public static void serve404( NotFound e, ChannelHandlerContext ctx, Request request, HttpRequest nettyRequest) { Logger.trace("serve404: begin"); HttpResponse nettyResponse = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND); nettyResponse.setHeader(SERVER, signature); nettyResponse.setHeader(CONTENT_TYPE, "text/html"); Map<String, Object> binding = getBindingForErrors(e, false); String format = Request.current().format; if (format == null) { format = "txt"; } nettyResponse.setHeader( CONTENT_TYPE, (MimeTypes.getContentType("404." + format, "text/plain"))); String errorHtml = TemplateLoader.load("errors/404." + format).render(binding); try { ChannelBuffer buf = ChannelBuffers.copiedBuffer(errorHtml.getBytes("utf-8")); nettyResponse.setContent(buf); ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse); writeFuture.addListener(ChannelFutureListener.CLOSE); } catch (UnsupportedEncodingException fex) { Logger.error(fex, "(utf-8 ?)"); } Logger.trace("serve404: end"); }
protected static void writeResponse( ChannelHandlerContext ctx, Response response, HttpResponse nettyResponse, HttpRequest nettyRequest) { Logger.trace("writeResponse: begin"); byte[] content = null; final boolean keepAlive = isKeepAlive(nettyRequest); if (nettyRequest.getMethod().equals(HttpMethod.HEAD)) { content = new byte[0]; } else { content = response.out.toByteArray(); } ChannelBuffer buf = ChannelBuffers.copiedBuffer(content); nettyResponse.setContent(buf); if (keepAlive) { // Add 'Content-Length' header only for a keep-alive connection. Logger.trace("writeResponse: content length [" + response.out.size() + "]"); setContentLength(nettyResponse, response.out.size()); } ChannelFuture f = ctx.getChannel().write(nettyResponse); // Decide whether to close the connection or not. if (!keepAlive) { // Close the connection when the whole content is written out. f.addListener(ChannelFutureListener.CLOSE); } Logger.trace("writeResponse: end"); }
private void sendError(ChannelHandlerContext ctx, String message, HttpResponseStatus status) { HttpResponse response = new DefaultHttpResponse(HTTP_1_1, status); response.setHeader(CONTENT_TYPE, "text/plain; charset=UTF-8"); response.setContent(ChannelBuffers.copiedBuffer(message, CharsetUtil.UTF_8)); // Close the connection as soon as the error message is sent. ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE); }
private void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) { HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status); response.setHeader(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8"); response.setContent( ChannelBuffers.copiedBuffer( "Failure: " + status.toString() + "\r\n", Charset.forName("UTF-8"))); // Close the connection as soon as the error message is sent. ctx.getChannel().write(response).addListener(ChannelFutureListener.CLOSE); }
@Override public void messageReceived(ChannelHandlerContext context, MessageEvent e) throws Exception { if (e.getMessage() instanceof HttpRequest) { HttpRequest message = (HttpRequest) e.getMessage(); HttpResponse response; if (new QueryStringDecoder(message.getUri()).getPath().equals(START_TIME_PATH)) { response = new DefaultHttpResponse(HTTP_1_1, OK); response.setHeader("Access-Control-Allow-Origin", "*"); response.setContent( ChannelBuffers.copiedBuffer(getApplicationStartTime(), CharsetUtil.US_ASCII)); } else { response = new DefaultHttpResponse(HTTP_1_1, NOT_FOUND); } context.getChannel().write(response).addListener(ChannelFutureListener.CLOSE); } }
public void serveStatic( RenderStatic renderStatic, ChannelHandlerContext ctx, Request request, Response response, HttpRequest nettyRequest, MessageEvent e) { Logger.trace("serveStatic: begin"); HttpResponse nettyResponse = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.valueOf(response.status)); if (exposePlayServer) { nettyResponse.setHeader(SERVER, signature); } try { VirtualFile file = Play.getVirtualFile(renderStatic.file); if (file != null && file.exists() && file.isDirectory()) { file = file.child("index.html"); if (file != null) { renderStatic.file = file.relativePath(); } } if ((file == null || !file.exists())) { serve404( new NotFound("The file " + renderStatic.file + " does not exist"), ctx, request, nettyRequest); } else { boolean raw = false; for (PlayPlugin plugin : Play.plugins) { if (plugin.serveStatic(file, Request.current(), Response.current())) { raw = true; break; } } if (raw) { copyResponse(ctx, request, response, nettyRequest); } else { final File localFile = file.getRealFile(); final boolean keepAlive = isKeepAlive(nettyRequest); nettyResponse = addEtag(nettyRequest, nettyResponse, localFile); if (nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) { Channel ch = e.getChannel(); // Write the initial line and the header. ChannelFuture writeFuture = ch.write(nettyResponse); if (!keepAlive) { // Write the content. writeFuture.addListener(ChannelFutureListener.CLOSE); } } else { final RandomAccessFile raf = new RandomAccessFile(localFile, "r"); try { long fileLength = raf.length(); Logger.trace("keep alive " + keepAlive); Logger.trace( "content type " + (MimeTypes.getContentType(localFile.getName(), "text/plain"))); if (keepAlive && !nettyResponse.getStatus().equals(HttpResponseStatus.NOT_MODIFIED)) { // Add 'Content-Length' header only for a keep-alive connection. Logger.trace("file length " + fileLength); setContentLength(nettyResponse, fileLength); } nettyResponse.setHeader( CONTENT_TYPE, (MimeTypes.getContentType(localFile.getName(), "text/plain"))); Channel ch = e.getChannel(); // Write the initial line and the header. ChannelFuture writeFuture = ch.write(nettyResponse); // Write the content. if (!nettyRequest.getMethod().equals(HttpMethod.HEAD)) { writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192)); } else { raf.close(); } if (!keepAlive) { // Close the connection when the whole content is written out. writeFuture.addListener(ChannelFutureListener.CLOSE); } } catch (Throwable exx) { try { raf.close(); } catch (Throwable ex) { /* Left empty */ } try { ctx.getChannel().close(); } catch (Throwable ex) { /* Left empty */ } } } } } } catch (Throwable ez) { Logger.error(ez, "serveStatic for request %s", request.method + " " + request.url); try { HttpResponse errorResponse = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR); ChannelBuffer buf = ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8")); errorResponse.setContent(buf); ChannelFuture future = ctx.getChannel().write(errorResponse); future.addListener(ChannelFutureListener.CLOSE); } catch (Exception ex) { Logger.error(ez, "serveStatic for request %s", request.method + " " + request.url); } } Logger.trace("serveStatic: end"); }
// TODO: add request and response as parameter public static void serve500(Exception e, ChannelHandlerContext ctx, HttpRequest nettyRequest) { Logger.trace("serve500: begin"); HttpResponse nettyResponse = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR); if (exposePlayServer) { nettyResponse.setHeader(SERVER, signature); } Request request = Request.current(); Response response = Response.current(); try { if (!(e instanceof PlayException)) { e = new play.exceptions.UnexpectedException(e); } // Flush some cookies try { Map<String, Http.Cookie> cookies = response.cookies; for (Http.Cookie cookie : cookies.values()) { CookieEncoder encoder = new CookieEncoder(true); Cookie c = new DefaultCookie(cookie.name, cookie.value); c.setSecure(cookie.secure); c.setPath(cookie.path); if (cookie.domain != null) { c.setDomain(cookie.domain); } if (cookie.maxAge != null) { c.setMaxAge(cookie.maxAge); } c.setHttpOnly(cookie.httpOnly); encoder.addCookie(c); nettyResponse.addHeader(SET_COOKIE, encoder.encode()); } } catch (Exception exx) { Logger.error(e, "Trying to flush cookies"); // humm ? } Map<String, Object> binding = getBindingForErrors(e, true); String format = request.format; if (format == null) { format = "txt"; } nettyResponse.setHeader( "Content-Type", (MimeTypes.getContentType("500." + format, "text/plain"))); try { String errorHtml = TemplateLoader.load("errors/500." + format).render(binding); ChannelBuffer buf = ChannelBuffers.copiedBuffer(errorHtml.getBytes("utf-8")); nettyResponse.setContent(buf); ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse); writeFuture.addListener(ChannelFutureListener.CLOSE); Logger.error( e, "Internal Server Error (500) for request %s", request.method + " " + request.url); } catch (Throwable ex) { Logger.error( e, "Internal Server Error (500) for request %s", request.method + " " + request.url); Logger.error(ex, "Error during the 500 response generation"); try { ChannelBuffer buf = ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8")); nettyResponse.setContent(buf); ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse); writeFuture.addListener(ChannelFutureListener.CLOSE); } catch (UnsupportedEncodingException fex) { Logger.error(fex, "(utf-8 ?)"); } } } catch (Throwable exxx) { try { ChannelBuffer buf = ChannelBuffers.copiedBuffer("Internal Error (check logs)".getBytes("utf-8")); nettyResponse.setContent(buf); ChannelFuture writeFuture = ctx.getChannel().write(nettyResponse); writeFuture.addListener(ChannelFutureListener.CLOSE); } catch (Exception fex) { Logger.error(fex, "(utf-8 ?)"); } if (exxx instanceof RuntimeException) { throw (RuntimeException) exxx; } throw new RuntimeException(exxx); } Logger.trace("serve500: end"); }
