<?php

/*

 * CKFinder

 * ========

 * http://ckfinder.com

 * Copyright (C) 2007-2011, CKSource - Frederico Knabben. All rights reserved.

 *

 * The software, this file and its contents are subject to the CKFinder

 * License. Please read the license.txt file before using, installing, copying,

 * modifying or distribute this file or part of its contents. The contents of

 * this file is part of the Source Code of CKFinder.

 */

if (!defined('IN_CKFINDER')) exit;



/**

 * @package CKFinder

 * @subpackage CommandHandlers

 * @copyright CKSource - Frederico Knabben

 */



/**

 * Include base XML command handler

 */

require_once CKFINDER_CONNECTOR_LIB_DIR . "/CommandHandler/XmlCommandHandlerBase.php";



/**

 * Handle GetFolders command

 *

 * @package CKFinder

 * @subpackage CommandHandlers

 * @copyright CKSource - Frederico Knabben

 */

class CKFinder_Connector_CommandHandler_GetFolders extends CKFinder_Connector_CommandHandler_XmlCommandHandlerBase

{

    /**

     * Command name

     *

     * @access private

     * @var string

     */

    var $command = "GetFolders";



    /**

     * handle request and build XML

     * @access protected

     *

     */

    function buildXml()

    {

        $_config =& CKFinder_Connector_Core_Factory::getInstance("Core_Config");

        if (!$this->_currentFolder->checkAcl(CKFINDER_CONNECTOR_ACL_FOLDER_VIEW)) {

            $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_UNAUTHORIZED);

        }



        // Map the virtual path to the local server path.

        $_sServerDir = $this->_currentFolder->getServerPath();



        if (!is_dir($_sServerDir)) {

            $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_FOLDER_NOT_FOUND);

        }



        // Create the "Folders" node.

        $oFoldersNode = new Ckfinder_Connector_Utils_XmlNode("Folders");

        $this->_connectorNode->addChild($oFoldersNode);



        $files = array();

        if ($dh = @opendir($_sServerDir)) {

            while (($file = readdir($dh)) !== false) {

                if ($file != "." && $file != ".." && is_dir($_sServerDir . $file)) {

                    $files[] = $file;

                }

            }

            closedir($dh);

        } else {

            $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_ACCESS_DENIED);

        }



        $resourceTypeInfo = $this->_currentFolder->getResourceTypeConfig();



        if (sizeof($files)>0) {

            natcasesort($files);

            $i=0;

            foreach ($files as $file) {

                $oAcl = $_config->getAccessControlConfig();

                $aclMask = $oAcl->getComputedMask($this->_currentFolder->getResourceTypeName(), $this->_currentFolder->getClientPath() . $file . "/");



                if (($aclMask & CKFINDER_CONNECTOR_ACL_FOLDER_VIEW) != CKFINDER_CONNECTOR_ACL_FOLDER_VIEW) {

                    continue;

                }

                if ($resourceTypeInfo->checkIsHiddenFolder($file)) {

                    continue;

                }



                // Create the "Folder" node.

                $oFolderNode[$i] = new Ckfinder_Connector_Utils_XmlNode("Folder");

                $oFoldersNode->addChild($oFolderNode[$i]);

                $oFolderNode[$i]->addAttribute("name", CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding($file));

                $oFolderNode[$i]->addAttribute("hasChildren", CKFinder_Connector_Utils_FileSystem::hasChildren($_sServerDir . $file) ? "true" : "false");

                $oFolderNode[$i]->addAttribute("acl", $aclMask);



                $i++;

            }

        }

    }

}