我正在使用以下代码，ExternalLoginCallback
因为google一切正常。但在Facebook和Microsoft loginInfo.Email始终为空。以下代码有什么问题？
[AllowAnonymous]
public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
{
ExternalLoginInfo loginInfo = await AuthenticationManager.GetExternalLoginInfoAsync();
if (loginInfo == null)
{
return RedirectToAction("Login");
}
// loginInfo.Email is always null, so FindByEmailAsync throws an exception
UserIdentityModel user = await UserManager.FindByEmailAsync(loginInfo.Email);
if (user != null)
{
await SignInAsync(user, false);
return RedirectToLocal(returnUrl);
}
// 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
{
UserName = loginInfo.DefaultUserName,
Email = loginInfo.Email
});
}
我正在使用以下软件包：
<package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Security.Facebook" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Security.Google" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Security.MicrosoftAccount" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net45" />
<package id="Microsoft.Owin.Security.Twitter" version="3.0.1" targetFramework="net45" />
我找到了解决方案，我们必须使用Facebook和文件中Microsoft的以下内容Startup.Auth.cs：
// Facebook
app.UseFacebookAuthentication(new FacebookAuthenticationOptions
{
AppId = "---",
AppSecret = "---",
Scope = { "email" }
});
// Microsoft
app.UseMicrosoftAccountAuthentication(new MicrosoftAccountAuthenticationOptions()
{
ClientId = "---",
ClientSecret = "---",
Scope = { "wl.basic", "wl.emails" }
});
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