facebook - 拥有 Facebook 访问令牌有什么用？

Question

如果您获得了特定网站的 Facebook 访问令牌，该令牌允许您以 Facebook 帐户在属于某个用户的网站上登录，您可以用它做什么？您可以使用该用户的帐户登录实际网站吗？如果有怎么办？对我来说似乎有点不清楚。

Answer 1

Hence its name, an access token permits an access to the API.

If you get an access token, you can indeed use it and GET / POST as the user. Your action field depends on the permissions that have been accepted before its creation and can't be changed. Example:

https://graph.facebook.com/me?fields=education&access_token=CAAFrCZBaL1WoBAPTOEV9Tz

However, you couldn't log in to the website that generated the access token, because this is handled on the website server. Nothing makes it possible to input the access token, because the server can only get it as an answer from the access token request made to Facebook.