private async Task SignInAsync(AspNetUser user, bool isPersistent)
{
var clientKey = Request.Browser.Type;// +Request.Headers["X-NuGet-ApiKey"];
await UserManager.SignInClientAsync(user, clientKey);
// Zerando contador de logins errados.
await UserManager.ResetAccessFailedCountAsync(user.Id);
// Coletando Claims externos (se houver)
ClaimsIdentity ext = await AuthenticationManager.GetExternalIdentityAsync(DefaultAuthenticationTypes.ExternalCookie);
// Criação da instancia do Identity e atribuição dos Claims
var claims = await user.GenerateUserIdentityAsync(UserManager, ext);
AuthenticationManager.SignOut(DefaultAuthenticationTypes.ExternalCookie, DefaultAuthenticationTypes.TwoFactorCookie, DefaultAuthenticationTypes.ApplicationCookie);
AuthenticationManager.SignIn(
new AuthenticationProperties { IsPersistent = isPersistent },
claims
);
}
