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

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

asWidget :: YesodAuth m => WidgetType m -> WidgetFor m ()
asWidget :: forall m. YesodAuth m => 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 :: forall m.
YesodAuth m =>
WidgetType m -> Text -> Text -> AuthPlugin m
oauth2Eve = 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 :: forall m.
YesodAuth m =>
[Text] -> WidgetType m -> Text -> Text -> AuthPlugin m
oauth2EveScoped [Text]
scopes WidgetType m
widgetType Text
clientId Text
clientSecret =
  forall m.
YesodAuth m =>
WidgetFor m () -> Text -> OAuth2 -> FetchCreds m -> AuthPlugin m
authOAuth2Widget (forall m. YesodAuth m => WidgetType m -> WidgetFor m ()
asWidget WidgetType m
widgetType) Text
pluginName OAuth2
oauth2 forall a b. (a -> b) -> a -> b
$ \Manager
manager OAuth2Token
token ->
    do
      (User Text
userId, ByteString
userResponse) <-
        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"

      forall (f :: * -> *) a. Applicative f => a -> f a
pure
        Creds
          { credsPlugin :: Text
credsPlugin = Text
"eveonline"
          , -- FIXME: Preserved bug. See similar comment in Bitbucket provider.
            credsIdent :: Text
credsIdent = String -> Text
T.pack forall a b. (a -> b) -> a -> b
$ 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
      { oauth2ClientId :: Text
oauth2ClientId = Text
clientId
      , oauth2ClientSecret :: Maybe Text
oauth2ClientSecret = forall a. a -> Maybe a
Just Text
clientSecret
      , oauth2AuthorizeEndpoint :: URI
oauth2AuthorizeEndpoint =
          URI
"https://login.eveonline.com/oauth/authorize"
            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 = forall a. Maybe a
Nothing
      }