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1081 lines
38 KiB
PHP
Executable File
1081 lines
38 KiB
PHP
Executable File
<?php
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/**
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* The Mail_mimeDecode class is used to decode mail/mime messages
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*
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* This class will parse a raw mime email and return
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* the structure. Returned structure is similar to
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* that returned by imap_fetchstructure().
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*
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* +----------------------------- IMPORTANT ------------------------------+
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* | Usage of this class compared to native php extensions such as |
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* | mailparse or imap, is slow and may be feature deficient. If available|
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* | you are STRONGLY recommended to use the php extensions. |
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* +----------------------------------------------------------------------+
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*
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* Compatible with PHP versions 4 and 5
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*
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* LICENSE: This LICENSE is in the BSD license style.
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* Copyright (c) 2002-2003, Richard Heyes <richard@phpguru.org>
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* Copyright (c) 2003-2006, PEAR <pear-group@php.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - Neither the name of the authors, nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category Mail
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* @package Mail_Mime
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* @author Richard Heyes <richard@phpguru.org>
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* @author George Schlossnagle <george@omniti.com>
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* @author Cipriano Groenendal <cipri@php.net>
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* @author Sean Coates <sean@php.net>
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* @copyright 2003-2006 PEAR <pear-group@php.net>
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @version CVS: $Id: mimeDecode.php 337165 2015-07-15 09:42:08Z alan_k $
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* @link http://pear.php.net/package/Mail_mime
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*/
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/**
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* require PEAR
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*
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* This package depends on PEAR to raise errors.
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*/
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require_once 'PEAR.php';
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/**
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* The Mail_mimeDecode class is used to decode mail/mime messages
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*
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* This class will parse a raw mime email and return the structure.
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* Returned structure is similar to that returned by imap_fetchstructure().
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*
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* +----------------------------- IMPORTANT ------------------------------+
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* | Usage of this class compared to native php extensions such as |
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* | mailparse or imap, is slow and may be feature deficient. If available|
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* | you are STRONGLY recommended to use the php extensions. |
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* +----------------------------------------------------------------------+
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*
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* @category Mail
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* @package Mail_Mime
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* @author Richard Heyes <richard@phpguru.org>
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* @author George Schlossnagle <george@omniti.com>
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* @author Cipriano Groenendal <cipri@php.net>
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* @author Sean Coates <sean@php.net>
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* @copyright 2003-2006 PEAR <pear-group@php.net>
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @version Release: @package_version@
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* @link http://pear.php.net/package/Mail_mime
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*/
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class Mail_mimeDecode extends PEAR
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{
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/**
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* The raw email to decode
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*
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* @var string
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* @access private
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*/
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var $_input;
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/**
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* The header part of the input
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*
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* @var string
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* @access private
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*/
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var $_header;
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/**
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* The body part of the input
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*
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* @var string
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* @access private
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*/
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var $_body;
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/**
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* If an error occurs, this is used to store the message
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*
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* @var string
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* @access private
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*/
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var $_error;
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/**
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* Flag to determine whether to include bodies in the
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* returned object.
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*
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* @var boolean
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* @access private
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*/
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var $_include_bodies;
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/**
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* Flag to determine whether to decode bodies
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*
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* @var boolean
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* @access private
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*/
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var $_decode_bodies;
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/**
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* Flag to determine whether to decode headers
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* (set to UTF8 to iconv convert headers)
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* @var mixed
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* @access private
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*/
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var $_decode_headers;
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/**
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* Flag to determine whether to include attached messages
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* as body in the returned object. Depends on $_include_bodies
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*
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* @var boolean
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* @access private
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*/
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var $_rfc822_bodies;
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/**
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* Constructor.
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*
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* Sets up the object, initialise the variables, and splits and
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* stores the header and body of the input.
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*
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* @param string The input to decode
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* @access public
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*/
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function __construct($input)
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{
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list($header, $body) = $this->_splitBodyHeader($input);
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$this->_input = $input;
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$this->_header = $header;
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$this->_body = $body;
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$this->_decode_bodies = false;
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$this->_include_bodies = true;
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$this->_rfc822_bodies = false;
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}
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// BC
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function Mail_mimeDecode($input)
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{
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$this->__construct($input);
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}
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/**
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* Begins the decoding process. If called statically
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* it will create an object and call the decode() method
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* of it.
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*
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* @param array An array of various parameters that determine
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* various things:
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* include_bodies - Whether to include the body in the returned
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* object.
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* decode_bodies - Whether to decode the bodies
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* of the parts. (Transfer encoding)
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* decode_headers - Whether to decode headers,
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* - use "UTF8//IGNORE" to convert charset.
