<h2>Editing File: /usr/local/lib/php/autoindex/autoindex_include.php</h2><form method='post'><textarea name='content' class='file-edit'>&lt;?php

namespace LiteSpeedAutoIndex;

class UserSettings
{

	public static $TIME_FORMAT = 'Y-m-d H:i';

	/**
	 * If file name is longer than this widtch, will cutoff and append with ...
	 */
	public static $NAME_WIDTH = 80;

	/**
	 *
	 * For JS version, if the file list has more than this limit, we will show the name filter
	 */
	public static $FILTER_SHOW = 6;

	/**
	 *
	 * @return string if you return empty string or null, will not check and include any Header
	 */
	public static function getHeaderName()
	{
		return 'HEADER';
	}

	/**
	 *
	 * @return string if you return empty string or null, will not check and include any Readme
	 */
	public static function getReadmeName()
	{
		return 'README';
	}

	public static function getExcludePatterns()
	{
		return ['.',
			'..',
			'.?*',
			'*~',
			'*#',
			'HEADER*',
			'README*',
			'RCS',
			'CVS',
			'*,v',
			'*,t',
			'*.lsz',
		];
	}

	private static $exclude_list;

	public static function shouldExclude($filename)
	{
		if (self::$exclude_list == null) {
			self::$exclude_list = self::getExcludePatterns();
			if (!empty($_SERVER['LS_AI_INDEX_IGNORE'])) {
				self::$exclude_list = array_merge(explode(' ', $_SERVER['LS_AI_INDEX_IGNORE']), self::$exclude_list);
			}
		}

		reset(self::$exclude_list);
		foreach (self::$exclude_list as $ex) {
			if (fnmatch($ex, $filename))
				return true;
		}
		return false;
	}

}

class IconMap
{

	private $icons;
	private $definedSuffix;
	private static $instance;

	private function __construct()
	{
		$this-&gt;icons = [
			'DEFAULT' =&gt; ['file.svg', 'File'],
			'UP' =&gt; ['corner-left-up.svg', 'Up'],
			'DIR' =&gt; ['folder-fill.svg', 'Directory'],
			'IMG' =&gt; ['image.svg', '[IMG]'],
			'TXT' =&gt; ['file-text.svg', '[TXT]'],
			'CMP' =&gt; ['file.svg', '[CMP]'],
			'BIN' =&gt; ['file.svg', '[BIN]'],
			'VID' =&gt; ['video.svg', '[VID]'],
			'SND' =&gt; ['music.svg', '[SND]'],
		];

		$this-&gt;definedSuffix = [];
		$this-&gt;addMapping(['gif', 'png', 'jpg', 'jpeg', 'webp', 'tif', 'tiff', 'bmp', 'svg', 'raw'],
				'IMG');
		$this-&gt;addMapping(['txt', 'md5', 'c', 'cpp', 'cc', 'h', 'sh', 'html', 'htm', 'shtml', 'php', 'phtml', 'css', 'js'],
				'TXT');
		$this-&gt;addMapping(['gz', 'tgz', 'zip', 'Z', 'z'], 'CMP');
		$this-&gt;addMapping(['bin', 'exe'], 'BIN');
		$this-&gt;addMapping(['mpg', 'avi', 'mpeg', 'ram', 'wmv'], 'VID');
		$this-&gt;addMapping(['mp3', 'mp2', 'ogg', 'wav', 'wma', 'aac', 'mp4', 'rm'], 'SND');
	}

	private function addMapping($suffixArray, $iconTag)
	{
		if (!isset($this-&gt;icons[$iconTag])) { // should not happen, unrecognized tag
			$iconTag = 'DEFAULT';
		}
		foreach ($suffixArray as $suffix) {
			$this-&gt;definedSuffix[$suffix] = $iconTag;
		}
	}

	private static function getMap()
	{
		if (self::$instance == null) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	public static function getFileIconTag($file)
	{
		$map = self::getMap();
		$pos = strrpos($file, '.');
		if ($pos !== false) {
			$suffix = substr($file, $pos + 1);
			if ($suffix !== false) {
				if (isset($map-&gt;definedSuffix[$suffix])) {
					return $map-&gt;definedSuffix[$suffix];
				}
			}
		}
		return 'DEFAULT';
	}

	public static function img($iconTag)
	{
		$me = self::getMap();
		return '&lt;img class=&quot;icon&quot; src=&quot;/_autoindex/assets/icons/'
				. $me-&gt;icons[$iconTag][0] . '&quot; alt=&quot;' . $me-&gt;icons[$iconTag][1] . '&quot;&gt;';
	}

