OpenCart 🇺🇦

$this->language->load('payment/sagepay');

$this->data['button_confirm'] = $this->language->get('button_confirm');

if ($this->config->get('sagepay_test') == 'live') {
	$this->data['action'] = 'https://live.sagepay.com/gateway/service/vspform-register.vsp';
} elseif ($this->config->get('sagepay_test') == 'test') {
	$this->data['action'] = 'https://test.sagepay.com/gateway/service/vspform-register.vsp';		
} elseif ($this->config->get('sagepay_test') == 'sim') {
	$this->data['action'] = 'https://test.sagepay.com/simulator/vspformgateway.asp';
}

$vendor = $this->config->get('sagepay_vendor');
$password = $this->config->get('sagepay_password');		

$this->load->model('checkout/order');

$order_info = $this->model_checkout_order->getOrder($this->session->data['order_id']);

$data = array();

$data['VendorTxCode'] = $this->session->data['order_id'];
$data['ReferrerID'] = 'E511AF91-E4A0-42DE-80B0-09C981A3FB61';
$data['Amount'] = $this->currency->format($order_info['total'], $order_info['currency_code'], $order_info['currency_value'], false);
$data['Currency'] = $order_info['currency_code'];
$data['Description'] = sprintf($this->language->get('text_description'), date($this->language->get('date_format_short')), $this->session->data['order_id']);
$data['SuccessURL'] = str_replace('&', '&', $this->url->link('payment/sagepay/success', 'order_id=' . $this->session->data['order_id']));
$data['FailureURL'] = str_replace('&', '&', $this->url->link('checkout/checkout', '', 'SSL'));

$data['CustomerName'] = html_entity_decode($order_info['payment_firstname'] . ' ' . $order_info['payment_lastname'], ENT_QUOTES, 'UTF-8');
$data['SendEMail'] = '1';
$data['CustomerEMail'] = $order_info['email'];
$data['VendorEMail'] = $this->config->get('config_email');  

$data['BillingFirstnames'] = $order_info['payment_firstname'];
$data['BillingSurname'] = $order_info['payment_lastname'];
$data['BillingAddress1'] = $order_info['payment_address_1'];

if ($order_info['payment_address_2']) {
	$data['BillingAddress2'] = $order_info['payment_address_2'];
}

$data['BillingCity'] = $order_info['payment_city'];
$data['BillingPostCode'] = $order_info['payment_postcode'];
$data['BillingCountry'] = $order_info['payment_iso_code_2'];

if ($order_info['payment_iso_code_2'] == 'US') {
	$data['BillingState'] = $order_info['payment_zone_code'];
}

$data['BillingPhone'] = $order_info['telephone'];

if ($this->cart->hasShipping()) {
	$data['DeliveryFirstnames'] = $order_info['shipping_firstname'];
	$data['DeliverySurname'] = $order_info['shipping_lastname'];
	$data['DeliveryAddress1'] = $order_info['shipping_address_1'];

	if ($order_info['shipping_address_2']) {
		$data['DeliveryAddress2'] = $order_info['shipping_address_2'];
	}

	$data['DeliveryCity'] = $order_info['shipping_city'];
	$data['DeliveryPostCode'] = $order_info['shipping_postcode'];
	$data['DeliveryCountry'] = $order_info['shipping_iso_code_2'];

	if ($order_info['shipping_iso_code_2'] == 'US') {
		$data['DeliveryState'] = $order_info['shipping_zone_code'];
	}

	$data['DeliveryPhone'] = $order_info['telephone'];
} else {
	$data['DeliveryFirstnames'] = $order_info['payment_firstname'];
	$data['DeliverySurname'] = $order_info['payment_lastname'];
	$data['DeliveryAddress1'] = $order_info['payment_address_1'];

	if ($order_info['payment_address_2']) {
		$data['DeliveryAddress2'] = $order_info['payment_address_2'];
	}

	$data['DeliveryCity'] = $order_info['payment_city'];
	$data['DeliveryPostCode'] = $order_info['payment_postcode'];
	$data['DeliveryCountry'] = $order_info['payment_iso_code_2'];

	if ($order_info['payment_iso_code_2'] == 'US') {
		$data['DeliveryState'] = $order_info['payment_zone_code'];
	}

	$data['DeliveryPhone'] = $order_info['telephone'];			
}

$data['AllowGiftAid'] = '0';

if (!$this->config->get('sagepay_transaction')) {
	$data['ApplyAVSCV2'] = '0';
}

$data['Apply3DSecure'] = '0';

