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<?php
namespace Mautic\EmailBundle\MonitoredEmail\Processor\FeedbackLoop;
use Mautic\EmailBundle\MonitoredEmail\Exception\FeedbackLoopNotFound;
use Mautic\EmailBundle\MonitoredEmail\Message;
use Mautic\EmailBundle\MonitoredEmail\Processor\Address;
class Parser
{
public function __construct(
private Message $message
) {
}
/**
* @return string|null
*
* @throws FeedbackLoopNotFound
*/
public function parse()
{
if (null === $this->message->fblReport) {
throw new FeedbackLoopNotFound();
}
if ($email = $this->searchMessage('Original-Rcpt-To: (.*)', $this->message->fblReport)) {
return $email;
}
if ($email = $this->searchMessage('Received:.*for (.*);.*?', $this->message->textPlain)) {
return $email;
}
throw new FeedbackLoopNotFound();
}
/**
* @param string $content
* @param string $pattern
*
* @return string|null
*/
protected function searchMessage($pattern, $content)
{
if (preg_match('/'.$pattern.'/i', $content, $match)) {
if ($parsedAddressList = Address::parseList($match[1])) {
return key($parsedAddressList);
}
}
}
}
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