backend/Api/AMQP/AMQPPublisher.cs

@@ -1,9 +1,7 @@
 using Api.DBAccess;
 using Api.Models;
-using Microsoft.IdentityModel.Tokens;
 using RabbitMQ.Client;
 using RabbitMQ.Client.Events;
-using System.Security.Cryptography;
 using System.Text;
 using System.Text.Json;
 
@@ -13,27 +11,34 @@ namespace Api.AMQP
     {
         private readonly IConfiguration _configuration;
         private readonly DbAccess _dbAccess;
-        private IConnection _conn;
-        private IChannel _channel;
-        private ConnectionFactory _factory;
-        private string _queue;
 
         public AMQPPublisher(IConfiguration configuration, DbAccess dbAccess)
         {
             _dbAccess = dbAccess;
             _configuration = configuration;
-            _factory = new ConnectionFactory();
-            _queue = "temperature-limits";
-
-            InitFactory();
         }
 
         public async Task Handle_Push_Device_Limits()
         {
+            var factory = new ConnectionFactory();
+            var queue = "temperature-limits";
+
+            factory.UserName = _configuration["AMQP:username"];
+            factory.Password = _configuration["AMQP:password"];
+            factory.HostName = _configuration["AMQP:host"];
+            factory.Port = Convert.ToInt32(_configuration["AMQP:port"]);
+
+            // Connecting to our rabbitmq and after that it create's a channel where you can connect to a queue
+            var conn = await factory.CreateConnectionAsync();
+            Console.WriteLine("AMQPClient connected");
+            var channel = await conn.CreateChannelAsync();
+
+            // Here we connect to the queue through the channel that got created earlier
+            await channel.QueueDeclareAsync(queue: queue, durable: false, exclusive: false, autoDelete: false);
+            Console.WriteLine($"{queue} connected");
+
             while (true)
             {
-                await Connect();
-
                 // Publishes all devices limits
                 var devices = _dbAccess.ReadDevices();
                 foreach (var device in devices)
@@ -44,21 +49,33 @@ namespace Api.AMQP
                     deviceLimit.TempLow = device.TempLow;
                     string message = JsonSerializer.Serialize(deviceLimit);
                     var body = Encoding.UTF8.GetBytes(message);
-                    await _channel.BasicPublishAsync(exchange: string.Empty, routingKey: _queue, body: body);
+                    await channel.BasicPublishAsync(exchange: string.Empty, routingKey: queue, body: body);
                 }
 
                 // Short delay before disconnecting from rabbitMQ
-                await Task.Delay(1000);
+                await Task.Delay(10000);
 
                 // Disconnecting from rabbitMQ to save resources
-                await Dispose();
+                await channel.CloseAsync();
+                Console.WriteLine($"{queue} disconnected");
+                await conn.CloseAsync();
+                Console.WriteLine("AMQPClient disconnected");
+                await channel.DisposeAsync();
+                await conn.DisposeAsync();
                 // 1 hour delay
                 await Task.Delay(3600000);
 
-                await Connect();
+                // Creating a new connection to rabbitMQ
+                conn = await factory.CreateConnectionAsync();
+                Console.WriteLine("AMQPClient connected");
+                channel = await conn.CreateChannelAsync();
+
+                // Here we connect to the queue through the channel that got created earlier
+                await channel.QueueDeclareAsync(queue: queue, durable: false, exclusive: false, autoDelete: false);
+                Console.WriteLine($"{queue} connected");
 
                 // Here all messages is consumed so the queue is empty
-                var consumer = new AsyncEventingBasicConsumer(_channel);
+                var consumer = new AsyncEventingBasicConsumer(channel);
                 consumer.ReceivedAsync += (model, ea) =>
                 {
                     Console.WriteLine("Emptying queue");
@@ -67,45 +84,9 @@ namespace Api.AMQP
                 };
 
                 // Consumes the data in the queue
-                await _channel.BasicConsumeAsync(_queue, true, consumer);
+                await channel.BasicConsumeAsync(queue, true, consumer);
 
