felicity-lims/felicity/api/rest/deps.py

from apps.common import schemas
from apps.user import models
from core import security
from core.config import settings
from fastapi import Depends, HTTPException, status
from fastapi.security import OAuth2PasswordBearer
from jose import jwt
from pydantic import ValidationError

reusable_oauth2 = OAuth2PasswordBearer(
    tokenUrl=f"{settings.API_V1_STR}/login/access-token"
)


async def get_current_user(token: str = Depends(reusable_oauth2)) -> models.User:
    try:
        payload = jwt.decode(
            token, settings.SECRET_KEY, algorithms=[security.ALGORITHM]
        )
        token_data = schemas.TokenPayload(**payload)
    except (jwt.JWTError, ValidationError):
        raise HTTPException(
            status_code=status.HTTP_403_FORBIDDEN,
            detail="Could not validate credentials",
        )
    user = await models.User.get(uid=token_data.sub)
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    return user


def get_current_active_user(
    current_user: models.User = Depends(get_current_user),
) -> models.User:
    if not current_user.is_active:
        raise HTTPException(status_code=400, detail="Inactive user")
    return current_user


def get_current_active_superuser(
    current_user: models.User = Depends(get_current_user),
) -> models.User:
    if not current_user.is_superuser:
        raise HTTPException(
            status_code=400, detail="The user doesn't have enough privileges"
        )
    return current_user