Auth for frontend

1 files changed, 29 insertions, 0 deletions

diff --git a/fig-frontend-client/src/Auth.purs b/fig-frontend-client/src/Auth.purs
new file mode 100644
index 0000000..2a53629
--- /dev/null
+++ b/fig-frontend-client/src/Auth.purs
@@ -0,0 +1,29 @@
+module Auth where
+
+import Prelude
+
+import Config (authRedirectURL, clientID)
+import Data.Array (fold)
+import Data.Maybe (Maybe(..))
+import Data.Tuple (Tuple(..))
+import Effect (Effect)
+import Effect.Class (class MonadEffect, liftEffect)
+
+foreign import _startTwitchAuth :: String -> String -> Effect Unit
+startTwitchAuth :: forall m. MonadEffect m => m Unit
+startTwitchAuth = liftEffect $ _startTwitchAuth clientID authRedirectURL
+
+type AuthInfo = Tuple String String
+foreign import _getToken :: forall a. (a -> Maybe a) -> Maybe a -> (a -> a -> Tuple a a) -> Effect (Maybe (Tuple String String))
+getToken :: forall m. MonadEffect m => m (Maybe AuthInfo)
+getToken = liftEffect $ _getToken Just Nothing Tuple
+
+authHeader :: AuthInfo -> String
+authHeader (Tuple t n) =
+  fold
+  [ "FIG-TWITCH token=\""
+  , t
+  , "\", nonce=\""
+  , n
+  , "\""
+  ]