-                // Short delay before disconnecting from rabbitMQ
-                await Task.Delay(1000);
-                await Dispose();
             }
         }
-
-        // Disconnects from rabbitMQ
-        private async Task<bool> Dispose()
-        {
-            await _channel.CloseAsync();
-            await _conn.CloseAsync();
-            await _channel.DisposeAsync();
-            await _conn.DisposeAsync();
-            return true;
-        }
-
-        // Connects to rabbitMQ
-        private async Task<bool> Connect()
-        {
-            // Creating a new connection to rabbitMQ
-            _conn = await _factory.CreateConnectionAsync();
-            Console.WriteLine("AMQPClient connected");
-            _channel = await _conn.CreateChannelAsync();
-
-            // Here we connect to the queue through the channel that got created earlier
-            await _channel.QueueDeclareAsync(queue: _queue, durable: false, exclusive: false, autoDelete: false);
-            Console.WriteLine($"{_queue} connected");
-            return true;
-        }
-
-        // The info for the factory
-        private void InitFactory()
-        {
-            _factory.UserName = _configuration["AMQP:username"];
-            _factory.Password = _configuration["AMQP:password"];
-            _factory.HostName = _configuration["AMQP:host"];
-            _factory.Port = Convert.ToInt32(_configuration["AMQP:port"]);
-        }
     }
 }

backend/Api/AMQP/AMQPReciever.cs

@@ -4,7 +4,6 @@ using RabbitMQ.Client;
 using RabbitMQ.Client.Events;
 using System.Text;
 using System.Text.Json;
-using System.Threading.Channels;
 
 namespace Api.AMQPReciever
 {
@@ -12,27 +11,34 @@ namespace Api.AMQPReciever
     {
         private readonly IConfiguration _configuration;
         private readonly DbAccess _dbAccess;
-        private IConnection _conn;
-        private IChannel _channel;
-        private ConnectionFactory _factory;
-        private string _queue;
 
         public AMQPReciever(IConfiguration configuration, DbAccess dbAccess)
         {
             _dbAccess = dbAccess;
             _configuration = configuration;
-            _factory = new ConnectionFactory();
-            _queue = "temperature-logs";
-
-            InitFactory();
         }
 
         public async Task Handle_Received_Application_Message()
         {
-            await Connect();
+            var factory = new ConnectionFactory();
+            var queue = "temperature-logs";
+
+            factory.UserName = _configuration["AMQP:username"];
+            factory.Password = _configuration["AMQP:password"];
+            factory.HostName = _configuration["AMQP:host"];
+            factory.Port = Convert.ToInt32(_configuration["AMQP:port"]);
+
+            // Connecting to our rabbitmq and after that it create's a channel where you can connect to a queue
+            using var conn = await factory.CreateConnectionAsync();
+            Console.WriteLine("AMQPClient connected");
+            using var channel = await conn.CreateChannelAsync();
+
+            // Here we connect to the queue through the channel that got created earlier
+            await channel.QueueDeclareAsync(queue: queue, durable: false, exclusive: false, autoDelete: false);
+            Console.WriteLine($"{queue} connected");
 
             // Everytime a message is recieved from the queue it goes into this consumer.ReceivedAsync
-            var consumer = new AsyncEventingBasicConsumer(_channel);
+            var consumer = new AsyncEventingBasicConsumer(channel);
             consumer.ReceivedAsync += (model, ea) =>
             {
                 Console.WriteLine("Received application message.");
@@ -67,44 +73,9 @@ namespace Api.AMQPReciever
             };
 
             // Consumes the data in the queue
-            await _channel.BasicConsumeAsync(_queue, true, consumer);
+            await channel.BasicConsumeAsync(queue, true, consumer);
 
 			while (true);
-
-            await Dispose();
-        }
-
-        // Disconnects from rabbitMQ
-        private async Task<bool> Dispose()
-        {
-            await _channel.CloseAsync();
-            await _conn.CloseAsync();
-            await _channel.DisposeAsync();
-            await _conn.DisposeAsync();
-            return true;
-        }
-
-        // Connects to rabbitMQ
-        private async Task<bool> Connect()
-        {
-            // Creating a new connection to rabbitMQ
-            _conn = await _factory.CreateConnectionAsync();
-            Console.WriteLine("AMQPClient connected");
-            _channel = await _conn.CreateChannelAsync();
-
-            // Here we connect to the queue through the channel that got created earlier
-            await _channel.QueueDeclareAsync(queue: _queue, durable: false, exclusive: false, autoDelete: false);
-            Console.WriteLine($"{_queue} connected");
-            return true;
-        }
-
-        // The info for the factory
-        private void InitFactory()
-        {
-            _factory.UserName = _configuration["AMQP:username"];
-            _factory.Password = _configuration["AMQP:password"];
-            _factory.HostName = _configuration["AMQP:host"];
-            _factory.Port = Convert.ToInt32(_configuration["AMQP:port"]);
         }
     }
 }

