• File: elFinderVolumeDropbox.class.php
  • Full Path: /home/blwgracecity/jesusexp.org/wp-content/plugins/wp-file-manager/lib/js/worker/elFinderVolumeDropbox.class.php
  • File size: 24 KB
  • MIME-type: text/x-php
  • Charset: utf-8
<?php

elFinder::$netDrivers['dropbox'] = 'Dropbox';

/**
 * Simple elFinder driver for FTP
 *
 * @author Dmitry (dio) Levashov
 * @author Cem (discofever)
 **/
class elFinderVolumeDropbox extends elFinderVolumeDriver {

	/**
	 * Driver id
	 * Must be started from letter and contains [a-z0-9]
	 * Used as part of volume id
	 *
	 * @var string
	 **/
	protected $driverId = 'd';

	/**
	 * OAuth object
	 *
	 * @var oauth
	 **/
	protected $oauth = null;

	/**
	 * Dropbox object
	 *
	 * @var dropbox
	 **/
	protected $dropbox = null;

	/**
	 * Directory for meta data caches
	 * If not set driver not cache meta data
	 *
	 * @var string
	 **/
	protected $metaCache = '';

	/**
	 * Last API error message
	 *
	 * @var string
	 **/
	protected $apiError = '';

	/**
	 * Directory for tmp files
	 * If not set driver will try to use tmbDir as tmpDir
	 *
	 * @var string
	 **/
	protected $tmp = '';
	
	/**
	 * Dropbox.com uid
	 *
	 * @var string
	 **/
	protected $dropboxUid = '';
	
	/**
	 * Dropbox download host, replaces 'www.dropbox.com' of shares URL
	 * 
	 * @var string
	 */
	private $dropbox_dlhost = 'dl.dropboxusercontent.com';
	
	private $dropbox_phpFound = false;
	
	private $DB_TableName = '';
	
	private $tmbPrefix = '';

	/**
	 * Constructor
	 * Extend options with required fields
	 *
	 * @author Dmitry (dio) Levashov
	 * @author Cem (DiscoFever)
	 */
	public function __construct() {

		// check with composer
		$this->dropbox_phpFound = class_exists('Dropbox_API');
		
		if (! $this->dropbox_phpFound) {
			// check with pear
			if (include_once 'Dropbox/autoload.php') {
				$this->dropbox_phpFound = in_array('Dropbox_autoload', spl_autoload_functions());
			}
		}
		
		$opts = array(
			'consumerKey'       => '',
			'consumerSecret'    => '',
			'accessToken'       => '',
			'accessTokenSecret' => '',
			'dropboxUid'        => '',
			'root'              => 'dropbox',
			'path'              => '/',
			'separator'         => '/',
			'PDO_DSN'           => '', // if empty use 'sqlite:(metaCachePath|tmbPath)/elFinder_dropbox_db_(hash:dropboxUid+consumerSecret)'
			'PDO_User'          => '',
			'PDO_Pass'          => '',
			'PDO_Options'       => array(),
			'PDO_DBName'        => 'dropbox',
			'treeDeep'          => 0,
			'tmbPath'           => '',
			'tmbURL'            => '',
			'tmpPath'           => '',
			'getTmbSize'        => 'large', // small: 32x32, medium or s: 64x64, large or m: 128x128, l: 640x480, xl: 1024x768
			'metaCachePath'     => '',
			'metaCacheTime'     => '600', // 10m
			'acceptedName'      => '#^[^/\\?*:|"<>]*[^./\\?*:|"<>]$#',
			'rootCssClass'      => 'elfinder-navbar-root-dropbox'
		);
		$this->options = array_merge($this->options, $opts);
		$this->options['mimeDetect'] = 'internal';
	}

	/**
	 * Prepare
	 * Call from elFinder::netmout() before volume->mount()
	 *
	 * @param $options
	 * @return Array
	 * @author Naoki Sawada
	 */
	public function netmountPrepare($options) {
		if (empty($options['consumerKey']) && defined('ELFINDER_DROPBOX_CONSUMERKEY')) $options['consumerKey'] = ELFINDER_DROPBOX_CONSUMERKEY;
		if (empty($options['consumerSecret']) && defined('ELFINDER_DROPBOX_CONSUMERSECRET')) $options['consumerSecret'] = ELFINDER_DROPBOX_CONSUMERSECRET;
		
		if ($options['user'] === 'init') {

			if (! $this->dropbox_phpFound || empty($options['consumerKey']) || empty($options['consumerSecret']) || !class_exists('PDO', false)) {
				return array('exit' => true, 'body' => '{msg:errNetMountNoDriver}');
			}
			
			if (defined('ELFINDER_DROPBOX_USE_CURL_PUT')) {
				$this->oauth = new Dropbox_OAuth_Curl($options['consumerKey'], $options['consumerSecret']);
			} else {
				if (class_exists('OAuth', false)) {
					$this->oauth = new Dropbox_OAuth_PHP($options['consumerKey'], $options['consumerSecret']);
				} else {
					if (! class_exists('HTTP_OAuth_Consumer')) {
						// We're going to try to load in manually
						include 'HTTP/OAuth/Consumer.php';
					}
					if (class_exists('HTTP_OAuth_Consumer', false)) {
						$this->oauth = new Dropbox_OAuth_PEAR($options['consumerKey'], $options['consumerSecret']);
					}
				}
			}
			
			if (! $this->oauth) {
				return array('exit' => true, 'body' => '{msg:errNetMountNoDriver}');
			}

			if ($options['pass'] === 'init') {
				$html = '';
				if ($sessionToken = $this->session->get('DropboxTokens')) {
					// token check
					try {
						list(, $accessToken, $accessTokenSecret) = $sessionToken;
						$this->oauth->setToken($accessToken, $accessTokenSecret);
						$this->dropbox = new Dropbox_API($this->oauth, $this->options['root']);
						$this->dropbox->getAccountInfo();
						$script = '<script>
							jQuery("#'.$options['id'].'").elfinder("instance").trigger("netmount", {protocol: "dropbox", mode: "done"});
						</script>';
						$html = $script;
					} catch (Dropbox_Exception $e) {
						$this->session->remove('DropboxTokens');
					}
				}
				if (! $html) {
					// get customdata
					$cdata = '';
					$innerKeys = array('cmd', 'host', 'options', 'pass', 'protocol', 'user');
					$this->ARGS = $_SERVER['REQUEST_METHOD'] === 'POST'? $_POST : $_GET;
					foreach($this->ARGS as $k => $v) {
						if (! in_array($k, $innerKeys)) {
							$cdata .= '&' . $k . '=' . rawurlencode($v);
						}
					}
					if (strpos($options['url'], 'http') !== 0 ) {
						$options['url'] = elFinder::getConnectorUrl();
					}
					$callback  = $options['url']
					           . '?cmd=netmount&protocol=dropbox&host=dropbox.com&user=init&pass=return&node='.$options['id'].$cdata;
					
					try {
						$tokens = $this->oauth->getRequestToken();
						$url= $this->oauth->getAuthorizeUrl(rawurlencode($callback));
					} catch (Dropbox_Exception $e) {
						return array('exit' => true, 'body' => '{msg:errAccess}');
					}
					
					$this->session->set('DropboxAuthTokens', $tokens);
					$html = '<input id="elf-volumedriver-dropbox-host-btn" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="{msg:btnApprove}" type="button" onclick="window.open(\''.$url.'\')">';
					$html .= '<script>
						jQuery("#'.$options['id'].'").elfinder("instance").trigger("netmount", {protocol: "dropbox", mode: "makebtn"});
					</script>';
				}
				return array('exit' => true, 'body' => $html);
			} else {
				$this->oauth->setToken($this->session->get('DropboxAuthTokens'));
				$this->session->remove('DropboxAuthTokens');
				$tokens = $this->oauth->getAccessToken();
				$this->session->set('DropboxTokens', array($_GET['uid'], $tokens['token'], $tokens['token_secret']));
				
				$out = array(
					'node' => $_GET['node'],
					'json' => '{"protocol": "dropbox", "mode": "done"}',
					'bind' => 'netmount'
				);
				
				return array('exit' => 'callback', 'out' => $out);
			}
		}
		if ($sessionToken = $this->session->get('DropboxTokens')) {
			list($options['dropboxUid'], $options['accessToken'], $options['accessTokenSecret']) = $sessionToken;
		}
		unset($options['user'], $options['pass']);
		return $options;
	}

	/**
	 * process of on netunmount
	 * Drop table `dropbox` & rm thumbs
	 *
	 * @param $netVolumes
	 * @param $key
	 * @return bool
	 * @internal param array $options
	 */
	public function netunmount($netVolumes, $key) {
		$count = 0;
		$dropboxUid = '';
		if (isset($netVolumes[$key])) {
			$dropboxUid = $netVolumes[$key]['dropboxUid'];
		}
		foreach($netVolumes as $volume) {
			if ($volume['host'] === 'dropbox' && $volume['dropboxUid'] === $dropboxUid) {
				$count++;
			}
		}
		if ($count === 1) {
			$this->DB->exec('drop table '.$this->DB_TableName);
			foreach(glob(rtrim($this->options['tmbPath'], '\\/').DIRECTORY_SEPARATOR.$this->tmbPrefix.'*.png') as $tmb) {
				unlink($tmb);
			}
		}
		return true;
	}
	
	/*********************************************************************/
	/*                        INIT AND CONFIGURE                         */
	/*********************************************************************/

	/**
	 * Prepare FTP connection
	 * Connect to remote server and check if credentials are correct, if so, store the connection id in $ftp_conn
	 *
	 * @return bool
	 * @author Dmitry (dio) Levashov
	 * @author Cem (DiscoFever)
	 **/
	protected function init() {
		if (!class_exists('PDO', false)) {
			return $this->setError('PHP PDO class is require.');
		}
		
		if (!$this->options['consumerKey']
		||  !$this->options['consumerSecret']
		||  !$this->options['accessToken']
		||  !$this->options['accessTokenSecret']) {
			return $this->setError('Required options undefined.');
		}
		
		if (empty($this->options['metaCachePath']) && defined('ELFINDER_DROPBOX_META_CACHE_PATH')) {
			$this->options['metaCachePath'] = ELFINDER_DROPBOX_META_CACHE_PATH;
		}
		
		// make net mount key
		$this->netMountKey = md5(join('-', array('dropbox', $this->options['path'])));

		if (! $this->oauth) {
			if (defined('ELFINDER_DROPBOX_USE_CURL_PUT')) {
				$this->oauth = new Dropbox_OAuth_Curl($this->options['consumerKey'], $this->options['consumerSecret']);
			} else {
				if (class_exists('OAuth', false)) {
					$this->oauth = new Dropbox_OAuth_PHP($this->options['consumerKey'], $this->options['consumerSecret']);
				} else {
					if (! class_exists('HTTP_OAuth_Consumer')) {
						// We're going to try to load in manually
						include 'HTTP/OAuth/Consumer.php';
					}
					if (class_exists('HTTP_OAuth_Consumer', false)) {
						$this->oauth = new Dropbox_OAuth_PEAR($this->options['consumerKey'], $this->options['consumerSecret']);
					}
				}
			}
		}
		
		if (! $this->oauth) {
			return $this->setError('OAuth extension not loaded.');
		}

		// normalize root path
		$this->root = $this->options['path'] = $this->_normpath($this->options['path']);

		if (empty($this->options['alias'])) {
			$this->options['alias'] = ($this->options['path'] === '/')? 'Dropbox.com'  : 'Dropbox'.$this->options['path'];
		}

		$this->rootName = $this->options['alias'];

		try {
			$this->oauth->setToken($this->options['accessToken'], $this->options['accessTokenSecret']);
			$this->dropbox = new Dropbox_API($this->oauth, $this->options['root']);
		} catch (Dropbox_Exception $e) {
			$this->session->remove('DropboxTokens');
			return $this->setError('Dropbox error: '.$e->getMessage());
		}
		
		// user
		if (empty($this->options['dropboxUid'])) {
			try {
				$res = $this->dropbox->getAccountInfo();
				$this->options['dropboxUid'] = $res['uid'];
			} catch (Dropbox_Exception $e) {
				$this->session->remove('DropboxTokens');
				return $this->setError('Dropbox error: '.$e->getMessage());
			}
		}
		
		$this->dropboxUid = $this->options['dropboxUid'];
		$this->tmbPrefix = 'dropbox'.base_convert($this->dropboxUid, 10, 32);

		if (!empty($this->options['tmpPath'])) {
			if ((is_dir($this->options['tmpPath']) || mkdir($this->options['tmpPath'])) && is_writable($this->options['tmpPath'])) {
				$this->tmp = $this->options['tmpPath'];
			}
		}
		if (!$this->tmp && is_writable($this->options['tmbPath'])) {
			$this->tmp = $this->options['tmbPath'];
		}
		if (!$this->tmp && ($tmp = elFinder::getStaticVar('commonTempPath'))) {
			$this->tmp = $tmp;
		}
		
		if (!empty($this->options['metaCachePath'])) {
			if ((is_dir($this->options['metaCachePath']) || mkdir($this->options['metaCachePath'])) && is_writable($this->options['metaCachePath'])) {
				$this->metaCache = $this->options['metaCachePath'];
			}
		}
		if (!$this->metaCache && $this->tmp) {
			$this->metaCache = $this->tmp;
		}
		
		if (!$this->metaCache) {
			return $this->setError('Cache dirctory (metaCachePath or tmp) is require.');
		}
		
		// setup PDO
		if (! $this->options['PDO_DSN']) {
			$this->options['PDO_DSN'] = 'sqlite:'.$this->metaCache.DIRECTORY_SEPARATOR.'.elFinder_dropbox_db_'.md5($this->dropboxUid.$this->options['consumerSecret']);
		}
		// DataBase table name
		$this->DB_TableName = $this->options['PDO_DBName'];
		// DataBase check or make table
		try {
			$this->DB = new PDO($this->options['PDO_DSN'], $this->options['PDO_User'], $this->options['PDO_Pass'], $this->options['PDO_Options']);
			if (! $this->checkDB()) {
				return $this->setError('Can not make DB table');
			}
		} catch (PDOException $e) {
			return $this->setError('PDO connection failed: '.$e->getMessage());
		}
		
		$res = $this->deltaCheck($this->isMyReload());
		if ($res !== true) {
			if (is_string($res)) {
				return $this->setError($res);
			} else {
				return $this->setError('Could not check API "delta"');
			}
		}
		
		if (is_null($this->options['syncChkAsTs'])) {
			$this->options['syncChkAsTs'] = true;
		}
		if ($this->options['syncChkAsTs']) {
			// 'tsPlSleep' minmum 5 sec
			$this->options['tsPlSleep'] = max(5, $this->options['tsPlSleep']);
		} else {
			// 'lsPlSleep' minmum 10 sec
			$this->options['lsPlSleep'] = max(10, $this->options['lsPlSleep']);
		}
		
		return true;
	}


	/**
	 * Configure after successful mount.
	 *
	 * @return string
	 * @author Dmitry (dio) Levashov
	 **/
	protected function configure() {
		parent::configure();
		
		$this->disabled[] = 'archive';
		$this->disabled[] = 'extract';
	}
	
	/**
	 * Check DB for delta cache
	 * 
	 * @return bool
	 */
	private function checkDB() {
		$res = $this->query('SELECT * FROM sqlite_master WHERE type=\'table\' AND name=\''.$this->DB_TableName.'\'');
		if ($res && isset($_REQUEST['init'])) {
			// check is index(nameidx) UNIQUE?
			$chk = $this->query('SELECT sql FROM sqlite_master WHERE type=\'index\' and name=\'nameidx\'');
			if (!$chk || strpos(strtoupper($chk[0]), 'UNIQUE') === false) {
				// remake
				$this->DB->exec('DROP TABLE '.$this->DB_TableName);
				$res = false;
			}
		}
		if (! $res) {
			try {
				$this->DB->exec('CREATE TABLE '.$this->DB_TableName.'(path text, fname text, dat blob, isdir integer);');
				$this->DB->exec('CREATE UNIQUE INDEX nameidx ON '.$this->DB_TableName.'(path, fname)');
				$this->DB->exec('CREATE INDEX isdiridx ON '.$this->DB_TableName.'(isdir)');
			} catch (PDOException $e) {
				return $this->setError($e->getMessage());
			}
		}
		return true;
	}
	
