1 files changed, 44 insertions, 0 deletions
diff --git a/src/Sproxy/Application/Cookie.hs b/src/Sproxy/Application/Cookie.hs
new file mode 100644
index 0000000..07cc162
--- /dev/null
+++ b/src/Sproxy/Application/Cookie.hs
@@ -0,0 +1,44 @@
+module Sproxy.Application.Cookie (
+  AuthCookie(..)
+, AuthUser(..)
+, cookieDecode
+, cookieEncode
+) where
+
+import Data.ByteString (ByteString)
+import Foreign.C.Types (CTime(..))
+import qualified Data.Serialize as DS
+
+import qualified Sproxy.Application.State as State
+
+data AuthUser = AuthUser {
+  auEmail      :: String
+, auGivenName  :: String
+, auFamilyName :: String
+}
+
+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
+
+