Description: This tutorial demonstrates how to integrate FraudLabs Pro fraud detection into Authorize.Net payment.
PHP
Create a new table to store the transaction value of FraudLabs Pro and Authorize.Net payment processing. This table will be used during the settlement, void or refund process.
CREATE TABLE `fraudlabs_pro` ( `flp_transaction_id` CHAR(15) NOT NULL, `flp_status` VARCHAR(10) NOT NULL, `authorizenet_transaction_id` VARCHAR(30) NOT NULL, PRIMARY KEY (`flp_transaction_id`) ) COLLATE='utf8_general_ci' ENGINE=MyISAM;
Download FraudLabs Pro PHP class from https://github.com/fraudlabspro/fraudlabspro-php/releases
Integrate FraudLabs Pro fraud detection logic with your Authorize.Net code. This code will perform a simple validation check of one credit card purchase and perform the appropriate action based on the fraud validation result.
// Include FraudLabs Pro library
require_once 'PATH_TO_FRAUDLABSPRO/lib/FraudLabsPro.php';
// Include Authorize.Net library
require 'vendor/autoload.php';
use net\authorize\api\contract\v1 as AnetAPI;
use net\authorize\api\controller as AnetController;
$merchantAuthentication = new AnetAPI\MerchantAuthenticationType();
$merchantAuthentication->setName("your_api_login_id");
$merchantAuthentication->setTransactionKey("your_transaction_key");
$refId = 'ref' . time();
FraudLabsPro\Configuration::apiKey('your_fraudlabspro_api_key');
// Check this transaction for possible fraud. FraudLabs Pro support comprehensive validation check,
// and for this example, we only perform the IP address, BIN and billing country validation.
// For complete validation, please check our developer page at http://www.fraudlabspro.com/developer
$orderDetails = [
'order' => [
'amount' => $_POST['amount'],
'paymentMethod' => FraudLabsPro\Order::CREDIT_CARD,
],
'card' => [
'number' => $_POST['number'],
],
'billing' => [
'country' => $_POST['country'],
],
];
// Sends the order details to FraudLabs Pro
$fraudResult = FraudLabsPro\Order::validate($orderDetails);
// This transaction is legitimate, let's submit to Authorize.Net
if ($fraudResult->fraudlabspro_status == 'APPROVE') {
// Create payment data for a credit card
$creditCard = new AnetAPI\CreditCardType();
$creditCard->setCardNumber($_POST['number']);
$creditCard->setExpirationDate($_POST['year'] . "-" . $_POST['month']);
$creditCard->setCardCode($_POST['cvv']);
// Add payment data to a paymentType object
$paymentOne = new AnetAPI\PaymentType();
$paymentOne->setCreditCard($creditCard);
$transactionRequestType = new AnetAPI\TransactionRequestType();
$transactionRequestType->setTransactionType("authCaptureTransaction");
$transactionRequestType->setAmount($_POST['amount']);
$transactionRequestType->setPayment($paymentOne);
$request = new AnetAPI\CreateTransactionRequest();
$request->setMerchantAuthentication($merchantAuthentication);
$request->setRefId($refId);
$request->setTransactionRequest($transactionRequestType);
$controller = new AnetController\CreateTransactionController($request);
$result = $controller->executeWithApiResponse(\net\authorize\api\constants\ANetEnvironment::SANDBOX);
if ($result != null) {
if ($result->getMessages()->getResultCode() == 'Ok') {
$tresult = $result->getTransactionResponse();
if (($tresult != null) && ($tresult->getMessages() != null)) {
echo " Successfully created transaction with Transaction ID: " . $tresult->getTransId() . "\n";
echo " Transaction Response Code: " . $tresult->getResponseCode() . "\n";
echo " Message Code: " . $tresult->getMessages()[0]->getCode() . "\n";
echo " Auth Code: " . $tresult->getAuthCode() . "\n";
echo " Description: " . $tresult->getMessages()[0]->getDescription() . "\n";
} else {
echo "Transaction Failed \n";
if ($tresult->getErrors() != null) {
echo " Error Code : " . $tresult->getErrors()[0]->getErrorCode() . "\n";
echo " Error Message : " . $tresult->getErrors()[0]->getErrorText() . "\n";
}
}
} else {
echo "Transaction Failed \n";
$tresult = $result->getTransactionResponse();
if ($tresult != null && $tresult->getErrors() != null) {
echo " Error Code : " . $tresult->getErrors()[0]->getErrorCode() . "\n";
echo " Error Message : " . $tresult->getErrors()[0]->getErrorText() . "\n";
} else {
echo " Error Code : " . $result->getMessages()->getMessage()[0]->getCode() . "\n";
echo " Error Message : " . $result->getMessages()->getMessage()[0]->getText() . "\n";
}
}
} else {
echo "No response returned \n";
}
}
// Transaction has been rejected by FraudLabs Pro based on your custom validation rules.
