using nms_sms;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class pay : System.Web.UI.Page
{
public string action1 = string.Empty;
public string hash1 = string.Empty;
public string txnid1 = string.Empty;
protected void Page_Load(object sender, EventArgs e)
{
try
{
key.Value = M_key.MERCHANT_KEY;
if (!IsPostBack)
{
//bind_course_menu();
//bind_affiliation();
frmError.Visible = false; // error form
if (Request.QueryString["v"] != null)
{
// string[] docs = Request.QueryString["v"].Split('~');
// string Id = docs[0];
// string Name = docs[1];
string Amount = Request.QueryString["v"].ToString();
amount.Text = Amount;
firstname.Text = Request.QueryString["Name"].ToString();
phone.Text = Request.QueryString["mobile"].ToString();
email.Text = Request.QueryString["email"].ToString();
address1.Text = Request.QueryString["Address"].ToString();
// poojaid.Value = Id;
reId.Value= Request.QueryString["reId"].ToString();
productinfo.Text = Request.QueryString["reg"].ToString();
//rollno.Text= Request.QueryString["Rollno"].ToString();
DirectPayment();
}
}
else
{
//frmError.Visible = true;
}
if (string.IsNullOrEmpty(Request.Form["hash"]))
{
submit.Visible = true;
}
else
{
submit.Visible = false;
}
}
catch (Exception ex)
{
Response.Write("" + ex.Message + "");
}
}
public string Generatehash512(string text)
{
byte[] message = Encoding.UTF8.GetBytes(text);
UnicodeEncoding UE = new UnicodeEncoding();
byte[] hashValue;
SHA512Managed hashString = new SHA512Managed();
string hex = "";
hashValue = hashString.ComputeHash(message);
foreach (byte x in hashValue)
{
hex += String.Format("{0:x2}", x);
}
return hex;
}
public void DirectPayment()
{
try
{
string[] hashVarsSeq;
string hash_string = string.Empty;
string idfor = Request.Form["amount"];
if (string.IsNullOrEmpty(Request.Form["txnid"])) // generating txnid
{
Random rnd = new Random();
string strHash = Generatehash512(rnd.ToString() + DateTime.Now);
txnid1 = strHash.ToString().Substring(0, 20);
}
else
{
txnid1 = Request.Form["txnid"];
}
if (string.IsNullOrEmpty(Request.Form["hash"])) // generating hash value
{
if (
string.IsNullOrEmpty(M_key.MERCHANT_KEY) ||
string.IsNullOrEmpty(txnid1) ||
string.IsNullOrEmpty(firstname.Text) ||
string.IsNullOrEmpty(email.Text) ||
string.IsNullOrEmpty(phone.Text) ||
string.IsNullOrEmpty(productinfo.Text) ||
string.IsNullOrEmpty(M_key.surl) ||
string.IsNullOrEmpty(M_key.furl)
)
{
//error
frmError.Visible = true;
return;
}
else
{
frmError.Visible = false;
hashVarsSeq = M_key.hashSequence.Split('|'); // spliting hash sequence from config
hash_string = "";
foreach (string hash_var in hashVarsSeq)
{
if (hash_var == "key")
{
hash_string = hash_string + M_key.MERCHANT_KEY;
hash_string = hash_string + '|';
}
else if (hash_var == "txnid")
{
hash_string = hash_string + txnid1;
hash_string = hash_string + '|';
}
else if (hash_var == "amount")
{
hash_string = hash_string + Convert.ToDecimal(amount.Text).ToString("g29");
hash_string = hash_string + '|';
}
else if (hash_var == "udf1")
{
hash_string = hash_string + reId.Value;
hash_string = hash_string + '|';
}
else if (hash_var == "udf2")
{
hash_string = hash_string + phone.Text;
hash_string = hash_string + '|';
}
//else if (hash_var == "udf4")
//{
// hash_string = hash_string + phone.Text;
