I am a total newbie to payment gateways. I would like to integrate CCAvenue to my website using PHP. I have downloaded their Intergration kit, Included my merchant id and working key, set the account to active and tried to do a dummy transaction on the index file they have provided in my localhost.
But,when I click on submit on the form it is taking me to CCAvenue Transaction error page without any error code and error description.
Please let me know where I am making the mistake and what else I need to do.
I would be great if anyone pointed to me to a tutorial other then the CCAvenue integration manual.
Codes: Checkout.php
<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>'.$information[1].'</td></tr>';
}
echo "</table><br>";
echo "</center>";
?>
I have also included Adler.php and Aes.php which comes with the integration kit
Answer
ccavenue payment gateway integration is very simple and easy, please copy below php code or php script for ccavenue payment gateway integration and set the variable value as per you account.
<?php
function getchecksum($MerchantId,$Amount,$OrderId ,$URL,$WorkingKey)
{
$str ="$MerchantId|$OrderId|$Amount|$URL|$WorkingKey";
$adler = 1;
$adler = adler32($adler,$str);
return $adler;
}
function verifychecksum($MerchantId,$OrderId,$Amount,$AuthDesc,$CheckSum,$WorkingKey)
{
$str = "$MerchantId|$OrderId|$Amount|$AuthDesc|$WorkingKey";
$adler = 1;
$adler = adler32($adler,$str);
if($adler == $CheckSum)
return "true" ;
else
return "false" ;
}
function adler32($adler , $str)
{
$BASE = 65521 ;
$s1 = $adler & 0xffff ;
$s2 = ($adler >> 16) & 0xffff;
for($i = 0 ; $i < strlen($str) ; $i++)
{
$s1 = ($s1 + Ord($str[$i])) % $BASE ;
$s2 = ($s2 + $s1) % $BASE ;
}
return leftshift($s2 , 16) + $s1;
}
function leftshift($str , $num)
{
$str = DecBin($str);
for( $i = 0 ; $i < (64 - strlen($str)) ; $i++)
$str = "0".$str ;
for($i = 0 ; $i < $num ; $i++)
$str = $str."0"; $str = substr($str , 1 ) ;
return cdec($str) ;
}
function cdec($num)
{
for ($n = 0 ; $n < strlen($num) ; $n++)
{
$temp = $num[$n] ;
$dec = $dec + $temp*pow(2 , strlen($num) - $n - 1);
}
return $dec;
}
$Merchant_Id = "User ID" ;//This id(also User Id) available at "Generate Working Key" of "Settings & Options"
$Amount = 'Total Amount';//your script should substitute the amount in the quotes provided here
$Order_Id = "Order ID";//your script should substitute the order description in the quotes provided here
$Redirect_Url = "Your Return URL" ;//your redirect URL where your customer will be redirected after authorisation from CCAvenue
$WorkingKey = "Your Working Key" ;//put in the 32 bit alphanumeric key in the quotes provided here.Please note that get this key ,login to your CCAvenue merchant account and visit the "Generate Working Key" section at the "Settings & Options" page.
$Checksum = getCheckSum($Merchant_Id,$Amount,$Order_Id ,$Redirect_Url,$WorkingKey);
$billing_cust_name=$customer_name;
$billing_cust_address=$customer_address;
$billing_cust_state=$customer_statename;
$billing_cust_country=$customer_country;
$billing_cust_tel=$customer_contact_no;
$billing_cust_email=$customer_email;
$delivery_cust_name=$customer_name;
$delivery_cust_address=$customer_address;
$delivery_cust_state = $customer_statename;
$delivery_cust_country = $customer_country;
$delivery_cust_tel=$customer_contact_no;
$delivery_cust_notes=$customer_message;
$billing_city = $customer_city;
$billing_zip = $customer_zipcode;
$delivery_city = $customer_city;
$delivery_zip = $customer_zipcode;
?>
<form name="paymentform" method="post" action="https://www.ccavenue.com/shopzone/cc_details.jsp">
<input type="hidden" name="Merchant_Id" value="<?php echo $Merchant_Id; ?>">
<input type="hidden" name="Amount" value="<?php echo $Amount; ?>">
<input type="hidden" name="Order_Id" value="<?php echo $Order_Id; ?>">
<input type="hidden" name="Redirect_Url" value="<?php echo $Redirect_Url; ?>">
<input type="hidden" name="Checksum" value="<?php echo $Checksum; ?>">
<input type="hidden" name="billing_cust_name" value="<?php echo $billing_cust_name; ?>">
<input type="hidden" name="billing_cust_address" value="<?php echo $billing_cust_address; ?>">
<input type="hidden" name="billing_cust_country" value="<?php echo $billing_cust_country; ?>">
<input type="hidden" name="billing_cust_state" value="<?php echo $billing_cust_state; ?>">
<input type="hidden" name="billing_zip" value="<?php echo $billing_zip; ?>">
<input type="hidden" name="billing_cust_tel" value="<?php echo $billing_cust_tel; ?>">
<input type="hidden" name="billing_cust_email" value="<?php echo $billing_cust_email; ?>">
<input type="hidden" name="delivery_cust_name" value="<?php echo $delivery_cust_name; ?>">
<input type="hidden" name="delivery_cust_address" value="<?php echo $delivery_cust_address; ?>">
<input type="hidden" name="delivery_cust_country" value="<?php echo $delivery_cust_country; ?>">
<input type="hidden" name="delivery_cust_state" value="<?php echo $delivery_cust_state; ?>">
<input type="hidden" name="delivery_cust_tel" value="<?php echo $delivery_cust_tel; ?>">
<input type="hidden" name="delivery_cust_notes" value="<?php echo $delivery_cust_notes; ?>">
<input type="hidden" name="Merchant_Param" value="<?php echo $Merchant_Param; ?>">
<input type="hidden" name="billing_cust_city" value="<?php echo $billing_city; ?>">
<input type="hidden" name="billing_zip_code" value="<?php echo $billing_zip; ?>">
<input type="hidden" name="delivery_cust_city" value="<?php echo $delivery_city; ?>">
<input type="hidden" name="delivery_zip_code" value="<?php echo $delivery_zip; ?>">
<INPUT TYPE="submit" value="submit">
</form>