public function connect_clef_account()
 {
     if (ClefUtils::isset_GET('connect_clef_account') && ClefUtils::isset_get('code')) {
         try {
             $info = ClefUtils::exchange_oauth_code_for_info(ClefUtils::isset_GET('code'), $this->settings);
             $result = ClefUtils::associate_clef_id($info->id);
             if (is_wp_error($result)) {
                 $this->connect_error = $result;
             } else {
                 $session = ClefSession::start();
                 $session->set('logged_in_at', time());
                 return;
             }
         } catch (LoginException $e) {
             $this->connect_error = new WP_Error("bad_oauth_exchange", $e->getMessage());
         } catch (ClefStateException $e) {
             $this->connect_error = new WP_Error("bad_state_parameter", $e->getMessage());
         }
     }
 }