public static function runSubscribeBatch(SubscriptionInterface $subscription)
{
switch ($subscription->getState()) {
case 'subscribing':
$mode = 'subscribe';
break;
case 'unsubscribing':
$mode = 'unsubscribe';
// The subscription has been deleted, store it for a bit to handle the
// response.
$id = $subscription->getToken() . ':' . $subscription->id();
\Drupal::keyValueExpirable('feeds_push_unsubscribe')->setWithExpire($id, $subscription, 3600);
break;
default:
throw new \LogicException('A subscription was found in an invalid state.');
}
$args = ['feeds_subscription_id' => $subscription->id(), 'feeds_push_token' => $subscription->getToken()];
$callback = \Drupal::url('entity.feeds_feed.subscribe', $args, ['absolute' => TRUE]);
$post_body = ['hub.callback' => $callback, 'hub.mode' => $mode, 'hub.topic' => $subscription->getTopic(), 'hub.secret' => $subscription->getSecret()];
$response = static::retry($subscription, $post_body);
// Response failed.
if (!$response || $response->getStatusCode() != 202) {
switch ($subscription->getState()) {
case 'subscribing':
// Deleting the subscription will make it re-subscribe on the next
// import.
$subscription->delete();
break;
case 'unsubscribing':
// Unsubscribe failed. The hub should give up eventually.
break;
}
}
}
/**
* Receives a notification.
*
* @param \Drupal\feeds\SubscriptionInterface $feeds_subscription
* The subscription entity.
* @param string $feeds_push_token
* The subscription token.
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object.
*
* @return Symfony\Component\HttpFoundation\Response
* The response object.
*
* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
* Thrown if anything seems amiss.
*/
public function receive(SubscriptionInterface $feeds_subscription, $feeds_push_token, Request $request)
{
if ($feeds_subscription->getToken() !== $feeds_push_token) {
throw new NotFoundHttpException();
}
// X-Hub-Signature is in the format sha1=signature.
parse_str($request->headers->get('X-Hub-Signature'), $result);
if (empty($result['sha1']) || !$feeds_subscription->checkSignature($result['sha1'], $request->getContent())) {
throw new NotFoundHttpException();
}
$feed = $this->entityManager()->getStorage('feeds_feed')->load($feeds_subscription->id());
try {
$feed->pushImport($request->getContent());
} catch (\Exception $e) {
return new Response('', 500);
}
return new Response('', 200);
}
