Skip to content

Instantly share code, notes, and snippets.

@rabellamy
Created August 18, 2013 12:07
Show Gist options
  • Save rabellamy/6261327 to your computer and use it in GitHub Desktop.
Save rabellamy/6261327 to your computer and use it in GitHub Desktop.
<?php
/**
* @file
* Contains \Drupal\aggregator_test\Controller\AggregatorTestRssController.
*/
namespace Drupal\aggregator_test\Controller;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Component\Utility\Crypt;
use Drupal\Core\Controller\ControllerInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
class AggregatorTestRssController implements ControllerInterface {
public static function create(ContainerInterface $container) {
return new static();
}
/**
* Generates a test feed and simulates last-modified and etags.
*
* @param $use_last_modified
* Set TRUE to send a last modified header.
* @param $use_etag
* Set TRUE to send an etag.
*/
public function feed($use_last_modified = FALSE, $use_etag = FALSE, Request $request) {
$last_modified = strtotime('Sun, 19 Nov 1978 05:00:00 GMT');
$etag = Crypt::hashBase64($last_modified);
$if_modified_since = strtotime($request->server->get('HTTP_IF_MODIFIED_SINCE'));
$if_none_match = stripslashes($request->server->get('HTTP_IF_NONE_MATCH'));
$response = new Response();
$response->setPublic();
// Send appropriate response. We respond with a 304 not modified on either
// etag or on last modified.
if ($use_last_modified) {
$response->setLastModified(gmdate(DATE_RFC1123, $last_modified));
}
if ($use_etag) {
$response->setEtag($etag);
}
// Return 304 not modified if either last modified or etag match.
if ($last_modified == $if_modified_since || $etag == $if_none_match) {
$response->setStatusCode(304);
return;
}
// The following headers force validation of cache:
$response->setExpires('Sun, 19 Nov 1978 05:00:00 GMT');
$response->headers->addCacheControlDirective('must-revalidate', true);
$response->setCharset('application/rss+xml');
// Read actual feed from file.
$file_name = drupal_get_path('module', 'aggregator_test') . '/aggregator_test_rss091.xml';
$handle = fopen($file_name, 'r');
$feed = fread($handle, filesize($file_name));
fclose($handle);
$response->setContent($feed);
$response->headers->set('Content-Type', 'text/html');
return $response;
}
public function redirect() {
return new RedirectResponse(url('aggregator/test-feed', array('absolute' => TRUE)), 301);
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment