/**
* Handle the reception of notification from the payment gateway
*
* @param string $extensionName Name of the extension
* @param string $ownerName Name of the owner
* @param array $data Data to fill out Payment form
* @param array &$logData Log data for payment api
*
* @return bool paid status
*/
public function handleCallback($extensionName, $ownerName, $data, &$logData)
{
$post = JFactory::getApplication()->input->post->getArray();
$postData = array();
// Read the post from PayPal system and add 'cmd'
$postData[] = 'cmd=_notify-validate';
foreach ($post as $key => $value) {
$value = urlencode(stripslashes($value));
$postData[] = "{$key}={$value}";
}
$request = implode('&', $postData);
$response = $this->getRequestFromGateway($request);
if (strcmp($response, "VERIFIED") == 0) {
/* Check the payment_status is Completed
check that txn_id has not been previously processed
check that receiver_email is your Primary PayPal email
check that payment_amount/payment_currency are correct */
$payment = $this->getPaymentByExtensionOrderData($extensionName, $data);
if ($post['mc_gross'] != $payment->amount_total) {
$statusText = JText::sprintf('LIB_REDCORE_PAYMENT_ERROR_PRICE_MISMATCH', $extensionName, $this->paymentName, $payment->amount_total, $post['mc_gross']);
RApiPaymentHelper::logToFile($this->paymentName, $extensionName, $data, $isValid = false, $statusText);
$logData['status'] = RApiPaymentStatus::getStatusCreated();
$logData['message_text'] = $statusText;
return false;
} elseif ($post['mc_currency'] != $payment->currency) {
$statusText = JText::sprintf('LIB_REDCORE_PAYMENT_ERROR_CURRENCY_MISMATCH', $extensionName, $this->paymentName, $payment->currency, $post['mc_currency']);
RApiPaymentHelper::logToFile($this->paymentName, $extensionName, $data, $isValid = false, $statusText);
$logData['status'] = RApiPaymentStatus::getStatusCreated();
$logData['message_text'] = $statusText;
return false;
}
// We are clear to log successful payment log now
// Paypal have very similar structure of Status response so we can actually get them directly
$logData['status'] = RApiPaymentStatus::getStatus($post['payment_status']);
if ($logData['status'] == RApiPaymentStatus::getStatusCompleted()) {
$statusText = JText::sprintf('LIB_REDCORE_PAYMENT_SUCCESSFUL', $extensionName, $this->paymentName);
} else {
$statusText = JText::sprintf('LIB_REDCORE_PAYMENT_CALLBACK_STATUS', $extensionName, $logData['status'], $this->paymentName);
}
RApiPaymentHelper::logToFile($this->paymentName, $extensionName, $data, $isValid = true, $statusText);
} elseif (strcmp($response, "INVALID") == 0) {
$statusText = JText::sprintf('LIB_REDCORE_PAYMENT_ERROR_IN_PAYMENT_GATEWAY', $extensionName, $this->paymentName, 'INVALID IPN');
RApiPaymentHelper::logToFile($this->paymentName, $extensionName, $data, $isValid = false, $statusText);
$logData['status'] = RApiPaymentStatus::getStatusCreated();
$logData['message_text'] = $statusText;
return false;
} else {
$statusText = JText::sprintf('LIB_REDCORE_PAYMENT_ERROR_IN_PAYMENT_GATEWAY', $extensionName, $this->paymentName, 'HTTP ERROR');
RApiPaymentHelper::logToFile($this->paymentName, $extensionName, $data, $isValid = false, $statusText);
$logData['status'] = RApiPaymentStatus::getStatusCreated();
$logData['message_text'] = $statusText;
return false;
}
$logData['message_text'] = $statusText;
$logData['currency'] = $payment->currency;
$logData['amount'] = $payment->amount_total;
$logData['transaction_id'] = $data['txn_id'];
return true;
}