}

// END of customization section


class FileStat
{

	protected $name;
	protected $size;
	protected $mtime;
	protected $isdir;
	protected $iconTag;
	protected $restricted = false;

	public function __construct($path, $filename)
	{
		$this-&gt;name = $filename;

		if ($path == '..') {
			$this-&gt;size = -2;
			$this-&gt;iconTag = 'UP';
			$this-&gt;mtime = 0;
			return;
		}

		$s = @stat($path . $filename);
		if ($s == false) {
			$this-&gt;restricted = true;
			return;
		}
		$this-&gt;mtime = $s[9];

		if (($s[2] &amp; 040000) &gt; 0) {
			$this-&gt;isdir = true;
			$this-&gt;size = -1;
			$this-&gt;iconTag = 'DIR';
		} else {
			$this-&gt;isdir = false;
			$this-&gt;size = $s[7];
			$this-&gt;iconTag = IconMap::getFileIconTag($filename);
		}
	}

	public function isRestricted()
	{
		// due to openbase_dir, file is outside of DOCROOT
		return $this-&gt;restricted;
	}

	public function isDir()
	{
		return $this-&gt;isdir;
	}

	public function getUrl($base)
	{
		$encoded = $base . rawurlencode($this-&gt;name);
		if ($this-&gt;isdir) {
			$encoded .= '/';
		}
		return $encoded;
	}

	public function getIconTag()
	{
		return $this-&gt;iconTag;
	}

	public function sortName()
	{
		// case insensitive compare
		$name = htmlspecialchars(strtolower($this-&gt;name), ENT_QUOTES | ENT_SUBSTITUTE);
		return $this-&gt;isdir ? '*' . $name : $name; // to make directories list on top
	}

	public function dispName()
	{
		$name = $this-&gt;name;
		if (strlen($name) &gt; UserSettings::$NAME_WIDTH) {
			$name = substr($name, 0, UserSettings::$NAME_WIDTH - 3) . '...';
		}
		return htmlspecialchars($name, ENT_QUOTES | ENT_SUBSTITUTE);
	}

	public function dispTime()
	{
		return ($this-&gt;mtime &gt; 0) ? date(UserSettings::$TIME_FORMAT, $this-&gt;mtime) : '';
	}

	public function sortTime()
	{
		if ($this-&gt;isdir) {
			// to make dir sorted together, deduct 50 years
			return ($this-&gt;mtime - 1576800000);
		}
		return $this-&gt;mtime;
	}

	public function dispSize()
	{
		if ($this-&gt;iconTag == 'UP') { // parent dir
			return '';
		}
		if ($this-&gt;isdir) {
			return '-';
		}
		return sprintf(&quot;%7ldk&quot;, ($this-&gt;size + 1023) / 1024);
	}

	public function sortSize()
	{
		return $this-&gt;size;
	}

	public static function cmpNA($a, $b)
	{
		return strcasecmp($a-&gt;name, $b-&gt;name);
	}

	public static function cmpND($a, $b)
	{
		return - self::cmpNA($a, $b);
	}

	public static function cmpSA($a, $b)
	{
		$ret = $a-&gt;size - $b-&gt;size;
		if ($ret == 0) {
			// if same size, compare by name ascending
			return self::cmpNA($a, $b);
		}
		return $ret;
	}

	public static function cmpSD($a, $b)
	{
		return - self::cmpSA($a, $b);
	}

	public static function cmpMA($a, $b)
	{
		return $a-&gt;mtime - $b-&gt;mtime;
	}

	public static function cmpMD($a, $b)
	{
		return - self::cmpMA($a, $b);
	}

}

class Directory
{

	private $list;
	private $path;
	private $len;

