List of usage examples for io.netty.handler.codec.http HttpHeaderNames EXPIRES
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From source file:com.bunjlabs.fuga.network.netty.NettyHttpServerHandler.java
License:Apache License
private void writeResponse(ChannelHandlerContext ctx, Request request, Response response) { HttpResponse httpresponse = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(response.status())); httpresponse.headers().set(HttpHeaderNames.TRANSFER_ENCODING, HttpHeaderValues.CHUNKED); httpresponse.headers().set(HttpHeaderNames.CONTENT_TYPE, response.contentType()); // Disable cache by default httpresponse.headers().set(HttpHeaderNames.CACHE_CONTROL, "no-cache, no-store, must-revalidate, max-age=0"); httpresponse.headers().set(HttpHeaderNames.PRAGMA, "no-cache"); httpresponse.headers().set(HttpHeaderNames.EXPIRES, "0"); response.headers().entrySet().stream().forEach((e) -> httpresponse.headers().set(e.getKey(), e.getValue())); httpresponse.headers().set(HttpHeaderNames.SERVER, "Fuga Netty Web Server/" + serverVersion); // Set cookies httpresponse.headers().set(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode(NettyCookieConverter.convertListToNetty(response.cookies()))); if (response.length() >= 0) { httpresponse.headers().set(HttpHeaderNames.CONTENT_LENGTH, response.length()); }/*from w ww .ja v a2 s .co m*/ if (HttpUtil.isKeepAlive(httprequest)) { httpresponse.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE); } else { httpresponse.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE); } ctx.write(httpresponse); if (response.stream() != null) { ctx.write(new HttpChunkedInput(new ChunkedStream(response.stream()))); } LastHttpContent fs = new DefaultLastHttpContent(); ChannelFuture sendContentFuture = ctx.writeAndFlush(fs); if (!HttpUtil.isKeepAlive(httprequest)) { sendContentFuture.addListener(ChannelFutureListener.CLOSE); } }
From source file:com.cmz.http.file.HttpStaticFileServerHandler.java
License:Apache License
/** * Sets the Date and Cache headers for the HTTP Response * * @param response// ww w. java 2s . c o m * HTTP response * @param fileToCache * file to extract content type */ private static void setDateAndCacheHeaders(HttpResponse response, File fileToCache) { SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US); dateFormatter.setTimeZone(TimeZone.getTimeZone(HTTP_DATE_GMT_TIMEZONE)); // Date header Calendar time = new GregorianCalendar(); response.headers().set(HttpHeaderNames.DATE, dateFormatter.format(time.getTime())); // Add cache headers time.add(Calendar.SECOND, HTTP_CACHE_SECONDS); response.headers().set(HttpHeaderNames.EXPIRES, dateFormatter.format(time.getTime())); response.headers().set(HttpHeaderNames.CACHE_CONTROL, "private, max-age=" + HTTP_CACHE_SECONDS); response.headers().set(HttpHeaderNames.LAST_MODIFIED, dateFormatter.format(new Date(fileToCache.lastModified()))); }
From source file:com.ociweb.pronghorn.adapter.netty.impl.HttpStaticFileServerHandler.java
License:Apache License
/** * Sets the Date and Cache headers for the HTTP Response * * @param response/*from w w w .ja v a 2 s . c om*/ * HTTP response * @param fileToCache * file to extract content type */ private static void setDateAndCacheHeaders(HttpResponse response, long lastModified) { SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US); dateFormatter.setTimeZone(TimeZone.getTimeZone(HTTP_DATE_GMT_TIMEZONE)); // Date header Calendar time = new GregorianCalendar(); response.headers().set(HttpHeaderNames.DATE, dateFormatter.format(time.getTime())); // Add cache headers time.add(Calendar.SECOND, HTTP_CACHE_SECONDS); response.headers().set(HttpHeaderNames.EXPIRES, dateFormatter.format(time.getTime())); response.headers().set(HttpHeaderNames.CACHE_CONTROL, "private, max-age=" + HTTP_CACHE_SECONDS); response.headers().set(HttpHeaderNames.LAST_MODIFIED, dateFormatter.format(new Date(lastModified))); }
