org.xmpp.packet.PacketError Java Examples

@Override
public void process(Packet packet) throws UnauthorizedException, PacketException {
    boolean handled = false;
    String host = packet.getTo().getDomain();
    for (Channel<Packet> channel : transports.values()) {
        if (channel.getName().equalsIgnoreCase(host)) {
            channel.add(packet);
            handled = true;
        }
    }
    if (!handled) {
        JID recipient = packet.getTo();
        JID sender = packet.getFrom();
        packet.setError(PacketError.Condition.remote_server_timeout);
        packet.setFrom(recipient);
        packet.setTo(sender);
        try {
            deliverer.deliver(packet);
        }
        catch (PacketException e) {
            Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
        }
    }
}
 

/**
 * User has specified a new active list that should be used for the current session.
 *
 * @param packet IQ packet setting new active list for the current session.
 * @param from sender of the IQ packet.
 * @param listName name of the new active list for the current session.
 * @return acknowledge of success.
 */
private IQ setActiveList(IQ packet, JID from, String listName) {
    IQ result = IQ.createResultIQ(packet);
    Element childElement = packet.getChildElement().createCopy();
    result.setChildElement(childElement);

    // Get the list
    PrivacyList list = manager.getPrivacyList(from.getNode(), listName);
    if (list != null) {
        // Get the user session
        ClientSession session = sessionManager.getSession(from);
        if (session != null) {
            // Set the new active list for this session
            session.setActiveList(list);
        }
    }
    else {
        // List not found
        result.setError(PacketError.Condition.item_not_found);
    }
    return result;
}
 

@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
    IQ result = IQ.createResultIQ(packet);
    String username = packet.getFrom().getNode();
    if (!serverName.equals(packet.getFrom().getDomain()) || username == null) {
        // Users of remote servers are not allowed to get their "shared groups". Users of
        // remote servers cannot have shared groups in this server.
        // Besides, anonymous users do not belong to shared groups so answer an error
        result.setChildElement(packet.getChildElement().createCopy());
        result.setError(PacketError.Condition.not_allowed);
        return result;
    }

    Collection<Group> groups = rosterManager.getSharedGroups(username);
    Element sharedGroups = result.setChildElement("sharedgroup",
            "http://www.jivesoftware.org/protocol/sharedgroup");
    for (Group sharedGroup : groups) {
        String displayName = sharedGroup.getProperties().get("sharedRoster.displayName");
        if (displayName != null) {
            sharedGroups.addElement("group").setText(displayName);
        }
    }
    return result;
}
 

/**
 * Checks the roster groups for error conditions described in RFC 6121 § 2.3.3.
 *
 * @param groups The groups.
 * @return An error if the specification is violated or null if everything is fine.
 */
private static PacketError checkGroups(Iterable<String> groups) {
    Set<String> set = new HashSet<>();
    for (String group : groups) {
        if (!set.add(group)) {
            // Duplicate group found.
            // RFC 6121 2.3.3.  Error Cases: 2. The <item/> element contains more than one <group/> element, but there are duplicate groups
            return new PacketError(PacketError.Condition.bad_request, PacketError.Type.modify, "Item contains duplicate groups");
        }
        if (group.isEmpty()) {
            // The server MUST return a <not-acceptable/> stanza error to the client if the roster set contains any of the following violations:
            // 2. The XML character data of the <group/> element is of zero length.
            return new PacketError(PacketError.Condition.not_acceptable, PacketError.Type.modify, "Group is of zero length");
        }
    }
    return null;
}
 

