module.graphic.efax.php 2.5 KB

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  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. class getid3_efax extends getid3_handler
  17. {
  18. public function Analyze() {
  19. $info = &$this->getid3->info;
  20. $this->fseek($info['avdataoffset']);
  21. $efaxheader = $this->fread(1024);
  22. $info['efax']['header']['magic'] = substr($efaxheader, 0, 2);
  23. if ($info['efax']['header']['magic'] != "\xDC\xFE") {
  24. $info['error'][] = 'Invalid eFax byte order identifier (expecting DC FE, found '.getid3_lib::PrintHexBytes($info['efax']['header']['magic']).') at offset '.$info['avdataoffset'];
  25. return false;
  26. }
  27. $info['fileformat'] = 'efax';
  28. $info['efax']['header']['filesize'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 2, 4));
  29. if ($info['efax']['header']['filesize'] != $info['filesize']) {
  30. $info['error'][] = 'Probable '.(($info['efax']['header']['filesize'] > $info['filesize']) ? 'truncated' : 'corrupt').' file, expecting '.$info['efax']['header']['filesize'].' bytes, found '.$info['filesize'].' bytes';
  31. }
  32. $info['efax']['header']['software1'] = rtrim(substr($efaxheader, 26, 32), "\x00");
  33. $info['efax']['header']['software2'] = rtrim(substr($efaxheader, 58, 32), "\x00");
  34. $info['efax']['header']['software3'] = rtrim(substr($efaxheader, 90, 32), "\x00");
  35. $info['efax']['header']['pages'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 198, 2));
  36. $info['efax']['header']['data_bytes'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 202, 4));
  37. $info['error'][] = 'eFax parsing not enabled in this version of getID3() ['.$this->getid3->version().']';
  38. return false;
  39. return true;
  40. }
  41. }