1: <?php
2: /**
3: * Magento
4: *
5: * NOTICE OF LICENSE
6: *
7: * This source file is subject to the Open Software License (OSL 3.0)
8: * that is bundled with this package in the file LICENSE.txt.
9: * It is also available through the world-wide-web at this URL:
10: * http://opensource.org/licenses/osl-3.0.php
11: * If you did not receive a copy of the license and are unable to
12: * obtain it through the world-wide-web, please send an email
13: * to license@magentocommerce.com so we can send you a copy immediately.
14: *
15: * DISCLAIMER
16: *
17: * Do not edit or add to this file if you wish to upgrade Magento to newer
18: * versions in the future. If you wish to customize Magento for your
19: * needs please refer to http://www.magentocommerce.com for more information.
20: *
21: * @category Mage
22: * @package Mage_Captcha
23: * @copyright Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
24: * @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
25: */
26:
27: /**
28: * Captcha controller
29: *
30: * @category Mage
31: * @package Mage_Core
32: * @author Magento Core Team <core@magentocommerce.com>
33: */
34: class Mage_Captcha_Adminhtml_RefreshController extends Mage_Adminhtml_Controller_Action
35: {
36: /**
37: * Refreshes captcha and returns JSON encoded URL to image (AJAX action)
38: * Example: {'imgSrc': 'http://example.com/media/captcha/67842gh187612ngf8s.png'}
39: *
40: * @return null
41: */
42: public function refreshAction()
43: {
44: $formId = $this->getRequest()->getPost('formId');
45: $captchaModel = Mage::helper('captcha')->getCaptcha($formId);
46: $this->getLayout()->createBlock($captchaModel->getBlockName())->setFormId($formId)->setIsAjax(true)->toHtml();
47: $this->getResponse()->setBody(json_encode(array('imgSrc' => $captchaModel->getImgSrc())));
48: $this->setFlag('', self::FLAG_NO_POST_DISPATCH, true);
49: }
50: }
51: