}
    }

    public void test_decode() {
        assertNull(permissionHelper.decode(null));
        assertNull(permissionHelper.decode(""));
        assertNull(permissionHelper.decode(" "));
        assertNull(permissionHelper.decode("D"));

        assertEquals("{user}guest", permissionHelper.decode("1guest"));
        assertEquals("{role}guest", permissionHelper.decode("Rguest"));

                    final String key = urlCodec.decode(pair.substring(0, pos), enc);
                    List<String> list = paramListMap.get(key);
                    if (list == null) {
                        list = new ArrayList<>();
                        paramListMap.put(key, list);
                    }
                    if (pos + 1 < pair.length()) {
                        list.add(urlCodec.decode(pair.substring(pos + 1), enc));

            }
        }

        final String targetUrl = pathMappingHelper.replaceUrl(url);

        String hash;
        if (StringUtil.isNotBlank(form.hash)) {
            final String value = URLUtil.decode(form.hash, Constants.UTF_8);
            if (targetUrl.indexOf('#') == -1) {
                final StringBuilder buf = new StringBuilder(value.length() + 100);
                for (final char c : value.toCharArray()) {

        });
        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")));
        body.virtualHosts = stream(entity.getVirtualHosts())

        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();
        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());
    }

    }

    // 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)) {

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

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

        return abbreviateSite(url);
    }

        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)) {

        });
        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;
    }