🔒 Adds support for native SSL

services/ssl-server.js

@@ -0,0 +1,40 @@
+const fs = require('fs');
+const util = require('util');
+const https = require('https');
+
+const promise = util.promisify;
+const stat = promise(fs.stat);
+
+module.exports = (app) => {
+  const httpsCerts = {
+    private: '/etc/ssl/certs/dashy-priv.key',
+    public: '/etc/ssl/certs/dashy-pub.pem',
+  };
+
+  const isDocker = !!process.env.IS_DOCKER;
+  const SSLPort = process.env.SSL_PORT || (isDocker ? 443 : 4001);
+
+  const printSuccess = () => {
+    console.log(`🔐 HTTPS server successfully started (port: ${SSLPort} ${isDocker ? 'of container' : ''})`);
+  };
+
+  const printNotSoGood = (msg) => {
+    console.log(`SSL Not Enabled: ${msg}`);
+  };
+
+  /* Starts SSL-secured node server */
+  const startSSLServer = () => {
+    const httpsServer = https.createServer({
+      key: fs.readFileSync(httpsCerts.private),
+      cert: fs.readFileSync(httpsCerts.public),
+    }, app);
+    httpsServer.listen(SSLPort, () => { printSuccess(); });
+  };
+
+  /* Check if SSL certs present, if so also start the HTTPS server */
+  stat(httpsCerts.public).then(() => {
+    stat(httpsCerts.private).then(() => {
+      startSSLServer();
+    }).catch(() => { printNotSoGood('Private key not present'); });
+  }).catch(() => { printNotSoGood('Public key not present'); });
+};