using System;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;

namespace NTLMProxyTester
{
    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length == 0)
            {
                Console.WriteLine("usage: <program.exe> http(s)://example.com proxyHost proxyPort proxyUsername proxyPassword proxyDomain...");
                return;
            }
            try
            {
                // setup where the request is going to
                HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(new Uri(args[0]));
                Console.WriteLine(string.Format("Making request to: {0}", request.RequestUri.ToString()));

                ServicePointManager.ServerCertificateValidationCallback += delegate(
                    object sender,
                    X509Certificate certificate,
                    X509Chain chain,
                    SslPolicyErrors sslPolicyErrors)
                        {
                            bool validationResult = true;
                            return validationResult;
                        };

                // setup the request credentials
                NetworkCredential proxyCredentials = new NetworkCredential()
                {
                    UserName = args[3],
                    Password = args[4],
                    Domain = args[5]
                };

                Console.WriteLine(string.Format("Proxy credentials:"));
                Console.WriteLine(string.Format(" - username: {0}", proxyCredentials.UserName));
                Console.WriteLine(string.Format(" - password: {0}", proxyCredentials.Password));
                Console.WriteLine(string.Format(" - domain: {0}", proxyCredentials.Domain));

                // setup the proxy details
                WebProxy proxy = new WebProxy(string.Format("{0}:{1}", args[1], args[2]), false);
                IWebProxy proxySettings = proxy;
                // associate the proxy settings with the NetworkCredentials directly
                proxySettings.Credentials = proxyCredentials;
                request.Proxy = proxySettings;

                Console.WriteLine(string.Format("Proxy address: {0}", proxySettings.GetProxy(request.RequestUri)));

                // make the request and deal with the response
                using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
                {
                    Console.WriteLine("Response incoming...");

                    using (StreamReader responseReader = new StreamReader(response.GetResponseStream()))
                    {
                        Console.WriteLine(responseReader.ReadToEnd());
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
        }
    }
}