mirror of
https://github.com/node-red/node-red-nodes.git
synced 2025-03-01 10:37:43 +00:00
XMPP node - now with credentials. And multiple connections and
clean disconnects.
This commit is contained in:
Dave C-J
@@ -1,5 +1,5 @@
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/**
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* Copyright 2013 IBM Corp.
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* Copyright 2013,2014 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -14,48 +14,92 @@
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* limitations under the License.
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**/
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var orig=console.warn;
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console.warn=(function() { // suppress warning from stringprep when not needed)
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var orig=console.warn;
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return function() {
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//orig.apply(console, arguments);
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};
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})();
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module.exports = function(RED) {
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"use strict";
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var XMPP = require('simple-xmpp');
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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var xmpp = require('simple-xmpp');
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console.warn = orig;
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try { var xmppkey = RED.settings.xmpp || require(process.env.NODE_RED_HOME+"/../xmppkeys.js"); }
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catch(err) { }
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try {
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var xmppkey = RED.settings.xmpp || require(process.env.NODE_RED_HOME+"/../xmppkeys.js");
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} catch(err) {
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throw new Error("Failed to load XMPP credentials");
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}
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function XmppNode(n) {
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function XMPPServerNode(n) {
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RED.nodes.createNode(this,n);
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this.server = n.server;
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this.port = n.port;
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this.nickname = n.nickname;
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var credentials = RED.nodes.getCredentials(n.id);
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if (credentials) {
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this.username = credentials.user;
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this.password = credentials.password;
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}
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}
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RED.nodes.registerType("xmpp-server",XMPPServerNode);
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var querystring = require('querystring');
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RED.httpAdmin.get('/xmpp-server/:id',function(req,res) {
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var credentials = RED.nodes.getCredentials(req.params.id);
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if (credentials) {
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res.send(JSON.stringify({user:credentials.user,hasPassword:(credentials.password&&credentials.password!="")}));
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} else if (xmppkey && xmppkey.jid && xmppkey.password) {
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RED.nodes.addCredentials(req.params.id,{user:xmppkey.jid, password:xmppkey.password, global:true});
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credentials = RED.nodes.getCredentials(req.params.id);
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res.send(JSON.stringify({user:credentials.user,global:credentials.global,hasPassword:(credentials.password&&credentials.password!="")}));
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} else {
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res.send(JSON.stringify({}));
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}
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});
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RED.httpAdmin.delete('/xmpp-server/:id',function(req,res) {
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RED.nodes.deleteCredentials(req.params.id);
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res.send(200);
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});
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RED.httpAdmin.post('/xmpp-server/:id',function(req,res) {
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var body = "";
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req.on('data', function(chunk) {
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body+=chunk;
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});
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req.on('end', function(){
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var newCreds = querystring.parse(body);
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var credentials = RED.nodes.getCredentials(req.params.id)||{};
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if (newCreds.user == null || newCreds.user == "") {
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delete credentials.user;
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} else {
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credentials.user = newCreds.user;
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}
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if (newCreds.password == "") {
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delete credentials.password;
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} else {
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credentials.password = newCreds.password||credentials.password;
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}
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RED.nodes.addCredentials(req.params.id,credentials);
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res.send(200);
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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.host = this.serverConfig.server;
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this.port = this.serverConfig.port;
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this.nick = this.serverConfig.nickname || "Node-RED";
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this.userid = this.serverConfig.username;
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this.password = this.serverConfig.password;
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this.join = n.join || false;
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this.nick = n.nick || "Node-RED";
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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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setTimeout(function() {
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xmpp.connect({
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jid : xmppkey.jid,
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password : xmppkey.password,
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host : this.server,
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port : this.port,
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skipPresence : true,
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reconnect : false
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});
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}, 5000);
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var xmpp = new XMPP.SimpleXMPP();
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xmpp.on('online', function() {
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node.log('connected to '+node.server);
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xmpp.setPresence('online', node.nick+' online');
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node.log('connected to '+node.host+":"+node.port);
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node.status({fill:"green",shape:"dot",text:"connected"},true);
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//xmpp.setPresence('online', node.nick+' online');
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if (node.join) {
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xmpp.join(node.to+'/'+node.nick);
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}
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@@ -84,39 +128,126 @@ function XmppNode(n) {
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});
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xmpp.on('error', function(err) {
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console.error(err);
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console.error("error",err);
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});
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xmpp.on('close', function(err) {
