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- <?php
- class getid3_szip
- {
- function getid3_szip(&$fd, &$ThisFileInfo) {
- fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
- $SZIPHeader = fread($fd, 6);
- if (substr($SZIPHeader, 0, 4) != 'SZ'."\x0A\x04") {
- $ThisFileInfo['error'][] = 'Expecting "SZ[x0A][x04]" at offset '.$ThisFileInfo['avdataoffset'].', found "'.substr($SZIPHeader, 0, 4).'"';
- return false;
- }
- $ThisFileInfo['fileformat'] = 'szip';
- $ThisFileInfo['szip']['major_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 4, 1));
- $ThisFileInfo['szip']['minor_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 5, 1));
- while (!feof($fd)) {
- $NextBlockID = fread($fd, 2);
- switch ($NextBlockID) {
- case 'SZ':
-
-
-
- fseek($fd, 4, SEEK_CUR);
- break;
- case 'BH':
- $BHheaderbytes = getid3_lib::BigEndian2Int(fread($fd, 3));
- $BHheaderdata = fread($fd, $BHheaderbytes);
- $BHheaderoffset = 0;
- while (strpos($BHheaderdata, "\x00", $BHheaderoffset) > 0) {
-
-
-
-
-
-
-
-
- $BHdataArray['filename'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
- $BHheaderoffset += (strlen($BHdataArray['filename']) + 1);
- $BHdataArray['owner'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
- $BHheaderoffset += (strlen($BHdataArray['owner']) + 1);
- $BHdataArray['group'] = substr($BHheaderdata, $BHheaderoffset, strcspn($BHheaderdata, "\x00"));
- $BHheaderoffset += (strlen($BHdataArray['group']) + 1);
- $BHdataArray['filelength'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 3));
- $BHheaderoffset += 3;
- $BHdataArray['access_flags'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 2));
- $BHheaderoffset += 2;
- $BHdataArray['creation_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
- $BHheaderoffset += 4;
- $BHdataArray['modification_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
- $BHheaderoffset += 4;
- $BHdataArray['access_time'] = getid3_lib::BigEndian2Int(substr($BHheaderdata, $BHheaderoffset, 4));
- $BHheaderoffset += 4;
- $ThisFileInfo['szip']['BH'][] = $BHdataArray;
- }
- break;
- default:
- break 2;
- }
- }
- return true;
- }
- }
- ?>
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