yesod-auth: redirectToReferer

yesod-auth/Yesod/Auth.hs

@@ -96,6 +96,11 @@ class (Yesod m, SinglePiece (AuthId m), RenderMessage m FormMessage) => YesodAut
                       -> AuthMessage -> Text
     renderAuthMessage _ _ = defaultMessage
 
+    -- | After login and logout, redirect to the referring page, instead of
+    -- 'loginDest' and 'logoutDest'. Default is 'False'.
+    redirectToReferer :: m -> Bool
+    redirectToReferer _ = False
+
 mkYesodSub "Auth"
     [ ClassP ''YesodAuth [VarT $ mkName "master"]
     ]
@@ -149,11 +154,16 @@ $nothing
             [ (T.pack "logged_in", Bool $ maybe False (const True) creds)
             ]
 
+setUltDestReferer' :: YesodAuth master => GHandler sub master ()
+setUltDestReferer' = do
+    m <- getYesod
+    when (redirectToReferer m) setUltDestReferer
+
 getLoginR :: YesodAuth m => GHandler Auth m RepHtml
-getLoginR = setUltDestReferer >> loginHandler
+getLoginR = setUltDestReferer' >> loginHandler
 
 getLogoutR :: YesodAuth m => GHandler Auth m ()
-getLogoutR = setUltDestReferer >> postLogoutR -- FIXME redirect to post
+getLogoutR = setUltDestReferer' >> postLogoutR -- FIXME redirect to post
 
 postLogoutR :: YesodAuth m => GHandler Auth m ()
 postLogoutR = do

yesod-auth/openid.hs

@@ -20,14 +20,20 @@ mkYesod "BID" [parseRoutes|
 /auth AuthR Auth getAuth
 |]
 
-getRootR :: Handler ()
+getRootR :: Handler RepHtml
-getRootR = redirect RedirectTemporary $ AuthR LoginR
+getRootR = getAfterLoginR
 
 getAfterLoginR :: Handler RepHtml
 getAfterLoginR = do
     mauth <- maybeAuthId
     defaultLayout $ addHamlet [hamlet|
 <p>Auth: #{show mauth}
+$maybe _ <- mauth
+    <p>
+        <a href=@{AuthR LogoutR}>Logout
+$nothing
+    <p>
+        <a href=@{AuthR LoginR}>Login
 |]
 
 instance Yesod BID where

yesod-auth/yesod-auth.cabal

@@ -1,5 +1,5 @@
 name:            yesod-auth
-version:         0.7.3
+version:         0.7.4
 license:         BSD3
 license-file:    LICENSE
 author:          Michael Snoyman, Patrick Brisbin