auth.py 文件源码

def authenticate(self, request: Request) -> Tuple[User, Any]:
        """
        Get access token from request, try to find user with such access token.
        Args:
            request: Request with access_token query param / session key.

        Returns:
            Tuple of user and auth object (e.g. token or None).

        """

        access_token = request.query_params.get('access_token', None) or \
                       request.session.get('access_token', None)

        if not access_token:
            raise exceptions.AuthenticationFailed('No access token passed')

        try:
            user = User.objects.get(access_token=access_token)
        except User.DoesNotExist:
            raise exceptions.AuthenticationFailed('No such user')

        return user, None