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 void notify(Packet packet) {
Console.WriteLine("in message handler");
String type = packet.Type == null ? "normal" : packet.Type;
Console.WriteLine("Received " + type + " message: " + packet.getChildValue("body"));
Console.WriteLine(" To: " + packet.To);
Console.WriteLine(" From: " + packet.From);
JabberID jid = new JabberID(packet.From);
if (jid.User != null && jid.User.EndsWith(".group")) { // groupchat message
//void ReceiveGroupMessage(String groupJID, String userNick, String message)
String user = jid.User;
String groupJID = user.Substring(0, user.LastIndexOf(".group"));
String userNick = jid.Resource;
//ReceiveGroupMessage(groupJID, userNick, packet.getChildValue("body");
RecieveGroupMessageDelegate rgmd = new RecieveGroupMessageDelegate(model.gui.ReceiveGroupMessage);
model.gui.Invoke(rgmd, new Object[] { groupJID, userNick, packet.getChildValue("body") });
} else { // regular message
RecieveMessageDelegate del = new RecieveMessageDelegate(model.gui.ReceiveMessage);
model.gui.Invoke(del, new Object[] { jid, packet.getChildValue("body") });
//model.gui.ReceiveMessage(jid, packet.getChildValue("body"));
}
}
public void notify(Packet packet) {
Packet query = packet.getFirstChild("query");
foreach (Packet item in query.Children) {
String jid = item["jid"];
String name = item["name"];
String subscribtion = item["subscription"];
String ask = item["ask"]; // TODO: Revise (can be null sometimes and brakes the execution)
String group = item.getChildValue("group");
Status status = Status.unavailable;
if(subscribtion.Equals("none") && ask != null && ask.Equals("subscribe")) {
status = Status.inviteSent;
} else if (subscribtion.Equals("to")) {
status = Status.inviteAccepted;
} else if (subscribtion.Equals("both")) {
status = Status.unavailable;
model.sendPresence(model.Me.Status, model.Me.StatusMessage);
} else if (subscribtion.Equals("none")) {//unsubscribed
RemoveContactDelegate rcd = new RemoveContactDelegate(model.gui.RemoveContact);
model.gui.Invoke(rcd, new Object[] { jid });
//remove from client
//send roster-remove
//model.sendRosterRemove(jid); DO NOT !!!!!!!!!!! UNCOMMENT THIS LINE IN ANY CASE
return;
} else {
return;
}
UpdateContactDelegate del = new UpdateContactDelegate(model.gui.UpdateContact);
model.gui.Invoke(del, new Object[] { jid, name, group, status });
}
}
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) {
JabberServer.output.WriteLine("Opening stream connection");
try {
Session session = packet.Session;
session.setStreamID(Authenticator.randomToken());
// Ова е Јава код кој не успеав да го Ц Шарпувам
// session.setStreamID(Integer.toHexString(streamID++));
// Милош има направено сопствена класа за претворање на стринг во хекса, уште од број до стринг да стигнев
// byte[] rez = ??(streamID++);
// session.StreamID = Authenticator.GetAsHexaDecimal(rez);
StreamWriter output = session.Writer;
output.Write("<?xml version='1.0' encoding='UTF-8' ?><stream:stream xmlns='jabber:client' from='");
output.Write(JabberServer.server_name);
output.Write("' id='");
output.Write(session.StreamID);
output.Write("' xmlns:stream='http://etherx.jabber.org/streams'>");
output.Flush();
if (packet.To.Equals(JabberServer.server_name)) {
session.Status = Session.SessionStatus.streaming;
}
} catch (Exception ex) {
// ex.printStackTrace();
}
}
public void enqueue(Packet packet) {
lock (sync) {
queue.Enqueue(packet);
Monitor.PulseAll(sync); // Java notifyAll
}
// Console.WriteLine(packet.ToString());
}
public RegisterHandler(UserIndex index) {
userIndex = index;
required = new Packet("iq");
required.From = JabberServer.server_name;
required.Type = "result";
new Packet("username").Parent = required;
new Packet("password").Parent = required;
new Packet("hash").Parent = required;
}
public Packet(Packet parent, String element, String nmspace, Dictionary<String, String> atts) {
Element = (element);
Namespace = (nmspace);
Parent = (parent);
if (atts != null) {
attributes = atts;
} else {
clearAttributes();
}
}
static public void setError(Packet packet, int code, String message)
{
packet.Type = "error";
if (message == null)
{
message = getCode(code);
