Example #1
0
        public void setNewRoster(string username) {
            roster=new Roster(username);
            UserRoster myroster = new UserRoster();
            myroster.user = this.username;
        
            //when adding a user, create a corresponding item
            Server.JabberServer.RosterHashtable.Add(this.username, myroster);

        }
Example #2
0
        public void setNewRoster(string username)
        {
            roster = new Roster(username);
            UserRoster myroster = new UserRoster();

            myroster.user = this.username;

            //when adding a user, create a corresponding item
            Server.JabberServer.RosterHashtable.Add(this.username, myroster);
        }
Example #3
0
        private void restoreFromFile()
        {
            DataSet ds = new DataSet();

            try {
                ds.ReadXml(users_file_name);
            } catch (FileNotFoundException ex) {
                JabberServer.output.WriteLine("Could not load User database!" + ex.Message);
                return;
            }

            foreach (DataRow user in ds.Tables["User"].Rows)
            {
                User u = getUserIndex().addUser(user["username"] as String);
                u.setPassword(user["password"] as String);
                u.setHash(user["hash"] as String);
                u.setSequence(user["sequence"] as String);
                u.setToken(user["token"] as String);

                foreach (DataRow item in user.GetChildRows("Roster"))
                {
                    UserRoster ur              = (UserRoster)RosterHashtable[item["username"]];
                    Hashtable  itemsHash       = ur.items;
                    Hashtable  subscribersHash = ur.subscribers;

                    Packet itemPacket = new Packet("item");
                    itemPacket["jid"]          = item["jid"] as String;
                    itemPacket["name"]         = item["name"] as String;
                    itemPacket["subscription"] = "both";
                    String group = item["group"] as String;
                    if (group != null)
                    {
                        new Packet("group", group).Parent = itemPacket;
                    }
                    itemsHash[item["jid"]] = itemPacket;

                    Subscriber s = new Subscriber();
                    s.subscription = "both";
                    subscribersHash[item["jid"]] = s;
                }
            }
        }
Example #4
0
        public void updatePresence(Packet presence)
        {
            String type = presence.Type;
            Session session = presence.Session;
            Presence sessionPresence = session.getPresence();
            String recipient = presence.To;
            JabberID recipientID;
            Boolean isUserSent;//it is not used yet, may be used in S2S comunication

            //packet filling begins
            if (recipient == null)
            {   //directed to server
                //server name
                recipientID = new JabberID(Server.JabberServer.server_name);
                isUserSent = true;
            }
            else
            {
                recipientID = new JabberID(recipient);
                if (user.Equals(recipientID.User))
                {
                    isUserSent = false;
                }
                else
                {
                    isUserSent = true;
                }
            }
            String sender = presence.From;
            JabberID SenderID;
            if (sender == null)
            {
                SenderID = session.JID;
            }
            else
            {
                SenderID = new JabberID(sender);
            }
            //added by marko
            presence.From = SenderID.User + "@" + SenderID.Domain;

            //original line:
            //String subscriber = isUserSent ? recipientID.ToString() : SenderID.ToString();
            String subscriber = recipientID.ToString();

            if (type == null)
            {
                type = "available";
            }
            //packet filling ends


            //packet routing begins
            if (type.Equals("available") || type.Equals("unavailable"))
            {
                //user-managed presence updates are delivered untouched
                if (!recipientID.ToString().Equals(Server.JabberServer.server_name))
                {
                    //may need some work;
                    MessageHandler.deliverPacket(presence);
                    return;
                }


                //Server-managed presence updates are forwarded only to subscribers

                //update the session's presence status

                sessionPresence.Availible = type.Equals("available");
                sessionPresence.Show = presence.getChildValue("show");
                sessionPresence.Status = presence.getChildValue("status");
                String priority = presence.getChildValue("priority");
                sessionPresence.Priority = priority;
                if (priority != null)
                {
                    //some code to set the priority of the session

                    try
                    {
                        session.setPriority(int.Parse(priority));
                    }
                    catch (Exception ex)
                    {
                        JabberServer.output.WriteLine("Error in incoming priority, setting priority to default: 1");
                        session.setPriority(0);
                    }
                }

