如何在MVC5身份应用程序中使用facebook身份验证检索用户的电子邮件地址? [英] How to retrieve the email address of user using facebook authentication in MVC5 identity application?
问题描述
在MVC5(身份)中创建了一个新项目。
注册了facebook认证的应用程序。
Startup.Auth.cs
app.UseFacebookAuthentication(
appId:1474706466175318,
appSecret :a616c710d8ee3816929e1d3a7e9ea0ee);
AccountController.cs
[AllowAnonymous]
public async Task< ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if(loginInfo == null) - > ;当我在这里设置断点时,我正在获取电子邮件ID null
Created a new project in MVC5 (identity).
Registered the app for facebook authentication.
Startup.Auth.cs
app.UseFacebookAuthentication(
appId: "1474706466175318",
appSecret: "a616c710d8ee3816929e1d3a7e9ea0ee");
AccountController.cs
[AllowAnonymous]
public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)-->I am gettting the email id null when i set a breakpoint here
推荐答案
请参阅 - 在默认MVC5应用程序中的帐户关联步骤中从外部提供商Google和Facebook获取电子邮件 [ ^ ]。
See this - Getting the email from external providers Google and Facebook during account association step in a default MVC5 app[^].
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