Move into nested docroot

web/core/rebuild.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * @file
+ * Rebuilds all Drupal caches even when Drupal itself does not work.
+ *
+ * Needs a token query argument which can be calculated using the
+ * scripts/rebuild_token_calculator.sh script.
+ *
+ * @see drupal_rebuild()
+ */
+
+use Drupal\Component\Utility\Crypt;
+use Drupal\Core\DrupalKernel;
+use Drupal\Core\Site\Settings;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+// Change the directory to the Drupal root.
+chdir('..');
+
+$autoloader = require_once __DIR__ . '/../autoload.php';
+require_once __DIR__ . '/includes/utility.inc';
+
+$request = Request::createFromGlobals();
+// Manually resemble early bootstrap of DrupalKernel::boot().
+require_once __DIR__ . '/includes/bootstrap.inc';
+DrupalKernel::bootEnvironment();
+
+try {
+  Settings::initialize(dirname(__DIR__), DrupalKernel::findSitePath($request), $autoloader);
+}
+catch (HttpExceptionInterface $e) {
+  $response = new Response('', $e->getStatusCode());
+  $response->prepare($request)->send();
+  exit;
+}
+
+if (Settings::get('rebuild_access', FALSE) ||
+  ($request->query->get('token') && $request->query->get('timestamp') &&
+    ((REQUEST_TIME - $request->query->get('timestamp')) < 300) &&
+    Crypt::hashEquals(Crypt::hmacBase64($request->query->get('timestamp'), Settings::get('hash_salt')), $request->query->get('token'))
+  )) {
+  // Clear the APCu cache to ensure APCu class loader is reset.
+  if (function_exists('apcu_clear_cache')) {
+    apcu_clear_cache();
+  }
+  drupal_rebuild($autoloader, $request);
+  drupal_set_message('Cache rebuild complete.');
+}
+$base_path = dirname(dirname($request->getBaseUrl()));
+header('Location: ' . $base_path);