/**
* Processes an IQ-register request that is expressing the wish to deregister from a gateway.
*
* @param packet the IQ-register stanza.
*/
private void handleDeregister(final IQ packet) {
final IQ result = IQ.createResultIQ(packet);
if (packet.getChildElement().elements().size() != 1) {
Log.debug(
"Cannot process this stanza - exactly one"
+ " childelement of <remove> expected:"
+ packet.toXML());
final IQ error = IQ.createResultIQ(packet);
error.setError(Condition.bad_request);
parent.sendPacket(error);
return;
}
final JID from = packet.getFrom();
final JID to = packet.getTo();
// Tell the end user the transport went byebye.
final Presence unavailable = new Presence(Presence.Type.unavailable);
unavailable.setTo(from);
unavailable.setFrom(to);
this.parent.sendPacket(unavailable);
try {
deleteRegistration(from);
} catch (UserNotFoundException e) {
Log.debug("Error cleaning up contact list of: " + from);
result.setError(Condition.registration_required);
}
parent.sendPacket(result);
}
public void interceptPacket(Packet packet, Session session, boolean incoming, boolean processed)
throws PacketRejectedException {
// We only want packets recieved by the server
if (!processed && incoming && packet instanceof IQ) {
IQ iq = (IQ) packet;
Element childElement = iq.getChildElement();
if (childElement == null) {
return;
}
String namespace = childElement.getNamespaceURI();
String profile = childElement.attributeValue("profile");
// Check that the SI is about file transfer and try creating a file transfer
if (NAMESPACE_SI.equals(namespace) && NAMESPACE_SI_FILETRANSFER.equals(profile)) {
// If this is a set, check the feature offer
if (iq.getType().equals(IQ.Type.set)) {
JID from = iq.getFrom();
JID to = iq.getTo();
FileTransfer transfer = createFileTransfer(from, to, childElement);
try {
if (transfer == null || !acceptIncomingFileTransferRequest(transfer)) {
throw new PacketRejectedException();
}
} catch (FileTransferRejectedException e) {
throw new PacketRejectedException(e);
}
}
}
}
}
public void executeGet(IQ packet, Workgroup workgroup) {
IQ reply = IQ.createResultIQ(packet);
JID from = packet.getFrom();
String bareJID = from.toBareJID();
boolean isMonitor = false;
// Retrieve the sound settings.
String monitors = workgroup.getProperties().getProperty("monitors");
if (monitors != null) {
StringTokenizer tkn = new StringTokenizer(monitors, ",");
while (tkn.hasMoreTokens()) {
String agent = tkn.nextToken();
if (agent.equalsIgnoreCase(bareJID)) {
isMonitor = true;
}
}
}
Element monitorElement =
reply.setChildElement("monitor", "http://jivesoftware.com/protocol/workgroup");
if (!isMonitor) {
monitorElement.addElement("isMonitor").setText("false");
} else {
monitorElement.addElement("isMonitor").setText("true");
}
workgroup.send(reply);
}
/**
* 退出群
*
* @param iq
* @return
*/
private IQ quitGroup(IQ iq) {
String member_jid = iq.getFrom().toBareJID();
JID group = iq.getTo();
IQ reply = IQ.createResultIQ(iq);
long group_id = -1;
LocalGroup localGroup = null;
try {
group_id = Long.parseLong(group.getNode());
localGroup = service.getGroup(group_id);
} catch (Exception e) {
reply.setError(PacketError.Condition.bad_request);
return reply;
}
// 删除群成员
try {
Map<String, LocalGroupRole> members = localGroup.getGroupMembers();
if (members != null && !members.isEmpty()) {
int delete = groupDbManager.deleteGroupMember(group_id, member_jid);
// 有记录被删除,通知群成员
if (delete > 0) {
// 如果群主退出，删除群
if (localGroup.isOwner(member_jid)) groupDbManager.deleteGroupById(group_id);
// 发送消息
sendPacket(members.keySet(), packetUtil.createQuitPresence(member_jid, group_id));
}
}
localGroup.removeMember(member_jid);
} catch (SQLException e) {
reply.setError(PacketError.Condition.internal_server_error);
return reply;
}
return null;
}
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);
}
/*
* (non-Javadoc)
*
* @see
* com.buddycloud.pusher.handler.AbstractQueryHandler#handleQuery(org.xmpp
* .packet.IQ)
*/
@Override
protected IQ handleQuery(IQ iq) {
String userJid = iq.getFrom().toBareJID();
Element queryElement = iq.getElement().element("query");
Element typeEl = queryElement.element("type");
NotificationSettings notificationSettings =