                //deliver to all users presence subscribers
                updateSubscribers(presence);
                informSubscriber();
                return;
            }

            if (type.Equals("probe"))
            {

                //needed for server to server communication!!!!
                JabberServer.output.WriteLine("Roster: We don't handle probes yet " + presence.ToString());
                return;


            }



            //Marko believes it is checked for exceptions
            //Subscriber sendersSubscriberItem = (Subscriber)subscribers[subscriber];
            Subscriber sendersSubscriberItem = new Subscriber();

            Hashtable Rosters = JabberServer.RosterHashtable;//get reference to rosters


            //prepare sender's roster
            UserRoster senderRoster = Rosters[this.user] as UserRoster;//getting senders roster
            if (senderRoster == null)
            {
                senderRoster = new UserRoster();
                senderRoster.user = this.user;
            }
            if (!Rosters.ContainsKey(this.user))
            {
                Rosters.Add(this.user, senderRoster);
            }

            //prepare recipients roster
            UserRoster recipientRoster = Rosters[recipientID.User] as UserRoster;//getting recipients roster
            if (recipientRoster == null)
            {
                recipientRoster = new UserRoster();
                recipientRoster.user = recipientID.User;
            }
            if (!Rosters.ContainsKey(recipientID.User))
            {
                Rosters.Add(recipientID.User, recipientRoster);
            }

            sendersSubscriberItem = senderRoster.subscribers[subscriber] as Subscriber;//extra

            if (sendersSubscriberItem == null)
            {
                //create subscription item
                sendersSubscriberItem = new Subscriber();
                sendersSubscriberItem.subscription = "none";
                senderRoster.subscribers.Add(recipient, sendersSubscriberItem);
                Packet itempacket = new Packet("item");
                itempacket.setAttribute("jid", subscriber);
                senderRoster.items.Add(subscriber, itempacket);
            }

            //begin subscription managment
            if (type.Equals("subscribe"))
            {
                sendersSubscriberItem.ask = type;//set up subscription status
            }
            else if (type.Equals("subscribed"))//if subscription accepted
            {
                sendersSubscriberItem.ask = null;
                if (sendersSubscriberItem.subscription.Equals("from"))
                {
                    sendersSubscriberItem.subscription = "both";
                }
                else if (sendersSubscriberItem.subscription.Equals("none"))
                {
                    sendersSubscriberItem.subscription = "to";
                }

            }
            else if (type.Equals("unsubscribed"))
            {//sender does not want to give presence updates to recipient
                sendersSubscriberItem.ask = null;

                if (sendersSubscriberItem.subscription.Equals("to"))
                {
                    sendersSubscriberItem.subscription = "none";
                }

                else if (sendersSubscriberItem.subscription.Equals("both"))
                {
                    sendersSubscriberItem.subscription = "from";
                }


                //notify recipient of sender's unavailble status:
                Packet unavailiblePacket = new Packet("presence");
                unavailiblePacket.setFrom(presence.From);
                unavailiblePacket.To = presence.To;
                unavailiblePacket.setAttribute("type", "unavailable");
                MessageHandler.deliverPacket(unavailiblePacket);

            }
            else if (type.Equals("unsubscribe"))
            {//sender no longer interested in recieving presence updates from recipient
                sendersSubscriberItem.ask = null;

                if (sendersSubscriberItem.subscription.Equals("both"))
                {
                    sendersSubscriberItem.subscription = "to";
                }
                else if (sendersSubscriberItem.subscription.Equals("from"))
                {
                    sendersSubscriberItem.subscription = "none";
                }

            }
            //update the corresponding changes in <items> table in sender's record used for delivery
            Packet item = (Packet)senderRoster.items[subscriber];
            if (item != null)
            {
                item.setAttribute("subscription", sendersSubscriberItem.subscription);
                item.setAttribute("ask", sendersSubscriberItem.ask);
                Packet iq = new Packet("iq");
                iq.Type = "set";
                Packet query = new Packet("query");
                query.setAttribute("xmlns", "jabber:iq:roster");
                query.setParent(iq);
                item.setParent(query);
                iq.To = this.user + "@" + Server.JabberServer.server_name;

                //Forward the subscription packet to recipient
                MessageHandler.deliverPacketToAll(user, iq);//may need some correction!
            }

