68 lines
2.1 KiB
PHP
68 lines
2.1 KiB
PHP
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<?php
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/**
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* @package Joomla.Libraries
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* @subpackage Form
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*
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* @copyright Copyright (C) 2005 - 2010 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* Form Rule class for the Joomla Framework.
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*
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* @package Joomla.Libraries
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* @subpackage Form
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* @since 2.5
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*/
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class JFormRuleCaptcha extends JFormRule
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{
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/**
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* Method to test if the Captcha is correct.
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*
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* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
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* @param mixed $value The form field value to validate.
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* @param string $group The field name group control value. This acts as as an array container for the field.
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* For example if the field has name="foo" and the group value is set to "bar" then the
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* full field name would end up being "bar[foo]".
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* @param JRegistry $input An optional JRegistry object with the entire data set to validate against the entire form.
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* @param JForm $form The form object for which the field is being tested.
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*
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* @return boolean True if the value is valid, false otherwise.
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*
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* @since 2.5
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*/
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public function test(SimpleXMLElement $element, $value, $group = null, JRegistry $input = null, JForm $form = null)
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{
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$plugin = $element['plugin'] ?: JFactory::getApplication()->getParams()->get('captcha', JFactory::getConfig()->get('captcha', 0));
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$namespace = $element['namespace'] ?: $form->getName();
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// Use 0 for none
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if ($plugin === 0 || $plugin === '0')
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{
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return true;
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}
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else
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{
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$captcha = JCaptcha::getInstance($plugin, array('namespace' => (string) $namespace));
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}
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// Test the value.
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if (!$captcha->checkAnswer($value))
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{
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$error = $captcha->getError();
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if ($error instanceof Exception)
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{
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return $error;
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}
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else
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{
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return new JException($error);
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}
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}
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return true;
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}
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}
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