return new ActionResponseCredential(() -> HtmlResponse.fromRedirectPathAsIs(getAuthUrl(request)));
        }).orElse(null);
    }

    /**
     * Gets the authorization URL for OpenID Connect.
     *
     * @param request the HTTP servlet request
     * @return the authorization URL
     */
    protected String getAuthUrl(final HttpServletRequest request) {
        final String state = UuidUtil.create();