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{-# LANGUAGE OverloadedStrings #-}
module Cookie
( makeSimpleCookie
, setCookie
, setSimpleCookie
, getCookie
, getCookies
, deleteCookie
) where
import Control.Monad ( liftM )
import qualified Data.Text as TS
import qualified Data.Text.Encoding as TS
import qualified Data.Text.Lazy.Encoding as TL
import qualified Data.Map as Map
import qualified Data.ByteString.Lazy as BSL
import Data.Time.Clock.POSIX ( posixSecondsToUTCTime )
import Blaze.ByteString.Builder ( toLazyByteString )
import Web.Scotty.Trans
import Web.Cookie
makeSimpleCookie :: TS.Text -> TS.Text -> SetCookie
makeSimpleCookie n v =
def
{ setCookieName = TS.encodeUtf8 n
, setCookieValue = TS.encodeUtf8 v
, setCookiePath = Just $ TS.encodeUtf8 "/"
, setCookieSecure = True
}
setCookie :: (Monad m, ScottyError e) => SetCookie -> ActionT e m ()
setCookie c = addHeader "Set-Cookie" (TL.decodeUtf8 . toLazyByteString $ renderSetCookie c)
setSimpleCookie :: (Monad m, ScottyError e) => TS.Text -> TS.Text -> ActionT e m ()
setSimpleCookie n v = setCookie $ makeSimpleCookie n v
getCookie :: (Monad m, ScottyError e) => TS.Text -> ActionT e m (Maybe TS.Text)
getCookie c = liftM (Map.lookup c) getCookies
getCookies :: (Monad m, ScottyError e) => ActionT e m (Map.Map TS.Text TS.Text)
getCookies =
liftM (Map.fromList . maybe [] parse) $ header "Cookie"
where parse = parseCookiesText . BSL.toStrict . TL.encodeUtf8
deleteCookie :: (Monad m, ScottyError e) => TS.Text -> ActionT e m ()
deleteCookie c = setCookie $ (makeSimpleCookie c "") { setCookieExpires = Just $ posixSecondsToUTCTime 0 }
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