Provides a PayPal Standard Payment Gateway.
/**
* Find all subscription with a given billing agreement ID and cancel them becasue that billing agreement has been
* cancelled at PayPal, and therefore, no future payments can be charged.
*
* @since 2.0
*/
protected function cancel_subscriptions($billing_agreement_id)
{
$subscription_ids = get_posts(array('posts_per_page' => -1, 'post_type' => 'shop_subscription', 'post_status' => 'any', 'fields' => 'ids', 'orderby' => 'date', 'order' => 'DESC', 'meta_query' => array(array('key' => '_paypal_subscription_id', 'compare' => '=', 'value' => $billing_agreement_id))));
if (empty($subscription_ids)) {
return;
}
$note = esc_html__('Billing agreement cancelled at PayPal.', 'woocommerce-subscriptions');
foreach ($subscription_ids as $subscription_id) {
$subscription = wcs_get_subscription($subscription_id);
try {
if (false !== $subscription && !$subscription->has_status(wcs_get_subscription_ended_statuses())) {
$subscription->cancel_order($note);
WC_Gateway_Paypal::log(sprintf('Subscription %s Cancelled: %s', $subscription_id, $note));
}
} catch (Exception $e) {
WC_Gateway_Paypal::log(sprintf('Unable to cancel subscription %s: %s', $subscription_id, $e->getMessage()));
}
}
}
/**
* Check Response for PDT
*/
public function check_response()
{
if (empty($_REQUEST['cm']) || empty($_REQUEST['tx']) || empty($_REQUEST['st'])) {
return;
}
$order_id = wc_clean(stripslashes($_REQUEST['cm']));
$status = wc_clean(strtolower(stripslashes($_REQUEST['st'])));
$amount = wc_clean(stripslashes($_REQUEST['amt']));
$transaction = wc_clean(stripslashes($_REQUEST['tx']));
if (!($order = $this->get_paypal_order($order_id)) || !$order->has_status('pending')) {
return false;
}
if ($this->validate_transaction($transaction) && 'completed' === $status) {
if ($order->get_total() != $amount) {
WC_Gateway_Paypal::log('Payment error: Amounts do not match (amt ' . $amount . ')');
$this->payment_on_hold($order, sprintf(__('Validation error: PayPal amounts do not match (amt %s).', 'woocommerce'), $amount));
} else {
$this->payment_complete($order, $transaction, __('PDT payment completed', 'woocommerce'));
if (!empty($_REQUEST['mc_fee'])) {
// log paypal transaction fee
update_post_meta($order->id, 'PayPal Transaction Fee', wc_clean($_REQUEST['mc_fee']));
}
}
}
}
/**
* Get the order from the PayPal 'Custom' variable
*
* @param string $raw_custom JSON Data passed back by PayPal
* @return bool|WC_Order object
*/
protected function get_paypal_order($raw_custom)
{
// We have the data in the correct format, so get the order
if (($custom = json_decode($raw_custom)) && is_object($custom)) {
$order_id = $custom->order_id;
$order_key = $custom->order_key;
// Fallback to serialized data if safe. This is @deprecated in 2.3.11
} elseif (preg_match('/^a:2:{/', $raw_custom) && !preg_match('/[CO]:\\+?[0-9]+:"/', $raw_custom) && ($custom = maybe_unserialize($raw_custom))) {
$order_id = $custom[0];
$order_key = $custom[1];
// Nothing was found
} else {
WC_Gateway_Paypal::log('Error: Order ID and key were not found in "custom".');
return false;
}
if (!($order = wc_get_order($order_id))) {
// We have an invalid $order_id, probably because invoice_prefix has changed
$order_id = wc_get_order_id_by_order_key($order_key);
$order = wc_get_order($order_id);
}
if (!$order || $order->order_key !== $order_key) {
WC_Gateway_Paypal::log('Error: Order Keys do not match.');
return false;
}
return $order;
}
/**
* Logging method
* @param string $message
*/
public static function log($message)
{
if (self::$log_enabled) {
if (empty(self::$log)) {
self::$log = new WC_Logger();
}
self::$log->add('paypal', $message);
}
}
/**
* Get shipping args for paypal request
* @param WC_Order $order
* @return array
*/
protected function get_shipping_args($order)
{
$shipping_args = array();
if ('yes' == $this->gateway->get_option('send_shipping')) {
$shipping_args['address_override'] = $this->gateway->get_option('address_override') === 'yes' ? 1 : 0;
$shipping_args['no_shipping'] = 0;
// If we are sending shipping, send shipping address instead of billing
$shipping_args['first_name'] = $order->shipping_first_name;
$shipping_args['last_name'] = $order->shipping_last_name;
$shipping_args['company'] = $order->shipping_company;
$shipping_args['address1'] = $order->shipping_address_1;
$shipping_args['address2'] = $order->shipping_address_2;
$shipping_args['city'] = $order->shipping_city;
$shipping_args['state'] = $this->get_paypal_state($order->shipping_country, $order->shipping_state);
$shipping_args['country'] = $order->shipping_country;
$shipping_args['zip'] = $order->shipping_postcode;
} else {
$shipping_args['no_shipping'] = 1;
}
return $shipping_args;
}
/**
* Refund an order via PayPal.
