Test project for media files management.
<?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>
* @author Grégoire Pineau <lyrixx@lyrixx.info>
*/
class EnvelopeListener implements EventSubscriberInterface
{
private ?Address $sender = null;
/**
* @var Address[]|null
*/
private ?array $recipients = null;
/**
* @param array<Address|string> $recipients
* @param string[] $allowedRecipients An array of regex to match the allowed recipients
*/
public function __construct(
Address|string|null $sender = null,
?array $recipients = null,
private array $allowedRecipients = [],
) {
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) {
$recipients = $this->recipients;
if ($this->allowedRecipients) {
foreach ($event->getEnvelope()->getRecipients() as $recipient) {
foreach ($this->allowedRecipients as $allowedRecipient) {
if (!preg_match('{\A'.$allowedRecipient.'\z}', $recipient->getAddress())) {
continue;
}
// dedup
foreach ($recipients as $r) {
if ($r->getName() === $recipient->getName() && $r->getAddress() === $recipient->getAddress()) {
continue 2;
}
}
$recipients[] = $recipient;
continue 2;
}
}
}
$event->getEnvelope()->setRecipients($recipients);
}
}
public static function getSubscribedEvents(): array
{
return [
// should be the last one to allow header changes by other listeners first
MessageEvent::class => ['onMessage', -255],
];
}
}