├── .gitignore
├── README.md
└── mqtt2rest.js


/.gitignore:
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1 | node_modules
2 | 


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/README.md:
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 1 | # mqtt2rest -- An MQTT to REST Bridge
 2 | 
 3 | Allows connecting traditional REST web services with MQTT.
 4 | 
 5 | Usage:
 6 | 
 7 |     # edit mqtt2rest.js to configure REST endpoint
 8 |     vim mqtt2rest.js 
 9 | 
10 |     # install dependencies
11 |     npm install mqtt
12 | 
13 |     # run bridge
14 |     node mqtt2rest.js
15 | 
16 | Diagram:
17 | 
18 |     ----------------------------    ---------------    -------------     ---------------
19 |     | End Device (MQTT Client) |----| MQTT Broker |----| mqtt2rest |-----| REST WebApp |
20 |     ----------------------------    ---------------    -------------     ---------------
21 |                ^^^^^^^                   ^^^^              ^^^^               ^^^^^
22 |             an IoT "Thing"          such as mosquitto    this program    such as scriptr.io
23 | 
24 | 


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/mqtt2rest.js:
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 1 | /* mqtt2rest.js */
 2 | 
 3 | /* mqtt init */ 
 4 | var mqtt    = require('mqtt');
 5 | var mqtt_client  = mqtt.connect('mqtt://croft.thethings.girovito.nl');
 6 | 
 7 | /* http init */ 
 8 | var https = require('https');
 9 | var options = {
10 |   host: 'api.scriptrapps.io',
11 |   path: '/ttn_test',
12 |   //port: '1337', // optional port
13 |   method: 'POST',
14 |   headers: {
15 |     Authorization: "bearer TTUyMDg1MjNCMDpzY3JpcHRyOjhCNDE0NTVERkYwNjhEMDQ2QkNBMDQwNUVGMjg3MTFG"
16 |   },
17 | };
18 | 
19 | /* display data returned from REST service */
20 | rest_callback = function(response) {
21 |   var str = ''
22 |   response.on('data', function (chunk) {
23 |     str += chunk;
24 |   });
25 | 
26 |   response.on('end', function () {
27 |     console.log(str);
28 |   });
29 | }
30 | 
31 | /* subscribe to some topics */
32 | mqtt_client.on('connect', function () {
33 |   mqtt_client.subscribe('nodes/ABABCCED/packets');
34 |   mqtt_client.subscribe('gateways/008000000000ABFF/status');
35 | });
36 | 
37 | /* forward MQTT packets to REST */
38 | mqtt_client.on('message', function (topic, message) {
39 |   console.log("MQTT Received Packet from TTN: ",message.toString());
40 | 
41 |   console.log("Pushing to REST API... ");
42 | 
43 |   var req = https.request(options, rest_callback);
44 |   req.write(JSON.stringify({topic: topic, message: message.toString()}))
45 |   req.end();
46 | 
47 | });
48 | 
49 | 


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