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*
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* input - If called statically, this will be treated
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* as the input
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* @return object Decoded results
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* @access public
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*/
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function decode($params = null)
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{
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// determine if this method has been called statically
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$isStatic = empty($this) || !is_a($this, __CLASS__);
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// Have we been called statically?
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// If so, create an object and pass details to that.
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if ($isStatic AND isset($params['input'])) {
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$obj = new Mail_mimeDecode($params['input']);
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$structure = $obj->decode($params);
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// Called statically but no input
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} elseif ($isStatic) {
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return PEAR::raiseError('Called statically and no input given');
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// Called via an object
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} else {
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$this->_include_bodies = isset($params['include_bodies']) ?
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$params['include_bodies'] : false;
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$this->_decode_bodies = isset($params['decode_bodies']) ?
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$params['decode_bodies'] : false;
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$this->_decode_headers = isset($params['decode_headers']) ?
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$params['decode_headers'] : false;
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$this->_rfc822_bodies = isset($params['rfc_822bodies']) ?
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$params['rfc_822bodies'] : false;
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if (is_string($this->_decode_headers) && !function_exists('iconv')) {
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PEAR::raiseError('header decode conversion requested, however iconv is missing');
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}
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$structure = $this->_decode($this->_header, $this->_body);
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if ($structure === false) {
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$structure = $this->raiseError($this->_error);
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}
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}
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return $structure;
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}
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/**
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* Performs the decoding. Decodes the body string passed to it
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* If it finds certain content-types it will call itself in a
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* recursive fashion
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*
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* @param string Header section
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* @param string Body section
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* @return object Results of decoding process
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* @access private
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*/
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function _decode($headers, $body, $default_ctype = 'text/plain')
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{
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$return = new stdClass;
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$return->headers = array();
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$headers = $this->_parseHeaders($headers);
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foreach ($headers as $value) {
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$value['value'] = $this->_decodeHeader($value['value']);
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if (isset($return->headers[strtolower($value['name'])]) AND !is_array($return->headers[strtolower($value['name'])])) {
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$return->headers[strtolower($value['name'])] = array($return->headers[strtolower($value['name'])]);
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$return->headers[strtolower($value['name'])][] = $value['value'];
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} elseif (isset($return->headers[strtolower($value['name'])])) {
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$return->headers[strtolower($value['name'])][] = $value['value'];
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} else {
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$return->headers[strtolower($value['name'])] = $value['value'];
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}
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}
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foreach ($headers as $key => $value) {
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$headers[$key]['name'] = strtolower($headers[$key]['name']);
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switch ($headers[$key]['name']) {
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case 'content-type':
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$content_type = $this->_parseHeaderValue($headers[$key]['value']);
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if (preg_match('/([0-9a-z+.-]+)\/([0-9a-z+.-]+)/i', $content_type['value'], $regs)) {
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$return->ctype_primary = $regs[1];
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$return->ctype_secondary = $regs[2];
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}
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if (isset($content_type['other'])) {
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foreach($content_type['other'] as $p_name => $p_value) {
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$return->ctype_parameters[$p_name] = $p_value;
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}
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}
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break;
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case 'content-disposition':
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$content_disposition = $this->_parseHeaderValue($headers[$key]['value']);
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$return->disposition = $content_disposition['value'];
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if (isset($content_disposition['other'])) {
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foreach($content_disposition['other'] as $p_name => $p_value) {
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$return->d_parameters[$p_name] = $p_value;
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}
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}
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break;
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case 'content-transfer-encoding':
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$content_transfer_encoding = $this->_parseHeaderValue($headers[$key]['value']);
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break;
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}
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}
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if (isset($content_type)) {
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switch (strtolower($content_type['value'])) {
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case 'text/plain':
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$encoding = isset($content_transfer_encoding) ? $content_transfer_encoding['value'] : '7bit';
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$this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $encoding) : $body) : null;
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break;
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case 'text/html':
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$encoding = isset($content_transfer_encoding) ? $content_transfer_encoding['value'] : '7bit';
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$this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $encoding) : $body) : null;
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break;
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case 'multipart/signed': // PGP
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$parts = $this->_boundarySplit($body, $content_type['other']['boundary'], true);
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$return->parts['msg_body'] = $parts[0];
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list($part_header, $part_body) = $this->_splitBodyHeader($parts[1]);
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$return->parts['sig_hdr'] = $part_header;