NotificationUtils.getNotificationSettingsByType(userJid, typeEl.getText(), getDataSource());
return createResponse(iq, userJid, notificationSettings);
}
private void unregister(IQ request, JID actorJID, boolean isRemote) throws Exception {
LOGGER.debug("Processing unregister request from " + request.getFrom());
if (!validateSingleChildElement(request)) {
failBadRequest(request);
return;
}
if (!isRemote && !userRegistered(actorJID)) {
failRegistrationRequired(request);
return;
}
Transaction t = null;
try {
t = channelManager.beginTransaction();
List<Packet> notifications = new LinkedList<Packet>();
Set<String> remoteDomains = getRemoteDomains();
ResultSet<NodeMembership> userMemberships = channelManager.getUserMemberships(actorJID);
for (NodeMembership userMembership : userMemberships) {
String nodeId = userMembership.getNodeId();
if (isPersonal(nodeId) || isSingleOwner(nodeId, actorJID)) {
channelManager.deleteNode(nodeId);
if (Configuration.getInstance().isLocalNode(nodeId)) {
addDeleteNodeNotifications(nodeId, notifications);
}
}
if (!isRemote) {
addUnsubscribeFromNodeNotifications(actorJID, userMembership.getNodeId(), notifications);
}
}
ResultSet<NodeItem> userItems = channelManager.getUserPublishedItems(actorJID);
for (NodeItem userItem : userItems) {
if (Configuration.getInstance().isLocalNode(userItem.getNodeId())) {
addDeleteItemNotifications(userItem.getNodeId(), userItem.getId(), notifications);
}
}
channelManager.deleteUserItems(actorJID);
channelManager.deleteUserSubscriptions(actorJID);
channelManager.deleteUserAffiliations(actorJID);
outQueue.put(IQ.createResultIQ(request));
if (!isRemote) {
makeRemoteRequests(request, remoteDomains);
}
sendNotifications(notifications);
t.commit();
} finally {
if (t != null) {
t.close();
}
}
}
/**
* 审批入群申请
*
* @param iq
* @return
*/
private IQ processGroupApply(IQ iq) {
IQ reply = IQ.createResultIQ(iq);
// 发送者
String creator = iq.getFrom().toBareJID();
Element query = iq.getChildElement();
// 申请人
String applier = query.elementText("applier");
// 审批结果
String result = query.elementText("result");
if (result == null
|| applier == null
|| (!GroupApply.STATUS_ACCEPT.equals(result) && !GroupApply.STATUS_DENIED.equals(result))) {
reply.setError(PacketError.Condition.bad_request);
return reply;
}
long group_id = -1;
LocalGroup localGroup = null;
try {
group_id = Long.parseLong(iq.getTo().getNode());
localGroup = service.getGroup(group_id);
} catch (Exception e) {
reply.setError(PacketError.Condition.bad_request);
return reply;
}
try {
// 检查是否已经处理过这条请求
GroupApply apply = groupDbManager.getGroupApplyByUserGroupId(group_id, applier);
if (apply == null && !localGroup.isOwner(creator)) {
reply.setError(PacketError.Condition.bad_request);
return reply;
}
// 处理请求
apply.setStatus(result);
groupDbManager.processGroupApply(apply);
// 如果申请人在线，发送消息通知
Message applier_msg =
packetUtil.createGroupApplyResponseMessage(apply, localGroup.getGroup());
boolean sent = sendPacketIfOnline(applier_msg, apply.getApply_user());
// 未发送，保存到数据库
if (!sent) {
GroupSysMessage sysMessage =
new GroupSysMessage(apply.getApply_user(), applier_msg.toXML());
groupDbManager.insertGroupSysMessage(sysMessage);
}
// 如果是同意,发送presence给群成员
if (GroupApply.STATUS_ACCEPT.equals(apply.getStatus())) {
// 发送消息
sendPacket(
localGroup.getGroupMembers().keySet(), packetUtil.createNewMemberPresence(apply));
}
// 处理完成
} catch (SQLException e) {
reply.setError(PacketError.Condition.internal_server_error);
}
return reply;
}
private boolean checkDomain(IQ request, JID actorJID) throws InterruptedException {
if (!request.getFrom().getDomain().contains(actorJID.getDomain())) {
fail(
request,
org.xmpp.packet.PacketError.Condition.bad_request,
org.xmpp.packet.PacketError.Type.cancel);
return false;
}
return true;
}
public void executeSet(IQ packet, Workgroup workgroup) {
IQ reply = null;
Element iq = packet.getChildElement();
try {
JID from = packet.getFrom();
String bareJID = from.toBareJID();
if (!isOwner(bareJID, workgroup)) {
reply = IQ.createResultIQ(packet);
reply.setChildElement(packet.getChildElement().createCopy());
reply.setError(new PacketError(PacketError.Condition.forbidden));
workgroup.send(reply);
return;
}
// Verify that an agent is requesting this information.
