servant/servant-client-core/src/Servant/Client/Core/Internal/Auth.hs

34 lines
1.2 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeSynonymInstances #-}
-- | Authentication for clients
module Servant.Client.Core.Internal.Auth where
import Servant.Client.Core.Internal.Request
(Request)
-- | For a resource protected by authentication (e.g. AuthProtect), we need
-- to provide the client with some data used to add authentication data
-- to a request
--
-- NOTE: THIS API IS EXPERIMENTAL AND SUBJECT TO CHANGE
type family AuthClientData a :: *
-- | For better type inference and to avoid usage of a data family, we newtype
-- wrap the combination of some 'AuthClientData' and a function to add authentication
-- data to a request
--
-- NOTE: THIS API IS EXPERIMENTAL AND SUBJECT TO CHANGE
newtype AuthenticatedRequest a =
AuthenticatedRequest { unAuthReq :: (AuthClientData a, AuthClientData a -> Request -> Request) }
-- | Handy helper to avoid wrapping datatypes in tuples everywhere.
--
-- NOTE: THIS API IS EXPERIMENTAL AND SUBJECT TO CHANGE
mkAuthenticatedRequest :: AuthClientData a
-> (AuthClientData a -> Request -> Request)
-> AuthenticatedRequest a
mkAuthenticatedRequest val func = AuthenticatedRequest (val, func)