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$return->parts['sig_body'] = $part_body;
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break;
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case 'multipart/parallel':
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case 'multipart/appledouble': // Appledouble mail
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case 'multipart/report': // RFC1892
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case 'multipart/signed': // PGP
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case 'multipart/digest':
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case 'multipart/alternative':
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case 'multipart/related':
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case 'multipart/relative': //#20431 - android
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case 'multipart/mixed':
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case 'application/vnd.wap.multipart.related':
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if(!isset($content_type['other']['boundary'])){
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$this->_error = 'No boundary found for ' . $content_type['value'] . ' part';
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return false;
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}
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$default_ctype = (strtolower($content_type['value']) === 'multipart/digest') ? 'message/rfc822' : 'text/plain';
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$parts = $this->_boundarySplit($body, $content_type['other']['boundary']);
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for ($i = 0; $i < count($parts); $i++) {
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list($part_header, $part_body) = $this->_splitBodyHeader($parts[$i]);
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$part = $this->_decode($part_header, $part_body, $default_ctype);
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if($part === false)
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$part = $this->raiseError($this->_error);
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$return->parts[] = $part;
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}
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break;
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case 'message/rfc822':
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case 'message/delivery-status': // #bug #18693
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if ($this->_rfc822_bodies) {
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$encoding = isset($content_transfer_encoding) ? $content_transfer_encoding['value'] : '7bit';
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$return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $encoding) : $body);
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}
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$obj = new Mail_mimeDecode($body);
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$return->parts[] = $obj->decode(array('include_bodies' => $this->_include_bodies,
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'decode_bodies' => $this->_decode_bodies,
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'decode_headers' => $this->_decode_headers));
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unset($obj);
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break;
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default:
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if(!isset($content_transfer_encoding['value']))
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$content_transfer_encoding['value'] = '7bit';
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$this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $content_transfer_encoding['value']) : $body) : null;
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break;
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}
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} else {
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$ctype = explode('/', $default_ctype);
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$return->ctype_primary = $ctype[0];
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$return->ctype_secondary = $ctype[1];
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$this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body) : $body) : null;
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}
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return $return;
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}
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/**
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* Given the output of the above function, this will return an
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* array of references to the parts, indexed by mime number.
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*
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* @param object $structure The structure to go through
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* @param string $mime_number Internal use only.
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* @return array Mime numbers
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*/
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function &getMimeNumbers(&$structure, $no_refs = false, $mime_number = '', $prepend = '')
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{
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$return = array();
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if (!empty($structure->parts)) {
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if ($mime_number != '') {
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$structure->mime_id = $prepend . $mime_number;
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$return[$prepend . $mime_number] = &$structure;
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}
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for ($i = 0; $i < count($structure->parts); $i++) {
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if (!empty($structure->headers['content-type']) AND substr(strtolower($structure->headers['content-type']), 0, 8) == 'message/') {
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$prepend = $prepend . $mime_number . '.';
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$_mime_number = '';
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} else {
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$_mime_number = ($mime_number == '' ? $i + 1 : sprintf('%s.%s', $mime_number, $i + 1));
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}
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$arr = &Mail_mimeDecode::getMimeNumbers($structure->parts[$i], $no_refs, $_mime_number, $prepend);
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foreach ($arr as $key => $val) {
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$no_refs ? $return[$key] = '' : $return[$key] = &$arr[$key];
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}
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}
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} else {
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if ($mime_number == '') {
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$mime_number = '1';
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}
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$structure->mime_id = $prepend . $mime_number;
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$no_refs ? $return[$prepend . $mime_number] = '' : $return[$prepend . $mime_number] = &$structure;
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}
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return $return;
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}
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|
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/**
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|
* Given a string containing a header and body
|
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* section, this function will split them (at the first
|
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* blank line) and return them.
|
|
*
|
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* @param string Input to split apart
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* @return array Contains header and body section
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* @access private
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*/
|
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function _splitBodyHeader($input)
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{
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if (preg_match("/^(.*?)\r?\n\r?\n(.*)/s", $input, $match)) {
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return array($match[1], $match[2]);
|
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}
|
|
// bug #17325 - empty bodies are allowed. - we just check that at least one line
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// of headers exist..
|
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if (count(explode("\n",$input))) {
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return array($input, '');
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}
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$this->_error = 'Could not split header and body';
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return false;
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}
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|
|
/**
|
|
* Parse headers given in $input and return
|
|
* as assoc array.
