Files

58 lines
1.8 KiB
Python

from typing import Callable
from fastapi import HTTPException
from starlette import status
from starlette.responses import Response
from fastapi_users.db import BaseUserDatabase
from fastapi_users.models import BaseUserDB
credentials_exception = HTTPException(status_code=status.HTTP_401_UNAUTHORIZED)
class BaseAuthentication:
"""
Base adapter for generating and decoding authentication tokens.
Provides dependency injectors to get current active/superuser user.
"""
async def get_login_response(self, user: BaseUserDB, response: Response):
raise NotImplementedError()
def get_current_user(self, user_db: BaseUserDatabase):
raise NotImplementedError()
def get_current_active_user(self, user_db: BaseUserDatabase):
raise NotImplementedError()
def get_current_superuser(self, user_db: BaseUserDatabase):
raise NotImplementedError()
def _get_authentication_method(
self, user_db: BaseUserDatabase
) -> Callable[..., BaseUserDB]:
raise NotImplementedError()
def _get_current_user_base(self, user: BaseUserDB) -> BaseUserDB:
if user is None:
raise self._get_credentials_exception()
return user
def _get_current_active_user_base(self, user: BaseUserDB) -> BaseUserDB:
user = self._get_current_user_base(user)
if not user.is_active:
raise self._get_credentials_exception()
return user
def _get_current_superuser_base(self, user: BaseUserDB) -> BaseUserDB:
user = self._get_current_active_user_base(user)
if not user.is_superuser:
raise self._get_credentials_exception(status.HTTP_403_FORBIDDEN)
return user
def _get_credentials_exception(
self, status_code: int = status.HTTP_401_UNAUTHORIZED
) -> HTTPException:
return HTTPException(status_code=status_code)