            //processing of recipients roster begins
            if (sendersSubscriberItem.ask == null)
            {
                //the recipient user rosters update!
                Subscriber recipientsSubscriberItem = recipientRoster.subscribers[user + "@" + JabberServer.server_name] as Subscriber;//extra
                if (recipientsSubscriberItem == null)
                {
                    //create subscription item
                    recipientsSubscriberItem = new Subscriber();
                    recipientsSubscriberItem.subscription = "none";
                    recipientRoster.subscribers.Add(user + "@" + JabberServer.server_name, recipientsSubscriberItem);
                }

                //if type is subscribe, changes in this roster are not needed!!!

                if (type.Equals("subscribed"))//if subscription accepted
                {
                    recipientsSubscriberItem.ask = null;
                    if (recipientsSubscriberItem.subscription.Equals("none"))
                    {
                        recipientsSubscriberItem.subscription = "from";
                    }

                    else if (recipientsSubscriberItem.subscription.Equals("to"))
                    {
                        recipientsSubscriberItem.subscription = "both";
                    }

                }
                else if (type.Equals("unsubscribed"))
                {//sender no longer interested in giving presence updates to recipient
                    recipientsSubscriberItem.ask = null;
                    if (recipientsSubscriberItem.subscription.Equals("both"))
                    {
                        recipientsSubscriberItem.subscription = "to";
                    }
                    else if (recipientsSubscriberItem.subscription.Equals("from"))
                    {
                        recipientsSubscriberItem.subscription = "none";
                    }

                }
                else if (type.Equals("unsubscribe"))
                {//sender no longer interested in recieving presence updates from recipient
                    recipientsSubscriberItem.ask = null;
                    if (recipientsSubscriberItem.subscription.Equals("to"))
                    {
                        recipientsSubscriberItem.subscription = "none";
                    }

                    else if (recipientsSubscriberItem.subscription.Equals("both"))
                    {
                        recipientsSubscriberItem.subscription = "from";
                    }

                    //notify sender of unavailble status:
                    Packet unavailiblePacket = new Packet("presence");
                    unavailiblePacket.setFrom(presence.To);
                    unavailiblePacket.To = presence.From;
                    unavailiblePacket.setAttribute("type", "unavailable");
                    MessageHandler.deliverPacket(unavailiblePacket);

                }

                //update the corresponding changes in <items> table in sender's record used for delivery
                Packet item2 = (Packet)recipientRoster.items[user + "@" + JabberServer.server_name];
                if (item2 != null)
                {
                    item2.setAttribute("subscription", recipientsSubscriberItem.subscription);
                    item2.setAttribute("ask", recipientsSubscriberItem.ask);
                    Packet iq = new Packet("iq");
                    iq.Type = "set";
                    Packet query = new Packet("query");
                    query.setAttribute("xmlns", "jabber:iq:roster");
                    query.setParent(iq);
                    item2.setParent(query);
                    iq.To = recipientID.User + "@" + recipientID.Domain;
                    //Forward the subscription packet to recipient
                    MessageHandler.deliverPacketToAll(user, iq);//may need some correction!
                }

            }

            MessageHandler.deliverPacket(presence);


        }//UpdatePresense
Example #5
0
        public void updatePresence(Packet presence)
        {
            String   type            = presence.Type;
            Session  session         = presence.Session;
            Presence sessionPresence = session.getPresence();
            String   recipient       = presence.To;
            JabberID recipientID;
            Boolean  isUserSent;//it is not used yet, may be used in S2S comunication

            //packet filling begins
            if (recipient == null)
            {   //directed to server
                //server name
                recipientID = new JabberID(Server.JabberServer.server_name);
                isUserSent  = true;
            }
            else
            {
                recipientID = new JabberID(recipient);
                if (user.Equals(recipientID.User))
                {
                    isUserSent = false;
                }
                else
                {
                    isUserSent = true;
                }
            }
            String   sender = presence.From;
            JabberID SenderID;

            if (sender == null)
            {
                SenderID = session.JID;
            }
            else
            {
                SenderID = new JabberID(sender);
            }
            //added by marko
            presence.From = SenderID.User + "@" + SenderID.Domain;

            //original line:
            //String subscriber = isUserSent ? recipientID.ToString() : SenderID.ToString();
            String subscriber = recipientID.ToString();

            if (type == null)
            {
                type = "available";
            }
            //packet filling ends