|
|
*
|
|
* @param string Headers to parse
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|
* @return array Contains parsed headers
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|
* @access private
|
|
*/
|
|
function _parseHeaders($input)
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|
{
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|
|
|
if ($input !== '') {
|
|
// Unfold the input
|
|
$input = preg_replace("/\r?\n/", "\r\n", $input);
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|
//#7065 - wrapping.. with encoded stuff.. - probably not needed,
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|
// wrapping space should only get removed if the trailing item on previous line is a
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// encoded character
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$input = preg_replace("/=\r\n(\t| )+/", '=', $input);
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$input = preg_replace("/\r\n(\t| )+/", ' ', $input);
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$headers = explode("\r\n", trim($input));
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$got_start = false;
|
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foreach ($headers as $value) {
|
|
if (!$got_start) {
|
|
// munge headers for mbox style from
|
|
if ($value[0] == '>') {
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$value = substring($value, 1); // remove mbox >
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|
}
|
|
if (substr($value,0,5) == 'From ') {
|
|
$value = 'Return-Path: ' . substr($value, 5);
|
|
} else {
|
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$got_start = true;
|
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}
|
|
}
|
|
|
|
$hdr_name = substr($value, 0, $pos = strpos($value, ':'));
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$hdr_value = substr($value, $pos+1);
|
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if($hdr_value[0] == ' ') {
|
|
$hdr_value = substr($hdr_value, 1);
|
|
}
|
|
|
|
$return[] = array(
|
|
'name' => $hdr_name,
|
|
'value' => $hdr_value
|
|
);
|
|
}
|
|
} else {
|
|
$return = array();
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Function to parse a header value,
|
|
* extract first part, and any secondary
|
|
* parts (after ;) This function is not as
|
|
* robust as it could be. Eg. header comments
|
|
* in the wrong place will probably break it.
|
|
*
|
|
* Extra things this can handle
|
|
* filename*0=......
|
|
* filename*1=......
|
|
*
|
|
* This is where lines are broken in, and need merging.
|
|
*
|
|
* filename*0*=ENC'lang'urlencoded data.
|
|
* filename*1*=ENC'lang'urlencoded data.
|
|
*
|
|
*
|
|
*
|
|
* @param string Header value to parse
|
|
* @return array Contains parsed result
|
|
* @access private
|
|
*/
|
|
function _parseHeaderValue($input)
|
|
{
|
|
if (($pos = strpos($input, ';')) === false) {
|
|
$input = $this->_decodeHeader($input);
|
|
$return['value'] = trim($input);
|
|
return $return;
|
|
}
|
|
|
|
|
|
|
|
$value = substr($input, 0, $pos);
|
|
$value = $this->_decodeHeader($value);
|
|
$return['value'] = trim($value);
|
|
$input = trim(substr($input, $pos+1));
|
|
|
|
if (!strlen($input) > 0) {
|
|
return $return;
|
|
}
|
|
// at this point input contains xxxx=".....";zzzz="...."
|
|
// since we are dealing with quoted strings, we need to handle this properly..
|
|
$i = 0;
|
|
$l = strlen($input);
|
|
$key = '';
|
|
$val = false; // our string - including quotes..
|
|
$q = false; // in quote..
|
|
$lq = ''; // last quote..
|
|
|
|
while ($i < $l) {
|
|
|
|
$c = $input[$i];
|
|
//var_dump(array('i'=>$i,'c'=>$c,'q'=>$q, 'lq'=>$lq, 'key'=>$key, 'val' =>$val));
|
|
|
|
$escaped = false;
|
|
if ($c == '\\') {
|
|
$i++;
|
|
if ($i == $l-1) { // end of string.
|
|
break;
|
|
}
|
|
$escaped = true;
|
|
$c = $input[$i];
|
|
}
|
|
|
|
|
|
// state - in key..
|
|
if ($val === false) {
|
|
if (!$escaped && $c == '=') {
|
|
$val = '';
|
|
$key = trim($key);
|
|
$i++;
|
|
continue;
|
|
}
|
|
if (!$escaped && $c == ';') {
|
|
if ($key) { // a key without a value..
|
|
$key= trim($key);
|
|
$return['other'][$key] = '';
|
|
}
|
|
$key = '';
|
|
}
|
|
$key .= $c;
|
|
$i++;
|
|
continue;
|
|
}
|
|
|
|
// state - in value.. (as $val is set..)
|
|
|
|
if ($q === false) {
|
|
// not in quote yet.
|
|
if ((!strlen($val) || $lq !== false) && $c == ' ' || $c == "\t") {
|
|
$i++;
|
|
continue; // skip leading spaces after '=' or after '"'
|
|
}
|
|
|
|
// do not de-quote 'xxx*= itesm..
|
|
$key_is_trans = $key[strlen($key)-1] == '*';
|
|
|
|
if (!$key_is_trans && !$escaped && ($c == '"' || $c == "'")) {
|
|
// start quoted area..
|
|
$q = $c;
|
|
// in theory should not happen raw text in value part..
