Esempio n. 1
0
  public static boolean isModified(String etag, long last, HttpRequest nettyRequest) {

    if (nettyRequest.containsHeader(IF_NONE_MATCH)) {
      final String browserEtag = nettyRequest.getHeader(IF_NONE_MATCH);
      if (browserEtag.equals(etag)) {
        return false;
      }
      return true;
    }

    if (nettyRequest.containsHeader(IF_MODIFIED_SINCE)) {
      final String ifModifiedSince = nettyRequest.getHeader(IF_MODIFIED_SINCE);

      if (!StringUtils.isEmpty(ifModifiedSince)) {
        try {
          Date browserDate = Utils.getHttpDateFormatter().parse(ifModifiedSince);
          if (browserDate.getTime() >= last) {
            return false;
          }
        } catch (ParseException ex) {
          Logger.warn("Can't parse HTTP date", ex);
        }
        return true;
      }
    }
    return true;
  }
Esempio n. 2
0
  protected static void addToRequest(HttpRequest nettyRequest, Request request) {
    for (String key : nettyRequest.getHeaderNames()) {
      Http.Header hd = new Http.Header();
      hd.name = key.toLowerCase();
      hd.values = new ArrayList<String>();
      for (String next : nettyRequest.getHeaders(key)) {
        hd.values.add(next);
      }
      request.headers.put(hd.name, hd);
    }

    String value = nettyRequest.getHeader(COOKIE);
    if (value != null) {
      Set<Cookie> cookies = new CookieDecoder().decode(value);
      if (cookies != null) {
        for (Cookie cookie : cookies) {
          Http.Cookie playCookie = new Http.Cookie();
          playCookie.name = cookie.getName();
          playCookie.path = cookie.getPath();
          playCookie.domain = cookie.getDomain();
          playCookie.secure = cookie.isSecure();
          playCookie.value = cookie.getValue();
          playCookie.httpOnly = cookie.isHttpOnly();
          request.cookies.put(playCookie.name, playCookie);
        }
      }
    }
  }
  private void writeResponse(MessageEvent e, RequestV2 request, InetAddress ia) {
    // Decide whether to close the connection or not.
    boolean close =
        HttpHeaders.Values.CLOSE.equalsIgnoreCase(
                nettyRequest.getHeader(HttpHeaders.Names.CONNECTION))
            || nettyRequest.getProtocolVersion().equals(HttpVersion.HTTP_1_0)
                && !HttpHeaders.Values.KEEP_ALIVE.equalsIgnoreCase(
                    nettyRequest.getHeader(HttpHeaders.Names.CONNECTION));

    // Build the response object.
    HttpResponse response;
    if (request.getLowRange() != 0 || request.getHighRange() != 0) {
      response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.PARTIAL_CONTENT);
    } else {
      String soapAction = nettyRequest.getHeader("SOAPACTION");

      if (soapAction != null && soapAction.contains("X_GetFeatureList")) {
        LOGGER.debug("Invalid action in SOAPACTION: " + soapAction);
        response =
            new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR);
      } else {
        response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
      }
    }

    StartStopListenerDelegate startStopListenerDelegate =
        new StartStopListenerDelegate(ia.getHostAddress());

    try {
      request.answer(response, e, close, startStopListenerDelegate);
    } catch (IOException e1) {
      LOGGER.trace("HTTP request V2 IO error: " + e1.getMessage());
      // note: we don't call stop() here in a finally block as
      // answer() is non-blocking. we only (may) need to call it
      // here in the case of an exception. it's a no-op if it's
      // already been called
      startStopListenerDelegate.stop();
    }
  }
Esempio n. 4
0
  void saveExceededSizeError(HttpRequest nettyRequest, Request request, Response response) {

