检查索赔(电子邮件)之前创建一个新的cookie，没有asp。使用asp net核心社交登录的核心身份存储

public void ConfigureServices(IServiceCollection services)
{
    services.AddAuthentication(options =>
    {
        options.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
    })
    .AddCookie(options =>
    {
        options.Cookie.Name = "MyCookie";
        options.Cookie.HttpOnly = true;
        options.Cookie.SameSite = SameSiteMode.Strict;
        options.Cookie.SecurePolicy = CookieSecurePolicy.Always;
        options.LoginPath = "/Account/Login";
        options.LogoutPath = "/Account/Logout";
    });
}

public async Task<IActionResult> Login(LoginViewModel model)
{
    // 验证用户身份
    if (ModelState.IsValid)
    {
        // 创建用户的身份信息
        var claims = new List<Claim>
        {
            new Claim(ClaimTypes.Name, model.Username),
            // 添加其他需要的用户身份信息
        };

        var identity = new ClaimsIdentity(claims, CookieAuthenticationDefaults.AuthenticationScheme);

        // 创建用户的cookie
        await HttpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, new ClaimsPrincipal(identity));

        // 重定向到首页或其他页面
        return RedirectToAction("Index", "Home");
    }

    // 登录失败
    return View(model);
}