revise backend

Web/content/ftp/serverstat.php

@@ -1,16 +1,8 @@
 <?php
-// Include this at the top to see potential errors
-// Comment out in production
-ini_set('display_errors', 1);
-error_reporting(E_ALL);
+require_once __DIR__ . '/../../includes/auth.php';
+requireLogin('../../index.php');
 
-session_start();
-
-if (empty($_SESSION['admin']) || $_SESSION['admin'] !== true) {
-    session_destroy();
-    header("location: ../../index.php");
-    exit();
-}
+requirePermission('admin', 'You do not have permission to view server statistics.');
 
 require_once __DIR__ . '/../../config/config.php';
 require_once __DIR__ . '/../../includes/workspace.php';
@@ -90,7 +82,6 @@ $monitors = [
     'class' => 'server-page',
 ]); ?>
 
-
 <div class="content-toolbar"><p>Live statistics · refreshes every 5 seconds</p><span class="badge bg-light text-dark"><i class="ui-icon icon-clock" aria-hidden="true"></i> <?= htmlspecialchars($systemData['lastUpdate']) ?></span></div>
 <div class="stats-grid">
     <?php foreach ($monitors as $monitor): ?>