Examples with IQ org.xmpp.packet.IQ used on opensource projects

Example 81 with IQ

use of org.xmpp.packet.IQ in project Openfire by igniterealtime.

the class MultiUserChatServiceImpl method process.

/**
 * Returns true if the IQ packet was processed. This method should only process disco packets
 * as well as jabber:iq:register packets sent to the MUC service.
 *
 * @param iq the IQ packet to process.
 * @return true if the IQ packet was processed.
 */
private boolean process(final IQ iq) {
    final Element childElement = iq.getChildElement();
    String namespace = null;
    // Ignore IQs of type ERROR
    if (IQ.Type.error == iq.getType()) {
        return false;
    }
    if (iq.getTo().getResource() != null) {
        // Ignore IQ packets sent to room occupants
        return false;
    }
    if (childElement != null) {
        namespace = childElement.getNamespaceURI();
    }
    if ("jabber:iq:register".equals(namespace)) {
        final IQ reply = registerHandler.handleIQ(iq);
        XMPPServer.getInstance().getPacketRouter().route(reply);
    } else if ("jabber:iq:search".equals(namespace)) {
        final IQ reply = searchHandler.handleIQ(iq);
        XMPPServer.getInstance().getPacketRouter().route(reply);
    } else if (IQMuclumbusSearchHandler.NAMESPACE.equals(namespace)) {
        final IQ reply = muclumbusSearchHandler.handleIQ(iq);
        XMPPServer.getInstance().getPacketRouter().route(reply);
    } else if (IQMUCvCardHandler.NAMESPACE.equals(namespace)) {
        final IQ reply = mucVCardHandler.handleIQ(iq);
        XMPPServer.getInstance().getPacketRouter().route(reply);
    } else if ("http://jabber.org/protocol/disco#info".equals(namespace)) {
        // TODO MUC should have an IQDiscoInfoHandler of its own when MUC becomes
        // a component
        final IQ reply = XMPPServer.getInstance().getIQDiscoInfoHandler().handleIQ(iq);
        XMPPServer.getInstance().getPacketRouter().route(reply);
    } else if ("http://jabber.org/protocol/disco#items".equals(namespace)) {
        // TODO MUC should have an IQDiscoItemsHandler of its own when MUC becomes
        // a component
        final IQ reply = XMPPServer.getInstance().getIQDiscoItemsHandler().handleIQ(iq);
        XMPPServer.getInstance().getPacketRouter().route(reply);
    } else if ("urn:xmpp:ping".equals(namespace)) {
        XMPPServer.getInstance().getPacketRouter().route(IQ.createResultIQ(iq));
    } else if (this.iqHandlers != null) {
        final IQHandler h = this.iqHandlers.get(namespace);
        if (h != null) {
            try {
                final IQ reply = h.handleIQ(iq);
                if (reply != null) {
                    XMPPServer.getInstance().getPacketRouter().route(reply);
                }
            } catch (final UnauthorizedException e) {
                final IQ reply = IQ.createResultIQ(iq);
                reply.setType(IQ.Type.error);
                reply.setError(PacketError.Condition.service_unavailable);
                XMPPServer.getInstance().getPacketRouter().route(reply);
            }
            return true;
        }
        return false;
    } else {
        return false;
    }
    return true;
}

Example 82 with IQ

use of org.xmpp.packet.IQ in project Openfire by igniterealtime.

the class MultiUserChatServiceImpl method isPendingPingResponse.

/**
 * Determines if a stanza is a client-generated response to an IQ Ping request sent by this server.
 *
 * A 'true' result of this method indicates that the client sending the IQ response is currently reachable.
 *
 * @param stanza The stanza to check
 * @return true if the stanza is a response to an IQ Ping request sent by the server, otherwise false.
 */
public boolean isPendingPingResponse(@Nonnull final Packet stanza) {
    if (!(stanza instanceof IQ)) {
        return false;
    }
    final IQ iq = (IQ) stanza;
    if (iq.isRequest()) {
        return false;
    }
    // Check if this is an error to a ghost-detection ping that we've sent out. Note that clients that are
    // connected but do not support XEP-0199 should send back a 'service-unavailable' error per the XEP, but
    // some clients are known to send 'feature-not-available'. Treat these as indications that the client is
    // still connected.
    final Collection<PacketError.Condition> pingErrorsIndicatingClientConnectivity = Arrays.asList(PacketError.Condition.service_unavailable, PacketError.Condition.feature_not_implemented);
    final JID jid = PINGS_SENT.get(iq.getID());
    final boolean result = jid != null && iq.getFrom().equals(jid) && (iq.getError() == null || pingErrorsIndicatingClientConnectivity.contains(iq.getError().getCondition()));
    if (result) {
        // If this is _not_ a valid response, 'isDeliveryRelatedErrorResponse' might want to process this. Otherwise, remove.
        PINGS_SENT.remove(iq.getID());
    }
    return result;
}

Example 83 with IQ

use of org.xmpp.packet.IQ in project Openfire by igniterealtime.

the class MultiUserChatServiceImpl method pingOccupant.

