55 lines
2.5 KiB
PHP
55 lines
2.5 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.efax.php //
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// module for analyzing eFax 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_efax 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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$efaxheader = $this->fread(1024);
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$info['efax']['header']['magic'] = substr($efaxheader, 0, 2);
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if ($info['efax']['header']['magic'] != "\xDC\xFE") {
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$this->error('Invalid eFax byte order identifier (expecting DC FE, found '.getid3_lib::PrintHexBytes($info['efax']['header']['magic']).') at offset '.$info['avdataoffset']);
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return false;
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}
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$info['fileformat'] = 'efax';
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$info['efax']['header']['filesize'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 2, 4));
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if ($info['efax']['header']['filesize'] != $info['filesize']) {
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$this->error('Probable '.(($info['efax']['header']['filesize'] > $info['filesize']) ? 'truncated' : 'corrupt').' file, expecting '.$info['efax']['header']['filesize'].' bytes, found '.$info['filesize'].' bytes');
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}
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$info['efax']['header']['software1'] = rtrim(substr($efaxheader, 26, 32), "\x00");
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$info['efax']['header']['software2'] = rtrim(substr($efaxheader, 58, 32), "\x00");
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$info['efax']['header']['software3'] = rtrim(substr($efaxheader, 90, 32), "\x00");
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$info['efax']['header']['pages'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 198, 2));
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$info['efax']['header']['data_bytes'] = getid3_lib::LittleEndian2Int(substr($efaxheader, 202, 4));
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$this->error('eFax 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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