return stream(getRoles()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        return stream(getGroups()).get(stream -> stream.map(this::decode).toArray(n -> new String[n]));
    }

    private String decode(final String value) {
        return new String(Base64.getDecoder().decode(value), Constants.CHARSET_UTF_8);
    }

    @Override

                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
                    form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                            .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())

                enc = getFessConfig().getCrawlerDocumentSiteEncoding();
            } else {
                enc = encoding;
            }

            try {
                url = URLDecoder.decode(url, enc);
            } catch (final Exception e) {}
        }

        return abbreviateSite(url);
    }

                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
                    form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                            .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())

                    final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
                    form.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                            .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())

        final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
        body.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
        return asJson(new ApiResult.ApiConfigResponse().setting(body).status(ApiResult.Status.OK).result());
    }

            }

            // decode
            if (!isSmbOrFtpUrl) {
                // file
                try {
                    url = URLDecoder.decode(url.replace("+", "%2B"), urlLinkEncoding);
                } catch (final Exception e) {
                    if (logger.isDebugEnabled()) {
                        logger.warn("Failed to decode {}", url, e);
                    }
                }

        return asIndexHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public ActionResponse download(final String id) {
        final String filename = new String(Base64.getDecoder().decode(id), StandardCharsets.UTF_8).replace("..", "").replaceAll("\\s", "");
        final String logFilePath = systemHelper.getLogFilePath();
        if (StringUtil.isNotBlank(logFilePath) && isLogFilename(filename)) {

    }

    // GET /api/admin/log/file/{id}
    @Execute
    public StreamResponse get$file(final String id) {
        final String filename = new String(Base64.getDecoder().decode(id), StandardCharsets.UTF_8).replace("..", "").replaceAll("\\s", "");
        final String logFilePath = systemHelper.getLogFilePath();
        if (StringUtil.isNotBlank(logFilePath) && isLogFilename(filename)) {

        });
        final PermissionHelper permissionHelper = ComponentUtil.getPermissionHelper();
        body.permissions = stream(entity.getPermissions()).get(stream -> stream.map(s -> permissionHelper.decode(s))
                .filter(StringUtil::isNotBlank).distinct().collect(Collectors.joining("\n")));
        return body;
    }