/**
* Process Pingback Request
*
* Validates the incoming POST/GET response from the gateway to ensure it is
* legitimate and can be trusted.
*
* @param array $get The GET data for this request
* @param array $post The POST data for this request
* @return array An array of transaction data, sets any errors using Input if the data fails to validate
* - client_id The ID of the client that attempted the payment
* - amount The amount of the payment
* - currency The currency of the payment
* - invoices An array of invoices and the amount the payment should be applied to (if any) including:
* - id The ID of the invoice to apply to
* - amount The amount to apply to the invoice
* - status The status of the transaction (approved, declined, void, pending, reconciled, refunded, returned)
* - reference_id The reference ID for gateway-only use with this transaction (optional)
* - transaction_id The ID returned by the gateway to identify this transaction
* - parent_transaction_id The ID returned by the gateway to identify this transaction's original transaction (in the case of refunds)
*/
public function validate(array $get, array $post)
{
$status = "error";
$amount = 0;
$currency = '';
$this->initPaymentwallConfigs();
$pingback = new Paymentwall_Pingback($_GET, $this->getRealClientIP());
list($type, $client_id, $amount, $currency, $gateway_id, $company_id) = explode('|', $pingback->getProductId());
if (!$amount or !$currency) {
$this->Input->setErrors($this->getCommonError("invalid"));
}
if ($pingback->validate()) {
if ($pingback->isDeliverable()) {
$status = 'approved';
} elseif ($pingback->isCancelable()) {
$status = 'declined';
}
} else {
$status = 'error';
}
// Log the response
$this->log($this->ifSet($_SERVER['REQUEST_URI']), serialize($get), "output", true);
// Clone function processNotification in class GatewayPayments
// Process transaction after validate
$this->processTransaction(array('client_id' => $pingback->getUserId(), 'amount' => $amount, 'currency' => $currency, 'status' => $status, 'reference_id' => null, 'transaction_id' => $pingback->getReferenceId(), 'parent_transaction_id' => null, 'invoices' => $this->unserializeInvoices($pingback->getParameter('invoice')), 'gateway_id' => $gateway_id, 'company_id' => $company_id));
}