node-red-nodes/social/xmpp/92-xmpp.js

module.exports = function(RED) {
    "use strict";
    const {client, xml, jid} = require('@xmpp/client')
    process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0'
    const LOGITALL=false;

    function XMPPServerNode(n) {
        RED.nodes.createNode(this,n);
        this.nickname = n.nickname;
        this.jid = n.user;
        this.username = n.user.split('@')[0];
        // The user may elect to just specify the jid in the settings,
        //  in which case extract the server from the jid and default the port
        if ("undefined" === typeof n.server || n.server === "") {
            this.server = n.user.split('@')[1];
        }
        else {
            this.server = n.server;
        }
        if ("undefined" === typeof n.port || n.port === "") {
            this.port = 5222;
        }
        else {
            this.port = parseInt(n.port);
        }

        // The password is obfuscated and stored in a separate location
        var credentials = this.credentials;
        if (credentials) {
            this.password = credentials.password;
        }
        // The basic xmpp client object, this will be referred to as "xmpp" in the nodes.
        // note we're not actually connecting here.
        var proto = "xmpp";
        if (this.port === 5223) {
            proto = "xmpps";
        }
        if (RED.settings.verbose || LOGITALL) {
            this.log("Setting up connection xmpp: {service: "+proto+"://"+this.server+":"+this.port+", username: "+this.username+", password: "+this.password+"}");
        }
        this.client = client({
            service: proto+'://' + this.server + ':' + this.port,
            username: this.username,
            password: this.password
        });

        // helper variable for checking against later, maybe we should be using the client
        // object directly...
        this.connected = false;
        // store the nodes that have us as config so we know when to tear it all down.
        this.users = {};
        // store the chatrooms (MUC) that we've joined (sent "presence" XML to) already
        this.MUCs = {};
        // helper variable, because "this" changes definition inside a callback
        var that = this;

        // function for a node to tell us it has us as config
        this.register = function(xmppThat) {
            if (RED.settings.verbose || LOGITALL) {that.log("registering "+xmppThat.id); }
            that.users[xmppThat.id] = xmppThat;
            // So we could start the connection here, but we already have the logic in the nodes that takes care of that.
            // if (Object.keys(that.users).length === 1) {
            //   this.client.start();
            // }
        };

        // function for a node to tell us it's not using us anymore
        this.deregister = function(xmppThat,done) {
            if (RED.settings.verbose || LOGITALL) {that.log("deregistering "+xmppThat.id); }
            delete that.users[xmppThat.id];
            if (that.closing) {
                return done();
            }
            if (Object.keys(that.users).length === 0) {
                if (that.client && that.client.connected) {
                    return that.client.stop(done);
                }
                else {
                    return done();
                }
            }
            done();
        };

        // store the last node to use us, in case we get an error back
        this.lastUsed = undefined;

        // function for a node to tell us it has just sent a message to our server
        // so we know which node to blame if it all goes Pete Tong
        this.used = function(xmppThat) {
            if (RED.settings.verbose || LOGITALL) {that.log(xmppThat.id+" sent a message to the xmpp server"); }
            that.lastUsed = xmppThat;
        }

        // Some errors come back as a message :-(
        // this means we need to figure out which node might have sent it
        // we also deal with subscriptions (i.e. presence information) here
        this.client.on('stanza', async (stanza) => {
            //console.log("STANZA",stanza.toString())
            if (stanza.is('message')) {
                if (stanza.attrs.type == 'error') {
                    if (RED.settings.verbose || LOGITALL) {
                        that.log("Received error");
                        that.log(stanza);
                    }
                    var err = stanza.getChild('error');
                    if (err) {
                        var textObj = err.getChild('text');
                        var text = "error";
                        if (typeof textObj !== "undefined") {
                            text = textObj.getText();
                        }
                        else {
                            textObj = err.getAttr('code');
                            if (typeof textObj !== "undefined") {
                                text = textObj;
                            }
                        }
                        if (RED.settings.verbose || LOGITALL) {that.log("Culprit: "+that.lastUsed.id); }
                        if (typeof that.lastUsed !== "undefined") {
                            that.lastUsed.status({fill:"yellow",shape:"dot",text:"warning. "+text});
                            that.lastUsed.warn("Warning. "+text);
                            if (that.lastUsed.join) {
                                // it was trying to MUC things up
                                clearMUC(that);
                            }
                        }
                        if (RED.settings.verbose || LOGITALL) {
                            that.log("We did wrong: Error "+text);
                            that.log(stanza);
                        }

