initial commit

2026-03-20 23:52:10 +01:00
parent 05bea695bd
commit ce04cd8d77
38 changed files with 3006 additions and 52 deletions
--- a/CityInfo.API/Controllers/AuthenticationController.cs
+++ b/CityInfo.API/Controllers/AuthenticationController.cs
@@ -0,0 +1,88 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.IdentityModel.Tokens;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+
+namespace CityInfo.API.Controllers
+{
+    [Route("api/authentication")]
+    [ApiController]
+    public class AuthenticationController : ControllerBase
+    {
+        private readonly IConfiguration _configuration;
+
+        public class AuthenticationRequestBody
+        {
+            public string? UserName { get; set; }
+            public string? Password { get; set; }
+
+        }
+        internal class CityInfoUser
+        {
+            public int UserId { get; set; }
+            public string UserName { get; set; }
+            public string FirstName { get; set; }
+            public string LastName { get; set; }
+            public string City { get; set; }
+            public CityInfoUser(
+                int userId, string userName, string firstName, string lastName, string city)
+            {
+                UserId = userId;
+                UserName = userName;
+                FirstName = firstName;
+                LastName = lastName;
+                City = city;
+            }
+        }
+
+        public AuthenticationController(IConfiguration configuration)
+        {
+            _configuration = configuration ?? throw new ArgumentNullException(nameof(configuration));
+        }
+
+        [HttpPost("authenticate")]
+        public ActionResult<string> Authenticate(AuthenticationRequestBody authenticationRequestBody)
+        {
+            var user = ValidateUserCredentials(authenticationRequestBody.UserName, authenticationRequestBody.Password);
+            if (user == null)
+            {
+                return Unauthorized();
+            }
+
+            var securityKey = new SymmetricSecurityKey(Convert.FromBase64String(_configuration["Authentication:SecretForKey"]));
+            var signingCredentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
+
+            var claimsForToken = new List<Claim>
+            {
+                new Claim("sub", user.UserId.ToString()),
+                new Claim("given_name", user.FirstName),
+                new Claim("family_name", user.LastName),
+                new Claim("city", user.City)
+            };
+
+            var jwtSecurityToken = new JwtSecurityToken(
+                _configuration["Authentication:Issuer"],
+                _configuration["Authentication:Audience"],
+                claimsForToken,
+                DateTime.UtcNow,
+                DateTime.UtcNow.AddHours(1),
+                signingCredentials);
+
+            var tokenToReturn = new JwtSecurityTokenHandler().WriteToken(jwtSecurityToken);
+
+            return Ok(tokenToReturn);
+        }
+
+        private CityInfoUser ValidateUserCredentials(string? userName, string? password)
+        {
+            return new CityInfoUser(
+                1,
+                userName ?? "",
+                "Nathan",
+                "Pire",
+                "Charleroi");
+        }
+    }
+
+}