Exemplo n.º 1
0
  private void processIQ(IQ iq) {
    long start = System.currentTimeMillis();
    Element childElement = iq.getChildElement();
    String namespace = childElement.getNamespaceURI();

    // 构造返回dom
    IQ reply = IQ.createResultIQ(iq);
    Element childElementCopy = childElement.createCopy();
    reply.setChildElement(childElementCopy);

    if (XConstants.PROTOCOL_DISCO_INFO.equals(namespace)) {
      generateDisco(childElementCopy); // 构造disco反馈信息
      if (LOG.isInfoEnabled()) {
        LOG.info(
            "[spend time:{}ms],reqId: {},IRComponent服务发现,response:{}",
            System.currentTimeMillis() - start,
            iq.getID(),
            reply.toXML());
      }
    }

    try {
      ComponentManagerFactory.getComponentManager().sendPacket(this, reply);
    } catch (Throwable t) {
      LOG.error(
          "[spend time:{}ms],reqId: {},IRComponent IQ处理异常! iq:{},replay:{}",
          System.currentTimeMillis() - start,
          iq.getID(),
          reply.toXML(),
          t);
    }
  }
 public String getRelatedNodeForRemotePacket(IQ packet) {
   String id = null;
   if (nodeMap.containsKey(packet.getID())) {
     id = (String) nodeMap.get(packet.getID());
     nodeMap.remove(packet.getID());
   }
   return id;
 }
  public void passResponseToRequester(IQ packet) throws Exception {
    if (!sentRemotePackets.containsKey(packet.getID())) {
      throw new UnknownFederatedPacketException(
          "Can not find original requesting packet! (ID:" + packet.getID() + ")");
    }

    String uniqueId = packet.getID();
    packet.setID(idMap.get(uniqueId));
    packet.setTo((JID) sentRemotePackets.get(uniqueId));
    packet.setFrom(localServer);
    sentRemotePackets.remove(packet.getID());
    idMap.remove(uniqueId);

    component.sendPacket(packet);
  }
  public void receivedAnswer(IQ packet) {
    String packetId = packet.getID();

    if (isValid(packet)) {
      // The packet was validated, so it can be added to the Entity
      // Capabilities cache map.

      // Add the resolved identities and features to the entity
      // EntityCapabilitiesManager.capabilities object and add it
      // to the cache map...
      EntityCapabilities caps = verAttributes.get(packetId);

      // Store identities.
      List<String> identities = getIdentitiesFrom(packet);
      for (String identity : identities) {
        caps.addIdentity(identity);
      }

      // Store features.
      List<String> features = getFeaturesFrom(packet);
      for (String feature : features) {
        caps.addFeature(feature);
      }

      entityCapabilitiesMap.put(caps.getVerAttribute(), caps);
      entityCapabilitiesUserMap.put(packet.getFrom(), caps.getVerAttribute());
    }

    // Remove cached 'ver' attribute.
    verAttributes.remove(packetId);
  }
Exemplo n.º 5
0
  @Override
  public IQ query(Component component, IQ packet, long timeout) throws ComponentException {
    final LinkedBlockingQueue<IQ> answer = new LinkedBlockingQueue<>(8);
    XMPPServer.getInstance()
        .getIQRouter()
        .addIQResultListener(
            packet.getID(),
            new IQResultListener() {
              @Override
              public void receivedAnswer(IQ packet) {
                answer.offer(packet);
              }

              @Override
              public void answerTimeout(String packetId) {
                Log.warn(
                    "An answer to a previously sent IQ stanza was never received. Packet id: "
                        + packetId);
              }
            });
    sendPacket(component, packet);
    IQ reply = null;
    try {
      reply = answer.poll(timeout, TimeUnit.MILLISECONDS);
    } catch (InterruptedException e) {
      // Ignore
    }
    return reply;
  }
  public void process(Presence packet) {
    // Ignore unavailable presences
    if (Presence.Type.unavailable == packet.getType()) {
      return;
    }

    // Examine the packet and check if it has caps info,
    // if not -- do nothing by returning.
    Element capsElement = packet.getChildElement("c", "http://jabber.org/protocol/caps");
    if (capsElement == null) {
      return;
    }

    // Examine the packet and check if it's in legacy format (pre version 1.4
    // of XEP-0115). If so, do nothing by returning.
    // TODO: if this packet is in legacy format, we SHOULD check the 'node',
    // 'ver', and 'ext' combinations as specified in the archived version
    // 1.3 of the specification, and cache the results. See JM-1447
    final String hashAttribute = capsElement.attributeValue("hash");
    if (hashAttribute == null || hashAttribute.trim().length() == 0) {
      return;
    }