/**
 * Handles the IQ packet sent by an owner or admin of the room. Possible actions are:
 * <ul>
 * <li>Return the list of participants</li>
 * <li>Return the list of moderators</li>
 * <li>Return the list of members</li>
 * <li>Return the list of outcasts</li>
 * <li>Change user's affiliation to member</li>
 * <li>Change user's affiliation to outcast</li>
 * <li>Change user's affiliation to none</li>
 * <li>Change occupant's affiliation to moderator</li>
 * <li>Change occupant's affiliation to participant</li>
 * <li>Change occupant's affiliation to visitor</li>
 * <li>Kick occupants from the room</li>
 * </ul>
 *
 * @param packet the IQ packet sent by an owner or admin of the room.
 * @param role the role of the user that sent the request packet.
 * @throws ForbiddenException If the user is not allowed to perform his request.
 * @throws ConflictException If the desired room nickname is already reserved for the room or
 *                           if the room was going to lose all of its owners.
 * @throws NotAllowedException Thrown if trying to ban an owner or an administrator.
 * @throws CannotBeInvitedException If the user being invited as a result of being added to a members-only room still does not have permission
 */
public void handleIQ(IQ packet, MUCRole role) throws ForbiddenException, ConflictException,
        NotAllowedException, CannotBeInvitedException {
    IQ reply = IQ.createResultIQ(packet);
    Element element = packet.getChildElement();

    // Analyze the action to perform based on the included element
    @SuppressWarnings("unchecked")
    List<Element> itemsList = element.elements("item");
    
    if (!itemsList.isEmpty()) {
        handleItemsElement(role, itemsList, reply);
    }
    else {
        // An unknown and possibly incorrect element was included in the query
        // element so answer a BAD_REQUEST error
        reply.setChildElement(packet.getChildElement().createCopy());
        reply.setError(PacketError.Condition.bad_request);
    }
    if (reply.getTo() != null) {
        // Send a reply only if the sender of the original packet was from a real JID. (i.e. not
        // a packet generated locally)
        router.route(reply);
    }
}
 

/**
 * User has specified that there is no default list that should be used for this user.
 *
 * @param packet IQ packet declining default list for all sessions.
 * @param from sender of the IQ packet.
 * @return acknowledge of success.
 */
private IQ declineDefaultList(IQ packet, JID from) {
    IQ result = IQ.createResultIQ(packet);
    Element childElement = packet.getChildElement().createCopy();
    result.setChildElement(childElement);

    if (sessionManager.getSessionCount(from.getNode()) > 1) {
        // Current default list is being used by more than one session
        result.setError(PacketError.Condition.conflict);
    }
    else {
        // Get the user session
        ClientSession session = sessionManager.getSession(from);
        // Check if a default list was already defined
        if (session.getDefaultList() != null) {
            // Set the existing default list as non-default
            session.getDefaultList().setDefaultList(false);
            // Update the database with the new list state
            provider.updatePrivacyList(from.getNode(), session.getDefaultList());
            session.setDefaultList(null);
        }
    }
    return result;
}
 

/**
 * Handle presence updates that affect roster subscriptions.
 *
 * @param presence The presence presence to handle
 * @throws PacketException if the packet is null or the packet could not be routed.
 */
public void process(Presence presence) throws PacketException {
    try {
        process((Packet)presence);
    }
    catch (UnauthorizedException e) {
        try {
            LocalSession session = (LocalSession) sessionManager.getSession(presence.getFrom());
            presence = presence.createCopy();
            if (session != null) {
                presence.setFrom(new JID(null, session.getServerName(), null, true));
                presence.setTo(session.getAddress());
            }
            else {
                JID sender = presence.getFrom();
                presence.setFrom(presence.getTo());
                presence.setTo(sender);
            }
            presence.setError(PacketError.Condition.not_authorized);
            deliverer.deliver(presence);
        }
        catch (Exception err) {
            Log.error(LocaleUtils.getLocalizedString("admin.error"), err);
        }
    }
}
 

@Override
protected void processIQ(final IQ packet) {
    if (session.getStatus() != Session.STATUS_AUTHENTICATED) {
        // Session is not authenticated so return error
        IQ reply = new IQ();
        reply.setChildElement(packet.getChildElement().createCopy());
        reply.setID(packet.getID());
        reply.setTo(packet.getFrom());
        reply.setFrom(packet.getTo());
        reply.setError(PacketError.Condition.not_authorized);
        session.process(reply);
        return;
    }
    // Process the packet
    packetHandler.handle(packet);
}
 

