/usr/share/php/Horde/Text/Filter/JavascriptMinify.php is in php-horde-text-filter 2.2.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* This filter cleans up javascript output by running it through an
* optimizer/compressor.
*
* Copyright 2009-2014 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @deprecated Use Horde_JavascriptMinify package instead.
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Text_Filter
*/
class Horde_Text_Filter_JavascriptMinify extends Horde_Text_Filter_Base
{
/**
* Filter parameters.
*
* @var array
*/
protected $_params = array(
'closure' => null,
'java' => null,
'yui' => null
);
/**
* Executes any code necessary after applying the filter patterns.
*
* @param string $text The text after the filtering.
*
* @return string The modified text.
*/
public function postProcess($text)
{
if (!empty($this->_params['java'])) {
/* Are we using the YUI Compressor? */
if (!empty($this->_params['yui'])) {
return $this->_runCompressor($text, $this->_params['yui'], ' --type js');
}
/* Are we using the Google Closure Compiler? */
if (!empty($this->_params['closure'])) {
return $this->_runCompressor($text, $this->_params['closure']);
}
}
/* Use PHP-based minifier. */
if (class_exists('Horde_Text_Filter_Jsmin')) {
$jsmin = new Horde_Text_Filter_Jsmin($text);
try {
return $jsmin->minify();
} catch (Exception $e) {}
}
return $text;
}
/**
* Passes javascript through a java compressor (YUI or Closure).
*
* @param string $text The javascript text.
* @param string $jar The JAR location.
* @param string $args Additional command line arguments.
*
* @return string The modified text.
*/
protected function _runCompressor($text, $jar, $args = '')
{
if (!is_executable($this->_params['java']) ||
!file_exists($jar)) {
return $text;
}
$descspec = array(
0 => array('pipe', 'r'),
1 => array('pipe', 'w'),
2 => array('pipe', 'w')
);
$process = proc_open(escapeshellcmd($this->_params['java']) . ' -jar ' . escapeshellarg($jar) . $args, $descspec, $pipes);
fwrite($pipes[0], $text);
fclose($pipes[0]);
$out = '';
while (!feof($pipes[1])) {
$out .= fread($pipes[1], 8192);
}
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($process);
return $out;
}
}
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