OmniAuth:重定向到需要身份验证的页面，而不是用户来自的页面

问题描述

我的应用程序中有一些页面需要通过链接输入进行身份验证.如果用户尚未进行身份验证，我会在过滤器之前使用它来将用户重定向到/auth/linked_in.我希望在身份验证后将用户重定向到需要身份验证的页面，而不是用户来自的页面.

There are some pages in my app which require authentication with linked in. I use before filter to redirect user to /auth/linked_in if s/he is not already authenticated. I want that after authentication user should be redirected to page which required authentication instead of page from which user came from.

在过滤器看起来像之前:

Before filter looks like:

def require_linked_in!
  unless current_user and current_user.linked_in_authenticated?
    redirect_to "/auth/#{Authentication::LINKED_IN}"
  end
end

在我的omniauth回调中，我做了一些事情，例如登录或将提供者数据与用户帐户相关联，如果一切正常，请单击redirect_to request.env['omniauth.origin'] || root_url，但这会将用户重定向到他单击该页面的链接，然后单击该链接到需要链接的页面身份验证而不是目标页面.

In my omniauth callback I do some stuff, like logging in or associating provider data with user account and if everything was ok, redirect_to request.env['omniauth.origin'] || root_url, but this redirects back the user to page from which he clicked the link to page requiring linked_in authentication and not the target page.

如何将用户重定向到触发身份验证的页面，而不是用户来自哪个页面?

How can I redirect the user to page which triggered authentication instead of page which user came from?

PS:用户只能使用该应用程序的注册表格进行注册，但以后可以在该处连接链接的和Facebook个人资料，也可以使用它们代替普通的电子邮件/密码登录表格.如果有什么区别.

PS: User can only sign up using the registration form for the app, but can later on connect there linked and facebook profile and also use them instead of normal email/password login form. If it makes any difference.

推荐答案

我想您需要将URL存储在会话中，并在omniauth回调后进行重定向.

I guess you need to store the url in your session and redirect after the omniauth callback.

def require_linked_in!
  session[:return_to] = request.url
  unless current_user and current_user.linked_in_authenticated?
    redirect_to "/auth/#{Authentication::LINKED_IN}"
  end
end

在回调操作中，您可以使用:

In your callback-action you can use:

redirect_to session[:return_to] || root_url

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