elseif ($fraudResult->fraudlabspro_status == 'REJECT') {
/*
Do something here, try contact the customer for verification
*/
}
// Transaction is marked for a manual review by FraudLabs Pro based on your custom validation rules.
elseif ($fraudResult->fraudlabspro_status == 'REVIEW') {
// Create payment data for a credit card
$creditCard = new AnetAPI\CreditCardType();
$creditCard->setCardNumber($_POST['number']);
$creditCard->setExpirationDate($_POST['year'] . "-" . $_POST['month']);
$creditCard->setCardCode($_POST['cvv']);
// Add payment data to a paymentType object
$paymentOne = new AnetAPI\PaymentType();
$paymentOne->setCreditCard($creditCard);
$transactionRequestType = new AnetAPI\TransactionRequestType();
$transactionRequestType->setTransactionType("authOnlyTransaction");
$transactionRequestType->setAmount($_POST['amount']);
$transactionRequestType->setPayment($paymentOne);
$request = new AnetAPI\CreateTransactionRequest();
$request->setMerchantAuthentication($merchantAuthentication);
$request->setRefId($refId);
$request->setTransactionRequest($transactionRequestType);
$controller = new AnetController\CreateTransactionController($request);
$result = $controller->executeWithApiResponse(\net\authorize\api\constants\ANetEnvironment::SANDBOX);
if ($result != null) {
if ($result->getMessages()->getResultCode() == 'Ok') {
$tresult = $result->getTransactionResponse();
if (($tresult != null) && ($tresult->getMessages() != null)) {
echo " Successfully created transaction with Transaction ID: " . $tresult->getTransId() . "\n";
echo " Transaction Response Code: " . $tresult->getResponseCode() . "\n";
echo " Message Code: " . $tresult->getMessages()[0]->getCode() . "\n";
echo " Auth Code: " . $tresult->getAuthCode() . "\n";
echo " Description: " . $tresult->getMessages()[0]->getDescription() . "\n";
try{
// Initial MySQL connection
$db = new PDO('mysql:host=your_database_host;dbname=your_database_name;charset=utf8', 'your_database_user', 'your_database_password');
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// Store the transaction information for decision making
$st = $db->prepare('INSERT INTO `fraudlabs_pro` VALUES (:flpId, :flpStatus, :authorizeNetId)');
$st->execute(array(
':flpId'=>$fraudResult->fraudlabspro_id,
':flpStatus'=>$fraudResult->fraudlabspro_status,
':authorizeNetId'=>$tresult->getTransId()
));
}
catch(PDOException $e){
// MySQL error
die($e->getFile() . ':' . $e->getLine() . ' ' . $e->getMessage());
}
} else {
echo "Transaction Failed \n";
if ($tresult->getErrors() != null) {
echo " Error Code : " . $tresult->getErrors()[0]->getErrorCode() . "\n";
echo " Error Message : " . $tresult->getErrors()[0]->getErrorText() . "\n";
}
}
} else {
echo "Transaction Failed \n";
$tresult = $result->getTransactionResponse();
if ($tresult != null && $tresult->getErrors() != null) {
echo " Error Code : " . $tresult->getErrors()[0]->getErrorCode() . "\n";
echo " Error Message : " . $tresult->getErrors()[0]->getErrorText() . "\n";
} else {
echo " Error Code : " . $result->getMessages()->getMessage()[0]->getCode() . "\n";
echo " Error Message : " . $result->getMessages()->getMessage()[0]->getText() . "\n";
}
}
} else {
echo "No response returned \n";
}
}
Now, we are going to create a callback page to receive the review action, APPROVE or REJECT, performed by the merchant.
