id = 'redsys';
$this->title = __('Credit Card (Redsys)', 'eb-redsys-gateway');
$this->description = __('Pay securely via credit card using Redsys.', 'eb-redsys-gateway');
// Load settings
$this->test_mode = get_option('eb_redsys_test_mode', 'yes');
$this->merchant_code = get_option('eb_redsys_merchant_code');
$this->terminal = get_option('eb_redsys_terminal');
$this->encryption_key = get_option('eb_redsys_encryption_key');
// Initialize API
$this->api = new Redsys_API();
// Hooks
add_action('eb_payment_gateway_redsys', array($this, 'process_payment'));
add_action('eb_payment_gateway_redsys_callback', array($this, 'process_callback'));
}
public function get_endpoint() {
return ($this->test_mode === 'yes')
? 'https://sis-t.redsys.es:25443/sis/realizarPago'
: 'https://sis.redsys.es/sis/realizarPago';
}
public function process_payment($booking_data) {
$order_id = $booking_data['booking_id'];
$amount = $booking_data['amount'];
// Prepare payment data
$payment_data = array(
'DS_MERCHANT_AMOUNT' => $amount * 100, // Amount in cents
'DS_MERCHANT_ORDER' => $order_id,
'DS_MERCHANT_MERCHANTCODE' => $this->merchant_code,
'DS_MERCHANT_CURRENCY' => '978', // EUR
'DS_MERCHANT_TRANSACTIONTYPE' => '0', // Authorization
'DS_MERCHANT_TERMINAL' => $this->terminal,
'DS_MERCHANT_MERCHANTURL' => add_query_arg('gateway', 'redsys', eb_get_callback_url()),
'DS_MERCHANT_URLOK' => add_query_arg('result', 'success', eb_get_return_url($order_id)),
'DS_MERCHANT_URLKO' => add_query_arg('result', 'failure', eb_get_return_url($order_id))
);
// For future dated payments
if (!empty($booking_data['check_in_date'])) {
$payment_data['DS_MERCHANT_DATEFRECUENCY'] = '1'; // Daily frequency
$payment_data['DS_MERCHANT_CHARGEEXPIRYDATE'] = date('d/m/Y', strtotime($booking_data['check_in_date']));
$payment_data['DS_MERCHANT_TRANSACTIONTYPE'] = 'L'; // Deferred payment
}
// Generate signature
$signature = $this->api->createMerchantSignature($this->encryption_key, $payment_data);
// Build form
$form = '';
$form .= '';
echo $form;
exit;
}
public function process_callback() {
$params = $_POST['Ds_MerchantParameters'];
$signature = $_POST['Ds_Signature'];
// Verify signature
if (!$this->api->check_signature($params, $signature, $this->encryption_key)) {
wp_die('Invalid signature', 'Redsys Error', array('response' => 403));
}
$response = $this->api->decode_parameters($params);
// Check response code
if ($response['Ds_Response'] < 100) {
// Payment successful
$order_id = $response['Ds_Order'];
$transaction_id = $response['Ds_AuthorisationCode'];
// Update booking status
eb_update_booking_status($order_id, 'completed', $transaction_id);
echo "OK"; // Response to Redsys
exit;
}
// Payment failed
$order_id = $response['Ds_Order'];
eb_update_booking_status($order_id, 'failed');
echo "KO";
exit;
}
}