* @param WC_Order $order
* @param float $amount
* @param string $reason
* @return object Either an object of name value pairs for a success, or a WP_ERROR object.
*/
public static function refund_transaction($order, $amount = null, $reason = '')
{
$raw_response = wp_safe_remote_post(self::$sandbox ? 'https://api-3t.sandbox.paypal.com/nvp' : 'https://api-3t.paypal.com/nvp', array('method' => 'POST', 'body' => self::get_refund_request($order, $amount, $reason), 'timeout' => 70, 'user-agent' => 'WooCommerce/' . WC()->version, 'httpversion' => '1.1'));
WC_Gateway_Paypal::log('Refund Response: ' . print_r($raw_response, true));
if (empty($raw_response['body'])) {
return new WP_Error('paypal-api', 'Empty Response');
} elseif (is_wp_error($raw_response)) {
return $raw_response;
}
parse_str($raw_response['body'], $response);
return (object) $response;
}
/**
* Check Response for PDT.
*/
public function check_response()
{
if (empty($_REQUEST['cm']) || empty($_REQUEST['tx']) || empty($_REQUEST['st'])) {
return;
}
$order_id = wc_clean(stripslashes($_REQUEST['cm']));
$status = wc_clean(strtolower(stripslashes($_REQUEST['st'])));
$amount = wc_clean(stripslashes($_REQUEST['amt']));
$transaction = wc_clean(stripslashes($_REQUEST['tx']));
if (!($order = $this->get_paypal_order($order_id)) || !$order->has_status('pending')) {
return false;
}
$transaction_result = $this->validate_transaction($transaction);
WC_Gateway_Paypal::log('PDT Transaction Result: ' . print_r($transaction_result, true));
update_post_meta($order->get_id(), '_paypal_status', $status);
update_post_meta($order->get_id(), '_transaction_id', $transaction);
if ($transaction_result) {
if ('completed' === $status) {
if ($order->get_total() != $amount) {
WC_Gateway_Paypal::log('Payment error: Amounts do not match (amt ' . $amount . ')');
$this->payment_on_hold($order, sprintf(__('Validation error: PayPal amounts do not match (amt %s).', 'woocommerce'), $amount));
} else {
$this->payment_complete($order, $transaction, __('PDT payment completed', 'woocommerce'));
// Log paypal transaction fee and other meta data.
