yesod-auth-oauth2/Yesod/Auth/OAuth2/EveOnline.hs
2015-06-28 17:26:27 +02:00

117 lines
4.0 KiB
Haskell

{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
-- |
--
-- OAuth2 plugin for http://eveonline.com
--
-- * Authenticates against eveonline
-- * Uses EVEs unique account-user-char-hash as credentials identifier
-- * Returns charName, tokenType and expires as extras
--
module Yesod.Auth.OAuth2.EveOnline
( oauth2Eve
, oauth2EveImage
, oauth2EveScoped
, ImageType(..)
, module Yesod.Auth.OAuth2
) where
#if __GLASGOW_HASKELL__ < 710
import Control.Applicative ((<$>), (<*>))
#endif
import Control.Exception.Lifted
import Control.Monad (mzero)
import Data.Aeson
import Data.Monoid ((<>))
import Data.Text as T (Text,unwords)
import Data.ByteString as B (ByteString)
import Data.Text.Encoding (encodeUtf8, decodeUtf8)
import Network.HTTP.Conduit (Manager)
import Yesod.Auth
import Yesod.Auth.OAuth2
import qualified Data.Text as T
data ImageType
= BigWhite
| SmallWhite
| BigBlack
| SmallBlack
| Custom Text
data EveUser = EveUser
{ eveUserId :: Int
, eveUserName :: Text
, eveUserExpire :: Text
, eveScopes :: [Text]
, eveTokenType :: Text
, eveCharOwnerHash :: Text
}
instance FromJSON EveUser where
parseJSON (Object o) = EveUser
<$> o .: "CharacterID"
<*> o .: "CharacterName"
<*> o .: "ExpiresOn"
<*> (T.words <$> o .: "Scopes")
<*> o .: "TokenType"
<*> o .: "CharacterOwnerHash"
parseJSON _ = mzero
oauth2Eve :: YesodAuth m
=> Text -- ^ Client ID
-> Text -- ^ Client Secret
-> AuthPlugin m
oauth2Eve clientId clientSecret = oauth2EveScoped clientId clientSecret ["publicData"] Nothing
oauth2EveImage :: YesodAuth m
=> Text -- ^ Client ID
-> Text -- ^ Client Secret
-> ImageType
-> AuthPlugin m
oauth2EveImage clientId clientSecret im = oauth2EveScoped clientId clientSecret ["publicData"] (Just . toURI $ im)
where
toURI :: ImageType -> Text
toURI BigWhite = "https://images.contentful.com/idjq7aai9ylm/4PTzeiAshqiM8osU2giO0Y/5cc4cb60bac52422da2e45db87b6819c/EVE_SSO_Login_Buttons_Large_White.png?w=270&h=45"
toURI BigBlack = "https://images.contentful.com/idjq7aai9ylm/4fSjj56uD6CYwYyus4KmES/4f6385c91e6de56274d99496e6adebab/EVE_SSO_Login_Buttons_Large_Black.png?w=270&h=45"
toURI SmallWhite = "https://images.contentful.com/idjq7aai9ylm/18BxKSXCymyqY4QKo8KwKe/c2bdded6118472dd587c8107f24104d7/EVE_SSO_Login_Buttons_Small_White.png?w=195&h=30"
toURI SmallBlack = "https://images.contentful.com/idjq7aai9ylm/12vrPsIMBQi28QwCGOAqGk/33234da7672c6b0cdca394fc8e0b1c2b/EVE_SSO_Login_Buttons_Small_Black.png?w=195&h=30"
toURI (Custom a) = a
oauth2EveScoped :: YesodAuth m
=> Text -- ^ Client ID
-> Text -- ^ Client Secret
-> [Text] -- ^ List of scopes to request
-> Maybe Text -- ^ Login-Image
-> AuthPlugin m
oauth2EveScoped clientId clientSecret scopes = authOAuth2Image "eveonline" oauth fetchEveProfile
where
oauth = OAuth2
{ oauthClientId = encodeUtf8 clientId
, oauthClientSecret = encodeUtf8 clientSecret
, oauthOAuthorizeEndpoint = encodeUtf8 $ "https://login.eveonline.com/oauth/authorize?response_type=code&scope=" <> T.intercalate " " scopes
, oauthAccessTokenEndpoint = "https://login.eveonline.com/oauth/token"
, oauthCallback = Nothing
}
fetchEveProfile :: Manager -> AccessToken -> IO (Creds m)
fetchEveProfile manager token = do
userResult <- authGetJSON manager token "https://login.eveonline.com/oauth/verify"
case userResult of
Right user -> return $ toCreds user token
Left err-> throwIO $ InvalidProfileResponse "eveonline" err
toCreds :: EveUser -> AccessToken -> Creds m
toCreds user token = Creds
{ credsPlugin = "eveonline"
, credsIdent = T.pack $ show $ eveCharOwnerHash user
, credsExtra =
[ ("charName", eveUserName user)
, ("tokenType", eveTokenType user)
, ("expires", eveUserExpire user)
]
}