provider :openid, openid_options
provider :google_oauth2, Settings.google_auth_id, Settings.google_auth_secret, google_options if Settings.key?(:google_auth_id)
provider :facebook, Settings.facebook_auth_id, Settings.facebook_auth_secret, facebook_options if Settings.key?(:facebook_auth_id)
provider :openid, openid_options
provider :google_oauth2, Settings.google_auth_id, Settings.google_auth_secret, google_options if Settings.key?(:google_auth_id)
provider :facebook, Settings.facebook_auth_id, Settings.facebook_auth_secret, facebook_options if Settings.key?(:facebook_auth_id)