@Override
protected void processIQ(IQ packet) throws UnauthorizedException {
    if (session.getStatus() != Session.STATUS_AUTHENTICATED) {
        // Session is not authenticated so return error
        IQ reply = new IQ();
        reply.setChildElement(packet.getChildElement().createCopy());
        reply.setID(packet.getID());
        reply.setTo(packet.getFrom());
        reply.setFrom(packet.getTo());
        reply.setError(PacketError.Condition.not_authorized);
        session.process(reply);
        return;
    }
    // Keep track of the component that sent an IQ get/set
    if (packet.getType() == IQ.Type.get || packet.getType() == IQ.Type.set) {
        // Handle subsequent bind packets
        LocalComponentSession componentSession = (LocalComponentSession) session;
        // Get the external component of this session
        LocalComponentSession.LocalExternalComponent component =
                (LocalComponentSession.LocalExternalComponent) componentSession.getExternalComponent();
        component.track(packet);
    }
    super.processIQ(packet);
}
 

@Test
public void isRegisteredUserWillReturnFalseForUnknownRemoteUsers() {

    final AtomicReference<IQResultListener> iqListener = new AtomicReference<>();
    doAnswer(invocationOnMock -> {
        final IQResultListener listener = invocationOnMock.getArgument(1);
        iqListener.set(listener);
        return null;
    }).when(iqRouter).addIQResultListener(any(), any(), anyLong());

    doAnswer(invocationOnMock -> {
        final IQ iq = invocationOnMock.getArgument(0);
        final Element childElement = iq.getChildElement();
        final IQ response = IQ.createResultIQ(iq);
        response.setChildElement(childElement.createCopy());
        response.setError(new PacketError(PacketError.Condition.item_not_found, PacketError.Condition.item_not_found.getDefaultType()));
        iqListener.get().receivedAnswer(response);
        return null;
    }).when(iqRouter).route(any());

    final boolean result = userManager.isRegisteredUser(new JID(USER_ID, REMOTE_XMPP_DOMAIN, null));

    assertThat(result, is(false));
    verify(iqRouter).route(any());
}
 

@Override
public void process(Packet packet) {
    try {
        // Check if the packet is a disco request or a packet with namespace iq:register
        if (packet instanceof IQ) {
            if (engine.process(this, (IQ) packet) == null) {
                process((IQ) packet);
            }
        }
        else if (packet instanceof Presence) {
            engine.process(this, (Presence) packet);
        }
        else {
            engine.process(this, (Message) packet);
        }
    }
    catch (Exception e) {
        Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
        if (packet instanceof IQ) {
            // Send internal server error
            IQ reply = IQ.createResultIQ((IQ) packet);
            reply.setError(PacketError.Condition.internal_server_error);
            send(reply);
        }
    }
}
 

private IQ updateLocation(IQ packet) {
	IQ reply = IQ.createResultIQ(packet);

	Element iq = packet.getChildElement();
	JID from = packet.getFrom();
	String username = from.getNode();

	Element item = iq.element("item");
	Double myLon = Double.parseDouble(item.attributeValue("lon"));
	Double myLat = Double.parseDouble(item.attributeValue("lat"));

	boolean f = insertLocation(myLon,myLat,username);
	if (f){
		// reply.setChildElement(iq);
	}else{
		reply.setType(IQ.Type.error);
		reply.setError(PacketError.Condition.internal_server_error);
	}
	
	return reply;
}
 

@Override
protected void processPresence(Presence packet) throws UnauthorizedException {
    if (session.getStatus() != Session.STATUS_AUTHENTICATED) {
        // Session is not authenticated so return error
        Presence reply = new Presence();
        reply.setID(packet.getID());
        reply.setTo(packet.getFrom());
        reply.setFrom(packet.getTo());
        reply.setError(PacketError.Condition.not_authorized);
        session.process(reply);
        return;
    }
    super.processPresence(packet);
}
 

/**
 * Process stanza sent by a client that is connected to a connection manager. The
 * original stanza is wrapped in the route element. Only a single stanza must be
 * wrapped in the route element.
 *
 * @param packet the route element.
 */
private void processRoute(final Route packet) {
    if (session.getStatus() != Session.STATUS_AUTHENTICATED) {
        // Session is not authenticated so return error
        Route reply = new Route(packet.getStreamID());
        reply.setID(packet.getID());
        reply.setTo(packet.getFrom());
        reply.setFrom(packet.getTo());
        reply.setError(PacketError.Condition.not_authorized);
        session.process(reply);
        return;
    }
    // Process the packet
    packetHandler.route(packet);
}
 

