Current Path : C:/xampp/htdocs/moodle/lib/horde/framework/Horde/Mail/Rfc822/ |
Current File : C:/xampp/htdocs/moodle/lib/horde/framework/Horde/Mail/Rfc822/Identification.php |
<?php /** * Copyright 2012-2017 Horde LLC (http://www.horde.org/) * * See the enclosed file LICENSE for license information (BSD). If you * did not receive this file, see http://www.horde.org/licenses/bsd. * * @category Horde * @copyright 2012-2017 Horde LLC * @license http://www.horde.org/licenses/bsd New BSD License * @package Mail */ /** * Class to parse identification headers (RFC 5322 [3.6.4]): Message-ID, * References, and In-Reply-To. * * @author Michael Slusarz <slusarz@horde.org> * @category Horde * @copyright 2012-2017 Horde LLC * @license http://www.horde.org/licenses/bsd New BSD License * @package Mail * @since 2.2.0 */ class Horde_Mail_Rfc822_Identification extends Horde_Mail_Rfc822 { /** * List of message IDs parsed. * * @var array */ public $ids = array(); /** * Constructor. * * @param string $value Identification field value to parse. */ public function __construct($value = null) { $this->parse($value); } /** * Parse an identification header. * * @param string $value Identification field value to parse. */ public function parse($value) { if (!strlen($value)) { return; } $this->_data = $value; $this->_datalen = strlen($value); $this->_params['validate'] = true; $this->_ptr = 0; $this->_rfc822SkipLwsp(); while ($this->_curr() !== false) { try { $this->ids[] = $this->_parseMessageId(); } catch (Horde_Mail_Exception $e) { break; } // Some mailers incorrectly insert commas between reference items if ($this->_curr() == ',') { $this->_rfc822SkipLwsp(true); } } } /** * Message IDs are defined in RFC 5322 [3.6.4]. In short, they can only * contain one '@' character. However, Outlook can produce invalid * Message-IDs containing multiple '@' characters, which will fail the * strict RFC checks. * * Since we don't care about the structure/details of the Message-ID, * just do a basic parse that considers all characters inside of angled * brackets to be valid. * * @return string A full Message-ID (enclosed in angled brackets). * * @throws Horde_Mail_Exception */ private function _parseMessageId() { $bracket = ($this->_curr(true) === '<'); $str = '<'; while (($chr = $this->_curr(true)) !== false) { if ($bracket) { $str .= $chr; if ($chr == '>') { $this->_rfc822SkipLwsp(); return $str; } } else { if (!strcspn($chr, " \n\r\t,")) { $this->_rfc822SkipLwsp(); return $str; } $str .= $chr; } } if (!$bracket) { return $str; } throw new Horde_Mail_Exception('Invalid Message-ID.'); } }