                        // maybe throw the message or summit
                        //that.error(text);
                    }
                }
            }
            else if (stanza.is('presence')) {
                if (['subscribe','subscribed','unsubscribe','unsubscribed'].indexOf(stanza.attrs.type) > -1) {
                    if (RED.settings.verbose || LOGITALL) {that.log("got a subscription based message"); }
                    switch(stanza.attrs.type) {
                    case 'subscribe':
                        // they're asking for permission let's just say yes
                        var response = xml('presence',
                            {type:'subscribed', to:stanza.attrs.from});
                        // if an error comes back we can't really blame anyone else
                        that.used(that);
                        that.client.send(response);
                        break;
                    default:
                        that.log("Was told we've "+stanza.attrs.type+" from "+stanza.attrs.from+" but we don't really care");
                    }
                }
                if (stanza.attrs.to && stanza.attrs.to.indexOf(that.jid) !== -1) {
                    var _x = stanza.getChild("x")
                    if (_x !== undefined) {
                        var _stat = _x.getChildren("status");
                        for (var i = 0; i<_stat.length; i++) {
                            if (_stat[i].attrs.code == 201) {
                                if (RED.settings.verbose || LOGITALL) {that.log("created new room"); }
                                var stanza = xml('iq',
                                    {type:'set', id:that.id, from:that.jid, to:stanza.attrs.from.split('/')[0]},
                                    xml('query', 'http://jabber.org/protocol/muc#owner',
                                        xml('x', {xmlns:'jabber:x:data', type:'submit'})
                                    )
                                );
                                that.client.send(stanza);
                            }
                        }
                    }
                }
            }
            else if (stanza.is('iq')) {
                if (RED.settings.verbose || LOGITALL) {that.log("got an iq query"); }
                if (stanza.attrs.type === 'error') {
                    if (RED.settings.verbose || LOGITALL) {that.log("oh noes, it's an error"); }
                    if (stanza.attrs.id === that.lastUsed.id) {
                        that.lastUsed.status({fill:"red", shape:"ring", text:stanza.getChild('error')});
                        that.lastUsed.warn(stanza.getChild('error'));
                    }
                }
            }
        });

        // We shouldn't have any errors here that the input/output nodes can't handle
        //   if you need to see everything though; uncomment this block
        // this.client.on('error', err => {
        //   that.warn(err);
        //   that.warn(err.stack);
        // });

        // this gets called when we've completed the connection
        this.client.on('online', async address => {
            // provide some presence so people can see we're online
            that.connected = true;
            await that.client.send(xml('presence'));
            //      await that.client.send(xml('presence', {type: 'available'},xml('status', {}, 'available')));
            if (RED.settings.verbose || LOGITALL) {that.log('connected as '+that.username+' to ' +that.server+':'+that.port); }
        });

        // if the connection has gone away, not sure why!
        this.client.on('offline', () => {
            that.connected = false;
            if (RED.settings.verbose || LOGITALL) {that.log('connection closed'); }
        });

        // gets called when the node is destroyed, e.g. if N-R is being stopped.
        this.on("close", async done => {
            const rooms = Object.keys(this.MUCs)
            for (const room of rooms) {
                await that.client.send(xml('presence', {to:room, type:'unavailable'}));
            }
            if (that.connected) {
                await that.client.send(xml('presence', {type:'unavailable'}));
                try{
                    if (RED.settings.verbose || LOGITALL) {
                        that.log("Calling stop() after close, status is "+that.client.status);
                    }
                    await that.client.stop().then(that.log("XMPP client stopped")).catch(error=>{that.warn("Got an error whilst closing xmpp session: "+error)});
                }
                catch(e) {
                    that.warn(e);
                }
            }
            done();
        });
    }

