public void notify(Packet packet)
{
packet.To = null;
packet.From = null;
if (packet.getSession().getStatus() != Session.SessionStatus.authenticated)
{
//can not send message:user is not authenticated
//Error Monitoring must be implemented
MessageHandler.deliverPacket(packet);
return;
}
User user = userIndex.getUser(packet.getSession());
if (packet.Type.Equals("set"))
{
user.getRoster().updateRoster(packet);
return;
}
if (packet.Type.Equals("get"))
{
packet.Type = "result";
JabberID jidTo =packet.getSession().getJID();
packet.To = jidTo.User + "@" + jidTo.Domain;
// packet.From = null;
packet.removeAttribute("from");
packet.getChildren().Clear();
user.getRoster().getPacket().setParent(packet);
MessageHandler.deliverPacket(packet);
return;
}
//error in packet
MessageHandler.deliverPacket(packet);
}
public void notify(Packet packet) {
/* od Ch 7
if (packet.Session.Status != Session.SessionStatus.authenticated) {
JabberServer.output.WriteLine("Dropping packet (no auth): " + packet.ToString());
return;
} */
String recipient = packet.To;
if (recipient == null) { // to server
JabberServer.output.WriteLine("Dropping packet: " + packet.ToString());
return;
}
if (recipient.Equals(JabberServer.server_name, StringComparison.OrdinalIgnoreCase )) { // to server
JabberServer.output.WriteLine("Dropping packet: " + packet.ToString());
return;
}
// Fill in sender as resource that sent message (anti-spoofing)
packet.setFrom(packet.getSession().getJID().ToString());
if (packet.getAttribute("type")!=null && packet.getAttribute("type").Equals("groupchat",StringComparison.OrdinalIgnoreCase)) {
if (chatMan.isChatPacket(packet)) {
chatMan.handleChatMessage(packet);
} else {
JabberServer.output.WriteLine("Dropping packet: " + packet.ToString());
}
return;
}
JabberServer.output.WriteLine("Delivering packet To: " + packet.To);
deliverPacket(packet);
}
public Session getSession()
{
if (session != null)
{
return(session);
}
if (parent != null)
{
return(parent.getSession());
}
return(null);
}
// TODO : deliverPacketToAll()
public static void deliverPacket(Packet packet) {
try {
String recipient = packet.To;
StreamWriter output;
if (recipient == null){
output = packet.getSession().getWriter();
if (output == null){
JabberServer.output.WriteLine("Undeliverable packet " + packet.ToString());
return;
}
} else {
if (userIndex.containsUser(recipient))
{
output = userIndex.getWriter(recipient);
}
else
{
return;
}
// JabberServer.output.WriteLine("String"+userIndex.getUser(recipient).ToString());
}
if (output != null){
JabberServer.output.WriteLine("Delivering packet: " + packet.ToString());
output.Write(packet.ToString()); // smeneto od DarkoA
output.Flush(); // smeneto od DarkoA
} else {
//begin change by marko
if (!packet.Element.Equals("presence") || (packet["type"] != null && (packet["type"].Equals("subscribe") || packet["type"].Equals("subscribed") || packet["type"].Equals("unsubscribe") || packet["type"].Equals("unsubscribed"))))
{ //update presence packets (available & unavailable) don't need to be stored for offline use
JabberServer.output.WriteLine("Store & forward: " + packet.ToString());
User user = userIndex.getUser(new JabberID(recipient).getUser());
user.storeMessage(packet);
}
//end change by marko
}
} catch (Exception ex){
JabberServer.output.WriteLine(ex.StackTrace);
JabberServer.output.WriteLine("MessageHandler: ", ex);
}
}
public void notify(Packet packet) {
if (packet.Session.Status != Session.SessionStatus.authenticated) {
//Log.info("PresenceHandler: Not authenticated" + packet.ToString());
//send an error message Not Authenticated!;
packet.To = null;
packet.From = null;
//ErrorTool.setError(packet, 401, "You must be authenticated to send presence");
MessageHandler.deliverPacket(packet);
} else if (chatMan.isChatPacket(packet)) {
//Log.trace("PresenceHandler: groupchat presence");
chatMan.handleChatPresence(packet);
} else {
//Log.trace("PresenceHandler: delivering presence packet " + packet.ToString());
// Od Marko
User user = userIndex.getUser(packet.getSession().getJID().getUser());
user.getRoster().updatePresence(packet);
}
}
}//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
public void notify(Packet packet) {
JabberServer.output.WriteLine("Register handling" + packet.ToString());
String type = packet.getType();
Packet query = packet.getFirstChild("query");
if (type.Equals("get")) {
required.setSession(packet.getSession());
required.setID(packet.getID());
MessageHandler.deliverPacket(required);
return;
} else if (type.Equals("set")) {
String username = query.getChildValue("username");
User user = userIndex.getUser(username);
if (user != null) {
if (packet.getSession().getStatus() != Session.SessionStatus.authenticated || !username.Equals(packet.getSession().getJID().getUser())) {
Packet iq = new Packet("iq");
iq.setSession(packet.getSession());
iq.setID(packet.getID());
iq.Type = "error";
ErrorTool.setError(iq, 401, "User account already exists");
MessageHandler.deliverPacket(iq);
return;
}
} else {
user = userIndex.addUser(username);
}
user.setPassword(query.getChildValue("password"));
user.setHash(query.getChildValue("hash"));
user.setSequence(query.getChildValue("sequence"));
user.setToken(query.getChildValue("token"));
if (user.getHash() == null || user.getSequence() == null || user.getToken() == null) {
if (user.getPassword() != null) {
user.setToken("randomtoken");// ovde smeni
user.setSequence("99");
user.setHash(auth.getZeroKHash(100, Encoding.UTF8.GetBytes(user.getToken()), Encoding.UTF8.GetBytes(user.getPassword())
/* ovde da se proveri isprakjanjeto !!! */
));
}
} else {
// Adjust sequence number to be ready for next request.
// Book readers. In the book this was listed earlier resulting in a thrown
// exception if 0k registration was not used. This fixes it. :)
int i = (int.Parse(user.getSequence()) - 1);
user.setSequence(i.ToString());
}
Packet iqpacket = new Packet("iq");
iqpacket.setSession(packet.getSession());
iqpacket.setID(packet.getID());
iqpacket.setType("result");
MessageHandler.deliverPacket(iqpacket);
// Temporarily needed as we'll use registration as authentication until Chp7.
// packet.getSession().getJID().setResource("none");
// userIndex.addSession(packet.getSession());
//Log.trace("Register successfully registered " + username + " with password " + query.getChildValue("password"));
JabberServer.output.WriteLine("Register successfully registered " + username + " with password " + query.getChildValue("password"));
} else {
JabberServer.output.WriteLine("Register ignoring " + packet.ToString());
}
}