import org.lastaflute.web.response.ActionResponse;

public interface SsoAuthenticator {

    LoginCredential getLoginCredential();

    void resolveCredential(LoginCredentialResolver resolver);

    ActionResponse getResponse(SsoResponseType responseType);

    String logout(FessUserBean user);

            }
        });
    }

    // ===================================================================================
    //                                                                       Resolve Label
    //                                                                       =============
    protected String resolveLabelIfNeeds(final MessageManager messageManager, final Locale locale, final String label) {

        Path filePath = ResourceUtil.getSitePath(path.replaceAll("\\.\\.+", StringUtil.EMPTY).replaceAll("/+", "/").split("/"));
        if (Files.isDirectory(filePath)) {
            filePath = filePath.resolve("index.html");
        }
        if (Files.exists(filePath)) {
            try (InputStream in = Files.newInputStream(filePath); ServletOutputStream out = response.getOutputStream()) {

                    if (!docId.startsWith("_")) {
                        final String filename = getImageFilename(docId);
                        final Path newPath = basePath.resolve(filename);
                        if (!path.equals(newPath)) {
                            try {
                                try {
                                    Files.createDirectories(newPath.getParent());

    }

    @Override
    public void resolveCredential(final LoginCredentialResolver resolver) {
        resolver.resolve(OpenIdConnectCredential.class, credential -> OptionalEntity.of(credential.getUser()));
    }

    @Override
    public ActionResponse getResponse(final SsoResponseType responseType) {