45 lines
1.7 KiB
PHP
45 lines
1.7 KiB
PHP
<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at https://github.com/JamesHeinrich/getID3 //
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// or https://www.getid3.org //
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// or http://getid3.sourceforge.net //
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// see readme.txt for more details //
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/////////////////////////////////////////////////////////////////
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// //
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// module.archive.xz.php //
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// module for analyzing XZ files //
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// dependencies: NONE //
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// ///
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/////////////////////////////////////////////////////////////////
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if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
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exit;
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}
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class getid3_xz extends getid3_handler
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{
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/**
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* @return bool
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*/
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public function Analyze() {
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$info = &$this->getid3->info;
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$this->fseek($info['avdataoffset']);
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$xzheader = $this->fread(6);
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// https://tukaani.org/xz/xz-file-format-1.0.4.txt
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$info['xz']['stream_header']['magic'] = substr($xzheader, 0, 6);
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if ($info['xz']['stream_header']['magic'] != "\xFD".'7zXZ'."\x00") {
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$this->error('Invalid XZ stream header magic (expecting FD 37 7A 58 5A 00, found '.getid3_lib::PrintHexBytes($info['xz']['stream_header']['magic']).') at offset '.$info['avdataoffset']);
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return false;
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}
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$info['fileformat'] = 'xz';
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$this->error('XZ parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
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return false;
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}
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}
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