mqtt stuff added

node_modules/mqtt/lib/connect/ws.js

@@ -0,0 +1,92 @@
+'use strict'
+
+var websocket = require('websocket-stream')
+var urlModule = require('url')
+var WSS_OPTIONS = [
+  'rejectUnauthorized',
+  'ca',
+  'cert',
+  'key',
+  'pfx',
+  'passphrase'
+]
+var IS_BROWSER = process.title === 'browser'
+
+function buildUrl (opts, client) {
+  var url = opts.protocol + '://' + opts.hostname + ':' + opts.port + opts.path
+  if (typeof (opts.transformWsUrl) === 'function') {
+    url = opts.transformWsUrl(url, opts, client)
+  }
+  return url
+}
+
+function setDefaultOpts (opts) {
+  if (!opts.hostname) {
+    opts.hostname = 'localhost'
+  }
+  if (!opts.port) {
+    if (opts.protocol === 'wss') {
+      opts.port = 443
+    } else {
+      opts.port = 80
+    }
+  }
+  if (!opts.path) {
+    opts.path = '/'
+  }
+
+  if (!opts.wsOptions) {
+    opts.wsOptions = {}
+  }
+  if (!IS_BROWSER && opts.protocol === 'wss') {
+    // Add cert/key/ca etc options
+    WSS_OPTIONS.forEach(function (prop) {
+      if (opts.hasOwnProperty(prop) && !opts.wsOptions.hasOwnProperty(prop)) {
+        opts.wsOptions[prop] = opts[prop]
+      }
+    })
+  }
+}
+
+function createWebSocket (client, opts) {
+  var websocketSubProtocol =
+    (opts.protocolId === 'MQIsdp') && (opts.protocolVersion === 3)
+      ? 'mqttv3.1'
+      : 'mqtt'
+
+  setDefaultOpts(opts)
+  var url = buildUrl(opts, client)
+  return websocket(url, [websocketSubProtocol], opts.wsOptions)
+}
+
+function buildBuilder (client, opts) {
+  return createWebSocket(client, opts)
+}
+
+function buildBuilderBrowser (client, opts) {
+  if (!opts.hostname) {
+    opts.hostname = opts.host
+  }
+
+  if (!opts.hostname) {
+    // Throwing an error in a Web Worker if no `hostname` is given, because we
+    // can not determine the `hostname` automatically.  If connecting to
+    // localhost, please supply the `hostname` as an argument.
+    if (typeof (document) === 'undefined') {
+      throw new Error('Could not determine host. Specify host manually.')
+    }
+    var parsed = urlModule.parse(document.URL)
+    opts.hostname = parsed.hostname
+
+    if (!opts.port) {
+      opts.port = parsed.port
+    }
+  }
+  return createWebSocket(client, opts)
+}
+
+if (IS_BROWSER) {
+  module.exports = buildBuilderBrowser
+} else {
+  module.exports = buildBuilder
+}