示例#1
0
 @Override
 public OverviewList overview(long start, long end) {
   NntpFuture<OverviewResponse> future =
       this.sendCommand(
           Response.ResponseType.XZVER, Long.toString(start) + "-" + Long.toString(end));
   return Futures.getUnchecked(future).list;
 }
示例#2
0
  static {
    long ping = -1L;
    try {
      ping = Long.parseLong(System.getProperty(GlobalOptions.PING_INTERVAL_MS_OPTION, "-1"));
    } catch (NumberFormatException ignored) {
    }
    PING_INTERVAL = ping;

    int builds = 1;
    try {
      builds =
          Math.min(
              Integer.parseInt(
                  System.getProperty(GlobalOptions.MAX_SIMULTANEOUS_BUILDS_OPTION, "1")),
              Runtime.getRuntime().availableProcessors());
    } catch (NumberFormatException ignored) {
    }
    MAX_SIMULTANEOUS_BUILD_SESSIONS = builds;
  }
示例#3
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);
      }
    }
  }
 static String getApplicationStartTime() {
   return Long.toString(ApplicationManager.getApplication().getStartTime());
 }
  @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);
    }
  }
示例#6
0
    @Override
    public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
      if (!readingChunks) {
        HttpResponse response = (HttpResponse) e.getMessage();

        StringBuilder sb = new StringBuilder();
        if (LOG.isDebugEnabled()) {
          sb.append("STATUS: ")
              .append(response.getStatus())
              .append(", VERSION: ")
              .append(response.getProtocolVersion())
              .append(", HEADER: ");
        }
        if (!response.getHeaderNames().isEmpty()) {
          for (String name : response.getHeaderNames()) {
            for (String value : response.getHeaders(name)) {
              if (LOG.isDebugEnabled()) {
                sb.append(name + " = " + value);
              }
              if (this.length == -1 && name.equals("Content-Length")) {
                this.length = Long.valueOf(value);
              }
            }
          }
        }
        if (LOG.isDebugEnabled()) {
          LOG.debug(sb.toString());
        }

        if (response.getStatus() == HttpResponseStatus.NO_CONTENT) {
          LOG.info("There are no data corresponding to the request");
          return;
        }

        this.raf = new RandomAccessFile(file, "rw");
        this.fc = raf.getChannel();

        if (response.isChunked()) {
          readingChunks = true;
        } else {
          ChannelBuffer content = response.getContent();
          if (content.readable()) {
            fc.write(content.toByteBuffer());
          }
        }
      } else {
        HttpChunk chunk = (HttpChunk) e.getMessage();
        if (chunk.isLast()) {
          readingChunks = false;
          long fileLength = fc.position();
          fc.close();
          raf.close();
          if (fileLength == length) {
            LOG.info("Data fetch is done (total received bytes: " + fileLength + ")");
          } else {
            LOG.info(
                "Data fetch is done, but cannot get all data "
                    + "(received/total: "
                    + fileLength
                    + "/"
                    + length
                    + ")");
          }
        } else {
          fc.write(chunk.getContent().toByteBuffer());
        }
      }
    }
示例#7
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));
  }
  @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 = "";

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

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

    // Is the request from our own Cling service, i.e. self-originating?
    boolean isSelf =
        ia.getHostAddress().equals(PMS.get().getServer().getHost())
            && nettyRequest.headers().get(HttpHeaders.Names.USER_AGENT) != null
            && nettyRequest.headers().get(HttpHeaders.Names.USER_AGENT).contains("UMS/");

    // Filter if required
    if (isSelf || filterIp(ia)) {
      e.getChannel().close();
      LOGGER.trace(
          isSelf
              ? ("Ignoring self-originating request from " + ia + ":" + remoteAddress.getPort())
              : ("Access denied for address " + ia + " based on IP filter"));
      return;
    }

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

    HttpHeaders headers = nettyRequest.headers();

    // 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 the renderer exists but isn't marked as loaded it means it's unrecognized
    // by upnp and we still need to attempt http recognition here.
    if (renderer == null || !renderer.loaded) {
      // Attempt 2: try to recognize the renderer by matching headers
      renderer = RendererConfiguration.getRendererConfigurationByHeaders(headers.entries(), ia);
    }

    if (renderer != null) {
      request.setMediaRenderer(renderer);
    }

    Set<String> headerNames = headers.names();
    Iterator<String> iterator = headerNames.iterator();
    while (iterator.hasNext()) {
      String name = iterator.next();
      String headerLine = name + ": " + headers.get(name);
      LOGGER.trace("Received on socket: " + headerLine);

      if (headerLine.toUpperCase().startsWith("USER-AGENT")) {
        userAgentString = headerLine.substring(headerLine.indexOf(':') + 1).trim();
      }

      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().contains("RANGE: BYTES=")) {
          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().contains("transfermode.dlna.org:")) {
          request.setTransferMode(
              headerLine
                  .substring(headerLine.toLowerCase().indexOf("transfermode.dlna.org:") + 22)
                  .trim());
        } else if (headerLine.toLowerCase().contains("getcontentfeatures.dlna.org:")) {
          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 known headers.
            String lowerCaseHeaderLine = headerLine.toLowerCase();
            for (String knownHeaderString : KNOWN_HEADERS) {
              if (lowerCaseHeaderLine.startsWith(knownHeaderString)) {
                isKnown = true;
                break;
              }
            }

            // It may be unusual but already known
            if (renderer != null) {
              String additionalHeader = renderer.getUserAgentAdditionalHttpHeader();
              if (StringUtils.isNotBlank(additionalHeader)
                  && lowerCaseHeaderLine.startsWith(additionalHeader)) {
                isKnown = true;
              }
            }

            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);
      }
    }

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

      // Attempt 3: 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.resolve(ia, null));
      if (request.getMediaRenderer() != null) {
        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 RendererConfiguration.resolve() didn't return the default renderer
        // it means we know via upnp that it's not really a renderer.
        return;
      }
    } else {
      if (userAgentString != null) {
        LOGGER.debug("HTTP User-Agent: " + userAgentString);
      }

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

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

    LOGGER.trace(
        "HTTP: "
            + request.getArgument()
            + " / "
            + request.getLowRange()
            + "-"
            + request.getHighRange());

    writeResponse(ctx, e, request, ia);
  }