616 lines
27 KiB
JavaScript
616 lines
27 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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const {client, xml, jid} = require('@xmpp/client')
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process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0'
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const LOGITALL=false;
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function XMPPServerNode(n) {
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RED.nodes.createNode(this,n);
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this.nickname = n.nickname;
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this.jid = n.user;
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this.username = n.user.split('@')[0];
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// The user may elect to just specify the jid in the settings,
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// in which case extract the server from the jid and default the port
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if ("undefined" === typeof n.server || n.server === "") {
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this.server = n.user.split('@')[1];
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}
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else{
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this.server = n.server;
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}
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if ("undefined" === typeof n.port || n.port === "") {
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this.port = 5222;
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}
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else{
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this.port = parseInt(n.port);
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}
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// The password is obfuscated and stored in a separate location
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var credentials = this.credentials;
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if (credentials) {
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this.password = credentials.password;
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}
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// The basic xmpp client object, this will be referred to as "xmpp" in the nodes.
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// note we're not actually connecting here.
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var proto = "xmpp";
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if (this.port === 5223) {
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proto = "xmpps";
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}
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if (RED.settings.verbose || LOGITALL) {
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this.log("Setting up connection xmpp: {service: "+proto+"://"+this.server+":"+this.port+", username: "+this.username+", password: "+this.password+"}");
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}
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this.client = client({
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service: proto+'://' + this.server + ':' + this.port,
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username: this.username,
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password: this.password
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});
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// helper variable for checking against later, maybe we should be using the client
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// object directly...
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this.connected = false;
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// store the nodes that have us as config so we know when to tear it all down.
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this.users = {};
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// helper variable, because "this" changes definition inside a callback
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var that = this;
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// function for a node to tell us it has us as config
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this.register = function(xmppThat) {
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if (RED.settings.verbose || LOGITALL) {that.log("registering "+xmppThat.id); }
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that.users[xmppThat.id] = xmppThat;
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// So we could start the connection here, but we already have the logic in the thats.
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// if (Object.keys(that.users).length === 1) {
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// this.client.start();
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// }
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};
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// function for a node to tell us it's not using us anymore
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this.deregister = function(xmppThat,done) {
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if (RED.settings.verbose || LOGITALL) {that.log("deregistering "+xmppThat.id); }
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delete that.users[xmppThat.id];
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if (that.closing) {
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return done();
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}
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if (Object.keys(that.users).length === 0) {
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if (that.client && that.client.connected) {
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return that.client.stop(done);
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} else {
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return done();
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}
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}
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done();
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};
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// store the last node to use us, in case we get an error back
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this.lastUsed = undefined;
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// function for a node to tell us it has just sent a message to our server
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// so we know which node to blame if it all goes Pete Tong
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this.used = function(xmppThat) {
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if (RED.settings.verbose || LOGITALL) {that.log(xmppThat.id+" sent a message to the xmpp server"); }
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that.lastUsed = xmppThat;
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}
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// Some errors come back as a message :-(
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// this means we need to figure out which node might have sent it
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// we also deal with subscriptions (i.e. presence information) here
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this.client.on('stanza', async (stanza) =>{
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if (stanza.is('message')) {
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if (stanza.attrs.type == 'error') {
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if (RED.settings.verbose || LOGITALL) {
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that.log("Received error");
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that.log(stanza);
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}
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var err = stanza.getChild('error');
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if (err) {
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var textObj = err.getChild('text');
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var text = "node-red:common.status.error";
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if ("undefined" !== typeof textObj) {
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text = textObj.getText();
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}
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else{
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textObj = err.getChild('code');
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if ("undefined" !== typeof textObj) {
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text = textObj.getText();
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}
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}
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if (RED.settings.verbose || LOGITALL) {that.log("Culprit: "+that.lastUsed); }
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if ("undefined" !== typeof that.lastUsed) {
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that.lastUsed.status({fill:"red",shape:"ring",text:text});
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that.lastUsed.warn(text);
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}
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if (RED.settings.verbose || LOGITALL) {
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that.log("We did wrong: "+text);
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that.log(stanza);
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}
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// maybe throw the message or summit
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//that.error(text);
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}
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}
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}
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else if (stanza.is('presence')) {
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if (['subscribe','subscribed','unsubscribe','unsubscribed'].indexOf(stanza.attrs.type) > -1) {
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if (RED.settings.verbose || LOGITALL) {that.log("got a subscription based message"); }
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switch(stanza.attrs.type) {
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case 'subscribe':
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// they're asking for permission let's just say yes
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var response = xml('presence',
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{type:'subscribed', to:stanza.attrs.from});
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// if an error comes back we can't really blame anyone else
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that.used(that);
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that.client.send(response);
