using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using System.IO;
using CCA.Util;
using System.Collections.Specialized;
using System.Xml;


public partial class GetRSA : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            string queryUrl = "https://secure.ccavenue.com/transaction/getRSAKey";
            string vParams = "";
            foreach (string key in Request.Params.AllKeys)
            {
                vParams += key + "=" + Request[key] + "&";
            }
            // Url Connection
            String message = postPaymentRequestToGateway(queryUrl, vParams);
            CommonHelper.LogWriter("RSA URL : " + queryUrl + "\n Params : " + vParams + "\n message : " + message, 1, "CCAvenue RSA", HttpContext.Current.Request.Url.AbsoluteUri);            
            Response.Write(message);
        }
        catch (Exception exp)
        {
            Response.Write("Exception " + exp);
        }
    }

    private string postPaymentRequestToGateway(String queryUrl, String urlParam)
    {
        String message = "";
        try
        {
            StreamWriter myWriter = null;// it will open a http connection with provided url
            WebRequest objRequest = WebRequest.Create(queryUrl);//send data using objxmlhttp object
            objRequest.Method = "POST";
            //objRequest.ContentLength = TranRequest.Length;
            objRequest.ContentType = "application/x-www-form-urlencoded";//to set content type
            myWriter = new System.IO.StreamWriter(objRequest.GetRequestStream());
            myWriter.Write(urlParam);//send data
            myWriter.Close();//closed the myWriter object

            // Getting Response
            System.Net.HttpWebResponse objResponse = (System.Net.HttpWebResponse)objRequest.GetResponse();//receive the responce from objxmlhttp object 
            using (System.IO.StreamReader sr = new System.IO.StreamReader(objResponse.GetResponseStream()))
            {
                message = sr.ReadToEnd();
            }
        }
        catch (Exception exception)
        {
            Console.Write("Exception occured while connection." + exception);
        }
        return message;
    }    
}

