/**
* 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);
}
/**
* The packet is a typical 'set' or 'get' update targeted at the server. Notice that the set could
* be a roster removal in which case we have to generate a local roster removal update as well as
* a new roster removal to send to the the roster item's owner.
*
* @param packet The packet that triggered this update
* @return Either a response to the roster update or null if the packet is corrupt and the session
* was closed down
*/
private IQ manageRoster(org.xmpp.packet.Roster packet)
throws UnauthorizedException, UserAlreadyExistsException, SharedGroupException {
IQ returnPacket = null;
JID sender = packet.getFrom();
IQ.Type type = packet.getType();
try {
if ((sender.getNode() == null
|| !RosterManager.isRosterServiceEnabled()
|| !userManager.isRegisteredUser(sender.getNode()))
&& IQ.Type.get == type) {
// If anonymous user asks for his roster or roster service is disabled then
// return an empty roster
IQ reply = IQ.createResultIQ(packet);
reply.setChildElement("query", "jabber:iq:roster");
return reply;
}
if (!localServer.isLocal(sender)) {
// Sender belongs to a remote server so discard this IQ request
Log.warn("Discarding IQ roster packet of remote user: " + packet);
return null;
}
Roster cachedRoster = userManager.getUser(sender.getNode()).getRoster();
if (IQ.Type.get == type) {
returnPacket = cachedRoster.getReset();
returnPacket.setType(IQ.Type.result);
returnPacket.setTo(sender);
returnPacket.setID(packet.getID());
// Force delivery of the response because we need to trigger
// a presence probe from all contacts
deliverer.deliver(returnPacket);
returnPacket = null;
} else if (IQ.Type.set == type) {
for (org.xmpp.packet.Roster.Item item : packet.getItems()) {
if (item.getSubscription() == org.xmpp.packet.Roster.Subscription.remove) {
removeItem(cachedRoster, packet.getFrom(), item);
} else {
if (cachedRoster.isRosterItem(item.getJID())) {
// existing item
RosterItem cachedItem = cachedRoster.getRosterItem(item.getJID());
cachedItem.setAsCopyOf(item);
cachedRoster.updateRosterItem(cachedItem);
} else {
// new item
cachedRoster.createRosterItem(item);
}
}
}
returnPacket = IQ.createResultIQ(packet);
}
} catch (UserNotFoundException e) {
throw new UnauthorizedException(e);
}
return returnPacket;
}
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 void process(Element elm, JID actorJID, IQ reqIQ, Element rsm) throws Exception {
element = elm;
response = IQ.createResultIQ(reqIQ);
request = reqIQ;
actor = actorJID;
node = element.attributeValue("node");
if (null == actor) {
actor = request.getFrom();
}
if (!channelManager.isLocalNode(node)) {
makeRemoteRequest();
return;
}
try {
if (!nodeProvided() || !nodeExists() || !actorCanModify()) {
outQueue.put(response);
return;
}
} catch (NodeStoreException e) {
LOGGER.error(e);
setErrorCondition(PacketError.Type.cancel, PacketError.Condition.internal_server_error);
outQueue.put(response);
return;
}
setNodeConfiguration();
}
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);
}
public void completeRegistration(TransportSession session) {
final IQ result = IQ.createResultIQ(session.getRegistrationPacket());
if (!session.getFailureStatus().equals(ConnectionFailureReason.NO_ISSUE)) {
// Ooh there was a connection issue, we're going to report that back!
if (session
.getFailureStatus()
.equals(ConnectionFailureReason.USERNAME_OR_PASSWORD_INCORRECT)) {
result.setError(Condition.not_authorized);
} else if (session.getFailureStatus().equals(ConnectionFailureReason.CAN_NOT_CONNECT)) {
result.setError(Condition.service_unavailable);
} else if (session.getFailureStatus().equals(ConnectionFailureReason.LOCKED_OUT)) {
result.setError(Condition.forbidden);
} else {
result.setError(Condition.undefined_condition);
}
result.setType(IQ.Type.error);
}
parent.sendPacket(result);
session.setRegistrationPacket(null);
// Lets ask them what their presence is, maybe log them in immediately.
final Presence p = new Presence(Presence.Type.probe);
p.setTo(session.getJID());
p.setFrom(parent.getJID());
parent.sendPacket(p);
}
/**
* Configures the subscription based on the sent {@link DataForm} included in the IQ packet sent
* by the subscriber. If the subscription was pending of configuration then the last published
* item is going to be sent to the subscriber.
