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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;
use Symfony\Component\Mailer\Exception\LogicException;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\Header\Headers;
use Symfony\Component\Mime\Message;
/**
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
final class DelayedEnvelope extends Envelope
{
private bool $senderSet = false;
private bool $recipientsSet = false;
private Message $message;
public function __construct(Message $message)
{
$this->message = $message;
}
public function setSender(Address $sender): void
{
parent::setSender($sender);
$this->senderSet = true;
}
public function getSender(): Address
{
if (!$this->senderSet) {
parent::setSender(self::getSenderFromHeaders($this->message->getHeaders()));
}
return parent::getSender();
}
public function setRecipients(array $recipients): void
{
parent::setRecipients($recipients);
$this->recipientsSet = (bool) parent::getRecipients();
}
/**
* @return Address[]
*/
public function getRecipients(): array
{
if ($this->recipientsSet) {
return parent::getRecipients();
}
return self::getRecipientsFromHeaders($this->message->getHeaders());
}
private static function getRecipientsFromHeaders(Headers $headers): array
{
$recipients = [];
foreach (['to', 'cc', 'bcc'] as $name) {
foreach ($headers->all($name) as $header) {
foreach ($header->getAddresses() as $address) {
$recipients[] = $address;
}
}
}
return $recipients;
}
private static function getSenderFromHeaders(Headers $headers): Address
{
if ($sender = $headers->get('Sender')) {
return $sender->getAddress();
}
if ($return = $headers->get('Return-Path')) {
return $return->getAddress();
}
if ($from = $headers->get('From')) {
return $from->getAddresses()[0];
}
throw new LogicException('Unable to determine the sender of the message.');
}
}
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