auth token endpoint added

TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthPassword/AuthPasswordHandler.cs

@@ -10,13 +10,13 @@ public class AuthPasswordHandler : IRequestHandler<AuthPasswordCommand, AuthPass
 {
     private readonly DatabaseContext _databaseContext;
     private readonly IPasswordHasher _passwordHasher;
-    private readonly ITokenGenerator _tokenGenerator;
+    private readonly IAccessTokenGenerator _accessTokenGenerator;
 
-    public AuthPasswordHandler(DatabaseContext databaseContext, IPasswordHasher passwordHasher, ITokenGenerator tokenGenerator)
+    public AuthPasswordHandler(DatabaseContext databaseContext, IPasswordHasher passwordHasher, IAccessTokenGenerator accessTokenGenerator)
     {
         _databaseContext = databaseContext;
         _passwordHasher = passwordHasher;
-        _tokenGenerator = tokenGenerator;
+        _accessTokenGenerator = accessTokenGenerator;
     }
     
     public async Task<AuthPasswordResult> Handle(AuthPasswordCommand request, CancellationToken cancellationToken)
@@ -32,10 +32,13 @@ public class AuthPasswordHandler : IRequestHandler<AuthPasswordCommand, AuthPass
         {
             return AuthPasswordResult.Failure();
         }
+        
+        string accessToken = _accessTokenGenerator.GenerateAccessToken(account);
+        RefreshToken refreshToken = _accessTokenGenerator.GenerateRefreshToken(request.RememberMe);
+        
+        account.RefreshTokens.Add(refreshToken);
+        await _databaseContext.SaveChangesAsync(cancellationToken);
 
-        string refreshToken = await _tokenGenerator.GenerateRefreshTokenAsync(account, request.RememberMe);
-        string accessToken = _tokenGenerator.GenerateAccessToken(account);
-
-        return AuthPasswordResult.Success(refreshToken, accessToken);
+        return AuthPasswordResult.Success(accessToken, refreshToken.Token.ToString());
     }
 }

TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthToken/AuthTokenCommand.cs

@@ -0,0 +1,10 @@
+using MediatR;
+
+namespace TimetableDesigner.Backend.Services.Authentication.Core.Commands.AuthToken;
+
+public record AuthTokenCommand
+(
+    string AccessToken,
+    string RefreshToken
+) 
+: IRequest<AuthTokenResult>;

TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthToken/AuthTokenHandler.cs

@@ -0,0 +1,39 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using TimetableDesigner.Backend.Services.Authentication.Core.Helpers;
+using TimetableDesigner.Backend.Services.Authentication.Database;
+using TimetableDesigner.Backend.Services.Authentication.Database.Model;
+
+namespace TimetableDesigner.Backend.Services.Authentication.Core.Commands.AuthToken;
+
+public class AuthTokenHandler : IRequestHandler<AuthTokenCommand, AuthTokenResult>
+{
+    private readonly DatabaseContext _databaseContext;
+    private readonly IAccessTokenGenerator _accessTokenGenerator;
+
+    public AuthTokenHandler(DatabaseContext databaseContext, IAccessTokenGenerator accessTokenGenerator)
+    {
+        _databaseContext = databaseContext;
+        _accessTokenGenerator = accessTokenGenerator;
+    }
+    
+    public async Task<AuthTokenResult> Handle(AuthTokenCommand request, CancellationToken cancellationToken)
+    {
+        RefreshToken? token = await _databaseContext.RefreshTokens
+                                                    .Include(x => x.Account)
+                                                    .FirstOrDefaultAsync(x => x.Token == Guid.Parse(request.RefreshToken), cancellationToken);
+        if (token is null || token.ExpirationDate < DateTimeOffset.UtcNow || !_accessTokenGenerator.ValidateExpiredAccessToken(request.AccessToken))
+        {
+            return AuthTokenResult.Failure();
+        }
+        
+        string accessToken = _accessTokenGenerator.GenerateAccessToken(token.Account);
+        if (token.IsExtendable)
+        {
+            
+        }
+        
+
+        return AuthTokenResult.Success(refreshToken, accessToken);
+    }
+}

TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthToken/AuthTokenResult.cs

@@ -0,0 +1,21 @@
+namespace TimetableDesigner.Backend.Services.Authentication.Core.Commands.AuthToken;
+
+public record AuthTokenResult
+{
+    public bool IsSuccess { get; }
+    public string? AccessToken { get; }
+    public string? RefreshToken { get; }
+
+    private AuthTokenResult(bool isSuccess, string? accessToken, string? refreshToken)
+    {
+        IsSuccess = isSuccess;
+        AccessToken = accessToken;
+        RefreshToken = refreshToken;
+    }
+
+    public static AuthTokenResult Success(string accessToken, string refreshToken) =>
+        new AuthTokenResult(true, accessToken, refreshToken);
+    
+    public static AuthTokenResult Failure() =>
+        new AuthTokenResult(false, null, null);
+}