Read payment response

Response data comes encrypted as POST request to the Return URL registered in 2C2P PGW Dashboard.

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PHP Code

Read POST message and decrypt response message
Transaction result will be posted to Merchant's Return URL
To setup Merchant's Return URL, Login to Merchant Dashboard, under Account / Options / Payment Result URL.
and SET 'Server-to-server 3DS API - Frontend return URL' & 'Server-to-server 3DS API - Backend return URL'.

URL Path Name	Description
Server-to-server 3DS API - Frontend return URL	User will be redirected to this URL when transaction completes to view transaction result page.
Server-to-server 3DS API - Backend return URL	A duplicate record of transaction result will be sent to Merchant's backend URL for backend processing.

Read POST message

<?php 
  $response = $_REQUEST["paymentResponse"]; 
	echo "Response:<br/><textarea style='width:100%;height:80px'>". $response."</textarea>"; 
?>

Complete Code

Copy & Paste below code to 'result.php' file, and put this file in your Web Server and register the URL in Merchant Dashboard as 'return URL'.

<?php 
	$response = $_REQUEST["paymentResponse"]; 
	
	//Decode response with base64
	$reponsePayLoadXML = base64_decode($response);
	
	//Parse ResponseXML
	$xmlObject =simplexml_load_string($reponsePayLoadXML) or die("Error: Cannot create object");
	
	//Decode payload with base64 to get the Reponse
	$payloadxml = base64_decode($xmlObject->payload);
	
	//Get the signature from the ResponseXML
	$signaturexml = $xmlObject->signature;
	
	$secretKey = "7jYcp4FxFdf0";	//Get SecretKey from 2C2P PGW Dashboard

	//Encode the payload
	$base64EncodedPayloadResponse=base64_encode($payloadxml);
	//Generate signature based on "payload"
	$signatureHash = strtoupper(hash_hmac('sha256', $base64EncodedPayloadResponse ,$secretKey, false));
	
	//Compare the response signature with payload signature with secretKey
	if($signaturexml == $signatureHash){
		echo "Response :<br/><textarea style='width:100%;height:80px'>". $payloadxml."</textarea>"; 
	}
	else{
		//If Signature does not match
		echo "Error :<br/><textarea style='width:100%;height:20px'>". "Wrong Signature"."</textarea>"; 
		echo "<br/>";
	}
?>

Next : Payment with javascript event

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