if (!empty($transaction_result['mc_fee'])) {
update_post_meta($order->get_id(), 'PayPal Transaction Fee', $transaction_result['mc_fee']);
}
if (!empty($transaction_result['payer_email'])) {
update_post_meta($order->get_id(), 'Payer PayPal address', $transaction_result['payer_email']);
}
if (!empty($transaction_result['first_name'])) {
update_post_meta($order->get_id(), 'Payer first name', $transaction_result['first_name']);
}
if (!empty($transaction_result['last_name'])) {
update_post_meta($order->get_id(), 'Payer last name', $transaction_result['last_name']);
}
if (!empty($transaction_result['payment_type'])) {
update_post_meta($order->get_id(), 'Payment type', $transaction_result['payment_type']);
}
}
} else {
if ('authorization' === $transaction_result['pending_reason']) {
$this->payment_on_hold($order, __('Payment authorized. Change payment status to processing or complete to capture funds.', 'woocommerce'));
} else {
$this->payment_on_hold($order, sprintf(__('Payment pending (%s).', 'woocommerce'), $transaction_result['pending_reason']));
}
}
}
}
/**
* Get the order from the PayPal 'Custom' variable
*
* @param string $custom
* @return bool|WC_Order object
*/
protected function get_paypal_order($custom)
{
$custom = maybe_unserialize($custom);
if (is_array($custom)) {
list($order_id, $order_key) = $custom;
if (!($order = wc_get_order($order_id))) {
// We have an invalid $order_id, probably because invoice_prefix has changed
$order_id = wc_get_order_id_by_order_key($order_key);
$order = wc_get_order($order_id);
}
if (!$order || $order->order_key !== $order_key) {
WC_Gateway_Paypal::log('Error: Order Keys do not match.');
return false;
}
} elseif (!($order = apply_filters('woocommerce_get_paypal_order', false, $custom))) {
WC_Gateway_Paypal::log('Error: Order ID and key were not found in "custom".');
return false;
}
return $order;
}
public function __construct()
{
_deprecated_function('WC_Paypal', '1.4', 'WC_Gateway_Paypal');
parent::__construct();
}
/**
* Process a PayPal Standard Subscription IPN request
*
* @param array $transaction_details Post data after wp_unslash
* @since 2.0
*/
protected function process_ipn_request($transaction_details)
{
// Get the subscription ID and order_key with backward compatibility
$subscription_id_and_key = self::get_order_id_and_key($transaction_details, 'shop_subscription');
$subscription = wcs_get_subscription($subscription_id_and_key['order_id']);
$subscription_key = $subscription_id_and_key['order_key'];
// We have an invalid $subscription, probably because invoice_prefix has changed since the subscription was first created, so get the subscription by order key
if (!isset($subscription->id)) {
$subscription = wcs_get_subscription(wc_get_order_id_by_order_key($subscription_key));
}
if ('recurring_payment_suspended_due_to_max_failed_payment' == $transaction_details['txn_type'] && empty($subscription)) {
WC_Gateway_Paypal::log('Returning as "recurring_payment_suspended_due_to_max_failed_payment" transaction is for a subscription created with Express Checkout');
return;
}
if (empty($subscription)) {
WC_Gateway_Paypal::log('Subscription IPN Error: Could not find matching Subscription.');
exit;
}
if ($subscription->order_key != $subscription_key) {
WC_Gateway_Paypal::log('Subscription IPN Error: Subscription Key does not match invoice.');
exit;
}
if (isset($transaction_details['ipn_track_id'])) {
// Make sure the IPN request has not already been handled
$handled_ipn_requests = get_post_meta($subscription->id, '_paypal_ipn_tracking_ids', true);
if (empty($handled_ipn_requests)) {
$handled_ipn_requests = array();
}
// The 'ipn_track_id' is not a unique ID and is shared between different transaction types, so create a unique ID by prepending the transaction type
$ipn_id = $transaction_details['txn_type'] . '_' . $transaction_details['ipn_track_id'];
if (in_array($ipn_id, $handled_ipn_requests)) {
WC_Gateway_Paypal::log('Subscription IPN Error: IPN ' . $ipn_id . ' message has already been correctly handled.');
exit;
}
