AutoIndex-pl4/classes/Search.php

<?php
/**
 * @package AutoIndex
 *
 * @copyright Copyright (C) 2002-2005 Justin Hagstrom
 * @license http://www.gnu.org/licenses/gpl.html GNU General Public License (GPL)
 * @version $Id: Search.php,v 2.2.6 2023/11/15 08:08:08 orynider Exp $
 * @link http://autoindex.sourceforge.net
 */

/*
   AutoIndex PHP Script is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   AutoIndex PHP Script is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

if (!defined('IN_AUTOINDEX') || !IN_AUTOINDEX)
{
	die();
}

/**
 * Similar to DirectoryListDetailed, except this filters out certain
 * entries based on filename.
 *
 * @author Justin Hagstrom <JustinHagstrom@yahoo.com>
 * @version 1.0.3 (July 06, 2005)
 * @package AutoIndex
 */
class Search extends DirectoryListDetailed
{
	/**
	 * @var array List of matched filenames
	 */
	private $matches;
	
	/**
	 * @return string The HTML text that makes up the search box
	 */
	public static function search_box()
	{
		global $words, $subdir, $request;
		
		$search = ($request->is_set_get('search') ? Url::html_output($request->get('search')) : '');
		$mode = ($request->is_set_get('search_mode') ? self::clean_mode($request->is_set_get('search_mode')) : 'f');
		$modes = array('files' => 'f', 'folders' => 'd', 'both' => 'fd');
		
		$out = '
		<form action="' . Url::html_output($request->server('PHP_SELF')) . '" method="get">' . '
		<p>
		<input type="hidden" name="dir" value="' . $subdir . '" />' . '
		<input type="text" name="search" value="' . $search . '" /><br />
		<select name="search_mode">';
		
		foreach ($modes as $word => $m)
		{
			$sel = (($m == $mode) ? ' selected="selected"' : '');
			$out .= '<option value="' . $m . '"' . $sel . '>' . $words->__get($word) . '</option>';
		}
		
		$out .= '
		</select>
		<input type="submit" class="button" value="' . $words->__get('search') . '" />
		</p>
		</form>';
		
		return $out;
	}
	
	/**
	 * @param string $filename
	 * @param string $string
	 * @return bool True if string matches filename
	 */
	private static function match(&$filename, &$string)
	{
		if (preg_match_all('/(?<=")[^"]+(?=")|[^ "]+/', $string, $matches))
		{
			foreach ($matches[0] as $w)
			{
				if (stripos($filename, $w) !== false)
				{
					return true;
				}
			}
		}
		return false;
	}
	
	/**
	 * Merges $obj into $this.
	 *
	 * @param Search $obj
	 */
	private function merge(Search $obj)
	{
		$this->total_folders += $obj->__get('total_folders');
		$this->total_files += $obj->__get('total_files');
		$this->total_downloads += $obj->__get('total_downloads');
		$this->total_size->add_size($obj->__get('total_size'));
		$this->matches = array_merge($this->matches, $obj->__get('contents'));
	}
	
	/**
	 * Returns a string with all characters except 'd' and 'f' stripped.
	 * Either 'd' 'f' 'df' will be returned, defaults to 'f'
	 *
	 * @param string $mode
	 * @return string
	 */
	private static function clean_mode($mode)
	{
		$str = '';
		if (stripos($mode, 'f') !== false)
		{
			$str .= 'f';
		}
		if (stripos($mode, 'd') !== false)
		{
			$str .= 'd';
		}
		else if ($str == '')
		{
			$str = 'f';
		}
		return $str;
	}
	
	/**
	 * @param string $query String to search for
	 * @param string $dir The folder to search (recursive)
	 * @param string $mode Should be f (files), d (directories), or fd (both)
	 */
	public function __construct($query, $dir, $mode)
	{
		if (strlen($query) < 2 || strlen($query) > 20)
		{
			throw new ExceptionDisplay('Search query is either too long or too short.');
		}
		$mode = self::clean_mode($mode);
		$dir = Item::make_sure_slash($dir);
		DirectoryList::__construct($dir);
		$this->matches = array();
		$this->total_size = new Size(0);
		$this->total_downloads = $this->total_folders = $this->total_files = 0;
		foreach ($this as $item)
		{
			if ($item == '..')
			{
				continue;
			}
			if (@is_dir($dir . $item))
			{
				if (stripos($mode, 'd') !== false && self::match($item, $query))
				{
					$temp = new DirItem($dir, $item);
					$this->matches[] = $temp;
					if ($temp->__get('size')->__get('bytes') !== false)
					{
						$this->total_size->add_size($temp->__get('size'));
					}
					$this->total_folders++;
				}
				$sub_search = new Search($query, $dir . $item, $mode);
				$this->merge($sub_search);
			}
			else if (stripos($mode, 'f') !== false && self::match($item, $query))
			{
				$temp = new FileItem($dir, $item);
				$this->matches[] = $temp;
				$this->total_size->add_size($temp->__get('size'));
				$this->total_downloads += $temp->__get('downloads');
				$this->total_files++;
			}
		}
		global $words, $config, $subdir, $request;
		$link = ' <a class="autoindex_a" href="' . Url::html_output($request->server('PHP_SELF'))
		. '?dir=' . Url::translate_uri($subdir) . '">'
		. Url::html_output($dir) . '</a> ';
		$this->path_nav = $words->__get('search results for')
		. $link . $words->__get('and its subdirectories');
		$this->contents = $this->matches;
		unset($this->matches);
	}
}

?>