}
Packet e = new Packet("error",message);
e["code"] = Convert.ToString(code);
e.Parent = packet;
}
/// <summary>
/// Главниот дел - хендлерот за пакети
/// </summary>
/// <param name="packet"></param>
public void notify(Packet packet)
{
String type = packet.Type;
Packet query = packet.getFirstChild("query");
username = query.getChildValue("username");
iq.setID(packet.getID());
iq.Session = packet.Session;
iq.getChildren().Clear();
iq.Type = "result";
reply = new Packet("query");
reply.setAttribute("xmlns", "jabber:iq:auth");
reply.Parent = iq;
user = userIndex.getUser(username);
if (user == null)
{
sendErrorPacket(404, "User not found");
return;
}
if (userIndex.sessionIndex.ContainsValue(user) == true)
{
sendErrorPacket(404, "User already Logged In");
return;
}
if (type.Equals("get"))
{
sendGetPacket();
return;
}
else if (type.Equals("set"))
{
session = packet.Session;
if (session.Status != Session.SessionStatus.streaming) {
sendErrorPacket(400, "Server name does not match");
return;
}
resource = query.getChildValue("resource");
if (resource == null)
{
sendErrorPacket(404, "You must send resource");
return;
}
handleSetPacket(query);
return;
}
}
public void notify(Packet packet) {
try {
if (packet.ID.StartsWith("auth_get")) {
Packet query = packet.getFirstChild("query");
String token = query.getChildValue("token");
int sequence = Convert.ToInt32(query.getChildValue("sequence"));
String hash = auth.getZeroKHash(sequence, Encoding.UTF8.GetBytes(token), Encoding.UTF8.GetBytes(jabberModel.Password));
jabberModel.addResultHandler("0k_auth_" + Convert.ToString(counter), this);
StreamWriter output = packet.Session.Writer;
output.Write("<iq type='set' id='0k_auth_");
output.Write(Convert.ToString(counter++));
output.Write("'><query xmlns='jabber:iq:auth'><username>");
output.Write(jabberModel.User);
output.Write("</username><resource>");
output.Write(jabberModel.Resource);
output.Write("</resource><hash>");
output.Write(hash);
output.Write("</hash></query></iq>");
output.Flush();
} else if (packet.Type.Equals("result")) {
Console.WriteLine("Auth Handler passed");
packet.Session.Status = Session.SessionStatus.authenticated;
AuthenticateDelegate ad = new AuthenticateDelegate(jabberModel.gui.Authenticated);
jabberModel.gui.Invoke(ad);
} else if (packet.Type.Equals("error")) {
Console.WriteLine("Failed to authenticate: " + packet.getChildValue("error"));
AuthenticationFailedDelegate afd = new AuthenticationFailedDelegate(jabberModel.gui.AuthenticationFailed);
jabberModel.gui.Invoke(afd);
}
else
{
Console.WriteLine("Unknown result: " + packet.ToString());
}
}
catch (IOException ex)
{
Console.WriteLine(ex.StackTrace);
}
}
public void notify(Packet packet) {
if(jabberModel == null) {
Console.WriteLine("IQHandler Error - jabberModel==null");
/// TODO Не постои ваков метод!?
/// jabberModel = JabberModel.getModel();
}
if(packet.ID != null) {
PacketListener listener = jabberModel.removeResultHandler(packet.ID);
if(listener != null) {
listener.notify(packet);
return;
}
}
}
// 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 bool isChatPacket(Packet packet) {
JabberID recipient;
if (packet.To == null) {
return false;
}
recipient = new JabberID(packet.To);
//try {
// recipient = new JabberID(packet.To);
//} catch (Exception ex) {
// return false;
//}
String user = recipient.User;
if (user == null) {
return false;
}
return user.EndsWith(".group") && recipient.equalsDomain(JabberServer.server_name);
}
public void notify(Packet packet) {
String recipient = packet.To;
if (recipient.Equals(JabberServer.server_name, StringComparison.OrdinalIgnoreCase)) {
return;
}
Session session = sessionIndex[recipient];
if (session != null) {
session.Writer.Write(packet);
session.Writer.Flush();
} else {
return;
}
}
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);
}
}
public void notify(Packet packet) {
try {
if(packet.Type.Equals("result")) {
voidDel vd = new voidDel(jaberModel.gui.Registered);
jaberModel.gui.Invoke(vd);
} else {
String message = null;
if(packet.Type.Equals("error")) {
Packet err = packet.getFirstChild("error");
message = err["code"] + " : " + err.getValue();
