class Doorkeeper::OAuth::TokenRequest

def authorize
  @response = if pre_auth.authorizable?
    auth = Authorization::Token.new(pre_auth, resource_owner)
    auth.issue_token
    CodeResponse.new pre_auth, auth, :response_on_fragment => true
  else
    ErrorResponse.from_request pre_auth, :redirect_uri => pre_auth.redirect_uri, :response_on_fragment => true
  end
end