backend/Api/BusinessLogic/UserLogic.cs

@@ -49,7 +49,7 @@ namespace Api.BusinessLogic
 
             string salt = Guid.NewGuid().ToString();
             string hashedPassword = ComputeHash(user.Password, SHA256.Create(), salt);
-
+            
             user.Salt = salt;
             user.Password = hashedPassword;
 
@@ -74,9 +74,7 @@ namespace Api.BusinessLogic
             if (user.Password == hashedPassword)
             {
                 var token = GenerateJwtToken(user);
-                user.RefreshToken = Guid.NewGuid().ToString();
+                return new OkObjectResult(new { token, user.UserName, user.Id });
-                _dbAccess.UpdatesRefreshToken(user.RefreshToken, user.Id);
-                return new OkObjectResult(new { token, user.UserName, user.Id, refreshToken = user.RefreshToken });
             }
 
             return new ConflictObjectResult(new { message = "Invalid password" });
@@ -121,13 +119,6 @@ namespace Api.BusinessLogic
             return await _dbAccess.DeleteUser(userId);
         }
 
-        public async Task<IActionResult> RefreshToken(string refreshToken)
-        {
-            User user = await _dbAccess.ReadUser(refreshToken);
-            if (user == null) { return new ConflictObjectResult(new { message = "Could not match refreshtoken" }); }
-            return new OkObjectResult(GenerateJwtToken(user));
-        }
-
         /// <summary>
         /// Generates a hash from a salt and input using the algorithm that is provided
         /// </summary>

backend/Api/Controllers/UserController.cs

@@ -51,11 +51,5 @@ namespace Api.Controllers
             return await _userLogic.DeleteUser(userId);
         }
 
-        [HttpGet("RefreshToken")]
-        public async Task<IActionResult> RefreshToken(string refreshToken)
-        {
-            return await _userLogic.RefreshToken(refreshToken);
-        }
-
     }
 }

backend/Api/DBAccess/DBAccess.cs

@@ -75,20 +75,6 @@ namespace Api.DBAccess
             return await _context.Users.FirstOrDefaultAsync(u => u.Id == userId);
         }
 
-        // Returns a user according to refreshToken
-        public async Task<User> ReadUser(string refreshToken)
-        {
-            return await _context.Users.FirstOrDefaultAsync(u => u.RefreshToken == refreshToken);
-        }
-
-        public async void UpdatesRefreshToken(string refreshToken, int userId)
-        {
-            var user = await _context.Users.FirstOrDefaultAsync(u => u.Id == userId);
-
-            user.RefreshToken = refreshToken;
-            user.RefreshTokenExpiresAt = DateTime.Now.AddDays(7);
-        }
-
         /// <summary>
         /// Updates the user in the database
         /// </summary>

