OpenCart 🇺🇦

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

$this->data['action'] = $this->config->get('authorizenet_sim_url');

$this->load->model('checkout/order');
$order_info = $this->model_checkout_order->getOrder($this->session->data['order_id']);

$data =& $this->data;

/* 6.1 Essential Fields
 * The following parameters are required, and validated with each request. If one
 * is missing or the validation fails the customer will see an error page. The
 * merchant will also receive an email explaining the problem.
 */

/** Payment Page ID from the Administration Console
 *  Varies by merchant
 *	Maximum length 20, the Payment Page ID from the Administration Console. Case-sensitive.
 */
$data['x_login'] = $this->config->get('authorizenet_sim_merchant');

/** 
 * 
 * Chosen by merchant 	Can be a random number. Used in "x_fp_hash" 
 * calculation in order to make it unique but not used otherwise. 
 * Returned with Relay Response / Silent Post / Receipt Link. 
 * No length restriction
 * 
 * @var unknown_type
 */
$data['x_fp_sequence'] = $this->session->data['order_id'];

/** 
 * 
 * Time in seconds since January 1, 1970. UTC, Coordinated Universal Time
 * Requests expire after 15 minutes / 900 seconds.
 * 
 * @var Time in seconds since January 1, 1970. UTC
 */
$data['x_fp_timestamp'] = time();

/** 
 * 
 * Positive number
 * Total dollar amount to be charged inclusive of freight and tax; Maximum Length 15
 * 
 * @var Positive number
 */
$data['x_amount'] = $this->currency->format($order_info['total'], $order_info['currency_code'], $order_info['currency_value'], false);	

/** 
 * 
 * HMAC-MD5  hash from the merchant's transaction key and 
 * concatenation of the values for "x_login", "x_fp_sequence", 
 * "x_fp_timestamp", "x_amount", and (if given) "x_currency_code" 
 * � all separated by the  "^" character. Note that if 
 * "x_currency_code" is not present, then a "^" character is still 
 * added. The transaction key is generated within the payment page 
 * configuration section of the Administration console tab, 
 * "Keys".
 * @var String
 */
$data['x_fp_hash'] = null; // calculated later, once all fields are populated		

/** 
 * 
 * PAYMENT_FORM Case-sensitive
 * 
 * Required in order to stay compatible with the Authorize.Net 
 * protocol. 
 * 
 * @var String
 */
$data['x_show_form'] = 'PAYMENT_FORM';

/* 6.2 Transaction and Display Fields */
$mode = $this->config->get('authorizenet_sim_mode');
if ($mode == 'live') {
	$data['x_test_request'] = 'false';
} else {
	$data['x_test_request'] = 'true';
}
$data['x_type'] = 'AUTH_CAPTURE';
$data['x_currency_code'] = $this->currency->getCode();

/* 6.3 Order and Customer Detail Fields */

/* Order Information Fields */
$data['x_invoice_num'] = $this->session->data['order_id'];
$data['x_description'] = html_entity_decode($this->config->get('config_name'), ENT_QUOTES, 'UTF-8');

/* Customer Name and Billing Address Fields */
$data['x_first_name'] = html_entity_decode($order_info['payment_firstname'], ENT_QUOTES, 'UTF-8');
$data['x_last_name'] = html_entity_decode($order_info['payment_lastname'], ENT_QUOTES, 'UTF-8');
$data['x_company'] = html_entity_decode($order_info['payment_company'], ENT_QUOTES, 'UTF-8');
$data['x_address'] = html_entity_decode($order_info['payment_address_1'], ENT_QUOTES, 'UTF-8') . ' ' . html_entity_decode($order_info['payment_address_2'], ENT_QUOTES, 'UTF-8');
$data['x_city'] = html_entity_decode($order_info['payment_city'], ENT_QUOTES, 'UTF-8');
$data['x_state'] = html_entity_decode($order_info['payment_zone'], ENT_QUOTES, 'UTF-8');
$data['x_zip'] = html_entity_decode($order_info['payment_postcode'], ENT_QUOTES, 'UTF-8');
$data['x_country'] = html_entity_decode($order_info['payment_country'], ENT_QUOTES, 'UTF-8');
$data['x_phone'] = $order_info['telephone'];