WorkgroupManager workgroupManager = WorkgroupManager.getInstance();
if (iq.element("makeOwner") != null) {
String sessionID = iq.element("makeOwner").attributeValue("sessionID");
final String serviceName = workgroupManager.getMUCServiceName();
final String roomName = sessionID + "@" + serviceName;
// final String roomJID = roomName + "/" + workgroup.getJID().getNode();
IQ iqPacket = new IQ(IQ.Type.set);
iqPacket.setTo(roomName);
iqPacket.setFrom(workgroup.getFullJID());
Element query = iqPacket.setChildElement("query", "http://jabber.org/protocol/muc#admin");
Element item = query.addElement("item");
item.addAttribute("affiliation", "owner");
item.addAttribute("jid", packet.getFrom().toBareJID());
workgroup.send(iqPacket);
}
reply = IQ.createResultIQ(packet);
} catch (Exception e) {
reply = IQ.createResultIQ(packet);
reply.setChildElement(packet.getChildElement().createCopy());
reply.setError(new PacketError(PacketError.Condition.item_not_found));
}
workgroup.send(reply);
}
@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;
}
/**
* 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;
}
private void makeRemoteRequests(IQ request, Set<String> remoteDomains) throws Exception {
for (String remoteDomain : remoteDomains) {
IQ remoteRequest = request.createCopy();
remoteRequest.getElement().addAttribute("remote-server-discover", "false");
remoteRequest.setTo(remoteDomain);
Element actor =
remoteRequest
.getElement()
.element("query")
.element("remove")
.addElement("actor", Buddycloud.NS);
actor.addText(request.getFrom().toBareJID());
outQueue.put(remoteRequest);
}
}
public void componentInfoReceived(IQ iq) {
// Check if it's a Clearspace component
boolean isClearspace = false;
Element childElement = iq.getChildElement();
for (Iterator it = childElement.elementIterator("identity"); it.hasNext(); ) {
Element identity = (Element) it.next();
if ("component".equals(identity.attributeValue("category"))
&& "clearspace".equals(identity.attributeValue("type"))) {
isClearspace = true;
}
}
// If component is Clearspace then keep track of the component
if (isClearspace) {
clearspaces.add(iq.getFrom().getDomain());
}
}
/**
* 用户申请入群
*
* @param iq
* @return
*/
private IQ applyUserGroup(IQ iq) {
JID from = iq.getFrom();
JID to = iq.getTo();
long group_id = -1;
// 取群id
try {
group_id = Long.parseLong(to.getNode());
} catch (Exception e) {
return packetUtil.createErrorIq(iq, GroupError.Condition.bad_request);
}
try {
// 申请理由
String reason = iq.getChildElement().elementText("reason");
// 申请人
String member_jid = from.toBareJID();
Group group = groupDbManager.getGroupById(group_id);
// 群不存在
if (group == null) return packetUtil.createErrorIq(iq, GroupError.Condition.group_not_exsist);
// 已经是群成员
if (groupDbManager.isGroupMember(group_id, member_jid))
return packetUtil.createErrorIq(iq, GroupError.Condition.alread_in_group);
// 已经提交了申请
if (groupDbManager.getGroupApplyByUserGroupId(group_id, member_jid) != null)
return packetUtil.createErrorIq(iq, GroupError.Condition.alread_applied);
// 新建入群申请
GroupApply apply = new GroupApply(group_id, member_jid);
groupDbManager.insertGroupApply(apply);
// 生成需要发送给群主的消息
IQ to_admin = packetUtil.createGroupApplyMessage(group, member_jid, reason);
// 插入系统消息
GroupSysMessage sysMessage =
new GroupSysMessage(group_id, member_jid, group.getCreator(), to_admin.toXML());
groupDbManager.insertGroupSysMessage(sysMessage);
// 如果群主在线，发送审核消息
sendPacketIfOnline(to_admin, group.getCreator());
return IQ.createResultIQ(iq);
} catch (SQLException e) {
e.printStackTrace();
return packetUtil.createErrorIq(iq, GroupError.Condition.server_error);
}
}
@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
IQ reply = IQ.createResultIQ(packet);
Element offlineRequest = packet.getChildElement();
JID from = packet.getFrom();
if (offlineRequest.element("purge") != null) {
// User requested to delete all offline messages
messageStore.deleteMessages(from.getNode());
} else if (offlineRequest.element("fetch") != null) {
// Mark that offline messages shouldn't be sent when the user becomes available
stopOfflineFlooding(from);
// User requested to receive all offline messages
for (OfflineMessage offlineMessage : messageStore.getMessages(from.getNode(), false)) {
sendOfflineMessage(from, offlineMessage);
}
} else {
for (Iterator it = offlineRequest.elementIterator("item"); it.hasNext(); ) {
Element item = (Element) it.next();
Date creationDate = null;
try {
creationDate = xmppDateTime.parseString(item.attributeValue("node"));
} catch (ParseException e) {
Log.error("Error parsing date", e);
}
if ("view".equals(item.attributeValue("action"))) {
// User requested to receive specific message
OfflineMessage offlineMsg = messageStore.getMessage(from.getNode(), creationDate);
if (offlineMsg != null) {
sendOfflineMessage(from, offlineMsg);
}
} else if ("remove".equals(item.attributeValue("action"))) {
// User requested to delete specific message
if (messageStore.getMessage(from.getNode(), creationDate) != null) {
messageStore.deleteMessage(from.getNode(), creationDate);
} else {
// If the requester is authorized but the node does not exist, the server MUST return a
// <item-not-found/> error.
