Step 2 - Setup the server

Author: Srushtika

server.js

@@ -0,0 +1,38 @@
+var jwt = require("jsonwebtoken")
+//You must use your own API key
+//For a dummy API key I2E_JQ.79AfrA:sw2y9zarxwl0Lw5a
+var appId = 'I2E_JQ'
+var keyId = '79AfrA'
+var keySecret = 'sw2y9zarxwl0Lw5a'
+var ttlSeconds = 60
+
+var jwtPayload =
+    {
+        'x-ably-capability': JSON.stringify({ '*': ['publish', 'subscribe'] })
+    }
+var jwtOptions =
+    {
+        expiresIn: ttlSeconds,
+        keyid: `${appId}.${keyId}`
+    }
+
+var express = require('express'),
+    app = express();
+app.use('/', express.static(__dirname))
+app.get('/auth', function (req, res) {
+    console.log('Sucessfully connected to the server auth endpoint')
+    jwt.sign(jwtPayload, keySecret, jwtOptions, function (err, tokenId) {
+        console.log('JSON Web Token signed by auth server')
+        if (err) {
+            console.trace()
+            return
+        }
+        res.header('Cache-Control', 'private, no-cache, no-store, must-revalidate');
+        res.setHeader('Content-Type', 'application/json');
+        console.log('Sending signed JWT token back to client')
+        res.send(JSON.stringify(tokenId));
+    })
+});
+app.listen(3000, function () {
+    console.log('Web server listening on port 3000');
+});