feat: add user management, refs NOISSUE

song_of_the_day/Controllers/AuthController.cs

@@ -0,0 +1,40 @@
+
+using Microsoft.AspNetCore.Mvc;
+using System.Security.Claims;
+using Microsoft.AspNetCore.Authentication.Cookies;
+using Microsoft.AspNetCore.Authentication;
+
+public class AuthController : Controller
+{
+    [HttpPost]
+    public async Task<IActionResult> Login(string username, string password)
+    {
+        var ldapService = HttpContext.RequestServices.GetService<LdapAuthenticationService>();
+        if (ldapService.Authenticate(username, password))
+        {
+            var claims = new[] { new Claim(ClaimTypes.Name, username) };
+            var identity = new ClaimsIdentity(claims, CookieAuthenticationDefaults.AuthenticationScheme);
+            await HttpContext.SignInAsync(new ClaimsPrincipal(identity));
+            return RedirectToSamePageIfPossible();
+        }
+
+        ViewBag.Error = "Invalid credentials";
+        return RedirectToSamePageIfPossible();
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> Logout()
+    {
+        await HttpContext.SignOutAsync();
+        return RedirectToSamePageIfPossible();
+    }
+
+    private IActionResult RedirectToSamePageIfPossible()
+    {
+        if (Request.Headers.ContainsKey("Referer"))
+        {
+            return Redirect(Request.Headers["Referer"].ToString());
+        }
+        return RedirectToPage("/");
+    }
+}