/**
* Adds the new user to others roster.
*
* @param newUser the new user
* @param otherItem the other item
* @param currentUser the current user
* @throws ServiceException the service exception
*/
private static void addNewUserToOthersRoster(
User newUser, RosterItem otherItem, String currentUser) throws ServiceException {
otherItem.getJid();
UserManager userManager = UserManager.getInstance();
// Is this user registered with our OF server?
String username = otherItem.getJid().getNode();
if (username != null
&& username.length() > 0
&& userManager.isRegisteredUser(username)
&& XMPPServer.getInstance()
.isLocal(XMPPServer.getInstance().createJID(currentUser, null))) {
try {
User otherUser = userManager.getUser(username);
Roster otherRoster = otherUser.getRoster();
RosterItem oldUserOnOthersRoster =
otherRoster.getRosterItem(XMPPServer.getInstance().createJID(currentUser, null));
try {
if (!oldUserOnOthersRoster.isOnlyShared()) {
RosterItem justCreated =
otherRoster.createRosterItem(
XMPPServer.getInstance().createJID(newUser.getUsername(), null),
oldUserOnOthersRoster.getNickname(),
oldUserOnOthersRoster.getGroups(),
true,
true);
justCreated.setAskStatus(oldUserOnOthersRoster.getAskStatus());
justCreated.setRecvStatus(oldUserOnOthersRoster.getRecvStatus());
justCreated.setSubStatus(oldUserOnOthersRoster.getSubStatus());
otherRoster.updateRosterItem(justCreated);
}
} catch (UserAlreadyExistsException e) {
throw new ServiceException(
"Could not create roster item for user ",
newUser.getUsername(),
ExceptionType.USER_ALREADY_EXISTS_EXCEPTION,
Response.Status.CONFLICT,
e);
} catch (SharedGroupException e) {
throw new ServiceException(
"Could not create roster item, because it is a contact from a shared group",
newUser.getUsername(),
ExceptionType.USER_ALREADY_EXISTS_EXCEPTION,
Response.Status.BAD_REQUEST,
e);
}
} catch (UserNotFoundException e) {
throw new ServiceException(
"Could not create roster item for user "
+ newUser.getUsername()
+ " because it is a contact from a shared group.",
newUser.getUsername(),
ExceptionType.USER_NOT_FOUND_EXCEPTION,
Response.Status.NOT_FOUND,
e);
}
}
}
/**
* 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;
}
/**
* Copy roster.
*
* @param currentUser the current user
* @param newUser the new user
* @param currentUserName the current user name
* @throws ServiceException the service exception
*/
private static void copyRoster(User currentUser, User newUser, String currentUserName)
throws ServiceException {
Roster newRoster = newUser.getRoster();
Roster currentRoster = currentUser.getRoster();
for (RosterItem item : currentRoster.getRosterItems()) {
try {
List<String> groups = item.getGroups();
RosterItem justCreated =
newRoster.createRosterItem(item.getJid(), item.getNickname(), groups, true, true);
justCreated.setAskStatus(item.getAskStatus());
justCreated.setRecvStatus(item.getRecvStatus());
justCreated.setSubStatus(item.getSubStatus());
for (Group gr : item.getSharedGroups()) {
justCreated.addSharedGroup(gr);
}
for (Group gr : item.getInvisibleSharedGroups()) {
justCreated.addInvisibleSharedGroup(gr);
}
newRoster.updateRosterItem(justCreated);
addNewUserToOthersRoster(newUser, item, currentUserName);
} catch (UserAlreadyExistsException e) {
throw new ServiceException(
"Could not create roster item for user ",
newUser.getUsername(),
ExceptionType.USER_ALREADY_EXISTS_EXCEPTION,
Response.Status.CONFLICT,
e);
} catch (SharedGroupException e) {
throw new ServiceException(
"Could not create roster item, because it is a contact from a shared group",
newUser.getUsername(),
ExceptionType.USER_ALREADY_EXISTS_EXCEPTION,
Response.Status.BAD_REQUEST,
e);
} catch (UserNotFoundException e) {
throw new ServiceException(
"Could not update roster item for user "
+ newUser.getUsername()
+ " because it was not properly created.",
newUser.getUsername(),
ExceptionType.USER_NOT_FOUND_EXCEPTION,
Response.Status.NOT_FOUND,
e);
}
}
}
/**
* Manage the subscription request. This method updates a user's roster state, storing any changes
* made, and updating the roster owner if changes occured.
*
* @param target The roster target's jid (the item's jid to be changed)
* @param isSending True if the request is being sent by the owner
* @param type The subscription change type (subscribe, unsubscribe, etc.)
* @param roster The Roster that is updated.
* @return <tt>true</tt> if the subscription state has changed.
*/
private boolean manageSub(JID target, boolean isSending, Presence.Type type, Roster roster)
throws UserAlreadyExistsException, SharedGroupException {
RosterItem item = null;
RosterItem.AskType oldAsk;
RosterItem.SubType oldSub = null;
RosterItem.RecvType oldRecv;
boolean newItem = false;
try {
if (roster.isRosterItem(target)) {
item = roster.getRosterItem(target);
} else {
if (Presence.Type.unsubscribed == type
|| Presence.Type.unsubscribe == type
|| Presence.Type.subscribed == type) {
// Do not create a roster item when processing a confirmation of
// an unsubscription or receiving an unsubscription request or a
// subscription approval from an unknown user
return false;
}
item = roster.createRosterItem(target, false, true);
newItem = true;
}
// Get a snapshot of the item state
oldAsk = item.getAskStatus();
oldSub = item.getSubStatus();
oldRecv = item.getRecvStatus();
// Update the item state based in the received presence type
updateState(item, type, isSending);
// Update the roster IF the item state has changed
if (oldAsk != item.getAskStatus()
|| oldSub != item.getSubStatus()
|| oldRecv != item.getRecvStatus()) {
roster.updateRosterItem(item);
} else if (newItem) {
// Do not push items with a state of "None + Pending In"
if (item.getSubStatus() != RosterItem.SUB_NONE
|| item.getRecvStatus() != RosterItem.RECV_SUBSCRIBE) {
roster.broadcast(item, false);
}
}
} catch (UserNotFoundException e) {
// Should be there because we just checked that it's an item
Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
}
return oldSub != item.getSubStatus();
}