带有Google OpenID的Ruby open_id_authentication [英] Ruby open_id_authentication with Google OpenID

问题描述

我正在我的Rails应用程序中实现OpenID的第一步. open_id_authentication 似乎是一个非常易于使用的插件，这就是为什么我决定使用它.

I am in my first steps of implementing OpenID in my Rails app. open_id_authentication appeared to be a fairly easy-to-use plugin, which is why I decided to use it.

使用我的Google帐户登录似乎可以正常工作，但是我没有得到所需的sreg/AX字段. 我的代码当前如下:

Logging in with my Google account seems to work perfectly, however I do not get the sreg/AX fields that I require. My code is currently as follows:

class SessionsController < ApplicationController

  def new; end

  def create
    open_id_authentication
  end


  protected
    def open_id_authentication
      authenticate_with_open_id(params[:openid_identifier], :required => ["http://axschema.org/contact/email"]) do |result, identity_url, registration|
        if result.successful?
          p registration.data
          @current_user = User.find_by_identity_url(identity_url)
          if @current_user
            successful_login
          else
            failed_login "Sorry, no user by that identity URL exists (#{identity_url})"
          end
        else
          failed_login result.message
        end
      end
    end


  private
    def successful_login
      session[:user_id] = @current_user.id
      redirect_to(root_url)
    end

    def failed_login(message)
      flash[:error] = message
      redirect_to(new_session_url)
    end
end

我已经阅读了有关Google OpenID的各种讨论，所有讨论都只说您需要AX模式而不是sreg字段email，但是即使这样做，(如您在上面的代码中所看到的) ，registration.data将保持为空({}).

I have already read various discussions about Google OpenID and all only say that you need to require the AX schema instead of the sreg field email, but even when I am doing so (as you can see in the code above), registration.data will remain empty ({}).

如何有效地要求大多数具有Open_id_authentication的OpenID提供者提供的电子邮件?

推荐答案

authenticate_with_open_id返回Sreg对象，而不是AX响应.因此，您需要像这样使用Rack :: OpenID :: REPONSE来实例化此响应:

The authenticate_with_open_id return the Sreg object, not the AX response. So you need instanciate this respone with Rack::OpenID::REPONSE like that :

ax_response = OpenID::AX::FetchResponse.from_success_response(request.env[Rack::OpenID::RESPONSE])

获取数据后

ax_response['http://axschema.org/contact/email']
ax_response['http://axschema.org/namePerson/first']
ax_response['http://axschema.org/namePerson/last']

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