850 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			850 lines
		
	
	
		
			30 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
|   | <?php | ||
|  | /** | ||
|  |  * The Mail_mimeDecode class is used to decode mail/mime messages | ||
|  |  * | ||
|  |  * This class will parse a raw mime email and return | ||
|  |  * the structure. Returned structure is similar to | ||
|  |  * that returned by imap_fetchstructure(). | ||
|  |  * | ||
|  |  *  +----------------------------- IMPORTANT ------------------------------+ | ||
|  |  *  | Usage of this class compared to native php extensions such as        | | ||
|  |  *  | mailparse or imap, is slow and may be feature deficient. If available| | ||
|  |  *  | you are STRONGLY recommended to use the php extensions.              | | ||
|  |  *  +----------------------------------------------------------------------+ | ||
|  |  * | ||
|  |  * Compatible with PHP versions 4 and 5 | ||
|  |  * | ||
|  |  * LICENSE: This LICENSE is in the BSD license style. | ||
|  |  * Copyright (c) 2002-2003, Richard Heyes <richard@phpguru.org> | ||
|  |  * Copyright (c) 2003-2006, PEAR <pear-group@php.net> | ||
|  |  * All rights reserved. | ||
|  |  * | ||
|  |  * Redistribution and use in source and binary forms, with or | ||
|  |  * without modification, are permitted provided that the following | ||
|  |  * conditions are met: | ||
|  |  * | ||
|  |  * - Redistributions of source code must retain the above copyright | ||
|  |  *   notice, this list of conditions and the following disclaimer. | ||
|  |  * - Redistributions in binary form must reproduce the above copyright | ||
|  |  *   notice, this list of conditions and the following disclaimer in the | ||
|  |  *   documentation and/or other materials provided with the distribution. | ||
|  |  * - Neither the name of the authors, nor the names of its contributors  | ||
|  |  *   may be used to endorse or promote products derived from this  | ||
|  |  *   software without specific prior written permission. | ||
|  |  * | ||
|  |  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
|  |  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
|  |  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
|  |  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
|  |  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
|  |  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
|  |  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
|  |  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
|  |  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
|  |  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | ||
|  |  * THE POSSIBILITY OF SUCH DAMAGE. | ||
|  |  * | ||
|  |  * @category   Mail | ||
|  |  * @package    Mail_Mime | ||
|  |  * @author     Richard Heyes  <richard@phpguru.org> | ||
|  |  * @author     George Schlossnagle <george@omniti.com> | ||
|  |  * @author     Cipriano Groenendal <cipri@php.net> | ||
|  |  * @author     Sean Coates <sean@php.net> | ||
|  |  * @copyright  2003-2006 PEAR <pear-group@php.net> | ||
|  |  * @license    http://www.opensource.org/licenses/bsd-license.php BSD License | ||
|  |  * @version    CVS: $Id: mimeDecode.php,v 1.48 2006/12/03 13:43:33 cipri Exp $ | ||
|  |  * @link       http://pear.php.net/package/Mail_mime | ||
|  |  */ | ||
|  | 
 | ||
|  | 
 | ||
|  | /** | ||
|  |  * require PEAR | ||
|  |  * | ||
|  |  * This package depends on PEAR to raise errors. | ||
|  |  */ | ||
|  | require_once 'PEAR.php'; | ||
|  | 
 | ||
|  | 
 | ||
|  | /** | ||
|  |  * The Mail_mimeDecode class is used to decode mail/mime messages | ||
|  |  * | ||
|  |  * This class will parse a raw mime email and return the structure. | ||
|  |  * Returned structure is similar to that returned by imap_fetchstructure(). | ||
|  |  * | ||
|  |  *  +----------------------------- IMPORTANT ------------------------------+ | ||
|  |  *  | Usage of this class compared to native php extensions such as        | | ||
|  |  *  | mailparse or imap, is slow and may be feature deficient. If available| | ||
|  |  *  | you are STRONGLY recommended to use the php extensions.              | | ||
|  |  *  +----------------------------------------------------------------------+ | ||
|  |  * | ||
|  |  * @category   Mail | ||
|  |  * @package    Mail_Mime | ||
|  |  * @author     Richard Heyes  <richard@phpguru.org> | ||
|  |  * @author     George Schlossnagle <george@omniti.com> | ||
|  |  * @author     Cipriano Groenendal <cipri@php.net> | ||
|  |  * @author     Sean Coates <sean@php.net> | ||
|  |  * @copyright  2003-2006 PEAR <pear-group@php.net> | ||
|  |  * @license    http://www.opensource.org/licenses/bsd-license.php BSD License | ||
|  |  * @version    Release: @package_version@ | ||
|  |  * @link       http://pear.php.net/package/Mail_mime | ||
|  |  */ | ||
|  | class Mail_mimeDecode extends PEAR | ||
|  | { | ||
|  |     /** | ||