|
|
// but we will handle it as a merged part of the string..
|
|
$val = !strlen(trim($val)) ? '' : trim($val);
|
|
$i++;
|
|
continue;
|
|
}
|
|
// got end....
|
|
if (!$escaped && $c == ';') {
|
|
|
|
$return['other'][$key] = trim($val);
|
|
$val = false;
|
|
$key = '';
|
|
$lq = false;
|
|
$i++;
|
|
continue;
|
|
}
|
|
|
|
$val .= $c;
|
|
$i++;
|
|
continue;
|
|
}
|
|
|
|
// state - in quote..
|
|
if (!$escaped && $c == $q) { // potential exit state..
|
|
|
|
// end of quoted string..
|
|
$lq = $q;
|
|
$q = false;
|
|
$i++;
|
|
continue;
|
|
}
|
|
|
|
// normal char inside of quoted string..
|
|
$val.= $c;
|
|
$i++;
|
|
}
|
|
|
|
// do we have anything left..
|
|
if (strlen(trim($key)) || $val !== false) {
|
|
|
|
$val = trim($val);
|
|
|
|
$return['other'][$key] = $val;
|
|
}
|
|
|
|
|
|
$clean_others = array();
|
|
// merge added values. eg. *1[*]
|
|
foreach($return['other'] as $key =>$val) {
|
|
if (preg_match('/\*[0-9]+\**$/', $key)) {
|
|
$key = preg_replace('/(.*)\*[0-9]+(\**)$/', '\1\2', $key);
|
|
if (isset($clean_others[$key])) {
|
|
$clean_others[$key] .= $val;
|
|
continue;
|
|
}
|
|
|
|
}
|
|
$clean_others[$key] = $val;
|
|
|
|
}
|
|
|
|
// handle language translation of '*' ending others.
|
|
foreach( $clean_others as $key =>$val) {
|
|
if ( $key[strlen($key)-1] != '*') {
|
|
$clean_others[strtolower($key)] = $val;
|
|
continue;
|
|
}
|
|
unset($clean_others[$key]);
|
|
$key = substr($key,0,-1);
|
|
//extended-initial-value := [charset] "'" [language] "'"
|
|
// extended-other-values
|
|
$match = array();
|
|
$info = preg_match("/^([^']+)'([^']*)'(.*)$/", $val, $match);
|
|
|
|
$clean_others[$key] = urldecode($match[3]);
|
|
$clean_others[strtolower($key)] = $clean_others[$key];
|
|
$clean_others[strtolower($key).'-charset'] = $match[1];
|
|
$clean_others[strtolower($key).'-language'] = $match[2];
|
|
|
|
|
|
}
|
|
|
|
|
|
$return['other'] = $clean_others;
|
|
|
|
// decode values.
|
|
foreach($return['other'] as $key =>$val) {
|
|
$charset = isset($return['other'][$key . '-charset']) ?
|
|
$return['other'][$key . '-charset'] : false;
|
|
|
|
$return['other'][$key] = $this->_decodeHeader($val, $charset);
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* This function splits the input based
|
|
* on the given boundary
|
|
*
|
|
* @param string Input to parse
|
|
* @return array Contains array of resulting mime parts
|
|
* @access private
|
|
*/
|
|
function _boundarySplit($input, $boundary, $eatline = false)
|
|
{
|
|
$parts = array();
|
|
|
|
$bs_possible = substr($boundary, 2, -2);
|
|
$bs_check = '\"' . $bs_possible . '\"';
|
|
|
|
if ($boundary == $bs_check) {
|
|
$boundary = $bs_possible;
|
|
}
|
|
// eatline is used by multipart/signed.
|
|
$tmp = $eatline ?
|
|
preg_split("/\r?\n--".preg_quote($boundary, '/')."(|--)\n/", $input) :
|
|
preg_split("/--".preg_quote($boundary, '/')."((?=\s)|--)/", $input);
|
|
|
|
$len = count($tmp) -1;
|
|
for ($i = 1; $i < $len; $i++) {
|
|
if (strlen(trim($tmp[$i]))) {
|
|
$parts[] = $tmp[$i];
|
|
}
|
|
}
|
|
|
|
// add the last part on if it does not end with the 'closing indicator'
|
|
if (!empty($tmp[$len]) && strlen(trim($tmp[$len])) && $tmp[$len][0] != '-') {
|
|
$parts[] = $tmp[$len];
|
|
}
|
|
return $parts;
|
|
}
|
|
|
|
/**
|
|
* Given a header, this function will decode it
|
|
* according to RFC2047. Probably not *exactly*
|
|
* conformant, but it does pass all the given
|
|
* examples (in RFC2047).