From source file:dpfmanager.shell.modules.server.get.HttpGetHandler.java
License:Open Source License
private void setDateAndCacheHeaders(HttpResponse response, File fileToCache) { SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US); dateFormatter.setTimeZone(TimeZone.getTimeZone(HTTP_DATE_GMT_TIMEZONE)); // Date header Calendar time = new GregorianCalendar(); response.headers().set(HttpHeaderNames.DATE, dateFormatter.format(time.getTime())); // Add cache headers time.add(Calendar.SECOND, HTTP_CACHE_SECONDS); response.headers().set(HttpHeaderNames.EXPIRES, dateFormatter.format(time.getTime())); response.headers().set(HttpHeaderNames.CACHE_CONTROL, "private, max-age=" + HTTP_CACHE_SECONDS); response.headers().set(HttpHeaderNames.LAST_MODIFIED, dateFormatter.format(new Date(fileToCache.lastModified()))); }
From source file:eu.operando.operandoapp.service.ProxyService.java
License:Open Source License
private HttpFiltersSource getFiltersSource() { return new HttpFiltersSourceAdapter() { @Override//from ww w. ja v a 2 s . c o m public HttpFilters filterRequest(HttpRequest originalRequest) { return new HttpFiltersAdapter(originalRequest) { @Override public HttpObject serverToProxyResponse(HttpObject httpObject) { //check for proxy running if (MainUtil.isProxyPaused(mainContext)) return httpObject; if (httpObject instanceof HttpMessage) { HttpMessage response = (HttpMessage) httpObject; response.headers().set(HttpHeaderNames.CACHE_CONTROL, "no-cache, no-store, must-revalidate"); response.headers().set(HttpHeaderNames.PRAGMA, "no-cache"); response.headers().set(HttpHeaderNames.EXPIRES, "0"); } try { Method content = httpObject.getClass().getMethod("content"); if (content != null) { ByteBuf buf = (ByteBuf) content.invoke(httpObject); boolean flag = false; List<ResponseFilter> responseFilters = db.getAllResponseFilters(); if (responseFilters.size() > 0) { String contentStr = buf.toString(Charset.forName("UTF-8")); //Charset.forName(Charset.forName("UTF-8") for (ResponseFilter responseFilter : responseFilters) { String toReplace = responseFilter.getContent(); if (StringUtils.containsIgnoreCase(contentStr, toReplace)) { contentStr = contentStr.replaceAll("(?i)" + toReplace, StringUtils.leftPad("", toReplace.length(), '#')); flag = true; } } if (flag) { buf.clear().writeBytes(contentStr.getBytes(Charset.forName("UTF-8"))); } } } } catch (IndexOutOfBoundsException ex) { ex.printStackTrace(); Log.e("Exception", ex.getMessage()); } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException ex) { //ignore } return httpObject; } @Override public HttpResponse clientToProxyRequest(HttpObject httpObject) { //check for proxy running if (MainUtil.isProxyPaused(mainContext)) { return null; } //check for trusted access point String ssid = ((WifiManager) getSystemService(Context.WIFI_SERVICE)).getConnectionInfo() .getSSID(); String bssid = ((WifiManager) getSystemService(Context.WIFI_SERVICE)).getConnectionInfo() .getBSSID(); boolean trusted = false; TrustedAccessPoint curr_tap = new TrustedAccessPoint(ssid, bssid); for (TrustedAccessPoint tap : db.getAllTrustedAccessPoints()) { if (curr_tap.isEqual(tap)) { trusted = true; } } if (!trusted) { return getUntrustedGatewayResponse(); } //check for blocked url //check for exfiltration requestFilterUtil = new RequestFilterUtil(getApplicationContext()); locationInfo = requestFilterUtil.getLocationInfo(); contactsInfo = requestFilterUtil.getContactsInfo(); IMEI = requestFilterUtil.getIMEI(); phoneNumber = requestFilterUtil.getPhoneNumber(); subscriberID = requestFilterUtil.getSubscriberID(); carrierName = requestFilterUtil.getCarrierName(); androidID = requestFilterUtil.getAndroidID(); macAdresses = requestFilterUtil.getMacAddresses(); if (httpObject instanceof HttpMessage) { HttpMessage request = (HttpMessage) httpObject; if (request.headers().contains(CustomHeaderField)) { applicationInfo = request.headers().get(CustomHeaderField); request.headers().remove(CustomHeaderField); } if (request.headers().contains(HttpHeaderNames.ACCEPT_ENCODING)) { request.headers().remove(HttpHeaderNames.ACCEPT_ENCODING); } if (!ProxyUtils.isCONNECT(request) && request.headers().contains(HttpHeaderNames.HOST)) { String hostName = ((HttpRequest) request).uri(); //request.headers().get(HttpHeaderNames.HOST).toLowerCase(); if (db.isDomainBlocked(hostName)) return getBlockedHostResponse(hostName); } } String requestURI; Set<RequestFilterUtil.FilterType> exfiltrated = new HashSet<>(); if (httpObject instanceof HttpRequest) { HttpRequest request = (HttpRequest) httpObject; requestURI = request.uri(); try { requestURI = URLDecoder.decode(requestURI, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } if (locationInfo.length > 0) { //tolerate location miscalculation float latitude = Float.parseFloat(locationInfo[0]); float longitude = Float.parseFloat(locationInfo[1]); Matcher m = Pattern.compile("\\d+\\.\\d+").matcher(requestURI); List<String> floats_in_uri = new ArrayList(); while (m.find()) { floats_in_uri.add(m.group()); } for (String s : floats_in_uri) { if (Math.abs(Float.parseFloat(s) - latitude) < 0.5 || Math.abs(Float.parseFloat(s) - longitude) < 0.1) { exfiltrated.add(RequestFilterUtil.FilterType.LOCATION); } } } if (StringUtils.containsAny(requestURI, contactsInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.CONTACTS); } if (StringUtils.containsAny(requestURI, macAdresses)) { exfiltrated.add(RequestFilterUtil.FilterType.MACADRESSES); } if (requestURI.contains(IMEI) && !IMEI.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.IMEI); } if (requestURI.contains(phoneNumber) && !phoneNumber.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.PHONENUMBER); } if (requestURI.contains(subscriberID) && !subscriberID.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.IMSI); } if (requestURI.contains(carrierName) && !carrierName.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.CARRIERNAME); } if (requestURI.contains(androidID) && !androidID.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.ANDROIDID); } } try { Method content = httpObject.getClass().getMethod("content"); if (content != null) { ByteBuf buf = (ByteBuf) content.invoke(httpObject); String contentStr = buf.toString(Charset.forName("UTF-8")); if (locationInfo.length > 0) { //tolerate location miscalculation float latitude = Float.parseFloat(locationInfo[0]); float longitude = Float.parseFloat(locationInfo[1]); Matcher m = Pattern.compile("\\d+\\.\\d+").matcher(contentStr); List<String> floats_in_uri = new ArrayList(); while (m.find()) { floats_in_uri.add(m.group()); } for (String s : floats_in_uri) { if (Math.abs(Float.parseFloat(s) - latitude) < 0.5 || Math.abs(Float.parseFloat(s) - longitude) < 0.1) { exfiltrated.add(RequestFilterUtil.FilterType.LOCATION); } } } if (StringUtils.containsAny(contentStr, contactsInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.CONTACTS); } if (StringUtils.containsAny(contentStr, macAdresses)) { exfiltrated.add(RequestFilterUtil.FilterType.MACADRESSES); } if (contentStr.contains(IMEI) && !IMEI.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.IMEI); } if (contentStr.contains(phoneNumber) && !phoneNumber.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.PHONENUMBER); } if (contentStr.contains(subscriberID) && !subscriberID.