	/**
	 * DB query and fetchAll
	 * 
	 * @param string $sql
	 * @return boolean|array
	 */
	private function query($sql) {
		if ($sth = $this->DB->query($sql)) {
			$res = $sth->fetchAll(PDO::FETCH_COLUMN);
		} else {
			$res = false;
		}
		return $res;
	}
	
	/**
	 * Get dat(dropbox metadata) from DB
	 * 
	 * @param string $path
	 * @return array dropbox metadata
	 */
	private function getDBdat($path) {
		if ($res = $this->query('select dat from '.$this->DB_TableName.' where path='.$this->DB->quote(strtolower($this->_dirname($path))).' and fname='.$this->DB->quote(strtolower($this->_basename($path))).' limit 1')) {
			return unserialize($res[0]);
		} else {
			return array();
		}
	}
	
	/**
	 * Update DB dat(dropbox metadata)
	 * 
	 * @param string $path
	 * @param array $dat
	 * @return bool|array
	 */
	private function updateDBdat($path, $dat) {
		return $this->query('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize($dat))
				. ', isdir=' . ($dat['is_dir']? 1 : 0)
				. ' where path='.$this->DB->quote(strtolower($this->_dirname($path))).' and fname='.$this->DB->quote(strtolower($this->_basename($path))));
	}
	/*********************************************************************/
	/*                               FS API                              */
	/*********************************************************************/

	/**
	 * Close opened connection
	 *
	 * @return void
	 * @author Dmitry (dio) Levashov
	 **/
	public function umount() {

	}
	
	/**
	 * Get delta data and DB update
	 * 
	 * @param boolean $refresh force refresh
	 * @return true|string error message
	 */
	protected function deltaCheck($refresh = true) {
		$chk = false;
		if (! $refresh && $chk = $this->query('select dat from '.$this->DB_TableName.' where path=\'\' and fname=\'\' limit 1')) {
			$chk = unserialize($chk[0]);
		}
		if ($chk && ($chk['mtime'] + $this->options['metaCacheTime']) > $_SERVER['REQUEST_TIME']) {
			return true;
		}
		
		try {
			$more = true;
			$this->DB->beginTransaction();
			
			if ($res = $this->query('select dat from '.$this->DB_TableName.' where path=\'\' and fname=\'\' limit 1')) {
				$res = unserialize($res[0]);
				$cursor = $res['cursor'];
			} else {
				$cursor = '';
			}
			$delete = false;
			$reset = false;
			$ptimes = array();
			$now = time();
			do {
				 ini_set('max_execution_time', 120);
				$_info = $this->dropbox->delta($cursor);
				if (! empty($_info['reset'])) {
					$this->DB->exec('TRUNCATE table '.$this->DB_TableName);
					$this->DB->exec('insert into '.$this->DB_TableName.' values(\'\', \'\', \''.serialize(array('cursor' => '', 'mtime' => 0)).'\', 0);');
					$this->DB->exec('insert into '.$this->DB_TableName.' values(\'/\', \'\', \''.serialize(array(
						'path'      => '/',
						'is_dir'    => 1,
						'mime_type' => '',
						'bytes'     => 0
					)).'\', 0);');
					$reset = true;
				}
				$cursor = $_info['cursor'];
				
				foreach($_info['entries'] as $entry) {
					$key = strtolower($entry[0]);
					$pkey = strtolower($this->_dirname($key));
					
					$path = $this->DB->quote($pkey);
					$fname = $this->DB->quote(strtolower($this->_basename($key)));
					$where = 'where path='.$path.' and fname='.$fname;
					
					if (empty($entry[1])) {
						$ptimes[$pkey] = isset($ptimes[$pkey])? max(array($now, $ptimes[$pkey])) : $now;
						$this->DB->exec('delete from '.$this->DB_TableName.' '.$where);
						! $delete && $delete = true;
						continue;
					}

