116 lines
3.7 KiB
PHP
116 lines
3.7 KiB
PHP
<?php
|
|
/*
|
|
+--------------------------------------------------------------------+
|
|
| CiviCRM version 4.7 |
|
|
+--------------------------------------------------------------------+
|
|
| Copyright CiviCRM LLC (c) 2004-2017 |
|
|
+--------------------------------------------------------------------+
|
|
| This file is a part of CiviCRM. |
|
|
| |
|
|
| CiviCRM is free software; you can copy, modify, and distribute it |
|
|
| under the terms of the GNU Affero General Public License |
|
|
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
|
|
| |
|
|
| CiviCRM is distributed in the hope that it will be useful, but |
|
|
| WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
|
|
| See the GNU Affero General Public License for more details. |
|
|
| |
|
|
| You should have received a copy of the GNU Affero General Public |
|
|
| License and the CiviCRM Licensing Exception along |
|
|
| with this program; if not, contact CiviCRM LLC |
|
|
| at info[AT]civicrm[DOT]org. If you have questions about the |
|
|
| GNU Affero General Public License or the licensing of CiviCRM, |
|
|
| see the CiviCRM license FAQ at http://civicrm.org/licensing |
|
|
+--------------------------------------------------------------------+
|
|
*/
|
|
|
|
/**
|
|
* Class to handle encoding and decoding Variable Enveleope Return Path (VERP)
|
|
* headers.
|
|
*
|
|
* @package CRM
|
|
* @copyright CiviCRM LLC (c) 2004-2017
|
|
*/
|
|
class CRM_Utils_Verp {
|
|
/* Mapping of reserved characters to hex codes */
|
|
|
|
static $encodeMap = array(
|
|
'+' => '2B',
|
|
'@' => '40',
|
|
':' => '3A',
|
|
'%' => '25',
|
|
'!' => '21',
|
|
'-' => '2D',
|
|
'[' => '5B',
|
|
']' => '5D',
|
|
);
|
|
|
|
/* Mapping of hex codes to reserved characters */
|
|
|
|
static $decodeMap = array(
|
|
'40' => '@',
|
|
'3A' => ':',
|
|
'25' => '%',
|
|
'21' => '!',
|
|
'2D' => '-',
|
|
'5B' => '[',
|
|
'5D' => ']',
|
|
'2B' => '+',
|
|
);
|
|
|
|
/**
|
|
* Encode the sender's address with the VERPed recipient.
|
|
*
|
|
* @param string $sender
|
|
* The address of the sender.
|
|
* @param string $recipient
|
|
* The address of the recipient.
|
|
*
|
|
* @return string
|
|
* The VERP encoded address
|
|
*/
|
|
public static function encode($sender, $recipient) {
|
|
preg_match('/(.+)\@([^\@]+)$/', $sender, $match);
|
|
$slocal = $match[1];
|
|
$sdomain = $match[2];
|
|
|
|
preg_match('/(.+)\@([^\@]+)$/', $recipient, $match);
|
|
$rlocal = CRM_Utils_Array::value(1, $match);
|
|
$rdomain = CRM_Utils_Array::value(2, $match);
|
|
|
|
foreach (self::$encodeMap as $char => $code) {
|
|
$rlocal = preg_replace('/' . preg_quote($char) . '/i', "+$code", $rlocal);
|
|
$rdomain = preg_replace('/' . preg_quote($char) . '/i', "+$code", $rdomain);
|
|
}
|
|
|
|
return "$slocal-$rlocal=$rdomain@$sdomain";
|
|
}
|
|
|
|
/**
|
|
* Decode the address and return the sender and recipient as an array.
|
|
*
|
|
* @param string $address
|
|
* The address to be decoded.
|
|
*
|
|
* @return array
|
|
* The tuple ($sender, $recipient)
|
|
*/
|
|
public static function &verpdecode($address) {
|
|
preg_match('/^(.+)-([^=]+)=([^\@]+)\@(.+)/', $address, $match);
|
|
|
|
$slocal = $match[1];
|
|
$rlocal = $match[2];
|
|
$rdomain = $match[3];
|
|
$sdomain = $match[4];
|
|
|
|
foreach (self::$decodeMap as $code => $char) {
|
|
$rlocal = preg_replace("/+$code/i", $char, $rlocal);
|
|
$rdomain = preg_replace("/+$code/i", $char, $rdomain);
|
|
}
|
|
|
|
return array("$slocal@$sdomain", "$rlocal@$rdomain");
|
|
}
|
|
|
|
}
|