    RED.nodes.registerType("xmpp-server",XMPPServerNode,{
        credentials: {
            password: {type: "password"}
        }
    });

    function getItems(thing,id,xmpp) {
        // Now try to get a list of all items/conference rooms available on this server
        var stanza = xml('iq',
            {type:'get', id:id, to:thing},
            xml('query', 'http://jabber.org/protocol/disco#items')
        );
        xmpp.send(stanza);
    }

    function joinMUC(node, xmpp, name) {
        // the presence with the muc x element signifies we want to join the muc
        // if we want to support passwords, we need to add that as a child of the x element
        // (third argument to the x/muc/children )
        // We also turn off chat history (maxstanzas 0) because that's not what this node is about.
        // Yes, there's a race condition, but it's not a huge problem to send two messages
        // so we don't care.
        var mu = name.split("/")[0];
        if (mu in node.serverConfig.MUCs) {
            if (RED.settings.verbose || LOGITALL) { node.log("already joined MUC "+name); }
        }
        else {
            var stanza = xml('presence',
                {"to":name},
                xml("x",'http://jabber.org/protocol/muc',
                    xml("history", {maxstanzas:0, seconds:1})   // We don't want any history
                )
            );
            if (node.hasOwnProperty("credentials") && node.credentials.hasOwnProperty("password")) {
                stanza = xml('presence',
                    {"to":name},
                    xml("x",'http://jabber.org/protocol/muc',
                        xml("history", {maxstanzas:0, seconds:1}),   // We don't want any history
                        xml("password", {}, node.credentials.password)   // Add the password
                    )
                );
            }
            node.serverConfig.used(node);
            node.serverConfig.MUCs[mu] = "joined";
            if (RED.settings.verbose || LOGITALL) { node.log("JOINED "+mu); }
            xmpp.send(stanza);
        }
    }

    function clearMUC(config) {
        //something has happened, so clear out our presence indicators
        if (RED.settings.verbose || LOGITALL) {
            config.log("cleared all MUC membership");
        }
        config.MUCs = {};
    }

    // separated out since we want the same functionality from both in and out nodes
    function errorHandler(node, err){
        if (!node.quiet) {
            node.quiet = true;
            // if the error has a "stanza" then we've probably done something wrong and the
            // server is unhappy with us
            if (err.hasOwnProperty("stanza")) {
                if (err.stanza.name === 'stream:error') { node.error("stream:error - bad login id/pwd ?",err); }
                else { node.error(err.stanza.name,err); }
                node.status({fill:"red",shape:"ring",text:"bad login"});
            }
            // The error might be a string
            else if (err == "TimeoutError") {
                // OK, this happens with OpenFire, suppress it, but invalidate MUC membership as it will need to be re-established.
                clearMUC(node.serverConfig);
                node.status({fill:"grey",shape:"dot",text:"TimeoutError"});
                node.log("Timed out! ",err);
                //                    node.status({fill:"red",shape:"ring",text:"XMPP timeout"});
            }
            else if (err === "XMPP authentication failure") {
                node.error(err,err);
                node.status({fill:"red",shape:"ring",text:"XMPP authentication failure"});
            }
            // or it might have a name that tells us what's wrong
            else if (err.name === "SASLError") {
                node.error("Authorization error! "+err.condition,err);
                node.status({fill:"red",shape:"ring",text:"XMPP authorization failure"});
            }
            // or it might have the errno set.
            else if (err.errno === "ETIMEDOUT") {
                node.error("Timeout connecting to server",err);
                node.status({fill:"red",shape:"ring",text:"timeout"});
            }
            else if (err.errno === "ENOTFOUND") {
                node.error("Server doesn't exist "+node.serverConfig.server,err);
                node.status({fill:"red",shape:"ring",text:"bad address"});
            }
            // nothing we've seen before!
            else {
                node.error("Unknown error: "+err,err);
                node.status({fill:"red",shape:"ring",text:"error"});
            }
        }
    }


    function XmppInNode(n) {
        RED.nodes.createNode(this,n);
        this.server = n.server;
        this.serverConfig = RED.nodes.getNode(this.server);
        this.nick = this.serverConfig.nickname || this.serverConfig.username.split("@")[0];
        this.join = n.join || false;
        this.sendAll = n.sendObject;
        // Yes, it's called "from", don't ask me why; I don't know why
        // (because it's where you are asking to get messages from...)
        this.from = ((n.to || "").split(':')).map(s => s.trim());
        this.quiet = false;
        this.subject = {};
        // MUC == Multi-User-Chat == chatroom
        //this.muc = this.join && (this.from !== "")
        var node = this;

        var joinrooms = function() {
            if (node.from[0] === "") {
                // try to get list of all rooms and join them all.
                getItems(node.serverConfig.server, node.serverConfig.id, xmpp);
            }
            else {
                // if we want to use a chatroom, we need to tell the server we want to join it
                for (var i=0; i<node.from.length; i++) {
                    joinMUC(node, xmpp, node.from[i]+'/'+node.nick);
                }
            }
        }

        var xmpp = this.serverConfig.client;

        /* connection states
           online: We are connected
           offline: disconnected and will not autoretry
           connecting: Socket is connecting
           connect: Socket is connected
           opening: Stream is opening
           open: Stream is open
           closing: Stream is closing
           close: Stream is closed
           disconnecting: Socket is disconnecting
           disconnect: Socket is disconnected
        */

        // if we're already connected, then do the actions now, otherwise register a callback
        // if (xmpp.status === "online") {
        //     node.status({fill:"green",shape:"dot",text:"connected"});
        //     if (node.muc) {
        //         joinMUC(node, xmpp, node.from+'/'+node.nick);
        //     }
        // }
        // sod it, register it anyway, that way things will work better on a reconnect:
        xmpp.on('online', async address => {
            node.quiet = false;
            node.status({fill:"green",shape:"dot",text:"connected"});
            if (node.join) {
                node.jointick = setInterval(function() { joinrooms(); }, 60000);
                joinrooms();
            }
        });

        xmpp.on('connecting', async address => {
            if (!node.quiet) {
                node.status({fill:"grey",shape:"dot",text:"connecting"});
            }
        });
        xmpp.on('connect', async address => {
            node.status({fill:"grey",shape:"dot",text:"connected"});
        });
        xmpp.on('opening', async address => {
            node.status({fill:"grey",shape:"dot",text:"opening"});
        });
        xmpp.on('open', async address => {
            node.status({fill:"grey",shape:"dot",text:"open"});
        });
        xmpp.on('closing', async address => {
            node.status({fill:"grey",shape:"dot",text:"closing"});
        });
        xmpp.on('close', async address => {
            node.status({fill:"grey",shape:"ring",text:"closed"});
        });
        xmpp.on('disconnecting', async address => {
            node.status({fill:"grey",shape:"dot",text:"disconnecting"});
        });
        // we'll not add a offline catcher, as the error catcher should populate the status for us

        // Should we listen on other's status (chatstate) or a chatroom state (groupbuddy)?
        xmpp.on('error', err => {
            if (RED.settings.verbose || LOGITALL) { node.log("XMPP Error: "+err); }
            errorHandler(node, err);
        });

        // Meat of it, a stanza object contains chat messages (and other things)
        xmpp.on('stanza', async (stanza) => {
            if (RED.settings.verbose || LOGITALL) { node.log(stanza); }
            if (stanza.is('message')) {
                var subj = stanza.getChild("subject");
                if (subj) {
                    subj = subj.getText();
                    if (subj.trim() !== "") { node.subject[stanza.attrs.from.split('/')[0]] = subj; }
                }
                if (stanza.attrs.type == 'chat') {
                    var body = stanza.getChild('body');
                    if (body) {
                        var msg = { payload:body.getText(), subject:node.subject[stanza.attrs.from.split('/')[0]] };
                        var ids = stanza.attrs.from.split('/');
                        if (ids[1].length !== 36) {
                            msg.topic = stanza.attrs.from
                        }
                        else { msg.topic = ids[0]; }
                        // if (RED.settings.verbose || LOGITALL) { node.log("Received a message from "+stanza.attrs.from); }
                        if (!node.join && ((node.from[0] === "") || (node.from.includes(stanza.attrs.to)))) {
                            node.send([msg,null]);
                        }
                    }
                }
                else if (stanza.attrs.type == 'groupchat') {
                    const parts = stanza.attrs.from.split("/");
                    var conference = parts[0];
                    var from = parts[1];
                    var msg = { topic:from, room:conference, subject:node.subject[stanza.attrs.from.split('/')[0]] };
                    var body = stanza.getChild('body');
                    if (typeof body !== "undefined") {
                        msg.payload = body.getText();
                        //if (from && stanza.attrs.from != node.nick && from != node.nick) {
                        if (from && node.join && (node.from[0] === "" || node.from.includes(conference))) {
                            node.send([msg,null]);
                        }
                    }
                    //}
                }
            }
            else if (stanza.is('presence')) {
                if (['subscribe','subscribed','unsubscribe','unsubscribed'].indexOf(stanza.attrs.type) > -1) {
                    // this isn't for us, let the config node deal with it.
                }
                else {
                    if (stanza.attrs.type === 'error') {
                        var error = stanza.getChild('error');
                        if (error.attrs.code) {
                            try {
                                var reas = error.toString().split('><')[1].split(" xml")[0].trim();
                                if (reas == "registration-required") { reas = "membership-required"; }
                            }
                            catch(e) {};
                            var msg = {
                                topic:stanza.attrs.from,
                                payload: {
                                    code:error.attrs.code,
                                    status:"error",
                                    reason:reas,
                                    name:node.serverConfig.MUCs[stanza.attrs.from.split('/')[0]]
                                }
                            };
                            node.send([null,msg]);
                            node.status({fill:"red",shape:"ring",text:"error : "+error.attrs.code+", "+error.attrs.type+", "+reas});
                            node.error(error.attrs.type+" error. "+error.attrs.code+" "+reas,msg);
                        }
                    }

                    var state = stanza.getChild('show');
                    if (state) { state = state.getText(); }
                    else { state = "available"; }
                    var statusText="";
                    if (stanza.attrs.type === 'unavailable') {
                        // the user might not exist, but the server doesn't tell us that!
                        statusText = "offline";
                        state = "offline";
                    }
                    var status = stanza.getChild('status');
                    if (typeof status !== "undefined") {
                        statusText = status.getText();
                    }
                    // right, do we care if there's no status?
                    if (statusText !== "") {
                        var from = stanza.attrs.from;
                        var msg = {
                            topic:from,
                            payload: {
                                presence:state,
                                status:statusText,
                                name:node.serverConfig.MUCs[stanza.attrs.from.split('/')[0]]
                            }
                        };
                        node.send([null,msg]);
                    }
                    else {
                        if (RED.settings.verbose || LOGITALL) {
                            node.log("not propagating blank status");
                            node.log(stanza);
                        }
                    }
                }
            }
            else if (stanza.attrs.type === 'result') {
                // AM To-Do check for 'bind' result with our current jid
                var query = stanza.getChild('query');
                if (RED.settings.verbose || LOGITALL) { this.log("result!"); }
                if (RED.settings.verbose || LOGITALL) { this.log(query); }

                // handle query for list of rooms available
                if (query && query.attrs.hasOwnProperty("xmlns") && query.attrs["xmlns"] === "http://jabber.org/protocol/disco#items") {
                    var _items = stanza.getChild('query').getChildren('item');
                    for (var i = 0; i<_items.length; i++) {
                        if ( _items[i].attrs.jid.indexOf('@') === -1 ) {
                            // if no @ in jid then it's probably the root or the room server so ask again
                            getItems(_items[i].attrs.jid,this.serverConfig.jid,xmpp);
                        }
                        else {
                            var name = _items[i].attrs.jid+'/'+node.serverConfig.username;
                            if (!(name in node.serverConfig.MUCs)) {
                                if (RED.settings.verbose || LOGITALL) { node.log("Need to Join room:"+name); }
                                joinMUC(node, xmpp, name);
                                node.serverConfig.MUCs[name.split('/')[0]] = _items[i].attrs.name.split('/')[0];
                            }
                            else {
                                if (RED.settings.verbose || LOGITALL) { node.log("Already joined:"+name); }
                            }
                        }
                    }
                }
                if (query && query.attrs.hasOwnProperty("xmlns") && query.attrs["xmlns"] === "http://jabber.org/protocol/disco#info") {
                    var fe = [];
                    var _items = stanza.getChild('query').getChildren('feature');
                    for (var i = 0; i<_items.length; i++) {
                        fe.push(_items[i].attrs);
                    }
                    var id = []
                    var _idents = stanza.getChild('query').getChildren('identity');
                    for (var i = 0; i<_idents.length; i++) {
                        id.push(_idents[i].attrs);
                    }
                    var from = stanza.attrs.from;
                    var msg = {topic:from, payload: { identity:id, features:fe} };
                    node.send([null,msg]);
                }
            }
        });

        // xmpp.on('subscribe', from => {
        //   xmpp.acceptSubscription(from);
        // });