// Make sure we're not in the process of handling this IPN request on a server under extreme load and therefore, taking more than a minute to process it (which is the amount of time PayPal allows before resending the IPN request)
$ipn_lock_transient_name = 'wcs_pp_' . $ipn_id;
// transient names need to be less than 45 characters and the $ipn_id will be around 30 characters, e.g. subscr_payment_5ab4c38e1f39d
if ('in-progress' == get_transient($ipn_lock_transient_name) && 'recurring_payment_suspended_due_to_max_failed_payment' !== $transaction_details['txn_type']) {
WC_Gateway_Paypal::log('Subscription IPN Error: an older IPN request with ID ' . $ipn_id . ' is still in progress.');
// We need to send an error code to make sure PayPal does retry the IPN after our lock expires, in case something is actually going wrong and the server isn't just taking a long time to process the request
status_header(503);
exit;
}
// Set a transient to block IPNs with this transaction ID for the next 5 minutes
set_transient($ipn_lock_transient_name, 'in-progress', apply_filters('woocommerce_subscriptions_paypal_ipn_request_lock_time', 5 * MINUTE_IN_SECONDS));
}
if (isset($transaction_details['txn_id'])) {
// Make sure the IPN request has not already been handled
$handled_transactions = get_post_meta($subscription->id, '_paypal_transaction_ids', true);
if (empty($handled_transactions)) {
$handled_transactions = array();
}
$transaction_id = $transaction_details['txn_id'];
if (isset($transaction_details['txn_type'])) {
$transaction_id .= '_' . $transaction_details['txn_type'];
}
// The same transaction ID is used for different payment statuses, so make sure we handle it only once. See: http://stackoverflow.com/questions/9240235/paypal-ipn-unique-identifier
if (isset($transaction_details['payment_status'])) {
$transaction_id .= '_' . $transaction_details['payment_status'];
}
if (in_array($transaction_id, $handled_transactions)) {
WC_Gateway_Paypal::log('Subscription IPN Error: transaction ' . $transaction_id . ' has already been correctly handled.');
exit;
}
}
WC_Gateway_Paypal::log('Subscription transaction details: ' . print_r($transaction_details, true));
WC_Gateway_Paypal::log('Subscription Transaction Type: ' . $transaction_details['txn_type']);
$is_renewal_sign_up_after_failure = false;
// If the invoice ID doesn't match the default invoice ID and contains the string '-wcsfrp-', the IPN is for a subscription payment to fix up a failed payment
if (in_array($transaction_details['txn_type'], array('subscr_signup', 'subscr_payment')) && false !== strpos($transaction_details['invoice'], '-wcsfrp-')) {
$renewal_order = wc_get_order(substr($transaction_details['invoice'], strrpos($transaction_details['invoice'], '-') + 1));
// check if the failed signup has been previously recorded
if ($renewal_order->id != get_post_meta($subscription->id, '_paypal_failed_sign_up_recorded', true)) {
$is_renewal_sign_up_after_failure = true;
}
}
// If the invoice ID doesn't match the default invoice ID and contains the string '-wcscpm-', the IPN is for a subscription payment method change
if ('subscr_signup' == $transaction_details['txn_type'] && false !== strpos($transaction_details['invoice'], '-wcscpm-')) {
$is_payment_change = true;
} else {
$is_payment_change = false;
}
// Ignore IPN messages when the payment method isn't PayPal
if ('paypal' != $subscription->payment_method) {
// The 'recurring_payment_suspended' transaction is actually an Express Checkout transaction type, but PayPal also send it for PayPal Standard Subscriptions suspended by admins at PayPal, so we need to handle it *if* the subscription has PayPal as the payment method, or leave it if the subscription is using a different payment method (because it might be using PayPal Express Checkout or PayPal Digital Goods)
if ('recurring_payment_suspended' == $transaction_details['txn_type']) {
WC_Gateway_Paypal::log('"recurring_payment_suspended" IPN ignored: recurring payment method is not "PayPal". Returning to allow another extension to process the IPN, like PayPal Digital Goods.');
return;
} elseif (false === $is_renewal_sign_up_after_failure && false === $is_payment_change) {
