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编辑当前文件:/home2/sdektunc/chikindzonotyucatan.gob.mx/libraries/src/Form/Rule/CaptchaRule.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Form\Rule;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Captcha\Captcha;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormRule;
use Joomla\Registry\Registry;

/**
 * Form Rule class for the Joomla Framework.
 *
 * @since  2.5
 */
class CaptchaRule extends FormRule
{
	/**
	 * Method to test if the Captcha is correct.
	 *
	 * @param   \SimpleXMLElement  $element  The SimpleXMLElement object representing the `<field>` tag for the form field object.
	 * @param   mixed              $value    The form field value to validate.
	 * @param   string             $group    The field name group control value. This acts as an array container for the field.
	 *                                       For example if the field has name="foo" and the group value is set to "bar" then the
	 *                                       full field name would end up being "bar[foo]".
	 * @param   Registry           $input    An optional Registry object with the entire data set to validate against the entire form.
	 * @param   Form               $form     The form object for which the field is being tested.
	 *
	 * @return  boolean  True if the value is valid, false otherwise.
	 *
	 * @since   2.5
	 */
	public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
	{
		$app    = Factory::getApplication();
		$plugin = $app->get('captcha');

if ($app->isClient('site'))
		{
			$plugin = $app->getParams()->get('captcha', $plugin);
		}

$namespace = $element['namespace'] ?: $form->getName();

// Use 0 for none
		if ($plugin === 0 || $plugin === '0')
		{
			return true;
		}

try
		{
			$captcha = Captcha::getInstance((string) $plugin, array('namespace' => (string) $namespace));

return $captcha->checkAnswer($value);
		}
		catch (\RuntimeException $e)
		{
			$app->enqueueMessage($e->getMessage(), 'error');
		}

return false;
	}
}