EasyPay - ICICI payment gateway implimentation

Request:

Payment.aspx
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Payment.aspx.vb" Inherits="Payment" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">

</head>
<body>
<form id="form1" runat="server">
<div>
<h1>Payment information</h1>
<asp:Label ID="lblid" runat="server"></asp:Label>
</div>
</form>
</body>
</html>

Payment.aspx.vb

Imports System.Security.Cryptography

Partial Class Payment

Inherits System.Web.UI.Page

Dim a As New Aidni()

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

If Session("id") IsNot Nothing Then

Dim rnd As New Random()

Dim refNo As String = Session("id").Trim

'Dim refNo As String = "65478"

'Dim phone As String = a.returnValue("select phone from adminid where cid='" & Session("id").ToString() & "'")

Dim phone As String = a.returnValue("select rtrim(LTRIM(phone)) as 'phone' from adminid where cid='" & Session("id").ToString() & "'")

Dim strName As String = a.returnValue("select vname from adminid where cid='" & Session("id").ToString() & "'")

Dim MerchantId As String

MerchantId = "225979"

Dim ASEKEY As String

ASEKEY = "2227121459701000"

Dim amount As String

amount = "150"

Session("strAMT") = amount

Dim subMerchantId As String

subMerchantId = Session("id").Remove(0, 2).Trim

'subMerchantId = "987654"

Dim MandatoryField As String

MandatoryField = refNo.ToString() + "|" + subMerchantId + "|" + amount

Dim optionalfields As String

'optionalfields = "8584062656|111|TUHIN|BCA"

optionalfields = "" + phone.Trim + "|111|" + strName + "|UG"

Dim returnurl As String

'returnurl = "http://onlinedgc.org/SLIP.ASPX"

returnurl = "HTTP://ONLINEDGC.ORG/SLIP.ASPX"

Dim paymode As String

paymode = "9"

'---------------------------------------------------------

Dim refNo1 As String

refNo1 = encryptfile(refNo, ASEKEY)

Dim amount1 As String

amount1 = encryptfile(amount, ASEKEY)

Dim subMerchantId1 As String

subMerchantId1 = encryptfile(subMerchantId, ASEKEY)

Dim returnurl1 As String

returnurl1 = encryptfile(returnurl, ASEKEY)

Dim paymode1 As String

paymode1 = encryptfile(paymode, ASEKEY)

Dim MandatoryField1 As String

MandatoryField1 = encryptfile(MandatoryField, ASEKEY)

Dim optionalfields1 As String

optionalfields1 = encryptfile(optionalfields, ASEKEY)

Response.Redirect("https://eazypay.icicibank.com/EazyPG?merchantid=" + MerchantId + "&mandatory fields=" + MandatoryField1 + "&optional fields=" + optionalfields1 + "&returnurl=" + returnurl1 + "&Reference No=" + refNo1 + "&submerchantid=" + subMerchantId1 + "&transaction amount=" + amount1 + "&paymode=" + paymode1 + "")

Else

Response.Redirect("Default.aspx")

End If

End Sub

Public Function encryptfile(ByVal texttoencrypt As Object, ByVal key As Object) As String

Dim rijndaelcipher As RijndaelManaged = New RijndaelManaged()

rijndaelcipher.Mode = CipherMode.ECB

rijndaelcipher.Padding = PaddingMode.PKCS7

rijndaelcipher.KeySize = &H80

rijndaelcipher.BlockSize = &H80

Dim pwdbytes As [Byte]() = Encoding.UTF8.GetBytes(key)

Dim keybytes As [Byte]() = New Byte(15) {}

Dim len As Integer = pwdbytes.Length

If (len > keybytes.Length) Then

len = keybytes.Length

End If

Array.Copy(pwdbytes, keybytes, len)

rijndaelcipher.Key = keybytes

rijndaelcipher.IV = keybytes

Dim transform As ICryptoTransform = rijndaelcipher.CreateEncryptor()

