Add cors

Author: LucaScorpion

go.mod

@@ -4,5 +4,6 @@ go 1.15
 
 require (
 	github.com/gorilla/websocket v1.4.2
+	github.com/rs/cors v1.7.0
 	github.com/satori/go.uuid v1.2.0
 )

go.sum

@@ -1,4 +1,6 @@
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/rs/cors v1.7.0 h1:+88SsELBHx5r+hZ8TCkggzSstaWNbDvThkVK8H6f9ik=
+github.com/rs/cors v1.7.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
 github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/TouchDeck/websocket-proxy/pkg/proxy"
+	"github.com/rs/cors"
 	"log"
 	"net/http"
 )
@@ -17,7 +18,8 @@ func main() {
 
 	// Start the HTTP server.
 	log.Println("Starting HTTP server on port 8783")
-	err := http.ListenAndServe(":8783", mux)
+	handler := cors.AllowAll().Handler(mux)
+	err := http.ListenAndServe(":8783", handler)
 	if err != nil {
 		log.Fatalln("Error starting websocket server:", err)
 	}