jwtcoding.py

from jose import jwt
import os
from dotenv import load_dotenv
from datetime import datetime, timedelta
load_dotenv()
SECRET_KEY = os.getenv("SECRET_KEY")
ALGORITHM = os.getenv("ALGORITHM")

def encode_jwt(user_id: str, access_token: str, expires_delta: timedelta = timedelta(days=130)) -> str:
    """Encode user_id and access_token into a JWT."""
    payload = {
        "user_id": user_id,
        "access_token": access_token,
        "exp": datetime.now() + expires_delta  # Expiration time
    }
    return jwt.encode(payload, SECRET_KEY, algorithm=ALGORITHM)

def decode_jwt(encoded: str) -> tuple[str, str]:
    """Decode the JWT back into user_id and access_token."""
    try:
        payload = jwt.decode(encoded, SECRET_KEY, algorithms=[ALGORITHM])
        return payload["user_id"], payload["access_token"]
    except jwt.JWTError as e:
        raise ValueError(f"Invalid or expired token: {str(e)}")