Dim plaintext() As Byte = Encoding.UTF8.GetBytes(texttoencrypt)

Return Convert.ToBase64String(transform.TransformFinalBlock(plaintext, 0, plaintext.Length))

End Function

End Class

Response:

SLIP.ASPX

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="SLIP.ASPX.VB" Inherits="SLIP" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

.wrapper{

width:800px;

margin:0px auto;

}

body{

font: 12px Arial, Helvetica, sans-serif;

line-height: 19px;

}

.b_col3 h1 { color:#900;}

.b_col3 h2 { color:#333;}

.b_col3 {

width:600px;

float: left;

margin-left: 27px;

text-align:center;

border-radius:5px;

border:1px #333 solid;

}

.xyz {

width:150px;

float:left;

text-align:left;

color:black;

padding: 5px 0px 0px 0px;}

.dot {

float:left;

width:50px;

text-align:left;

color:black;

padding-left:50px;}

.pqr {

width:200px;

float:left;

text-align:left;

color:black;

font-size: large;

}

</style>

.myButton {

-moz-box-shadow:inset 0px 1px 0px 0px #cf866c;

-webkit-box-shadow:inset 0px 1px 0px 0px #cf866c;

box-shadow:inset 0px 1px 0px 0px #cf866c;

background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #d0451b), color-stop(1, #bc3315));

background:-moz-linear-gradient(top, #d0451b 5%, #bc3315 100%);

background:-webkit-linear-gradient(top, #d0451b 5%, #bc3315 100%);

background:-o-linear-gradient(top, #d0451b 5%, #bc3315 100%);

background:-ms-linear-gradient(top, #d0451b 5%, #bc3315 100%);

background:linear-gradient(to bottom, #d0451b 5%, #bc3315 100%);

filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#d0451b', endColorstr='#bc3315',GradientType=0);

background-color:#d0451b;

-moz-border-radius:3px;

-webkit-border-radius:3px;

border-radius:3px;

border:1px solid #942911;

display:inline-block;

cursor:pointer;

color:#ffffff;

font-family:arial;

font-size:13px;

padding:6px 24px;

text-decoration:none;

text-shadow:0px 1px 0px #854629;

width:100px;

text-align:center;

}

.myButton:hover {

background:-webkit-gradient(linear, left top, left bottom, color-stop(0.05, #bc3315), color-stop(1, #d0451b));

background:-moz-linear-gradient(top, #bc3315 5%, #d0451b 100%);

background:-webkit-linear-gradient(top, #bc3315 5%, #d0451b 100%);

background:-o-linear-gradient(top, #bc3315 5%, #d0451b 100%);

background:-ms-linear-gradient(top, #bc3315 5%, #d0451b 100%);

background:linear-gradient(to bottom, #bc3315 5%, #d0451b 100%);

filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#bc3315', endColorstr='#d0451b',GradientType=0);

background-color:#bc3315;

}

.myButton:active {

position:relative;

top:1px;

}

.auto-style1

{

font-size: large;

}

</style>

// Popup window code

function newPopup(url) {

popupWindow = window.open(

url, 'popUpWindow', 'height=700,width=800,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')

}

</script>

</head>

<body>

<tr>

<td>

<tr>

</td>

</tr>

</table>

<h2 style="color:Black;">DOMKAL GIRLS' COLLEGE</h2>

<h1>Online Payment Slip</h1>

<asp:HiddenField ID="hdnmsg" runat="server" />

<asp:Label ID="lblStatus" runat="server" Font-Bold="True" Font-Size="Medium" ForeColor="#000000" style="font-size: large" ></asp:Label>

<div style="height:30px;"><label class="xyz"> <b style="font-size: large">Transaction ID</b></label><label class="dot"> :</label><asp:Label ID="Transaction" CssClass="pqr" runat="server" Font-Bold="True" ForeColor="#000000"