Efax.php

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<?php
 
namespace GetId3\Module\Graphic;
 
use GetId3\Handler\BaseHandler;
use GetId3\Lib\Helper;
 
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //
// See readme.txt for more details                             //
//                                                             //
// module.archive.efax.php                                     //
// module for analyzing eFax files                             //
// dependencies: NONE                                          //
//                                                            ///
 
class Efax extends BaseHandler
{
 
    public function analyze()
    {
        $info = &$this->getid3->info;
 
        fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
        $efaxheader = fread($this->getid3->fp, 1024);
 
        $info['efax']['header']['magic'] = substr($efaxheader, 0, 2);
        if ($info['efax']['header']['magic'] != "\xDC\xFE") {
            $info['error'][] = 'Invalid eFax byte order identifier (expecting DC FE, found '.Helper::PrintHexBytes($info['efax']['header']['magic']).') at offset '.$info['avdataoffset'];
 
            return false;
        }
        $info['fileformat'] = 'efax';
 
        $info['efax']['header']['filesize'] = Helper::LittleEndian2Int(substr($efaxheader, 2, 4));
        if ($info['efax']['header']['filesize'] != $info['filesize']) {
            $info['error'][] = 'Probable '.(($info['efax']['header']['filesize'] > $info['filesize']) ? 'truncated' : 'corrupt').' file, expecting '.$info['efax']['header']['filesize'].' bytes, found '.$info['filesize'].' bytes';
        }
        $info['efax']['header']['software1'] =                        rtrim(substr($efaxheader,  26, 32), "\x00");
        $info['efax']['header']['software2'] =                        rtrim(substr($efaxheader,  58, 32), "\x00");
        $info['efax']['header']['software3'] =                        rtrim(substr($efaxheader,  90, 32), "\x00");
 
        $info['efax']['header']['pages']      = Helper::LittleEndian2Int(substr($efaxheader, 198, 2));
        $info['efax']['header']['data_bytes'] = Helper::LittleEndian2Int(substr($efaxheader, 202, 4));
 
$info['error'][] = 'eFax parsing not enabled in this version of GetId3Core() ['.$this->getid3->version().']';
return false;
 
        return true;
    }
 
}