创建一个使用Gmail，Yahoo或Facebook帐户登录的网站 [英] Create a website to login in with Gmail, Yahoo, or Facebook accounts

问题描述

Stack Overflow如何允许新用户使用Gmail或Facebook或Yahoo帐户登录到Stack Overflow？我在一个小项目网站上工作，我很好奇Stack Overflow如何做到这一点。我需要获得这些公司的许可才能做到这一点吗？或者我可以这么做？

How does Stack Overflow allow new users to login into Stack Overflow using their Gmail or Facebook or Yahoo accounts? I am working on a little project website and I was curious how Stack Overflow does this. Do I need to get permission from these companies to do this or can I just do it?

推荐答案

StackOverflow（和所有其他StackExchange网站）使用 OpenID 。

StackOverflow (and all other StackExchange sites) use OpenID.

OpenID是一种分散的身份验证协议，可让用户轻松注册并访问网络帐户。

OpenID is a decentralized authentication protocol that makes it easy for people to sign up and access web accounts.

雅虎，Google和Facebook都是OpenID提供商，所以在您的网站上简单实现它将足以让您的用户能够使用它们登录（和任何其他OpenID提供程序）。

Yahoo, Google and facebook are all OpenID providers, so simply implementing it on your site will be enough for your users to be able to login using them (and any other OpenID provider).

没有必要获得权限 - 应用程序的用户将获得该权限。

There is no need to get permission - the permission will be gotten by the users of your application.

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