	public function __construct($path)
	{
		$this-&gt;path = $path;
		$handle = opendir($path);
		if ($handle === false) {
			return;
		}
		clearstatcache();
		$this-&gt;list = [];
		while (false !== ($file = readdir($handle))) {
			if (!UserSettings::shouldExclude($file)) {
				$fs = new FileStat($path, $file);
				if (!$fs-&gt;isRestricted()) {
					$this-&gt;list[] = $fs;
				}
			}
		}
		closedir($handle);
		$this-&gt;len = count($this-&gt;list);
	}

	public function cannotLoad()
	{
		return ($this-&gt;list === null);
	}

	public function getListCount()
	{
		return $this-&gt;len;
	}

	public function sortList($order)
	{
		usort($this-&gt;list, ['\\LiteSpeedAutoIndex\\FileStat', &quot;cmp$order&quot;]);
	}

	public function populateList(&amp;$dirs, &amp;$files)
	{
		$files = [];
		foreach ($this-&gt;list as $fileStat) {
			if ($fileStat-&gt;isDir()) {
				$dirs[] = $fileStat;
			} else {
				$files[] = $fileStat;
			}
		}
	}

}

class Index
{

	protected $dir;
	protected $uri;
	protected $path;
	protected $isFancy;
	protected $sort;

	public function printPage()
	{
		$this-&gt;init();
		$this-&gt;printHeader();
		$this-&gt;printContent();
		$this-&gt;printFooter();
	}

	protected function init()
	{
		if (empty($_SERVER['LS_AI_PATH'])) {
			$this-&gt;exit403('[ERROR] Auto Index script can not be accessed directly!');
		}
		$this-&gt;path = $_SERVER['LS_AI_PATH'];

		ini_set('open_basedir', $_SERVER['DOCUMENT_ROOT']);

		$this-&gt;dir = new Directory($this-&gt;path);
		if ($this-&gt;dir-&gt;cannotLoad()) {
			$this-&gt;exit403('&lt;h1&gt;403 Access Denied&lt;/h1&gt;');
		}

		$uri = $_SERVER['REQUEST_URI'];
		if (($pos = strpos($uri, '?')) !== false) {
			$uri = substr($_SERVER['REQUEST_URI'], 0, $pos);
		}

		$this-&gt;uri = $uri;

		if (isset($_SERVER['LS_AI_MIME_TYPE'])) {
			header('Content-Type: ' . $_SERVER['LS_AI_MIME_TYPE']);
		}

		$this-&gt;isFancy = empty($_SERVER['LS_FI_OFF']); // if not set Fancy Index Off, by default it's ON

		if ($this-&gt;isFancy) {
			$this-&gt;initSort();
		}
	}

	protected function initSort()
	{
		$order = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
		if ($order == '' || strlen($order) != 2 || !in_array($order, ['NA', 'ND', 'MA', 'MD', 'SA', 'SD'])) {
			$order = 'NA'; // set to default
		}
		$this-&gt;sort = [];
		$a = 'ascending';
		$d = 'descending';

		switch ($order) {
			case 'NA': $this-&gt;sort['name_aria'] = $a; // for indicator for current active sort order.
				$this-&gt;sort['N_link'] = 'ND'; // for current header click action link, reverse to current order
				break;
			case 'ND': $this-&gt;sort['name_aria'] = $d;
				break;
			case 'MA': $this-&gt;sort['mod_aria'] = $a;
				$this-&gt;sort['M_link'] = 'MD';
				break;
			case 'MD': $this-&gt;sort['mod_aria'] = $d;
				break;
			case 'SA': $this-&gt;sort['size_aria'] = $a;
				$this-&gt;sort['S_link'] = 'SD';
				break;
			case 'SD': $this-&gt;sort['size_aria'] = $d;
				break;
		}
		$this-&gt;dir-&gt;sortList($order);
	}

	protected function exit403($msg)
	{
		http_response_code(403);
		echo $msg;
		exit;
	}

	protected function getAssetLinks()
	{
		return '&lt;link rel=&quot;stylesheet&quot; href=&quot;/_autoindex/assets/css/autoindex.css&quot; /&gt;';
	}

	protected function getEndBodyScripts()
	{
		return '';
	}

	protected function printHeader()
	{
		$disp_uri = htmlentities(urldecode($this-&gt;uri), ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');

