iza-w · October 7, 2020 19:14 · Aug 30, 2017
diff --git a/lambda-basic-auth.js b/lambda-basic-auth.js
@@ -0,0 +1,31 @@
+'use strict';
+exports.handler = (event, context, callback) => {
+
+    // Get request and request headers
+    const request = event.Records[0].cf.request;
+    const headers = request.headers;
+
+    // Configure authentication
+    const authUser = 'user';
+    const authPass = 'pass';
+
+    // Construct the Basic Auth string
+    const authString = 'Basic ' + new Buffer(authUser + ':' + authPass).toString('base64');
+
+    // Require Basic authentication
+    if (typeof headers.authorization == 'undefined' || headers.authorization[0].value != authString) {
+        const body = 'Unauthorized';
+        const response = {
+            status: '401',
+            statusDescription: 'Unauthorized',
+            body: body,
+            headers: {
+                'www-authenticate': [{key: 'WWW-Authenticate', value:'Basic'}]
+            },
+        };
+        callback(null, response);
+    }
+
+    // Continue request processing if authentication passed
+    callback(null, request);
+};