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.IMSI); } if (contentStr.contains(carrierName) && !carrierName.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.CARRIERNAME); } if (contentStr.contains(androidID) && !androidID.equals("")) { exfiltrated.add(RequestFilterUtil.FilterType.ANDROIDID); } } } catch (IndexOutOfBoundsException ex) { ex.printStackTrace(); Log.e("Exception", ex.getMessage()); } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException ex) { //ignore } //check exfiltrated list if (!exfiltrated.isEmpty()) { //retrieve all blocked and allowed domains List<BlockedDomain> blocked = db.getAllBlockedDomains(); List<AllowedDomain> allowed = db.getAllAllowedDomains(); //get application name from app info String appName = applicationInfo.replaceAll("\\(.+?\\)", ""); //check blocked domains //if domain is stored as blocked, return a forbidden response for (BlockedDomain b_dmn : blocked) { if (b_dmn.info.equals(appName)) { return getForbiddenRequestResponse(applicationInfo, exfiltrated); } } //if domain is stored as allowed, return null for actual response for (AllowedDomain a_dmn : allowed) { if (a_dmn.info.equals(appName)) { return null; } } //get exfiltrated info to string array String[] exfiltrated_array = new String[exfiltrated.size()]; int i = 0; for (RequestFilterUtil.FilterType filter_type : exfiltrated) { exfiltrated_array[i] = filter_type.name(); i++; } //retrieve all pending notifications List<PendingNotification> pending = db.getAllPendingNotifications(); for (PendingNotification pending_notification : pending) { //if pending notification includes specific app name and app permissions return response that a pending notification exists if (pending_notification.app_info.equals(applicationInfo)) { return getPendingResponse(); } } //if none pending notification exists, display a new notification int notificationId = mainContext.getNotificationId(); mainContext.getNotificationUtil().displayExfiltratedNotification(getBaseContext(), applicationInfo, exfiltrated, notificationId); mainContext.setNotificationId(notificationId + 3); //and update statistics db.updateStatistics(exfiltrated); return getAwaitingResponse(); } return null; } }; } }; }
From source file:eu.operando.proxy.service.ProxyService.java
License:Open Source License
private HttpFiltersSource getFiltersSource() { return new HttpFiltersSourceAdapter() { // @Override // public int getMaximumRequestBufferSizeInBytes() { // // TODO Auto-generated method stub // return 10 * 1024 * 1024; ////from ww w. java 2s .c o m // } // // @Override // public int getMaximumResponseBufferSizeInBytes() { // // TODO Auto-generated method stub // return 10 * 1024 * 1024; // } @Override public HttpFilters filterRequest(HttpRequest originalRequest) { return new HttpFiltersAdapter(originalRequest) { @Override public HttpObject serverToProxyResponse(HttpObject httpObject) { if (MainUtil.isProxyPaused(mainContext)) return httpObject; if (httpObject instanceof HttpMessage) { HttpMessage response = (HttpMessage) httpObject; response.headers().set(HttpHeaderNames.CACHE_CONTROL, "no-cache, no-store, must-revalidate"); response.headers().set(HttpHeaderNames.PRAGMA, "no-cache"); response.headers().set(HttpHeaderNames.EXPIRES, "0"); } try { Method content = httpObject.getClass().getMethod("content"); if (content != null) { ByteBuf buf = (ByteBuf) content.invoke(httpObject); boolean flag = false; List<ResponseFilter> responseFilters = db.getAllResponseFilters(); if (responseFilters.size() > 0) { String contentStr = buf.toString(Charset.forName("UTF-8")); //Charset.forName(Charset.forName("UTF-8") for (ResponseFilter responseFilter : responseFilters) { String toReplace = responseFilter.getContent(); if (StringUtils.containsIgnoreCase(contentStr, toReplace)) { contentStr = contentStr.replaceAll("(?i)" + toReplace, StringUtils.leftPad("", toReplace.length(), '#')); flag = true; } } if (flag) { buf.clear().writeBytes(contentStr.getBytes(Charset.forName("UTF-8"))); } } } } catch (IndexOutOfBoundsException ex) { ex.printStackTrace(); Log.e("Exception", ex.getMessage()); } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException ex) { //ignore } return httpObject; } @Override public HttpResponse clientToProxyRequest(HttpObject httpObject) { if (MainUtil.isProxyPaused(mainContext)) return null; String requestURI; Set<RequestFilterUtil.FilterType> exfiltrated = new HashSet<>(); String[] locationInfo = requestFilterUtil.getLocationInfo(); String[] contactsInfo = requestFilterUtil.getContactsInfo(); String[] phoneInfo = requestFilterUtil.getPhoneInfo(); if (httpObject instanceof HttpMessage) { HttpMessage request = (HttpMessage) httpObject; if (request.headers().contains(CustomHeaderField)) { applicationInfoStr = request.headers().get(CustomHeaderField); request.headers().remove(CustomHeaderField); } if (request.headers().contains(HttpHeaderNames.ACCEPT_ENCODING)) { request.headers().remove(HttpHeaderNames.ACCEPT_ENCODING); } /* Sanitize Hosts */ if (!ProxyUtils.isCONNECT(request) && request.headers().contains(HttpHeaderNames.HOST)) { String hostName = request.headers().get(HttpHeaderNames.HOST).toLowerCase(); if (db.isDomainBlocked(hostName)) return getBlockedHostResponse(hostName); } } if (httpObject instanceof HttpRequest) { HttpRequest request = (HttpRequest) httpObject; requestURI = request.uri(); try { requestURI = URLDecoder.decode(requestURI, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } /* Request URI checks */ if (StringUtils.containsAny(requestURI, locationInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.LOCATION); } if (StringUtils.containsAny(requestURI, contactsInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.CONTACTS); } if (StringUtils.containsAny(requestURI, phoneInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.PHONEINFO); } if (!exfiltrated.isEmpty()) { mainContext.getNotificationUtil().displayExfiltratedNotification(applicationInfoStr, exfiltrated); return getForbiddenRequestResponse(applicationInfoStr, exfiltrated); } } try { Method content = httpObject.getClass().getMethod("content"); if (content != null) { ByteBuf buf = (ByteBuf) content.invoke(httpObject); String contentStr = buf.toString(Charset.forName("UTF-8")); if (StringUtils.containsAny(contentStr, locationInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.LOCATION); } if (StringUtils.containsAny(contentStr, contactsInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.CONTACTS); } if (StringUtils.containsAny(contentStr, phoneInfo)) { exfiltrated.add(RequestFilterUtil.FilterType.PHONEINFO); } if (!exfiltrated.isEmpty()) { mainContext.getNotificationUtil() .displayExfiltratedNotification(applicationInfoStr, exfiltrated); return getForbiddenRequestResponse(applicationInfoStr, exfiltrated); } } } catch (IndexOutOfBoundsException ex) { ex.printStackTrace(); Log.e("Exception", ex.getMessage()); } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException ex) { //ignore } return null; } }; } }; }
From source file:fr.kissy.zergling_push.infrastructure.HttpStaticFileServerHandler.java
License:Apache License