*
* <p>The originalIQ parameter may be <tt>null</tt> when using this API internally. When no IQ
* packet was sent then no IQ result will be sent to the sender. The rest of the functionality is
* the same.
*
* @param originalIQ the IQ packet sent by the subscriber to configure his subscription or null
* when using this API internally.
* @param options the data form containing the new subscription configuration.
*/
public void configure(IQ originalIQ, DataForm options) {
boolean wasUnconfigured = isConfigurationPending();
// Change the subscription configuration based on the completed form
configure(options);
if (originalIQ != null) {
// Return success response
service.send(IQ.createResultIQ(originalIQ));
}
if (wasUnconfigured) {
// If subscription is pending then send notification to node owners
// asking to approve the now configured subscription
if (isAuthorizationPending()) {
sendAuthorizationRequest();
}
// Send last published item (if node is leaf node and subscription status is ok)
if (node.isSendItemSubscribe() && isActive()) {
PublishedItem lastItem = node.getLastPublishedItem();
if (lastItem != null) {
sendLastPublishedItem(lastItem);
}
}
}
}
/**
* 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;
}
private void sendRemoteChannelServerNotFoundErrorResponses(String server)
throws ComponentException {
List<Packet> queued = waitingStanzas.get(server);
if (queued == null) {
return;
}
Element noRemoteServer =
new DOMElement("text", new Namespace("", JabberPubsub.NS_PUBSUB_ERROR));
noRemoteServer.setText("No pubsub channel service discovered for " + server);
Element itemNotFound =
new DOMElement(
PacketError.Condition.item_not_found.toXMPP(),
new Namespace("", JabberPubsub.NS_XMPP_STANZAS));
Element error = new DOMElement("error");
error.addAttribute("type", PacketError.Type.cancel.toXMPP());
error.add(itemNotFound);
error.add(noRemoteServer);
IQ response;
for (Packet packet : queued) {
response = IQ.createResultIQ((IQ) packet);
response.setFrom(localServer);
response.setType(IQ.Type.error);
response.setChildElement(error);
component.sendPacket(response);
}
}
private void fail(IQ request, Condition condition, org.xmpp.packet.PacketError.Type type)
throws InterruptedException {
IQ reply = IQ.createResultIQ(request);
reply.setType(Type.error);
PacketError pe = new PacketError(condition, type);
reply.setError(pe);
outQueue.put(reply);
}
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;
}
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);
}
/**
* Handles the IQ packet sent by an owner of the room. Possible actions are:
*
* <ul>
* <li>Return the list of owners
* <li>Return the list of admins
* <li>Change user's affiliation to owner
* <li>Change user's affiliation to admin
* <li>Change user's affiliation to member
* <li>Change user's affiliation to none
* <li>Destroy the room
* <li>Return the room configuration within a dataform
* <li>Update the room configuration based on the sent dataform
* </ul>
*
* @param packet the IQ packet sent by an owner of the room.
* @param role the role of the user that sent the packet.
* @throws ForbiddenException if the user does not have enough permissions (ie. is not an owner).
* @throws ConflictException If the room was going to lose all of its owners.
*/
@SuppressWarnings("unchecked")
public void handleIQ(IQ packet, MUCRole role)
throws ForbiddenException, ConflictException, CannotBeInvitedException {
// Only owners can send packets with the namespace "http://jabber.org/protocol/muc#owner"
if (MUCRole.Affiliation.owner != role.getAffiliation()) {
throw new ForbiddenException();
}
IQ reply = IQ.createResultIQ(packet);
Element element = packet.getChildElement();
// Analyze the action to perform based on the included element
Element formElement = element.element(QName.get("x", "jabber:x:data"));
if (formElement != null) {
handleDataFormElement(role, formElement);
} else {
Element destroyElement = element.element("destroy");
if (destroyElement != null) {
if (((MultiUserChatServiceImpl) room.getMUCService()).getMUCDelegate() != null) {
if (!((MultiUserChatServiceImpl) room.getMUCService())
.getMUCDelegate()
.destroyingRoom(room.getName(), role.getUserAddress())) {
// Delegate said no, reject destroy request.