    String warning = nettyRequest.getHeader(HttpHeaders.Names.WARNING);
    String length = nettyRequest.getHeader(HttpHeaders.Names.CONTENT_LENGTH);
    if (warning != null) {
      Logger.trace("saveExceededSizeError: begin");
      try {
        StringBuilder error = new StringBuilder();
        error.append("\u0000");
        // Cannot put warning which is play.netty.content.length.exceeded
        // as Key as it will result error when printing error
        error.append("play.netty.maxContentLength");
        error.append(":");
        String size = null;
        try {
          size = JavaExtensions.formatSize(Long.parseLong(length));
        } catch (Exception e) {
          size = length + " bytes";
        }
        error.append(Messages.get(warning, size));
        error.append("\u0001");
        error.append(size);
        error.append("\u0000");
        if (request.cookies.get(Scope.COOKIE_PREFIX + "_ERRORS") != null
            && request.cookies.get(Scope.COOKIE_PREFIX + "_ERRORS").value != null) {
          error.append(request.cookies.get(Scope.COOKIE_PREFIX + "_ERRORS").value);
        }
        String errorData = URLEncoder.encode(error.toString(), "utf-8");
        Http.Cookie c = new Http.Cookie();
        c.value = errorData;
        c.name = Scope.COOKIE_PREFIX + "_ERRORS";
        request.cookies.put(Scope.COOKIE_PREFIX + "_ERRORS", c);
        Logger.trace("saveExceededSizeError: end");
      } catch (Exception e) {
        throw new UnexpectedException("Error serialization problem", e);
      }
    }
  }
Esempio n. 5
0
  @Override
  public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
    HttpRequest request = (HttpRequest) e.getMessage();

    if (request.getContent().readableBytes() == 0) {
      BaseTransport.respond(e.getChannel(), INTERNAL_SERVER_ERROR, "Payload expected.");
      return;
    }

    transportMetrics.messagesReceived.mark();
    transportMetrics.messagesReceivedSize.update(request.getContent().readableBytes());

    // logger.debug("Received {}", request.getContent().toString(CharsetUtil.UTF_8));

    String contentTypeHeader = request.getHeader(CONTENT_TYPE);
    if (contentTypeHeader == null) {
      contentTypeHeader = BaseTransport.CONTENT_TYPE_PLAIN;
    }

    String decodedContent;
    if (BaseTransport.CONTENT_TYPE_FORM.equals(contentTypeHeader)) {
      QueryStringDecoder decoder =
          new QueryStringDecoder("?" + request.getContent().toString(CharsetUtil.UTF_8));
      List<String> d = decoder.getParameters().get("d");
      if (d == null) {
        BaseTransport.respond(e.getChannel(), INTERNAL_SERVER_ERROR, "Payload expected.");
        return;
      }
      decodedContent = d.get(0);
    } else {
      decodedContent = request.getContent().toString(CharsetUtil.UTF_8);
    }

    if (decodedContent.length() == 0) {
      BaseTransport.respond(e.getChannel(), INTERNAL_SERVER_ERROR, "Payload expected.");
      return;
    }

    String[] messages = MAPPER.readValue(decodedContent, String[].class);
    for (String message : messages) {
      SockJsMessage jsMessage = new SockJsMessage(message);
      ctx.sendUpstream(new UpstreamMessageEvent(e.getChannel(), jsMessage, e.getRemoteAddress()));
    }

    if (isJsonpEnabled) {
      BaseTransport.respond(e.getChannel(), OK, "ok");
    } else {
      BaseTransport.respond(e.getChannel(), NO_CONTENT, "");
    }
  }
  @Override
  public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
    RequestV2 request = null;
    RendererConfiguration renderer = null;
    String userAgentString = null;
    StringBuilder unknownHeaders = new StringBuilder();
    String separator = "";
    boolean isWindowsMediaPlayer = false;

    HttpRequest nettyRequest = this.nettyRequest = (HttpRequest) e.getMessage();

    InetSocketAddress remoteAddress = (InetSocketAddress) e.getChannel().getRemoteAddress();
    InetAddress ia = remoteAddress.getAddress();

    // Apply the IP filter
    if (filterIp(ia)) {
      e.getChannel().close();
      LOGGER.trace("Access denied for address " + ia + " based on IP filter");
      return;
    }

    LOGGER.trace("Opened request handler on socket " + remoteAddress);
    PMS.get().getRegistry().disableGoToSleep();

    if (HttpMethod.GET.equals(nettyRequest.getMethod())) {
      request = new RequestV2("GET", nettyRequest.getUri().substring(1));
    } else if (HttpMethod.POST.equals(nettyRequest.getMethod())) {
      request = new RequestV2("POST", nettyRequest.getUri().substring(1));
    } else if (HttpMethod.HEAD.equals(nettyRequest.getMethod())) {
      request = new RequestV2("HEAD", nettyRequest.getUri().substring(1));
    } else {
      request =
          new RequestV2(nettyRequest.getMethod().getName(), nettyRequest.getUri().substring(1));
    }

    LOGGER.trace(
        "Request: "
            + nettyRequest.getProtocolVersion().getText()
            + " : "
            + request.getMethod()
            + " : "
            + request.getArgument());

    if (nettyRequest.getProtocolVersion().getMinorVersion() == 0) {
      request.setHttp10(true);
    }

    // The handler makes a couple of attempts to recognize a renderer from its requests.
    // IP address matches from previous requests are preferred, when that fails request
    // header matches are attempted and if those fail as well we're stuck with the
    // default renderer.