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node.log('connection closed');
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node.status({fill:"red",shape:"ring",text:"not connected"},true);
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});
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xmpp.on('subscribe', function(from) {
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xmpp.acceptSubscription(from);
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});
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this.on("input", function(msg) {
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var to = msg.topic;
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if (node.to != "") { to = node.to; }
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if (node.sendAll) {
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xmpp.send(to, JSON.stringify(msg), node.join);
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}
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else {
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xmpp.send(to, msg.payload, node.join);
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}
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});
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// Now actually make the connection
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try {
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xmpp.connect({
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jid : node.userid,
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password : node.password,
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host : node.host,
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port : node.port,
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skipPresence : true,
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reconnect : false
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});
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} catch(e) {
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node.error("Bad xmpp configuration");
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node.status({fill:"red",shape:"ring",text:"not connected"},true);
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}
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this.on("close", function() {
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xmpp.setPresence('offline');
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try {
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xmpp.disconnect();
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// TODO - DCJ NOTE... this is not good. It leaves the connection up over a restart - which will end up with bad things happening...
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// (but requires the underlying xmpp lib to be fixed, which does have an open bug request on fixing the close method - and a work around.
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// see - https://github.com/simple-xmpp/node-simple-xmpp/issues/12 for the fix
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} catch(e) {
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this.warn("Due to an underlying bug in the xmpp library this does not disconnect old sessions. This is bad... A restart would be better.");
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}
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node.on("close", function(done) {
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//xmpp.setPresence('offline');
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if (xmpp.conn) { xmpp.conn.end(); }
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xmpp = null;
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done();
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});
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}
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RED.nodes.registerType("xmpp in",XmppInNode);
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RED.nodes.registerType("xmpp",XmppNode);
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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.host = this.serverConfig.server;
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this.port = this.serverConfig.port;
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this.nick = this.serverConfig.nickname || "Node-RED";
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this.userid = this.serverConfig.username;
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this.password = this.serverConfig.password;
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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 = new XMPP.SimpleXMPP();
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xmpp.on('online', function() {
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node.log('connected to '+node.host+":"+node.port);
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node.status({fill:"green",shape:"dot",text:"connected"},true);
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xmpp.setPresence('online', node.nick+' online');
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if (node.join) {
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xmpp.join(node.to+'/'+node.nick);
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}
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});
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xmpp.on('error', function(err) {
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console.error("error",err);
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});
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xmpp.on('close', function(err) {
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node.log('connection closed');
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node.status({fill:"red",shape:"ring",text:"not connected"},true);
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});
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xmpp.on('subscribe', function(from) {
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xmpp.acceptSubscription(from);
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});
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// Now actually make the connection
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try {
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xmpp.connect({
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jid : node.userid,
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password : node.password,
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host : node.host,
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port : node.port,
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skipPresence : true,
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reconnect : false
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});
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} catch(e) {
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node.error("Bad xmpp configuration");
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node.status({fill:"red",shape:"ring",text:"not connected"},true);
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}
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node.on("input", function(msg) {
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if (msg.presence) {
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if (['away', 'dnd', 'xa','chat'].indexOf(msg.presence) > -1 ) {
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xmpp.setPresence(msg.presence, msg.payload);
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}
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else { node.warn("Can't set presence - invalid value"); }
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}
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else {
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var to = msg.topic;
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if (node.to != "") { to = node.to; }
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if (node.sendAll) {
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xmpp.send(to, JSON.stringify(msg), node.join);
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}
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else if (msg.payload) {
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if (typeof(msg.payload) === "object") {
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xmpp.send(to, JSON.stringify(msg.payload), node.join);
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} else {
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xmpp.send(to, msg.payload.toString(), node.join);
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}
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}
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}
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});
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node.on("close", function() {
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xmpp.setPresence('offline');
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if (xmpp.conn) { xmpp.conn.end(); }
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xmpp = null;
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});
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}
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RED.nodes.registerType("xmpp out",XmppOutNode);
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}
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