mirror of
https://github.com/Poniverse/Pony.fm.git
synced 2024-11-23 13:37:59 +01:00
96 lines
No EOL
3.8 KiB
PHP
96 lines
No EOL
3.8 KiB
PHP
<?php
|
|
/////////////////////////////////////////////////////////////////
|
|
/// getID3() by James Heinrich <info@getid3.org> //
|
|
// available at http://getid3.sourceforge.net //
|
|
// or http://www.getid3.org //
|
|
/////////////////////////////////////////////////////////////////
|
|
// See readme.txt for more details //
|
|
/////////////////////////////////////////////////////////////////
|
|
// //
|
|
// module.archive.szip.php //
|
|
// module for analyzing SZIP compressed files //
|
|
// dependencies: NONE //
|
|
// ///
|
|
/////////////////////////////////////////////////////////////////
|
|
|
|
|
|
class getid3_szip extends getid3_handler
|
|
{
|
|
|
|
function Analyze() {
|
|
$info = &$this->getid3->info;
|
|
|
|
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
|
|
$SZIPHeader = fread($this->getid3->fp, 6);
|
|
if (substr($SZIPHeader, 0, 4) != "SZ\x0A\x04") {
|
|
$info['error'][] = 'Expecting "53 5A 0A 04" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($SZIPHeader, 0, 4)).'"';
|
|
return false;
|
|
}
|
|
$info['fileformat'] = 'szip';
|
|
$info['szip']['major_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 4, 1));
|
|
$info['szip']['minor_version'] = getid3_lib::BigEndian2Int(substr($SZIPHeader, 5, 1));
|
|
|
|
while (!feof($this->getid3->fp)) {
|
|
$NextBlockID = fread($this->getid3->fp, 2);
|
|
switch ($NextBlockID) {
|
|
case 'SZ':
|
|
// Note that szip files can be concatenated, this has the same effect as
|
|
// concatenating the files. this also means that global header blocks
|
|
// might be present between directory/data blocks.
|
|
fseek($this->getid3->fp, 4, SEEK_CUR);
|
|
break;
|
|
|
|
case 'BH':
|
|
$BHheaderbytes = getid3_lib::BigEndian2Int(fread($this->getid3->fp, 3));
|
|
$BHheaderdata = fread($this->getid3->fp, $BHheaderbytes);
|
|
$BHheaderoffset = 0;
|
|
while (strpos($BHheaderdata, "\x00", $BHheaderoffset) > 0) {
|
|
//filename as \0 terminated string (empty string indicates end)
|
|
//owner as \0 terminated string (empty is same as last file)
|
|
//group as \0 terminated string (empty is same as last file)
|
|
//3 byte filelength in this block
|
|
//2 byte access flags
|
|
//4 byte creation time (like in unix)
|
|
//4 byte modification time (like in unix)
|
|
//4 byte access time (like in unix)
|
|
|
|
$BHdataArray['filename'] = substr($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;
|
|
|
|
$info['szip']['BH'][] = $BHdataArray;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break 2;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
?>
|