MVC 4的OAuth随着Facebook并没有返回的电子邮件地址 [英] MVC 4 oAuth With Facebook does not return email address

问题描述

我尝试witht他MVC 4的OAuth这是本月发布。
任何人都可以点我在那里我可以添加电子邮件地址，以便我可以存储与用户属性？

I am experimenting witht he MVC 4 oAuth that was released this month. Can anyone point me to where I can add eMail address so that I can store that with user properties?

我需要能够发送欢迎电子邮件，但不知道在哪里的开箱即用的MVC 4 OAuth的。开始

I need to be able to send a welcome email but don't know where to start with the out of the box MVC 4 oAuth.

在理想情况下，成功登录后，我希望收到来自Facebook的用户信息在我的控制器，并在表中删除它，以便脱机进程可以发送欢迎电子邮件。

Ideally, after successful login, I want to receive the User Info from Facebook in my controller and drop it in a table so an offline process can send the welcome email.

谢谢，
维克多

Thanks, Victor

推荐答案

这是因为Facebook允许其用户指定哪些数据与第三方认证服务，比如你的网站维克托共享。并且默认情况下，我相信电子邮件地址（是的，有多个可以添加到一个Facebook帐户）不比亚迪共享默认。用户必须去和明确与第三方分享他们的电子邮件地址 - 这一点我不认为有谁使用

It is because Facebook allows its users to specify what data is shared with 3rd party authentication services, such as you website Victor. And by default, I believe the Email addresses (yes, there are multiple you can add to a facebook account) are not shared byd default. A user has to go in and explicitly share their email addresses with 3rd parties - something I don't think anyone ever uses.

唯一的强制性的共享，Facebook的部队共享数据是全名（例如，埃里克邓肯）。其他的都是可选的用户分享。

The only "mandatory" shared data that Facebook forces shared is the FullName (e.g. "Eric Duncan"). Everything else is optional for the user to share.

例如，我有我的Facebook的设置只共享我的生日，但不是birthyear。我也有我的Facebook设置分享我的利益，而不是我的电子邮件。

For example, I have my Facebook setup to share only my birthdate, but not the birthyear. I also have my Facebook setup to share my interests but not my email.

因此​​，您必须code什么是有保障 - 在Facebook的情况下，显示名称（这是所谓的MVC 4.0的OAuth的用户名）。其他一切都不能保证。

Therefore, you have to code for what is guaranteed - the display name in Facebook's case (which is called the "UserName" in the MVC 4.0 OAuth). Everything else is not guaranteed.

我做我的OAuth应用程序，包括Facebook连接，与第三方身份验证成功后，回调URL页面上（如ExternalLoginConfirmation.cshtml在MVC 4.0），我会要求用户输入他们的显示名称，电子邮件地址，出生日期等，同时使用上的自定义视图模型标准数据注解所需的那些领域。

What I do in my OAuth applications, including Facebook connect, is after a successful authentication with the 3rd party, on the callback url page (e.g. ExternalLoginConfirmation.cshtml in MVC 4.0), I will ask the user to enter their Display Name, email address, birthdate, etc. And make those fields required using standard data annotations on your custom view model.

这篇关于MVC 4的OAuth随着Facebook并没有返回的电子邮件地址的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！