|  |      * The raw email to decode | ||
|  |      * | ||
|  |      * @var    string | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_input; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * The header part of the input | ||
|  |      * | ||
|  |      * @var    string | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_header; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * The body part of the input | ||
|  |      * | ||
|  |      * @var    string | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_body; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * If an error occurs, this is used to store the message | ||
|  |      * | ||
|  |      * @var    string | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_error; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Flag to determine whether to include bodies in the | ||
|  |      * returned object. | ||
|  |      * | ||
|  |      * @var    boolean | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_include_bodies; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Flag to determine whether to decode bodies | ||
|  |      * | ||
|  |      * @var    boolean | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_decode_bodies; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Flag to determine whether to decode headers | ||
|  |      * | ||
|  |      * @var    boolean | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     var $_decode_headers; | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Constructor. | ||
|  |      * | ||
|  |      * Sets up the object, initialise the variables, and splits and | ||
|  |      * stores the header and body of the input. | ||
|  |      * | ||
|  |      * @param string The input to decode | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function Mail_mimeDecode($input) | ||
|  |     { | ||
|  |         list($header, $body)   = $this->_splitBodyHeader($input); | ||
|  | 
 | ||
|  |         $this->_input          = $input; | ||
|  |         $this->_header         = $header; | ||
|  |         $this->_body           = $body; | ||
|  |         $this->_decode_bodies  = false; | ||
|  |         $this->_include_bodies = true; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Begins the decoding process. If called statically | ||
|  |      * it will create an object and call the decode() method | ||
|  |      * of it. | ||
|  |      * | ||
|  |      * @param array An array of various parameters that determine | ||
|  |      *              various things: | ||
|  |      *              include_bodies - Whether to include the body in the returned | ||
|  |      *                               object. | ||
|  |      *              decode_bodies  - Whether to decode the bodies | ||
|  |      *                               of the parts. (Transfer encoding) | ||
|  |      *              decode_headers - Whether to decode headers | ||
|  |      *              input          - If called statically, this will be treated | ||
|  |      *                               as the input | ||
|  |      * @return object Decoded results | ||
|  |      * @access public | ||
|  |      */ | ||
|  |     function decode($params = null) | ||
|  |     { | ||
|  |         // determine if this method has been called statically
 | ||
|  |         $isStatic = !(isset($this) && get_class($this) == __CLASS__); | ||
|  | 
 | ||
|  |         // Have we been called statically?
 | ||
|  | 	// If so, create an object and pass details to that.
 | ||
|  |         if ($isStatic AND isset($params['input'])) { | ||
|  | 
 | ||
|  |             $obj = new Mail_mimeDecode($params['input']); | ||
|  |             $structure = $obj->decode($params); | ||
|  | 
 | ||
|  |         // Called statically but no input
 | ||
|  |         } elseif ($isStatic) { | ||
|  |             return PEAR::raiseError('Called statically and no input given'); | ||
|  | 
 | ||
|  |         // Called via an object
 | ||
|  |         } else { | ||
|  |             $this->_include_bodies = isset($params['include_bodies']) ? | ||
|  | 	                             $params['include_bodies'] : false; | ||
|  |             $this->_decode_bodies  = isset($params['decode_bodies']) ? | ||
|  | 	                             $params['decode_bodies']  : false; | ||
|  |             $this->_decode_headers = isset($params['decode_headers']) ? | ||
|  | 	                             $params['decode_headers'] : false; | ||
|  | 
 | ||
|  |             $structure = $this->_decode($this->_header, $this->_body); | ||
|  |             if ($structure === false) { | ||
|  |                 $structure = $this->raiseError($this->_error); | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         return $structure; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Performs the decoding. Decodes the body string passed to it | ||
|  |      * If it finds certain content-types it will call itself in a | ||
|  |      * recursive fashion | ||
