration.RootPath = "ClientApp/dist";
             });
-            
-            services.Configure<AppSettings>(Configuration);
+            services.AddOptions();
+            services.Configure((Action<AppSettings>)(setting =>
+            {
+                Configuration.Bind(setting);
+                setting.MqttBroker = settings.MqttBroker;
+                setting.MqttClient = settings.MqttClient;
+            }));
           
             services.AddLogging(loggingBuilder => loggingBuilder.AddConsole());
-
             services.AddIoTSharpHub(Configuration);
             // Enable the Gzip compression especially for Kestrel
             services.Configure<GzipCompressionProviderOptions>(options => options.Level = System.IO.Compression.CompressionLevel.Optimal);
@@ -80,7 +89,7 @@ namespace IoTSharp
                     .AddRoleManager<RoleManager<IdentityRole>>()
                    .AddDefaultTokenProviders()
                     .AddEntityFrameworkStores<ApplicationDbContext>();
-            services.ConfigureJwtAuthentication(Configuration["JwtIssuer"], Configuration["JwtAudience"], Configuration["JwtKey"], TimeSpan.FromDays(Convert.ToInt32(Configuration["JwtExpireDays"])));
+            services.ConfigureJwtAuthentication(settings.JwtIssuer , settings.JwtAudience, settings.JwtKey, TimeSpan.FromDays(Convert.ToInt32(settings.JwtExpireDays)));
             services.Configure<ForwardedHeadersOptions>(options =>
             {
                 options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
@@ -95,8 +104,8 @@ namespace IoTSharp
                 configure.Description = description?.Description;
             });
             services.AddTransient<ApplicationDBInitializer>();
-            services.AddIoTSharpMqttServer(AppSettings.MqttBroker);
-            services.AddMqttClient(AppSettings.MqttClient);
+            services.AddIoTSharpMqttServer(settings.MqttBroker);
+            services.AddMqttClient(settings.MqttClient);
             services.AddHostedService<CoAPService>();
             services.AddHostedService<MQTTMessageService>();
             services.AddSingleton<DiagnosticsService>();
@@ -105,6 +114,7 @@ namespace IoTSharp
  
         }
 
+      
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
         public void Configure(IApplicationBuilder app, IHostingEnvironment env)
         {