            //packet routing begins
            if (type.Equals("available") || type.Equals("unavailable"))
            {
                //user-managed presence updates are delivered untouched
                if (!recipientID.ToString().Equals(Server.JabberServer.server_name))
                {
                    //may need some work;
                    MessageHandler.deliverPacket(presence);
                    return;
                }


                //Server-managed presence updates are forwarded only to subscribers

                //update the session's presence status

                sessionPresence.Availible = type.Equals("available");
                sessionPresence.Show      = presence.getChildValue("show");
                sessionPresence.Status    = presence.getChildValue("status");
                String priority = presence.getChildValue("priority");
                sessionPresence.Priority = priority;
                if (priority != null)
                {
                    //some code to set the priority of the session

                    try
                    {
                        session.setPriority(int.Parse(priority));
                    }
                    catch (Exception ex)
                    {
                        JabberServer.output.WriteLine("Error in incoming priority, setting priority to default: 1");
                        session.setPriority(0);
                    }
                }

                //deliver to all users presence subscribers
                updateSubscribers(presence);
                informSubscriber();
                return;
            }

            if (type.Equals("probe"))
            {
                //needed for server to server communication!!!!
                JabberServer.output.WriteLine("Roster: We don't handle probes yet " + presence.ToString());
                return;
            }



            //Marko believes it is checked for exceptions
            //Subscriber sendersSubscriberItem = (Subscriber)subscribers[subscriber];
            Subscriber sendersSubscriberItem = new Subscriber();

            Hashtable Rosters = JabberServer.RosterHashtable;//get reference to rosters


            //prepare sender's roster
            UserRoster senderRoster = Rosters[this.user] as UserRoster;//getting senders roster

            if (senderRoster == null)
            {
                senderRoster      = new UserRoster();
                senderRoster.user = this.user;
            }
            if (!Rosters.ContainsKey(this.user))
            {
                Rosters.Add(this.user, senderRoster);
            }

            //prepare recipients roster
            UserRoster recipientRoster = Rosters[recipientID.User] as UserRoster;//getting recipients roster

            if (recipientRoster == null)
            {
                recipientRoster      = new UserRoster();
                recipientRoster.user = recipientID.User;
            }
            if (!Rosters.ContainsKey(recipientID.User))
            {
                Rosters.Add(recipientID.User, recipientRoster);
            }

            sendersSubscriberItem = senderRoster.subscribers[subscriber] as Subscriber;//extra

            if (sendersSubscriberItem == null)
            {
                //create subscription item
                sendersSubscriberItem = new Subscriber();
                sendersSubscriberItem.subscription = "none";
                senderRoster.subscribers.Add(recipient, sendersSubscriberItem);
                Packet itempacket = new Packet("item");
                itempacket.setAttribute("jid", subscriber);
                senderRoster.items.Add(subscriber, itempacket);
            }

            //begin subscription managment
            if (type.Equals("subscribe"))
            {
                sendersSubscriberItem.ask = type; //set up subscription status
            }
            else if (type.Equals("subscribed"))   //if subscription accepted
            {
                sendersSubscriberItem.ask = null;
                if (sendersSubscriberItem.subscription.Equals("from"))
                {
                    sendersSubscriberItem.subscription = "both";
                }
                else if (sendersSubscriberItem.subscription.Equals("none"))
                {
                    sendersSubscriberItem.subscription = "to";
                }
            }
            else if (type.Equals("unsubscribed"))
            {//sender does not want to give presence updates to recipient
                sendersSubscriberItem.ask = null;

                if (sendersSubscriberItem.subscription.Equals("to"))
                {
                    sendersSubscriberItem.subscription = "none";
                }

                else if (sendersSubscriberItem.subscription.Equals("both"))
                {
                    sendersSubscriberItem.subscription = "from";
                }


