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

namespace PDF_Alchemy
{
    class Status
    {
        const string accessKeyId = "xxxxxxxxxxxxxxxxxxxx";
        const string secretAccessKey = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";

        static void Main(string[] args)
        {
            // Generate the HMAC-SHA1 signature.
            string date = DateTime.UtcNow.ToString("r");
            string request = '/' + accessKeyId + "/status";
            string clearText = "GET\n" + accessKeyId + '\n' + date + '\n' + request;
            HMACSHA1 hmac = new HMACSHA1(ASCIIEncoding.UTF8.GetBytes(secretAccessKey));
            string signature = Convert.ToBase64String(hmac.ComputeHash(ASCIIEncoding.UTF8.GetBytes(clearText)));

            // Request the status from PDF Alchemy.
            HttpWebRequest req=(HttpWebRequest)HttpWebRequest.Create("http://www.pdfalchemy.com" + request);
            req.Headers.Add("X-PDF-Alchemy-Date", date);
            req.Headers.Add("X-PDF-Alchemy-Signature", signature);
            try
            {
                HttpWebResponse response = (HttpWebResponse)req.GetResponse();
                Console.Write(new StreamReader(response.GetResponseStream()).ReadToEnd());
                response.Close();
            }
            catch (System.Net.WebException e)
            {
                Console.Write(e.Message);
            }
        }
    }
}