/**
* Checks if a Captcha string matches the Captcha attached to the comment post
* Returns true if there is a match.
*
* @param string $key
* @param string $mollom_session
* @param string $code_ok
* @return bool
*/
function checkCaptcha($mollom_session, $code_ok)
{
// set keys
Mollom::setPublicKey(getOption('public_key'));
Mollom::setPrivateKey(getOption('private_key'));
$servers = Mollom::getServerList();
Mollom::setServerList($servers);
if (!Mollom::checkCaptcha($mollom_session, $code)) {
return false;
}
query('DELETE FROM ' . prefix('captcha') . ' WHERE `ptime`<' . (time() - 3600));
// expired tickets
$result = query('DELETE FROM ' . prefix('captcha') . ' WHERE `hash`="' . $mollom_session . '"');
$count = mysql_affected_rows();
return $count == 1;
}
public static function check($code)
{
self::prepare();
try
{
if (Mollom::checkCaptcha(Session::get('mollom/sessionid'), $code))
{
Session::delete('mollom/sessionid');
return null;
}
else
{
return self::createCaptcha();
}
}
catch (Exception $e)
{
return new MollomInvalidConfigCaptcha;
}
}
public function action_mollom_fallback(SuperGlobal $handler_vars, Comment $comment)
{
if (!empty($handler_vars['mollom_captcha']) && !empty($comment)) {
if (Mollom::checkCaptcha($comment->info->mollom_session_id, $handler_vars['mollom_captcha'])) {
$comment->status = 'unapproved';
$comment->insert();
$anchor = '#comment-' . $comment->id;
Utils::redirect($comment->post->permalink . $anchor);
exit;
} else {
Session::error(_t('Sorry, that answer was incorrect. Please try again.', 'mollom'));
$this->send_captcha($comment);
exit;
}
} elseif (empty($comment)) {
die(_t('Sorry, the gremlins ate your comment...', 'mollom'));
} else {
$this->send_captcha($comment);
exit;
}
}