    // Attempt 1: try to recognize the renderer by its socket address from previous requests
    renderer = RendererConfiguration.getRendererConfigurationBySocketAddress(ia);

    if (renderer != null) {
      if (!"WMP".equals(renderer.getRendererName())) {
        PMS.get().setRendererfound(renderer);
        request.setMediaRenderer(renderer);
        LOGGER.trace(
            "Matched media renderer \"" + renderer.getRendererName() + "\" based on address " + ia);
      } else {
        LOGGER.trace("Detected and blocked Windows Media Player");
        isWindowsMediaPlayer = true;
      }
    }

    for (String name : nettyRequest.getHeaderNames()) {
      String headerLine = name + ": " + nettyRequest.getHeader(name);
      LOGGER.trace("Received on socket: " + headerLine);

      if (renderer == null
          && headerLine != null
          && headerLine.toUpperCase().startsWith("USER-AGENT")) {
        userAgentString = headerLine.substring(headerLine.indexOf(":") + 1).trim();

        // Attempt 2: try to recognize the renderer by matching the "User-Agent" header
        renderer = RendererConfiguration.getRendererConfigurationByUA(userAgentString);

        if (renderer != null) {
          if (!"WMP".equals(renderer.getRendererName())) {
            request.setMediaRenderer(renderer);
            renderer.associateIP(ia); // Associate IP address for later requests
            PMS.get().setRendererfound(renderer);
            LOGGER.trace(
                "Matched media renderer \""
                    + renderer.getRendererName()
                    + "\" based on header \""
                    + headerLine
                    + "\"");
          } else if (!isWindowsMediaPlayer) {
            LOGGER.trace("Detected and blocked Windows Media Player");
            isWindowsMediaPlayer = true;
          }
        }
      }

      if (renderer == null && headerLine != null) {
        // Attempt 3: try to recognize the renderer by matching an additional header
        renderer = RendererConfiguration.getRendererConfigurationByUAAHH(headerLine);

        if (renderer != null) {
          request.setMediaRenderer(renderer);
          renderer.associateIP(ia); // Associate IP address for later requests
          PMS.get().setRendererfound(renderer);
          LOGGER.trace(
              "Matched media renderer \""
                  + renderer.getRendererName()
                  + "\" based on header \""
                  + headerLine
                  + "\"");
        }
      }

      try {
        StringTokenizer s = new StringTokenizer(headerLine);
        String temp = s.nextToken();
        if (temp.toUpperCase().equals("SOAPACTION:")) {
          request.setSoapaction(s.nextToken());
        } else if (temp.toUpperCase().equals("CALLBACK:")) {
          request.setSoapaction(s.nextToken());
        } else if (headerLine.toUpperCase().indexOf("RANGE: BYTES=") > -1) {
          String nums =
              headerLine.substring(headerLine.toUpperCase().indexOf("RANGE: BYTES=") + 13).trim();
          StringTokenizer st = new StringTokenizer(nums, "-");
          if (!nums.startsWith("-")) {
            request.setLowRange(Long.parseLong(st.nextToken()));
          }
          if (!nums.startsWith("-") && !nums.endsWith("-")) {
            request.setHighRange(Long.parseLong(st.nextToken()));
          } else {
            request.setHighRange(-1);
          }
        } else if (headerLine.toLowerCase().indexOf("transfermode.dlna.org:") > -1) {
          request.setTransferMode(
              headerLine
                  .substring(headerLine.toLowerCase().indexOf("transfermode.dlna.org:") + 22)
                  .trim());
        } else if (headerLine.toLowerCase().indexOf("getcontentfeatures.dlna.org:") > -1) {
          request.setContentFeatures(
              headerLine
                  .substring(headerLine.toLowerCase().indexOf("getcontentfeatures.dlna.org:") + 28)
                  .trim());
        } else {
          Matcher matcher = TIMERANGE_PATTERN.matcher(headerLine);
          if (matcher.find()) {
            String first = matcher.group(1);
            if (first != null) {
              request.setTimeRangeStartString(first);
            }
            String end = matcher.group(2);
            if (end != null) {
              request.setTimeRangeEndString(end);
            }
          } else {
            // If we made it to here, none of the previous header checks matched.
            // Unknown headers make interesting logging info when we cannot recognize
            // the media renderer, so keep track of the truly unknown ones.
            boolean isKnown = false;

