"TYPO3 4.0.1: typo3_src-4.0.1/t3lib/class.t3lib_readmail.php Source File", "datetime" => "Sat Dec 2 19:22:18 2006", "date" => "2 Dec 2006", "doxygenversion" => "1.4.6", "projectname" => "TYPO3 4.0.1", "projectnumber" => "4.0.1" ); get_header($doxygen_vars); ?>

class.t3lib_readmail.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 1999-2006 Kasper Skaarhoj (kasperYYYY@typo3.com)
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*  A copy is found in the textfile GPL.txt and important notices to the license
*  from the author is found in LICENSE.txt distributed with these scripts.
*
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
class t3lib_readmail {
        var $dateAbbrevs = array(
                'JAN' => 1,
                'FEB' => 2,
                'MAR' => 3,
                'APR' => 4,
                'MAY' => 5,
                'JUN' => 6,
                'JUL' => 7,
                'AUG' => 8,
                'SEP' => 9,
                'OCT' => 10,
                'NOV' => 11,
                'DEC' => 12
        );
        var $serverGMToffsetMinutes = 60;               // = +0100 (CET)

        /*******************************
         *
         * General
         *
         ********************************/

        function getMessage($mailParts) {
                if ($mailParts['content-type']) {
                        $CType = $this->getCType($mailParts['content-type']);
                        if ($CType['boundary']) {
                                $parts = $this->getMailBoundaryParts($CType['boundary'],$mailParts['CONTENT']);
                                $c=$this->getTextContent($parts[0]);
                        } else {
                                $c=$this->getTextContent(
                                        'Content-Type: '.$mailParts['content-type'].'
                                        '.$mailParts['CONTENT']
                                );
                        }
                } else {
                        $c = $mailParts['CONTENT'];
                }
                return $c;
        }

        function getTextContent($content)       {
                $p=$this->extractMailHeader($content);
                // Here some decoding might be needed...
                // However we just return what is believed to be the proper notification:
                return $p['CONTENT'];
        }

        function getMailBoundaryParts($boundary,$content)       {
                $mParts = explode('--'.$boundary,$content);
                unset($mParts[0]);
                reset($mParts);
                $new=array();
                while(list(,$val)=each($mParts))        {
                        if (trim($val)=='--') break;
                        $new[] = ltrim($val);
                }
                return $new;
        }

        function getCType($str) {
                $parts = explode(';',$str);
                $cTypes=array();
                $cTypes['ContentType']=$parts[0];
                next($parts);
                while(list(,$ppstr)=each($parts))       {
                        $mparts = explode('=',$ppstr,2);
                        if (count($mparts)>1)   {
                                $cTypes[strtolower(trim($mparts[0]))]=ereg_replace('^"','',trim(ereg_replace('"$','',trim($mparts[1]))));
                        } else {
                                $cTypes[]=$ppstr;
                        }
                }
                return $cTypes;
        }

        function analyseReturnError($c) {
                $cp=array();
                if (strstr($c,'--- Below this line is a copy of the message.')) {               // QMAIL
                        list($c)=explode('--- Below this line is a copy of the message.',$c);   // Splits by the QMAIL divider
                        $cp['content']=trim($c);
                        $parts = explode('>:',$c,2);
                        $cp['reason_text']=trim($parts[1]);
                        $cp['mailserver']='Qmail';
                        if (eregi('550|no mailbox|account does not exist',$cp['reason_text']))  {
                                $cp['reason']=550;      // 550 Invalid recipient
                        } elseif (stristr($cp['reason_text'],'couldn\'t find any host named')) {
                                $cp['reason']=2;        // Bad host
                        } elseif (eregi('Error in Header|invalid Message-ID header',$cp['reason_text'])) {
                                $cp['reason']=554;
                        } else {
                                $cp['reason']=-1;
                        }
                } elseif (strstr($c,'The Postfix program'))     {               // Postfix
                        $cp['content']=trim($c);
                        $parts = explode('>:',$c,2);
                        $cp['reason_text']=trim($parts[1]);
                        $cp['mailserver']='Postfix';
                        if (stristr($cp['reason_text'],'550'))  {
                                $cp['reason']=550;      // 550 Invalid recipient, User unknown
                        } elseif (stristr($cp['reason_text'],'553')) {
                                $cp['reason']=553;      // No such user
                        } elseif (stristr($cp['reason_text'],'551')) {
                                $cp['reason']=551;      // Mailbox full
                        } else {
                                $cp['reason']=-1;
                        }
                } else {        // No-named:
                        $cp['content']=trim($c);
                        $cp['reason_text']=trim(substr($c,0,1000));
                        $cp['mailserver']='unknown';
                        if (eregi('Unknown Recipient|Delivery failed 550|Receiver not found|User not listed|recipient problem|Delivery to the following recipients failed|User unknown|recipient name is not recognized',$cp['reason_text']))   {
                                $cp['reason']=550;      // 550 Invalid recipient, User unknown
                        } elseif (eregi('over quota|mailbox full',$cp['reason_text']))  {
                                $cp['reason']=551;
                        } elseif (eregi('Error in Header',$cp['reason_text']))  {
                                $cp['reason']=554;
                        } else {
                                $cp['reason']=-1;
                        }
                }

