Allow connections from all origins.

server/game.go

@@ -106,7 +106,7 @@ func (game *chessGame) handle() {
 }
 
 func addPlayersToGame(players [2]Player) {
-	log.Printf("Adding players \n%d\n%d\nto new game", players[0].id, players[1].id)
+	log.Printf("Adding players %d and %d to new game", players[0].id, players[1].id)
 	game := NewChessGame(rand.Int(), players)
 
 	go game.handle()

server/server.go

@@ -14,6 +14,9 @@ var upgrader = websocket.Upgrader{} // use default options
 func SocketHandler(w http.ResponseWriter, r *http.Request) {
 	log.Println("SocketHandler invoked")
 
+	// Allow connections from any origin
+	upgrader.CheckOrigin = func(r *http.Request) bool { return true }
+
 	conn, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {
 		log.Print("Error during connection upgrading:", err)