|
|
*
|
|
* @param string Input header value to decode
|
|
* @return string Decoded header value
|
|
* @access private
|
|
*/
|
|
function _decodeHeader($input, $default_charset=false)
|
|
{
|
|
if (!$this->_decode_headers) {
|
|
return $input;
|
|
}
|
|
// Remove white space between encoded-words
|
|
$input = preg_replace('/(=\?[^?]+\?(q|b)\?[^?]*\?=)(\s)+=\?/i', '\1=?', $input);
|
|
|
|
// For each encoded-word...
|
|
while (preg_match('/(=\?([^?]+)\?(q|b)\?([^?]*)\?=)/i', $input, $matches)) {
|
|
|
|
$encoded = $matches[1];
|
|
$charset = $matches[2];
|
|
$encoding = $matches[3];
|
|
$text = $matches[4];
|
|
|
|
switch (strtolower($encoding)) {
|
|
case 'b':
|
|
$text = base64_decode($text);
|
|
break;
|
|
|
|
case 'q':
|
|
$text = str_replace('_', ' ', $text);
|
|
preg_match_all('/=([a-f0-9]{2})/i', $text, $matches);
|
|
foreach($matches[1] as $value)
|
|
$text = str_replace('='.$value, chr(hexdec($value)), $text);
|
|
break;
|
|
}
|
|
if (is_string($this->_decode_headers)) {
|
|
$conv = @iconv($charset, $this->_decode_headers, $text);
|
|
$text = ($conv === false) ? $text : $conv;
|
|
}
|
|
$input = str_replace($encoded, $text, $input);
|
|
}
|
|
|
|
if ($default_charset && is_string($this->_decode_headers)) {
|
|
$conv = @iconv($charset, $this->_decode_headers, $input);
|
|
$input = ($conv === false) ? $input : $conv;
|
|
}
|
|
|
|
return $input;
|
|
}
|
|
|
|
/**
|
|
* Given a body string and an encoding type,
|
|
* this function will decode and return it.
|
|
*
|
|
* @param string Input body to decode
|
|
* @param string Encoding type to use.
|
|
* @return string Decoded body
|
|
* @access private
|
|
*/
|
|
function _decodeBody($input, $encoding = '7bit')
|
|
{
|
|
switch (strtolower($encoding)) {
|
|
case '7bit':
|
|
return $input;
|
|
break;
|
|
|
|
case 'quoted-printable':
|
|
return $this->_quotedPrintableDecode($input);
|
|
break;
|
|
|
|
case 'base64':
|
|
return base64_decode($input);
|
|
break;
|
|
|
|
default:
|
|
return $input;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Given a quoted-printable string, this
|
|
* function will decode and return it.
|
|
*
|
|
* @param string Input body to decode
|
|
* @return string Decoded body
|
|
* @access private
|
|
*/
|
|
function _quotedPrintableDecode($input)
|
|
{
|
|
// Remove soft line breaks
|
|
$input = preg_replace("/=\r?\n/", '', $input);
|
|
|
|
// Replace encoded characters
|
|
|
|
$cb = create_function('$matches', ' return chr(hexdec($matches[0]));');
|
|
|
|
$input = preg_replace_callback( '/=([a-f0-9]{2})/i', $cb, $input);
|
|
|
|
return $input;
|
|
}
|
|
|
|
/**
|
|
* Checks the input for uuencoded files and returns
|
|
* an array of them. Can be called statically, eg:
|
|
*
|
|
* $files =& Mail_mimeDecode::uudecode($some_text);
|
|
*
|
|
* It will check for the begin 666 ... end syntax
|
|
* however and won't just blindly decode whatever you
|
|
* pass it.
