雅虎的 openid 支持现状如何？无论我如何尝试，它只返回nameperson属性，但我无法获取用户的电子邮件（联系人/电子邮件）。有什么方法可以通过 lightopenid 库获取电子邮件？
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Exactly the way you tried -- by adding 'contact/email' to $openid->required (or optional).
If a provider doesn't return the email -- that's fine, it doesn't have to. It doesn't mean that the provider doesn't support OpenID, or doesn't support SREG/AX (the OpenID extensions used to fetch the email). It just means that it decided not to send you the email address.
So my advice is: stop depending on that.
OpenID is a decentralized protocol, so there are a lot of providers that won't return email and other data, and you still have to support them. So again: the provider may return whatever data it wants, regardless of what you asked for, so you can't depend on it being returned.
于 2011-11-04T19:13:13.897 回答