/**
* Retries a POST request.
*
* @param \Drupal\feeds\SubscriptionInterface $subscription
* The subscription.
* @param array $body
* The POST body.
* @param int $retries
* (optional) The number of retries. Defaults to 3.
*
* @return \GuzzleHttp\Message\Response
* The Guzzle response.
*/
protected static function retry(SubscriptionInterface $subscription, array $body, $retries = 3)
{
$tries = 0;
do {
$tries++;
try {
return \Drupal::httpClient()->post($subscription->getHub(), ['body' => $body]);
} catch (RequestException $e) {
\Drupal::logger('feeds')->warning('Subscription error: %error', ['%error' => $e->getMessage()]);
}
} while ($tries <= $retries);
}
/**
* 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);
}
