Commit de067341 authored by webchick's avatar webchick
Browse files

Issue #1987598 by disasm, mparker17, Niklas Fiekas, rabellamy | vijaycs85:...

Issue #1987598 by disasm, mparker17, Niklas Fiekas, rabellamy | vijaycs85: Convert aggregator_test_feed() and aggregator_test_redirect() to a new style controller.
parent 29f50ae3
<?php
use Drupal\Component\Utility\Crypt;
use Symfony\Component\HttpFoundation\RedirectResponse;
/**
* Implements hook_menu().
*/
function aggregator_test_menu() {
$items['aggregator/test-feed'] = array(
'title' => 'Test feed static last modified date',
'description' => "A cached test feed with a static last modified date.",
'page callback' => 'aggregator_test_feed',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
$items['aggregator/redirect'] = array(
'title' => 'Test feed with a redirect',
'description' => "A feed that redirects to another one",
'page callback' => 'aggregator_test_redirect',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Page callback. Generates a test feed and simulates last-modified and etags.
*
* @param $use_last_modified
* Set TRUE to send a last modified header.
* @param $use_etag
* Set TRUE to send an etag.
*/
function aggregator_test_feed($use_last_modified = FALSE, $use_etag = FALSE) {
$last_modified = strtotime('Sun, 19 Nov 1978 05:00:00 GMT');
$etag = Crypt::hashBase64($last_modified);
$if_modified_since = strtotime(Drupal::request()->server->get('HTTP_IF_MODIFIED_SINCE'));
$if_none_match = stripslashes(Drupal::request()->server->get('HTTP_IF_NONE_MATCH'));
// Send appropriate response. We respond with a 304 not modified on either
// etag or on last modified.
if ($use_last_modified) {
drupal_add_http_header('Last-Modified', gmdate(DATE_RFC1123, $last_modified));
}
if ($use_etag) {
drupal_add_http_header('ETag', $etag);
}
// Return 304 not modified if either last modified or etag match.
if ($last_modified == $if_modified_since || $etag == $if_none_match) {
drupal_add_http_header('Status', '304 Not Modified');
return;
}
// The following headers force validation of cache:
drupal_add_http_header('Expires', 'Sun, 19 Nov 1978 05:00:00 GMT');
drupal_add_http_header('Cache-Control', 'must-revalidate');
drupal_add_http_header('Content-Type', 'application/rss+xml; charset=utf-8');
// Read actual feed from file.
$file_name = __DIR__ . '/aggregator_test_rss091.xml';
$handle = fopen($file_name, 'r');
$feed = fread($handle, filesize($file_name));
fclose($handle);
print $feed;
}
/**
* Page callback that redirects to another feed.
*/
function aggregator_test_redirect() {
return new RedirectResponse(url('aggregator/test-feed', array('absolute' => TRUE)), 301);
}
aggregator_test_feed:
pattern: '/aggregator/test-feed/{use_last_modified}/{use_etag}'
defaults:
_controller: '\Drupal\aggregator_test\Controller\AggregatorTestRssController::testFeed'
_title: 'Test feed static last modified date'
use_last_modified: FALSE
use_etag: FALSE
requirements:
_permission: 'access content'
aggregator_redirect:
pattern: '/aggregator/redirect'
defaults:
_controller: '\Drupal\aggregator_test\Controller\AggregatorTestRssController::testRedirect'
_title: 'Test feed with a redirect'
requirements:
_permission: 'access content'
<?php
/**
* @file
* Contains \Drupal\aggregator_test\Controller\AggregatorTestRssController.
*/
namespace Drupal\aggregator_test\Controller;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Component\Utility\Crypt;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Request;
/**
* Controller for the aggregator_test module.
*/
class AggregatorTestRssController extends ControllerBase {
/**
* 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.
* @param Request $request
* Information about the current HTTP request.
*
* @return \Symfony\Component\HttpFoundation\Response
* A feed that forces cache validation.
*/
public function testFeed($use_last_modified, $use_etag, Request $request) {
$response = new Response();
$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'));
// Send appropriate response. We respond with a 304 not modified on either
// etag or on last modified.
if ($use_last_modified) {
$response->headers->set('Last-Modified', gmdate(DATE_RFC1123, $last_modified));
}
if ($use_etag) {
$response->headers->set('ETag', $etag);
}
// Return 304 not modified if either last modified or etag match.
if ($last_modified == $if_modified_since || $etag == $if_none_match) {
$response->setStatusCode(304);
return $response;
}
// The following headers force validation of cache.
$response->headers->set('Expires', 'Sun, 19 Nov 1978 05:00:00 GMT');
$response->headers->set('Cache-Control', 'must-revalidate');
$response->headers->set('Content-Type', 'application/rss+xml; charset=utf-8');
// 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);
return $response;
}
/**
* Generates a rest redirect to the test feed.
*
* @return \Symfony\Component\HttpFoundation\RedirectResponse
* A response that redirects users to the test feed.
*/
public function testRedirect() {
return $this->redirect('aggregator_test_feed', array(), 301);
}
}
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