读取不同主机的Cookie [英] Reading cookies across different hosts

问题描述

我有两个网站 - 两个都是我的项目。在现场二，我需要检查用户是否在网站一登录。我想这样做我应该创建一个脚本，将cookie放入iframe的主体，然后读取iframe的内容在网站二。但我不能。

I have two sites - both are my projects. On site two, I need to check if the user is logged in on site one. I suppose to do this I should just create a script that puts a cookie into the body of an iframe and then read the iframe contents on site two. But I can't.

以下是我为测试目的所做的代码：

http://jsbin.com/oqaza/edit

Here is a code I made for testing purposes:
http://jsbin.com/oqaza/edit

我遇到一个错误，说：

的许可被拒绝< http：// jsbin.com >获取属性
HTMLDocument.nodeType from
< http：/ /www.google.com >。

推荐答案

。通常有解决方案像OpenID（甚至在这里使用SO），但我发现，JSONP是最简单的方式读取跨域的Cookie：）

I finally got it. Generally there is solution like "OpenID" (used even here on SO), but I discovered, that JSONP is easiest way to read cookies across domain :)

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