Note: You need to configure the callback URL at the FraudLabs Pro merchant area->settings page. It has to be pointed to the location where you hosted this “fraudlabspro-callback.php” file. Below is the sample code for fraudlabspro-callback.php
// Include Authorize.Net library
require 'vendor/autoload.php';
use net\authorize\api\contract\v1 as AnetAPI;
use net\authorize\api\controller as AnetController;
$id = (isset($_POST['id'])) ? $_POST['id'] : '';
$action = (isset($_POST['action'])) ? $_POST['action'] : '';
if($id && in_array($action, array('APPROVE', 'REJECT'))){
try{
// Initial MySQL connection
$db = new PDO('mysql:host=your_database_host;dbname=your_database_name;charset=utf8', 'your_database_user', 'your_database_password');
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// Get the Authorize.Net Transaction ID
$st = $db->prepare('SELECT * FROM `fraudlabs_pro` WHERE `flp_transaction_id`=:flpId AND `flp_status`=\'REVIEW\'');
$st->execute(array(
':flpId'=>$id
));
if($st->rowCount() == 1){
$row = $st->fetch(PDO::FETCH_ASSOC);
$merchantAuthentication = new AnetAPI\MerchantAuthenticationType();
$merchantAuthentication->setName("your_api_login_id");
$merchantAuthentication->setTransactionKey("your_transaction_key");
$refId = 'ref' . time();
if($action == 'REJECT'){
// Merchant rejected the order. Void the transaction in Authorize.Net
$transactionRequestType = new AnetAPI\TransactionRequestType();
$transactionRequestType->setTransactionType("voidTransaction");
$transactionRequestType->setRefTransId($row['authorizenet_transaction_id']);
$request = new AnetAPI\CreateTransactionRequest();
$request->setMerchantAuthentication($merchantAuthentication);
$request->setRefId($refId);
$request->setTransactionRequest($transactionRequestType);
$controller = new AnetController\CreateTransactionController($request);
$controller->executeWithApiResponse(\net\authorize\api\constants\ANetEnvironment::SANDBOX);
}
else{
// Merchant approved the order. Submit for settlement
$transactionRequestType = new AnetAPI\TransactionRequestType();
$transactionRequestType->setTransactionType("priorAuthCaptureTransaction");
$transactionRequestType->setRefTransId($row['authorizenet_transaction_id']);
$request = new AnetAPI\CreateTransactionRequest();
$request->setMerchantAuthentication($merchantAuthentication);
$request->setTransactionRequest($transactionRequestType);
$controller = new AnetController\CreateTransactionController($request);
$controller->executeWithApiResponse(\net\authorize\api\constants\ANetEnvironment::SANDBOX);
}
// Update database
$st = $db->prepare('UPDATE `fraudlabs_pro` SET `flp_status`=:action WHERE `flp_transaction_id`=:flpId');
$st->execute(array(
':flpId'=>$id,
':action'=>$action
));
}
}
catch(PDOException $e){
// MySQL error
die($e->getFile() . ':' . $e->getLine() . ' ' . $e->getMessage());
}
}
If there is a need to issue a refund of a settled transaction, below is the sample code of how to accomplish it.
// Include Authorize.Net library
require 'vendor/autoload.php';
use net\authorize\api\contract\v1 as AnetAPI;
use net\authorize\api\controller as AnetController;
try{
// Initial MySQL connection
$db = new PDO('mysql:host=your_database_host;dbname=your_database_name;charset=utf8', 'your_database_user', 'your_database_password');
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// Get the Authorize.Net transaction ID based on the FraudLabs Pro ID
$st = $db->prepare('SELECT * FROM `fraudlabs_pro` WHERE `flp_transaction_id`=:flpId');
$st->execute(array(
':flpId'=>$_POST['flpId']
));
if($st->rowCount() == 1){
$row = $st->fetch(PDO::FETCH_ASSOC);
$merchantAuthentication = new AnetAPI\MerchantAuthenticationType();
$merchantAuthentication->setName("your_api_login_id");
$merchantAuthentication->setTransactionKey("your_transaction_key");
$refId = 'ref' . time();
$creditCard = new AnetAPI\CreditCardType();
// Only the last four digits of customer's credit card number are required for credit card refunds.
$creditCard->setCardNumber("NNNN");
// For refunds, use XXXX instead of the customer's credit card expiration date.
$creditCard->setExpirationDate("XXXX");
$paymentOne = new AnetAPI\PaymentType();
$paymentOne->setCreditCard($creditCard);
$transactionRequestType = new AnetAPI\TransactionRequestType();
$transactionRequestType->setTransactionType("refundTransaction");
$transactionRequestType->setAmount($amount);
$transactionRequestType->setPayment($paymentOne);
$transactionRequestType->setRefTransId($row['authorizenet_transaction_id']);
$request = new AnetAPI\CreateTransactionRequest();
$request->setMerchantAuthentication($merchantAuthentication);
$request->setRefId($refId);
$request->setTransactionRequest($transactionRequestType);
$controller = new AnetController\CreateTransactionController($request);
$controller->executeWithApiResponse(\net\authorize\api\constants\ANetEnvironment::SANDBOX);
// Update database
$st = $db->prepare('UPDATE `fraudlabs_pro` SET `flp_status`=\'REFUNDED\' WHERE `flp_transaction_id`=:flpId');
$st->execute(array(
':flpId'=>$_POST['flpId']
));
}
}
catch(PDOException $e){
// MySQL error
die($e->getFile() . ':' . $e->getLine() . ' ' . $e->getMessage());
}