/**
* Validate PayPal transaction
*
* @param array $data
* @param string $currency
* @param Crowdfunding\Payment\Session $paymentSession
*
* @return array|null
*/
protected function validateData($data, $currency, $paymentSession)
{
$parentId = Joomla\Utilities\ArrayHelper::getValue($data, 'parent_txn_id', '', 'string');
if ($parentId !== '') {
$transaction = new Crowdfunding\Transaction(JFactory::getDbo());
$transaction->load(array('txn_id' => $parentId));
$investorId = (int) $transaction->getInvestorId();
$projectId = (int) $transaction->getProjectId();
$rewardId = (int) $transaction->getRewardId();
} else {
$investorId = (int) $paymentSession->getUserId();
$projectId = (int) $paymentSession->getProjectId();
$rewardId = $paymentSession->isAnonymous() ? 0 : (int) $paymentSession->getRewardId();
}
$txnDate = Joomla\Utilities\ArrayHelper::getValue($data, 'payment_date');
$date = new JDate($txnDate);
// Get additional information from transaction.
$extraData = $this->prepareExtraData($data);
// Prepare transaction data
$transaction = array('investor_id' => $investorId, 'project_id' => $projectId, 'reward_id' => $rewardId, 'service_provider' => $this->serviceProvider, 'service_alias' => $this->serviceAlias, 'txn_id' => Joomla\Utilities\ArrayHelper::getValue($data, 'txn_id', '', 'string'), 'parent_txn_id' => $parentId, 'txn_amount' => Joomla\Utilities\ArrayHelper::getValue($data, 'mc_gross', 0, 'float'), 'txn_currency' => Joomla\Utilities\ArrayHelper::getValue($data, 'mc_currency', '', 'string'), 'txn_status' => JString::strtolower(Joomla\Utilities\ArrayHelper::getValue($data, 'payment_status', '', 'string')), 'txn_date' => $date->toSql(), 'status_reason' => $this->getStatusReason($data), 'extra_data' => $extraData);
// Check Project ID and Transaction ID
if (!$transaction['project_id'] or !$transaction['txn_id']) {
// Log data in the database
$this->log->add(JText::_($this->textPrefix . '_ERROR_INVALID_TRANSACTION_DATA'), $this->debugType, $transaction);
return null;
}
// Check currency
if (strcmp($transaction['txn_currency'], $currency) !== 0) {
// Log data in the database
$this->log->add(JText::_($this->textPrefix . '_ERROR_INVALID_TRANSACTION_CURRENCY'), $this->debugType, array('TRANSACTION DATA' => $transaction, 'CURRENCY' => $currency));
return null;
}
// Check receiver
$allowedReceivers = array(JString::strtolower(Joomla\Utilities\ArrayHelper::getValue($data, 'business')), JString::strtolower(Joomla\Utilities\ArrayHelper::getValue($data, 'receiver_email')), JString::strtolower(Joomla\Utilities\ArrayHelper::getValue($data, 'receiver_id')));
if ($this->params->get('paypal_sandbox', 1)) {
$receiver = JString::strtolower(JString::trim($this->params->get('paypal_sandbox_business_name')));
} else {
$receiver = JString::strtolower(JString::trim($this->params->get('paypal_business_name')));
}
if (!in_array($receiver, $allowedReceivers, true)) {
// Log data in the database
$this->log->add(JText::_($this->textPrefix . '_ERROR_INVALID_RECEIVER'), $this->debugType, array('TRANSACTION DATA' => $data, 'RECEIVER' => $receiver, 'RECEIVER DATA' => $allowedReceivers));
return null;
}
return $transaction;
}
