{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
-- |
--
-- OAuth2 plugin for http://eveonline.com
--
-- * Authenticates against eveonline
-- * Uses EVEs unique account-user-char-hash as credentials identifier
--
module Yesod.Auth.OAuth2.EveOnline
  ( oauth2Eve
  , oauth2EveScoped
  , WidgetType(..)
  ) where

import Yesod.Auth.OAuth2.Prelude

import qualified Data.Text as T
import Yesod.Core.Widget

newtype User = User Text

instance FromJSON User where
  parseJSON :: Value -> Parser User
parseJSON = String -> (Object -> Parser User) -> Value -> Parser User
forall a. String -> (Object -> Parser a) -> Value -> Parser a
withObject String
"User" ((Object -> Parser User) -> Value -> Parser User)
-> (Object -> Parser User) -> Value -> Parser User
forall a b. (a -> b) -> a -> b
$ \Object
o -> Text -> User
User (Text -> User) -> Parser Text -> Parser User
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Object
o Object -> Key -> Parser Text
forall a. FromJSON a => Object -> Key -> Parser a
.: Key
"CharacterOwnerHash"

data WidgetType m
    = Plain -- ^ Simple "Login via eveonline" text
    | BigWhite
    | SmallWhite
    | BigBlack
    | SmallBlack
    | Custom (WidgetFor m ())

asWidget :: YesodAuth m => WidgetType m -> WidgetFor m ()
asWidget :: WidgetType m -> WidgetFor m ()
asWidget WidgetType m
Plain = [whamlet|Login via eveonline|]
asWidget WidgetType m
BigWhite =
  [whamlet|<img src="https://images.contentful.com/idjq7aai9ylm/4PTzeiAshqiM8osU2giO0Y/5cc4cb60bac52422da2e45db87b6819c/EVE_SSO_Login_Buttons_Large_White.png?w=270&h=45">|]
asWidget WidgetType m
BigBlack
  = [whamlet|<img src="https://images.contentful.com/idjq7aai9ylm/4fSjj56uD6CYwYyus4KmES/4f6385c91e6de56274d99496e6adebab/EVE_SSO_Login_Buttons_Large_Black.png?w=270&h=45">|]
asWidget WidgetType m
SmallWhite
  = [whamlet|<img src="https://images.contentful.com/idjq7aai9ylm/18BxKSXCymyqY4QKo8KwKe/c2bdded6118472dd587c8107f24104d7/EVE_SSO_Login_Buttons_Small_White.png?w=195&h=30">|]
asWidget WidgetType m
SmallBlack
  = [whamlet|<img src="https://images.contentful.com/idjq7aai9ylm/12vrPsIMBQi28QwCGOAqGk/33234da7672c6b0cdca394fc8e0b1c2b/EVE_SSO_Login_Buttons_Small_Black.png?w=195&h=30">|]
asWidget (Custom WidgetFor m ()
a) = WidgetFor m ()
a

pluginName :: Text
pluginName :: Text
pluginName = Text
"eveonline"

defaultScopes :: [Text]
defaultScopes :: [Text]
defaultScopes = [Text
"publicData"]

oauth2Eve :: YesodAuth m => WidgetType m -> Text -> Text -> AuthPlugin m
oauth2Eve :: WidgetType m -> Text -> Text -> AuthPlugin m
oauth2Eve = [Text] -> WidgetType m -> Text -> Text -> AuthPlugin m
forall m.
YesodAuth m =>
[Text] -> WidgetType m -> Text -> Text -> AuthPlugin m
oauth2EveScoped [Text]
defaultScopes

oauth2EveScoped
  :: YesodAuth m => [Text] -> WidgetType m -> Text -> Text -> AuthPlugin m
oauth2EveScoped :: [Text] -> WidgetType m -> Text -> Text -> AuthPlugin m
oauth2EveScoped [Text]
scopes WidgetType m
widgetType Text
clientId Text
clientSecret =
  WidgetFor m () -> Text -> OAuth2 -> FetchCreds m -> AuthPlugin m
forall m.
YesodAuth m =>
WidgetFor m () -> Text -> OAuth2 -> FetchCreds m -> AuthPlugin m
authOAuth2Widget (WidgetType m -> WidgetFor m ()
forall m. YesodAuth m => WidgetType m -> WidgetFor m ()
asWidget WidgetType m
widgetType) Text
pluginName OAuth2
oauth2 (FetchCreds m -> AuthPlugin m) -> FetchCreds m -> AuthPlugin m
forall a b. (a -> b) -> a -> b
$ \Manager
manager OAuth2Token
token ->
    do
      (User Text
userId, ByteString
userResponse) <- Text -> Manager -> OAuth2Token -> URI -> IO (User, ByteString)
forall a.
FromJSON a =>
Text -> Manager -> OAuth2Token -> URI -> IO (a, ByteString)
authGetProfile
        Text
pluginName
        Manager
manager
        OAuth2Token
token
        URI
"https://login.eveonline.com/oauth/verify"

      Creds m -> IO (Creds m)
forall (f :: * -> *) a. Applicative f => a -> f a
pure Creds :: forall master. Text -> Text -> [(Text, Text)] -> Creds master
Creds { credsPlugin :: Text
credsPlugin = Text
"eveonline"
          -- FIXME: Preserved bug. See similar comment in Bitbucket provider.
                 , credsIdent :: Text
credsIdent  = String -> Text
T.pack (String -> Text) -> String -> Text
forall a b. (a -> b) -> a -> b
$ Text -> String
forall a. Show a => a -> String
show Text
userId
                 , credsExtra :: [(Text, Text)]
credsExtra  = OAuth2Token -> ByteString -> [(Text, Text)]
setExtra OAuth2Token
token ByteString
userResponse
                 }
 where
  oauth2 :: OAuth2
oauth2 = OAuth2 :: Text -> Maybe Text -> URI -> URI -> Maybe URI -> OAuth2
OAuth2
    { oauth2ClientId :: Text
oauth2ClientId          = Text
clientId
    , oauth2ClientSecret :: Maybe Text
oauth2ClientSecret      = Text -> Maybe Text
forall a. a -> Maybe a
Just Text
clientSecret
    , oauth2AuthorizeEndpoint :: URI
oauth2AuthorizeEndpoint = URI
"https://login.eveonline.com/oauth/authorize"
                                  URI -> [(ByteString, ByteString)] -> URI
forall a. URIRef a -> [(ByteString, ByteString)] -> URIRef a
`withQuery` [ (ByteString
"response_type", ByteString
"code")
                                              , Text -> [Text] -> (ByteString, ByteString)
scopeParam Text
" " [Text]
scopes
                                              ]
    , oauth2TokenEndpoint :: URI
oauth2TokenEndpoint     = URI
"https://login.eveonline.com/oauth/token"
    , oauth2RedirectUri :: Maybe URI
oauth2RedirectUri       = Maybe URI
forall a. Maybe a
Nothing
    }