RegisterFailedDelegate rfd = new RegisterFailedDelegate(jaberModel.gui.RegistrationFailed);
jaberModel.gui.Invoke(rfd, new Object[] {message});
}
Console.WriteLine(message);
}
} catch(Exception ex) {
Console.WriteLine(ex.ToString());
}
}
public void handleChatPresence(Packet packet) {
JabberID recipient = new JabberID(packet.To);
if (!isChatPacket(packet)) {
return;
}
Group group = this[recipient.User];
String nick = recipient.Resource;
String jid = packet.From;
if (String.IsNullOrEmpty(nick)) {
sendEmptyNicknameError(packet);
return;
}
if (group.nick2jid.ContainsKey(nick)) {
if (group.nick2jid[nick] == packet.From) {
updatePresence(group, packet);
} else {
sendConflictingNicknameError(packet);
}
} else {
if(group.jid2nick.ContainsKey(jid)) {
sendConflictingUserError(packet);
} else {
joinGroup(group, packet);
}
}
}
public void deliverToGroup(Group group, Packet packet) {
foreach (KeyValuePair<String, String> kvp in group.jid2nick) {
String rec = kvp.Key;
packet.To = rec;
MessageHandler.deliverPacket(packet);
}
}
public void serverMessage(Group group, String msg) {
Packet packet = new Packet("message");
packet.From = group.JabberID;
packet.Type = "groupchat";
Packet body = new Packet("body", msg);
body.Parent = packet;
deliverToGroup(group, packet);
}
public void handleChatMessage(Packet packet) {
JabberID recipient = new JabberID(packet.To);
Group group = this[recipient.User];
packet.From = group.JabberID + "/" + group.jid2nick[packet.From];
if (recipient.Resource == null) {
deliverToGroup(group, packet);
} else {
packet.To = group.nick2jid[recipient.Resource];
MessageHandler.deliverPacket(packet);
}
}
public void sendEmptyNicknameError(Packet packet) {
try {
Packet presence = new Packet("presence");
presence.From = packet.To;
presence.To = packet.From;
Packet ePacket = new Packet("error");
ePacket["code"] = 405.ToString();
ePacket.Children.Add("Not allowed : nickname must not be empty");
ePacket.Parent = presence;
packet.Session.Writer.Write(presence.ToString());
packet.Session.Writer.Flush();
} catch (Exception ex) {
}
}
public void sendConflictingUserError(Packet packet) {
try {
Packet presence = new Packet("presence");
presence.From = packet.To;
presence.To = packet.From;
Packet ePacket = new Packet("error");
ePacket["code"] = 409.ToString();
ePacket.Children.Add("Conflict: cannot sign in twice in the same group");
ePacket.Parent = presence;
packet.Session.Writer.Write(presence.ToString());
packet.Session.Writer.Flush();
} catch(Exception ex) {
}
}
public void sendConflictingNicknameError(Packet packet) {
try {
Packet presence = new Packet("presence");
presence.From = packet.To;
presence.To = packet.From;
Packet ePacket = new Packet("error");
ePacket["code"] = 409.ToString();
ePacket.Children.Add("Conflict: nickname taken");
ePacket.Parent = presence;
packet.Session.Writer.Write(presence.ToString());
packet.Session.Writer.Flush();
} catch (Exception ex) {
}
}
public void updatePresence(Group group, Packet packet) {
String sender = packet.From;
packet.From = group.JabberID + "/" + group.jid2nick[sender];
deliverToGroup(group, packet);
group.jid2presence[sender] = packet;
if (packet.Type == null) {
return;
}
//try {
// String t = packet.Type;
//} catch (Exception ex) {
// return;
//}
if (packet.Type == "unavailable") {
removeUser(group, sender);
}
}
}//UpdatePresense
public void updateSubscribers(Packet packet)
{//checked, works!
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("to") || sub.subscription.Equals("both"))//inform only subscribers!
{
packet.To = obj as String;
MessageHandler.deliverPacket(packet);
}
}
}
}//Update subscribers
}//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
}//Update subscribers
public Packet getPacket()
{
Packet packet = new Packet("query");
packet.setAttribute("xmlns", "jabber:iq:roster");
//works, checked!:
if ((Server.JabberServer.RosterHashtable[this.user] as UserRoster) != null)
{
foreach (object obj in (Server.JabberServer.RosterHashtable[this.user] as UserRoster).items.Values)
{
((Packet)obj).Parent = packet;
}
return packet;
}
else return packet;
}//getPacket
}//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)
}
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");
}