/* Customer Shipping Address Fields */
$data['x_ship_to_first_name'] = html_entity_decode($order_info['shipping_firstname'], ENT_QUOTES, 'UTF-8');
$data['x_ship_to_last_name'] = html_entity_decode($order_info['shipping_lastname'], ENT_QUOTES, 'UTF-8');
$data['x_ship_to_company'] = html_entity_decode($order_info['shipping_company'], ENT_QUOTES, 'UTF-8');
$data['x_ship_to_address'] = html_entity_decode($order_info['shipping_address_1'], ENT_QUOTES, 'UTF-8') . ' ' . html_entity_decode($order_info['shipping_address_2'], ENT_QUOTES, 'UTF-8');
$data['x_ship_to_city'] = html_entity_decode($order_info['shipping_city'], ENT_QUOTES, 'UTF-8');
$data['x_ship_to_state'] = html_entity_decode($order_info['shipping_zone'], ENT_QUOTES, 'UTF-8');
$data['x_ship_to_zip'] = html_entity_decode($order_info['shipping_postcode'], ENT_QUOTES, 'UTF-8');
$data['x_ship_to_country'] = html_entity_decode($order_info['shipping_country'], ENT_QUOTES, 'UTF-8');

/* Additional Customer Data Field */
$data['x_customer_ip'] = $this->request->server['REMOTE_ADDR'];
$data['x_email'] = $order_info['email'];

/* 7 Relay Response Mode */
$data['x_relay_response'] = 'true';

// calculate this after all our fields are generated
$data['x_fp_hash'] = $this->calculateFpHash();

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

$this->render();	

$this->load->library('hash');
$hash = new Hash();

$data = $this->data;

$code = $data['x_login'] . '^' . $data['x_fp_sequence'] . '^' .
	$data['x_fp_timestamp'] . '^' . $data['x_amount'] . '^' .
	$data['x_currency_code'];

$fp_hash = $hash->hmac_md5($code, 
	$this->config->get('authorizenet_sim_transaction_key') );

return $fp_hash;

$this->load->library('hash');
$hash = new Hash();

$data = $this->request->post;

$code = $this->config->get('authorizenet_sim_response_key') . 
	$data['x_login'] . $data['x_trans_id'] . $data['x_amount'];

return md5($code);

//Transaction_Approved
$details =& $this->request->post;

// Ensure our hashes are in the same case
$calc_hash = strtolower($this->calculateResponseHash() );
$posted_hash = strtolower($details['x_MD5_Hash']);

$data =& $this->data;
$data['x_response_reason_text'] = $details['x_response_reason_text'];
$data['x_response_code'] = $details['x_response_code'];
$data['exact_ctr'] = $details['exact_ctr'];
$data['exact_issname'] = $details['exact_issname'];
$data['exact_issconf'] = $details['exact_issconf'];
$data['hash_match'] = ($calc_hash == $posted_hash);
$data['order_id'] = $details['x_invoice_num'];

$data['button_confirm'] = $this->language->get('button_continue');
$data['confirm'] = $this->url->https('checkout/success');

if ($data['hash_match'] ) {
	$order_id = $data['order_id'];
	$this->load->model('checkout/order');
	$order_info = $this->model_checkout_order->getOrder($order_id);

	if ($order_info) {
		if ($data['x_response_code'] == '1') {
			$this->model_checkout_order->confirm($order_id, $this->config->get('authorizenet_sim_order_status_id'));
		} else {
			$this->model_checkout_order->confirm($order_id, $this->config->get('config_order_status_id') );
		}
	}
}

$this->document->breadcrumbs = array(); 

$this->document->breadcrumbs[] = array(
	'href'      => $this->url->http('common/home'),
	'text'      => $this->language->get('text_home'),
	'separator' => false
);


$this->document->breadcrumbs[] = array(
	'href'      => $this->url->http('checkout/cart'),
	'text'      => $this->language->get('text_basket'),
	'separator' => $this->language->get('text_separator')
);

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

$this->render();