WC_Gateway_Paypal::log('IPN ignored, recurring payment method has changed.');
exit;
}
}
if ($is_renewal_sign_up_after_failure || $is_payment_change) {
// Store the old profile ID on the order (for the first IPN message that comes through)
$existing_profile_id = wcs_get_paypal_id($subscription);
if (empty($existing_profile_id) || $existing_profile_id !== $transaction_details['subscr_id']) {
update_post_meta($subscription->id, '_old_paypal_subscriber_id', $existing_profile_id);
update_post_meta($subscription->id, '_old_payment_method', $subscription->payment_method);
}
}
// Save the profile ID if it's not a cancellation/expiration request
if (isset($transaction_details['subscr_id']) && !in_array($transaction_details['txn_type'], array('subscr_cancel', 'subscr_eot'))) {
wcs_set_paypal_id($subscription, $transaction_details['subscr_id']);
if (wcs_is_paypal_profile_a($transaction_details['subscr_id'], 'out_of_date_id') && 'disabled' != get_option('wcs_paypal_invalid_profile_id')) {
update_option('wcs_paypal_invalid_profile_id', 'yes');
}
}
$is_first_payment = $subscription->get_completed_payment_count() < 1 ? true : false;
if ($subscription->has_status('switched')) {
WC_Gateway_Paypal::log('IPN ignored, subscription has been switched.');
exit;
}
switch ($transaction_details['txn_type']) {
case 'subscr_signup':
// Store PayPal Details on Subscription and Order
$this->save_paypal_meta_data($subscription, $transaction_details);
$this->save_paypal_meta_data($subscription->order, $transaction_details);
// When there is a free trial & no initial payment amount, we need to mark the order as paid and activate the subscription
if (!$is_payment_change && !$is_renewal_sign_up_after_failure && 0 == $subscription->order->get_total()) {
// Safe to assume the subscription has an order here because otherwise we wouldn't get a 'subscr_signup' IPN
$subscription->order->payment_complete();
// No 'txn_id' value for 'subscr_signup' IPN messages
update_post_meta($subscription->id, '_paypal_first_ipn_ignored_for_pdt', 'true');
}
// Payment completed
if ($is_payment_change) {
// Set PayPal as the new payment method
WC_Subscriptions_Change_Payment_Gateway::update_payment_method($subscription, 'paypal');
// We need to cancel the subscription now that the method has been changed successfully
if ('paypal' == get_post_meta($subscription->id, '_old_payment_method', true)) {
self::cancel_subscription($subscription, get_post_meta($subscription->id, '_old_paypal_subscriber_id', true));
}
$subscription->add_order_note(_x('IPN subscription payment method changed to PayPal.', 'when it is a payment change, and there is a subscr_signup message, this will be a confirmation message that PayPal accepted it being the new payment method', 'woocommerce-subscriptions'));
} else {
$subscription->add_order_note(__('IPN subscription sign up completed.', 'woocommerce-subscriptions'));
}
if ($is_payment_change) {
WC_Gateway_Paypal::log('IPN subscription payment method changed for subscription ' . $subscription->id);
} else {
WC_Gateway_Paypal::log('IPN subscription sign up completed for subscription ' . $subscription->id);
}
break;
case 'subscr_payment':
if (!$is_first_payment && !$is_renewal_sign_up_after_failure) {
if ($subscription->has_status('active')) {
remove_action('woocommerce_subscription_on-hold_paypal', 'WCS_PayPal_Status_Manager::suspend_subscription');
$subscription->update_status('on-hold');
add_action('woocommerce_subscription_on-hold_paypal', 'WCS_PayPal_Status_Manager::suspend_subscription');
}
// Generate a renewal order to record the payment (and determine how much is due)
$renewal_order = wcs_create_renewal_order($subscription);
// Set PayPal as the payment method (we can't use $renewal_order->set_payment_method() here as it requires an object we don't have)
$available_gateways = WC()->payment_gateways->get_available_payment_gateways();
$renewal_order->set_payment_method($available_gateways['paypal']);
}
if ('completed' == strtolower($transaction_details['payment_status'])) {
// Store PayPal Details
$this->save_paypal_meta_data($subscription, $transaction_details);
// Subscription Payment completed
