GenXdev.Helpers

1.300.2025

Functions/GenXdev.Helpers/Network.cs

// ################################################################################
// Part of PowerShell module : GenXdev.Helpers
// Original cmdlet filename : Network.cs
// Original author : René Vaessen / GenXdev
// Version : 1.300.2025
// ################################################################################
// Copyright (c) René Vaessen / GenXdev
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ################################################################################
 
 
 
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 HttpClient())
                {
                    var response = client.GetAsync(uri).Result;
                    response.EnsureSuccessStatusCode();
                    var result = response.Content.ReadAsStringAsync().Result;
 
                    return result.Trim();
                }
            }
            catch { }
 
            #endregion
 
            #region api.ipify.org
 
            try
            {
                string uri = "https://api.ipify.org";
 
                using (var client = new HttpClient())
                {
                    var response = client.GetAsync(uri).Result;
                    response.EnsureSuccessStatusCode();
                    var result = response.Content.ReadAsStringAsync().Result;
 
                    return result.Trim();
                }
            }
            catch { }
 
            #endregion
 
            #region ipinfo.io
 
            try
            {
                string uri = "http://ipinfo.io/ip";
 
                using (var client = new HttpClient())
                {
                    var response = client.GetAsync(uri).Result;
                    response.EnsureSuccessStatusCode();
                    var result = response.Content.ReadAsStringAsync().Result;
 
                    return result.Trim();
                }
            }
            catch { }
 
            #endregion
 
            #region DynDns
 
            try
            {
                string uri = "http://checkip.dyndns.org/";
 
                using (var client = new HttpClient())
                {
                    var response = client.GetAsync(uri).Result;
                    response.EnsureSuccessStatusCode();
                    var result = response.Content.ReadAsStringAsync().Result;
 
                    return result.Trim().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
    }
}