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<?php /** * @package phocaguestbook * @subpackage Models * @copyright Copyright (C) 2012 Jan Pavelka www.phoca.cz * @license http://www.gnu.org/copyleft/gpl.html GNU/GPL */ defined('_JEXEC') or die; class JFormRulePhocaguestbookCaptcha extends JFormRule { public function test(SimpleXMLElement $element, $value, $group = null, JRegistry $input = null, JForm $form = null) { //E_ERROR, E_WARNING, E_NOTICE, E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE. $info = array(); $info['field'] = 'guestbook_captcha'; $params = JComponentHelper::getParams('com_phocaguestbook'); $session = JFactory::getSession(); $namespace = 'pgb'.$params->get('session_suffix'); $captchaId = $session->get('captcha_id', null, $namespace); $value_exp = $session->get('captcha_result', null, $namespace); $session->clear('captcha_id', $namespace); $session->clear('captcha_result', $namespace); switch ($captchaId) { default: case 1: //COM_PHOCAGUESTBOOK_JOOMLA_CAPTCHA -> do not use this check return new JException(JText::_('COM_PHOCAGUESTBOOK_POSSIBLE_SPAM_DETECTED' ), "105", E_USER_ERROR, $info, false); break; case 2: //COM_PHOCAGUESTBOOK_STANDARD_CAPTCHA case 3: //COM_PHOCAGUESTBOOK_MATH_CAPTCHA case 4: //COM_PHOCAGUESTBOOK_TTF_CAPTCHA case 6: //COM_PHOCAGUESTBOOK_EASYCALC_CAPTCHA case 8: //COM_PHOCAGUESTBOOK_HN_CAPTCHA if (!$value_exp) { return new JException(JText::_('COM_PHOCAGUESTBOOK_POSSIBLE_SPAM_DETECTED' ), "105", E_USER_ERROR, $info, false); } else if (!$value) { return new JException(JText::_('COM_PHOCAGUESTBOOK_WRONG_CAPTCHA' ), "105", E_USER_ERROR, $info, false); } else if ($value != $value_exp) { return new JException(JText::_('COM_PHOCAGUESTBOOK_WRONG_CAPTCHA' ), "105", E_USER_ERROR, $info, false); } break; case 5: //COM_PHOCAGUESTBOOK_RECAPTCHA_CAPTCHA require_once JPATH_COMPONENT.'/assets/recaptcha/recaptchalib.php'; //We need to reed recaptcha fields! $app = JFactory::getApplication(); $challange = $app->input->post->get('recaptcha_challenge_field', 'ABC', 'string'); $response = $app->input->post->get('recaptcha_response_field', 'DEF', 'string'); $privateKey = $params->get('recaptcha_privatekey'); $resp = PhocaguestbookHelperReCaptcha::recaptcha_check_answer ($privateKey, $_SERVER["REMOTE_ADDR"], $challange, $response); if (!$resp->is_valid) { // What happens when the CAPTCHA was entered incorrectly return new JException(JText::_('COM_PHOCAGUESTBOOK_WRONG_CAPTCHA' ), "105", E_USER_ERROR, $info, false); } break; case 7: //COM_PHOCAGUESTBOOK_MOLLOM_CAPTCHA -> not implemented yet! require_once JPATH_COMPONENT.'/helpers/phocaguestbookonlinecheck.php'; $mollomSession = $session->get('captcha_session', null, $namespace); $resp = PhocaguestbookOnlinecheckHelper::checkMollomCaptcha( $params->get('mollom_publickey'), $params->get('mollom_privatekey'), $mollomSession, $value); if ($resp == false) { // What happens when the CAPTCHA was entered incorrectly return new JException(JText::_('COM_PHOCAGUESTBOOK_WRONG_CAPTCHA' ), "105", E_USER_ERROR, $info, false); } break; } //Switch return true; } }

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