<?php

/**
 * CKEditor - The text editor for the Internet - http://ckeditor.com
 * Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses of your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * @file
 * CKEditor Module for Drupal 7.x
 *
 * This file is required by the CKEeditor module if you want to enable CKFinder,
 * an advanced Ajax file browser.
 *
 */

$GLOBALS['devel_shutdown'] = FALSE;

if (!function_exists('ob_list_handlers') || ob_list_handlers()) {
    @ob_end_clean();
}

$ckfinder_user_files_path = '';
$ckfinder_user_files_absolute_path = '';

function CheckAuthentication() {
    static $authenticated;

    if (!isset($authenticated)) {
        if (!empty($_SERVER['SCRIPT_FILENAME'])) {
            $drupal_path = dirname(dirname(dirname(dirname($_SERVER['SCRIPT_FILENAME']))));
            if (!file_exists($drupal_path . '/includes/bootstrap.inc')) {
                $drupal_path = dirname(dirname(dirname($_SERVER['SCRIPT_FILENAME'])));
                $depth = 2;
                do {
                    $drupal_path = dirname($drupal_path);
                    $depth++;
                } while (!($bootstrap_file_found = file_exists($drupal_path . '/includes/bootstrap.inc')) && $depth < 10);
            }
        }

        if (!isset($bootstrap_file_found) || !$bootstrap_file_found) {
            $drupal_path = '../../../../..';
            if (!file_exists($drupal_path . '/includes/bootstrap.inc')) {
                $drupal_path = '../..';
                do {
                    $drupal_path .= '/..';
                    $depth = substr_count($drupal_path, '..');
                } while (!($bootstrap_file_found = file_exists($drupal_path . '/includes/bootstrap.inc')) && $depth < 10);
            }
        }
        if (!isset($bootstrap_file_found) || $bootstrap_file_found) {
            $current_cwd = getcwd();
            chdir($drupal_path);
            if (!defined('DRUPAL_ROOT')){
                define('DRUPAL_ROOT', $drupal_path);
            }
            require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
            drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
            $authenticated = user_access('allow CKFinder file uploads');
            if (isset($_GET['id'], $_SESSION['ckeditor'][$_GET['id']]['UserFilesPath'], $_SESSION['ckeditor'][$_GET['id']]['UserFilesAbsolutePath'])){
                $_SESSION['ckeditor']['UserFilesPath'] = $_SESSION['ckeditor'][$_GET['id']]['UserFilesPath'];
                $_SESSION['ckeditor']['UserFilesAbsolutePath'] = $_SESSION['ckeditor'][$_GET['id']]['UserFilesAbsolutePath'];
            }
            chdir($current_cwd);
        }
    }

    return $authenticated;
}

CheckAuthentication();

if (isset($_SESSION['ckeditor']['UserFilesPath'], $_SESSION['ckeditor']['UserFilesAbsolutePath'])) {
    $baseUrl = $_SESSION['ckeditor']['UserFilesPath'];
    $baseDir = $_SESSION['ckeditor']['UserFilesAbsolutePath'];
} else {
    // Nothing in session? Shouldn't happen... anyway let's try to upload it in the (almost) right place
    // Path to user files relative to the document root.
    $baseUrl = strtr(base_path(), array(
                '/modules/ckeditor/ckfinder/core/connector/php' => '',
            )) . variable_get('file_private_path', conf_path() . '/files') . '/';
    $baseDir = resolveUrl($baseUrl);
}