throw new ForbiddenException();
}
}
JID alternateJID = null;
final String jid = destroyElement.attributeValue("jid");
if (jid != null) {
alternateJID = new JID(jid);
}
room.destroyRoom(alternateJID, destroyElement.elementTextTrim("reason"));
} else {
// If no element was included in the query element then answer the
// configuration form
if (!element.elementIterator().hasNext()) {
refreshConfigurationFormValues();
reply.setChildElement(probeResult.createCopy());
}
// An unknown and possibly incorrect element was included in the query
// element so answer a BAD_REQUEST error
else {
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);
}
}
/**
* Handles all roster queries. There are two major types of queries:
*
* <ul>
* <li>Roster remove - A forced removal of items from a roster. Roster removals are the only
* roster queries allowed to directly affect the roster from another user.
* <li>Roster management - A local user looking up or updating their roster.
* </ul>
*
* @param packet The update packet
* @return The reply or null if no reply
*/
public IQ handleIQ(IQ packet) throws UnauthorizedException, PacketException {
try {
IQ returnPacket = null;
org.xmpp.packet.Roster roster = (org.xmpp.packet.Roster) packet;
JID recipientJID = packet.getTo();
// The packet is bound for the server and must be roster management
if (recipientJID == null
|| recipientJID.getNode() == null
|| !UserManager.getInstance().isRegisteredUser(recipientJID.getNode())) {
returnPacket = manageRoster(roster);
}
// The packet must be a roster removal from a foreign domain user.
else {
removeRosterItem(roster);
}
return returnPacket;
} catch (SharedGroupException e) {
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.not_acceptable);
return result;
} catch (Exception e) {
if (e.getCause() instanceof IDNAException) {
Log.warn(LocaleUtils.getLocalizedString("admin.error"), e);
IQ result = IQ.createResultIQ(packet);
result.setChildElement(packet.getChildElement().createCopy());
result.setError(PacketError.Condition.jid_malformed);
return result;
} else {
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;
}
}
}
public void process(IQ packet) throws UnauthorizedException, PacketException {
// sanitize the input
if (packet == null) {
throw new IllegalArgumentException("Argument 'packet' cannot be null.");
}
final String xmlns;
final Element child = (packet).getChildElement();
if (child != null) {
xmlns = child.getNamespaceURI();
} else {
xmlns = null;
}
if (xmlns == null) {
// No namespace defined.
Log.debug("Cannot process this stanza, as it has no namespace:" + packet.toXML());
final IQ error = IQ.createResultIQ(packet);
error.setError(Condition.bad_request);
parent.sendPacket(error);
return;
}
// done sanitizing, start processing.
final Element remove = packet.getChildElement().element("remove");
if (remove != null) {
// User wants to unregister. =(
// this.convinceNotToLeave() ... kidding.
handleDeregister(packet);
} else {
// handle the request
switch (packet.getType()) {
case get:
// client requests registration form
getRegistrationForm(packet);
break;
case set:
// client is providing (filled out) registration form
setRegistrationForm(packet);
break;
default:
// ignore result and error stanzas.
break;
}
}
}
/**
* 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);
}
}
public void process(Packet packet) throws ComponentException {
logger.debug("Packet payload " + packet.toXML() + " going to federation.");
String to = packet.getTo().toString();
String uniqueId = generateUniqueId(packet);
idMap.put(uniqueId, packet.getID());
packet.setID(uniqueId);
sentRemotePackets.put(uniqueId, packet.getFrom());
try {
extractNodeDetails(packet);
// Do we have a map already?
if (discoveredServers.containsKey(to)) {
packet.setTo(new JID(discoveredServers.get(to)));
sendPacket(packet.createCopy());
return;
}
// Are we already discovering a remote server?
