Integrating CCAvenue with php

0 votes

I have never used a payment gateway before. I want to use PHP to include CCAvenue into my website. I downloaded their integration kit, added my merchant id and functioning key, activated the account, and attempted to complete a dummy transaction on the index file they provided in my localhost. However, the form submits button sends me to the CCAvenue Transaction error page without providing an error code or description.

Tell me where I'm doing wrong and what else I should be doing. If somebody could direct me to a tutorial other than the CCAvenue integration handbook, that would be excellent.

<html>
<head>
<title> Checkout</title>
</head>
<body>

 <?php include('adler32.php')?>
 <?php include('Aes.php')?>
 <?php 

 error_reporting(0);
 $merchant_id=$_POST['Merchant_Id'];  // Merchant id(also User_Id) 
 $amount=$_POST['Amount'];            // your script should substitute the amount here                        in the quotes provided here
 $order_id=$_POST['Order_Id'];        //your script should substitute the order   description here in the quotes provided here
 $url=$_POST['Redirect_Url'];         //your redirect URL where your customer will be redirected after authorisation from CCAvenue
 $billing_cust_name=$_POST['billing_cust_name'];
 $billing_cust_address=$_POST['billing_cust_address'];
 $billing_cust_country=$_POST['billing_cust_country'];
 $billing_cust_state=$_POST['billing_cust_state'];
 $billing_city=$_POST['billing_city'];
 $billing_zip=$_POST['billing_zip'];
 $billing_cust_tel=$_POST['billing_cust_tel'];
 $billing_cust_email=$_POST['billing_cust_email'];
 $delivery_cust_name=$_POST['delivery_cust_name'];
 $delivery_cust_address=$_POST['delivery_cust_address'];
 $delivery_cust_country=$_POST['delivery_cust_country'];
 $delivery_cust_state=$_POST['delivery_cust_state'];
 $delivery_city=$_POST['delivery_city'];
 $delivery_zip=$_POST['delivery_zip'];
 $delivery_cust_tel=$_POST['delivery_cust_tel'];
 $delivery_cust_notes=$_POST['delivery_cust_notes'];


$working_key=/*MY working Key*/;    //Put in the 32 bit alphanumeric key in the quotes provided here.


 $checksum=getchecksum($merchant_id,$amount,$order_id,$url,$working_key); // Method to       generate checksum

  $merchant_data=    'Merchant_Id='.$merchant_id.'&Amount='.$amount.'&Order_Id='.$order_id.'&Redirect_Url='.$url  '&billing_cust_name='.$billing_cust_name.'&billing_cust_address='.$billing_cust_address.'&billing_cust_country='.$billing_cust_country.'&billing_cust_state='.$billing_cust_state.'&billing_cust_city='.$billing_city.'&billing_zip_code='.$billing_zip.'&billing_cust_tel='.$billing_cust_tel.'&billing_cust_email='.$billing_cust_email.'&delivery_cust_name='.$delivery_cust_name.'&delivery_cust_address='.$delivery_cust_address.'&delivery_cust_country='.$delivery_cust_country.'&delivery_cust_state='.$delivery_cust_state.'&delivery_cust_city='.$delivery_city.'&delivery_zip_code='.$delivery_zip.'&delivery_cust_tel='.$delivery_cust_tel.'&billing_cust_notes='.$delivery_cust_notes.'&Checksum='.$checksum  ;

$encrypted_data=encrypt($merchant_data,$working_key); // Method for encrypting the data.

?>

<form method="post" name="redirect"   action="http://www.ccavenue.com/shopzone/cc_details.jsp"> 
<?php
   echo "<input type=hidden name=encRequest value=$encrypted_data>";
   echo "<input type=hidden name=Merchant_Id value=$merchant_id>";

    ?>
 </form>
 <script type='text/javascript'>document.redirect.submit();</script>
 </body>
 </html>

And my Redirecturl.php

<?php include('Aes.php')?>
<?php include('adler32.php')?>
<?php


error_reporting(0);
$workingKey=/*My Working Key*/;     //Working Key should be provided here.
$encResponse=$_POST["encResponse"];         //This is the response sent by the CCAvenue Server


$rcvdString=decrypt($encResponse,$workingKey);      //AES Decryption used as per the specified working key.
$AuthDesc="";
$MerchantId="";
$OrderId="";
$Amount=0;
$Checksum=0;
$veriChecksum=false;

$decryptValues=explode('&', $rcvdString);
$dataSize=sizeof($decryptValues);
//******************************    Messages based on Checksum & AuthDesc   **********************************//
echo "<center>";


for($i = 0; $i < $dataSize; $i++) 
{
    $information=explode('=',$decryptValues[$i]);
    if($i==0)   $MerchantId=$information[1];    
    if($i==1)   $OrderId=$information[1];
    if($i==2)   $Amount=$information[1];    
    if($i==3)   $AuthDesc=$information[1];
    if($i==4)   $Checksum=$information[1];  
}

$rcvdString=$MerchantId.'|'.$OrderId.'|'.$Amount.'|'.$AuthDesc.'|'.$workingKey;
$veriChecksum=verifyChecksum(genchecksum($rcvdString), $Checksum);

if($veriChecksum==TRUE && $AuthDesc==="Y")
{
    echo "<br>Thank you for shopping with us. Your credit card has been charged and your transaction is successful. We will be shipping your order to you soon.";

    //Here you need to put in the routines for a successful 
    //transaction such as sending an email to customer,
    //setting database status, informing logistics etc etc
}
else if($veriChecksum==TRUE && $AuthDesc==="B")
{
    echo "<br>Thank you for shopping with us.We will keep you posted regarding the status of your order through e-mail";

    //Here you need to put in the routines/e-mail for a  "Batch Processing" order
    //This is only if payment for this transaction has been made by an American Express Card
    //since American Express authorisation status is available only after 5-6 hours by mail from ccavenue and at the "View Pending Orders"
}
else if($veriChecksum==TRUE && $AuthDesc==="N")
{
    echo "<br>Thank you for shopping with us.However,the transaction has been declined.";

    //Here you need to put in the routines for a failed
    //transaction such as sending an email to customer
    //setting database status etc etc
}
else
{
    echo "<br>Security Error. Illegal access detected";

    //Here you need to simply ignore this and dont need
    //to perform any operation in this condition
}


echo "<br><br>";


//************************************  DISPLAYING DATA RCVD ******************************************//

echo "<table cellspacing=4 cellpadding=4>";
for($i = 0; $i < $dataSize; $i++) 
{
    $information=explode('=',$decryptValues[$i]);
        echo '<tr><td>'.$information[0].'</td><td>'.$information[1].'</td></tr>';
}

echo "</table><br>";
echo "</center>";
?>
Aug 8 in PHP by Kithuzzz
• 11,040 points
26 views

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