# File lib/doorkeeper/oauth/token_request.rb, line 12
      def authorize
        if pre_auth.authorizable?
          auth = Authorization::Token.new(pre_auth, resource_owner)
          auth.issue_token
          @response = CodeResponse.new pre_auth,
                                       auth,
                                       response_on_fragment: true
        else
          @response = error_response
        end
      end