@Override
protected void processMessage(Message packet) throws UnauthorizedException {
    if (session.getStatus() != Session.STATUS_AUTHENTICATED) {
        // Session is not authenticated so return error
        Message reply = new Message();
        reply.setID(packet.getID());
        reply.setTo(packet.getFrom());
        reply.setFrom(packet.getTo());
        reply.setError(PacketError.Condition.not_authorized);
        session.process(reply);
        return;
    }
    super.processMessage(packet);
}
 

/**
 * User has specified a new default list that should be used for all session.
 *
 * @param packet IQ packet setting new default list for all sessions.
 * @param from sender of the IQ packet.
 * @param listName name of the new default list for all sessions.
 * @return acknowledge of success.
 */
private IQ setDefaultList(IQ packet, JID from, String listName) {
    IQ result = IQ.createResultIQ(packet);
    Element childElement = packet.getChildElement().createCopy();
    result.setChildElement(childElement);

    if (sessionManager.getSessionCount(from.getNode()) > 1) {
        // Current default list is being used by more than one session
        result.setError(PacketError.Condition.conflict);
    }
    else {
        // Get the list
        PrivacyList list = manager.getPrivacyList(from.getNode(), listName);
        if (list != null) {
            // Get the user session
            ClientSession session = sessionManager.getSession(from);
            PrivacyList oldDefaultList = session.getDefaultList();
            manager.changeDefaultList(from.getNode(), list, oldDefaultList);
            // Set the new default list for this session (the only existing session)
            session.setDefaultList(list);
        }
        else {
            // List not found
            result.setError(PacketError.Condition.item_not_found);
        }
    }
    return result;
}
 

@Override
public IQ handleIQ(IQ packet) {
    // Do nothing if server is not enabled
    if (!isEnabled()) {
        IQ reply = IQ.createResultIQ(packet);
        reply.setChildElement(packet.getChildElement().createCopy());
        reply.setError(PacketError.Condition.service_unavailable);
        return reply;
    }

    if (packet.getTo() == null || packet.getTo().equals( new JID(XMPPServer.getInstance().getServerInfo().getXMPPDomain())) )
    {
        // packet addressed to service itself (not to a node/user)
        switch ( packet.getType() )
        {
            case set:
                return handleIQSetToService(packet );
            case get:
                return handleIQGetToService(packet );
            default:
                return null; // Ignore 'error' and 'result' stanzas.
        }
    }
    else
    {
        // packet was addressed to a node.
        if ( packet.isRequest() ) {
            return handleIQRequestToUser( packet );
        } else {
            return null; // Ignore IQ packets of type 'error' or 'result'.
        }
    }
}
 

/**
 * Sends an IQ error with the specified condition to the sender of the original
 * IQ packet.
 *
 * @param packet     the packet to be bounced.
 * @param extraError application specific error or null if none.
 * @param error the error.
 */
private void sendErrorPacket(Route packet, PacketError.Condition error, Element extraError) {
    Route reply = new Route(packet.getStreamID());
    reply.setID(packet.getID());
    reply.setFrom(packet.getTo());
    reply.setTo(packet.getFrom());
    reply.setError(error);
    if (extraError != null) {
        // Add specific application error if available
        reply.getError().getElement().add(extraError);
    }
    deliver(reply);
}
 

/**
 * Sends an IQ error with the specified condition to the sender of the original
 * IQ packet.
 *
 * @param packet     the packet to be bounced.
 * @param extraError application specific error or null if none.
 * @param error the error.
 */
private void sendErrorPacket(IQ packet, PacketError.Condition error, Element extraError) {
    IQ reply = IQ.createResultIQ(packet);
    reply.setChildElement(packet.getChildElement().createCopy());
    reply.setError(error);
    if (extraError != null) {
        // Add specific application error if available
        reply.getError().getElement().add(extraError);
    }
    deliver(reply);
}
 