					$_itemTime = strtotime(isset($entry[1]['client_mtime'])? $entry[1]['client_mtime'] : $entry[1]['modified']);
					$ptimes[$pkey] = isset($ptimes[$pkey])? max(array($_itemTime, $ptimes[$pkey])) : $_itemTime;
					$sql = 'select path from '.$this->DB_TableName.' '.$where.' limit 1';
					if (! $reset && $this->query($sql)) {
						$this->DB->exec('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize($entry[1])).', isdir='.($entry[1]['is_dir']? 1 : 0).' ' .$where);
					} else {
						$this->DB->exec('insert into '.$this->DB_TableName.' values ('.$path.', '.$fname.', '.$this->DB->quote(serialize($entry[1])).', '.(int)$entry[1]['is_dir'].')');
					}
				}
			} while (! empty($_info['has_more']));
			
			// update time stamp of parent holder
			foreach ($ptimes as $_p => $_t) {
				if ($praw = $this->getDBdat($_p)) {
					$_update = false;
					if (isset($praw['client_mtime']) && $_t > strtotime($praw['client_mtime'])) {
						$praw['client_mtime'] = date('r', $_t);
						$_update = true;
					}
					if (isset($praw['modified']) && $_t > strtotime($praw['modified'])) {
						$praw['modified'] = date('r', $_t);
						$_update = true;
					}
					if ($_update) {
						$pwhere = 'where path='.$this->DB->quote(strtolower($this->_dirname($_p))).' and fname='.$this->DB->quote(strtolower($this->_basename($_p)));
						$this->DB->exec('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize($praw)).' '.$pwhere);
					}
				}
			}
			
			$this->DB->exec('update '.$this->DB_TableName.' set dat='.$this->DB->quote(serialize(array('cursor'=>$cursor, 'mtime'=>$_SERVER['REQUEST_TIME']))).' where path=\'\' and fname=\'\'');
			if (! $this->DB->commit()) {
				$e = $this->DB->errorInfo();
				return $e[2];
			}
			if ($delete) {
				$this->DB->exec('vacuum');
			}
		} catch(Dropbox_Exception $e) {
			return $e->getMessage();
		}
		return true;
	}
	
	/**
	 * Parse line from dropbox metadata output and return file stat (array)
	 *
	 * @param  string  $raw  line from ftp_rawlist() output
	 * @return array
	 * @author Dmitry Levashov
	 **/
	protected function parseRaw($raw) {
		$stat = array();

		$stat['rev']   = isset($raw['rev'])? $raw['rev'] : 'root';
		$stat['name']  = $this->_basename($raw['path']);
		$stat['mime']  = $raw['is_dir']? 'directory' : $raw['mime_type'];
		$stat['size']  = $stat['mime'] == 'directory' ? 0 : $raw['bytes'];
		$stat['ts']    = isset($raw['client_mtime'])? strtotime($raw['client_mtime']) :
		                (isset($raw['modified'])? strtotime($raw['modified']) : $_SERVER['REQUEST_TIME']);
		$stat['dirs'] = 0;
		if ($raw['is_dir']) {
			$stat['dirs'] = (int)(bool)$this->query('select path from '.$this->DB_TableName.' where isdir=1 and path='.$this->DB->quote(strtolower($raw['path'])));
		}
		
		if (!empty($raw['url'])) {
			$stat['url'] = $raw['url'];
		} else if (! $this->disabledGetUrl) {
			$stat['url'] = '1';
		}
		if (isset($raw['width'])) $stat['width'] = $raw['width'];
		if (isset($raw['height'])) $stat['height'] = $raw['height'];
		
		return $stat;
	}

	/**
	 * Cache dir contents
	 *
	 * @param  string  $path  dir path
	 * @return string
	 * @author Dmitry Levashov
	 **/
	protected function cacheDir($path) {
		$this->dirsCache[$path] = array();
		$hasDir = false;
		
