<?php
/**
* WooCommerce Webhook functions
*
* @package WooCommerce\Functions
* @version 3.3.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Process the web hooks at the end of the request.
*
* @since 4.4.0
*/
function wc_webhook_execute_queue() {
global $wc_queued_webhooks;
if ( empty( $wc_queued_webhooks ) ) {
return;
}
foreach ( $wc_queued_webhooks as $data ) {
// Webhooks are processed in the background by default
// so as to avoid delays or failures in delivery from affecting the
// user who triggered it.
if ( apply_filters( 'woocommerce_webhook_deliver_async', true, $data['webhook'], $data['arg'] ) ) {
$queue_args = array(
'webhook_id' => $data['webhook']->get_id(),
'arg' => $data['arg'],
);
$next_scheduled_date = WC()->queue()->get_next( 'woocommerce_deliver_webhook_async', $queue_args, 'woocommerce-webhooks' );
// Make webhooks unique - only schedule one webhook every 10 minutes to maintain backward compatibility with WP Cron behaviour seen in WC < 3.5.0.
if ( is_null( $next_scheduled_date ) || $next_scheduled_date->getTimestamp() >= ( 600 + gmdate( 'U' ) ) ) {
WC()->queue()->add( 'woocommerce_deliver_webhook_async', $queue_args, 'woocommerce-webhooks' );
}
} else {
// Deliver immediately.
$data['webhook']->deliver( $data['arg'] );
}
}
}
add_action( 'shutdown', 'wc_webhook_execute_queue' );
/**
* Process webhook delivery.
*
* @since 3.3.0
* @param WC_Webhook $webhook Webhook instance.
* @param array $arg Delivery arguments.
*/
function wc_webhook_process_delivery( $webhook, $arg ) {
// We need to queue the webhook so that it can be ran after the request has finished processing.
global $wc_queued_webhooks;
if ( ! isset( $wc_queued_webhooks ) ) {
$wc_queued_webhooks = array();
}
$wc_queued_webhooks[] = array(
'webhook' => $webhook,
'arg' => $arg,
);
}
add_action( 'woocommerce_webhook_process_delivery', 'wc_webhook_process_delivery', 10, 2 );
/**
* Wrapper function to execute the `woocommerce_deliver_webhook_async` cron.
* hook, see WC_Webhook::process().
*
* @since 2.2.0
* @param int $webhook_id Webhook ID to deliver.
* @throws Exception If webhook cannot be read/found and $data parameter of WC_Webhook class constructor is set.
* @param mixed $arg Hook argument.
*/
function wc_deliver_webhook_async( $webhook_id, $arg ) {
$webhook = new WC_Webhook( $webhook_id );
$webhook->deliver( $arg );
}
add_action( 'woocommerce_deliver_webhook_async', 'wc_deliver_webhook_async', 10, 2 );
/**
* Check if the given topic is a valid webhook topic, a topic is valid if:
*
* + starts with `action.woocommerce_` or `action.wc_`.
* + it has a valid resource & event.
*
* @since 2.2.0
* @param string $topic Webhook topic.
* @return bool
*/
function wc_is_webhook_valid_topic( $topic ) {
$invalid_topics = array(
'action.woocommerce_login_credentials',
'action.woocommerce_product_csv_importer_check_import_file_path',
'action.woocommerce_webhook_should_deliver',
);
if ( in_array( $topic, $invalid_topics, true ) ) {
return false;
}
// Custom topics are prefixed with woocommerce_ or wc_ are valid.
if ( 0 === strpos( $topic, 'action.woocommerce_' ) || 0 === strpos( $topic, 'action.wc_' ) ) {
return true;
}
$data = explode( '.', $topic );
if ( ! isset( $data[0] ) || ! isset( $data[1] ) ) {
return false;
}
$valid_resources = apply_filters( 'woocommerce_valid_webhook_resources', array( 'coupon', 'customer', 'order', 'product' ) );
$valid_events = apply_filters( 'woocommerce_valid_webhook_events', array( 'created', 'updated', 'deleted', 'restored' ) );
if ( in_array( $data[0], $valid_resources, true ) && in_array( $data[1], $valid_events, true ) ) {
return true;
}
return false;
}
/**
* Check if given status is a valid webhook status.
*
* @since 3.5.3
* @param string $status Status to check.
* @return bool
*/
function wc_is_webhook_valid_status( $status ) {
return in_array( $status, array_keys( wc_get_webhook_statuses() ), true );
}
/**
* Get Webhook statuses.
*
* @since 2.3.0
* @return array
*/
function wc_get_webhook_statuses() {
return apply_filters(
'woocommerce_webhook_statuses',
array(
'active' => __( 'Active', 'woocommerce' ),
'paused' => __( 'Paused', 'woocommerce' ),
'disabled' => __( 'Disabled', 'woocommerce' ),
)
);
}
/**
* Load webhooks.
*
* @since 3.3.0
* @throws Exception If webhook cannot be read/found and $data parameter of WC_Webhook class constructor is set.
* @param string $status Optional - status to filter results by. Must be a key in return value of @see wc_get_webhook_statuses(). @since 3.5.0.
* @param null|int $limit Limit number of webhooks loaded. @since 3.6.0.
* @return bool
*/
function wc_load_webhooks( $status = '', $limit = null ) {
// short-circuit if webhooks should not be loaded at all.
if ( ! is_null( $limit ) && $limit <= 0 ) {
return false;
}
$data_store = WC_Data_Store::load( 'webhook' );
$webhooks = $data_store->get_webhooks_ids( $status );
$loaded = 0;
foreach ( $webhooks as $webhook_id ) {
if ( ! is_null( $limit ) && $loaded >= $limit ) {
break;
}
$webhook = new WC_Webhook( $webhook_id );
$webhook->enqueue();
$loaded ++;
}
return 0 < $loaded;
}
/**
* Get webhook.
*
* @param int|WC_Webhook $id Webhook ID or object.
* @throws Exception If webhook cannot be read/found and $data parameter of WC_Webhook class constructor is set.
* @return WC_Webhook|null
*/
function wc_get_webhook( $id ) {
$webhook = new WC_Webhook( $id );
return 0 !== $webhook->get_id() ? $webhook : null;
}
/**
* Get webhoook REST API versions.
*
* @since 3.5.1
* @return array
*/
function wc_get_webhook_rest_api_versions() {
return array(
'wp_api_v1',
'wp_api_v2',
'wp_api_v3',
);
}