@Override
public void process(Packet packet) throws UnauthorizedException, PacketException {
    // Check if the packet is a disco request or a packet with namespace iq:register
    if (packet instanceof IQ) {
        if (handleIQ((IQ) packet)) {
            // Do nothing
        }
        else {
            IQ reply = IQ.createResultIQ((IQ) packet);
            reply.setChildElement(((IQ) packet).getChildElement().createCopy());
            reply.setError(PacketError.Condition.feature_not_implemented);
            router.route(reply);
        }
    }
}
 

private IQ deleteList(IQ packet, JID from, String listName) {
    ClientSession currentSession;
    IQ result = IQ.createResultIQ(packet);
    Element childElement = packet.getChildElement().createCopy();
    result.setChildElement(childElement);
    // Get the list to delete
    PrivacyList list = manager.getPrivacyList(from.getNode(), listName);

    if (list == null) {
        // List to delete was not found
        result.setError(PacketError.Condition.item_not_found);
        return result;
    }
    else {
        currentSession = sessionManager.getSession(from);
        // Check if the list is being used by another session
        for (ClientSession session : sessionManager.getSessions(from.getNode())) {
            if (currentSession == session) {
                // Ignore the active session for this checking
                continue;
            }
            if (list.equals(session.getDefaultList()) || list.equals(session.getActiveList())) {
                // List to delete is being used by another session so return a conflict error
                result.setError(PacketError.Condition.conflict);
                return result;
            }
        }
    }
    // Remove the list from the active session (if it was being used)
    if (list.equals(currentSession.getDefaultList())) {
        currentSession.setDefaultList(null);
    }
    if (list.equals(currentSession.getActiveList())) {
        currentSession.setActiveList(null);
    }
    manager.deletePrivacyList(from.getNode(), listName);
    return result;
}
 

public PacketError asPacketError() {
    PacketError packetError = new PacketError(this.baseCondition);
    if (applicationCondition != null) {
        packetError.setApplicationCondition(applicationCondition.toString().toLowerCase(),
                                            PUBSUB_ERROR_NS);
    }
    return packetError;
}
 

@Override
public void sendError(PacketError packetError) {
    Packet packet = new IQ();
    packet.setTo(this.deviceId.getJid());
    packet.setFrom(new JID(XmppConstants.SERVER_JID));
    packet.setError(packetError);
    this.session.sendPacket(packet);
}
 

@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
	
	System.out.println(">>>>>>>>>>>>> RECV IQ: " + packet.toXML()); // XXX
	
	// get users near me(from JID)
	if (IQ.Type.get.equals(packet.getType())) {
		return getUsersNearme(packet);
	// set from JID's location to ...
	} else if (IQ.Type.set.equals(packet.getType())) {
		JID to = packet.getTo();
		
		// send from JID's location to to JID
		if (to.getNode() != null && !to.getNode().equals("")){  
			XMPPServer.getInstance().getIQRouter().route(packet); // route to another user 
			
			return IQ.createResultIQ(packet);
		// send from JID's location to server , and update ofLocation  
		}else{ 
			return updateLocation(packet);
		}
	} else {
		IQ reply = IQ.createResultIQ(packet);
		reply.setType(IQ.Type.error);
		reply.setError(PacketError.Condition.bad_request);
		return reply;
	}
}
 

@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException, PacketException {
    IQ replyPacket = IQ.createResultIQ(packet);

    Element child = packet.getChildElement();
    Element dataElement = child.elementIterator().next();

    if ( !XMPPServer.getInstance().isLocal( packet.getFrom()) || !UserManager.getInstance().isRegisteredUser( packet.getFrom()) ) {
        replyPacket.setChildElement(packet.getChildElement().createCopy());
        replyPacket.setError(PacketError.Condition.service_unavailable);
        replyPacket.getError().setText( "Service available only to locally registered users." );
        return replyPacket;
    }

    if (dataElement != null) {
        if (IQ.Type.get.equals(packet.getType())) {
            Element dataStored = privateStorage.get(packet.getFrom().getNode(), dataElement);
            dataStored.setParent(null);

            child.remove(dataElement);
            child.setParent(null);
            replyPacket.setChildElement(child);
            child.add(dataStored);
        }
        else {
            if (privateStorage.isEnabled()) {
                privateStorage.add(packet.getFrom().getNode(), dataElement);
            } else {
                replyPacket.setChildElement(packet.getChildElement().createCopy());
                replyPacket.setError(PacketError.Condition.service_unavailable);
            }
        }
    }
    else {
        replyPacket.setChildElement("query", "jabber:iq:private");
    }
    return replyPacket;
}
 