        //register with config
        this.serverConfig.register(this);
        // Now actually make the connection
        try {
            if (xmpp.status === "online") {
                node.status({fill:"green",shape:"dot",text:"connected"});
            }
            else {
                node.status({fill:"grey",shape:"dot",text:"connecting"});
                if (xmpp.status === "offline") {
                    if (RED.settings.verbose || LOGITALL) {
                        node.log("starting xmpp client");
                    }
                    xmpp.start().catch(error => {
                        node.warn("Got error on start: "+error);
                        node.warn("XMPP Status is now: "+xmpp.status)
                    });
                }
            }
        }
        catch(e) {
            node.error("Bad xmpp configuration; service: "+xmpp.options.service+" jid: "+node.serverConfig.jid);
            node.warn(e.stack);
            node.status({fill:"red",shape:"ring",text:"disconnected"});
        }

        node.on("close", function(removed, done) {
            if (node.jointick) { clearInterval(node.jointick); }
            node.status({fill:"grey",shape:"ring",text:"disconnected"});
            node.serverConfig.deregister(node, done);
        });
    }
    RED.nodes.registerType("xmpp in",XmppInNode,{
        credentials: {
            password: {type: "password"}
        }
    });


    function XmppOutNode(n) {
        RED.nodes.createNode(this,n);
        this.server = n.server;
        this.serverConfig = RED.nodes.getNode(this.server);
        this.nick = this.serverConfig.nickname || this.serverConfig.username.split("@")[0];
        this.join = n.join || false;
        this.sendAll = n.sendObject;
        this.to = n.to || "";
        this.quiet = false;
        // MUC == Multi-User-Chat == chatroom
        this.muc = this.join && (this.to !== "")
        var node = this;

        var xmpp = this.serverConfig.client;

        /* connection states
           online: We are connected
           offline: disconnected and will not autoretry
           connecting: Socket is connecting
           connect: Socket is connected
           opening: Stream is opening
           open: Stream is open
           closing: Stream is closing
           close: Stream is closed
           disconnecting: Socket is disconnecting
           disconnect: Socket is disconnected
        */

        // if we're already connected, then do the actions now, otherwise register a callback
        // if (xmpp.status === "online") {
        //     node.status({fill:"green",shape:"dot",text:"connected"});
        //     if (node.muc){
        //         // if we want to use a chatroom, we need to tell the server we want to join it
        //         joinMUC(node, xmpp, node.from+'/'+node.nick);
        //     }
        // }
        // sod it, register it anyway, that way things will work better on a reconnect:
        xmpp.on('online', function(data) {
            node.quiet = false;
            node.status({fill:"green",shape:"dot",text:"connected"});
            if (node.muc) {
                // if we want to use a chatroom, we need to tell the server we want to join it
                joinMUC(node, xmpp, node.from+'/'+node.nick);
            }
        });

        xmpp.on('connecting', async address => {
            if (!node.quiet) {
                node.status({fill:"grey",shape:"dot",text:"connecting"});
            }
        });
        xmpp.on('connect', async address => {
            node.status({fill:"grey",shape:"dot",text:"connected"});
        });
        xmpp.on('opening', async address => {
            node.status({fill:"grey",shape:"dot",text:"opening"});
        });
        xmpp.on('open', async address => {
            node.status({fill:"grey",shape:"dot",text:"open"});
        });
        xmpp.on('closing', async address => {
            node.status({fill:"grey",shape:"dot",text:"closing"});
        });
        xmpp.on('close', async address => {
            node.status({fill:"grey",shape:"dot",text:"closed"});
        });
        xmpp.on('disconnecting', async address => {
            node.status({fill:"grey",shape:"dot",text:"disconnecting"});
        });
        // we'll not add a offline catcher, as the error catcher should populate the status for us

        xmpp.on('error', function(err) {
            if (RED.settings.verbose || LOGITALL) { node.log(err); }
            errorHandler(node, err)
        });

        xmpp.on('stanza', async (stanza) => {
            if (stanza.attrs.type === 'error') {
                var error = stanza.getChild('error');
                if (error.attrs.code) {
                    try {
                        var reas = error.toString().split('><')[1].split(" xml")[0].trim();
                        if (reas == "registration-required") { reas = "membership-required"; }
                    }
                    catch(e) {};
                    var msg = {
                        topic:stanza.attrs.from,
                        payload: {
                            code:error.attrs.code,
                            status:"error",
                            reason:reas,
                            name:node.serverConfig.MUCs[stanza.attrs.from.split('/')[0]]
                        }
                    };
                    node.status({fill:"red",shape:"ring",text:"error : "+error.attrs.code+", "+error.attrs.type+", "+reas});
                    node.error(error.attrs.type+" error. "+error.attrs.code+" "+reas,msg);
                }
            }
        });