		$res = $this->query('select dat from '.$this->DB_TableName.' where path='.$this->DB->quote(strtolower($path)));
		
		if ($res) {
			foreach($res as $raw) {
				$raw = unserialize($raw);
				if ($stat = $this->parseRaw($raw)) {
					$stat = $this->updateCache($raw['path'], $stat);
					if (empty($stat['hidden']) && $path !== $raw['path']) {
						if (! $hasDir && $stat['mime'] === 'directory') {
							$hasDir = true;
						}
						$this->dirsCache[$path][] = $raw['path'];
					}
				}
			}
		}
		
		if (isset($this->sessionCache['subdirs'])) {
			$this->sessionCache['subdirs'][$path] = $hasDir;
		}
		
		return $this->dirsCache[$path];
	}

	/**
	* Recursive files search
	*
	* @param  string  $path   dir path
	* @param  string  $q      search string
	* @param  array   $mimes
	* @return array
	* @author Naoki Sawada
	**/
	protected function doSearch($path, $q, $mimes) {
		$result = array();
		$sth = $this->DB->prepare('select dat from '.$this->DB_TableName.' WHERE path LIKE ? AND fname LIKE ?');
		$sth->execute(array((($path === '/')? '' : strtolower($path)).'%', '%'.strtolower($q).'%'));
		$res = $sth->fetchAll(PDO::FETCH_COLUMN);
		$timeout = $this->options['searchTimeout']? $this->searchStart + $this->options['searchTimeout'] : 0;
		
		if ($res) {
			foreach($res as $raw) {
				if ($timeout && $timeout < time()) {
					$this->setError(elFinder::ERROR_SEARCH_TIMEOUT, $this->path($this->encode($path)));
					break;
				}
				
				$raw = unserialize($raw);
				if ($stat = $this->parseRaw($raw)) {
					if (!isset($this->cache[$raw['path']])) {
						$stat = $this->updateCache($raw['path'], $stat);
					}
					if (!empty($stat['hidden']) || ($mimes && $stat['mime'] === 'directory') || !$this->mimeAccepted($stat['mime'], $mimes)) {
						continue;
					}
					$stat = $this->stat($raw['path']);
					$stat['path'] = $this->path($stat['hash']);
					$result[] = $stat;
				}
			}
		}
		return $result;
	}
	
	/**
	* Copy file/recursive copy dir only in current volume.
	* Return new file path or false.
	*
	* @param  string  $src   source path
	* @param  string  $dst   destination dir path
	* @param  string  $name  new file name (optionaly)
	* @return string|false
	* @author Dmitry (dio) Levashov
	* @author Naoki Sawada
	**/
	protected function copy($src, $dst, $name) {

		$this->clearcache();

		return $this->_copy($src, $dst, $name)
		? $this->_joinPath($dst, $name)
		: $this->setError(elFinder::ERROR_COPY, $this->_path($src));
	}

	/**
	 * Remove file/ recursive remove dir
	 *
	 * @param  string $path file path
	 * @param  bool $force try to remove even if file locked
	 * @param bool $recursive
	 * @return bool
	 * @author Dmitry (dio) Levashov
	 * @author Naoki Sawada
	 */
	protected function remove($path, $force = false, $recursive = false) {
		$stat = $this->stat($path);
		$stat['realpath'] = $path;
		$this->rmTmb($stat);
		$this->clearcache();
	
		if (empty($stat)) {
			return $this->setError(elFinder::ERROR_RM, $this->_path($path), elFinder::ERROR_FILE_NOT_FOUND);
		}
	
		if (!$force && !empty($stat['locked'])) {
			return $this->setError(elFinder::ERROR_LOCKED, $this->_path($path));
		}
	
		if ($stat['mime'] == 'directory') {
			if (!$recursive && !$this->_rmdir($path)) {
				return $this->setError(elFinder::ERROR_RM, $this->_path($path));
			}
		} else {
			if (!$recursive && !$this->_unlink($path)) {
				return $this->setError(elFinder::ERROR_RM, $this->_path($path));
			}
		}
	
		$this->removed[] = $stat;
		return true;
	}

	/**
	 * Create thumnbnail and return it's URL on success
	 *
	 * @param  string $path file path
	 * @param $stat
	 * @return false|string
	 * @internal param string $mime file mime type
	 * @author Dmitry (dio) Levashov
	 * @author Naoki Sawada
	 */
	protected function createTmb($path, $stat) {
		if (!$stat || !$this->canCreateTmb($path, $stat)) {