utils.py

# utils.py
from datetime import datetime, timedelta
from typing import Optional
from jose import jwt
from passlib.context import CryptContext
from dotenv import load_dotenv
import os
from jose import JWTError, jwt


load_dotenv()

SECRET_KEY = os.getenv("SECRET_KEY")
ALGORITHM = os.getenv("ALGORITHM")
ACCESS_TOKEN_EXPIRE_MINUTES = int(os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES"))

# pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
pwd_context = CryptContext(
    schemes=["bcrypt"],
    deprecated="auto",
    bcrypt__rounds=12  # optional
)

def get_password_hash(password):
    return pwd_context.hash(password)

def verify_password(plain_password, hashed_password):
    return pwd_context.verify(plain_password, hashed_password)

def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
    to_encode = data.copy()
    expire = datetime.utcnow() + (expires_delta or timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES))
    to_encode.update({"exp": expire})
    return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)

def verify_token(token: str):
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
        return payload  # contains the data you encoded
    except JWTError:
        return None