<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mailer\EventListener;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Mailer\Event\MessageEvent;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\Message;
/**
* Manipulates the Envelope of a Message.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class EnvelopeListener implements EventSubscriberInterface
{
private $sender = null;
/**
* @var Address[]|null
*/
private ?array $recipients = null;
/**
* @param array<Address|string> $recipients
*/
public function __construct(Address|string $sender = null, array $recipients = null)
{
if (null !== $sender) {
$this->sender = Address::create($sender);
}
if (null !== $recipients) {
$this->recipients = Address::createArray($recipients);
}
}
public function onMessage(MessageEvent $event): void
{
if ($this->sender) {
$event->getEnvelope()->setSender($this->sender);
$message = $event->getMessage();
if ($message instanceof Message) {
if (!$message->getHeaders()->has('Sender') && !$message->getHeaders()->has('From')) {
$message->getHeaders()->addMailboxHeader('Sender', $this->sender);
}
}
}
if ($this->recipients) {
$event->getEnvelope()->setRecipients($this->recipients);
}
}
public static function getSubscribedEvents(): array
{
return [
// should be the last one to allow header changes by other listeners first
MessageEvent::class => ['onMessage', -255],
];
}
}