93 lines
4 KiB
PHP
93 lines
4 KiB
PHP
<?php
|
|
|
|
/////////////////////////////////////////////////////////////////
|
|
/// getID3() by James Heinrich <info@getid3.org> //
|
|
// available at https://github.com/JamesHeinrich/getID3 //
|
|
// or https://www.getid3.org //
|
|
// or http://getid3.sourceforge.net //
|
|
// see readme.txt for more details //
|
|
/////////////////////////////////////////////////////////////////
|
|
// //
|
|
// module.archive.hpk.php //
|
|
// module for analyzing HPK files //
|
|
// dependencies: NONE //
|
|
// ///
|
|
/////////////////////////////////////////////////////////////////
|
|
|
|
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
|
|
exit;
|
|
}
|
|
|
|
class getid3_hpk extends getid3_handler
|
|
{
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function Analyze() {
|
|
$info = &$this->getid3->info;
|
|
|
|
$info['fileformat'] = 'hpk';
|
|
|
|
$this->fseek($info['avdataoffset']);
|
|
$HPKheader = $this->fread(36);
|
|
|
|
if (substr($HPKheader, 0, 4) == 'BPUL') {
|
|
|
|
$info['hpk']['header']['signature'] = substr($HPKheader, 0, 4);
|
|
$info['hpk']['header']['data_offset'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 4, 4));
|
|
$info['hpk']['header']['fragments_per_file'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 8, 4));
|
|
//$info['hpk']['header']['unknown1'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 12, 4));
|
|
$info['hpk']['header']['fragments_residual_offset'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 16, 4));
|
|
$info['hpk']['header']['fragments_residual_count'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 20, 4));
|
|
//$info['hpk']['header']['unknown2'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 24, 4));
|
|
$info['hpk']['header']['fragmented_filesystem_offset'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 28, 4));
|
|
$info['hpk']['header']['fragmented_filesystem_length'] = getid3_lib::LittleEndian2Int(substr($HPKheader, 32, 4));
|
|
|
|
$info['hpk']['header']['filesystem_entries'] = $info['hpk']['header']['fragmented_filesystem_length'] / ($info['hpk']['header']['fragments_per_file'] * 8);
|
|
$this->fseek($info['hpk']['header']['fragmented_filesystem_offset']);
|
|
for ($i = 0; $i < $info['hpk']['header']['filesystem_entries']; $i++) {
|
|
$offset = getid3_lib::LittleEndian2Int($this->fread(4));
|
|
$length = getid3_lib::LittleEndian2Int($this->fread(4));
|
|
$info['hpk']['filesystem'][$i] = array('offset' => $offset, 'length' => $length);
|
|
}
|
|
|
|
$this->error('HPK parsing incomplete (and mostly broken) in this version of getID3() ['.$this->getid3->version().']');
|
|
|
|
/*
|
|
$filename = '';
|
|
$dirs = array();
|
|
foreach ($info['hpk']['filesystem'] as $key => $filesystemdata) {
|
|
$this->fseek($filesystemdata['offset']);
|
|
$first4 = $this->fread(4);
|
|
if (($first4 == 'LZ4 ') || ($first4 == 'ZLIB')) {
|
|
// actual data, ignore
|
|
$info['hpk']['toc'][$key] = array(
|
|
'filename' => ltrim(implode('/', $dirs).'/'.$filename, '/'),
|
|
'offset' => $filesystemdata['offset'],
|
|
'length' => $filesystemdata['length'],
|
|
);
|
|
$filename = '';
|
|
$dirs = array();
|
|
} else {
|
|
$fragment_index = getid3_lib::LittleEndian2Int($first4);
|
|
$fragment_type = getid3_lib::LittleEndian2Int($this->fread(4)); // file = 0, directory = 1
|
|
$name_length = getid3_lib::LittleEndian2Int($this->fread(2));
|
|
if ($fragment_type == 1) {
|
|
$dirs[] = $this->fread($name_length);
|
|
} else {
|
|
$filename = $this->fread($name_length);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
} else {
|
|
$this->error('Expecting "BPUL" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes(substr($HPKheader, 0, 4)).'"');
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
}
|