            // Try to match possible known headers.
            for (String knownHeaderString : KNOWN_HEADERS) {
              if (headerLine.toLowerCase().startsWith(knownHeaderString.toLowerCase())) {
                isKnown = true;
                break;
              }
            }

            if (!isKnown) {
              // Truly unknown header, therefore interesting. Save for later use.
              unknownHeaders.append(separator).append(headerLine);
              separator = ", ";
            }
          }
        }
      } catch (Exception ee) {
        LOGGER.error("Error parsing HTTP headers", ee);
      }
    }

    if (!isWindowsMediaPlayer) {
      if (request != null) {
        // Still no media renderer recognized?
        if (request.getMediaRenderer() == null) {

          // Attempt 4: Not really an attempt; all other attempts to recognize
          // the renderer have failed. The only option left is to assume the
          // default renderer.
          request.setMediaRenderer(RendererConfiguration.getDefaultConf());
          LOGGER.trace(
              "Using default media renderer: " + request.getMediaRenderer().getRendererName());

          if (userAgentString != null && !userAgentString.equals("FDSSDP")) {
            // We have found an unknown renderer
            LOGGER.info(
                "Media renderer was not recognized. Possible identifying HTTP headers: User-Agent: "
                    + userAgentString
                    + ("".equals(unknownHeaders.toString())
                        ? ""
                        : ", " + unknownHeaders.toString()));
            PMS.get().setRendererfound(request.getMediaRenderer());
          }
        } else {
          if (userAgentString != null) {
            LOGGER.debug("HTTP User-Agent: " + userAgentString);
          }

          LOGGER.trace(
              "Recognized media renderer: " + request.getMediaRenderer().getRendererName());
        }
      }

      if (HttpHeaders.getContentLength(nettyRequest) > 0) {
        byte data[] = new byte[(int) HttpHeaders.getContentLength(nettyRequest)];
        ChannelBuffer content = nettyRequest.getContent();
        content.readBytes(data);
        request.setTextContent(new String(data, "UTF-8"));
      }

      if (request != null) {
        LOGGER.trace(
            "HTTP: "
                + request.getArgument()
                + " / "
                + request.getLowRange()
                + "-"
                + request.getHighRange());
      }

      writeResponse(e, request, ia);
    }
  }
Esempio n. 7
0
  @Override
  public void messageReceived(final ChannelHandlerContext ctx, final MessageEvent e)
      throws Exception {
    Logger.trace("messageReceived: begin");
    final Object msg = e.getMessage();

    // Http request
    if (msg instanceof HttpRequest) {

      final HttpRequest nettyRequest = (HttpRequest) msg;

      // Websocket upgrade
      if (HttpHeaders.Values.UPGRADE.equalsIgnoreCase(nettyRequest.getHeader(CONNECTION))
          && HttpHeaders.Values.WEBSOCKET.equalsIgnoreCase(
              nettyRequest.getHeader(HttpHeaders.Names.UPGRADE))) {
        websocketHandshake(ctx, nettyRequest, e);
        return;
      }

      // Plain old HttpRequest
      try {
        final Request request = parseRequest(ctx, nettyRequest);

        final Response response = new Response();
        Http.Response.current.set(response);

        // Buffered in memory output
        response.out = new ByteArrayOutputStream();

        // Direct output (will be set later)
        response.direct = null;

        // Streamed output (using response.writeChunk)
        response.onWriteChunk(
            new Action<Object>() {

              public void invoke(Object result) {
                writeChunk(request, response, ctx, nettyRequest, result);
              }
            });

        // Raw invocation
        boolean raw = false;
        for (PlayPlugin plugin : Play.plugins) {
          if (plugin.rawInvocation(request, response)) {
            raw = true;
            break;
          }
        }
        if (raw) {
          copyResponse(ctx, request, response, nettyRequest);
        } else {

          // Deleguate to Play framework
          Invoker.invoke(new NettyInvocation(request, response, ctx, nettyRequest, e));
        }

