Feature/mqttv5 subscriptions server (#1246)

* Add support for RetainHandling. * Add support for No Local. * Add support for _SubscriptionIdentifier_. * Add more Unit Tests. * Update docs.
2026-10-19 02:53:06 +08:00 · 2021-09-23 20:30:43 +02:00
parent feb53e78c6
commit c756a4092f
83 changed files with 2032 additions and 1237 deletions
@@ -0,0 +1,90 @@
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Adapter;
+using MQTTnet.Client;
+using MQTTnet.Client.Connecting;
+using MQTTnet.Client.Options;
+using MQTTnet.Exceptions;
+using MQTTnet.Protocol;
+
+namespace MQTTnet.Tests.Server
+{
+    [TestClass]
+    public sealed class Security_Tests : BaseTestClass
+    {
+        [TestMethod]
+        public async Task Use_Username_Null_Password_Empty()
+        {
+            string username = null;
+            var password = string.Empty;
+
+            using (var testEnvironment = CreateTestEnvironment())
+            {
+                testEnvironment.IgnoreClientLogErrors = true;
+
+                await testEnvironment.StartServer();
+
+                var client = testEnvironment.CreateClient();
+
+                var clientOptions = new MqttClientOptionsBuilder()
+                    .WithTcpServer("127.0.0.1", testEnvironment.ServerPort)
+                    .WithCredentials(username, password)
+                    .Build();
+
+                var ex = await Assert.ThrowsExceptionAsync<MqttConnectingFailedException>(async () => await client.ConnectAsync(clientOptions));
+                Assert.IsInstanceOfType(ex.InnerException, typeof(MqttProtocolViolationException));
+                Assert.AreEqual("Error while authenticating. If the User Name Flag is set to 0, the Password Flag MUST be set to 0 [MQTT-3.1.2-22].", ex.Message, false);
+            }
+        }
+        
+        [TestMethod]
+        public Task Handle_Wrong_UserName()
+        {
+            return TestCredentials("x", "Password1");
+        }
+        
+        [TestMethod]
+        public Task Handle_Wrong_Password()
+        {
+            return TestCredentials("UserName", "x");
+        }
+        
+        [TestMethod]
+        public Task Handle_Wrong_UserName_And_Password()
+        {
+            return TestCredentials("x", "x");
+        }
+
+        async Task TestCredentials(string userName, string password)
+        {
+            using (var testEnvironment = CreateTestEnvironment())
+            {
+                testEnvironment.IgnoreClientLogErrors = true;
+
+                await testEnvironment.StartServer(testEnvironment.Factory.CreateServerOptionsBuilder()
+                    .WithConnectionValidator(c =>
+                    {
+                        if (c.Username != "UserName1")
+                        {
+                            c.ReasonCode = MqttConnectReasonCode.BadUserNameOrPassword;
+                        }
+                        
+                        if (c.Password != "Password1")
+                        {
+                            c.ReasonCode = MqttConnectReasonCode.BadUserNameOrPassword;
+                        }
+                    }));
+
+                var client = testEnvironment.CreateClient();
+
+                var clientOptions = new MqttClientOptionsBuilder()
+                    .WithTcpServer("127.0.0.1", testEnvironment.ServerPort)
+                    .WithCredentials(userName, password)
+                    .Build();
+
+                var ex = await Assert.ThrowsExceptionAsync<MqttConnectingFailedException>(async () => await client.ConnectAsync(clientOptions));
+                Assert.AreEqual(ex.Result.ResultCode, MqttClientConnectResultCode.BadUserNameOrPassword);
+            }
+        }
+    }
+}