    // Examine the packet and check if it has and a 'ver' hash
    // if not -- do nothing by returning.
    final String newVerAttribute = capsElement.attributeValue("ver");
    if (newVerAttribute == null || newVerAttribute.trim().length() == 0) {
      return;
    }

    // Check to see if the 'ver' hash is already in our cache.
    if (isInCapsCache(newVerAttribute)) {
      // The 'ver' hash is in the cache already, so let's update the
      // entityCapabilitiesUserMap for the user that sent the caps
      // packet.
      entityCapabilitiesUserMap.put(packet.getFrom(), newVerAttribute);
    } else {
      // The 'ver' hash is not in the cache so send out a disco#info query
      // so that we may begin recognizing this 'ver' hash.
      IQ iq = new IQ(IQ.Type.get);
      iq.setTo(packet.getFrom());

      String serverName = XmppServer.getInstance().getServerInfo().getXMPPDomain();
      iq.setFrom(serverName);

      iq.setChildElement("query", "http://jabber.org/protocol/disco#info");

      String packetId = iq.getID();

      final EntityCapabilities caps = new EntityCapabilities();
      caps.setHashAttribute(hashAttribute);
      caps.setVerAttribute(newVerAttribute);
      verAttributes.put(packetId, caps);

      final IQRouter iqRouter = XmppServer.getInstance().getIQRouter();
      iqRouter.addIQResultListener(packetId, this);
      iqRouter.route(iq);
    }
  }
  /**
   * Determines whether or not the packet received from a disco#info result was valid by comparing
   * its 'ver' hash (identites+features encapsulated hash) with the 'ver' hash of the original caps
   * packet that the disco#info query was sent on behalf of.
   *
   * @param packet the disco#info result packet.
   * @return true if the packet's generated 'ver' hash matches the 'ver' hash of the original caps
   *     packet.
   */
  private boolean isValid(IQ packet) {
    final EntityCapabilities original = verAttributes.get(packet.getID());
    if (original == null) {
      return false;
    }
    final String newVerHash = generateVerHash(packet, original.getHashAttribute());

    return newVerHash.equals(original.getVerAttribute());
  }
Exemplo n.º 8
0
  /**
   * Creates an error response for a given IQ request.
   *
   * @param request
   * @param message
   * @param condition
   * @param type
   * @return
   */
  public static IQ createErrorResponse(
      final IQ request, final String message, Condition condition, Type type) {
    final IQ result = request.createCopy();
    result.setID(request.getID());
    result.setFrom(request.getTo());
    result.setTo(request.getFrom());

    PacketError e = new PacketError(condition, type);
    if (message != null) {
      e.setText(message);
    }
    result.setError(e);

    return result;
  }
Exemplo n.º 9
0
  /**
   * Sends an IQ packet to the Clearspace external component and returns the IQ packet returned by
   * CS or <tt>null</tt> if no answer was received before the specified timeout.
   *
   * @param packet IQ packet to send.
   * @param timeout milliseconds to wait before timing out.
   * @return IQ packet returned by Clearspace responsing the packet we sent.
   */
  public IQ query(final IQ packet, int timeout) {
    // Complain if FROM is empty
    if (packet.getFrom() == null) {
      throw new IllegalStateException("IQ packets with no FROM cannot be sent to Clearspace");
    }
    // If CS is not connected then return null
    if (clearspaces.isEmpty()) {
      return null;
    }
    // Set the target address to the IQ packet. Roate list so we distribute load
    String component;
    synchronized (clearspaces) {
      component = clearspaces.get(0);
      Collections.rotate(clearspaces, 1);
    }
    packet.setTo(component);
    final LinkedBlockingQueue<IQ> answer = new LinkedBlockingQueue<IQ>(8);
    final IQRouter router = XMPPServer.getInstance().getIQRouter();
    router.addIQResultListener(
        packet.getID(),
        new IQResultListener() {
          public void receivedAnswer(IQ packet) {
            answer.offer(packet);
          }

          public void answerTimeout(String packetId) {
            Log.warn("No answer from Clearspace was received for IQ stanza: " + packet);
          }
        });
    XMPPServer.getInstance().getIQRouter().route(packet);
    IQ reply = null;
    try {
      reply = answer.poll(timeout, TimeUnit.MILLISECONDS);
    } catch (InterruptedException e) {
      // Ignore
    }
    return reply;
  }
Exemplo n.º 10
0
 @Override
 public void query(Component component, IQ packet, IQResultListener listener)
     throws ComponentException {
   XMPPServer.getInstance().getIQRouter().addIQResultListener(packet.getID(), listener);
   sendPacket(component, packet);
 }