lib/gitlab/o_auth/callback_handler.rb


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module Gitlab
  module OAuth
    class CallbackHandler < OmniauthCallbackHandlerBase
      def link_provider!
        current_user.identities
                    .with_extern_uid(oauth['provider'], oauth['uid'])
                    .first_or_create(extern_uid: oauth['uid'])
        log_audit_event(current_user, with: oauth['provider'])
        notify_authentication_updated!
      end

      protected

      def linked_user_class
        Gitlab::OAuth::User
      end
    end
  end
end