function __signature($amount, $order, $code, $currency, $clave)
{
$sha = new SHA();
$message = $amount . $order . $code . $currency . $clave;
$digest1 = $sha->hash_string($message);
$signature = strtoupper($sha->hash_to_string($digest1));
return $signature;
}
public function after_extern_process()
{
global $temp_orders_id;
if (isset($_GET['SHASIGN'])) {
include DIR_WS_CLASSES . 'sha.php';
$get_params = array();
foreach ($_GET as $key => $value) {
if ($key != 'SHASIGN' && $key != 'force_checkout_step' && $key != 'customer_id' && $key != 'osCsid' && trim($value) != '') {
$get_params[strtoupper($key)] = $value;
}
}
ksort($get_params);
$temp_data = Checkout::get_all_data_from_temp_db($temp_orders_id);
$hash_string = '';
foreach ($get_params as $key => $value) {
$hash_string .= strtoupper($key) . '=' . $value . $this->instances[$temp_data[$temp_orders_id]['orders']['payment_method']]['sha_string'];
}
$sha = new SHA();
$hasharray = $sha->hash_string($hash_string);
$hash = strtoupper($sha->hash_to_string($hasharray));
if ($_GET['SHASIGN'] != $hash) {
//wrong ogone parameters
$this->errors[$temp_data[$temp_orders_id]['orders']['payment_method']] = Translate('Er is iets fout gelopen bij de afhandeling van uw betaling. Contacteer ons voor meer uitleg.');
}
$_GET['force_checkout_step'] = Checkout::get_step_for_type($this->type);
$_POST['checkout_step'] = Checkout::last_active_step();
}
return;
}