reply.setError(PacketError.Condition.item_not_found);
}
}
}
}
return reply;
}
@Override
public void process(IQ request) throws Exception {
JID actorJID = null;
Element removeEl = request.getElement().element("query").element("remove");
Element actorEl = removeEl.element("actor");
boolean isRemote = actorEl != null;
if (isRemote) {
actorJID = new JID(actorEl.getTextTrim());
if (!checkDomain(request, actorJID)) {
return;
}
} else {
actorJID = new JID(request.getFrom().toBareJID());
}
unregister(request, actorJID, isRemote);
}
@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
Log.debug("handling IQ packet " + packet);
IQ reply = IQ.createResultIQ(packet);
Element iq = packet.getChildElement();
String method = iq.attributeValue("name");
List<String> args = new ArrayList<String>();
// TODO Don't look this up each time
// We currently do this to avoid problems during development
// from reloading Jive - later we probably want to move this to
// constructor
XMPPMethods methods = EJBUtil.defaultLookup(XMPPMethods.class);
SimpleAnnotatedInvoker xmppInvoker =
new SimpleAnnotatedInvoker(XMPPRemoted.class, methods, new PersonArgumentPrepender());
for (Object argObj : iq.elements()) {
Node arg = (Node) argObj;
Log.debug("parsing expected arg node " + arg);
if (arg.getNodeType() == Node.ELEMENT_NODE) {
String argValue = arg.getText();
Log.debug("Adding arg value" + argValue);
args.add(argValue);
}
}
try {
Log.debug(
"invoking method "
+ method
+ " with ("
+ args.size()
+ ") args "
+ Arrays.toString(args.toArray()));
@SuppressWarnings("unused")
String replyStr = xmppInvoker.invoke(method, args, packet.getFrom());
// Don't do anything with this yet
} catch (Exception e) {
Log.debug("Caught exception during client method invocation", e);
}
return reply;
}
public void process(Packet packet) {
// Check that the requested packet can be processed
if (canProcess(packet)) {
// Perform the actual processing of the packet. This usually implies sending
// the packet to the entity
try {
// Invoke the interceptors before we send the packet
InterceptorManager.getInstance().invokeInterceptors(packet, this, false, false);
deliver(packet);
// Invoke the interceptors after we have sent the packet
InterceptorManager.getInstance().invokeInterceptors(packet, this, false, true);
} catch (PacketRejectedException e) {
// An interceptor rejected the packet so do nothing
} catch (Exception e) {
Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
}
} else {
// http://xmpp.org/extensions/xep-0016.html#protocol-error
if (packet instanceof Message) {
// For message stanzas, the server SHOULD return an error, which SHOULD be
// <service-unavailable/>.
Message message = (Message) packet;
Message result = message.createCopy();
result.setTo(message.getFrom());
result.setError(PacketError.Condition.service_unavailable);
XMPPServer.getInstance().getRoutingTable().routePacket(message.getFrom(), result, true);
} else if (packet instanceof IQ) {
// For IQ stanzas of type "get" or "set", the server MUST return an error, which SHOULD be
// <service-unavailable/>.
// IQ stanzas of other types MUST be silently dropped by the server.
IQ iq = (IQ) packet;
if (iq.getType() == IQ.Type.get || iq.getType() == IQ.Type.set) {
IQ result = IQ.createResultIQ(iq);
result.setError(PacketError.Condition.service_unavailable);
XMPPServer.getInstance().getRoutingTable().routePacket(iq.getFrom(), result, true);
}
}
}
}
/**
* 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;
}
void addComponentInfo(IQ iq) {
componentInfo.put(iq.getFrom().getDomain(), iq);
}
/**
* Handles the received IQ packet.
