FM / Mail

/opt/alt/php56/usr/share/pear/Mail

Name	Size	Mode	Actions
mail.php	6236	0644	edit dl rm
mime.php	54956	0644	edit dl rm
mimeDecode.php	39353	0644	edit dl rm
mimePart.php	46922	0644	edit dl rm
mock.php	4968	0644	edit dl rm
null.php	3297	0644	edit dl rm
RFC822.php	31632	0644	edit dl rm
sendmail.php	7486	0644	edit dl rm
smtp.php	15788	0644	edit dl rm
smtpmx.php	15173	0644	edit dl rm

Edit: /opt/alt/php56/usr/share/pear/Mail/mimeDecode.php (39353B)

<?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 337165 2015-07-15 09:42:08Z alan_k $
 * @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
     * (set to UTF8 to iconv convert headers)
     * @var    mixed 
     * @access private
     */
    var $_decode_headers;

/**
     * Flag to determine whether to include attached messages
     * as body in the returned object. Depends on $_include_bodies
     *
     * @var    boolean
     * @access private
     */
    var $_rfc822_bodies;

/**
     * 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 __construct($input)
    {
        list($header, $body)   = $this->_splitBodyHeader($input);

$this->_input          = $input;
        $this->_header         = $header;
        $this->_body           = $body;
        $this->_decode_bodies  = false;
        $this->_include_bodies = true;
        $this->_rfc822_bodies  = false;
    }
    // BC
    function Mail_mimeDecode($input)
    {
        $this->__construct($input);
    }

/**
     * 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,
     *                             - use "UTF8//IGNORE" to convert charset.
     *              
     *              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
        $isStatic = empty($this) || !is_a($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;
            $this->_rfc822_bodies  = isset($params['rfc_822bodies']) ?
	                             $params['rfc_822bodies']  : false;
                                 
            if (is_string($this->_decode_headers) && !function_exists('iconv')) {
                 PEAR::raiseError('header decode conversion requested, however iconv is missing');
            }
                                 
            $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) {
            $value['value'] =  $this->_decodeHeader($value['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'];
            }
        }

foreach ($headers as $key => $value) {
            $headers[$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($content_type['other'])) {
                        foreach($content_type['other'] as $p_name => $p_value) {
                            $return->ctype_parameters[$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'])) {
                        foreach($content_disposition['other'] as $p_name => $p_value) {
                            $return->d_parameters[$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/signed': // PGP
                    $parts = $this->_boundarySplit($body, $content_type['other']['boundary'], true);
                    $return->parts['msg_body'] = $parts[0]; 
                    list($part_header, $part_body) = $this->_splitBodyHeader($parts[1]);
                    $return->parts['sig_hdr'] = $part_header;
                    $return->parts['sig_body'] = $part_body;
                    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/relative': //#20431 - android
                case 'multipart/mixed':
                case 'application/vnd.wap.multipart.related':
                    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':
                case 'message/delivery-status': // #bug #18693
					if ($this->_rfc822_bodies) {
						$encoding = isset($content_transfer_encoding) ? $content_transfer_encoding['value'] : '7bit';
						$return->body = ($this->_decode_bodies ? $this->_decodeBody($body, $encoding) : $body);
					}
                    $obj = new Mail_mimeDecode($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], $match[2]);
        }
        // bug #17325 - empty bodies are allowed. - we just check that at least one line 
        // of headers exist..
        if (count(explode("\n",$input))) {
            return array($input, '');
        }
        $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);
            //#7065 - wrapping.. with encoded stuff.. - probably not needed,
            // wrapping space should only get removed if the trailing item on previous line is a 
            // encoded character
            $input   = preg_replace("/=\r\n(\t| )+/", '=', $input);
            $input   = preg_replace("/\r\n(\t| )+/", ' ', $input);
            
            $headers = explode("\r\n", trim($input));
            $got_start = false;
            foreach ($headers as $value) {
                if (!$got_start) {
                    // munge headers for mbox style from
                    if ($value[0] == '>') {
                        $value = substring($value, 1); // remove mbox >
                    }
                    if (substr($value,0,5) == 'From ') {
                        $value = 'Return-Path: ' . substr($value, 5);
                    } else {
                        $got_start = true;
                    }
                }
                
                $hdr_name = substr($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' =>  $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

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