$subscription->add_order_note(__('IPN subscription payment completed.', 'woocommerce-subscriptions'));
WC_Gateway_Paypal::log('IPN subscription payment completed for subscription ' . $subscription->id);
// First payment on order, process payment & activate subscription
if ($is_first_payment) {
$subscription->order->payment_complete($transaction_details['txn_id']);
// Store PayPal Details on Order
$this->save_paypal_meta_data($subscription->order, $transaction_details);
// IPN got here first or PDT will never arrive. Normally PDT would have arrived, so the first IPN would not be the first payment. In case the the first payment is an IPN, we need to make sure to not ignore the second one
update_post_meta($subscription->id, '_paypal_first_ipn_ignored_for_pdt', 'true');
// Ignore the first IPN message if the PDT should have handled it (if it didn't handle it, it will have been dealt with as first payment), but set a flag to make sure we only ignore it once
} elseif ($subscription->get_completed_payment_count() == 1 && '' !== WCS_PayPal::get_option('identity_token') && 'true' != get_post_meta($subscription->id, '_paypal_first_ipn_ignored_for_pdt', true) && false === $is_renewal_sign_up_after_failure) {
WC_Gateway_Paypal::log('IPN subscription payment ignored for subscription ' . $subscription->id . ' due to PDT previously handling the payment.');
update_post_meta($subscription->id, '_paypal_first_ipn_ignored_for_pdt', 'true');
// Process the payment if the subscription is active
} elseif (!$subscription->has_status(array('cancelled', 'expired', 'switched', 'trash'))) {
if (true === $is_renewal_sign_up_after_failure && is_object($renewal_order)) {
update_post_meta($subscription->id, '_paypal_failed_sign_up_recorded', $renewal_order->id);
// We need to cancel the old subscription now that the method has been changed successfully
if ('paypal' == get_post_meta($subscription->id, '_old_payment_method', true)) {
$profile_id = get_post_meta($subscription->id, '_old_paypal_subscriber_id', true);
// Make sure we don't cancel the current profile
if ($profile_id !== $transaction_details['subscr_id']) {
self::cancel_subscription($subscription, $profile_id);
}
$subscription->add_order_note(__('IPN subscription failing payment method changed.', 'woocommerce-subscriptions'));
}
}
try {
// to cover the case when PayPal drank too much coffee and sent IPNs early - needs to happen before $renewal_order->payment_complete
$update_dates = array();
if ($subscription->get_time('trial_end') > gmdate('U')) {
$update_dates['trial_end'] = gmdate('Y-m-d H:i:s', gmdate('U') - 1);
WC_Gateway_Paypal::log(sprintf('IPN subscription payment for subscription %d: trial_end is in futute (date: %s) setting to %s.', $subscription->id, $subscription->get_date('trial_end'), $update_dates['trial_end']));
} else {
WC_Gateway_Paypal::log(sprintf('IPN subscription payment for subscription %d: trial_end is in past (date: %s).', $subscription->id, $subscription->get_date('trial_end')));
}
if ($subscription->get_time('next_payment') > gmdate('U')) {
$update_dates['next_payment'] = gmdate('Y-m-d H:i:s', gmdate('U') - 1);
WC_Gateway_Paypal::log(sprintf('IPN subscription payment for subscription %d: next_payment is in future (date: %s) setting to %s.', $subscription->id, $subscription->get_date('next_payment'), $update_dates['next_payment']));
} else {
WC_Gateway_Paypal::log(sprintf('IPN subscription payment for subscription %d: next_payment is in past (date: %s).', $subscription->id, $subscription->get_date('next_payment')));
}
if (!empty($update_dates)) {
$subscription->update_dates($update_dates);
}
} catch (Exception $e) {
WC_Gateway_Paypal::log(sprintf('IPN subscription payment exception subscription %d: %s.', $subscription->id, $e->getMessage()));
}
remove_action('woocommerce_subscription_activated_paypal', 'WCS_PayPal_Status_Manager::reactivate_subscription');
try {
$renewal_order->payment_complete($transaction_details['txn_id']);
} catch (Exception $e) {
WC_Gateway_Paypal::log(sprintf('IPN subscription payment exception calling $renewal_order->payment_complete() for subscription %d: %s.', $subscription->id, $e->getMessage()));