backend/Api/Migrations/20250327084557_AddedRefreshTokenToUser.Designer.cs

@@ -1,138 +0,0 @@
-// <auto-generated />
-using System;
-using Api;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace Api.Migrations
-{
-    [DbContext(typeof(DBContext))]
-    [Migration("20250327084557_AddedRefreshTokenToUser")]
-    partial class AddedRefreshTokenToUser
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "9.0.3");
-
-            modelBuilder.Entity("Api.Models.Device", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Name")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("ReferenceId")
-                        .HasColumnType("TEXT");
-
-                    b.Property<double>("TempHigh")
-                        .HasColumnType("REAL");
-
-                    b.Property<double>("TempLow")
-                        .HasColumnType("REAL");
-
-                    b.Property<int?>("UserId")
-                        .HasColumnType("INTEGER");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("UserId");
-
-                    b.ToTable("Devices");
-                });
-
-            modelBuilder.Entity("Api.Models.TemperatureLogs", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<DateTime>("Date")
-                        .HasColumnType("TEXT");
-
-                    b.Property<int?>("DeviceId")
-                        .HasColumnType("INTEGER");
-
-                    b.Property<double>("TempHigh")
-                        .HasColumnType("REAL");
-
-                    b.Property<double>("TempLow")
-                        .HasColumnType("REAL");
-
-                    b.Property<double>("Temperature")
-                        .HasColumnType("REAL");
-
-                    b.HasKey("Id");
-
-                    b.HasIndex("DeviceId");
-
-                    b.ToTable("TemperatureLogs");
-                });
-
-            modelBuilder.Entity("Api.Models.User", b =>
-                {
-                    b.Property<int>("Id")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Email")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Password")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("RefreshToken")
-                        .HasColumnType("TEXT");
-
-                    b.Property<DateTime>("RefreshTokenExpiresAt")
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Salt")
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("UserName")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("Id");
-
-                    b.ToTable("Users");
-                });
-
-            modelBuilder.Entity("Api.Models.Device", b =>
-                {
-                    b.HasOne("Api.Models.User", null)
-                        .WithMany("Devices")
-                        .HasForeignKey("UserId");
-                });
-
-            modelBuilder.Entity("Api.Models.TemperatureLogs", b =>
-                {
-                    b.HasOne("Api.Models.Device", null)
-                        .WithMany("Logs")
-                        .HasForeignKey("DeviceId");
-                });
-
-            modelBuilder.Entity("Api.Models.Device", b =>
-                {
-                    b.Navigation("Logs");
-                });
-
-            modelBuilder.Entity("Api.Models.User", b =>
-                {
-                    b.Navigation("Devices");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}

backend/Api/Migrations/20250327084557_AddedRefreshTokenToUser.cs

@@ -1,40 +0,0 @@
-using System;
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace Api.Migrations
-{
-    /// <inheritdoc />
-    public partial class AddedRefreshTokenToUser : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.AddColumn<string>(
-                name: "RefreshToken",
-                table: "Users",
-                type: "TEXT",
-                nullable: true);
-
-            migrationBuilder.AddColumn<DateTime>(
-                name: "RefreshTokenExpiresAt",
-                table: "Users",
-                type: "TEXT",
-                nullable: false,
-                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropColumn(
-                name: "RefreshToken",
-                table: "Users");
-
-            migrationBuilder.DropColumn(
-                name: "RefreshTokenExpiresAt",
-                table: "Users");
-        }
-    }
-}

backend/Api/Migrations/DBContextModelSnapshot.cs

@@ -88,12 +88,6 @@ namespace Api.Migrations
                         .IsRequired()
                         .HasColumnType("TEXT");
 
-                    b.Property<string>("RefreshToken")
-                        .HasColumnType("TEXT");
-
-                    b.Property<DateTime>("RefreshTokenExpiresAt")
-                        .HasColumnType("TEXT");
-
                     b.Property<string>("Salt")
                         .HasColumnType("TEXT");
 

backend/Api/Models/User.cs

@@ -12,10 +12,6 @@
 
         public string? Salt { get; set; }
 
-        public string? RefreshToken { get; set; }
-
-        public DateTime RefreshTokenExpiresAt { get; set; }
-
         public List<Device>? Devices { get; set; }
     }
 }

backend/Api/Startup.cs

@@ -66,29 +66,6 @@ namespace Api
             services.AddSwaggerGen(c =>
             {
                 c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });
-
-                // Configure Swagger to use Bearer token authentication
-                c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
-                {
-                    Description = "JWT Authorization header using the Bearer scheme",
-                    Type = SecuritySchemeType.Http,
-                    Scheme = "bearer"
-                });
-
-                c.AddSecurityRequirement(new OpenApiSecurityRequirement
-                {
-                    {
-                        new OpenApiSecurityScheme
-                        {
-                            Reference = new OpenApiReference
-                            {
-                                Type = ReferenceType.SecurityScheme,
-                                Id = "Bearer"
-                            }
-                        },
-                        new string[] { }
-                    }
-                });
             });
         }