content: {-# LANGUAGE OverloadedStrings #-}
  
  module Yesod.Auth.OAuth2.ORCID
    ( oauth2ORCID
    ) where
  
  import qualified Data.Text as T
  import Yesod.Auth.OAuth2.Prelude
  
  pluginName :: Text
  pluginName = "orcid"
  
  newtype User = User Text
  
  instance FromJSON User where
    parseJSON = withObject "User" $ \o -> User <$> o .: "sub"
  
  oauth2ORCID
    :: YesodAuth m
    => Text
    -- ^ Client Id
    -> Text
    -- ^ Client Secret
    -> AuthPlugin m
  oauth2ORCID clientId clientSecret =
    authOAuth2 pluginName oauth2 $ \manager token -> do
      (User userId, userResponse) <-
        authGetProfile
          pluginName
          manager
          token
          "https://orcid.org/oauth/userinfo"
  
      pure
        Creds
          { credsPlugin = pluginName
          , credsIdent = T.pack $ show userId
          , credsExtra = setExtra token userResponse
          }
   where
    oauth2 =
      OAuth2
        { oauth2ClientId = clientId
        , oauth2ClientSecret = Just clientSecret
        , oauth2AuthorizeEndpoint =
            "https://orcid.org/oauth/authorize"
              `withQuery` [scopeParam " " ["openid"]]
        , oauth2TokenEndpoint = "https://orcid.org/oauth/token"
        , oauth2RedirectUri = Nothing
        }
  