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