mqtt stuff added

node_modules/mqtt/examples/tls client/crt.ca.cg.pem

@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
+MIIF7zCCA9egAwIBAgIJAOeJR1p1PU3qMA0GCSqGSIb3DQEBBQUAMIGNMQswCQYD
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+-----END CERTIFICATE-----

node_modules/mqtt/examples/tls client/mqttclient.js

@@ -0,0 +1,48 @@
+'use strict'
+
+/** ************************** IMPORTANT NOTE ***********************************
+
+  The certificate used on this example has been generated for a host named stark.
+  So as host we SHOULD use stark if we want the server to be authorized.
+  For testing this we should add on the computer running this example a line on
+  the hosts file:
+  /etc/hosts [UNIX]
+  OR
+  \System32\drivers\etc\hosts [Windows]
+
+  The line to add on the file should be as follows:
+  <the ip address of the server> stark
+ *******************************************************************************/
+
+var mqtt = require('mqtt')
+var fs = require('fs')
+var path = require('path')
+var KEY = fs.readFileSync(path.join(__dirname, '/tls-key.pem'))
+var CERT = fs.readFileSync(path.join(__dirname, '/tls-cert.pem'))
+var TRUSTED_CA_LIST = fs.readFileSync(path.join(__dirname, '/crt.ca.cg.pem'))
+
+var PORT = 1883
+var HOST = 'stark'
+
+var options = {
+  port: PORT,
+  host: HOST,
+  key: KEY,
+  cert: CERT,
+  rejectUnauthorized: true,
+  // The CA list will be used to determine if server is authorized
+  ca: TRUSTED_CA_LIST,
+  protocol: 'ssl'
+}
+
+var client = mqtt.connect(options)
+
+client.subscribe('messages')
+client.publish('messages', 'Current time is: ' + new Date())
+client.on('message', function (topic, message) {
+  console.log(message)
+})
+
+client.on('connect', function () {
+  console.log('Connected')
+})

node_modules/mqtt/examples/tls client/tls-cert.pem

@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----
+MIICATCCAWoCCQC2pNY4sfld/jANBgkqhkiG9w0BAQUFADBFMQswCQYDVQQGEwJB
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+-----END CERTIFICATE-----

node_modules/mqtt/examples/tls client/tls-key.pem

@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIICXQIBAAKBgQDNcZTWZlQGovCg/V9aSJl7KmIqBYgJR02b53YkdeelAwRUHFK+
+xpEY6fNZW+BsxXGYPufn+n2pAZOPwVj/63Y0elu3Uj2UZXT4GVnEYm/K8eKQQBc8
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+-----END RSA PRIVATE KEY-----