// 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)
{
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)
{
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);
}
}
/// <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 process(Session session)
{
//Assembly assem = Assembly.LoadFrom(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + @"\SaxExpat.dll");
//IXmlReader reader = SaxReaderFactory.CreateReader(assem, null);
//reader.ContentHandler = this;
this.session = session;
//reader.Parse(new ReaderInputSource(session.getReader()));
XmlReader reader = XmlReader.Create(session.Reader);
JabberServer.output.WriteLine("JIH:server version");
reader.MoveToContent();
try {
do
{
switch (reader.Depth)
{
case 0:
switch (reader.NodeType)
{
case XmlNodeType.Element:
if (reader.Name == "stream:stream")
{
Dictionary <String, String> atts = getAttributes(reader);
Packet openPacket = new Packet(null, reader.Name, reader.NamespaceURI, atts);
openPacket.Session = (session);
String from = atts["from"];
session.JID = (new JabberID(from));
packetQ.enqueue(openPacket);
}
else
{
throw new XmlException("Root node must be <stream:stream>");
}
break;
case XmlNodeType.EndElement:
Packet closePacket = new Packet("/stream:stream");
closePacket.Session = (session);
packetQ.enqueue(closePacket);
break;
}
break;
case 1:
switch (reader.NodeType)
{
case XmlNodeType.Element:
Dictionary <String, String> atts = getAttributes(reader);
packet = new Packet(null, reader.Name, reader.NamespaceURI, atts);
packet.Session = (session);
if (reader.IsEmptyElement)
{
goto case XmlNodeType.EndElement;
}
break;
case XmlNodeType.EndElement:
packetQ.enqueue(packet);
break;
}
break;
default:
switch (reader.NodeType)
{
case XmlNodeType.Element:
Dictionary <String, String> atts = getAttributes(reader);
Packet child = new Packet(packet, reader.Name, reader.NamespaceURI, atts);
packet = child;
if (reader.IsEmptyElement)
{
goto case XmlNodeType.EndElement;
}
break;
case XmlNodeType.EndElement:
packet = packet.Parent;
break;
case XmlNodeType.Text:
packet.Children.Add(reader.Value);
break;
}
break;
}
} while (reader.Read());
} catch (Exception ex) {
//JabberServer.output.WriteLine(ex.ToString());
// Bilokakov problem so xml stream-ot
// io-exception, invalid xml, zatvoren socket i sl.
// treba da se napravi clean-up : zatvori stream </stream:stream>, zatvori socket, trgni Session object i sl.
// Ne sekogas znaci greska : posle </stream:stream> se zatvara socket-ot i ne treba da se pravi nisto
UserIndex userIndex = JabberServer.getUserIndex();
if (!userIndex.containsSession(session))
{
return;
}
//clean-up code (copied from CloseStreamHandler)
try
{
// Log.trace("Closing session");
//Session session = packet.Session;
//session.Writer.Write("</stream:stream> ");
//session.Writer.Flush();
//notify other subscribers that user is unavailble
//by Marko
//begin
JabberID userid = session.getJID();
Packet unavailiblePacket = new Packet("presence");
unavailiblePacket.setFrom(userid.ToString());
unavailiblePacket.setAttribute("type", "unavailable");
userIndex.getUser(userid.User).getRoster().updateSubscribers(unavailiblePacket);
//it is not tested, but it should work
//end
//send groupchat presence unavailable & remove from groups
String jid = userid.ToString();
Packet presence = new Packet("presence");
presence.Type = "unavailable";
foreach (KeyValuePair <String, GroupChatManager.Group> kvp in GroupChatManager.Manager.groups)
{
GroupChatManager.Group group = kvp.Value;
try {
String nick = group.jid2nick[jid]; // test whether the user is in the group
presence.From = group.JabberID + "/" + nick;
GroupChatManager.Manager.removeUser(group, jid); // first remove then deliver so that the packet does not come back
GroupChatManager.Manager.deliverToGroup(group, presence);
} catch (Exception e) {
}
}
// end groupchar clean-up
//session.Socket.Close();
userIndex.removeSession(session);
// Log.trace("Closed session");
}
catch (Exception e)
{
// Log.error("CloseStreamHandler: ",ex);
userIndex.removeSession(packet.Session);
// Log.trace("Exception closed session");
}
}
}
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());
}
}
public void notify(Packet packet)
{
try
{
// Log.trace("Closing session");
Session session = packet.Session;
session.Writer.Write("</stream:stream> ");
session.Writer.Flush();
//notify other subscribers that user is unavailble
//by Marko
//begin
JabberID userid = session.getJID();
Packet unavailiblePacket = new Packet("presence");
unavailiblePacket.setFrom(userid.ToString());
unavailiblePacket.setAttribute("type", "unavailable");
userIndex.getUser(userid.User).getRoster().updateSubscribers(unavailiblePacket);
//it is not tested, but it should work
//end
//send groupchat presence unavailable & remove from groups
String jid = userid.ToString();
Packet presence = new Packet("presence");
presence.Type = "unavailable";
foreach (KeyValuePair <String, GroupChatManager.Group> kvp in GroupChatManager.Manager.groups)
{
GroupChatManager.Group group = kvp.Value;
try
{
String nick = group.jid2nick[jid]; // test whether the user is in the group
presence.From = group.JabberID + "/" + nick;
GroupChatManager.Manager.removeUser(group, jid); // first remove then deliver so that the packet does not come back
GroupChatManager.Manager.deliverToGroup(group, presence);
}
catch (Exception ex)
{
}
}
// end groupchar clean-up
//session.Socket.Close();
userIndex.removeSession(session);
// Log.trace("Closed session");
}
catch (Exception ex)
{
JabberServer.output.WriteLine(ex.ToString());
// Log.error("CloseStreamHandler: ",ex);
// packet.Session.Socket.Close();
// userIndex.removeSession(packet.Session);
// Log.trace("Exception closed session");
}
finally
{
packet.Session.Socket.Close();
}
}