// hash_string = hash_string + '|';
//}
//else if (hash_var == "udf2")
//{
// hash_string = hash_string + reId.Value;
// hash_string = hash_string + '|';
//}
else if (hash_var == "productinfo")
{
hash_string = hash_string + productinfo.Text;
hash_string = hash_string + '|';
}
else if (hash_var == "firstname")
{
hash_string = hash_string + firstname.Text;
hash_string = hash_string + '|';
}
else if (hash_var == "email")
{
hash_string = hash_string + email.Text;
hash_string = hash_string + '|';
}
else
{
hash_string = hash_string + (Request.Form[hash_var] != null ? Request.Form[hash_var] : "");// isset if else
hash_string = hash_string + '|';
}
}
hash_string += M_key.SALT;// appending SALT
hash1 = Generatehash512(hash_string).ToLower(); //generating hash
action1 = M_key.PAYU_BASE_URL + "/_payment";// setting URL
}
}
else if (!string.IsNullOrEmpty(Request.Form["hash"]))
{
hash1 = Request.Form["hash"];
action1 = M_key.PAYU_BASE_URL + "/_payment";
}
if (!string.IsNullOrEmpty(hash1))
{
hash.Value = hash1;
txnid.Value = txnid1;
System.Collections.Hashtable data = new System.Collections.Hashtable(); // adding values in gash table for data post
data.Add("hash", hash.Value);
data.Add("txnid", txnid.Value);
data.Add("key", key.Value);
string AmountForm = Convert.ToDecimal(amount.Text).ToString("g29");// eliminating trailing zeros
// Request.Form["amount"] = AmountForm;
data.Add("amount", AmountForm);
data.Add("firstname", firstname.Text.Trim());
data.Add("email", email.Text.Trim());
data.Add("phone", phone.Text.Trim());
data.Add("productinfo", productinfo.Text.Trim());
data.Add("surl", M_key.surl.Trim());
data.Add("furl", M_key.furl.Trim());
data.Add("lastname", "a");
data.Add("curl", M_key.curl.Trim());
data.Add("address1", "");
data.Add("address2", "");
data.Add("city", "");
data.Add("state", "");
data.Add("country", "India");
data.Add("zipcode", "");
data.Add("udf1", reId.Value);
data.Add("udf2", phone.Text.Trim());
data.Add("udf3","");
data.Add("udf4", "");
data.Add("udf5", "");
data.Add("pg", "");
data.Add("service_provider", "payu_paisa");
string strForm = PreparePOSTForm(action1, data);
Page.Controls.Add(new LiteralControl(strForm));
}
else
{
//no hash
}
}
catch (Exception ex)
{
Response.Write("" + ex.Message + "");
}
}
protected void Button1_Click(object sender, EventArgs e)
{
try
{
string[] hashVarsSeq;
string hash_string = string.Empty;
string idfor = Request.Form["amount"];
if (string.IsNullOrEmpty(Request.Form["txnid"])) // generating txnid
{
Random rnd = new Random();
string strHash = Generatehash512(rnd.ToString() + DateTime.Now);
txnid1 = strHash.ToString().Substring(0, 20);
}
else
{
txnid1 = Request.Form["txnid"];
}
if (string.IsNullOrEmpty(Request.Form["hash"])) // generating hash value
{
if (
string.IsNullOrEmpty(M_key.MERCHANT_KEY) ||
string.IsNullOrEmpty(txnid1) ||
string.IsNullOrEmpty(firstname.Text) ||
string.IsNullOrEmpty(email.Text) ||
string.IsNullOrEmpty(phone.Text) ||
string.IsNullOrEmpty(productinfo.Text) ||
string.IsNullOrEmpty(M_key.surl) ||
string.IsNullOrEmpty(M_key.furl)
)
{
//error
frmError.Visible = true;
return;
}
else
{
frmError.Visible = false;
hashVarsSeq = M_key.hashSequence.Split('|'); // spliting hash sequence from config
hash_string = "";
