public Session getSession(JabberID jabberID) {
String jidString = jabberID.ToString();
Session session = null;
try {
session = jidIndex[jidString];
return session;
} catch (Exception ex) {
try {
List<Session> resources = userIndex[jabberID.User];
return resources[0];
} catch (Exception e) {
return null;
}
}
}
public void joinGroup(Group group, Packet packet) {
JabberID jid = new JabberID(packet.To);
String sender = packet.From;
group.jid2nick.Add(sender, jid.Resource);
group.nick2jid.Add(jid.Resource, sender);
updatePresence(group, packet);
foreach (KeyValuePair<String, Packet> pair in group.jid2presence) {
Packet p = pair.Value;
if (p.From != jid.ToString()) {
p.To = sender;
MessageHandler.deliverPacket(p);
}
}
serverMessage(group, jid.Resource + " has joined the group");
}
}//update roster
public void informSubscriber()
{
//needs to be checked!
if ((Server.JabberServer.RosterHashtable[this.user] as UserRoster) != null)
{
foreach (object obj in (Server.JabberServer.RosterHashtable[this.user] as UserRoster).subscribers.Keys)
{
Subscriber sub = (Server.JabberServer.RosterHashtable[this.user] as UserRoster).subscribers[obj] as Subscriber;
if (sub.subscription.Equals("from") || sub.subscription.Equals("both"))//inform sender of his subscribers status!
{
JabberID myid = new JabberID(obj.ToString());//other's subscribers id
if (myid.Domain.Equals(Server.JabberServer.server_name))//if from this server
{
//new code!
if (Server.JabberServer.getUserIndex().getUser(myid.User).getSessions().Values==null)
{
// if Server.JabberServer.getUserIndex().getUser(myid.User).getSessions()
//user is offline
Packet presencePacket = new Packet("presence");
presencePacket.From = myid.ToString();
presencePacket.To = new JabberID(this.user + "@" + Server.JabberServer.server_name).ToString();
presencePacket.setAttribute("type", "unavailable");
MessageHandler.deliverPacket(presencePacket);
}// if (Server.JabberServer.getUserIndex().getUser(myid.User).getSessions().Values!=null)
else
{
foreach (Object obj2 in (Server.JabberServer.getUserIndex().getUser(myid.User).getSessions().Values))
{//for each active session
Session sess = obj2 as Session;
Packet presencePacket = new Packet("presence");
presencePacket.From = myid.ToString();
presencePacket.To = new JabberID(this.user + "@" + Server.JabberServer.server_name).ToString();
if (sess.getPresence().isAvailible())
{
presencePacket.setAttribute("type", "available");
if(sess.getPresence().getShow()!=null)
presencePacket.Children.Add(new Packet("show",sess.getPresence().getShow()));
if(sess.getPresence().getStatus()!=null)
presencePacket.Children.Add(new Packet("status",sess.getPresence().getStatus()));
if (sess.getPresence().getPriority() != null)
presencePacket.Children.Add(new Packet("priority", sess.getPresence().getPriority()));
//other info may be added!
}
else
presencePacket.setAttribute("type", "unavailable");
MessageHandler.deliverPacket(presencePacket);
}//for each active session
}
}// if(myid.Domain.Equals(Server.JabberServer.server_name))
else
{
//generate probe for S2S communication!@TODO
}
}//if (sub.subscription.Equals("from") || sub.subscription.Equals("both"))
}//foreach (object obj in (Server.JabberServer.RosterHashtable[this.user] as UserRoster).subscribers.Keys)
}//if ((Server.JabberServer.RosterHashtable[this.user] as UserRoster) != null)
}
}//getPacket
public void updateRoster(Packet packet)
{
//Extract the query packet
Packet rosterQuery = packet.getFirstChild("query");
rosterQuery.setAttribute("xmlns", "jabber:iq:roster");
foreach (object rosterItems in rosterQuery.getChildren())
{
//for each <item> packet in the query
Object child = rosterItems;
if (child is Packet)
{
Packet itemPacket = child as Packet;
String subJID = itemPacket.getAttribute("jid");
//create Subscriber object if needed
//Subscriber sendersSubscriberItem = this.subscribers[subJID] as Subscriber;
if ((Server.JabberServer.RosterHashtable[this.user] as UserRoster) == null)
{
Server.JabberServer.RosterHashtable[this.user] = new UserRoster();
}
Subscriber sub = (Server.JabberServer.RosterHashtable[this.user] as UserRoster).subscribers[subJID] as Subscriber;
if (sub == null)
{
sub = new Subscriber();
sub.subscription = "none";
sub.ask = null;
(Server.JabberServer.RosterHashtable[this.user] as UserRoster).subscribers.Add(subJID, sub);
}
if (itemPacket.getAttribute("subscription") != null)
{
//signal to remove
if (itemPacket.getAttribute("subscription").Equals("remove"))
{
//remove from subscribers item
JabberID otherID = new JabberID(subJID);
(Server.JabberServer.RosterHashtable[this.user] as UserRoster).subscribers.Remove(otherID.ToString());
if ((Server.JabberServer.RosterHashtable[this.user] as UserRoster).items.ContainsKey(subJID))
{
//remove <item> packet
(Server.JabberServer.RosterHashtable[this.user] as UserRoster).items.Remove(subJID);
}
if ((Server.JabberServer.RosterHashtable[otherID.User] as UserRoster) == null)
{
Server.JabberServer.RosterHashtable[otherID.User] = new UserRoster();
}
//set only subscription=none from other item
sub = ((Server.JabberServer.RosterHashtable[otherID.User] as UserRoster).subscribers[this.user + "@" + Server.JabberServer.server_name]) as Subscriber;
if (sub == null)
{
sub = new Subscriber();
}
sub.subscription = "none";
sub.ask = null;
(Server.JabberServer.RosterHashtable[otherID.User] as UserRoster).subscribers[this.user + "@" + Server.JabberServer.server_name] = sub;
//(Server.JabberServer.RosterHashtable[subJID] as UserRoster).subscribers.Add(subJID, sendersSubscriberItem);
//}
if ((Server.JabberServer.RosterHashtable[otherID.User] as UserRoster).items.ContainsKey(this.user + "@" + Server.JabberServer.server_name))
{
//update <item> packet
//itemPacket.removeAttribute("subscription");
Packet mypacket = (Server.JabberServer.RosterHashtable[otherID.User] as UserRoster).items[this.user + "@" + Server.JabberServer.server_name] as Packet;
mypacket.setAttribute("subscription", "none");
mypacket.setAttribute("ask", null);
(Server.JabberServer.RosterHashtable[otherID.User] as UserRoster).items[this.user + "@" + Server.JabberServer.server_name] = mypacket;
}
}
}
else
{
//update <item> with the subscriber info for roster push
itemPacket.setAttribute("subscription", sub.subscription);
itemPacket.setAttribute("ask", sub.ask);
//Packet test = items[subJID];
if (!(Server.JabberServer.RosterHashtable[this.user] as UserRoster).items.ContainsKey(subJID))
{
//store updated <item> packet
(Server.JabberServer.RosterHashtable[this.user] as UserRoster).items.Add(subJID, itemPacket);
}
else
{
(Server.JabberServer.RosterHashtable[this.user] as UserRoster).items[subJID] = itemPacket;
}
}
}
}
//Roster push
packet.Type = "set";
JabberID jidTo = packet.getSession().getJID();
packet.To = jidTo.User + "@" + jidTo.Domain;
packet.removeAttribute("from");
//needs to be verified
MessageHandler.deliverPacket(packet);
}//update roster