public function paypalIpn()
{
$this->autoRender = false;
// https://developer.paypal.com/developer/ipnSimulator/
$listener = new IpnListener();
$listener->use_sandbox = true;
$listener->use_curl = true;
$listener->follow_location = false;
$listener->timeout = 30;
$listener->verify_ssl = true;
if ($verified = $listener->processIpn()) {
$transactionData = $listener->getPostData();
file_put_contents('../logs/ipn_success.log', print_r($transactionData, true) . PHP_EOL, LOCK_EX | FILE_APPEND);
$paymentsTable = TableRegistry::get('Payments');
$payment = $paymentsTable->newEntity();
if ($this->request->data['payment_status'] == "Completed") {
$payment->gross_amount = $this->request->data['payment_status'];
}
$payment->provider = 'PayPal';
$payment->transaction_id = $this->request->data['txn_id'];
$payment->transaction_type = $this->request->data['payment_type'];
$payment->gross_amount = $this->request->data['mc_gross'];
$payment->tax_amount = $this->request->data['tax'];
$payment->fee_amount = $this->request->data['mc_fee'];
$payment->currency = $this->request->data['mc_currency'];
$payment->received_amount = $payment->gross_amount - $payment->fee_amount;
$payment->quantity = floor($payment->gross_amount / Configure::read('WebAudit.CreditPrice'));
if ($this->request->data['payment_status'] == "Completed") {
$payment->status = 1;
} else {
$payment->status = 0;
}
$duplicatePayments = $paymentsTable->find('all')->where(['transaction_id' => $payment->transaction_id])->andWhere(['provider' => 'PayPal']);
if ($duplicatePayments->isEmpty()) {
if (!empty($this->request->data['custom'])) {
$usersTable = TableRegistry::get('Users');
$userID = $this->request->data['custom'];
$user = $usersTable->get($userID);
if (!empty($user)) {
$payment->user_id = $user->id;
}
}
if ($paymentsTable->save($payment)) {
$id = $payment->id;
if (!empty($payment->user_id)) {
$user->credit_amount += $payment->quantity;
$usersTable->save($user);
}
}
}
} else {
$errors = $listener->getErrors();
file_put_contents('../logs/ipn_errors.log', print_r($errors, true) . PHP_EOL, LOCK_EX | FILE_APPEND);
}
}
/**
* Process Paypal IPN
* @return [type] [description]
*/
public function paypal()
{
$errors = array();
$listener = new IpnListener();
$logTime = date('Y-m-d H:i:s', time());
if ($this->option('sandbox') == "on") {
$listener->use_sandbox = true;
}
if (isset($_POST['payment_status']) && $_POST['payment_status'] !== "Completed") {
$errors[$logTime][] = "Payment not completed.";
}
if (isset($_POST['receiver_email']) && $_POST['receiver_email'] !== $this->option('paypal_email')) {
$errors[$logTime][] = "Source ({$_POST['receiver_email']}) is not " . $this->option('paypal_email');
}
// Valid IPN
if (empty($errors) && ($verified = $listener->processIpn() && isset($_POST['txn_id']))) {
$transactionRawData = $listener->getRawPostData();
// raw data from PHP input stream
$transactionData = $listener->getPostData();
// POST data array
$content = array();
foreach ($transactionData as $data) {
$item = explode("=", $data);
$content[$item[0]] = $item[1];
}
$post = wp_insert_post(array('post_title' => $_POST['txn_id'] . '(' . $_POST['payer_email'] . ' to ' . $_POST['item_name'] . ')', 'post_content' => json_encode($content), 'post_type' => 'donations', 'post_status' => 'publish'));
if ($post) {
$donation = new Donation($post);
$donation->setAmount($_POST['mc_gross']);
$donation->setProject($_POST['item_number']);
$mailchimp_list_id = get_post_meta($_POST['item_number'], 'wppd_project_mailchimp_list_id', TRUE);
$this->addToMailchimp($mailchimp_list_id, $_POST['payer_email']);
file_put_contents(plugin_dir_path(__FILE__) . 'logs/success.log', print_r(array($logTime, $transactionData), TRUE) . PHP_EOL, LOCK_EX | FILE_APPEND);
