Add CORS headers

.gitignore

@@ -2,3 +2,4 @@
 node_modules
 npm-debug.log
 .env
+.idea

config.js

@@ -8,7 +8,7 @@ if (process.env.NODE_ENV !== 'test') {
 }
 
 // HTTP Port to run our web application
-cfg.port = process.env.PORT || 3000;
+cfg.port = process.env.PORT || 3003;
 
 // Your Twilio account SID and auth token, both found at:
 // https://www.twilio.com/user/account

index.js

@@ -5,17 +5,37 @@ const bodyParser = require('body-parser');
 
 const router = require('./src/router');
 
+const config = require('./config');
+
 // Create Express webapp
 const app = express();
+
+// Add headers
+app.all('/*', function(req, res, next) {
+    // CORS headers
+    res.header('Access-Control-Allow-Origin', '*');
+    res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS');
+    res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization, Content-Length, X-Requested-With, Access-Control-Allow-Origin');
+    res.header("Access-Control-Max-Age", "86400"); // 24 hours
+
+    // intercept OPTIONS method
+    if ('OPTIONS' === req.method) {
+        res.send(200);
+    }
+    else {
+        next();
+    }
+});
+
+
 app.use(express.static(path.join(__dirname, 'public')));
 app.use(bodyParser.urlencoded({extended: false}));
 
 app.use(router);
 
 // Create http server and run it
 const server = http.createServer(app);
-const port = process.env.PORT || 3000;
 
-server.listen(port, function() {
-  console.log('Express server running on *:' + port);
+server.listen(config.port, function() {
+  console.log('Express server running on *:' + config.port);
 });

src/handler.js

@@ -4,8 +4,9 @@ const VoiceResponse = require('twilio').twiml.VoiceResponse;
 const nameGenerator = require('../name_generator');
 const config = require('../config');
 
+const identity = nameGenerator();
+
 exports.tokenGenerator = function tokenGenerator() {
-  const identity = nameGenerator();
   const capability = new ClientCapability({
     accountSid: config.accountSid,
     authToken: config.authToken,
@@ -44,6 +45,15 @@ exports.voiceResponse = function voiceResponse(toNumber) {
   return twiml.toString();
 };
 
+exports.voiceIncoming = function voiceResponse() {
+    // Create a TwiML voice response
+    const response = new VoiceResponse();
+    const dial = response.dial();
+    dial.client(identity);
+    console.log(response.toString())
+    return response.toString();
+};
+
 /**
 * Checks if the given value is valid as phone number
 * @param {Number|String} number

src/router.js

@@ -1,6 +1,6 @@
 const Router = require('express').Router;
 
-const {tokenGenerator, voiceResponse} = require('./handler');
+const {tokenGenerator, voiceResponse, voiceIncoming} = require('./handler');
 
 const router = new Router();
 
@@ -17,4 +17,9 @@ router.post('/voice', (req, res) => {
   res.send(voiceResponse(req.body.To));
 });
 
+router.post('/incoming', (req, res) => {
+    res.set('Content-Type', 'text/xml');
+    res.send(voiceIncoming());
+});
+
 module.exports = router;