CommWEB/inc/xheditor/demos/ckfinder/plugins/zip/plugin.php

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<?php
/*
* CKFinder
* ========
* http://ckfinder.com
* Copyright (C) 2007-2012, 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.
*
* CKFinder extension: provides commands to add files into a zip archive, or extract contents from a zip.
*/
if (!defined('IN_CKFINDER')) exit;

/**
 * Include base XML command handler
 */
require_once CKFINDER_CONNECTOR_LIB_DIR . "/CommandHandler/XmlCommandHandlerBase.php";

class CKFinder_Connector_CommandHandler_Unzip extends CKFinder_Connector_CommandHandler_XmlCommandHandlerBase
{
  protected $filePath;
  protected $skippedFilesNode;
  protected $_config;

  /**
   * Handle request and build XML
   */
  protected function buildXml()
  {
    if (empty($_POST['CKFinderCommand']) || $_POST['CKFinderCommand'] != 'true') {
      $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_REQUEST);
    }

    if (!extension_loaded('zip')) {
      $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_COMMAND);
    }

    $this->checkConnector();
    $this->checkRequest();

    if ( !$this->_currentFolder->checkAcl(CKFINDER_CONNECTOR_ACL_FILE_UPLOAD)) {
      $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_UNAUTHORIZED);
    }

    if (!isset($_POST["fileName"])) {
      $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_NAME);
    }

    $fileName = CKFinder_Connector_Utils_FileSystem::convertToFilesystemEncoding($_POST["fileName"]);
    $resourceTypeInfo = $this->_currentFolder->getResourceTypeConfig();

    if (!$resourceTypeInfo->checkExtension($fileName)) {
      $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_EXTENSION);
    }

    if (!CKFinder_Connector_Utils_FileSystem::checkFileName($fileName) || $resourceTypeInfo->checkIsHiddenFile($fileName)) {
      $this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_REQUEST);