GenXdev.Helpers

1.54.2024

Network.cs

using System.Net;
 
namespace GenXdev.Helpers
{
    public static class Network
    {
        #region public ip lookup
 
        static object padLock = new object();
        static string publicHostName = "localhost";
 
        public static string GetPublicExternalHostname(string IPAddress = null)
        {
            #region ipify
 
            try
            {
                string uri = "https://api.ipify.org";
 
                using (var client = new TimedWebClient(TimeSpan.FromSeconds(20)))
                {
                    return client.DownloadString(uri).Trim();
                }
            }
            catch { }
 
            #endregion
 
            #region api.ipify.org
 
            try
            {
                string uri = "https://api.ipify.org";
 
                using (var client = new TimedWebClient(TimeSpan.FromSeconds(20)))
                {
                    return client.DownloadString(uri).Trim();
                }
            }
            catch { }
 
            #endregion
 
            #region ipinfo.io
 
            try
            {
                string uri = "http://ipinfo.io/ip";
 
                using (var client = new TimedWebClient(TimeSpan.FromSeconds(20)))
                {
                    return client.DownloadString(uri).Trim();
                }
            }
            catch { }
 
            #endregion
 
            #region DynDns
 
            try
            {
                string uri = "http://checkip.dyndns.org/";
 
                using (var client = new TimedWebClient(TimeSpan.FromSeconds(20)))
                {
                    var result = client.DownloadString(uri);
 
                    return result.Split(':')[1].Split('<')[0].Trim();
                }
            }
            catch { }
 
            #endregion
 
            #region Local Machine Hostname
 
            try
            {
                lock (padLock)
                    return Dns.GetHostName().ToLower();
            }
            catch { }
 
            #endregion
 
            return "127.0.0.1";
        }
 
        #endregion
    }
}