CORS Error? FastAPI + FastAPI-SocketIO

[BuckLearnsCode]

I'm hitting a 403 locally. Been trying to debug for days.

from flask_socketio import SocketIO from flask_cors import CORS from fastapi import FastAPI, WebSocket, Depends from fastapi_socketio import SocketManager from fastapi.middleware.cors import CORSMiddleware from fastapi.staticfiles import StaticFiles from fastapi.responses import FileResponse

app = FastAPI() app.mount("/static", StaticFiles(directory="front/build", html=True), name="static")

socket_manager = SocketManager(app=app)

Set CORS

origins = [ "http://localhost:3000" ]

app.add_middleware( CORSMiddleware, allow_origins=origins, allow_credentials=True, allow_methods=[""], allow_headers=[""], )

GAME_NAMESPACE = "/game"

if name == "main":

LOCAL

port = int(os.environ.get("PORT", 5001))
import uvicorn
uvicorn.run(app, host="127.0.0.1", port=port, log_level="info")

On Client: const SERVER_URL = 'http://127.0.0.1:5001'; const GAME_NAMESPACE = '/game';

To run locally I'm using: uvicorn server:app --reload --port 5001.

ERRORS: WebSocket connection to 'ws://127.0.0.1:5001/socket.io/?EIO=4&transport=websocket' failed INFO: ('127.0.0.1', 51879) - "WebSocket /socket.io/?EIO=4&transport=websocket" 403 INFO: connection failed (403 Forbidden) INFO: connection closed

Any ideas?

[navi504]

Having this issue, have you resolved it?