|  |      * | ||
|  |      * @param string Header section | ||
|  |      * @param string Body section | ||
|  |      * @return object Results of decoding process | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     function _decode($headers, $body, $default_ctype = 'text/plain') | ||
|  |     { | ||
|  |         $return = new stdClass; | ||
|  |         $return->headers = array(); | ||
|  |         $headers = $this->_parseHeaders($headers); | ||
|  | 
 | ||
|  |         foreach ($headers as $value) { | ||
|  |             if (isset($return->headers[strtolower($value['name'])]) AND !is_array($return->headers[strtolower($value['name'])])) { | ||
|  |                 $return->headers[strtolower($value['name'])]   = array($return->headers[strtolower($value['name'])]); | ||
|  |                 $return->headers[strtolower($value['name'])][] = $value['value']; | ||
|  | 
 | ||
|  |             } elseif (isset($return->headers[strtolower($value['name'])])) { | ||
|  |                 $return->headers[strtolower($value['name'])][] = $value['value']; | ||
|  | 
 | ||
|  |             } else { | ||
|  |                 $return->headers[strtolower($value['name'])] = $value['value']; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         reset($headers); | ||
|  |         while (list($key, $value) = each($headers)) { | ||
|  |             $headers[$key]['name'] = strtolower($headers[$key]['name']); | ||
|  |             switch ($headers[$key]['name']) { | ||
|  | 
 | ||
|  |                 case 'content-type': | ||
|  |                     $content_type = $this->_parseHeaderValue($headers[$key]['value']); | ||
|  | 
 | ||
|  |                     if (preg_match('/([0-9a-z+.-]+)\/([0-9a-z+.-]+)/i', $content_type['value'], $regs)) { | ||
|  |                         $return->ctype_primary   = $regs[1]; | ||
|  |                         $return->ctype_secondary = $regs[2]; | ||
|  |                     } | ||
|  | 
 | ||
|  |                     if (isset($content_type['other'])) { | ||
|  |                         while (list($p_name, $p_value) = each($content_type['other'])) { | ||
|  |                             $return->ctype_parameters[$p_name] = $p_value; | ||
|  |                         } | ||
|  |                     } | ||
|  |                     break; | ||
|  | 
 | ||
|  |                 case 'content-disposition': | ||
|  |                     $content_disposition = $this->_parseHeaderValue($headers[$key]['value']); | ||
|  |                     $return->disposition   = $content_disposition['value']; | ||
|  |                     if (isset($content_disposition['other'])) { | ||
|  |                         while (list($p_name, $p_value) = each($content_disposition['other'])) { | ||
|  |                             $return->d_parameters[$p_name] = $p_value; | ||
|  |                         } | ||
|  |                     } | ||
|  |                     break; | ||
|  | 
 | ||
|  |                 case 'content-transfer-encoding': | ||
|  |                     $content_transfer_encoding = $this->_parseHeaderValue($headers[$key]['value']); | ||
|  |                     break; | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         if (isset($content_type)) { | ||
|  |             switch (strtolower($content_type['value'])) { | ||
|  |                 case 'text/plain': | ||
|  |                     $encoding = isset($content_transfer_encoding) ? $content_transfer_encoding['value'] : '7bit'; | ||
|  |                     $this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $encoding) : $body) : null; | ||
|  |                     break; | ||
|  | 
 | ||
|  |                 case 'text/html': | ||
|  |                     $encoding = isset($content_transfer_encoding) ? $content_transfer_encoding['value'] : '7bit'; | ||
|  |                     $this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $encoding) : $body) : null; | ||
|  |                     break; | ||
|  | 
 | ||
|  |                 case 'multipart/parallel': | ||
|  |                 case 'multipart/appledouble': // Appledouble mail
 | ||
|  |                 case 'multipart/report': // RFC1892
 | ||
|  |                 case 'multipart/signed': // PGP
 | ||
|  |                 case 'multipart/digest': | ||
|  |                 case 'multipart/alternative': | ||
|  |                 case 'multipart/related': | ||
|  |                 case 'multipart/mixed': | ||
|  |                     if(!isset($content_type['other']['boundary'])){ | ||
|  |                         $this->_error = 'No boundary found for ' . $content_type['value'] . ' part'; | ||
|  |                         return false; | ||
|  |                     } | ||
|  | 
 | ||
|  |                     $default_ctype = (strtolower($content_type['value']) === 'multipart/digest') ? 'message/rfc822' : 'text/plain'; | ||
|  | 
 | ||
|  |                     $parts = $this->_boundarySplit($body, $content_type['other']['boundary']); | ||
