Update index.js

Author: vovchynniko

index.js

@@ -1,7 +1,48 @@
 'use strict';
 
 const unleash = require('unleash-server');
+const auth = require('basic-auth');
+const compare = require('tsscmp');
+const cors = require('cors');
 
-let options = {};
+function check(credentials) {
+    let valid = true;
+    valid = compare(credentials.name, process.env.BASIC_AUTH_USERNAME) && valid;
+    valid = compare(credentials.pass, process.env.BASIC_AUTH_PASSWORD) && valid;
+    return valid;
+}
+
+function basicAuth(req, res, next) {
+    const credentials = auth(req);
+
+    if (credentials && check(credentials)) {
+        const user = new unleash.User({email: '[email protected]'});
+        req.user = user;
+        return next();
+    }
+
+    return res
+        .status('401')
+        .set({'WWW-Authenticate': 'Basic realm="unleash"'})
+        .end('access denied');
+}
+
+function preHook(app) {
+    app.use(cors());
+
+    app.use((req, res, next) => {
+        if (req.path.startsWith('/api/client') || req.path === '/health') {
+            return next();
+        }
+
+        return basicAuth(req, res, next);
+    });
+}
+
+const options = {
+    enableLegacyRoutes: false,
+    adminAuthentication: 'custom',
+    preHook: preHook
+}
 
 unleash.start(options);