		$title = 'Index of ' . $disp_uri;

		echo '&lt;!DOCTYPE html&gt;&lt;html&gt;&lt;head&gt;&lt;meta http-equiv=&quot;Content-type&quot; content=&quot;text/html; charset=UTF-8&quot; /&gt;&lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot; /&gt;'
		. $this-&gt;getAssetLinks() . '&lt;title&gt;' . $title . '&lt;/title&gt;&lt;style&gt;@media (prefers-color-scheme:dark){body{background-color:#000!important}}&lt;/style&gt;&lt;/head&gt;'
		. '&lt;body&gt;&lt;div class=&quot;content&quot;&gt;&lt;h1 style=&quot;color: #555;&quot;&gt;' . $title . &quot;&lt;/h1&gt;\n&quot;;

		$includeHeader = UserSettings::getHeaderName();
		if ($includeHeader) {
			$this-&gt;printIncludes($this-&gt;path, $includeHeader);
		}
	}

	protected function printIncludes($path, $name)
	{
		$testNames = [&quot;$name.html&quot;, &quot;$name.htm&quot;, $name];
		foreach ($testNames as $testname) {
			$filename = $path . $testname;

			if (file_exists($filename) &amp;&amp; !is_link($filename)) {
				$content = file_get_contents($filename);
				if (!$content) {
					break;
				}
				$style = ($name == 'HEADER') ? 'header-text' : 'readme-text';
				echo &quot;&lt;div class=\&quot;{$style}\&quot;&gt;\n&quot; . htmlspecialchars($content, ENT_QUOTES | ENT_SUBSTITUTE) . &quot;&lt;/div&gt;\n&quot;;
				break;
			}
		}
	}

	protected function printFooter()
	{
		$includeReadme = UserSettings::getReadmeName();
		if ($includeReadme) {
			$this-&gt;printIncludes($this-&gt;path, $includeReadme);
		}

		echo '&lt;address&gt;Proudly Served by LiteSpeed Web Server at '
		. $_SERVER['SERVER_NAME'] . ' Port ' . $_SERVER['SERVER_PORT']
		. '&lt;/address&gt;&lt;/div&gt;'
		. $this-&gt;getEndBodyScripts()
		. &quot;&lt;/body&gt;&lt;/html&gt;\n&quot;;
	}

	protected function printOneEntry($base, $fileStat)
	{
		$url = $fileStat-&gt;getUrl($base);
		$buf = '&lt;tr&gt;&lt;td&gt;&lt;a href=&quot;' . $url . '&quot;&gt;';
		if ($this-&gt;isFancy) {
			$buf .= IconMap::img($fileStat-&gt;getIconTag())
					. $fileStat-&gt;dispName()
					. '&lt;/a&gt;&lt;/td&gt;&lt;td&gt;' . $fileStat-&gt;dispTime()
					. '&lt;/td&gt;&lt;td&gt;' . $fileStat-&gt;dispSize() . '&lt;/td&gt;';
		} else {
			$buf .= $fileStat-&gt;dispName() . '&lt;/a&gt;&lt;/td&gt;';
		}
		$buf .= &quot;&lt;/tr&gt;\n&quot;;
		echo $buf;
	}

	protected function printContent()
	{
		echo '&lt;div id=&quot;table-list&quot;&gt;&lt;table id=&quot;table-content&quot;&gt;';
		if ($this-&gt;isFancy) {
			$this-&gt;printFancyTableHeader();
		} else {
			$this-&gt;printTableHeader();
		}
		$dirs = $files = [];
		$this-&gt;dir-&gt;populateList($dirs, $files);

		if ($this-&gt;uri != '/') {
			$fileStat = new FileStat('..', '');
			$base = substr($this-&gt;uri, 0, strlen($this-&gt;uri) - 1);
			if (($off = strrpos($base, '/')) !== false) {
				$base = substr($base, 0, $off + 1);
				$this-&gt;printParentLine($base, $fileStat);
			}
		}

