TimetableDesigner/TimetableDesigner.Backend.Services.Authentication
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main project split, authpassword endpoint created

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This commit is contained in:
Mateusz Skoczek
2026-01-20 02:14:01 +01:00
Unverified
parent a01e8666a3
commit 49e6c8a643
32 changed files with 246 additions and 104 deletions
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11
TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthPassword/AuthPasswordCommand.cs Normal file
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using MediatR;
namespace TimetableDesigner.Backend.Services.Authentication.Core.Commands.AuthPassword;
public record AuthPasswordCommand
(
string Email,
string Password,
bool RememberMe
)
: IRequest<AuthPasswordResult>;

36
TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthPassword/AuthPasswordHandler.cs Normal file
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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.AuthPassword;
public class AuthPasswordHandler : IRequestHandler<AuthPasswordCommand, AuthPasswordResult>
{
private readonly DatabaseContext _databaseContext;
private readonly IPasswordHasher _passwordHasher;
public AuthPasswordHandler(DatabaseContext databaseContext, IPasswordHasher passwordHasher)
{
_databaseContext = databaseContext;
_passwordHasher = passwordHasher;
}
public async Task<AuthPasswordResult> Handle(AuthPasswordCommand request, CancellationToken cancellationToken)
{
Account? account = await _databaseContext.Accounts.FirstOrDefaultAsync(x => x.Email == request.Email, cancellationToken);
if (account is null)
{
return AuthPasswordResult.Failure();
}
PasswordHashData hash = new PasswordHashData(account.Password, account.PasswordSalt);
if (!_passwordHasher.ValidatePassword(hash, request.Password))
{
return AuthPasswordResult.Failure();
}
return null;
}
}

21
TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthPassword/AuthPasswordResult.cs Normal file
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namespace TimetableDesigner.Backend.Services.Authentication.Core.Commands.AuthPassword;
public record AuthPasswordResult
{
public bool IsSuccess { get; }
public string? AccessToken { get; }
public string? RefreshToken { get; }
private AuthPasswordResult(bool isSuccess, string? accessToken, string? refreshToken)
{
IsSuccess = isSuccess;
AccessToken = accessToken;
RefreshToken = refreshToken;
}
public static AuthPasswordResult Success(string accessToken, string refreshToken) =>
new AuthPasswordResult(true, accessToken, refreshToken);
public static AuthPasswordResult Failure() =>
new AuthPasswordResult(false, null, null);
}

10
TimetableDesigner.Backend.Services.Authentication.Core/Commands/Register/RegisterCommand.cs Normal file
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using MediatR;
namespace TimetableDesigner.Backend.Services.Authentication.Core.Commands.Register;
public record RegisterCommand
(
string Email,
string Password
)
: IRequest<RegisterResult>;

39
TimetableDesigner.Backend.Services.Authentication.Core/Commands/Register/RegisterHandler.cs Normal file
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using MediatR;
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.Register;
public class RegisterHandler : IRequestHandler<RegisterCommand, RegisterResult>
{
private readonly DatabaseContext _databaseContext;
private readonly IPasswordHasher _passwordHasher;
public RegisterHandler(DatabaseContext databaseContext, IPasswordHasher passwordHasher)
{
_databaseContext = databaseContext;
_passwordHasher = passwordHasher;
}
public async Task<RegisterResult> Handle(RegisterCommand command, CancellationToken cancellationToken)
{
PasswordHashData hash = _passwordHasher.CreateHash(command.Password);
Account account = new Account
{
Email = command.Email,
Password = hash.Hash,
PasswordSalt = hash.Salt,
};
await _databaseContext.Accounts.AddAsync(account, cancellationToken);
// Change to outbox pattern
//RegisterEvent eventData = account.ToEvent();
//await _eventQueuePublisher.PublishAsync(eventData);
await _databaseContext.SaveChangesAsync(cancellationToken);
return new RegisterResult(account.Id, account.Email);
}
}

7
TimetableDesigner.Backend.Services.Authentication.Core/Commands/Register/RegisterResult.cs Normal file
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namespace TimetableDesigner.Backend.Services.Authentication.Core.Commands.Register;
public record RegisterResult
(
long Id,
string Email
);

7
TimetableDesigner.Backend.Services.Authentication.Core/Helpers/IPasswordHasher.cs Normal file
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namespace TimetableDesigner.Backend.Services.Authentication.Core.Helpers;
public interface IPasswordHasher
{
PasswordHashData CreateHash(string password);
bool ValidatePassword(PasswordHashData hash, string password);
}

6
TimetableDesigner.Backend.Services.Authentication.Core/Helpers/PasswordHashData.cs Normal file
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namespace TimetableDesigner.Backend.Services.Authentication.Core.Helpers;
public record PasswordHashData(
byte[] Hash,
string Salt
);

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TimetableDesigner.Backend.Services.Authentication.Core/Helpers/PasswordHasher.cs Normal file
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using System.Security.Cryptography;
using System.Text;
using Konscious.Security.Cryptography;
namespace TimetableDesigner.Backend.Services.Authentication.Core.Helpers;
public class PasswordHasher : IPasswordHasher
{
private const string RandomPasswordCharacters = "QWERTYUIOPASDFGHJKLZXCVBNMqwertyuiopasdfghjklzxcvbnm1234567890!@#$%^&*()-_=+[{]};:'\"\\|,<.>/?";
public PasswordHashData CreateHash(string password)
{
string salt = RandomNumberGenerator.GetString(RandomPasswordCharacters, 20);
byte[] hash = ComputeHash(password, salt);
PasswordHashData data = new PasswordHashData(hash, salt);
return data;
}
public bool ValidatePassword(PasswordHashData hash, string password)
{
byte[] actualHash = hash.Hash;
byte[] checkedHash = ComputeHash(password, hash.Salt);
bool checkResult = checkedHash.SequenceEqual(actualHash);
return checkResult;
}
protected byte[] ComputeHash(string password, string salt)
{
Argon2id hashFunction = new Argon2id(Encoding.UTF8.GetBytes(password))
{
Salt = Encoding.UTF8.GetBytes(salt),
DegreeOfParallelism = 8,
MemorySize = 65536,
Iterations = 4
};
byte[] hash = hashFunction.GetBytes(32);
return hash;
}
}

27
TimetableDesigner.Backend.Services.Authentication.Core/Helpers/TokenGenerator.cs Normal file
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using Microsoft.Extensions.Configuration;
namespace TimetableDesigner.Backend.Services.Authentication.Core.Helpers;
public class TokenGenerator
{
/*
public TokenGenerator(IConfiguration configuration, DatabaseContext databaseContext)
{
}
public string GenerateAccessToken(Account account)
{
}
public async Task<string> GenerateRefreshTokenAsync(Account account)
{
}
public async Task<string> ExtendRefreshTokenAsync()
{
}*/
}

19
TimetableDesigner.Backend.Services.Authentication.Core/TimetableDesigner.Backend.Services.Authentication.Core.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\TimetableDesigner.Backend.Services.Authentication.Database\TimetableDesigner.Backend.Services.Authentication.Database.csproj" />
<ProjectReference Include="..\TimetableDesigner.Backend.Services.Authentication.DTO.Events\TimetableDesigner.Backend.Services.Authentication.DTO.Events.csproj" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Konscious.Security.Cryptography.Argon2" Version="1.3.1" />
<PackageReference Include="MediatR" Version="14.0.0" />
</ItemGroup>
</Project>