Current File : /home2/selectio/www/limpiar.in.net/install/vendor/symfony/mailer/EventListener/MessageListener.php
<?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\Mailer\Exception\InvalidArgumentException;
use Symfony\Component\Mailer\Exception\RuntimeException;
use Symfony\Component\Mime\BodyRendererInterface;
use Symfony\Component\Mime\Header\Headers;
use Symfony\Component\Mime\Header\MailboxListHeader;
use Symfony\Component\Mime\Message;
/**
* Manipulates the headers and the body of a Message.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class MessageListener implements EventSubscriberInterface
{
public const HEADER_SET_IF_EMPTY = 1;
public const HEADER_ADD = 2;
public const HEADER_REPLACE = 3;
public const DEFAULT_RULES = [
'from' => self::HEADER_SET_IF_EMPTY,
'return-path' => self::HEADER_SET_IF_EMPTY,
'reply-to' => self::HEADER_ADD,
'to' => self::HEADER_SET_IF_EMPTY,
'cc' => self::HEADER_ADD,
'bcc' => self::HEADER_ADD,
];
private $headers;
private array $headerRules = [];
private $renderer;
public function __construct(Headers $headers = null, BodyRendererInterface $renderer = null, array $headerRules = self::DEFAULT_RULES)
{
$this->headers = $headers;
$this->renderer = $renderer;
foreach ($headerRules as $headerName => $rule) {
$this->addHeaderRule($headerName, $rule);
}
}
public function addHeaderRule(string $headerName, int $rule): void
{
if ($rule < 1 || $rule > 3) {
throw new InvalidArgumentException(sprintf('The "%d" rule is not supported.', $rule));
}
$this->headerRules[strtolower($headerName)] = $rule;
}
public function onMessage(MessageEvent $event): void
{
$message = $event->getMessage();
if (!$message instanceof Message) {
return;
}
$this->setHeaders($message);
$this->renderMessage($message);
}
private function setHeaders(Message $message): void
{
if (!$this->headers) {
return;
}
$headers = $message->getHeaders();
foreach ($this->headers->all() as $name => $header) {
if (!$headers->has($name)) {
$headers->add($header);
continue;
}
switch ($this->headerRules[$name] ?? self::HEADER_SET_IF_EMPTY) {
case self::HEADER_SET_IF_EMPTY:
break;
case self::HEADER_REPLACE:
$headers->remove($name);
$headers->add($header);
break;
case self::HEADER_ADD:
if (!Headers::isUniqueHeader($name)) {
$headers->add($header);
break;
}
$h = $headers->get($name);
if (!$h instanceof MailboxListHeader) {
throw new RuntimeException(sprintf('Unable to set header "%s".', $name));
}
Headers::checkHeaderClass($header);
foreach ($header->getAddresses() as $address) {
$h->addAddress($address);
}
}
}
}
private function renderMessage(Message $message): void
{
if (!$this->renderer) {
return;
}
$this->renderer->render($message);
}
public static function getSubscribedEvents(): array
{
return [
MessageEvent::class => 'onMessage',
];
}
}
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