import requests

class AuditLogUserMixin(object):


  def perform_authentication(self, request):

    auth = self.request.META.get("HTTP_AUTHORIZATION", None)

    if not auth:
      exception = {"code": "authorization_header_missing",
                   "description":
                     "Authorization header is expected"}

      raise AuthenticationFailed(detail=exception)

    parts = auth.split()

    if parts[0].lower() != "bearer":
      exception = {"code": "invalid_header",
                   "description":
                     "Authorization header must start with"
                     " Bearer"}
      raise AuthenticationFailed(detail=exception)

    elif len(parts) == 1:
      exception = {"code": "invalid_header",
                   "description": "Token not found"}
      raise AuthenticationFailed(detail=exception)

    elif len(parts) > 2:
      exception = {"code": "invalid_header",
                   "description":
                     "Authorization header must be"
                     " Bearer token"}

      raise AuthenticationFailed(detail=exception)



    url = "https://oauth2.googleapis.com/tokeninfo?id_token={}".format(token_auth=parts[1])

    payload = {}
    headers = {
      'authorization': self.request.META.get("HTTP_AUTHORIZATION", None)
    }

    response = requests.request("GET", url, headers=headers, data=payload)

    if response.status_code == 200:
      .....
    else:
      exception = {"code": "invalid_header",
                    "description": response.text
                    }
      raise AuthenticationFailed(detail=exception)




    log_user_logged_in_success(sender=request.user.__class__, request=request, user=request.user)


#CONSUMIR MI CLASSS
class UserCreate(AuditLogUserMixin, generics.CreateAPIView):