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break;
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default:
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that.log("Was told we've "+stanza.attrs.type+" from "+stanza.attrs.from+" but we don't really care");
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}
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}
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}
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else if (stanza.is('iq')) {
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if (RED.settings.verbose || LOGITALL) {that.log("got an iq query"); }
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if (stanza.attrs.type === 'error') {
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if (RED.settings.verbose || LOGITALL) {that.log("oh noes, it's an error"); }
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if (stanza.attrs.id === that.lastUsed.id) {
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that.lastUsed.status({fill:"red", shape:"ring", text:stanza.getChild('error')});
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that.lastUsed.warn(stanza.getChild('error'));
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}
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}
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else if (stanza.attrs.type === 'result') {
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// AM To-Do check for 'bind' result with our current jid
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var query = stanza.getChild('query');
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if (RED.settings.verbose || LOGITALL) {that.log("result!"); }
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if (RED.settings.verbose || LOGITALL) {that.log(query); }
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}
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}
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});
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// We shouldn't have any errors here that the input/output nodes can't handle
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// if you need to see everything though; uncomment this block
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// this.client.on('error', err => {
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// that.warn(err);
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// that.warn(err.stack);
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// });
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// this gets called when we've completed the connection
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this.client.on('online', async address => {
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// provide some presence so people can see we're online
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that.connected = true;
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await that.client.send(xml('presence'));
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// await that.client.send(xml('presence', {type: 'available'},xml('status', {}, 'available')));
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if (RED.settings.verbose || LOGITALL) {that.log('connected as '+that.username+' to ' +that.server+':'+that.port); }
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});
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// if the connection has gone away, not sure why!
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this.client.on('offline', () => {
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that.connected = false;
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if (RED.settings.verbose || LOGITALL) {that.log('connection closed'); }
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});
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// gets called when the node is destroyed, e.g. if N-R is being stopped.
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this.on("close", async done => {
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if (that.client.connected) {
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await that.client.send(xml('presence', {type: 'unavailable'}));
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try{
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if (RED.settings.verbose || LOGITALL) {
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that.log("Calling stop() after close, status is "+that.client.status);
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}
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await that.client.stop().then(that.log("XMPP client stopped")).catch(error=>{that.warn("Got an error whilst closing xmpp session: "+error)});
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}
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catch(e) {
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that.warn(e);
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}
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}
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done();
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});
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}
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RED.nodes.registerType("xmpp-server",XMPPServerNode,{
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credentials: {
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password: {type: "password"}
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}
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});
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function XmppInNode(n) {
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RED.nodes.createNode(this,n);
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this.server = n.server;
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this.serverConfig = RED.nodes.getNode(this.server);
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this.nick = this.serverConfig.nickname || this.serverConfig.username.split("@")[0];
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this.join = n.join || false;
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this.sendAll = n.sendObject;
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// Yes, it's called "from", don't ask me why; I don't know why
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this.from = n.to || "";
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var node = this;
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var xmpp = this.serverConfig.client;
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/* connection states
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online: We are connected
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offline: disconnected and will not autoretry
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connecting: Socket is connecting
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connect: Socket is connected
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opening: Stream is opening
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open: Stream is open
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closing: Stream is closing
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close: Stream is closed
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disconnecting: Socket is disconnecting
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disconnect: Socket is disconnected
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*/
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xmpp.on('online', async address => {
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node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
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if ((node.join) && (node.from !== "")) {
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var to = node.from+'/'+node.nick;
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// the presence with the muc x element signifies we want to join the muc
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// if we want to support passwords, we need to add that as a child of the x element
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// (third argument to the x/muc/children )
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// We also turn off chat history (maxstanzas 0) because that's not what this node is about.
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var stanza = xml('presence',
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{"to": to},
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xml("x",'http://jabber.org/protocol/muc'),
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{ maxstanzas:0, seconds:1 }
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);
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node.serverConfig.used(node);
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xmpp.send(stanza).catch(error => {node.warn("Got error when sending presence: "+error)});
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}
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});
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xmpp.on('connecting', async address => {
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node.status({fill:"grey",shape:"dot",text:"node-red:common.status.connecting"});
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});
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xmpp.on('connect', async address => {
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node.status({fill:"grey",shape:"dot",text:"node-red:common.status.connected"});
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});
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xmpp.on('opening', async address => {
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node.status({fill:"grey",shape:"dot",text:"opening"});
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});
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xmpp.on('open', async address => {
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node.status({fill:"grey",shape:"dot",text:"open"});
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});
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xmpp.on('closing', async address => {
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node.status({fill:"grey",shape:"dot",text:"closing"});
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});
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xmpp.on('close', async address => {
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node.status({fill:"grey",shape:"dot",text:"closed"});
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});
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xmpp.on('disconnecting', async address => {
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node.status({fill:"grey",shape:"dot",text:"disconnecting"});
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});
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// we'll not add a offline catcher, as the error catcher should populate the status for us
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// Should we listen on other's status (chatstate) or a chatroom state (groupbuddy)?