*
* @param packet the packet
* @return the response to send back
* @throws UnauthorizedException if the user is not authorized
*/
public IQ handleIQ(IQ packet) throws UnauthorizedException {
IQ reply = null;
ClientSession session = sessionManager.getSession(packet.getFrom());
if (session == null) {
log.error("Session not found for key " + packet.getFrom());
reply = IQ.createResultIQ(packet);
reply.setChildElement(packet.getChildElement().createCopy());
reply.setError(PacketError.Condition.internal_server_error);
return reply;
}
try {
Element iq = packet.getElement();
Element query = iq.element("query");
Element queryResponse = probeResponse.createCopy();
if (IQ.Type.get == packet.getType()) { // get query
String username = query.elementText("username");
if (username != null) {
queryResponse.element("username").setText(username);
}
reply = IQ.createResultIQ(packet);
reply.setChildElement(queryResponse);
if (session.getStatus() != Session.STATUS_AUTHENTICATED) {
reply.setTo((JID) null);
}
} else { // set query
String resource = query.elementText("resource");
String username = query.elementText("username");
String password = query.elementText("password");
String digest = null;
if (query.element("digest") != null) {
digest = query.elementText("digest").toLowerCase();
}
// Verify the resource
if (resource != null) {
try {
resource = JID.resourceprep(resource);
} catch (StringprepException e) {
throw new UnauthorizedException("Invalid resource: " + resource, e);
}
} else {
throw new IllegalArgumentException("Invalid resource (empty or null).");
}
// Verify the username
if (username == null || username.trim().length() == 0) {
throw new UnauthorizedException("Invalid username (empty or null).");
}
try {
Stringprep.nodeprep(username);
} catch (StringprepException e) {
throw new UnauthorizedException("Invalid username: " + username, e);
}
username = username.toLowerCase();
// Verify that username and password are correct
AuthToken token = null;
if (password != null && AuthManager.isPlainSupported()) {
token = AuthManager.authenticate(username, password);
} else if (digest != null && AuthManager.isDigestSupported()) {
token = AuthManager.authenticate(username, session.getStreamID().toString(), digest);
}
if (token == null) {
throw new UnauthenticatedException();
}
// Set the session authenticated successfully
session.setAuthToken(token, resource);
packet.setFrom(session.getAddress());
reply = IQ.createResultIQ(packet);
}
} catch (Exception ex) {
log.error(ex);
reply = IQ.createResultIQ(packet);
reply.setChildElement(packet.getChildElement().createCopy());
if (ex instanceof IllegalArgumentException) {
reply.setError(PacketError.Condition.not_acceptable);
} else if (ex instanceof UnauthorizedException) {
reply.setError(PacketError.Condition.not_authorized);
} else if (ex instanceof UnauthenticatedException) {
reply.setError(PacketError.Condition.not_authorized);
} else {
reply.setError(PacketError.Condition.internal_server_error);
}
}
// Send the response directly to the session
if (reply != null) {
session.process(reply);
}
return null;
}
/**
* Reads a history request off the wire, sends it to the WS with a new callback for returning the
* response.
*
* @param request the history request
* @param responseCallback the callback to send the response back
*/
void processHistoryRequest(final IQ request, final PacketCallback responseCallback) {
Element items = null, historyDelta = null;
Element pubsubRequest = request.getElement().element("pubsub");
if (pubsubRequest != null) {
items = pubsubRequest.element("items");
if (items != null) {
historyDelta = items.element("delta-history");
}
}
if (items == null
|| historyDelta == null
|| historyDelta.attribute("start-version") == null
|| historyDelta.attribute("start-version-hash") == null
|| historyDelta.attribute("end-version") == null
|| historyDelta.attribute("end-version-hash") == null
|| historyDelta.attribute("wavelet-name") == null) {
responseCallback.error(FederationErrors.badRequest("Malformed history request"));
return;
}
final ProtocolHashedVersion startVersion;
try {
startVersion =
parseFromUnsafe(
historyDelta.attributeValue("start-version"),
historyDelta.attributeValue("start-version-hash"));
} catch (IllegalArgumentException e) {
responseCallback.error(FederationErrors.badRequest("Invalid format of start version"));
return;
}
final ProtocolHashedVersion endVersion;
try {
endVersion =
parseFromUnsafe(
historyDelta.attributeValue("end-version"),
historyDelta.attributeValue("end-version-hash"));
} catch (IllegalArgumentException e) {
responseCallback.error(FederationErrors.badRequest("Invalid format of end version"));
return;
}
final long responseLengthLimit;
if (historyDelta.attribute("response-length-limit") != null) {
try {
responseLengthLimit = Long.parseLong(historyDelta.attributeValue("response-length-limit"));
} catch (NumberFormatException e) {
responseCallback.error(FederationErrors.badRequest("Invalid response length limit"));
return;
}
} else {
responseLengthLimit = 0;
}
final WaveletName waveletName;
try {
waveletName =
XmppUtil.waveletNameCodec.uriToWaveletName(historyDelta.attributeValue("wavelet-name"));
} catch (EncodingException e) {
responseCallback.error(
FederationErrors.badRequest(
"Malformed wavelet name: " + historyDelta.attributeValue("wavelet-name")));
return;
}
// Construct a new response listener inline.
