vendor/symfony/mailer/EventListener/EnvelopeListener.php line 43

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <[email protected]>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\Mailer\EventListener;
  14. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  15. use Symfony\Component\Mailer\Event\MessageEvent;
  16. use Symfony\Component\Mime\Address;
  17. use Symfony\Component\Mime\Message;
  19. /**
  20.  * Manipulates the Envelope of a Message.
  21.  *
  22.  * @author Fabien Potencier <[email protected]>
  23.  */
  24. class EnvelopeListener implements EventSubscriberInterface
  25. {
  26.     private $sender;
  27.     private $recipients;
  29.     /**
  30.      * @param Address|string     $sender
  31.      * @param (Address|string)[] $recipients
  32.      */
  33.     public function __construct($sender = null, array $recipients = null)
  34.     {
  35.         if (null !== $sender) {
  36.             $this->sender = Address::create($sender);
  37.         }
  38.         if (null !== $recipients) {
  39.             $this->recipients = Address::createArray($recipients);
  40.         }
  41.     }
  43.     public function onMessage(MessageEvent $event): void
  44.     {
  45.         if ($this->sender) {
  46.             $event->getEnvelope()->setSender($this->sender);
  48.             $message = $event->getMessage();
  49.             if ($message instanceof Message) {
  50.                 if (!$message->getHeaders()->has('Sender') && !$message->getHeaders()->has('From')) {
  51.                     $message->getHeaders()->addMailboxHeader('Sender', $this->sender->getAddress());
  52.                 }
  53.             }
  54.         }
  56.         if ($this->recipients) {
  57.             $event->getEnvelope()->setRecipients($this->recipients);
  58.         }
  59.     }
  61.     public static function getSubscribedEvents()
  62.     {
  63.         return [
  64.             // should be the last one to allow header changes by other listeners first
  65.             MessageEvent::class => ['onMessage', -255],
  66.         ];
  67.     }
  68. }