private void websocketHandshake(final ChannelHandlerContext ctx, HttpRequest req, MessageEvent e) throws Exception { // Create the WebSocket handshake response. HttpResponse res = new DefaultHttpResponse( HttpVersion.HTTP_1_1, new HttpResponseStatus(101, "Web Socket Protocol Handshake")); res.addHeader(HttpHeaders.Names.UPGRADE, HttpHeaders.Values.WEBSOCKET); res.addHeader(CONNECTION, HttpHeaders.Values.UPGRADE); // Fill in the headers and contents depending on handshake method. if (req.containsHeader(SEC_WEBSOCKET_KEY1) && req.containsHeader(SEC_WEBSOCKET_KEY2)) { // New handshake method with a challenge: res.addHeader(SEC_WEBSOCKET_ORIGIN, req.getHeader(ORIGIN)); res.addHeader( SEC_WEBSOCKET_LOCATION, "ws://" + req.getHeader(HttpHeaders.Names.HOST) + req.getUri()); String protocol = req.getHeader(SEC_WEBSOCKET_PROTOCOL); if (protocol != null) { res.addHeader(SEC_WEBSOCKET_PROTOCOL, protocol); } // Calculate the answer of the challenge. String key1 = req.getHeader(SEC_WEBSOCKET_KEY1); String key2 = req.getHeader(SEC_WEBSOCKET_KEY2); int a = (int) (Long.parseLong(key1.replaceAll("[^0-9]", "")) / key1.replaceAll("[^ ]", "").length()); int b = (int) (Long.parseLong(key2.replaceAll("[^0-9]", "")) / key2.replaceAll("[^ ]", "").length()); long c = req.getContent().readLong(); ChannelBuffer input = ChannelBuffers.buffer(16); input.writeInt(a); input.writeInt(b); input.writeLong(c); try { ChannelBuffer output = ChannelBuffers.wrappedBuffer(MessageDigest.getInstance("MD5").digest(input.array())); res.setContent(output); } catch (NoSuchAlgorithmException ex) { throw new UnexpectedException(ex); } } else { // Old handshake method with no challenge: res.addHeader(WEBSOCKET_ORIGIN, req.getHeader(ORIGIN)); res.addHeader( WEBSOCKET_LOCATION, "ws://" + req.getHeader(HttpHeaders.Names.HOST) + req.getUri()); String protocol = req.getHeader(WEBSOCKET_PROTOCOL); if (protocol != null) { res.addHeader(WEBSOCKET_PROTOCOL, protocol); } } // Keep the original request Http.Request request = parseRequest(ctx, req); // Route the websocket request request.method = "WS"; Map<String, String> route = Router.route(request.method, request.path); if (!route.containsKey("action")) { // No route found to handle this websocket connection ctx.getChannel() .write(new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND)); return; } // Upgrade the connection and send the handshake response. ChannelPipeline p = ctx.getChannel().getPipeline(); p.remove("aggregator"); p.replace("decoder", "wsdecoder", new WebSocketFrameDecoder()); // Connect ctx.getChannel().write(res); p.replace("encoder", "wsencoder", new WebSocketFrameEncoder()); req.setMethod(new HttpMethod("WEBSOCKET")); // Inbound Http.Inbound inbound = new Http.Inbound() { @Override public boolean isOpen() { return ctx.getChannel().isOpen(); } }; channels.put(ctx, inbound); // Outbound Http.Outbound outbound = new Http.Outbound() { final List<ChannelFuture> writeFutures = Collections.synchronizedList(new ArrayList<ChannelFuture>()); Promise<Void> closeTask; synchronized void writeAndClose(ChannelFuture writeFuture) { if (!writeFuture.isDone()) { writeFutures.add(writeFuture); writeFuture.addListener( new ChannelFutureListener() { public void operationComplete(ChannelFuture cf) throws Exception { writeFutures.remove(cf); futureClose(); } }); } } void futureClose() { if (closeTask != null && writeFutures.isEmpty()) { closeTask.invoke(null); } } @Override public void send(String data) { if (!isOpen()) { throw new IllegalStateException("The outbound channel is closed"); } writeAndClose(ctx.getChannel().write(new DefaultWebSocketFrame(data))); } @Override public void send(byte opcode, byte[] data, int offset, int length) { if (!isOpen()) { throw new IllegalStateException("The outbound channel is closed"); } writeAndClose( ctx.getChannel() .write(new DefaultWebSocketFrame(opcode, wrappedBuffer(data, offset, length)))); } @Override public synchronized boolean isOpen() { return ctx.getChannel().isOpen() && closeTask == null; } @Override public synchronized void close() { closeTask = new Promise<Void>(); closeTask.onRedeem( new Action<Promise<Void>>() { public void invoke(Promise<Void> completed) { writeFutures.clear(); ctx.getChannel().disconnect(); closeTask = null; } }); futureClose(); } }; Invoker.invoke(new WebSocketInvocation(route, request, inbound, outbound, ctx, e)); }