Added product identification by subdomain

worker.js

@@ -11,9 +11,24 @@ function isInArray(value, array) {
  * @param {Request} request
  */
 async function handleRequest(request) {
- path = new URL(request.url).pathname;
 
- return new Response('Welcome to mirror.wales', {
+ const PRODUCT_NAME = "mirror.wales"
+
+ let host = new URL(request.url).host
+ let path = new URL(request.url).pathname;
+
+ // Now we do some syntax checking to ensure the host is valid
+ if (host.includes(`.${PRODUCT_NAME}`) == false) {
+ return new Response(`You requested an invalid host. Please visit our website at ${PRODUCT_NAME}`, {
+ headers: {
+ 'Content-Type': 'text/plain'
+ }
+ })
+ }
+
+ // Now we fetch the subdomain from the host
+ let product = host.replace(`.${PRODUCT_NAME}`, '')
+ return new Response(product, {
  headers: {
  'Content-Type': 'text/plain'
  }