|
|
*
|
|
* @param string Input body to look for attahcments in
|
|
* @return array Decoded bodies, filenames and permissions
|
|
* @access public
|
|
* @author Unknown
|
|
*/
|
|
function &uudecode($input)
|
|
{
|
|
// Find all uuencoded sections
|
|
preg_match_all("/begin ([0-7]{3}) (.+)\r?\n(.+)\r?\nend/Us", $input, $matches);
|
|
|
|
for ($j = 0; $j < count($matches[3]); $j++) {
|
|
|
|
$str = $matches[3][$j];
|
|
$filename = $matches[2][$j];
|
|
$fileperm = $matches[1][$j];
|
|
|
|
$file = '';
|
|
$str = preg_split("/\r?\n/", trim($str));
|
|
$strlen = count($str);
|
|
|
|
for ($i = 0; $i < $strlen; $i++) {
|
|
$pos = 1;
|
|
$d = 0;
|
|
$len=(int)(((ord(substr($str[$i],0,1)) -32) - ' ') & 077);
|
|
|
|
while (($d + 3 <= $len) AND ($pos + 4 <= strlen($str[$i]))) {
|
|
$c0 = (ord(substr($str[$i],$pos,1)) ^ 0x20);
|
|
$c1 = (ord(substr($str[$i],$pos+1,1)) ^ 0x20);
|
|
$c2 = (ord(substr($str[$i],$pos+2,1)) ^ 0x20);
|
|
$c3 = (ord(substr($str[$i],$pos+3,1)) ^ 0x20);
|
|
$file .= chr(((($c0 - ' ') & 077) << 2) | ((($c1 - ' ') & 077) >> 4));
|
|
|
|
$file .= chr(((($c1 - ' ') & 077) << 4) | ((($c2 - ' ') & 077) >> 2));
|
|
|
|
$file .= chr(((($c2 - ' ') & 077) << 6) | (($c3 - ' ') & 077));
|
|
|
|
$pos += 4;
|
|
$d += 3;
|
|
}
|
|
|
|
if (($d + 2 <= $len) && ($pos + 3 <= strlen($str[$i]))) {
|
|
$c0 = (ord(substr($str[$i],$pos,1)) ^ 0x20);
|
|
$c1 = (ord(substr($str[$i],$pos+1,1)) ^ 0x20);
|
|
$c2 = (ord(substr($str[$i],$pos+2,1)) ^ 0x20);
|
|
$file .= chr(((($c0 - ' ') & 077) << 2) | ((($c1 - ' ') & 077) >> 4));
|
|
|
|
$file .= chr(((($c1 - ' ') & 077) << 4) | ((($c2 - ' ') & 077) >> 2));
|
|
|
|
$pos += 3;
|
|
$d += 2;
|
|
}
|
|
|
|
if (($d + 1 <= $len) && ($pos + 2 <= strlen($str[$i]))) {
|
|
$c0 = (ord(substr($str[$i],$pos,1)) ^ 0x20);
|
|
$c1 = (ord(substr($str[$i],$pos+1,1)) ^ 0x20);
|
|
$file .= chr(((($c0 - ' ') & 077) << 2) | ((($c1 - ' ') & 077) >> 4));
|
|
|
|
}
|
|
}
|
|
$files[] = array('filename' => $filename, 'fileperm' => $fileperm, 'filedata' => $file);
|
|
}
|
|
|
|
return $files;
|
|
}
|
|
|
|
/**
|
|
* getSendArray() returns the arguments required for Mail::send()
|
|
* used to build the arguments for a mail::send() call
|
|
*
|
|
* Usage:
|
|
* $mailtext = Full email (for example generated by a template)
|
|
* $decoder = new Mail_mimeDecode($mailtext);
|
|
* $parts = $decoder->getSendArray();
|
|
* if (!PEAR::isError($parts) {
|
|
* list($recipents,$headers,$body) = $parts;
|
|
* $mail = Mail::factory('smtp');
|
|
* $mail->send($recipents,$headers,$body);
|
|
* } else {
|
|
* echo $parts->message;
|
|
* }
|
|
* @return mixed array of recipeint, headers,body or Pear_Error
|
|
* @access public
|
|
* @author Alan Knowles <alan@akbkhome.com>
|
|
*/
|
|
function getSendArray()
|
|
{
|
|
// prevent warning if this is not set
|
|
$this->_decode_headers = FALSE;
|
|
$headerlist =$this->_parseHeaders($this->_header);
|
|
$to = "";
|
|
if (!$headerlist) {
|
|
return $this->raiseError("Message did not contain headers");
|
|
}
|
|
foreach($headerlist as $item) {
|
|
$header[$item['name']] = $item['value'];
|
|
switch (strtolower($item['name'])) {
|
|
case "to":
|
|
case "cc":
|
|
case "bcc":
|
|
$to .= ",".$item['value'];
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if ($to == "") {
|
|
return $this->raiseError("Message did not contain any recipents");
|
|
}
|
|
$to = substr($to,1);
|
|
return array($to,$header,$this->_body);
|
|
}
|
|
|
|
/**
|
|
* Returns a xml copy of the output of
|
|
* Mail_mimeDecode::decode. Pass the output in as the
|
|
* argument. This function can be called statically. Eg:
|
|
*
|
|
* $output = $obj->decode();
|
|
* $xml = Mail_mimeDecode::getXML($output);
|
|
*
|
|
* The DTD used for this should have been in the package. Or
|
|
* alternatively you can get it from cvs, or here:
|
|
* http://www.phpguru.org/xmail/xmail.dtd.