if (!remoteChannelDiscoveryStatus.containsKey(to)) {
discoverRemoteChannelServer(to, packet.getID());
} else if (remoteChannelDiscoveryStatus.get(to).equals(NO_CHANNEL_SERVER)) {
logger.error("No remote channel server for " + to);
IQ reply = IQ.createResultIQ((IQ) packet);
reply.setError(
new PacketError(
PacketError.Condition.remote_server_not_found, PacketError.Type.cancel));
component.sendPacket(reply);
return;
}
// Add packet to list
if (!waitingStanzas.containsKey(to)) {
waitingStanzas.put(to, new ArrayList<Packet>());
}
waitingStanzas.get(to).add(packet);
logger.debug(
"Adding packet to waiting stanza list for "
+ to
+ " (size "
+ waitingStanzas.get(to).size()
+ ")");
} catch (Exception e) {
logger.error(e);
}
}
@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;
}
private void createExtendedErrorReply(
Type type, Condition condition, String additionalElement, String additionalNamespace) {
if (null == response) {
response = IQ.createResultIQ(request);
}
response.setType(IQ.Type.error);
Element standardError =
new DOMElement(
condition.toXMPP(), new org.dom4j.Namespace("", JabberPubsub.NS_XMPP_STANZAS));
Element extraError =
new DOMElement(additionalElement, new org.dom4j.Namespace("", additionalNamespace));
Element error = new DOMElement("error");
error.addAttribute("type", type.toXMPP());
error.add(standardError);
error.add(extraError);
response.setChildElement(error);
}
/**
* Sends the current subscription status to the user that tried to create a subscription to the
* node. The subscription status is sent to the subsciber after the subscription was created or if
* the subscriber tries to subscribe many times and the node does not support multpiple
* subscriptions.
*
* @param originalRequest the IQ packet sent by the subscriber to create the subscription.
*/
void sendSubscriptionState(IQ originalRequest) {
IQ result = IQ.createResultIQ(originalRequest);
Element child = result.setChildElement("pubsub", "http://jabber.org/protocol/pubsub");
Element entity = child.addElement("subscription");
if (!node.isRootCollectionNode()) {
entity.addAttribute("node", node.getNodeID());
}
entity.addAttribute("jid", getJID().toString());
if (node.isMultipleSubscriptionsEnabled()) {
entity.addAttribute("subid", getID());
}
entity.addAttribute("subscription", getState().name());
Element subscribeOptions = entity.addElement("subscribe-options");
if (node.isSubscriptionConfigurationRequired() && isConfigurationPending()) {
subscribeOptions.addElement("required");
}
// Send the result
service.send(result);
}
@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);
}
}
}
}
@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;
}
@Override
public void process(IQ packet) {
Paging<GroupInfo> paging;
try {
/* 分页查询圈子数据 */
RSMPacketExtension rsm = QueryInfo.getRSM(packet);
paging = groupManager.search(QueryInfo.getQuery(packet), rsm.getIndex(0), rsm.getMax(10));
} catch (Exception e) {
handleException(e, "搜索圈子失败");
replyError(packet, PacketError.Condition.internal_server_error);
return;
}
/* 构建分页数据包 */
PagingPacket pagingPacket =
new PagingPacket(
SEARCH_NAMESPACE,
paging,
new GroupSummaryProcessDelegate(groupService.getServiceDomain()));
IQ reply = IQ.createResultIQ(packet);
reply.setChildElement(pagingPacket.getElement());
routePacket(reply);
}
/**
* 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);
}
/**
* @param iq
* @param userJid
* @param notificationSettings
* @return
*/
private IQ createResponse(IQ iq, String userJid, NotificationSettings notificationSettings) {
IQ result = IQ.createResultIQ(iq);
Element queryElement = result.getElement().addElement("query", getNamespace());
NotificationUtils.appendXML(queryElement, notificationSettings);
return result;
}
protected void setErrorCondition(Type type, Condition condition) {
if (null == response) response = IQ.createResultIQ(request);
response.setType(IQ.Type.error);
PacketError error = new PacketError(condition, type);
response.setError(error);
}
/**
* 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);
}
}
/*
* @see
* org.jivesoftware.openfire.handler.IQHandler#handleIQ(org.xmpp.packet.IQ)
*/
@Override
public IQ handleIQ(IQ packet) {
return IQ.createResultIQ(packet);
}
