/**
* Process IPN messages from Amazon
*
* @access public
* @since 2.4
* @return void
*/
public function process_ipn()
{
if (!isset($_GET['edd-listener']) || $_GET['edd-listener'] !== 'amazon') {
return;
}
if (isset($_GET['state'])) {
return;
}
// Get the IPN headers and Message body
$headers = getallheaders();
$body = file_get_contents('php://input');
$this->doing_ipn = true;
try {
$ipn = new IpnHandler($headers, $body);
$data = $ipn->toArray();
$seller_id = $data['SellerId'];
if ($seller_id != edd_get_option('amazon_seller_id', '')) {
wp_die(__('Invalid Amazon seller ID', 'edd'), __('IPN Error', 'edd'), array('response' => 401));
}
switch ($data['NotificationType']) {
case 'OrderReferenceNotification':
break;
case 'PaymentAuthorize':
break;
case 'PaymentCapture':
$key = $data['CaptureDetails']['CaptureReferenceId'];
$status = $data['CaptureDetails']['CaptureStatus']['State'];
if ('Declined' === $status) {
$payment_id = edd_get_purchase_id_by_key($key);
edd_update_payment_status($payment_id, 'failed');
edd_insert_payment_note($payment_id, __('Capture declined in Amazon', 'edd'));
}
break;
case 'PaymentRefund':
$trans_id = substr($data['RefundDetails']['AmazonRefundId'], 0, 19);
$status = $data['RefundDetails']['RefundStatus']['State'];
if ('Completed' === $status) {
$payment_id = edd_get_purchase_id_by_transaction_id($trans_id);
edd_update_payment_status($payment_id, 'refunded');
edd_insert_payment_note($payment_id, sprintf(__('Refund completed in Amazon. Refund ID: %s', 'edd'), $data['RefundDetails']['AmazonRefundId']));
}
break;
}
} catch (Exception $e) {
wp_die($e->getErrorMessage(), __('IPN Error', 'edd'), array('response' => 401));
}
}
/**
* Process PayPal IPN
*
* @since 1.0
* @return void
*/
function edd_process_paypal_ipn()
{
// Check the request method is POST
if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] != 'POST') {
return;
}
// Set initial post data to empty string
$post_data = '';
// Fallback just in case post_max_size is lower than needed
if (ini_get('allow_url_fopen')) {
$post_data = file_get_contents('php://input');
} else {
// If allow_url_fopen is not enabled, then make sure that post_max_size is large enough
ini_set('post_max_size', '12M');
}
// Start the encoded data collection with notification command
$encoded_data = 'cmd=_notify-validate';
// Get current arg separator
$arg_separator = edd_get_php_arg_separator_output();
// Verify there is a post_data
if ($post_data || strlen($post_data) > 0) {
// Append the data
$encoded_data .= $arg_separator . $post_data;
} else {
// Check if POST is empty
if (empty($_POST)) {
// Nothing to do
return;
} else {
// Loop through each POST
foreach ($_POST as $key => $value) {
// Encode the value and append the data
$encoded_data .= $arg_separator . "{$key}=" . urlencode($value);
}
}
}
// Convert collected post data to an array
parse_str($encoded_data, $encoded_data_array);
foreach ($encoded_data_array as $key => $value) {
if (false !== strpos($key, 'amp;')) {
$new_key = str_replace('&', '&', $key);
$new_key = str_replace('amp;', '&', $new_key);
unset($encoded_data_array[$key]);
$encoded_data_array[$new_key] = $value;
}
}
// Get the PayPal redirect uri
$paypal_redirect = edd_get_paypal_redirect(true);
if (!edd_get_option('disable_paypal_verification')) {
// Validate the IPN
$remote_post_vars = array('method' => 'POST', 'timeout' => 45, 'redirection' => 5, 'httpversion' => '1.1', 'blocking' => true, 'headers' => array('host' => 'www.paypal.com', 'connection' => 'close', 'content-type' => 'application/x-www-form-urlencoded', 'post' => '/cgi-bin/webscr HTTP/1.1'), 'sslverify' => false, 'body' => $encoded_data_array);
// Get response
$api_response = wp_remote_post(edd_get_paypal_redirect(true), $remote_post_vars);
if (is_wp_error($api_response)) {
edd_record_gateway_error(__('IPN Error', 'easy-digital-downloads'), sprintf(__('Invalid IPN verification response. IPN data: %s', 'easy-digital-downloads'), json_encode($api_response)));
return;
// Something went wrong
}
if (wp_remote_retrieve_body($api_response) !== 'VERIFIED' && edd_get_option('disable_paypal_verification', false)) {
edd_record_gateway_error(__('IPN Error', 'easy-digital-downloads'), sprintf(__('Invalid IPN verification response. IPN data: %s', 'easy-digital-downloads'), json_encode($api_response)));
return;
// Response not okay
}
}
// Check if $post_data_array has been populated
if (!is_array($encoded_data_array) && !empty($encoded_data_array)) {
return;
}
$defaults = array('txn_type' => '', 'payment_status' => '');
$encoded_data_array = wp_parse_args($encoded_data_array, $defaults);
$payment_id = 0;
if (!empty($encoded_data_array['parent_txn_id'])) {
$payment_id = edd_get_purchase_id_by_transaction_id($encoded_data_array['parent_txn_id']);
} elseif (!empty($encoded_data_array['txn_id'])) {
$payment_id = edd_get_purchase_id_by_transaction_id($encoded_data_array['txn_id']);
}
if (empty($payment_id)) {
$payment_id = !empty($encoded_data_array['custom']) ? absint($encoded_data_array['custom']) : 0;
}
if (has_action('edd_paypal_' . $encoded_data_array['txn_type'])) {
// Allow PayPal IPN types to be processed separately
do_action('edd_paypal_' . $encoded_data_array['txn_type'], $encoded_data_array, $payment_id);
} else {
// Fallback to web accept just in case the txn_type isn't present
do_action('edd_paypal_web_accept', $encoded_data_array, $payment_id);
}
exit;
}
