Adds simple admin-tools page

app/pages/admin-tools.php

@@ -0,0 +1,94 @@
+<?php
+/**
+ * Admin tools controller
+ *
+ * Allows superusers to:
+ * - Enable/disable maintenance mode
+ * - Run database migrations
+ */
+
+// Security and CSRF
+require_once __DIR__ . '/../helpers/security.php';
+$security = SecurityHelper::getInstance();
+
+// Must be logged in
+if (!Session::isValidSession()) {
+    header('Location: ' . $app_root . '?page=login');
+    exit;
+}
+
+// Must be superuser
+$canAdmin = false;
+if (isset($userId) && isset($userObject) && method_exists($userObject, 'hasRight')) {
+    $canAdmin = ($userId === 1) || (bool)$userObject->hasRight($userId, 'superuser');
+}
+if (!$canAdmin) {
+    Feedback::flash('SECURITY', 'PERMISSION_DENIED');
+    header('Location: ' . $app_root);
+    exit;
+}
+
+// Handle actions
+$action = $_POST['action'] ?? '';
+if ($action !== '') {
+    if (!$security->verifyCsrfToken($_POST['csrf_token'] ?? '')) {
+        Feedback::flash('SECURITY', 'CSRF_INVALID');
+        header('Location: ' . $app_root . '?page=admin-tools');
+        exit;
+    }
+
+    try {
+        if ($action === 'maintenance_on') {
+            require_once __DIR__ . '/../core/Maintenance.php';
+            $msg = trim($_POST['maintenance_message'] ?? '');
+            \App\Core\Maintenance::enable($msg);
+            Feedback::flash('NOTICE', 'DEFAULT', 'Maintenance mode enabled.', true);
+        } elseif ($action === 'maintenance_off') {
+            require_once __DIR__ . '/../core/Maintenance.php';
+            \App\Core\Maintenance::disable();
+            Feedback::flash('NOTICE', 'DEFAULT', 'Maintenance mode disabled.', true);
+        } elseif ($action === 'migrate_up') {
+            require_once __DIR__ . '/../core/MigrationRunner.php';
+            $migrationsDir = __DIR__ . '/../../doc/database/migrations';
+            $runner = new \App\Core\MigrationRunner($db, $migrationsDir);
+            $applied = $runner->applyPendingMigrations();
+            if (empty($applied)) {
+                Feedback::flash('NOTICE', 'DEFAULT', 'No pending migrations.', true);
+            } else {
+                Feedback::flash('NOTICE', 'DEFAULT', 'Applied migrations: ' . implode(', ', $applied), true);
+            }
+        }
+    } catch (Throwable $e) {
+        Feedback::flash('ERROR', 'DEFAULT', 'Action failed: ' . $e->getMessage(), false);
+    }
+
+    header('Location: ' . $app_root . '?page=admin-tools');
+    exit;
+}
+
+// Prepare data for view
+require_once __DIR__ . '/../core/Maintenance.php';
+$maintenance_enabled = \App\Core\Maintenance::isEnabled();
+$maintenance_message = \App\Core\Maintenance::getMessage();
+
+require_once __DIR__ . '/../core/MigrationRunner.php';
+$migrationsDir = __DIR__ . '/../../doc/database/migrations';
+$pending = [];
+$applied = [];
+try {
+    $runner = new \App\Core\MigrationRunner($db, $migrationsDir);
+    $pending = $runner->listPendingMigrations();
+    $applied = $runner->listAppliedMigrations();
+} catch (Throwable $e) {
+    // show error in the page
+    $migration_error = $e->getMessage();
+}
+
+// CSRF token
+$csrf_token = $security->generateCsrfToken();
+
+// Get any new feedback messages
+include __DIR__ . '/../helpers/feedback.php';
+
+// Load the template
+include __DIR__ . '/../templates/admin-tools.php';

