/**
* Validate the postback data
* @since version 1.0.0
* @access public
* @return boolean
*/
public function validate()
{
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
$this->_logger->log("Invalid request method", \Hansvn\Icepay\API\Logger::ERROR);
return false;
}
$this->_logger->log(sprintf("Postback: %s", serialize($_POST)), \Hansvn\Icepay\API\Logger::TRANSACTION);
/* @since version 1.0.2 */
foreach ($this->getPostbackResponseFields() as $obj => $param) {
$this->data->{$obj} = isset($_POST[$param]) ? $_POST[$param] : "";
}
if ($this->isVersionCheck()) {
return false;
}
if (!ParameterValidation::merchantID($this->data->merchant)) {
$this->_logger->log("Merchant ID is not numeric: {$this->data->merchant}", \Hansvn\Icepay\API\Logger::ERROR);
return false;
}
if (!ParameterValidation::amount($this->data->amount)) {
$this->_logger->log("Amount is not numeric: {$this->data->amount}", \Hansvn\Icepay\API\Logger::ERROR);
return false;
}
if ($this->_merchantID != $this->data->merchant) {
$this->_logger->log("Invalid Merchant ID: {$this->data->merchant}", \Hansvn\Icepay\API\Logger::ERROR);
return false;
}
if (!in_array(strtoupper($this->data->status), array(StatusCode::OPEN, StatusCode::AUTHORIZED, StatusCode::SUCCESS, StatusCode::ERROR, StatusCode::REFUND, StatusCode::CHARGEBACK))) {
$this->_logger->log("Unknown status: {$this->data->status}", \Hansvn\Icepay\API\Logger::ERROR);
return false;
}
if ($this->generateChecksumForPostback() != $this->data->checksum) {
$this->_logger->log("Checksum does not match", \Hansvn\Icepay\API\Logger::ERROR);
return false;
}
return true;
}
/**
* Validate the merchant settings
*
* @since 1.0.0
* @throws \Exception
*/
private function validateSettings()
{
// Validate Merchant ID
if (!ParameterValidation::merchantID($this->getMerchantID())) {
throw new \Exception('Merchant ID not set, use the setMerchantID() method', 1001);
}
// Validate SecretCode
if (!ParameterValidation::secretCode($this->getSecretCode())) {
throw new \Exception('Secretcode ID not set, use the setSecretCode() method', 1002);
}
}