. * * @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); } require_once(INSTALLDIR.'/plugins/Recaptcha/recaptchalib.php'); class RecaptchaPlugin extends Plugin { var $private_key; var $public_key; var $display_errors; var $failed; var $ssl; function onInitializePlugin(){ if(!isset($this->private_key)) { common_log(LOG_ERR, 'Recaptcha: Must specify private_key in config.php'); } if(!isset($this->public_key)) { common_log(LOG_ERR, 'Recaptcha: Must specify public_key in config.php'); } } function checkssl(){ if(common_config('site', 'ssl') === 'sometimes' || common_config('site', 'ssl') === 'always') { return true; } return false; } function onEndRegistrationFormData($action) { $action->elementStart('li'); $action->raw(''._m('Captcha').''); // AJAX API will fill this div out. // We're calling that instead of the regular one so we stay compatible // with application/xml+xhtml output as for mobile. $action->element('div', array('id' => 'recaptcha')); $action->elementEnd('li'); $action->recaptchaPluginNeedsOutput = true; return true; } function onEndShowScripts($action) { if (isset($action->recaptchaPluginNeedsOutput) && $action->recaptchaPluginNeedsOutput) { // Load the AJAX API if ($this->checkssl()) { $url = "https://api-secure.recaptcha.net/js/recaptcha_ajax.js"; } else { $url = "http://api.recaptcha.net/js/recaptcha_ajax.js"; } $action->script($url); // And when we're ready, fill out the captcha! $key = json_encode($this->public_key); $action->inlinescript("\$(function(){Recaptcha.create($key, 'recaptcha');});"); } 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(sprintf(_("(reCAPTCHA error: %s)", $resp->error))); } $action->showForm(_m("Captcha does not match!")); return false; } } function onPluginVersion(&$versions) { $versions[] = array('name' => 'Recaptcha', 'version' => STATUSNET_VERSION, 'author' => 'Eric Helgeson', 'homepage' => 'http://status.net/wiki/Plugin:Recaptcha', 'rawdescription' => _m('Uses Recaptcha service to add a '. 'captcha to the registration page.')); return true; } }