<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magento.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magento.com for more information.
 *
 * @category    Mage
 * @package     Mage_Adminhtml
 * @copyright  Copyright (c) 2006-2020 Magento, Inc. (http://www.magento.com)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Wysiwyg controller for different purposes
 *
 * @category    Mage
 * @package     Mage_Adminhtml
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Adminhtml_Cms_WysiwygController extends Mage_Adminhtml_Controller_Action
{
    /**
     * Template directives callback
     *
     * TODO: move this to some model
     */
    public function directiveAction()
    {
        $directive = $this->getRequest()->getParam('___directive');
        $directive = Mage::helper('core')->urlDecode($directive);
        $url = Mage::getModel('cms/adminhtml_template_filter')->filter($directive);
        try {
            $allowedStreamWrappers = Mage::helper('cms')->getAllowedStreamWrappers();
            if (!Mage::getModel('core/file_validator_streamWrapper', $allowedStreamWrappers)->validate($url)) {
                Mage::throwException(Mage::helper('core')->__('Invalid stream.'));
            }
            $image = Varien_Image_Adapter::factory('GD2');
            $image->open($url);
        } catch (Exception $e) {
            $image = Varien_Image_Adapter::factory('GD2');
            $image->open(Mage::getSingleton('cms/wysiwyg_config')->getSkinImagePlaceholderPath());
        }
        $this->getResponse()->setHeader('Content-type', $image->getMimeTypeWithOutFileType());
        ob_start();
        $image->display();
        $this->getResponse()->setBody(ob_get_contents());
        ob_end_clean();
    }

    /**
     * Check the permission to run it
     *
     * @return boolean
     */
    protected function _isAllowed()
    {
        return Mage::getSingleton('admin/session')->isAllowed('cms');
    }
}
