File size: 1,282 Bytes
d2897cd
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
<?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);
            }
        }
    }
}