/**
* Validate PayPal transaction.
*
* @param array $data POST data
* @param string $realCurrency
* @param VirtualCurrencyPaymentSession $paymentSession
* @param Joomla\Registry\Registry $params
*
* @return array
*/
protected function validateData($data, $realCurrency, $paymentSession, $params)
{
$txnDate = JArrayHelper::getValue($data, "payment_date");
$date = new JDate($txnDate);
// Prepare transaction data
$transaction = array("sender_id" => (int) $params->get("payments_bank_id"), "receiver_id" => (int) $paymentSession->getUserId(), "currency_id" => (int) $paymentSession->getCurrencyId(), "units" => (int) $paymentSession->getAmount(), "service_provider" => "PayPal", "txn_id" => JArrayHelper::getValue($data, "txn_id", null, "string"), "txn_amount" => JArrayHelper::getValue($data, "mc_gross", null, "float"), "txn_currency" => JArrayHelper::getValue($data, "mc_currency", null, "string"), "txn_status" => JString::strtolower(JArrayHelper::getValue($data, "payment_status", null, "string")), "txn_date" => $date->toSql());
// Check Currency ID and Transaction ID
if (!$transaction["currency_id"] or !$transaction["txn_id"]) {
// Log data in the database
$this->log->add(JText::_($this->textPrefix . "_ERROR_INVALID_TRANSACTION_DATA"), $this->debugType, $transaction);
return null;
}
// Check real currency.
if (strcmp($transaction["txn_currency"], $realCurrency) != 0) {
// Log data in the database
$this->log->add(JText::_($this->textPrefix . "_ERROR_INVALID_TRANSACTION_CURRENCY"), $this->debugType, array("TRANSACTION DATA" => $transaction, "CURRENCY" => $realCurrency));
return null;
}
// Check receiver
$allowedReceivers = array(JString::strtolower(JArrayHelper::getValue($data, "business")), JString::strtolower(JArrayHelper::getValue($data, "receiver_email")), JString::strtolower(JArrayHelper::getValue($data, "receiver_id")));
if ($this->params->get("paypal_sandbox", 0)) {
$receiver = JString::strtolower(JString::trim($this->params->get("paypal_sandbox_business_name")));
} else {
$receiver = JString::strtolower(JString::trim($this->params->get("paypal_business_name")));
}
if (!in_array($receiver, $allowedReceivers)) {
// Log data in the database
$this->log->add(JText::_($this->textPrefix . "_ERROR_INVALID_RECEIVER"), $this->debugType, array("TRANSACTION DATA" => $transaction, "RECEIVER" => $receiver, "RECEIVER DATA" => $allowedReceivers));
return null;
}
return $transaction;
}
