Backend: expect the subprotocol flowey for WebSocket connections.

Author: paveloom

backend/server/ws.go

@@ -102,7 +102,10 @@ func newWsHandler() *wsHandler {
 func (handler *wsHandler) handle(userID db.UserID, writer http.ResponseWriter, request *http.Request) error {
 	defer handler.waitGroup.Done()
 
-	options := websocket.AcceptOptions{InsecureSkipVerify: true}
+	options := websocket.AcceptOptions{
+		InsecureSkipVerify: true,
+		Subprotocols:       []string{"flowey"},
+	}
 	conn, err := websocket.Accept(writer, request, &options)
 	if err != nil {
 		return err

pwa/src/ws.ts

@@ -13,7 +13,7 @@ class WebSocketService {
   }
 
   connect(url: URL) {
-    this.ws = new WebSocket(url);
+    this.ws = new WebSocket(url, ["flowey"]);
 
     this.ws.onopen = () => {
       console.log("[Websocket] Connected");