                return $cp;
        }

        function decodeHeaderString($str)       {
                $parts = explode('=?',$str,2);
                if (count($parts)==2)   {
                        list($charset,$encType,$encContent)=explode('?',$parts[1],3);
                        $subparts =explode('?=',$encContent,2);
                        $encContent=$subparts[0];

                        switch(strtolower($encType))    {
                                case 'q':
                                        $encContent = quoted_printable_decode($encContent);
                                        $encContent = str_replace('_',' ',$encContent);
                                break;
                                case 'b':
                                        $encContent=base64_decode($encContent);
                                break;
                        }

                        $parts[1]=$encContent.$this->decodeHeaderString($subparts[1]);  // Calls decodeHeaderString recursively for any subsequent encoded section.
                }
                return implode('',$parts);
        }

        function extractNameEmail($str) {
                $outArr=array();

                        // Email:
                $reg='';
                ereg('<([^>]*)>',$str,$reg);
                if (t3lib_div::validEmail($str)) {
                        $outArr['email']=$str;
                } elseif ($reg[1] && t3lib_div::validEmail($reg[1]))    {
                        $outArr['email']=$reg[1];
                                // Find name:
                        list($namePart)=explode($reg[0],$str);
                        if (trim($namePart))    {
                                $reg='';
                                ereg('"([^"]*)"',$str,$reg);
                                if (trim($reg[1]))      {
                                        $outArr['name']=trim($reg[1]);
                                } else $outArr['name']=trim($namePart);
                        }
                }
                return $outArr;
        }

        function getContentTypeData($contentTypeStr)    {
                $outValue=array();
                $cTypeParts = t3lib_div::trimExplode(';',$contentTypeStr,1);
                $outValue['_MIME_TYPE']=$cTypeParts[0]; // content type, first value is supposed to be the mime-type, whatever after the first is something else.

                reset($cTypeParts);
                next($cTypeParts);
                while(list(,$v)=Each($cTypeParts))      {
                        $reg='';
                        eregi('([^=]*)="(.*)"',$v,$reg);
                        if (trim($reg[1]) && trim($reg[2]))     {
                                $outValue[strtolower($reg[1])] = $reg[2];
                        }
                }
                return $outValue;
        }

        function makeUnixDate($dateStr) {
                $dateParts=explode(',',$dateStr);
                $dateStr=count($dateParts)>1 ? $dateParts[1] : $dateParts[0];

                $spaceParts = t3lib_div::trimExplode(' ',$dateStr,1);

                $spaceParts[1]=$this->dateAbbrevs[strtoupper($spaceParts[1])];
                $timeParts = explode(':',$spaceParts[3]);
                $timeStamp = mktime ($timeParts[0], $timeParts[1], $timeParts[2], $spaceParts[1], $spaceParts[0], $spaceParts[2]);

                $offset = $this->getGMToffset($spaceParts[4]);
                $timeStamp-=($offset*60);       // Compensates for GMT by subtracting the number of seconds which the date is offset from serverTime

                return $timeStamp;
        }

        function getGMToffset($GMT)     {
                $GMToffset=substr($GMT,1,2)*60+substr($GMT,3,2);
                $GMToffset*=substr($GMT,0,1)=='+'?1:-1;
                $GMToffset-=$this->serverGMToffsetMinutes;
                return $GMToffset;
        }

        function extractMailHeader($content,$limit=0)   {
                if ($limit)     $content = substr($content,0,$limit);

