made sure that all middleware must extend to PulseFrame/Middleware.

src/Http/Middleware/AdminMiddleware.php

@@ -2,18 +2,17 @@
 
 namespace PulseFrame\Http\Middleware;
 
-use PulseFrame\Facades\Request;
-use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
-use Closure;
+use PulseFrame\Middleware;
+use PulseFrame\Exceptions\AccessForbiddenException;
 
-class AdminMiddleware
+class AdminMiddleware extends Middleware
 {
-  public function handle(Request $request, Closure $next)
+  public function handle($request, $next)
   {
     if ($_SESSION['role'] === 'admin') {
       return $next($request);
     } else {
-      throw new AccessDeniedHttpException('Forbidden');
+      throw new AccessForbiddenException("You are not authorized to access this resource.");
     }
   }
 }

src/Http/Middleware/ApiMiddleware.php

@@ -2,13 +2,12 @@
 
 namespace PulseFrame\Http\Middleware;
 
-use PulseFrame\Facades\Request;
+use PulseFrame\Middleware;
 use PulseFrame\Facades\Response;
-use Closure;
 
-class ApiMiddleware
+class ApiMiddleware extends Middleware
 {
-  public function handle(Request $request, Closure $next)
+  public function handle($request, $next)
   {
     $maxRequestsPerHour = 100;
 
@@ -33,7 +32,9 @@ public function handle(Request $request, Closure $next)
     $_SESSION[$key] = $rateLimitData;
 
     if ($rateLimitData['requests'] > $maxRequestsPerHour) {
-      return Response::JSON('error', 'Rate limit exceeded.');
+      http_response_code(429);
+      echo Response::JSON('error', 'Rate limit exceeded.');
+      exit;
     }
 
     return $next($request);

src/Http/Middleware/AuthMiddleware.php

@@ -2,14 +2,13 @@
 
 namespace PulseFrame\Http\Middleware;
 
+use PulseFrame\Middleware;
 use PulseFrame\Facades\Response;
 use PulseFrame\Facades\Database;
-use PulseFrame\Facades\Request;
-use Closure;
 
-class AuthMiddleware
+class AuthMiddleware extends Middleware
 {
-  public function handle(Request $request, Closure $next)
+  public function handle($request, $next)
   {
     if (isset($_SESSION['loggedin']) && $_SESSION['loggedin'] === true) {
       $user = Database::find("UsersModel", $_SESSION['email']);

src/Http/Middleware/WebMiddleware.php

@@ -2,14 +2,14 @@
 
 namespace PulseFrame\Http\Middleware;
 
+use PulseFrame\Middleware;
 use PulseFrame\Facades\View;
 use PulseFrame\Facades\Response;
 use PulseFrame\Facades\Request;
-use Closure;
 
-class WebMiddleware
+class WebMiddleware extends Middleware
 {
-  public function handle(Request $request, Closure $next)
+  public function handle($request, $next)
   {
     $maintenanceFile = $_ENV['storage_path'] . '/framework/maintenance.flag';
 

src/Middleware.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace PulseFrame;
+
+use PulseFrame\Facades\Request;
+use Closure;
+
+abstract class Middleware
+{
+  abstract public function handle(Request $request, Closure $next);
+}