using System.Collections;
using System.Linq;
using System.Net;
using System.Reflection;

namespace NetDisk
{
    public static class Extension
    {
        public static CookieCollection GetAllCookies(this CookieContainer container)
        {
            var allCookies = new CookieCollection();
            var domainTableField = container.GetType().GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static).FirstOrDefault(x => x.Name == "m_domainTable");
            var domains = (IDictionary)domainTableField.GetValue(container);

            foreach (var val in domains.Values)
            {
                var type = val.GetType().GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static).First(x => x.Name == "m_list");
                var values = (IDictionary)type.GetValue(val);
                foreach (CookieCollection cookies in values.Values)
                {
                    allCookies.Add(cookies);
                }
            }
            return allCookies;
        }
    }
}