|  |                     for ($i = 0; $i < count($parts); $i++) { | ||
|  |                         list($part_header, $part_body) = $this->_splitBodyHeader($parts[$i]); | ||
|  |                         $part = $this->_decode($part_header, $part_body, $default_ctype); | ||
|  |                         if($part === false) | ||
|  |                             $part = $this->raiseError($this->_error); | ||
|  |                         $return->parts[] = $part; | ||
|  |                     } | ||
|  |                     break; | ||
|  | 
 | ||
|  |                 case 'message/rfc822': | ||
|  |                     $obj = &new Mail_mimeDecode($body); | ||
|  |                     $return->parts[] = $obj->decode(array('include_bodies' => $this->_include_bodies, | ||
|  | 					                                      'decode_bodies'  => $this->_decode_bodies, | ||
|  | 														  'decode_headers' => $this->_decode_headers)); | ||
|  |                     unset($obj); | ||
|  |                     break; | ||
|  | 
 | ||
|  |                 default: | ||
|  |                     if(!isset($content_transfer_encoding['value'])) | ||
|  |                         $content_transfer_encoding['value'] = '7bit'; | ||
|  |                     $this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $content_transfer_encoding['value']) : $body) : null; | ||
|  |                     break; | ||
|  |             } | ||
|  | 
 | ||
|  |         } else { | ||
|  |             $ctype = explode('/', $default_ctype); | ||
|  |             $return->ctype_primary   = $ctype[0]; | ||
|  |             $return->ctype_secondary = $ctype[1]; | ||
|  |             $this->_include_bodies ? $return->body = ($this->_decode_bodies ? $this->_decodeBody($body) : $body) : null; | ||
|  |         } | ||
|  | 
 | ||
|  |         return $return; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Given the output of the above function, this will return an | ||
|  |      * array of references to the parts, indexed by mime number. | ||
|  |      * | ||
|  |      * @param  object $structure   The structure to go through | ||
|  |      * @param  string $mime_number Internal use only. | ||
|  |      * @return array               Mime numbers | ||
|  |      */ | ||
|  |     function &getMimeNumbers(&$structure, $no_refs = false, $mime_number = '', $prepend = '') | ||
|  |     { | ||
|  |         $return = array(); | ||
|  |         if (!empty($structure->parts)) { | ||
|  |             if ($mime_number != '') { | ||
|  |                 $structure->mime_id = $prepend . $mime_number; | ||
|  |                 $return[$prepend . $mime_number] = &$structure; | ||
|  |             } | ||
|  |             for ($i = 0; $i < count($structure->parts); $i++) { | ||
|  | 
 | ||
|  |              | ||
|  |                 if (!empty($structure->headers['content-type']) AND substr(strtolower($structure->headers['content-type']), 0, 8) == 'message/') { | ||
|  |                     $prepend      = $prepend . $mime_number . '.'; | ||
|  |                     $_mime_number = ''; | ||
|  |                 } else { | ||
|  |                     $_mime_number = ($mime_number == '' ? $i + 1 : sprintf('%s.%s', $mime_number, $i + 1)); | ||
|  |                 } | ||
|  | 
 | ||
|  |                 $arr = &Mail_mimeDecode::getMimeNumbers($structure->parts[$i], $no_refs, $_mime_number, $prepend); | ||
|  |                 foreach ($arr as $key => $val) { | ||
|  |                     $no_refs ? $return[$key] = '' : $return[$key] = &$arr[$key]; | ||
|  |                 } | ||
|  |             } | ||
|  |         } else { | ||
|  |             if ($mime_number == '') { | ||
|  |                 $mime_number = '1'; | ||
|  |             } | ||
|  |             $structure->mime_id = $prepend . $mime_number; | ||
|  |             $no_refs ? $return[$prepend . $mime_number] = '' : $return[$prepend . $mime_number] = &$structure; | ||
|  |         } | ||
|  |          | ||
|  |         return $return; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Given a string containing a header and body | ||
|  |      * section, this function will split them (at the first | ||
|  |      * blank line) and return them. | ||
|  |      * | ||
|  |      * @param string Input to split apart | ||
|  |      * @return array Contains header and body section | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     function _splitBodyHeader($input) | ||
|  |     { | ||
|  |         if (preg_match("/^(.*?)\r?\n\r?\n(.*)/s", $input, $match)) { | ||
|  |             return array($match[1], $match[2]); | ||
|  |         } | ||
|  |         $this->_error = 'Could not split header and body'; | ||
|  |         return false; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Parse headers given in $input and return | ||
|  |      * as assoc array. | ||
|  |      * | ||