      } catch (Exception ex) {
        serve500(ex, ctx, nettyRequest);
      }
    }

    // Websocket frame
    if (msg instanceof WebSocketFrame) {
      WebSocketFrame frame = (WebSocketFrame) msg;
      websocketFrameReceived(ctx, frame);
    }

    Logger.trace("messageReceived: end");
  }
Esempio n. 8
0
  public Request parseRequest(ChannelHandlerContext ctx, HttpRequest nettyRequest)
      throws Exception {
    Logger.trace("parseRequest: begin");
    Logger.trace("parseRequest: URI = " + nettyRequest.getUri());
    int index = nettyRequest.getUri().indexOf("?");
    String querystring = "";

    String uri = nettyRequest.getUri();
    // Remove domain and port from URI if it's present.
    if (uri.startsWith("http://") || uri.startsWith("https://")) {
      // Begins searching / after 9th character (last / of https://)
      uri = uri.substring(uri.indexOf("/", 9));
    }

    String path = URLDecoder.decode(uri, "UTF-8");
    if (index != -1) {
      path = URLDecoder.decode(uri.substring(0, index), "UTF-8");
      querystring = uri.substring(index + 1);
    }

    final Request request = new Request();

    request.remoteAddress = getRemoteIPAddress(ctx);
    request.method = nettyRequest.getMethod().getName();
    request.path = path;
    request.querystring = querystring;
    final String contentType = nettyRequest.getHeader(CONTENT_TYPE);
    if (contentType != null) {
      request.contentType = contentType.split(";")[0].trim().toLowerCase();
    } else {
      request.contentType = "text/html";
    }

    if (nettyRequest.getHeader("X-HTTP-Method-Override") != null) {
      request.method = nettyRequest.getHeader("X-HTTP-Method-Override").intern();
    }

    ChannelBuffer b = nettyRequest.getContent();
    if (b instanceof FileChannelBuffer) {
      FileChannelBuffer buffer = (FileChannelBuffer) b;
      // An error occurred
      Integer max =
          Integer.valueOf(Play.configuration.getProperty("play.netty.maxContentLength", "-1"));

      request.body = buffer.getInputStream();
      if (!(max == -1 || request.body.available() < max)) {
        request.body = new ByteArrayInputStream(new byte[0]);
      }

    } else {
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      IOUtils.copy(new ChannelBufferInputStream(b), out);
      byte[] n = out.toByteArray();
      request.body = new ByteArrayInputStream(n);
    }

    request.url = uri;
    request.host = nettyRequest.getHeader(HOST);
    request.isLoopback =
        ((InetSocketAddress) ctx.getChannel().getRemoteAddress()).getAddress().isLoopbackAddress()
            && request.host.matches("^127\\.0\\.0\\.1:?[0-9]*$");

    if (request.host == null) {
      request.host = "";
      request.port = 80;
      request.domain = "";
    } else {
      if (request.host.contains(":")) {
        final String[] host = request.host.split(":");
        request.port = Integer.parseInt(host[1]);
        request.domain = host[0];
      } else {
        request.port = 80;
        request.domain = request.host;
      }
    }

    if (Play.configuration.containsKey("XForwardedSupport")
        && nettyRequest.getHeader("X-Forwarded-For") != null) {
      if (!Arrays.asList(
              Play.configuration.getProperty("XForwardedSupport", "127.0.0.1").split(","))
          .contains(request.remoteAddress)) {
        throw new RuntimeException(
            "This proxy request is not authorized: " + request.remoteAddress);
      } else {
        request.secure =
            ("https".equals(Play.configuration.get("XForwardedProto"))
                || "https".equals(nettyRequest.getHeader("X-Forwarded-Proto"))
                || "on".equals(nettyRequest.getHeader("X-Forwarded-Ssl")));
        if (Play.configuration.containsKey("XForwardedHost")) {
          request.host = (String) Play.configuration.get("XForwardedHost");
        } else if (nettyRequest.getHeader("X-Forwarded-Host") != null) {
          request.host = nettyRequest.getHeader("X-Forwarded-Host");
        }
        if (nettyRequest.getHeader("X-Forwarded-For") != null) {
          request.remoteAddress = nettyRequest.getHeader("X-Forwarded-For");
        }
      }
    }

    addToRequest(nettyRequest, request);

    request.resolveFormat();

    request._init();

    Logger.trace("parseRequest: end");
    return request;
  }
Esempio n. 9
0
  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));
  }