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|
{-# LANGUAGE OverloadedStrings #-}
module Sproxy.Application.Cookie (
AuthCookie(..)
, AuthUser
, cookieDecode
, cookieEncode
, getEmail
, getEmailUtf8
, getFamilyNameUtf8
, getGivenNameUtf8
, newUser
, setFamilyName
, setGivenName
) where
import Data.ByteString (ByteString)
import Data.Text (Text, toLower, strip)
import Data.Text.Encoding (decodeUtf8, encodeUtf8)
import Foreign.C.Types (CTime(..))
import qualified Data.Serialize as DS
import qualified Sproxy.Application.State as State
data AuthUser = AuthUser {
auEmail :: ByteString
, auGivenName :: ByteString
, auFamilyName :: ByteString
}
data AuthCookie = AuthCookie {
acUser :: AuthUser
, acExpiry :: CTime
}
instance DS.Serialize AuthCookie where
put c = DS.put (auEmail u, auGivenName u, auFamilyName u, x)
where u = acUser c
x = (\(CTime i) -> i) $ acExpiry c
get = do
(e, n, f, x) <- DS.get
return AuthCookie {
acUser = AuthUser { auEmail = e, auGivenName = n, auFamilyName = f }
, acExpiry = CTime x
}
cookieDecode :: ByteString -> ByteString -> Either String AuthCookie
cookieDecode key d = State.decode key d >>= DS.decode
cookieEncode :: ByteString -> AuthCookie -> ByteString
cookieEncode key = State.encode key . DS.encode
getEmail :: AuthUser -> Text
getEmail = decodeUtf8 . auEmail
getEmailUtf8 :: AuthUser -> ByteString
getEmailUtf8 = auEmail
getGivenNameUtf8 :: AuthUser -> ByteString
getGivenNameUtf8 = auGivenName
getFamilyNameUtf8 :: AuthUser -> ByteString
getFamilyNameUtf8 = auFamilyName
newUser :: Text -> AuthUser
newUser email = AuthUser {
auEmail = encodeUtf8 . toLower . strip $ email
, auGivenName = ""
, auFamilyName = ""
}
setGivenName :: Text -> AuthUser -> AuthUser
setGivenName given au = au{ auGivenName = encodeUtf8 . strip $ given }
setFamilyName :: Text -> AuthUser -> AuthUser
setFamilyName family au = au{ auFamilyName = encodeUtf8 . strip $ family }
|