}
$renewal_order->add_order_note(__('IPN subscription payment completed.', 'woocommerce-subscriptions'));
add_action('woocommerce_subscription_activated_paypal', 'WCS_PayPal_Status_Manager::reactivate_subscription');
wcs_set_paypal_id($renewal_order, $transaction_details['subscr_id']);
}
} elseif (in_array(strtolower($transaction_details['payment_status']), array('pending', 'failed'))) {
// Subscription Payment completed
// translators: placeholder is payment status (e.g. "completed")
$subscription->add_order_note(sprintf(_x('IPN subscription payment %s.', 'used in order note', 'woocommerce-subscriptions'), $transaction_details['payment_status']));
if (!$is_first_payment) {
update_post_meta($renewal_order->id, '_transaction_id', $transaction_details['txn_id']);
// translators: placeholder is payment status (e.g. "completed")
$renewal_order->add_order_note(sprintf(_x('IPN subscription payment %s.', 'used in order note', 'woocommerce-subscriptions'), $transaction_details['payment_status']));
$subscription->payment_failed();
}
WC_Gateway_Paypal::log('IPN subscription payment failed for subscription ' . $subscription->id);
} else {
WC_Gateway_Paypal::log('IPN subscription payment notification received for subscription ' . $subscription->id . ' with status ' . $transaction_details['payment_status']);
}
break;
// Admins can suspend subscription at PayPal triggering this IPN
// Admins can suspend subscription at PayPal triggering this IPN
case 'recurring_payment_suspended':
if ($subscription->has_status('active')) {
// We don't need to suspend the subscription at PayPal because it's already on-hold there
remove_action('woocommerce_subscription_on-hold_paypal', 'WCS_PayPal_Status_Manager::suspend_subscription');
$subscription->update_status('on-hold', __('IPN subscription suspended.', 'woocommerce-subscriptions'));
add_action('woocommerce_subscription_on-hold_paypal', 'WCS_PayPal_Status_Manager::suspend_subscription');
WC_Gateway_Paypal::log('IPN subscription suspended for subscription ' . $subscription->id);
} else {
WC_Gateway_Paypal::log(sprintf('IPN "recurring_payment_suspended" ignored for subscription %d. Subscription already %s.', $subscription->id, $subscription->get_status()));
}
break;
case 'subscr_cancel':
// Make sure the subscription hasn't been linked to a new payment method
if (wcs_get_paypal_id($subscription) != $transaction_details['subscr_id']) {
WC_Gateway_Paypal::log('IPN subscription cancellation request ignored - new PayPal Profile ID linked to this subscription, for subscription ' . $subscription->id);
} else {
$subscription->cancel_order(__('IPN subscription cancelled.', 'woocommerce-subscriptions'));
WC_Gateway_Paypal::log('IPN subscription cancelled for subscription ' . $subscription->id);
}
break;
case 'subscr_eot':
// Subscription ended, either due to failed payments or expiration
WC_Gateway_Paypal::log('IPN EOT request ignored for subscription ' . $subscription->id);
break;
case 'subscr_failed':
// Subscription sign up failed
// Subscription sign up failed
case 'recurring_payment_suspended_due_to_max_failed_payment':
// Recurring payment failed
$ipn_failure_note = __('IPN subscription payment failure.', 'woocommerce-subscriptions');
if (!$is_first_payment && !$is_renewal_sign_up_after_failure && $subscription->has_status('active')) {
// Generate a renewal order to record the failed payment
$renewal_order = wcs_create_renewal_order($subscription);
// Set PayPal as the payment method
$available_gateways = WC()->payment_gateways->get_available_payment_gateways();
$renewal_order->set_payment_method($available_gateways['paypal']);
$renewal_order->add_order_note($ipn_failure_note);
}
WC_Gateway_Paypal::log('IPN subscription payment failure for subscription ' . $subscription->id);
// Subscription Payment completed
$subscription->add_order_note($ipn_failure_note);
try {
$subscription->payment_failed();
} catch (Exception $e) {
WC_Gateway_Paypal::log(sprintf('IPN subscription payment failure, unable to process payment failure. Exception: %s ', $e->getMessage()));