        //register with config
        this.serverConfig.register(this);
        // Now actually make the connection
        if (xmpp.status === "online") {
            node.status({fill:"green",shape:"dot",text:"online"});
        }
        else {
            node.status({fill:"grey",shape:"dot",text:"connecting"});
            if (xmpp.status === "offline") {
                xmpp.start().catch(error => {
                    node.error("Bad xmpp configuration; service: "+xmpp.options.service+" jid: "+node.serverConfig.jid);
                    node.warn(error);
                    node.warn(error.stack);
                    node.status({fill:"red",shape:"ring",text:"error"});
                });
            }
        }

        // Let's get down to business and actually send a message
        node.on("input", function(msg) {
            var to = node.to || msg.topic || "";
            if (msg.presence) {
                if (['away', 'dnd', 'xa', 'chat'].indexOf(msg.presence) > -1 ) {
                    var stanza = xml('presence', {"show":msg.presence}, xml('status', {}, msg.payload));
                    node.serverConfig.used(node);
                    xmpp.send(stanza);
                }
                else { node.warn("Can't set presence - invalid value: "+msg.presence); }
            }
            else if (msg.command) {
                if (msg.command === "subscribe") {
                    var stanza = xml('presence', {type:'subscribe', to:msg.payload});
                    node.serverConfig.used(node);
                    xmpp.send(stanza);
                }
                else if (msg.command === "get") {
                    var stanza = xml('iq',
                        {type:'get', id:node.id, to:to},
                        xml('query', 'http://jabber.org/protocol/muc#admin',
                            xml('item', {affiliation:msg.payload})
                        )
                    );
                    node.serverConfig.used(node);
                    if (RED.settings.verbose || LOGITALL) { node.log("sending stanza "+stanza.toString()); }
                    xmpp.send(stanza);
                }
                else if (msg.command === "info") {
                    var stanza = xml('iq',
                        {type:'get', id:node.id, to:to},
                        xml('query', 'http://jabber.org/protocol/disco#info')
                    );
                    node.serverConfig.used(node);
                    if (RED.settings.verbose || LOGITALL) { node.log("sending stanza "+stanza.toString()); }
                    xmpp.send(stanza);
                }
            }
            else {
                if (to !== "") {
                    var message;
                    var type = "chat";
                    if (node.join) {
                        // we want to connect to groupchat / chatroom / MUC
                        type = "groupchat";
                        // joinMUC will do nothing if we're already joined
                        joinMUC(node, xmpp, to+'/'+node.nick);
                    }
                    if (msg.subject) {
                        var stanza = xml(
                            "message",
                            { type:type, to:to, from:node.serverConfig.jid },
                            xml("subject", {}, msg.subject.toString())
                        );
                        node.serverConfig.used(node);
                        xmpp.send(stanza);
                    }
                    if (node.sendAll) {
                        message = xml(
                            "message",
                            { type: type, to: to },
                            xml("body", {}, JSON.stringify(msg))
                        );
                    }
                    else if (msg.payload) {
                        if (typeof(msg.payload) === "object") {
                            message = xml(
                                "message",
                                { type: type, to: to },
                                xml("body", {}, JSON.stringify(msg.payload))
                            );
                        }
                        else {
                            message = xml(
                                "message",
                                { type: type, to: to },
                                xml("body", {}, msg.payload.toString())
                            );
                        }
                    }
                    if (message) {
                        node.serverConfig.used(node);
                        xmpp.send(message);
                    }
                }
            }
        });

        node.on("close", function(removed, done) {
            if (RED.settings.verbose || LOGITALL) { node.log("Closing"); }
            node.status({fill:"grey",shape:"ring",text:"disconnected"});
            node.serverConfig.deregister(node, done);
        });
    }
    RED.nodes.registerType("xmpp out",XmppOutNode,{
        credentials: {
            password: {type: "password"}
        }
    });
}