WaveletFederationProvider.HistoryResponseListener listener =
new WaveletFederationProvider.HistoryResponseListener() {
@Override
public void onFailure(FederationError error) {
responseCallback.error(error);
}
@Override
public void onSuccess(
List<ByteString> appliedDeltaSet,
ProtocolHashedVersion lastCommittedVersion,
long versionTruncatedAt) {
IQ response = IQ.createResultIQ(request);
Element pubsub = response.setChildElement("pubsub", XmppNamespace.NAMESPACE_PUBSUB);
Element items = pubsub.addElement("items");
// Add each delta to the outgoing response.
for (ByteString appliedDelta : appliedDeltaSet) {
items
.addElement("item")
.addElement("applied-delta", XmppNamespace.NAMESPACE_WAVE_SERVER)
.addCDATA(Base64Util.encode(appliedDelta.toByteArray()));
}
// Set the LCV history-hash, if provided.
// TODO(thorogood): We don't set the hashed version, which is wrong,
// but it's not part of the current spec (Feb 2010).
if (lastCommittedVersion != null && lastCommittedVersion.hasVersion()) {
String version = String.valueOf(lastCommittedVersion.getVersion());
items
.addElement("item")
.addElement("commit-notice", XmppNamespace.NAMESPACE_WAVE_SERVER)
.addAttribute("version", version);
}
// Set the version truncated at, if provided.
if (versionTruncatedAt > 0) {
String version = String.valueOf(versionTruncatedAt);
items
.addElement("item")
.addElement("history-truncated", XmppNamespace.NAMESPACE_WAVE_SERVER)
.addAttribute("version", version);
}
// Send the message to the source.
responseCallback.run(response);
}
};
// Hand off a history request to the waveletProvider.
// TODO(thorogood,arb): Note that the following remote domain is going to be
// the Wave component JID (e.g. wave.foo.com), and *not* the actual remote domain.
String remoteDomain = request.getFrom().getDomain();
waveletProvider.requestHistory(
waveletName, remoteDomain, startVersion, endVersion, responseLengthLimit, listener);
}
@Override
public void interceptPacket(Packet packet, Session session, boolean incoming, boolean processed)
throws PacketRejectedException {
if (!processed && incoming) {
if (packet instanceof IQ) {
Log.debug(
"Incomping unprocessed package i might be interested in. Package: \n"
+ packet.toString()
+ "\n");
IQ myPacket = (IQ) packet;
if (myPacket.getFrom() == null || myPacket.getTo() == null) {
/*
* If getTo() == null this is maybe a roster update from the
* Client to the Server, check if we should mirror this
* package to external component
*/
if (myPacket.getFrom() != null
&& myPacket.getType().equals(IQ.Type.set)
&& myPacket.getTo() == null) {
if (XpathHelper.findNodesInDocument(
myPacket.getChildElement().getDocument(), "//roster:item")
.size()
> 0) {
_packetProcessor.get("clientToComponentUpdate").process(myPacket);
}
}
return;
}
@SuppressWarnings("unused")
String to = myPacket.getTo().toString();
String from = myPacket.getFrom().toString();
if (myPacket.getType().equals(IQ.Type.get) && from.equals(_mySubdomain)) {
if (XpathHelper.findNodesInDocument(myPacket.getElement().getDocument(), "//roster:*")
.size()
== 1) {
// This Package is a roster request by remote component
_packetProcessor.get("sendRoster").process(packet);
}
} else if (myPacket.getType().equals(IQ.Type.set) && from.equals(_mySubdomain)) {
if (XpathHelper.findNodesInDocument(myPacket.getElement().getDocument(), "//roster:item")
.size()
>= 1) {
// Component sends roster update
_packetProcessor.get("receiveChanges").process(packet);
}
} else if (myPacket.getType().equals(IQ.Type.get)
&& myPacket.toString().contains("http://jabber.org/protocol/disco#info")
&& myPacket.getTo().toString().equals(_mySubdomain)) {
/*
* modify the disco#info for spark clients if enabled in
* admin panel
*/
_packetProcessor.get("sparkIQRegistered").process(packet);
} else if (myPacket.getType().equals(IQ.Type.set)
&& myPacket.getTo().toString().equals(_mySubdomain)) {
System.out.println("war das ein remove an mich????");
_packetProcessor.get("handleCleanUp").process(packet);
}
}
// else if (packet instanceof Presence) {
// if (packet.getFrom().toString().equals(_mySubdomain)
// &&
// !JiveGlobals.getBooleanProperty("plugin.remoteroster.persistent",
// false)) {
// System.out.println("MACH EIN CLEANUP!!!!!!");
// _packetProcessor.get("handleCleanUp").process(packet);
// }
// }
}
}
/**
* Handles a IQ-register 'get' request, which is to be interpreted as a request for a registration
* form template. The template will be prefilled with data, if the requestee has a current
* registration with the gateway.
*
* @param packet the IQ-register 'get' stanza.
* @throws UnauthorizedException if the user is not allowed to make use of the gateway.
