name : module.archive.hpk.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)); $info['hpk']['header']['filesystem_entries'] = getid3_lib::SafeDiv($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; } }