Python WebSocket অ্যাপগুলির জন্য ত্রুটি হ্যান্ডলিং এবং নিরাপত্তা

try:  
    # WebSocket handling code  
except WebSocketError as e:  
    print("WebSocket Error:", e)  
    # Send error message to the user  

try:  
    data = await websocket.receive_text()  
    # Process data  
except ProtocolError as e:  
    print("Protocol Error:", e)  
    # Handle protocol error  

import logging  
  
logging.basicConfig(filename='websocket_errors.log', level=logging.ERROR)  

import jwt  
  
token = jwt.encode({'user_id': user_id}, 'secret_key', algorithm='HS256')  

import hashlib  
  
hashed_data = hashlib.sha256(data.encode()).hexdigest()  

from validate_email_address import validate_email  
  
if validate_email(email):  
    # Handle valid email  

pip install --upgrade library_name

import asyncio  
import websockets  
import logging  
import jwt  
  
async def handle_connection(websocket, path):  
    try:  
        async for message in websocket:  
            # Process data and send a response  
            await websocket.send(f"Server received: {message}")  
    except websockets.exceptions.ConnectionClosedError as e:  
        logging.error("Connection Closed Error:", e)  
    except websockets.exceptions.ProtocolError as e:  
        logging.error("Protocol Error:", e)  
  
async def secure_connection(websocket, path):  
    token = await websocket.recv()  
    try:  
        decoded_token = jwt.decode(token, 'secret_key', algorithms=['HS256'])  
        user_id = decoded_token.get('user_id')  
        if user_id:  
            # Handle user session  
            await websocket.send("Authenticated!")  
    except jwt.ExpiredSignatureError:  
        await websocket.send("Token Expired")  
  
start_server = websockets.serve(handle_connection, "localhost", 8765)  
secure_server = websockets.serve(secure_connection, "localhost", 8888)  
  
asyncio.get_event_loop().run_until_complete(start_server)  
asyncio.get_event_loop().run_until_complete(secure_server)  
asyncio.get_event_loop().run_forever()