}
break;
}
// Store the transaction IDs to avoid handling requests duplicated by PayPal
if (isset($transaction_details['ipn_track_id'])) {
$handled_ipn_requests[] = $ipn_id;
update_post_meta($subscription->id, '_paypal_ipn_tracking_ids', $handled_ipn_requests);
}
if (isset($transaction_details['txn_id'])) {
$handled_transactions[] = $transaction_id;
update_post_meta($subscription->id, '_paypal_transaction_ids', $handled_transactions);
}
// And delete the transient that's preventing other IPN's being processed
if (isset($ipn_lock_transient_name)) {
delete_transient($ipn_lock_transient_name);
}
// Log completion
$log_message = 'IPN subscription request processed for ' . $subscription->id;
if (isset($ipn_id) && !empty($ipn_id)) {
$log_message .= sprintf(' (%s)', $ipn_id);
}
WC_Gateway_Paypal::log($log_message);
// Prevent default IPN handling for subscription txn_types
exit;
}
/**
* Handle a completed payment
* @param WC_Order $order
*/
private function payment_status_completed($order, $posted)
{
if ($order->has_status('completed')) {
WC_Gateway_Paypal::log('Aborting, Order #' . $order->id . ' is already complete.');
exit;
}
$this->validate_transaction_type($posted['txn_type']);
$this->validate_currency($order, $posted['mc_currency']);
$this->validate_amount($order, $posted['mc_gross']);
$this->validate_receiver_email($order, $posted['receiver_email']);
$this->save_paypal_meta_data($order, $posted);
if ('completed' === $posted['payment_status']) {
$this->payment_complete($order, !empty($posted['txn_id']) ? wc_clean($posted['txn_id']) : '', __('IPN payment completed', 'woocommerce'));
} else {
$this->payment_on_hold($order, sprintf(__('Payment pending: %s', 'woocommerce'), $posted['pending_reason']));
}
}
/**
* Log API request/response data
*
* @since 2.0
*/
public static function log_api_requests($request_data, $response_data)
{
WC_Gateway_Paypal::log('Subscription Request Parameters: ' . print_r($request_data, true));
WC_Gateway_Paypal::log('Subscription Request Response: ' . print_r($response_data, true));
}
/**
* Handle a completed payment.
* @param WC_Order $order
* @param array $posted
*/
protected function payment_status_completed($order, $posted)
{
if ($order->has_status(array('processing', 'completed'))) {
WC_Gateway_Paypal::log('Aborting, Order #' . $order->get_id() . ' is already complete.');
exit;
}
$this->validate_transaction_type($posted['txn_type']);
$this->validate_currency($order, $posted['mc_currency']);
$this->validate_amount($order, $posted['mc_gross']);
$this->validate_receiver_email($order, $posted['receiver_email']);
$this->save_paypal_meta_data($order, $posted);
if ('completed' === $posted['payment_status']) {
$this->payment_complete($order, !empty($posted['txn_id']) ? wc_clean($posted['txn_id']) : '', __('IPN payment completed', 'woocommerce'));
if (!empty($posted['mc_fee'])) {
// Log paypal transaction fee.
update_post_meta($order->get_id(), 'PayPal Transaction Fee', wc_clean($posted['mc_fee']));
}
} else {
if ('authorization' === $posted['pending_reason']) {
$this->payment_on_hold($order, __('Payment authorized. Change payment status to processing or complete to capture funds.', 'woocommerce'));
} else {
$this->payment_on_hold($order, sprintf(__('Payment pending (%s).', 'woocommerce'), $posted['pending_reason']));
}
}
}
/**
* Check for PayPal IPN requests that conform to the WC 1.x IPN format and if WC 2.0+
* is running, validate the request and trigger the 'valid-paypal-standard-ipn-request'
* action (because WooCommerce breaks IPN requests using the old format).
*
* @since 1.2.5
*/
public static function check_for_old_ipn_requests()
{
if (!class_exists('WC_Gateway_Paypal')) {
// WC 1.x, so it will handle the request
return;
}
if (isset($_GET['paypalListener']) && $_GET['paypalListener'] == 'paypal_standard_IPN') {
@ob_clean();
$_POST = stripslashes_deep($_POST);
$paypal_gateway = new WC_Gateway_Paypal();
if ($paypal_gateway->check_ipn_request_is_valid()) {
header('HTTP/1.1 200 OK');
do_action('valid-paypal-standard-ipn-request', $_POST);
} else {
wp_die('PayPal IPN Request Failure with old IPN format');
}
}
}