} else {
            hash = StringUtil.EMPTY;
        }

        if (!isFileSystemPath(targetUrl)) {
            if (isValidRedirectUrl(targetUrl)) {
                return HtmlResponse.fromRedirectPathAsIs(DocumentUtil.encodeUrl(targetUrl + hash));
            } else {
                logger.warn("Invalid redirect URL detected: {}", targetUrl);

        fessLoginAssist.logout();
        userInfoHelper.deleteUserCodeFromCookie(request);
        if (StringUtil.isNotBlank(redirectUrl)) {
            return HtmlResponse.fromRedirectPathAsIs(redirectUrl);
        }
        return redirect(LoginAction.class);
    }