                $lines=explode(chr(10),ltrim($content));
                $headers=array();
                $p='';
                while(list($k,$str)=each($lines))               {
                        if (!trim($str))        break;  // header finished
                        $parts = explode(' ',$str,2);
                        if ($parts[0] && substr($parts[0],-1)==':')     {
                                $p=strtolower(substr($parts[0],0,-1));
                                if (isset($headers[$p]))        {
                                        $headers[$p.'.'][]=$headers[$p];
                                        $headers[$p]='';
                                }
                                $headers[$p]=trim($parts[1]);
                        } else {
                                $headers[$p].=' '.trim($str);
                        }
                        unset($lines[$k]);
                }
                if (!$limit)    $headers['CONTENT']=ltrim(implode(chr(10),$lines));
                return $headers;
        }

        function fullParse($content)    {
                        // *************************
                        // PROCESSING the HEADER part of the mail
                        // *************************

                        // Splitting header and body of mail:
                $mailParts = $this->extractMailHeader($content);

                        // Decoding header values which potentially can be encoded by =?...?=
                $list = explode(',','subject,thread-topic,from,to');
                while(list(,$headerType)=each($list))   {
                        if (isset($mailParts[$headerType]))     $mailParts[$headerType]=$this->decodeHeaderString($mailParts[$headerType]);
                }
                        // Separating email/names from header fields which can contain email addresses.
                $list = explode(',','from,to,reply-to,sender,return-path');
                while(list(,$headerType)=each($list))   {
                        if (isset($mailParts[$headerType]))     {
                                $mailParts['_'.strtoupper($headerType)]=$this->extractNameEmail($mailParts[$headerType]);
                        }
                }
                        // Decode date from human-readable format to unix-time (includes compensation for GMT CET)
                $mailParts['_DATE']=$this->makeUnixDate($mailParts['date']);

                        // Transfer encodings of body content
                switch(strtolower($mailParts['content-transfer-encoding']))     {
                        case 'quoted-printable':
                                $mailParts['CONTENT']=quoted_printable_decode($mailParts['CONTENT']);
                        break;
                        case 'base64':
                                $mailParts['CONTENT']=base64_decode($mailParts['CONTENT']);
                        break;
                }

                        // Content types
                $mailParts['_CONTENT_TYPE_DAT']=$this->getContentTypeData($mailParts['content-type']);


                        // *************************
                        // PROCESSING the CONTENT part of the mail (the body)
                        // *************************
                $cType = strtolower($mailParts['_CONTENT_TYPE_DAT']['_MIME_TYPE']);
                $cType = substr($cType,0,9);    // only looking for 'multipart' in string.
                switch($cType)  {
/*                      case 'multipart/mixed':
                        case 'multipart/related':
                        case 'multipart/alternative':
                        case 'multipart/signed':
*/
                        case 'multipart':
                                if ($mailParts['_CONTENT_TYPE_DAT']['boundary'])        {
                                        $contentSectionParts = t3lib_div::trimExplode('--'.$mailParts['_CONTENT_TYPE_DAT']['boundary'],$mailParts['CONTENT'],1);
                                        $contentSectionParts_proc=array();

                                        reset($contentSectionParts);
                                        while(list($k,$v)=each($contentSectionParts))   {
                                                if (substr($v,0,2)=='--')       break;
                                                $contentSectionParts_proc[$k]=$this->fullParse($v);
                                        }
                                        $mailParts['CONTENT']=$contentSectionParts_proc;
                                } else $mailParts['CONTENT'] = 'ERROR: No boundary found.';
                        break;
                        default:
                                if (strtolower($mailParts['_CONTENT_TYPE_DAT']['charset'])=='utf-8')    {
                                        $mailParts['CONTENT']=utf8_decode($mailParts['CONTENT']);
                                }
                        break;
                }
                return $mailParts;
        }
}

if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_readmail.php'])  {
        include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_readmail.php']);
}
?>