请在这篇文章的底部查看更新!
以下适用于我的Facebook:
StartupAuth.cs:
var facebookAuthenticationOptions = new FacebookAuthenticationOptions()
{
AppId = "x",
AppSecret = "y"
};
facebookAuthenticationOptions.Scope.Add("email");
app.UseFacebookAuthentication(facebookAuthenticationOptions);
ExternalLoginCallback 方法:
var externalIdentity = HttpContext.GetOwinContext().Authentication.GetExternalIdentityAsync(DefaultAuthenticationTypes.ExternalCookie);
var emailClaim = externalIdentity.Result.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Email);
var email = emailClaim.Value;
对于谷歌:
启动验证.cs
app.UseGoogleAuthentication();
ExternalLoginCallback 方法(与 facebook 相同):
var externalIdentity = HttpContext.GetOwinContext().Authentication.GetExternalIdentityAsync(DefaultAuthenticationTypes.ExternalCookie);
var emailClaim = externalIdentity.Result.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Email);
var email = emailClaim.Value;
如果我在这里设置断点:
var email = emailClaim.Value;
我在调试器中看到了 Facebook 和 Google 的电子邮件地址。
更新 1:旧的答案让我感到困惑,所以我用我自己的项目中的代码更新了它,我刚刚调试过并且我知道它可以工作。
更新 2:使用新的ASP.NET Identity 2.0 RTM版本,您不再需要本文中的任何代码。获取电子邮件的正确方法是简单地执行以下操作:
启动.Auth.cs
app.UseFacebookAuthentication(
appId: "x",
appSecret: "y");
app.UseGoogleAuthentication();
AccountController.cs
//
// GET: /Account/ExternalLoginCallback
[AllowAnonymous]
public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
{
var loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return RedirectToAction("Login");
}
// Sign in the user with this external login provider if the user already has a login
var result = await SignInHelper.ExternalSignIn(loginInfo, isPersistent: false);
switch (result)
{
case SignInStatus.Success:
return RedirectToLocal(returnUrl);
case SignInStatus.LockedOut:
return View("Lockout");
case SignInStatus.RequiresTwoFactorAuthentication:
return RedirectToAction("SendCode", new { ReturnUrl = returnUrl });
case SignInStatus.Failure:
default:
// If the user does not have an account, then prompt the user to create an account
ViewBag.ReturnUrl = returnUrl;
ViewBag.LoginProvider = loginInfo.Login.LoginProvider;
return View("ExternalLoginConfirmation", new ExternalLoginConfirmationViewModel { Email = loginInfo.Email });
}
}