Extraction des éléments d'un fichier *.msg.

une class trouvé sur le net :
Code:
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<?php
    // parse an incoming mail
    // Version 0.5, 2005/03/16
    // Copyright (c) Frank Rust, TU Braunschweig (f.rust@tu-bs.de)
    //
    // This code 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.
    // 
    // This code 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.
    // 
    // Since this is a very short Program the GNU General Public License
    // is not included. Please find it on the website of the Open Software
    // Foundation at
    //     http://www.fsf.org/licensing/licenses/lgpl.txt
    // or write to the Free Software Foundation, Inc., 59 Temple Place, 
    // Suite 330, Boston, MA  02111-1307  USA
 
    class parseMail {
        var $from="";
        var $to="";
        var $subject="";
        var $received="";
        var $date="";
        var $message_id="";
        var $content_type="";
        var $part =array();
 
        // decode a mail header
        function parseMail($text="") {
            $start=0;
            $lastheader="";
            while (true) {
                $end=strpos($text,"\n",$start);
                $line=substr($text,$start,$end-$start);
                $start=$end+1;
                if ($line=="") break; // end of headers!
                if (substr($line,0,1)=="\t") {
                    $$last.="\n".$line;
                }
                if (preg_match("/^(From:)\s*(.*)$/",$line,$matches)) {
                    $last="from";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Received:)\s*(.*)$/",$line,$matches)) {
                    $last="received";
                    $$last=$matches[2];
                }
                if (preg_match("/^(To:)\s*(.*)$/",$line,$matches)) {
                    $last="to";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Subject:)\s*(.*)$/",$line,$matches)) {
                    $last="subject";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Date:)\s*(.*)$/",$line,$matches)) {
                    $last="date";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Content-Type:)\s*(.*)$/",$line,$matches)) {
                    $last="content_type";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Message-Id:)\s*(.*)$/",$line,$matches)) {
                    $last="message_id";
                    $$last=$matches[2];
                }
            }
            $this->from=$from;
            $this->received=$received;
            $this->to=$to;
            $this->subject=$subject;
            $this->date=$date;
            $this->content_type=$content_type;
            $this->message_id=$message_id;
 
            if (preg_match("/^multipart\/mixed;/",$content_type)) {
                $b=strpos($content_type,"boundary=");
                $boundary=substr($content_type,$b+strlen("boundary="));
                $boundary=substr($boundary,1,strlen($boundary)-2);
                $this->multipartSplit($boundary,substr($text,$start));
 
            } else {
                $this->part[0]['Content-Type']=$content_type;
                $this->part[0]['content']=substr($text,$start);
            }
        }
        // decode a multipart header 
        function multipartHeaders($partid,$mailbody) {
            $text=substr($mailbody,$this->part[$partid]['start'],
                         $this->part[$partid]['ende']-$this->part[$partid]['start']);
 
            $start=0;
            $lastheader="";
            while (true) {
                $end=strpos($text,"\n",$start);
                $line=substr($text,$start,$end-$start);
                $start=$end+1;
                if ($line=="") break; // end of headers!
                if (substr($line,0,1)=="\t") {
                    $$last.="\n".$line;
                }
                if (preg_match("/^(Content-Type:)\s*(.*)$/",$line,$matches)) {
                    $last="c_t";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Content-Transfer-Encoding:)\s*(.*)$/",$line,$matches)) {
                    $last="c_t_e";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Content-Description:)\s*(.*)$/",$line,$matches)) {
                    $last="c_desc";
                    $$last=$matches[2];
                }
                if (preg_match("/^(Content-Disposition:)\s*(.*)$/",$line,$matches)) {
                    $last="c_disp";
                    $$last=$matches[2];
                }
            }
            if ($c_t_e=="base64") {
                $this->part[$partid]['content']=base64_decode(substr($text,$start));
                $c_t_e="8bit";
            } else {
                $this->part[$partid]['content']=substr($text,$start);    
            }
            $this->part[$partid]['Content-Type']=$c_t;
            $this->part[$partid]['Content-Transfer-Encoding']=$c_t_e;
            $this->part[$partid]['Content-Description']=$c_desc;
            $this->part[$partid]['Content-Disposition']=$c_disp;
            unset($this->part[$partid]['start']);
            unset($this->part[$partid]['ende']);
        }
        // we have a multipart message body
        // split the parts 
        function multipartSplit($boundary,$text) {
            $start=0;
            $b_len=strlen("--".$boundary);
            $partcount=0;
            while (true) { // should have an emergency exit...
                $end=strpos($text,"--".$boundary,$start);
                if (substr($text,$end+$b_len,1)=="\n") {
                    // '\n' => part boundary
                    $this->part[$partcount]['start']=$end+$b_len+1;
                    if ($partcount) { 
                        $this->part[$partcount-1]['ende']=$end-1;
                        $this->multipartHeaders($partcount-1,$text);
                    }
                    $start=$end+$b_len+1;
                    $partcount++;
                } else {
                    // '--' => end boundary
                    $this->part[$partcount-1]['ende']=$end-1;                
                    $this->multipartHeaders($partcount-1,$text);
                    break;
                }
            }    
        }
    } 
 
?>