Andrei Neagoie Python Hot! 🎁 Tested

import jwt from jwt.exceptions import InvalidTokenError, ExpiredSignatureError class AuthenticationError(Exception): """Base exception for authentication errors""" pass

def validate_token(self, token: str) -> Dict: """ Validate and decode JWT token Args: token: JWT token string Returns: Decoded token payload Raises: AuthenticationError: If token is invalid or expired """ try: payload = jwt.decode( token, self.secret_key, algorithms=['HS256'] ) return payload except ExpiredSignatureError: raise AuthenticationError("Token has expired") except InvalidTokenError as e: raise AuthenticationError(f"Invalid token: str(e)") class RateLimiter: """Simple in-memory rate limiter for authentication attempts""" andrei neagoie python

# Register user try: user = auth_service.register_user("user@example.com", "MySecurePass123!") print(f"✅ User registered: user.email") except ValidationError as e: print(f"❌ Registration failed: e") import jwt from jwt