*/
private void getRegistrationForm(IQ packet) throws UnauthorizedException {
final JID from = packet.getFrom();
final IQ result = IQ.createResultIQ(packet);
// search for existing registrations
String curUsername = null;
String curPassword = null;
String curNickname = null;
Boolean registered = false;
final Collection<Registration> registrations =
RegistrationManager.getInstance().getRegistrations(from, parent.transportType);
if (registrations.iterator().hasNext()) {
Registration registration = registrations.iterator().next();
curUsername = registration.getUsername();
curPassword = registration.getPassword();
curNickname = registration.getNickname();
registered = true;
}
// Verify that the user is allowed to make use of the gateway.
if (!registered && !parent.permissionManager.hasAccess(from)) {
// User does not have permission to register with transport.
// We want to allow them to change settings if they are already
// registered.
throw new UnauthorizedException(
LocaleUtils.getLocalizedString("gateway.base.registrationdeniedbyacls", "kraken"));
}
// generate a template registration form.
final Element response =
DocumentHelper.createElement(QName.get("query", NameSpace.IQ_REGISTER));
final DataForm form = new DataForm(DataForm.Type.form);
form.addInstruction(parent.getTerminologyRegistration());
final FormField usernameField = form.addField();
usernameField.setLabel(parent.getTerminologyUsername());
usernameField.setVariable("username");
usernameField.setType(FormField.Type.text_single);
if (curUsername != null) {
usernameField.addValue(curUsername);
}
final FormField passwordField = form.addField();
passwordField.setLabel(parent.getTerminologyPassword());
passwordField.setVariable("password");
passwordField.setType(FormField.Type.text_private);
if (curPassword != null) {
passwordField.addValue(curPassword);
}
final String nicknameTerm = parent.getTerminologyNickname();
if (nicknameTerm != null) {
FormField nicknameField = form.addField();
nicknameField.setLabel(nicknameTerm);
nicknameField.setVariable("nick");
nicknameField.setType(FormField.Type.text_single);
if (curNickname != null) {
nicknameField.addValue(curNickname);
}
}
response.add(form.getElement());
response.addElement("instructions").addText(parent.getTerminologyRegistration());
// prefill the template with existing data if a registration already
// exists.
if (registered) {
response.addElement("registered");
response.addElement("username").addText(curUsername);
if (curPassword == null) {
response.addElement("password");
} else {
response.addElement("password").addText(curPassword);
}
if (nicknameTerm != null) {
if (curNickname == null) {
response.addElement("nick");
} else {
response.addElement("nick").addText(curNickname);
}
}
} else {
response.addElement("username");
response.addElement("password");
if (nicknameTerm != null) {
response.addElement("nick");
}
}
// Add special indicator for rosterless gateway handling.
response.addElement("x").addNamespace("", NameSpace.IQ_GATEWAY_REGISTER);
result.setChildElement(response);
parent.sendPacket(result);
}
/**
* Handles a IQ-register 'set' request, which is to be interpreted as a request to create a new
* registration.
*
* @param packet the IQ-register 'set' stanza.
* @throws UnauthorizedException if the user isn't allowed to register.
*/
private void setRegistrationForm(IQ packet) throws UnauthorizedException {
final JID from = packet.getFrom();
final boolean registered;
Collection<Registration> registrations =
RegistrationManager.getInstance().getRegistrations(from, parent.transportType);
if (registrations.iterator().hasNext()) {
registered = true;
} else {
registered = false;
}
if (!registered && !parent.permissionManager.hasAccess(from)) {
// User does not have permission to register with transport.
// We want to allow them to change settings if they are already
// registered.
throw new UnauthorizedException(
LocaleUtils.getLocalizedString("gateway.base.registrationdeniedbyacls", "kraken"));
}
// Parse the input variables
String username = null;
String password = null;
String nickname = null;
try {
if (packet.getChildElement().element("x") != null) {
final DataForm form = new DataForm(packet.getChildElement().element("x"));
final List<FormField> fields = form.getFields();
for (final FormField field : fields) {
final String var = field.getVariable();
if (var.equals("username")) {
username = field.getValues().get(0);
} else if (var.equals("password")) {
password = field.getValues().get(0);
} else if (var.equals("nick")) {
nickname = field.getValues().get(0);
}
}
}
}
// TODO: This shouldn't be done by catching an Exception - check for the
// existence of elements instead. If we insist doing this with an
// exception handler, prevent catching a generic Exception (catch more
// specific subclasses instead).
catch (Exception ex) {
// No with data form apparently
Log.info("Most likely, no dataform was present " + "in the IQ-register request.", ex);
}
// input variables could also exist in the non-extended elements
final Element userEl = packet.getChildElement().element("username");
final Element passEl = packet.getChildElement().element("password");
final Element nickEl = packet.getChildElement().element("nick");
if (userEl != null) {
username = userEl.getTextTrim();
}
if (passEl != null) {
password = passEl.getTextTrim();
}
if (nickEl != null) {
nickname = nickEl.getTextTrim();
}
username = (username == null || username.equals("")) ? null : username;
password = (password == null || password.equals("")) ? null : password;
nickname = (nickname == null || nickname.equals("")) ? null : nickname;
// verify that we've got wat we need.
if (username == null
|| (parent.isPasswordRequired() && password == null)
|| (parent.isNicknameRequired() && nickname == null)) {
// Invalid information from stanza, lets yell.
