Initial version upload

controllers/AuthController.php

@@ -0,0 +1,41 @@
+<?php
+
+class AuthController extends Controller {
+    public function login(): void {
+        $this->requireSetup();
+        
+        if (isset($_SESSION['user_id'])) {
+            $this->redirect('/home');
+            return;
+        }
+        
+        $this->view('login');
+    }
+    
+    public function authenticate(): void {
+        $this->requireSetup();
+        
+        $password = $_POST['password'] ?? '';
+        
+        if (empty($password)) {
+            $_SESSION['error'] = 'Password is required';
+            $this->redirect('/login');
+            return;
+        }
+        
+        $user = new User();
+        
+        if ($user->verifyPassword($password)) {
+            $_SESSION['user_id'] = $user->getId();
+            $this->redirect('/home');
+        } else {
+            $_SESSION['error'] = 'Invalid password';
+            $this->redirect('/login');
+        }
+    }
+    
+    public function logout(): void {
+        session_destroy();
+        $this->redirect('/login');
+    }
+}