return TRUE;
} else {
$errors[$logtime][] = "Failed to save donation (Transaction ID: {$_POST['txn_id']}).";
}
} else {
// Invalid IPN
$errors[$logTime][] = "Invalid IPN: " . $listener->getErrors();
}
if (count($errors) > 0) {
file_put_contents(plugin_dir_path(__FILE__) . 'logs/errors.log', print_r($errors, TRUE) . PHP_EOL, LOCK_EX | FILE_APPEND);
return $errors;
}
}
/**
* Process the callback data from the payment provider
*/
public function callback($request)
{
$this->extend('onBeforeCallback');
$data = $this->request->postVars();
$status = "error";
$order_id = 0;
$payment_id = 0;
$error_url = Controller::join_links(Director::absoluteBaseURL(), Payment_Controller::config()->url_segment, 'complete', 'error');
// Check if CallBack data exists and install id matches the saved ID
if (isset($data) && isset($data['custom']) && isset($data['payment_status'])) {
$order_id = $data['custom'];
$paypal_request = 'cmd=_notify-validate';
$final_response = "";
// If the transaction ID is set, keep it
if (array_key_exists("txn_id", $data)) {
$payment_id = $data["txn_id"];
}
$listener = new IpnListener();
if (Director::isDev()) {
$listener->use_sandbox = true;
}
try {
$verified = $listener->processIpn();
} catch (Exception $e) {
error_log("Exception caught: " . $e->getMessage());
return $this->httpError(500);
}
if ($verified) {
// IPN response was "VERIFIED"
switch ($data['payment_status']) {
case 'Canceled_Reversal':
$status = "canceled";
break;
case 'Completed':
$status = "paid";
break;
case 'Denied':
$status = "failed";
break;
case 'Expired':
$status = "failed";
break;
case 'Failed':
$status = "failed";
break;
case 'Pending':
$status = "pending";
break;
case 'Processed':
$status = "pending";
break;
case 'Refunded':
$status = "refunded";
break;
case 'Reversed':
$status = "canceled";
break;
case 'Voided':
$status = "canceled";
break;
}
} else {
error_log("Invalid payment status");
return $this->httpError(500);
}
} else {
error_log("No payment details set");
return $this->httpError(500);
}
$payment_data = ArrayData::array_to_object(array("OrderID" => $order_id, "PaymentProvider" => "PayPal", "PaymentID" => $payment_id, "Status" => $status, "GatewayData" => $data));
$this->setPaymentData($payment_data);
$this->extend('onAfterCallback');
return $this->httpError(200);
}
* implement a PayPal Instant Payment Notification (IPN) listener script.
*
* This package is available at GitHub:
* https://github.com/WadeShuler/PHP-PayPal-IPN/
*
* @package PHP-PayPal-IPN
* @link https://github.com/WadeShuler/PHP-PayPal-IPN
* @forked https://github.com/Quixotix/PHP-PayPal-IPN
* @author Wade Shuler
* @copyright Copyright (c) 2015, Wade Shuler
* @license http://choosealicense.com/licenses/gpl-2.0/
*/
// include the IpnListener Class, unless it's in your autoload
require_once dirname(dirname(__FILE__)) . DIRECTORY_SEPARATOR . 'src' . DIRECTORY_SEPARATOR . 'IpnListener.php';
use wadeshuler\paypalipn\IpnListener;
$listener = new IpnListener();
$listener->use_sandbox = true;
// Only needed for testing (sandbox), else omit or set false
if ($verified = $listener->processIpn()) {
// Valid IPN
/*
1. Check that $_POST['payment_status'] is "Completed"
2. Check that $_POST['txn_id'] has not been previously processed
3. Check that $_POST['receiver_email'] is your Primary PayPal email
4. Check that $_POST['payment_amount'] and $_POST['payment_currency'] are correct
*/
$transactionRawData = $listener->getRawPostData();
// raw data from PHP input stream
$transactionData = $listener->getPostData();
// POST data array
// Feel free to modify path and filename. Make SURE THE DIRECTORY IS WRITEABLE!