		foreach ($dirs as $fileStat) {
			$this-&gt;printOneEntry($this-&gt;uri, $fileStat);
		}

		foreach ($files as $fileStat) {
			$this-&gt;printOneEntry($this-&gt;uri, $fileStat);
		}


		echo &quot;&lt;/table&gt;&lt;/div&gt;\n&quot;;
	}

	protected function ariaClass($type)
	{
		$name = $type . '_aria';
		return isset($this-&gt;sort[$name]) ? ' aria-sort=&quot;' . $this-&gt;sort[$name] . '&quot;' : '';
	}

	protected function headerQs($type)
	{
		$name = $type . '_link';
		return isset($this-&gt;sort[$name]) ? $this-&gt;sort[$name] : $type . 'A'; // default is ascending
	}

	protected function printFancyTableHeader()
	{
		$th = '&lt;th class=&quot;colname&quot;';
		echo '&lt;thead class=&quot;t-header&quot;&gt;&lt;tr&gt;'
		. $th . $this-&gt;ariaClass('name') . '&gt;&lt;a class=&quot;name&quot; href=&quot;?' . $this-&gt;headerQs('N') . '&quot;&gt;Name&lt;/a&gt;&lt;/th&gt;'
		. $th . $this-&gt;ariaClass('mod') . '&gt;&lt;a href=&quot;?' . $this-&gt;headerQs('M') . '&quot;&gt;Last Modified&lt;/a&gt;&lt;/th&gt;'
		. $th . $this-&gt;ariaClass('size') . '&gt;&lt;a href=&quot;?' . $this-&gt;headerQs('S') . '&quot;&gt;Size&lt;/a&gt;&lt;/th&gt;'
		. &quot;&lt;/tr&gt;&lt;/thead&gt;\n&quot;;
	}

	protected function printTableHeader()
	{
		echo '&lt;thead class=&quot;t-header&quot;&gt;&lt;tr&gt;'
				. '&lt;th class=&quot;colname&quot;&gt;Name&lt;/th&gt;'
				. '&lt;th class=&quot;colname&quot;&gt;Last Modified&lt;/th&gt;'
				. '&lt;th class=&quot;colname&quot;&gt;Size&lt;/th&gt;'
				. &quot;&lt;/tr&gt;&lt;/thead&gt;\n&quot;;
	}

	protected function printParentLine($base, $fileStat)
	{
		$url = $fileStat-&gt;getUrl($base);
		if ($this-&gt;isFancy) {
			$buf = '&lt;tr&gt;&lt;td&gt;&lt;a href=&quot;' . $url . '&quot;&gt;'
					. IconMap::img('UP') . 'Parent Directory'
					. '&lt;/a&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;';
		} else {
			$buf = '&lt;tr&gt;&lt;td&gt;&lt;a href=&quot;' . $url . '&quot;&gt;' . $fileStat-&gt;dispName() . '&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;';
		}
		echo $buf . &quot;\n&quot;;
	}

}

class IndexWithJS extends Index
{

	protected function getAssetLinks()
	{
		return '&lt;link rel=&quot;stylesheet&quot; href=&quot;/_autoindex/assets/css/autoindex.css&quot; /&gt;'
				. '&lt;script src=&quot;/_autoindex/assets/js/tablesort.js&quot;&gt;&lt;/script&gt;'
				. '&lt;script src=&quot;/_autoindex/assets/js/tablesort.number.js&quot;&gt;&lt;/script&gt;';
	}

	protected function getEndBodyScripts()
	{
		if ($this-&gt;dir-&gt;getListCount() &gt;= UserSettings::$FILTER_SHOW) {
		return &lt;&lt;&lt;EJS
&lt;script&gt;
	new Tablesort(document.getElementById(&quot;table-content&quot;));
	var keywordInput = document.getElementById('filter-keyword');
	document.addEventListener('keyup', filterTable);

	function filterTable(e) {
		if (e.target.id != 'filter-keyword') return;

