getVolatile() public method

public getVolatile ( $name )
Example #1
0
 /**
  * Handle a request for a file
  *
  * @param Request $request HTTP request
  * @return Response
  */
 public function getResponse(Request $request)
 {
     $response = new Response();
     $response->prepare($request);
     $path = implode('/', $request->getUrlSegments());
     if (!preg_match('~serve-file/e(\\d+)/l(\\d+)/d([ia])/c([01])/([a-zA-Z0-9\\-_]+)/(.*)$~', $path, $m)) {
         return $response->setStatusCode(400)->setContent('Malformatted request URL');
     }
     list(, $expires, $last_updated, $disposition, $use_cookie, $mac, $path_from_dataroot) = $m;
     if ($expires && $expires < time()) {
         return $response->setStatusCode(403)->setContent('URL has expired');
     }
     $hmac_data = array('expires' => (int) $expires, 'last_updated' => (int) $last_updated, 'disposition' => $disposition, 'path' => $path_from_dataroot, 'use_cookie' => (int) $use_cookie);
     if ((bool) $use_cookie) {
         $hmac_data['cookie'] = $this->getCookieValue($request);
     }
     ksort($hmac_data);
     $hmac = $this->crypto->getHmac($hmac_data);
     if (!$hmac->matchesToken($mac)) {
         return $response->setStatusCode(403)->setContent('HMAC mistmatch');
     }
     $dataroot = $this->config->getDataPath();
     $filenameonfilestore = "{$dataroot}{$path_from_dataroot}";
     if (!is_readable($filenameonfilestore)) {
         return $response->setStatusCode(404)->setContent('File not found');
     }
     $actual_last_updated = filemtime($filenameonfilestore);
     if ($actual_last_updated != $last_updated) {
         return $response->setStatusCode(403)->setContent('URL has expired');
     }
     $if_none_match = $request->headers->get('if_none_match');
     if (!empty($if_none_match)) {
         // strip mod_deflate suffixes
         $request->headers->set('if_none_match', str_replace('-gzip', '', $if_none_match));
     }
     $etag = '"' . $actual_last_updated . '"';
     $response->setPublic()->setEtag($etag);
     if ($response->isNotModified($request)) {
         return $response;
     }
     $public = $use_cookie ? false : true;
     $content_disposition = $disposition == 'i' ? 'inline' : 'attachment';
     $headers = ['Content-Type' => (new MimeTypeDetector())->getType($filenameonfilestore)];
     $response = new BinaryFileResponse($filenameonfilestore, 200, $headers, $public, $content_disposition);
     $sendfile_type = $this->config->getVolatile('X-Sendfile-Type');
     if ($sendfile_type) {
         $request->headers->set('X-Sendfile-Type', $sendfile_type);
         $mapping = (string) $this->config->getVolatile('X-Accel-Mapping');
         $request->headers->set('X-Accel-Mapping', $mapping);
         $response->trustXSendfileTypeHeader();
     }
     $response->prepare($request);
     if (empty($expires)) {
         $expires = strtotime('+1 year');
     }
     $expires_dt = (new DateTime())->setTimestamp($expires);
     $response->setExpires($expires_dt);
     $response->setEtag($etag);
     return $response;
 }
Example #2
0
 /**
  * Build an unprepared menu.
  *
  * @param string $name   Menu name
  * @param array  $params Hook/view parameters
  *
  * @return UnpreparedMenu
  */
 public function getUnpreparedMenu($name, array $params = [])
 {
     $menus = $this->config->getVolatile('menus');
     $items = $this->prepareMenuItems(elgg_extract('items', $params, []));
     unset($params['items']);
     if ($menus && isset($menus[$name])) {
         $registered_items = elgg_extract($name, $menus, []);
         $items = array_merge($items, $registered_items);
     }
     $params['name'] = $name;
     $params = $this->hooks->trigger('parameters', "menu:{$name}", $params, $params);
     if (!isset($params['sort_by'])) {
         $params['sort_by'] = 'priority';
     }
     $items = $this->hooks->trigger('register', "menu:{$name}", $params, $items);
     return new UnpreparedMenu($params, $items);
 }
Example #3
0
 /**
  * Initializes the simplecache lastcache variable and creates system cache files
  * when appropriate.
  *
  * @access private
  */
 function init()
 {
     if (!$this->isEnabled()) {
         return;
     }
     // cache system data if enabled and not loaded
     if (!$this->config->getVolatile('system_cache_loaded')) {
         $this->save('view_types', serialize($GLOBALS['_ELGG']->view_types));
         _elgg_services()->views->cacheConfiguration($this);
     }
     if (!$GLOBALS['_ELGG']->i18n_loaded_from_cache) {
         _elgg_services()->translator->reloadAllTranslations();
         foreach ($GLOBALS['_ELGG']->translations as $lang => $map) {
             $this->save("{$lang}.lang", serialize($map));
         }
     }
 }