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xmpp.on('error', err => {
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if (RED.settings.verbose || LOGITALL) { node.log("XMPP Error: "+err); }
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if (err.hasOwnProperty("stanza")) {
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if (err.stanza.name === 'stream:error') { node.error("stream:error - bad login id/pwd ?",err); }
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else { node.error(err.stanza.name,err); }
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node.status({fill:"red",shape:"ring",text:"bad login"});
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}
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else {
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if (err.errno === "ETIMEDOUT") {
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node.error("Timeout connecting to server",err);
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node.status({fill:"red",shape:"ring",text:"timeout"});
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}
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if (err.errno === "ENOTFOUND") {
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node.error("Server doesn't exist "+xmpp.options.service,err);
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node.status({fill:"red",shape:"ring",text:"bad address"});
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}
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else if (err === "XMPP authentication failure") {
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node.error("Authentication failure! "+err,err);
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node.status({fill:"red",shape:"ring",text:"XMPP authentication failure"});
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}
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else if (err.name === "SASLError") {
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node.error("Authorization error! "+err.condition,err);
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node.status({fill:"red",shape:"ring",text:"XMPP authorization failure"});
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}
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else if (err == "TimeoutError") {
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// Suppress it!
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node.warn("Timed out! ");
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node.status({fill:"grey",shape:"dot",text:"opening"});
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//node.status({fill:"red",shape:"ring",text:"XMPP timeout"});
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}
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else {
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node.error(err,err);
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node.status({fill:"red",shape:"ring",text:"node-red:common.status.error"});
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}
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}
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});
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// Meat of it, a stanza object contains chat messages (and other things)
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xmpp.on('stanza', async (stanza) =>{
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// node.log("Received stanza");
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if (RED.settings.verbose || LOGITALL) {node.log(stanza); }
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if (stanza.is('message')) {
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if (stanza.attrs.type == 'chat') {
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var body = stanza.getChild('body');
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if (body) {
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var msg = { payload:body.getText() };
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var ids = stanza.attrs.from.split('/');
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if (ids[1].length !== 36) {
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msg.topic = stanza.attrs.from
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}
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else { msg.topic = ids[0]; }
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// if (RED.settings.verbose || LOGITALL) {node.log("Received a message from "+stanza.attrs.from); }
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if (!node.join && ((node.from === "") || (node.from === stanza.attrs.to))) {
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node.send([msg,null]);
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}
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}
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}
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else if (stanza.attrs.type == 'groupchat') {
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const parts = stanza.attrs.from.split("/");
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var conference = parts[0];
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var from = parts[1];
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var body = stanza.getChild('body');
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var payload = "";
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if ("undefined" !== typeof body) {
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payload = body.getText();
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}
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var msg = { topic:from, payload:payload, room:conference };
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if (stanza.attrs.from != node.nick) {
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if ((node.join) && (node.from === conference)) {
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node.send([msg,null]);
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}
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}
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}
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}
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else if (stanza.is('presence')) {
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if (['subscribe','subscribed','unsubscribe','unsubscribed'].indexOf(stanza.attrs.type) > -1) {
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// this isn't for us, let the config node deal with it.
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}
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else{
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var statusText="";
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if (stanza.attrs.type === 'unavailable') {
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// the user might not exist, but the server doesn't tell us that!
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statusText = "offline";
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}
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var status = stanza.getChild('status');
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if ("undefined" !== typeof status) {
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statusText = status.getText();
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}
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// right, do we care if there's no status?