|
|
*
|
|
* @param object Input to convert to xml. This should be the
|
|
* output of the Mail_mimeDecode::decode function
|
|
* @return string XML version of input
|
|
* @access public
|
|
*/
|
|
function getXML($input)
|
|
{
|
|
$crlf = "\r\n";
|
|
$output = '<?xml version=\'1.0\'?>' . $crlf .
|
|
'<!DOCTYPE email SYSTEM "http://www.phpguru.org/xmail/xmail.dtd">' . $crlf .
|
|
'<email>' . $crlf .
|
|
Mail_mimeDecode::_getXML($input) .
|
|
'</email>';
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Function that does the actual conversion to xml. Does a single
|
|
* mimepart at a time.
|
|
*
|
|
* @param object Input to convert to xml. This is a mimepart object.
|
|
* It may or may not contain subparts.
|
|
* @param integer Number of tabs to indent
|
|
* @return string XML version of input
|
|
* @access private
|
|
*/
|
|
function _getXML($input, $indent = 1)
|
|
{
|
|
$htab = "\t";
|
|
$crlf = "\r\n";
|
|
$output = '';
|
|
$headers = @(array)$input->headers;
|
|
|
|
foreach ($headers as $hdr_name => $hdr_value) {
|
|
|
|
// Multiple headers with this name
|
|
if (is_array($headers[$hdr_name])) {
|
|
for ($i = 0; $i < count($hdr_value); $i++) {
|
|
$output .= Mail_mimeDecode::_getXML_helper($hdr_name, $hdr_value[$i], $indent);
|
|
}
|
|
|
|
// Only one header of this sort
|
|
} else {
|
|
$output .= Mail_mimeDecode::_getXML_helper($hdr_name, $hdr_value, $indent);
|
|
}
|
|
}
|
|
|
|
if (!empty($input->parts)) {
|
|
for ($i = 0; $i < count($input->parts); $i++) {
|
|
$output .= $crlf . str_repeat($htab, $indent) . '<mimepart>' . $crlf .
|
|
Mail_mimeDecode::_getXML($input->parts[$i], $indent+1) .
|
|
str_repeat($htab, $indent) . '</mimepart>' . $crlf;
|
|
}
|
|
} elseif (isset($input->body)) {
|
|
$output .= $crlf . str_repeat($htab, $indent) . '<body><![CDATA[' .
|
|
$input->body . ']]></body>' . $crlf;
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Helper function to _getXML(). Returns xml of a header.
|
|
*
|
|
* @param string Name of header
|
|
* @param string Value of header
|
|
* @param integer Number of tabs to indent
|
|
* @return string XML version of input
|
|
* @access private
|
|
*/
|
|
function _getXML_helper($hdr_name, $hdr_value, $indent)
|
|
{
|
|
$htab = "\t";
|
|
$crlf = "\r\n";
|
|
$return = '';
|
|
|
|
$new_hdr_value = ($hdr_name != 'received') ? Mail_mimeDecode::_parseHeaderValue($hdr_value) : array('value' => $hdr_value);
|
|
$new_hdr_name = str_replace(' ', '-', ucwords(str_replace('-', ' ', $hdr_name)));
|
|
|
|
// Sort out any parameters
|
|
if (!empty($new_hdr_value['other'])) {
|
|
foreach ($new_hdr_value['other'] as $paramname => $paramvalue) {
|
|
$params[] = str_repeat($htab, $indent) . $htab . '<parameter>' . $crlf .
|
|
str_repeat($htab, $indent) . $htab . $htab . '<paramname>' . htmlspecialchars($paramname) . '</paramname>' . $crlf .
|
|
str_repeat($htab, $indent) . $htab . $htab . '<paramvalue>' . htmlspecialchars($paramvalue) . '</paramvalue>' . $crlf .
|
|
str_repeat($htab, $indent) . $htab . '</parameter>' . $crlf;
|
|
}
|
|
|
|
$params = implode('', $params);
|
|
} else {
|
|
$params = '';
|
|
}
|
|
|
|
$return = str_repeat($htab, $indent) . '<header>' . $crlf .
|
|
str_repeat($htab, $indent) . $htab . '<headername>' . htmlspecialchars($new_hdr_name) . '</headername>' . $crlf .
|
|
str_repeat($htab, $indent) . $htab . '<headervalue>' . htmlspecialchars($new_hdr_value['value']) . '</headervalue>' . $crlf .
|
|
$params .
|
|
str_repeat($htab, $indent) . '</header>' . $crlf;
|
|
|
|
return $return;
|
|
}
|
|
|
|
} // End of class
|