code: def authenticate(self, request):
          
  
          from doac.middleware import AuthenticationMiddleware
  
          try:
              response = AuthenticationMiddleware().process_request(request)
          except:
              raise exceptions.AuthenticationFailed("Invalid handler")
  
          if not hasattr(request, "user") or not request.user.is_authenticated():
              return None
  
          if not hasattr(request, "access_token"):
              raise exceptions.AuthenticationFailed("Access token was not valid")
  
          return request.user, request.access_token
docs: Send the request through the authentication middleware that
          is provided with DOAC and grab the user and token from it.