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if (statusText !== "") {
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var from = stanza.attrs.from;
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var state = stanza.attrs.show;
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var msg = {topic:from, payload: {presence:state, status:statusText} };
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node.send([null,msg]);
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}
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else{
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if (RED.settings.verbose || LOGITALL) {
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node.log("not propagating blank status");
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node.log(stanza);
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}
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}
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}
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}
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});
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// xmpp.on('subscribe', from => {
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// xmpp.acceptSubscription(from);
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// });
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//register with config
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this.serverConfig.register(this);
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// Now actually make the connection
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try {
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if (xmpp.status === "online") {
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node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
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}
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else{
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node.status({fill:"grey",shape:"dot",text:"node-red:common.status.connecting"});
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if (xmpp.status === "offline") {
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if (RED.settings.verbose || LOGITALL) {
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node.log("starting xmpp client");
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}
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xmpp.start().catch(error => {node.warn("Got error on start: "+error); node.warn("XMPP Status is now: "+xmpp.status)});
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}
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}
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}
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catch(e) {
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node.error("Bad xmpp configuration; service: "+xmpp.options.service+" jid: "+node.serverConfig.jid);
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node.warn(e);
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node.warn(e.stack);
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node.status({fill:"red",shape:"ring",text:"node-red:common.status.disconnected"});
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}
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node.on("close", function(removed, done) {
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node.status({fill:"red",shape:"ring",text:"node-red:common.status.disconnected"});
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node.serverConfig.deregister(node, done);
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});
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}
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RED.nodes.registerType("xmpp in",XmppInNode);
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function XmppOutNode(n) {
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RED.nodes.createNode(this,n);
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this.server = n.server;
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this.serverConfig = RED.nodes.getNode(this.server);
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this.nick = this.serverConfig.nickname || this.serverConfig.username.split("@")[0];
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this.join = n.join || false;
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this.sendAll = n.sendObject;
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this.to = n.to || "";
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var node = this;
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var xmpp = this.serverConfig.client;
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/* connection states
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online: We are connected
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offline: disconnected and will not autoretry
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connecting: Socket is connecting
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connect: Socket is connected
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opening: Stream is opening
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open: Stream is open
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closing: Stream is closing
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close: Stream is closed
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disconnecting: Socket is disconnecting
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disconnect: Socket is disconnected
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*/
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xmpp.on('online', function(data) {
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node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
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if ((node.join) && (node.to !== "")) {
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// disable chat history
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var to = node.to+'/'+node.nick;
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// the presence with the muc x element signifies we want to join the muc
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// if we want to support passwords, we need to add that as a child of the x element
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// (third argument to the x/muc/children )
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// We also turn off chat history (maxstanzas 0) because that's not what this node is about.
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var stanza = xml('presence',
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{"to": to},
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xml("x",'http://jabber.org/protocol/muc'),
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{ maxstanzas:0, seconds:1 }
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);
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node.serverConfig.used(node);
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xmpp.send(stanza);
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}
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});
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xmpp.on('connecting', async address => {
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node.status({fill:"grey",shape:"dot",text:"node-red:common.status.connecting"});
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});
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xmpp.on('connect', async address => {
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node.status({fill:"grey",shape:"dot",text:"node-red:common.status.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); }
|
|
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"});
|
|
}
|
|
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 "+xmpp.options.service,err);
|
|
node.status({fill:"red",shape:"ring",text:"bad address"});
|
|
}
|
|
else if (err === "XMPP authentication failure") {
|
|
node.error(err,err);
|
|
node.status({fill:"red",shape:"ring",text:"XMPP authentication failure"});
|
|
}
|
|
else if (err == "TimeoutError") {
|
|
// OK, this happens with OpenFire, suppress it.
|
|
node.status({fill:"grey",shape:"dot",text:"opening"});
|
|
node.log("Timed out! ",err);
|
|
// node.status({fill:"red",shape:"ring",text:"XMPP timeout"});
|
|
}
|
|
else {
|
|
node.error("Unknown error: "+err,err);
|
|
node.status({fill:"red",shape:"ring",text:"node-red:common.status.error"});
|
|
}
|
|
}
|
|
});
|
|
|
|
//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:"node-red:common.status.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:"node-red:common.status.error"});
|
|
});
|
|
}
|
|
}
|
|
|
|
// Let's get down to business and actually send a message
|
|
node.on("input", function(msg) {
|
|
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 to = node.to || msg.topic || "";
|
|
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 {
|
|
var to = node.to || msg.topic || "";
|
|
if (to !== "") {
|
|
var message;
|
|
var type = node.join? "groupchat":"chat";
|
|
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())
|
|
);
|
|
}
|
|
}
|
|
node.serverConfig.used(node);
|
|
xmpp.send(message);
|
|
}
|
|
}
|
|
});
|
|
|
|
node.on("close", function(removed, done) {
|
|
if (RED.settings.verbose || LOGITALL) {node.log("Closing"); }
|
|
node.status({fill:"red",shape:"ring",text:"node-red:common.status.disconnected"});
|
|
node.serverConfig.deregister(node, done);
|
|
});
|
|
}
|
|
RED.nodes.registerType("xmpp out",XmppOutNode);
|
|
}
|