redirect-spam

#!/usr/bin/php
<?php 

/*
* @author Johannes Cram <johannes@jonesmedia.de>
*/

function includeIfExists($file) {
    if (file_exists($file)) {
        return include_once $file;
    }
}

//check if dependencies are set up
if ((!$loader = includeIfExists(__DIR__.'/../vendor/autoload.php')) && (!$loader = includeIfExists(__DIR__.'/../../../autoload.php'))) {
	echo PHP_EOL.
	"// You have to install the project dependencies via composer!\n\n".
	die();
}

use SSilence\ImapClient\ImapClientException;
use SSilence\ImapClient\ImapConnect;
use SSilence\ImapClient\ImapClient as Imap;

/*
* Set variables
*/

$imapHost = 'imap-mail.outlook.com';
$imapPort = 993;
$imapEnc = 'tls';

$smtpHost = 'smtp-mail.outlook.com';
$smtpPort = 587;
$smtpEnc = 'tls';

//show help
if($argc != 4 || in_array($argv[1], array('--help', '-help', '-h', '-?'))) {
	echo PHP_EOL."// CLI Tool to redirect emails from an outlook.com spam folder to another email address.\n";
	echo PHP_EOL."// Usage: 'php bin/redirect-spam <authEmail> <authPassword> <sendToEmail>'\n\n";
	die();
}

$authEmail = $argv[1];
$authPass = $argv[2];
$sendTo = [ $argv[3] ];

//Construct Imap Client and check login data
try {
	if($imapEnc == 'tls') {
		$enc = Imap::ENCRYPT_TLS;
	}
	else {
		$enc = null;
	}
	$imap = new Imap($imapHost,$authEmail,$authPass,$enc);
}
catch(ImapClientException $error) {
	echo $error->getInfo().PHP_EOL;
	die();
}

// select folder Junk
$imap->selectFolder('Junk');

// count messages in current folder
$intAll = $imap->countMessages();

if($intAll > 0) {
	//fetch all messages in the spam folder
	$emails = $imap->getMessages(true);

	//initialize Swiftmailer
	$transport = (new Swift_SmtpTransport($smtpHost,$smtpPort,$smtpEnc))
		->setUsername($authEmail)
		->setPassword($authPass);
	$mailer = new Swift_Mailer($transport);

	$arrCounter = 0;
	$failures = [];
	$successes = 0;
	foreach($emails as $id => $email) {
		//get data
		$fromAddress = $email->header->details->from[0]->mailbox.'@'.$email->header->details->from[0]->host;
		$fromName = $email->header->from;
		$subject = '[FROM SPAM] '.$email->header->subject;
		$isHtml = $email->message->html->structure->subtype == 'HTML';
		if($isHtml) {
			$htmlBody = $email->message->html->body;
		}
		$plainBody = $email->message->plain->body;

		//prepare message
		$message = (new Swift_Message($subject))
			->setReplyTo([$fromAddress => $fromName])
			->setFrom([ $authEmail => $fromName ])
			->setTo($sendTo);
		if($isHtml) {
			$message->setBody($htmlBody,'text/html')
					->addPart($plainBody,'text/plain');
		}
		else {
			$message->setBody($plainBody,'text/plain');
		}
		
		//send message
		$arrCounter++;
		$result = $mailer->send($message,$failure);
		if(!$result) {
			$failures[] = $failure;
		}
		else {
			$successes += $result;
		}

		//move message to inbox
		$imap->moveMessage($email->header->uid,'Inbox');
	}
	if($failures) {
		echo PHP_EOL."Failures: \n\n";
		print_r($failures,true);
		echo "\n\n";
	}
	if($successes) {
		echo PHP_EOL."Mails successfully sent: ".$successes."\n\n";
	}
}
else {
	echo PHP_EOL."Nothing to do.\n\n";
}

?>