73 lines
2.3 KiB
Haskell
73 lines
2.3 KiB
Haskell
{-# LANGUAGE QuasiQuotes #-}
|
|
{-# LANGUAGE OverloadedStrings #-}
|
|
module Yesod.Auth.BrowserId
|
|
( authBrowserId
|
|
, authBrowserIdAudience
|
|
) where
|
|
|
|
import Yesod.Auth
|
|
import Web.Authenticate.BrowserId
|
|
import Data.Text (Text)
|
|
import Yesod.Core
|
|
import Text.Hamlet (hamlet)
|
|
import qualified Data.Text as T
|
|
import Data.Maybe (fromMaybe)
|
|
import Control.Monad.IO.Class (liftIO)
|
|
import Control.Exception (throwIO)
|
|
|
|
pid :: Text
|
|
pid = "browserid"
|
|
|
|
complete :: Route Auth
|
|
complete = PluginR pid []
|
|
|
|
-- | Log into browser ID with an audience value determined from the 'approot'.
|
|
authBrowserId :: YesodAuth m => AuthPlugin m
|
|
authBrowserId = helper Nothing
|
|
|
|
-- | Log into browser ID with the given audience value. Note that this must be
|
|
-- your actual hostname, or login will fail.
|
|
authBrowserIdAudience
|
|
:: YesodAuth m
|
|
=> Text -- ^ audience
|
|
-> AuthPlugin m
|
|
authBrowserIdAudience = helper . Just
|
|
|
|
helper :: YesodAuth m
|
|
=> Maybe Text -- ^ audience
|
|
-> AuthPlugin m
|
|
helper maudience = AuthPlugin
|
|
{ apName = pid
|
|
, apDispatch = \m ps ->
|
|
case (m, ps) of
|
|
("GET", [assertion]) -> do
|
|
master <- getYesod
|
|
audience <-
|
|
case maudience of
|
|
Just a -> return a
|
|
Nothing -> do
|
|
tm <- getRouteToMaster
|
|
r <- getUrlRender
|
|
return $ T.takeWhile (/= '/') $ stripScheme $ r $ tm LoginR
|
|
memail <- lift $ checkAssertion audience assertion (authHttpManager master)
|
|
case memail of
|
|
Nothing -> liftIO $ throwIO InvalidBrowserIDAssertion
|
|
Just email -> setCreds True Creds
|
|
{ credsPlugin = pid
|
|
, credsIdent = email
|
|
, credsExtra = []
|
|
}
|
|
(_, []) -> badMethod
|
|
_ -> notFound
|
|
, apLogin = \toMaster -> do
|
|
addScriptRemote browserIdJs
|
|
toWidget [hamlet|
|
|
$newline never
|
|
<p>
|
|
<a href="javascript:navigator.id.getVerifiedEmail(function(a){if(a)document.location='@{toMaster complete}/'+a});">
|
|
<img src="https://browserid.org/i/sign_in_green.png">
|
|
|]
|
|
}
|
|
where
|
|
stripScheme t = fromMaybe t $ T.stripPrefix "//" $ snd $ T.breakOn "//" t
|