in hmac/play/play_2-9/src/main/scala/com/gu/pandahmac/HmacAuthActions.scala [49:52]
def apiAuthByPanda[A](request: Request[A], block: RequestHandler[A]): Future[Result] =
APIAuthAction.invokeBlock(request, (request: UserRequest[A]) => {
block(new UserRequest(request.user, request))
})