Añadido registro de usuarios y configuración de JWTs

1 files changed, 53 insertions, 0 deletions

diff --git a/Controllers/UsersController.cs b/Controllers/UsersController.cs
new file mode 100644
index 0000000..52c9105
--- /dev/null
+++ b/Controllers/UsersController.cs
@@ -0,0 +1,53 @@
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.IdentityModel.Tokens;
+using System.IdentityModel.Tokens.Jwt;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using System.Text;
+using System.Security.Claims;
+using IdentityAPI.Models;
+using IdentityAPI.DTO;
+
+namespace IdentityAPI.Controllers {
+    [Route("api/users")]
+    [ApiController]
+    public class UsersController : ControllerBase {
+        private readonly ApplicationDbContext _context;
+        private readonly IConfiguration _configuration;
+        private readonly UserManager<IdentityUser> _manager;
+
+        public UsersController(ApplicationDbContext context, IConfiguration configuration, UserManager<IdentityUser> manager) {
+            _context = context;
+            _configuration = configuration;
+            _manager = manager;
+        }
+
+	[HttpPost("signup")]
+	public async Task<IActionResult> PostUser(UserDTO data) {
+	    var user = new IdentityUser { UserName = data.UserName, Email = data.Email };
+	    var result = await _manager.CreateAsync(user, data.Password);
+	    
+	    if(result.Succeeded)
+		return Ok(new { Token = GenerateToken(user) });
+
+            return StatusCode(422, new { error = "The provided user is invalid" });
+        }
+
+	private string GenerateToken(IdentityUser user) {
+            var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configuration["Jwt:Key"]));
+	    var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
+            var expiration = DateTime.UtcNow.AddMinutes(30);
+            var issuer = _configuration["Jwt:Issuer"];
+            var claims = new List<Claim> {
+		new Claim("sid", user.Id),
+		new Claim("username", user.UserName),
+		new Claim("email", user.Email)
+	    };
+            var descriptor = new JwtSecurityToken(issuer: null, audience: null, claims: claims, expires: expiration, signingCredentials: creds);
+
+            return new JwtSecurityTokenHandler().WriteToken(descriptor);
+        }
+    }
+}