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<html>
<head>
<meta charset="utf-8">
<title>Airpay Payment Gateway</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<link href="https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,400;0,700;1,600&family=Roboto:wght@300;400;700&display=swap"
rel="stylesheet">
<link type="text/css" rel="stylesheet" href="assets/style.css">
</head>
<style>
table {
border-collapse: collapse;
width: 50%;
}
th, td {
text-align: left;
padding: 8px;
}
.tdfail{
color:red;
}
.tdsuccess{
color:green;
}
</style>
<body>
<div class="wrapper">
<div class="contentbody">
<div class="lside">
<div class="lsidewrap">
<div class="logo"><img src="assets/airpay-text-wh.svg"></div>
<div class="coverimg"><img src="assets/coverimg.png"></div>
</div>
</div>
<div class="rside">
<div class="formwrap container-fluid">
<?php
date_default_timezone_set('Asia/Kolkata');
header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-store, no-cache, must-revalidate' );
header( 'Cache-Control: post-check=0, pre-check=0', false );
header( 'Pragma: no-cache' );
include('config.php');
// This is landing page where you will receive response from airpay.
// The name of the page should be as per you have configured in airpay system
// All columns are mandatory
$TRANSACTIONID = trim($_POST['TRANSACTIONID']);
$APTRANSACTIONID = trim($_POST['APTRANSACTIONID']);
$AMOUNT = trim($_POST['AMOUNT']);
$TRANSACTIONSTATUS = trim($_POST['TRANSACTIONSTATUS']);
$MESSAGE = trim($_POST['MESSAGE']);
$ap_SecureHash = trim($_POST['ap_SecureHash']);
$CHMOD = "";
if (isset($_POST['CHMOD'])){
$CHMOD = trim($_POST['CHMOD']);
}
if (isset($_POST['CUSTOMVAR'])){
$CUSTOMVAR = trim($_POST['CUSTOMVAR']);
}
else{
$CUSTOMVAR = "";
}
$error_msg = '';
if(empty($TRANSACTIONID) || empty($APTRANSACTIONID) || empty($AMOUNT) || empty($TRANSACTIONSTATUS) || empty($ap_SecureHash)){
// Reponse has been compromised. So treat this transaction as failed.
if(empty($TRANSACTIONID)){ $error_msg = 'TRANSACTIONID '; }
if(empty($APTRANSACTIONID)){ $error_msg .= ' APTRANSACTIONID'; }
if(empty($AMOUNT)){ $error_msg .= ' AMOUNT'; }
if(empty($TRANSACTIONSTATUS)){ $error_msg .= ' TRANSACTIONSTATUS'; }
if(empty($ap_SecureHash)){ $error_msg .= ' ap_SecureHash'; }
$error_msg .= '<tr><td>Variable(s) '. $error_msg.' is/are empty.</td></tr>';
//exit();
}
//THIS IS ADDITIONAL VALIDATION, YOU MAY USE IT.
//$SYSTEM_AMOUNT is amount you will fetch from your database/system against $TRANSACTIONID
//if( $AMOUNT != $SYSTEM_AMOUNT){
// Reponse has been compromised. So treat this transaction as failed.
//$error_msg .= '<tr><td>Amount mismatch in the system.</td></tr>';
//exit();
//}
// Generating Secure Hash
// $mercid = Merchant Id, $username = username
// You will find above two keys on the settings page, which we have defined here in config.php
$Hash_data = $TRANSACTIONID.':'.$APTRANSACTIONID.':'.$AMOUNT.':'.$TRANSACTIONSTATUS.':'.$MESSAGE.':'.$mercid.':'.$username;
if($CHMOD == "upi"){
$Hash_data = $Hash_data.':'.trim($_POST["CUSTOMERVPA"]);
}
$merchant_secure_hash = sprintf("%u", crc32 ($Hash_data));
//comparing Secure Hash with Hash sent by Airpay
if($ap_SecureHash != $merchant_secure_hash){
// Reponse has been compromised. So treat this transaction as failed.
$error_msg .= '<tr><td><font color="red">Secure Hash mismatch.</font></td></tr>';
}
if($error_msg){
echo '<table><font color="red"><b>ERROR:</b> '.$error_msg.'</font></table>';
echo '<table>
<tr><td><b>Variable Name</b></td><td><b> Value</b></td></tr>
<tr><td>TRANSACTIONID:</td><td> '.$TRANSACTIONID.'</td></tr>
<tr><td>APTRANSACTIONID:</td><td> '.$APTRANSACTIONID.'</td></tr>
<tr><td>AMOUNT:</td><td> '.$AMOUNT.'</td></tr>
<tr><td>TRANSACTIONSTATUS:</td><td> '.$TRANSACTIONSTATUS.'</td></tr>
<tr><td>CUSTOMVAR:</td><td> '.$CUSTOMVAR.'</td></tr>
</table>';
exit();
}//if($error_msg)
if($TRANSACTIONSTATUS == 200){
echo '<table><font color="green"><tr><td class="tdsuccess"><b>SUCCESS TRANSACTION</b></td></tr></font></table>
<table>
<tr><td><b>Variable Name</b></td><td><b>Value</b></td></tr>
<tr><td>TRANSACTIONID:</td><td> '.$TRANSACTIONID.'</td></tr>
<tr><td>APTRANSACTIONID:</td><td> '.$APTRANSACTIONID.'</td></tr>
<tr><td>AMOUNT:</td><td> '.$AMOUNT.'</td></tr>
<tr><td>TRANSACTIONSTATUS:</td><td> '.$TRANSACTIONSTATUS.'</td></tr>
<tr><td>MESSAGE:</td><td> '.$MESSAGE.'</td></tr>
<tr><td>CUSTOMVAR:</td><td> '.$CUSTOMVAR.'</td></tr>
</table>';
// Process Successfull transaction
}else{
echo '<table><font color="red"><tr><td class="tdfail"><b>FAILED TRANSACTION</b></td></tr></font></table>
<table>
<tr><td><b>Variable Name</b></td><td><b>Value</b></td></tr>
<tr><td>TRANSACTIONID:</td><td> '.$TRANSACTIONID.'</td></tr>
<tr><td>APTRANSACTIONID:</td><td> '.$APTRANSACTIONID.'</td></tr>
<tr><td>AMOUNT:</td><td> '.$AMOUNT.'</td></tr>
<tr><td>TRANSACTIONSTATUS:</td><td> '.$TRANSACTIONSTATUS.'</td></tr>
<tr><td>MESSAGE:</td><td> '.$MESSAGE.'</td></tr>
<tr><td>CUSTOMVAR:</td><td> '.$CUSTOMVAR.'</td></tr>
</table>';
// Process Failed Transaction
}
?>
</div>
</div>
</div>
</div>
</body>
</html>