/**
 * Sends an IQ Ping request to an occupant, and schedules a check that determines if a response to that request
 * was received (removing the occupant if it is not).
 *
 * @param occupant The occupant to ping.
 */
private void pingOccupant(@Nonnull final OccupantManager.Occupant occupant) {
    Log.debug("Pinging {} as the occupant is exceeding the idle time limit.", occupant);
    final IQ pingRequest = new IQ(IQ.Type.get);
    pingRequest.setChildElement(IQPingHandler.ELEMENT_NAME, IQPingHandler.NAMESPACE);
    pingRequest.setFrom(occupant.getRoomName() + "@" + getServiceDomain());
    pingRequest.setTo(occupant.getRealJID());
    // Generate unique ID, to prevent duplicate cache entries.
    pingRequest.setID(UUID.randomUUID().toString());
    XMPPServer.getInstance().getPacketRouter().route(pingRequest);
    PINGS_SENT.put(pingRequest.getID(), pingRequest.getTo());
    // Schedule a check to see if the ping was answered, kicking the occupant if it wasn't.
    // The check should be done _before_ the next ping would be sent (to prevent a backlog of ping requests forming)
    long timeoutMs = userIdlePing.dividedBy(4).toMillis();
    final CheckPingResponseTask task = new CheckPingResponseTask(occupant, pingRequest.getID());
    occupant.setPendingPingTask(task);
    TaskEngine.getInstance().schedule(task, timeoutMs);
}

Example 84 with IQ

use of org.xmpp.packet.IQ in project Openfire by igniterealtime.

the class SoftwareVersionManager method resourceBound.

@Override
public void resourceBound(final Session session) {
    if (!VERSION_QUERY_ENABLED.getValue()) {
        return;
    }
    // Prevent retaining a reference to the session object, while waiting for the right time to execute the query.
    // There's (unproven) concern that this is a factor in issue OF-2367. Better safe than sorry.
    final JID address = session.getAddress();
    // The server should not send requests to the client before the client session
    // has been established (see IQSessionEstablishmentHandler). Sadly, Openfire
    // does not provide a hook for this. For now, the resource bound event is
    // used instead (which should be immediately followed by session establishment).
    TaskEngine.getInstance().schedule(new TimerTask() {

        @Override
        public void run() {
            try {
                final Session session = SessionManager.getInstance().getSession(address);
                if (session == null || session.isClosed() || !VERSION_QUERY_ENABLED.getValue()) {
                    return;
                }
                IQ versionRequest = new IQ(IQ.Type.get);
                versionRequest.setTo(session.getAddress());
                versionRequest.setFrom(session.getServerName());
                versionRequest.setChildElement("query", "jabber:iq:version");
                session.process(versionRequest);
            } catch (Exception e) {
                Log.error("Exception while trying to query a client ({}) for its software version.", session.getAddress(), e);
            }
        }
    }, // Let time pass for the session establishment to have occurred.
    VERSION_QUERY_DELAY.getValue().toMillis());
}

Example 85 with IQ

use of org.xmpp.packet.IQ in project Openfire by igniterealtime.

the class SearchPlugin method handleIQRequest.

/**
	 * Handles IQ requests. This method throws an IllegalArgumentException if an IQ stanza is supplied that is not a request (if the stanza
	 * is not of type 'get' or 'set'). This method will either throw an Exception, or return a non-null IQ stanza of type 'error' or
	 * 'result', as XMPP Core specifies that <strong>all</strong> IQ request stanza's (type 'get' or 'set') MUST be replied to.
	 * 
	 * @param iq
	 *            The IQ stanza that forms the request.
	 * @return The response to the request.
	 */
private IQ handleIQRequest(IQ iq) {
    // 'final' to ensure that it is set.
    final IQ replyPacket;
    if (iq == null) {
        throw new IllegalArgumentException("Argument 'iq' cannot be null.");
    }
    final IQ.Type type = iq.getType();
    if (type != IQ.Type.get && type != IQ.Type.set) {
        throw new IllegalArgumentException("Argument 'iq' must be of type 'get' or 'set'");
    }
    final Element childElement = iq.getChildElement();
    if (childElement == null) {
        replyPacket = IQ.createResultIQ(iq);
        replyPacket.setError(new PacketError(Condition.bad_request, org.xmpp.packet.PacketError.Type.modify, "IQ stanzas of type 'get' and 'set' MUST contain one and only one child element (RFC 3920 section 9.2.3)."));
        return replyPacket;
    }
    final String namespace = childElement.getNamespaceURI();
    if (namespace == null) {
        replyPacket = IQ.createResultIQ(iq);
        replyPacket.setError(Condition.feature_not_implemented);
        return replyPacket;
    }
    if (namespace.equals(NAMESPACE_JABBER_IQ_SEARCH)) {
        replyPacket = handleSearchRequest(iq);
    } else if (namespace.equals(IQDiscoInfoHandler.NAMESPACE_DISCO_INFO)) {
        replyPacket = handleDiscoInfo(iq);
    } else if (namespace.equals(IQDiscoItemsHandler.NAMESPACE_DISCO_ITEMS)) {
        replyPacket = IQ.createResultIQ(iq);
        replyPacket.setChildElement("query", IQDiscoItemsHandler.NAMESPACE_DISCO_ITEMS);
    } else {
        // don't known what to do with this.
        replyPacket = IQ.createResultIQ(iq);
        replyPacket.setError(Condition.feature_not_implemented);
    }
    return replyPacket;
}