Files
François Voron 47ad4ce1cc Fix #36: fix token url in auto doc (#38)
* Fix #36: fix token url in auto doc

* Define OAuth scheme in authentication base with default /users/login tokenUrl
* Allow to override it through contructor argument of auth class

* Fix test coverage of BaseAuthentication
2019-11-03 09:20:16 +01:00

71 lines
2.3 KiB
Python

from typing import Callable
from fastapi import HTTPException
from fastapi.security import OAuth2PasswordBearer
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.
:param scheme: Optional authentication scheme for OpenAPI.
Defaults to `OAuth2PasswordBearer(tokenUrl="/users/login")`.
Override it if your login route lives somewhere else.
"""
scheme: OAuth2PasswordBearer
def __init__(self, scheme: OAuth2PasswordBearer = None):
if scheme is None:
self.scheme = OAuth2PasswordBearer(tokenUrl="/users/login")
else:
self.scheme = scheme
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)