$this->data['transaction'] = $this->config->get('sagepay_transaction');
$this->data['vendor'] = $vendor;

$crypt_data = array();

foreach($data as $key => $value){
	$crypt_data[] = $key . '=' . $value;
}

$this->data['crypt'] = base64_encode($this->simpleXor(utf8_decode(implode('&', $crypt_data)), $password));

if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/payment/sagepay.tpl')) {
	$this->template = $this->config->get('config_template') . '/template/payment/sagepay.tpl';
} else {
	$this->template = 'default/template/payment/sagepay.tpl';
}	

$this->render();		

if (isset($this->request->get['crypt'])) {
	$string = base64_decode(str_replace(' ', '+', $this->request->get['crypt']));
	$password = $this->config->get('sagepay_password');	

	$output = utf8_encode($this->simpleXor($string, $password));

	$data = $this->getToken($output);

	if ($data && is_array($data)) {
		$this->load->model('checkout/order');

		$this->model_checkout_order->confirm($this->request->get['order_id'], $this->config->get('config_order_status_id'));

		$message = '';

		if (isset($data['VPSTxId'])) { 
			$message .= 'VPSTxId: ' . $data['VPSTxId'] . "\n";
		}

		if (isset($data['TxAuthNo'])) {
			$message .= 'TxAuthNo: ' . $data['TxAuthNo'] . "\n";
		}

		if (isset($data['AVSCV2'])) {
			$message .= 'AVSCV2: ' . $data['AVSCV2'] . "\n";
		}

		if (isset($data['AddressResult'])) {
			$message .= 'AddressResult: ' . $data['AddressResult'] . "\n";
		}

		if (isset($data['PostCodeResult'])) {
			$message .= 'PostCodeResult: ' . $data['PostCodeResult'] . "\n";
		}

		if (isset($data['CV2Result'])) {
			$message .= 'CV2Result: ' . $data['CV2Result'] . "\n";
		}

		if (isset($data['3DSecureStatus'])) {
			$message .= '3DSecureStatus: ' . $data['3DSecureStatus'] . "\n";
		}

		if (isset($data['CAVV'])) {
			$message .= 'CAVV: ' . $data['CAVV'] . "\n";
		}

		if (isset($data['CardType'])) {
			$message .= 'CardType: ' . $data['CardType'] . "\n";
		}

		if (isset($data['Last4Digits'])) {
			$message .= 'Last4Digits: ' . $data['Last4Digits'] . "\n";
		}

		if ($data['Status'] == 'OK') {
			$this->model_checkout_order->update($this->request->get['order_id'], $this->config->get('sagepay_order_status_id'), $message, false);
		} else {
			$this->model_checkout_order->update($this->request->get['order_id'], $this->config->get('config_order_status_id'), $message, false);
		}

		$this->redirect($this->url->link('checkout/success'));
	}
}

$data = array();

for ($i = 0; $i < strlen($password); $i++) {
	$data[$i] = ord(substr($password, $i, 1));
}

$output = '';

for ($i = 0; $i < strlen($string); $i++) {
	$output .= chr(ord(substr($string, $i, 1)) ^ ($data[$i % strlen($password)]));
}

return $output;		

$tokens = array(
	'Status',
	'StatusDetail',
	'VendorTxCode',
	'VPSTxId',
	'TxAuthNo',
	'Amount',
	'AVSCV2',
	'AddressResult',
	'PostCodeResult',
	'CV2Result',
	'GiftAid',
	'3DSecureStatus',
	'CAVV',
	'AddressStatus',
	'CardType',
	'Last4Digits',
	'PayerStatus',
	'CardType'
);		

$output = array();
$data = array();

for ($i = count($tokens) - 1; $i >= 0; $i--){
	$start = strpos($string, $tokens[$i]);

	if ($start !== false) {
		$data[$i]['start'] = $start;
		$data[$i]['token'] = $tokens[$i];
	}
}

sort($data);

for ($i = 0; $i < count($data); $i++){
	$start = $data[$i]['start'] + strlen($data[$i]['token']) + 1;

	if ($i == (count($data) - 1)) {
		$output[$data[$i]['token']] = substr($string, $start);
	} else {
		$length = $data[$i+1]['start'] - $data[$i]['start'] - strlen($data[$i]['token']) - 2;

		$output[$data[$i]['token']] = substr($string, $start, $length);
	}      

}

return $output;