. * * @category Plugin * @package StatusNet * @author Eric Helgeson * @copyright 2009 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://status.net/ */ if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } define('RECAPTCHA', '0.2'); class recaptcha extends Plugin { var $private_key; var $public_key; var $display_errors; var $failed; var $ssl; function __construct($public_key, $private_key, $display_errors=false) { parent::__construct(); require_once(INSTALLDIR.'/plugins/recaptcha/recaptchalib.php'); $this->public_key = $public_key; $this->private_key = $private_key; $this->display_errors = $display_errors; } function checkssl(){ if(common_config('site', 'ssl') === 'sometimes' || common_config('site', 'ssl') === 'always') { return true; } return false; } function onStartShowHTML($action) { //XXX: Horrible hack to make Safari, FF2, and Chrome work with //reChapcha. reChapcha beaks xhtml strict header('Content-Type: text/html'); $action->extraHeaders(); $action->startXML('html'); $action->raw(''); return false; } function onEndRegistrationFormData($action) { $action->elementStart('li'); $action->raw('Captcha'); if($this->checkssl() === true){ $action->raw(recaptcha_get_html($this->public_key), null, true); } else { $action->raw(recaptcha_get_html($this->public_key)); } $action->elementEnd('li'); return true; } function onStartRegistrationTry($action) { $resp = recaptcha_check_answer ($this->private_key, $_SERVER["REMOTE_ADDR"], $action->trimmed('recaptcha_challenge_field'), $action->trimmed('recaptcha_response_field')); if (!$resp->is_valid) { if($this->display_errors) { $action->showForm ("(reCAPTCHA said: " . $resp->error . ")"); } $action->showForm("Captcha does not match!"); return false; } } }