IT工程師數位筆記本

app.UseCookieAuthentication(new CookieAuthenticationOptions
{
    CookieName = ".AspNetCore.Cookies",
    CookieDomain = ".cnblogs.com"
});

if (Environment.IsDevelopment())
{
    services.AddDistributedMemoryCache();
}
else
{
    services.AddDistributedServiceStackRedisCache(options =>
    {
        Configuration.GetSection("redis").Bind(options);
        //Workaround for deadlock when resolving host name
        IPAddress ip;
        if (!IPAddress.TryParse(options.Host, out ip))
        {
            options.Host = Dns.GetHostAddressesAsync(options.Host)
            .Result.FirstOrDefault(a => a.AddressFamily == AddressFamily.InterNetwork).ToString();
        }
    });
}
services.AddDataProtection().PersistKeysToDistributedStore();

public IReadOnlyCollection<XElement> GetAllElements()
{
    var data = _cache.GetString(_key);
    Console.WriteLine(data);
    if (!string.IsNullOrEmpty(data))
    {
        return XDocument.Parse(data).Root.Elements().ToList().AsReadOnly();
    }
    else
    {
        return new List<XElement>().AsReadOnly();
    }
}

public static IDataProtectionBuilder AddDataProtection(this IServiceCollection services, Action<DataProtectionOptions> setupAction);

//
// Summary:
//     Provides global options for the Data Protection system.
public class DataProtectionOptions
{
    public DataProtectionOptions();

    //
    // Summary:
    //     An identifier that uniquely discriminates this application from all other applications
    //     on the machine. The discriminator value is implicitly included in all protected
    //     payloads generated by the data protection system to isolate multiple logical
    //     applications that all happen to be using the same key material.
    //
    // Remarks:
    //     If two different applications need to share protected payloads, they should ensure
    //     that this property is set to the same value across both applications.
    public string ApplicationDiscriminator { get; set; }
}

services.AddDataProtection(options => options.ApplicationDiscriminator = "cnblogs.com");