75 lines
2.3 KiB
C#
75 lines
2.3 KiB
C#
namespace TomatenMusic_Api.Auth.Services;
|
|
|
|
using Microsoft.Extensions.Options;
|
|
using Microsoft.IdentityModel.Tokens;
|
|
using System.IdentityModel.Tokens.Jwt;
|
|
using System.Security.Claims;
|
|
using System.Text;
|
|
using TomatenMusic_Api.Auth.Entities;
|
|
using TomatenMusic_Api.Auth.Helpers;
|
|
using TomatenMusic_Api.Auth.Models;
|
|
|
|
public interface IUserService
|
|
{
|
|
AuthenticateResponse Authenticate(AuthenticateRequest model);
|
|
IEnumerable<User> GetAll();
|
|
User GetById(int id);
|
|
}
|
|
|
|
public class UserService : IUserService
|
|
{
|
|
// users hardcoded for simplicity, store in a db with hashed passwords in production applications
|
|
private List<User> _users = new List<User>
|
|
{
|
|
new User { Id = 1, FirstName = "Jannick", LastName = "Voss", Username = "Glowman", Password = "RX5GXstLLBvdt#_N" },
|
|
new User { Id = 2, FirstName = "Tim", LastName= "Müller", Password= "SGWaldsolms9", Username = "Tueem"}
|
|
|
|
};
|
|
|
|
private readonly AppSettings _appSettings;
|
|
|
|
public UserService(IOptions<AppSettings> appSettings)
|
|
{
|
|
_appSettings = appSettings.Value;
|
|
}
|
|
|
|
public AuthenticateResponse Authenticate(AuthenticateRequest model)
|
|
{
|
|
var user = _users.SingleOrDefault(x => x.Username == model.Username && x.Password == model.Password);
|
|
|
|
// return null if user not found
|
|
if (user == null) return null;
|
|
|
|
// authentication successful so generate jwt token
|
|
var token = generateJwtToken(user);
|
|
|
|
return new AuthenticateResponse(user, token);
|
|
}
|
|
|
|
public IEnumerable<User> GetAll()
|
|
{
|
|
return _users;
|
|
}
|
|
|
|
public User GetById(int id)
|
|
{
|
|
return _users.FirstOrDefault(x => x.Id == id);
|
|
}
|
|
|
|
// helper methods
|
|
|
|
private string generateJwtToken(User user)
|
|
{
|
|
// generate token that is valid for 7 days
|
|
var tokenHandler = new JwtSecurityTokenHandler();
|
|
var key = Encoding.ASCII.GetBytes(_appSettings.Secret);
|
|
var tokenDescriptor = new SecurityTokenDescriptor
|
|
{
|
|
Subject = new ClaimsIdentity(new[] { new Claim("id", user.Id.ToString()) }),
|
|
Expires = DateTime.UtcNow.AddDays(1),
|
|
SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
|
|
};
|
|
var token = tokenHandler.CreateToken(tokenDescriptor);
|
|
return tokenHandler.WriteToken(token);
|
|
}
|
|
} |