Files
GestorWebFacturas/Backend/GestorFacturas.API/Services/AuthService.cs
2025-12-12 15:40:34 -03:00

74 lines
2.2 KiB
C#

using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Security.Cryptography;
using System.Text;
using Microsoft.IdentityModel.Tokens;
using GestorFacturas.API.Models;
using GestorFacturas.API.Data;
using BCrypt.Net;
namespace GestorFacturas.API.Services;
public class AuthService
{
private readonly IConfiguration _config;
private readonly ApplicationDbContext _context;
public AuthService(IConfiguration config, ApplicationDbContext context)
{
_config = config;
_context = context;
}
public bool VerificarPassword(string password, string hash)
{
try { return BCrypt.Net.BCrypt.Verify(password, hash); } catch { return false; }
}
public string GenerarHash(string password)
{
return BCrypt.Net.BCrypt.HashPassword(password);
}
// Generar JWT (Access Token) - Vida corta (ej. 15 min)
public string GenerarAccessToken(Usuario usuario)
{
var keyStr = _config["Jwt:Key"] ?? throw new InvalidOperationException("Jwt:Key no configurada");
var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(keyStr));
var credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
var claims = new[]
{
new Claim(ClaimTypes.NameIdentifier, usuario.Id.ToString()),
new Claim(ClaimTypes.Name, usuario.Username)
};
var token = new JwtSecurityToken(
_config["Jwt:Issuer"],
_config["Jwt:Audience"],
claims,
expires: DateTime.UtcNow.AddMinutes(15),
signingCredentials: credentials);
return new JwtSecurityTokenHandler().WriteToken(token);
}
// Generar Refresh Token - Vida larga (ej. 7 días)
public RefreshToken GenerarRefreshToken(int usuarioId, bool isPersistent)
{
// Si es persistente: 30 días.
// Si NO es persistente: 12 horas.
var duracion = isPersistent ? TimeSpan.FromDays(30) : TimeSpan.FromHours(12);
var refreshToken = new RefreshToken
{
Token = Convert.ToBase64String(RandomNumberGenerator.GetBytes(64)),
Expires = DateTime.UtcNow.Add(duracion),
Created = DateTime.UtcNow,
UsuarioId = usuarioId,
IsPersistent = isPersistent
};
return refreshToken;
}
}