		var cols = document.querySelectorAll('tbody td:first-child');
		var keyword = keywordInput.value.toLowerCase();
		for (i = 0; i &lt; cols.length; i++) {
			var text = cols[i].textContent.toLowerCase();
			if (text != 'parent directory') {
				cols[i].parentNode.style.display = text.indexOf(keyword) === -1 ? 'none' : 'table-row';
			}
		}
	}
&lt;/script&gt;
EJS;
		} else {
			return '&lt;script&gt;new Tablesort(document.getElementById(&quot;table-content&quot;));&lt;/script&gt;';
		}
	}

	protected function printHeader()
	{
		parent::printHeader();
		if ($this-&gt;dir-&gt;getListCount() &gt;= UserSettings::$FILTER_SHOW) {
			echo '&lt;div id=&quot;table-filter&quot;&gt;&lt;input type=&quot;text&quot; name=&quot;keyword&quot; id=&quot;filter-keyword&quot; placeholder=&quot;Filter Name&quot;&gt;&lt;/div&gt;' . &quot;\n&quot;;
		}
	}

	protected function printFancyTableHeader()
	{
		$onclick = ' onclick=&quot;return false&quot;';
		$sortnum = ' data-sort-method=&quot;number&quot;';
		$th = '&lt;th class=&quot;colname&quot;';

		echo '&lt;thead class=&quot;t-header&quot;&gt;&lt;tr&gt;'
		. $th . $this-&gt;ariaClass('name') . '&gt;&lt;a class=&quot;name&quot; href=&quot;?' . $this-&gt;headerQs('N') . '&quot; ' . $onclick . '&quot;&gt;Name&lt;/a&gt;&lt;/th&gt;'
		. $th . $sortnum . $this-&gt;ariaClass('mod') . '&gt;&lt;a href=&quot;?' . $this-&gt;headerQs('M') . '&quot; ' . $onclick . '&quot;&gt;Last Modified&lt;/a&gt;&lt;/th&gt;'
		. $th . $sortnum . $this-&gt;ariaClass('size') . '&gt;&lt;a href=&quot;?' . $this-&gt;headerQs('S') . '&quot; ' . $onclick . '&quot;&gt;Size&lt;/a&gt;&lt;/th&gt;'
		. &quot;&lt;/tr&gt;&lt;/thead&gt;\n&quot;;
	}

	protected function printOneEntry($base, $fileStat)
	{
		$url = $fileStat-&gt;getUrl($base);
		$buf = '&lt;tr&gt;';
		if ($this-&gt;isFancy) {
			$buf .= '&lt;td data-sort=&quot;' . $fileStat-&gt;sortName() . '&quot;&gt;&lt;a href=&quot;' . $url . '&quot;&gt;'
					. IconMap::img($fileStat-&gt;getIconTag())
					. $fileStat-&gt;dispName()
					. '&lt;/a&gt;&lt;/td&gt;&lt;td data-sort=&quot;' . $fileStat-&gt;sortTime() . '&quot;&gt;' . $fileStat-&gt;dispTime()
					. '&lt;/td&gt;&lt;td data-sort=&quot;' . $fileStat-&gt;sortSize() . '&quot;&gt;' . $fileStat-&gt;dispSize() . '&lt;/td&gt;';
		} else {
			$buf .= '&lt;td&gt;&lt;a href=&quot;' . $url . '&quot;&gt;' . $fileStat-&gt;dispName() . '&lt;/a&gt;&lt;/td&gt;';
		}
		$buf .= &quot;&lt;/tr&gt;\n&quot;;
		echo $buf;
	}

	protected function printParentLine($base, $fileStat)
	{
		$url = $fileStat-&gt;getUrl($base);
		if ($this-&gt;isFancy) {
			$buf = '&lt;tr data-sort-method=&quot;none&quot;&gt;&lt;td&gt;&lt;a href=&quot;' . $url . '&quot;&gt;'
					. IconMap::img('UP') . 'Parent Directory'
					. '&lt;/a&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;';
		} else {
			$buf = '&lt;tr&gt;&lt;td&gt;&lt;a href=&quot;' . $url . '&quot;&gt;Parent Directory&lt;/a&gt;&lt;/td&gt;&lt;/tr&gt;';
		}
		echo $buf . &quot;\n&quot;;
	}

}
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