Log.info(
"Cannot process IQ register request, as it "
+ "fails to provide all data that's required: "
+ packet.toXML());
final IQ result = IQ.createResultIQ(packet);
result.setError(Condition.bad_request);
parent.sendPacket(result);
return;
}
// Check if the client supports our proprietary 'rosterless' mode.
final boolean rosterlessMode;
final Element x = packet.getChildElement().element("x");
if (x != null
&& x.getNamespaceURI() != null
&& x.getNamespaceURI().equals(NameSpace.IQ_GATEWAY_REGISTER)) {
rosterlessMode = true;
Log.info("Registering " + packet.getFrom() + " as " + username + " in rosterless mode.");
} else {
rosterlessMode = false;
Log.info(
"Registering "
+ packet.getFrom()
+ " as "
+ username
+ " (without making use of rosterless mode).");
}
// Here's where the true magic lies: create the registration!
try {
addNewRegistration(from, username, password, nickname, rosterlessMode);
registrations =
RegistrationManager.getInstance().getRegistrations(from, parent.transportType);
Registration registration = registrations.iterator().next();
TransportSession session =
parent.registrationLoggedIn(registration, from, PresenceType.available, "", -1);
session.setRegistrationPacket(packet);
session.detachSession();
parent.getSessionManager().storeSession(from, session);
// final IQ result = IQ.createResultIQ(packet);
// I believe this shouldn't be included. Leaving it around just in
// case.
// Element response =
// DocumentHelper.createElement(QName.get("query", IQ_REGISTER));
// result.setChildElement(response);
// parent.sendPacket(result);
} catch (UserNotFoundException e) {
Log.warn(
"Someone attempted to register with the gateway "
+ "who is not registered with the server: "
+ from);
final IQ eresult = IQ.createResultIQ(packet);
eresult.setError(Condition.forbidden);
parent.sendPacket(eresult);
final Message em = new Message();
em.setType(Message.Type.error);
em.setTo(packet.getFrom());
em.setFrom(packet.getTo());
em.setBody(LocaleUtils.getLocalizedString("gateway.base.registrationdeniednoacct", "kraken"));
parent.sendPacket(em);
} catch (IllegalAccessException e) {
Log.warn(
"Someone who is not a user of this server "
+ "tried to register with the transport: "
+ from);
final IQ eresult = IQ.createResultIQ(packet);
eresult.setError(Condition.forbidden);
parent.sendPacket(eresult);
final Message em = new Message();
em.setType(Message.Type.error);
em.setTo(packet.getFrom());
em.setFrom(packet.getTo());
em.setBody(LocaleUtils.getLocalizedString("gateway.base.registrationdeniedbyhost", "kraken"));
parent.sendPacket(em);
} catch (IllegalArgumentException e) {
Log.warn(
"Someone attempted to register with the " + "gateway with an invalid username: "******"gateway.base.registrationdeniedbadusername", "kraken"));
parent.sendPacket(em);
}
}
@SuppressWarnings("deprecation")
@Override
public IQ handleIQ(IQ packet) throws UnauthorizedException {
final JID sender = packet.getFrom();
final JID recipient = packet.getTo();
// Process the request inside a try/catch so that unhandled exceptions
// (oufofbounds etc...) can trigger a server error and we can send a
// error result packet
try {
// A valid request is an IQ of type set,
if (!packet.getType().equals(IQ.Type.set)) {
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.bad_request);
return result;
}
// If a recipient is specified, it must be equal to the sender
// bareJID
if (recipient != null && !recipient.toString().equals(sender.toBareJID())) {
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.not_authorized);
return result;
}
// Only a local user can publish its profile
if (!userManager.isRegisteredUser(sender.getNode())) {
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.not_authorized);
return result;
}
// A valid submit requets must contain a vcard4 entry
Element request = packet.getChildElement();
Element e_profile = request.element(QName.get(VCard4.VCARD_ELEMENT, VCard4.NAMESPACE));
if (e_profile == null) {
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.bad_request);
return result;
}
// Parse the profile
VCard4DomReader reader = new PersistentVCard4DomReader();
Profile profile = reader.readProfile(new ElementAdapter(e_profile));
// Commit the profile (this will also trigger the messages)
try {
ProfileManager.getInstance().publishProfile(sender.toBareJID(), profile);
} catch (UserNotFoundException e) {
// We know this cannot happen
}
// Send a success result
// TODO should this contain more, like the ID of the new activities ?
IQ result = IQ.createResultIQ(packet);
return result;
} catch (Exception e) {
Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.internal_server_error);
return result;
}
}