|  |      * @param string Headers to parse | ||
|  |      * @return array Contains parsed headers | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     function _parseHeaders($input) | ||
|  |     { | ||
|  | 
 | ||
|  |         if ($input !== '') { | ||
|  |             // Unfold the input
 | ||
|  |             $input   = preg_replace("/\r?\n/", "\r\n", $input); | ||
|  |             $input   = preg_replace("/\r\n(\t| )+/", ' ', $input); | ||
|  |             $headers = explode("\r\n", trim($input)); | ||
|  | 
 | ||
|  |             foreach ($headers as $value) { | ||
|  |                 $hdr_name = substr($value, 0, $pos = strpos($value, ':')); | ||
|  |                 $hdr_value = substr($value, $pos+1); | ||
|  |                 if($hdr_value[0] == ' ') | ||
|  |                     $hdr_value = substr($hdr_value, 1); | ||
|  | 
 | ||
|  |                 $return[] = array( | ||
|  |                                   'name'  => $hdr_name, | ||
|  |                                   'value' => $this->_decode_headers ? $this->_decodeHeader($hdr_value) : $hdr_value | ||
|  |                                  ); | ||
|  |             } | ||
|  |         } else { | ||
|  |             $return = array(); | ||
|  |         } | ||
|  | 
 | ||
|  |         return $return; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Function to parse a header value, | ||
|  |      * extract first part, and any secondary | ||
|  |      * parts (after ;) This function is not as | ||
|  |      * robust as it could be. Eg. header comments | ||
|  |      * in the wrong place will probably break it. | ||
|  |      * | ||
|  |      * @param string Header value to parse | ||
|  |      * @return array Contains parsed result | ||
|  |      * @access private | ||
|  |      */ | ||
|  |     function _parseHeaderValue($input) | ||
|  |     { | ||
|  | 
 | ||
|  |         if (($pos = strpos($input, ';')) !== false) { | ||
|  | 
 | ||
|  |             $return['value'] = trim(substr($input, 0, $pos)); | ||
|  |             $input = trim(substr($input, $pos+1)); | ||
|  | 
 | ||
|  |             if (strlen($input) > 0) { | ||
|  | 
 | ||
|  |                 // This splits on a semi-colon, if there's no preceeding backslash
 | ||
|  |                 // Now works with quoted values; had to glue the \; breaks in PHP
 | ||
|  |                 // the regex is already bordering on incomprehensible
 | ||
|  |                 $splitRegex = '/([^;\'"]*[\'"]([^\'"]*([^\'"]*)*)[\'"][^;\'"]*|([^;]+))(;|$)/'; | ||
|  |                 preg_match_all($splitRegex, $input, $matches); | ||
|  |                 $parameters = array(); | ||
|  |                 for ($i=0; $i<count($matches[0]); $i++) { | ||
|  |                     $param = $matches[0][$i]; | ||
|  |                     while (substr($param, -2) == '\;') { | ||
|  |                         $param .= $matches[0][++$i]; | ||
|  |                     } | ||
|  |                     $parameters[] = $param; | ||
|  |                 } | ||
|  | 
 | ||
|  |                 for ($i = 0; $i < count($parameters); $i++) { | ||
|  |                     $param_name  = trim(substr($parameters[$i], 0, $pos = strpos($parameters[$i], '=')), "'\";\t\\ "); | ||
|  |                     $param_value = trim(str_replace('\;', ';', substr($parameters[$i], $pos + 1)), "'\";\t\\ "); | ||
|  |                     if ($param_value[0] == '"') { | ||
|  |                         $param_value = substr($param_value, 1, -1); | ||
|  |                     } | ||
|  |                     $return['other'][$param_name] = $param_value; | ||
|  |                     $return['other'][strtolower($param_name)] = $param_value; | ||
|  |                 } | ||
|  |             } | ||
|  |         } else { | ||
|  |             $return['value'] = trim($input); | ||
|  |         } | ||
|  | 
 | ||
|  |         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) | ||
|  |     { | ||
|  |         $parts = array(); | ||
|  | 
 | ||
|  |         $bs_possible = substr($boundary, 2, -2); | ||
|  |         $bs_check = '\"' . $bs_possible . '\"'; | ||
|  | 
 | ||
|  |         if ($boundary == $bs_check) { | ||
|  |             $boundary = $bs_possible; | ||
|  |         } | ||
|  | 
 | ||
|  |         $tmp = explode('--' . $boundary, $input); | ||
|  | 
 | ||
|  |         for ($i = 1; $i < count($tmp) - 1; $i++) { | ||
|  |             $parts[] = $tmp[$i]; | ||
|  |         } | ||
|  | 
 | ||
|  |         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) | ||
|  |     { | ||
|  |         // 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; | ||
|  |             } | ||
|  | 
 | ||
|  |             $input = str_replace($encoded, $text, $input); | ||
|  |         } | ||
|  | 
 | ||
|  |         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
 | ||
|  | 		$input = preg_replace('/=([a-f0-9]{2})/ie', "chr(hexdec('\\1'))", $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
 |