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<?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\Transport; use Symfony\Component\Mailer\Envelope; use Symfony\Component\Mailer\Exception\InvalidArgumentException; use Symfony\Component\Mailer\Exception\LogicException; use Symfony\Component\Mailer\SentMessage; use Symfony\Component\Mime\Message; use Symfony\Component\Mime\RawMessage; /** * @author Fabien Potencier <fabien@symfony.com> */ final class Transports implements TransportInterface { /** * @var array<string, TransportInterface> */ private array $transports = []; private TransportInterface $default; /** * @param iterable<string, TransportInterface> $transports */ public function __construct(iterable $transports) { foreach ($transports as $name => $transport) { $this->default ??= $transport; $this->transports[$name] = $transport; } if (!$this->transports) { throw new LogicException(sprintf('"%s" must have at least one transport configured.', __CLASS__)); } } public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage { /** @var Message $message */ if (RawMessage::class === $message::class || !$message->getHeaders()->has('X-Transport')) { return $this->default->send($message, $envelope); } $headers = $message->getHeaders(); $transport = $headers->get('X-Transport')->getBody(); $headers->remove('X-Transport'); if (!isset($this->transports[$transport])) { throw new InvalidArgumentException(sprintf('The "%s" transport does not exist (available transports: "%s").', $transport, implode('", "', array_keys($this->transports)))); } try { return $this->transports[$transport]->send($message, $envelope); } catch (\Throwable $e) { $headers->addTextHeader('X-Transport', $transport); throw $e; } } public function __toString(): string { return '['.implode(',', array_keys($this->transports)).']'; } }