diff options
Diffstat (limited to 'includes/getid3/module.archive.xz.php')
| -rw-r--r-- | includes/getid3/module.archive.xz.php | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/includes/getid3/module.archive.xz.php b/includes/getid3/module.archive.xz.php new file mode 100644 index 0000000..1557bfb --- /dev/null +++ b/includes/getid3/module.archive.xz.php @@ -0,0 +1,45 @@ +<?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.xz.php // +// module for analyzing XZ files // +// dependencies: NONE // +// /// +///////////////////////////////////////////////////////////////// + +if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers + exit; +} + +class getid3_xz extends getid3_handler +{ + + /** + * @return bool + */ + public function Analyze() { + $info = &$this->getid3->info; + + $this->fseek($info['avdataoffset']); + $xzheader = $this->fread(6); + + // https://tukaani.org/xz/xz-file-format-1.0.4.txt + $info['xz']['stream_header']['magic'] = substr($xzheader, 0, 6); + if ($info['xz']['stream_header']['magic'] != "\xFD".'7zXZ'."\x00") { + $this->error('Invalid XZ stream header magic (expecting FD 37 7A 58 5A 00, found '.getid3_lib::PrintHexBytes($info['xz']['stream_header']['magic']).') at offset '.$info['avdataoffset']); + return false; + } + $info['fileformat'] = 'xz'; + $this->error('XZ parsing not enabled in this version of getID3() ['.$this->getid3->version().']'); + return false; + + } + +} |