                //notify recipient of sender's unavailble status:
                Packet unavailiblePacket = new Packet("presence");
                unavailiblePacket.setFrom(presence.From);
                unavailiblePacket.To = presence.To;
                unavailiblePacket.setAttribute("type", "unavailable");
                MessageHandler.deliverPacket(unavailiblePacket);
            }
            else if (type.Equals("unsubscribe"))
            {//sender no longer interested in recieving presence updates from recipient
                sendersSubscriberItem.ask = null;

                if (sendersSubscriberItem.subscription.Equals("both"))
                {
                    sendersSubscriberItem.subscription = "to";
                }
                else if (sendersSubscriberItem.subscription.Equals("from"))
                {
                    sendersSubscriberItem.subscription = "none";
                }
            }
            //update the corresponding changes in <items> table in sender's record used for delivery
            Packet item = (Packet)senderRoster.items[subscriber];

            if (item != null)
            {
                item.setAttribute("subscription", sendersSubscriberItem.subscription);
                item.setAttribute("ask", sendersSubscriberItem.ask);
                Packet iq = new Packet("iq");
                iq.Type = "set";
                Packet query = new Packet("query");
                query.setAttribute("xmlns", "jabber:iq:roster");
                query.setParent(iq);
                item.setParent(query);
                iq.To = this.user + "@" + Server.JabberServer.server_name;

                //Forward the subscription packet to recipient
                MessageHandler.deliverPacketToAll(user, iq);//may need some correction!
            }

            //processing of recipients roster begins
            if (sendersSubscriberItem.ask == null)
            {
                //the recipient user rosters update!
                Subscriber recipientsSubscriberItem = recipientRoster.subscribers[user + "@" + JabberServer.server_name] as Subscriber;//extra
                if (recipientsSubscriberItem == null)
                {
                    //create subscription item
                    recipientsSubscriberItem = new Subscriber();
                    recipientsSubscriberItem.subscription = "none";
                    recipientRoster.subscribers.Add(user + "@" + JabberServer.server_name, recipientsSubscriberItem);
                }

                //if type is subscribe, changes in this roster are not needed!!!

                if (type.Equals("subscribed"))//if subscription accepted
                {
                    recipientsSubscriberItem.ask = null;
                    if (recipientsSubscriberItem.subscription.Equals("none"))
                    {
                        recipientsSubscriberItem.subscription = "from";
                    }

                    else if (recipientsSubscriberItem.subscription.Equals("to"))
                    {
                        recipientsSubscriberItem.subscription = "both";
                    }
                }
                else if (type.Equals("unsubscribed"))
                {//sender no longer interested in giving presence updates to recipient
                    recipientsSubscriberItem.ask = null;
                    if (recipientsSubscriberItem.subscription.Equals("both"))
                    {
                        recipientsSubscriberItem.subscription = "to";
                    }
                    else if (recipientsSubscriberItem.subscription.Equals("from"))
                    {
                        recipientsSubscriberItem.subscription = "none";
                    }
                }
                else if (type.Equals("unsubscribe"))
                {//sender no longer interested in recieving presence updates from recipient
                    recipientsSubscriberItem.ask = null;
                    if (recipientsSubscriberItem.subscription.Equals("to"))
                    {
                        recipientsSubscriberItem.subscription = "none";
                    }

                    else if (recipientsSubscriberItem.subscription.Equals("both"))
                    {
                        recipientsSubscriberItem.subscription = "from";
                    }

                    //notify sender of unavailble status:
                    Packet unavailiblePacket = new Packet("presence");
                    unavailiblePacket.setFrom(presence.To);
                    unavailiblePacket.To = presence.From;
                    unavailiblePacket.setAttribute("type", "unavailable");
                    MessageHandler.deliverPacket(unavailiblePacket);
                }

                //update the corresponding changes in <items> table in sender's record used for delivery
                Packet item2 = (Packet)recipientRoster.items[user + "@" + JabberServer.server_name];
                if (item2 != null)
                {
                    item2.setAttribute("subscription", recipientsSubscriberItem.subscription);
                    item2.setAttribute("ask", recipientsSubscriberItem.ask);
                    Packet iq = new Packet("iq");
                    iq.Type = "set";
                    Packet query = new Packet("query");
                    query.setAttribute("xmlns", "jabber:iq:roster");
                    query.setParent(iq);
                    item2.setParent(query);
                    iq.To = recipientID.User + "@" + recipientID.Domain;
                    //Forward the subscription packet to recipient
                    MessageHandler.deliverPacketToAll(user, iq);//may need some correction!
                }
            }

            MessageHandler.deliverPacket(presence);
        }//UpdatePresense