First Commit

modules/systemconfig/classes/Middleware/MaintenanceMiddleware.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace Modules\SystemConfig\Middleware;
+
+use Closure;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Modules\SystemConfig\Models\SystemConfig;
+use Kernel\View;
+
+class MaintenanceMiddleware
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param Request $request
+     * @param Closure $next
+     * @return mixed
+     */
+    public function handle(Request $request, Closure $next)
+    {
+        // Check if maintenance mode is enabled
+        $maintenanceMode = false;
+        try {
+            if (class_exists(SystemConfig::class)) {
+                $config = SystemConfig::where('system_config_key', 'maintenance_mode')->first();
+                if ($config && $config->system_config_value == '1') {
+                    $maintenanceMode = true;
+                }
+            }
+        } catch (\Exception $e) {
+            // If DB fails, assume not in maintenance or handle gracefully
+            $maintenanceMode = false;
+        }
+
+        if (!$maintenanceMode) {
+            return $next($request);
+        }
+
+        // Inject maintenance mode variable into view
+        try {
+            $view = new View();
+            $view->getEngine()->addGlobal('is_maintenance_mode', true);
+        } catch (\Throwable $e) {
+        }
+
+        // Allow access to login route and assets
+        $path = $request->getPathInfo();
+        $allowedRoutes = ['/login', '/auth/login'];
+        $isAsset = preg_match('/\.(css|js|jpg|jpeg|png|gif|ico|woff|woff2|ttf|svg)$/', $path);
+
+        if (in_array($path, $allowedRoutes) || $isAsset) {
+            return $next($request);
+        }
+
+        // Allow Super Admin to bypass
+        if ($this->isSuperAdmin()) {
+            return $next($request);
+        }
+
+        // Render maintenance page
+        try {
+            $view = new View();
+            return new Response($view->render('errors/maintenance.twig'), 503);
+        } catch (\Throwable $e) {
+            return new Response('Maintenance Mode', 503);
+        }
+    }
+
+    /**
+     * Check if current user is Super Admin.
+     *
+     * @return bool
+     */
+    protected function isSuperAdmin(): bool
+    {
+        if (!isset($_SESSION['user_id'])) {
+            return false;
+        }
+
+        try {
+            if (class_exists('\Modules\Auth\Models\User')) {
+                $user = \Modules\Auth\Models\User::find($_SESSION['user_id']);
+                return $user && $user->isSuperAdmin();
+            }
+        } catch (\Exception $e) {
+            return false;
+        }
+        return false;
+    }
+}