Added authentication and authorization, updated dependency injections, removed hard-coded connection string

SchengenVisaApi/SchengenVisaApi/Controllers/UsersController.cs

@@ -0,0 +1,27 @@
+using ApplicationLayer.AuthServices.LoginService;
+using ApplicationLayer.AuthServices.RegisterService;
+using ApplicationLayer.AuthServices.Requests;
+using Microsoft.AspNetCore.Identity.Data;
+using Microsoft.AspNetCore.Mvc;
+
+namespace SchengenVisaApi.Controllers
+{
+    [ApiController]
+    [Route("auth")]
+    public class UsersController(IRegisterService registerService, ILoginService loginService) : Controller
+    {
+        [HttpPost]
+        public async Task<IActionResult> Register(RegisterApplicantRequest request, CancellationToken cancellationToken)
+        {
+            await registerService.Register(request, cancellationToken);
+            return Created();
+        }
+
+        [HttpGet]
+        public async Task<IActionResult> Login(string email, string password, CancellationToken cancellationToken)
+        {
+            var result = await loginService.LoginAsync(new UserLoginRequest(email, password), cancellationToken);
+            return Ok(result);
+        }
+    }
+}

SchengenVisaApi/SchengenVisaApi/Controllers/VisaApplicationController.cs

@@ -1,5 +1,5 @@
-using ApplicationLayer.VisaApplications.Handlers;
-using ApplicationLayer.VisaApplications.Requests;
+using ApplicationLayer.DataAccessingServices.VisaApplications.Handlers;
+using ApplicationLayer.DataAccessingServices.VisaApplications.Requests;
 using Microsoft.AspNetCore.Mvc;
 
 namespace SchengenVisaApi.Controllers;

SchengenVisaApi/SchengenVisaApi/DependencyInjection.cs

@@ -1,6 +1,10 @@
 using System.Reflection;
+using System.Text;
 using ApplicationLayer;
 using Infrastructure;
+using Infrastructure.Auth;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.IdentityModel.Tokens;
 
 namespace SchengenVisaApi;
 
@@ -8,21 +12,61 @@ namespace SchengenVisaApi;
 public static class DependencyInjection
 {
     /// Add needed services
-    public static IServiceCollection RegisterServices(this IServiceCollection services)
+    public static void RegisterServices(this WebApplicationBuilder builder)
     {
-        services
-            .AddInfrastructure()
+        var config = builder.Configuration;
+        var environment = builder.Environment;
+
+        builder.Services
+            .AddInfrastructure(config, environment.IsDevelopment())
             .AddApplicationLayer()
-            .AddPresentation();
+            .AddAuth(config)
+            .AddPresentation(environment);
+    }
+
+    /// Add services needed for Presentation layer
+    private static void AddPresentation(this IServiceCollection services,
+        IWebHostEnvironment environment)
+    {
+        if (environment.IsDevelopment())
+        {
+            services.AddSwagger();
+        }
+
+        services.AddControllers();
+    }
+
+    /// Adds authentication, authorization and token generator
+    private static IServiceCollection AddAuth(this IServiceCollection services, IConfigurationManager configurationManager)
+    {
+        var parameters = new TokenValidationParameters
+        {
+            ValidIssuer = configurationManager["JwtSettings:Issuer"],
+            ValidAudience = configurationManager["JwtSettings:Audience"],
+            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(configurationManager["JwtSettings:Key"]!)),
+            ValidateIssuer = true,
+            ValidateAudience = true,
+            ValidateLifetime = true,
+            ValidateIssuerSigningKey = true
+        };
+
+        services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
+            .AddJwtBearer(opts => opts.TokenValidationParameters = parameters);
+        services.AddAuthorization();
+
+        services.AddTokenGenerator(new TokenGeneratorOptions(
+            Issuer: parameters.ValidIssuer!,
+            Audience: parameters.ValidAudience!,
+            Credentials: new SigningCredentials(parameters.IssuerSigningKey, SecurityAlgorithms.HmacSha256),
+            ValidTime: TimeSpan.FromMinutes(30)
+        ));
 
         return services;
     }
 
-    /// Add services needed for Presentation layer
-    private static void AddPresentation(this IServiceCollection services)
+    /// Add swagger
+    private static void AddSwagger(this IServiceCollection services)
     {
-        services.AddControllers();
-        services.AddEndpointsApiExplorer();
         services.AddSwaggerGen(options =>
         {
             var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";

SchengenVisaApi/SchengenVisaApi/Program.cs

@@ -1,11 +1,12 @@
 namespace SchengenVisaApi;
+
 #pragma warning disable CS1591
 public class Program
 {
     public static void Main(string[] args)
     {
         var builder = WebApplication.CreateBuilder(args);
-        builder.Services.RegisterServices();
+        builder.RegisterServices();
 
         var app = builder.Build();
         app.ConfigurePipelineRequest();
@@ -13,4 +14,4 @@ public class Program
         app.Run();
     }
 }
-#pragma warning restore CS1591
+#pragma warning restore CS1591

SchengenVisaApi/SchengenVisaApi/RequestPipeline.cs

@@ -11,8 +11,11 @@ public static class PipelineRequest
 
         app.UseHttpsRedirection();
 
+        app.UseAuthentication()
+            .UseAuthorization();
+
         app.MapControllers();
 
         return app;
     }
-}
+}

SchengenVisaApi/SchengenVisaApi/appsettings.json

@@ -5,5 +5,16 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+
+  "ConnectionStrings": {
+    "developmentDB": "Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=visadb;Integrated Security=True;",
+    "normal'naya db": ""
+  },
+
+  "JwtSettings": {
+    "Issuer":"visaAPI",
+    "Audience":"visaClient",
+    "Key": "frsjiajfapojrpwauflakpiowaidoaplakrf"
+  }
 }