// http://vanillaforums.org/discussion/18495
   public function Base_BeforeDispatch_Handler($Sender, $Args) {
        if (Gdn::Session()->UserID > 0) return; // user signed in, don't check
        $CookieName = C('Garden.Cookie.Name', 'Vanilla').'-ConnectFlood';
        if (GetValue($CookieName, $_COOKIE)) { return; }
        setcookie($CookieName, TRUE, time() + 60, '/'); // flood control 1 min
        $Providers = self::GetAllProviders();
        @session_write_close();
        foreach ($Providers as $Provider) {
            $Url = self::ConnectUrl($Provider, TRUE, FALSE);
            if (strpos($Url, 'vanillajs.php') === FALSE)
                continue;
            try {
                $Response = ProxyRequest($Url, 5, TRUE);
            } catch (Exception $Ex) {
                echo "Error: ";
                echo $Ex->getMessage()."<br />\n";
                continue;
            }
            $Data = @json_decode($Response, TRUE);
            if (!empty($Data['name'])) {
                $Data['Url'] = $Url;
                $client_id = GetValue('AuthenticationKey', $Provider);
                header('Location: ' . 'entry/jsconnect?client_id='.$client_id.'&Target=/');
            }
        }
    }