using System;
using System.Net;
using System.Configuration;
using System.Security.Cryptography;
using System.Text;


public class Program
{
    public static void Main()
    {
        PasswordDigestRequest pdr= new PasswordDigestRequest();
        string wsseHeader = pdr.CreateHeader();
        Console.WriteLine(wsseHeader);

        WebClient wc = new WebClient();
        wc.Headers.Set("Content-Type", "application/xml; charset=UTF-8");
        wc.Headers.Set("cache-control", "no-cache");
        wc.Headers.Set("accept", "application/xml");
        wc.Headers.Set("authorization", "WSSE realm=\"CDP\",  profile=\"UsernameToken\"");
        wc.Headers.Set("x-requestheader", "request ServiceId=\"0081022000008125\"");
        wc.Headers.Set("x-wsse", wsseHeader);
        Console.WriteLine(wc.Headers);

        string data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><sms:subscription xmlns:sms=\"urn:oma:xml:rest:sms:1\"> <callbackReference><notifyURL>https://cd45d05c.ngrok.io</notifyURL> <callbackData>123456</callbackData> <notificationFormat>xml</notificationFormat> </callbackReference> <destinationAddress>2404996</destinationAddress> <criteria>sub</criteria> </sms:subscription>";
        string uri = "http://125.60.148.174:8312/1/smsmessaging/inbound/subscriptions";
        string HtmlResult = wc.UploadString(uri, data);
        Console.WriteLine(HtmlResult);
    }

}

    public class PasswordDigestRequest
    {
        internal string Username { get; set; }
        internal string Password { get; set; }
        internal string Created { get; set; }

        ///
        /// Initializes a new instance of the PasswordDigestRequest class.
        ///
        public PasswordDigestRequest()
        {
            Username = "008102";
            Password = "Vanish123";
            Created = DateTime.Now.ToString("yyyy-MM-ddTHH:mm:ssZ");
        }

        ///
        /// Creates the header.
        ///
        internal string CreateHeader()
        {
            string nonceStr = GetNonce();
            string hashedPassword = CreateHashedPassword(nonceStr, Created, Password);

            var soapStr = new StringBuilder();

            soapStr.Append("UsernameToken Username=\"");
            soapStr.Append(Username);
            soapStr.Append("\",PasswordDigest=\"");
            soapStr.Append(hashedPassword);
            soapStr.Append("\",Nonce=\"");
            soapStr.Append(nonceStr);
            soapStr.Append("\",Created=\"");
            soapStr.Append(Created);
            soapStr.Append("\"");

            return soapStr.ToString();
        }

        ///
        /// Creates the hashed password.
        ///
        internal static string CreateHashedPassword(string nonce, string created, string password)
        {
            string combinedString = nonce + created + password;
            Console.WriteLine(combinedString);
            //byte[] nonceBytes = Encoding.UTF8.GetBytes(nonce);
            //byte[] createdBytes = Encoding.UTF8.GetBytes(created);
            //byte[] passwordBytes = Encoding.UTF8.GetBytes(password);
            //byte[] combined = new byte[createdBytes.Length + nonceBytes.Length + passwordBytes.Length];
            //Buffer.BlockCopy(nonceBytes, 0, combined, 0, nonceBytes.Length);
            //Buffer.BlockCopy(createdBytes, 0, combined, nonceBytes.Length, createdBytes.Length);
            //Buffer.BlockCopy(passwordBytes, 0, combined, nonceBytes.Length + createdBytes.Length, passwordBytes.Length);

            return Convert.ToBase64String(SHA1.Create().ComputeHash(Encoding.UTF8.GetBytes(combinedString)));
        }

        ///
        /// Create a Nonce
        /// returns a random nonce.
        internal static string GetNonce()
        {
            Random rnd = new Random();
            string nonceEnd = rnd.Next(99999).ToString();
            string nonceDate = DateTime.Now.ToString("yyyyMMddHHmmss");

            return nonceDate + nonceEnd;
        }
    }