add cors; add username to signup interface

main.go

@@ -20,7 +20,7 @@ func main() {
 	AddDefaultCustomer(nkodeApi)
 	handler := model.NKodeHandler{Api: &nkodeApi}
 	mux := http.NewServeMux()
-	//mux.Handle(api.CreateNewCustomer, &handler)
+	mux.Handle(api.CreateNewCustomer, &handler)
 	mux.Handle(api.GenerateSignupInterface, &handler)
 	mux.Handle(api.SetNKode, &handler)
 	mux.Handle(api.ConfirmNKode, &handler)
@@ -28,7 +28,25 @@ func main() {
 	mux.Handle(api.Login, &handler)
 	mux.Handle(api.RenewAttributes, &handler)
 	fmt.Println("Running on localhost:8080...")
-	log.Fatal(http.ListenAndServe("localhost:8080", mux))
+	log.Fatal(http.ListenAndServe("localhost:8080", corsMiddleware(mux)))
+}
+
+func corsMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		// Set the CORS headers
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS, PUT, DELETE")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
+
+		// Handle preflight requests
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusNoContent)
+			return
+		}
+
+		// Call the next handler
+		next.ServeHTTP(w, r)
+	})
 }
 
 func AddDefaultCustomer(api nkode.NKodeAPI) {