app/templates/admin-tools.php

@@ -0,0 +1,69 @@
+<?php
+/** @var bool $maintenance_enabled */
+/** @var string $maintenance_message */
+/** @var array $pending */
+/** @var array $applied */
+/** @var string $csrf_token */
+?>
+<div class="container mt-4">
+  <h2>Admin tools</h2>
+  <p class="text-muted">System maintenance and database utilities.</p>
+
+  <div class="row mt-4">
+    <div class="col-md-6 mb-4">
+      <div class="card">
+        <div class="card-header">Maintenance mode</div>
+        <div class="card-body">
+          <p>Status: <strong class="<?= $maintenance_enabled ? 'text-danger' : 'text-success' ?>">
+            <?= $maintenance_enabled ? 'Enabled' : 'Disabled' ?></strong></p>
+          <form method="post" class="mb-2">
+            <input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrf_token) ?>">
+            <input type="hidden" name="action" value="maintenance_on">
+            <div class="mb-2">
+              <label for="maintenance_message" class="form-label">Message (optional)</label>
+              <input type="text" id="maintenance_message" name="maintenance_message" class="form-control" value="<?= htmlspecialchars($maintenance_message) ?>" placeholder="Upgrading database">
+            </div>
+            <button type="submit" class="btn btn-warning" <?= $maintenance_enabled ? 'disabled' : '' ?>>Enable maintenance</button>
+          </form>
+          <form method="post">
+            <input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrf_token) ?>">
+            <input type="hidden" name="action" value="maintenance_off">
+            <button type="submit" class="btn btn-secondary" <?= $maintenance_enabled ? '' : 'disabled' ?>>Disable maintenance</button>
+          </form>
+        </div>
+      </div>
+    </div>
+
+    <div class="col-md-6 mb-4">
+      <div class="card">
+        <div class="card-header">Database migrations</div>
+        <div class="card-body">
+          <?php if (!empty($migration_error)): ?>
+            <div class="alert alert-danger">Error: <?= htmlspecialchars($migration_error) ?></div>
+          <?php endif; ?>
+          <p>
+            <strong>Pending (<?= count($pending) ?>):</strong>
+            <?php if (empty($pending)): ?>
+              <span class="text-success">None</span>
+            <?php else: ?>
+              <code><?= htmlspecialchars(implode(', ', $pending)) ?></code>
+            <?php endif; ?>
+          </p>
+          <p>
+            <strong>Applied (<?= count($applied) ?>):</strong>
+            <?php if (empty($applied)): ?>
+              <span class="text-muted">None</span>
+            <?php else: ?>
+              <code><?= htmlspecialchars(implode(', ', $applied)) ?></code>
+            <?php endif; ?>
+          </p>
+          <form method="post">
+            <input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrf_token) ?>">
+            <input type="hidden" name="action" value="migrate_up">
+            <button type="submit" class="btn btn-primary" <?= empty($pending) ? 'disabled' : '' ?>>Apply pending migrations</button>
+          </form>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>

app/templates/page-menu.php

@@ -69,8 +69,13 @@
                     </a>
                     <div class="dropdown-menu dropdown-menu-right">
                         <h6 class="dropdown-header">system</h6>
-<?php if ($userObject->hasRight($userId, 'superuser') ||
+<?php   if ($userObject->hasRight($userId, 'superuser')) {?>
-          $userObject->hasRight($userId, 'view config file')) {?>
+                        <a class="dropdown-item" href="<?= htmlspecialchars($app_root) ?>?page=admin-tools">
+                            <i class="fas fa-toolbox"></i>Admin tools
+                        </a>
+<?php   } ?>
+<?php   if ($userObject->hasRight($userId, 'superuser') ||
+            $userObject->hasRight($userId, 'view config file')) {?>
                         <a class="dropdown-item" href="<?= htmlspecialchars($app_root) ?>?page=config">
                             <i class="fas fa-wrench"></i>Configuration
                         </a>

public_html/index.php

@@ -146,6 +146,7 @@ $allowed_urls = [
     'graphs','latest','livejs','agents',
     'profile','credentials','config','security',
     'settings','theme','theme-asset',
+    'admin-tools',
     'status',
     'help','about',
     'login','logout',