/** * Sets the Date and Cache headers for the HTTP Response * * @param response//from www .j a v a2 s . c om * HTTP response * @param fileToCache * file to extract content type */ private static void setDateAndCacheHeaders(HttpResponse response, File fileToCache) { SimpleDateFormat dateFormatter = new SimpleDateFormat(HTTP_DATE_FORMAT, Locale.US); dateFormatter.setTimeZone(TimeZone.getTimeZone(HTTP_DATE_GMT_TIMEZONE)); // Date header Calendar time = new GregorianCalendar(); response.headers().set(HttpHeaderNames.DATE, dateFormatter.format(time.getTime())); // Add cache headers response.headers().set(HttpHeaderNames.EXPIRES, dateFormatter.format(time.getTime())); response.headers().set(HttpHeaderNames.CACHE_CONTROL, "no-store"); response.headers().set(HttpHeaderNames.LAST_MODIFIED, dateFormatter.format(new Date(fileToCache.lastModified()))); }
From source file:io.crate.protocols.http.HttpBlobHandler.java
License:Apache License
private void setDefaultGetHeaders(HttpResponse response) { response.headers().set(HttpHeaderNames.ACCEPT_RANGES, "bytes"); response.headers().set(HttpHeaderNames.EXPIRES, EXPIRES_VALUE); response.headers().set(HttpHeaderNames.CACHE_CONTROL, CACHE_CONTROL_VALUE); }
From source file:org.glowroot.ui.CommonHandler.java
License:Apache License
private CommonResponse handleStaticResource(String path, CommonRequest request) throws IOException { URL url = getSecureUrlForPath(RESOURCE_BASE + path); if (url == null) { // log at debug only since this is typically just exploit bot spam logger.debug("unexpected path: {}", path); return new CommonResponse(NOT_FOUND); }/*from ww w . java 2s . c o m*/ Date expires = getExpiresForPath(path); if (request.getHeader(HttpHeaderNames.IF_MODIFIED_SINCE) != null && expires == null) { // all static resources without explicit expires are versioned and can be safely // cached forever return new CommonResponse(NOT_MODIFIED); } int extensionStartIndex = path.lastIndexOf('.'); checkState(extensionStartIndex != -1, "found path under %s with no extension: %s", RESOURCE_BASE, path); String extension = path.substring(extensionStartIndex + 1); MediaType mediaType = mediaTypes.get(extension); checkNotNull(mediaType, "found extension under %s with no media type: %s", RESOURCE_BASE, extension); CommonResponse response = new CommonResponse(OK, mediaType, url); if (expires != null) { response.setHeader(HttpHeaderNames.EXPIRES, expires); } else { response.setHeader(HttpHeaderNames.LAST_MODIFIED, new Date(0)); response.setHeader(HttpHeaderNames.EXPIRES, new Date(clock.currentTimeMillis() + TEN_YEARS)); } return response; }
From source file:org.pidome.server.system.network.http.Http2ClientHandler.java
@Override public void writeResponse(ChannelHandlerContext ctx, HttpResponseStatus status, byte[] buf, String fileType, String streamId, boolean cache) { String plainIp = HttpRequestHandler.getPlainIp(ctx.channel().localAddress()); ByteBuf content = ctx.alloc().buffer(buf.length); content.writeBytes(buf);/*from ww w.ja v a 2 s. c o m*/ FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status, content); HttpUtil.setContentLength(response, response.content().readableBytes()); streamId(response, streamId); response.headers().set(HttpHeaderNames.CONTENT_TYPE, fileType); response.headers().set(HttpHeaderNames.CONTENT_TYPE, HttpRequestHandler.getContentTypeHeader(fileType)); response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_ORIGIN, "https://" + plainIp + ((port != 80) ? ":" + port : "")); response.headers().set(HttpHeaderNames.ACCESS_CONTROL_ALLOW_CREDENTIALS, "true"); response.headers().set(HttpHeaderNames.SERVER, "PiDome integrated 0.2 HTTP2"); if (cache == true) { DateTime dt = new DateTime(); HttpHeaderDateFormat dateFormat = HttpHeaderDateFormat.get(); response.headers().set(HttpHeaderNames.CACHE_CONTROL, "public, max-age=3153600"); response.headers().set(HttpHeaderNames.EXPIRES, dateFormat.format(dt.plusMonths(12).toDate())); } else { response.headers().set(HttpHeaderNames.CACHE_CONTROL, "no-cache, must-revalidate"); response.headers().set(HttpHeaderNames.EXPIRES, "Sat, 26 Jul 1997 05:00:00 GMT"); } ctx.writeAndFlush(response); }