@Override
public void send(@Nonnull Packet packet, @Nonnull MUCRole sender) {
    if (packet instanceof Message) {
        broadcast((Message)packet, sender);
    }
    else if (packet instanceof Presence) {
        broadcastPresence((Presence)packet, false, sender);
    }
    else if (packet instanceof IQ) {
        IQ reply = IQ.createResultIQ((IQ) packet);
        reply.setChildElement(((IQ) packet).getChildElement());
        reply.setError(PacketError.Condition.bad_request);
        router.route(reply);
    }
}
 

private void sendPacketError(Element stanza, PacketError.Condition condition) {
    Element reply = stanza.createCopy();
    reply.addAttribute("type", "error");
    reply.addAttribute("to", stanza.attributeValue("from"));
    reply.addAttribute("from", stanza.attributeValue("to"));
    reply.add(new PacketError(condition).getElement());
    deliver(reply.asXML());
}
 

private void bounce(Message message) {
    // The bouncing behavior as implemented beyond this point was introduced as part
    // of OF-1852. This kill-switch allows it to be disabled again in case it
    // introduces unwanted side-effects.
    if ( !JiveGlobals.getBooleanProperty( "xmpp.message.bounce", true ) ) {
        log.trace( "Not bouncing a message stanza, as bouncing is disabled by configuration." );
        return;
    }

    // Do nothing if the packet included an error. This intends to prevent scenarios
    // where a stanza that is bounced itself gets bounced, causing a loop.
    if (message.getError() != null) {
        log.trace( "Not bouncing a stanza that included an error (to prevent never-ending loops of bounces-of-bounces)." );
        return;
    }

    // Do nothing if the sender was the server itself
    if (message.getFrom() == null || message.getFrom().toString().equals( serverName )) {
        log.trace( "Not bouncing a stanza that was sent by the server itself." );
        return;
    }
    try {
        log.trace( "Bouncing a message stanza." );

        // Generate a rejection response to the sender
        final Message errorResponse = message.createCopy();
        // return an error stanza to the sender, which SHOULD be <service-unavailable/>
        errorResponse.setError(PacketError.Condition.service_unavailable);
        errorResponse.setFrom(message.getTo());
        errorResponse.setTo(message.getFrom());
        // Send the response
        route(errorResponse);
    }
    catch (Exception e) {
        log.error("An exception occurred while trying to bounce a message.", e);
    }
}
 

/**
 * Returns the IQ packet containing the details of the specified list. If no list
 * was found or the IQ request contains more than one specified list then an error will
 * be returned.
 *
 * @param packet IQ packet requesting a given list.
 * @param from sender of the IQ packet.
 * @return the IQ packet containing the details of the specified list.
 */
private IQ getPrivacyList(IQ packet, JID from) {
    IQ result = IQ.createResultIQ(packet);
    Element childElement = packet.getChildElement().createCopy();
    result.setChildElement(childElement);

    // Check that only one list was requested
    List<Element> lists = childElement.elements("list");
    if (lists.size() > 1) {
        result.setError(PacketError.Condition.bad_request);
    }
    else {
        String listName = lists.get(0).attributeValue("name");
        PrivacyList list = null;
        if (listName != null) {
            // A list name was specified so get it
            list = manager.getPrivacyList(from.getNode(), listName);
        }
        if (list != null) {
            // Add the privacy list to the result
            childElement = result.setChildElement("query", "jabber:iq:privacy");
            childElement.add(list.asElement());
        }
        else {
            // List not found
            result.setError(PacketError.Condition.item_not_found);
        }
    }
    return result;
}
 

@Override
public PacketError.Condition getSubsriptionError() {
    return PacketError.Condition.not_allowed;
}