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Mqtt proxy configuration for websocket connection, #1651.

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Stefan Machmeier 2018-03-01 17:22:39 +01:00 committed by Nick O'Leary
parent f809377de8
commit c0e7d6d826
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2 changed files with 21 additions and 1 deletions
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19
nodes/core/io/10-mqtt.js
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@ -19,6 +19,8 @@ module.exports = function(RED) {
var mqtt = require("mqtt");
var util = require("util");
var isUtf8 = require('is-utf8');
var HttpsProxyAgent = require('https-proxy-agent');
var url = require('url');
function matchTopic(ts,t) {
if (ts == "#") {
@ -109,12 +111,29 @@ module.exports = function(RED) {
if (typeof this.cleansession === 'undefined') {
this.cleansession = true;
}
var prox;
if (process.env.http_proxy != null) { prox = process.env.http_proxy; }
if (process.env.HTTP_PROXY != null) { prox = process.env.HTTP_PROXY; }
// Create the URL to pass in to the MQTT.js library
if (this.brokerurl === "") {
// if the broker may be ws:// or wss:// or even tcp://
if (this.broker.indexOf("://") > -1) {
this.brokerurl = this.broker;
// Only for ws or wss, check if proxy env var for additional configuration
if (this.brokerurl.indexOf("wss://") > -1 || this.brokerurl.indexOf("ws://") > -1 )
// check if proxy is set in env
if (prox) {
var parsedUrl = url.parse(this.brokerurl);
var proxyOpts = url.parse(prox);
// true for wss
proxyOpts.secureEndpoint = parsedUrl.protocol ? parsedUrl.protocol === 'wss:' : true;
// Set Agent for wsOption in MQTT
var agent = new HttpsProxyAgent(proxyOpts);
this.options.wsOptions = {
agent: agent
}
}
} else {
// construct the std mqtt:// url
if (this.usetls) {

1
package.json
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@ -49,6 +49,7 @@
"fs-extra": "5.0.0",
"fs.notify": "0.0.4",
"hash-sum": "1.0.2",
"https-proxy-agent": "2.2.1",
"i18next": "11.6.0",
"is-utf8": "0.2.1",
"js-yaml": "3.12.0",