foreach (string hash_var in hashVarsSeq)
{
if (hash_var == "key")
{
hash_string = hash_string + M_key.MERCHANT_KEY;
hash_string = hash_string + '|';
}
else if (hash_var == "txnid")
{
hash_string = hash_string + txnid1;
hash_string = hash_string + '|';
}
else if (hash_var == "amount")
{
hash_string = hash_string + Convert.ToDecimal(amount.Text).ToString("g29");
hash_string = hash_string + '|';
}
else if (hash_var == "udf1")
{
hash_string = hash_string + reId.Value;
hash_string = hash_string + '|';
}
else if (hash_var == "udf2")
{
hash_string = hash_string + phone.Text;
hash_string = hash_string + '|';
}
else if(hash_var == "productinfo")
{
hash_string = hash_string + productinfo.Text;
hash_string = hash_string + '|';
}
else if (hash_var == "firstname")
{
hash_string = hash_string + firstname.Text;
hash_string = hash_string + '|';
}
else if (hash_var == "email")
{
hash_string = hash_string + email.Text;
hash_string = hash_string + '|';
}
else
{
hash_string = hash_string + (Request.Form[hash_var] != null ? Request.Form[hash_var] : "");// isset if else
hash_string = hash_string + '|';
}
}
hash_string += M_key.SALT;// appending SALT
hash1 = Generatehash512(hash_string).ToLower(); //generating hash
action1 = M_key.PAYU_BASE_URL + "/_payment";// setting URL
}
}
else if (!string.IsNullOrEmpty(Request.Form["hash"]))
{
hash1 = Request.Form["hash"];
action1 = M_key.PAYU_BASE_URL + "/_payment";
}
if (!string.IsNullOrEmpty(hash1))
{
hash.Value = hash1;
txnid.Value = txnid1;
System.Collections.Hashtable data = new System.Collections.Hashtable(); // adding values in gash table for data post
data.Add("hash", hash.Value);
data.Add("txnid", txnid.Value);
data.Add("key", key.Value);
string AmountForm = Convert.ToDecimal(amount.Text).ToString("g29");// eliminating trailing zeros
// Request.Form["amount"] = AmountForm;
data.Add("amount", AmountForm);
data.Add("firstname", firstname.Text.Trim());
data.Add("email", email.Text.Trim());
data.Add("phone", phone.Text.Trim());
data.Add("productinfo", productinfo.Text.Trim());
data.Add("surl", M_key.surl.Trim());
data.Add("furl", M_key.furl.Trim());
data.Add("lastname", "a");
data.Add("curl", M_key.curl.Trim());
data.Add("address1", address1.Text.Trim());
data.Add("address2", "");
data.Add("city", "");
data.Add("state", "");
data.Add("country", "India");
data.Add("zipcode", "");
data.Add("udf1", reId.Value);
data.Add("udf2",phone.Text );
data.Add("udf3", "");
data.Add("udf4", "");
data.Add("udf5", "");
data.Add("pg", "");
data.Add("service_provider", "payu_paisa");
//
//
string strForm = PreparePOSTForm(action1, data);
Page.Controls.Add(new LiteralControl(strForm));
}
else
{
//no hash
}
}
catch (Exception ex)
{
Response.Write("" + ex.Message + "");
}
}
private string PreparePOSTForm(string url, System.Collections.Hashtable data) // post form
{
//Set a name for the form
string formID = "PostForm";
//Build the form using the specified data to be posted.
StringBuilder strForm = new StringBuilder();
strForm.Append("");
//Build the JavaScript which will do the Posting operation.
StringBuilder strScript = new StringBuilder();
strScript.Append("");
//Return the form and the script concatenated.
//(The order is important, Form then JavaScript)
return strForm.ToString() + strScript.ToString();
}
}