www/plugins-dist/medias/lib/getid3/module.graphic.efax.php

   1 <?php
   2 /////////////////////////////////////////////////////////////////
   3 /// getID3() by James Heinrich <info@getid3.org>               //
   4 //  available at http://getid3.sourceforge.net                 //
   5 //            or http://www.getid3.org                         //
   6 //          also https://github.com/JamesHeinrich/getID3       //
   7 /////////////////////////////////////////////////////////////////
   8 // See readme.txt for more details                             //
   9 /////////////////////////////////////////////////////////////////
  10 //                                                             //
  11 // module.archive.efax.php                                     //
  12 // module for analyzing eFax files                             //
  13 // dependencies: NONE                                          //
  14 //                                                            ///
  15 /////////////////////////////////////////////////////////////////
  16
  17
  18 class getid3_efax extends getid3_handler
  19 {
  20
  21         public function Analyze() {
  22                 $info = &$this->getid3->info;
  23
  24                 $this->fseek($info['avdataoffset']);
  25                 $efaxheader = $this->fread(1024);
  26
  27                 $info['efax']['header']['magic'] = substr($efaxheader, 0, 2);
  28                 if ($info['efax']['header']['magic'] != "\xDC\xFE") {
  29                         $this->error('Invalid eFax byte order identifier (expecting DC FE, found '.getid3_lib::PrintHexBytes($info['efax']['header']['magic']).') at offset '.$info['avdataoffset']);
  30                         return false;
  31                 }
  32                 $info['fileformat'] = 'efax';
  33
  34                 $info['efax']['header']['filesize'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 2, 4));
  35                 if ($info['efax']['header']['filesize'] != $info['filesize']) {
  36                         $this->error('Probable '.(($info['efax']['header']['filesize'] > $info['filesize']) ? 'truncated' : 'corrupt').' file, expecting '.$info['efax']['header']['filesize'].' bytes, found '.$info['filesize'].' bytes');
  37                 }
  38                 $info['efax']['header']['software1'] =                        rtrim(substr($efaxheader,  26, 32), "\x00");
  39                 $info['efax']['header']['software2'] =                        rtrim(substr($efaxheader,  58, 32), "\x00");
  40                 $info['efax']['header']['software3'] =                        rtrim(substr($efaxheader,  90, 32), "\x00");
  41
  42                 $info['efax']['header']['pages']      = getid3_lib::LittleEndian2Int(substr($efaxheader, 198, 2));
  43                 $info['efax']['header']['data_bytes'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 202, 4));
  44
  45 $this->error('eFax parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
  46 return false;
  47
  48                 return true;
  49         }
  50
  51 }