woocommerce-payments.php

<?php
/**
 * Plugin Name: WooCommerce Payments
 * Plugin URI: https://woocommerce.com/payments/
 * Description: Accept payments via credit card. Manage transactions within WordPress.
 * Author: Automattic
 * Author URI: https://woocommerce.com/
 * Woo: 5278104:bf3cf30871604e15eec560c962593c1f
 * Text Domain: woocommerce-payments
 * Domain Path: /languages
 * WC requires at least: 4.4
 * WC tested up to: 5.9.0
 * Requires at least: 5.6
 * Requires PHP: 7.0
 * Version: 3.4.0
 *
 * @package WooCommerce\Payments
 */

defined( 'ABSPATH' ) || exit;

define( 'WCPAY_PLUGIN_FILE', __FILE__ );
define( 'WCPAY_ABSPATH', __DIR__ . '/' );
define( 'WCPAY_MIN_WC_ADMIN_VERSION', '0.23.2' );
define( 'WCPAY_SUBSCRIPTIONS_ABSPATH', __DIR__ . '/vendor/woocommerce/subscriptions-core/' );

require_once __DIR__ . '/vendor/autoload_packages.php';
require_once __DIR__ . '/includes/class-wc-payments-features.php';

/**
 * Plugin activation hook.
 */
function wcpay_activated() {
	// Do not take any action if activated in a REST request (via wc-admin).
	if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
		return;
	}

	if (
		// Only redirect to onboarding when activated on its own. Either with a link...
		isset( $_GET['action'] ) && 'activate' === $_GET['action'] // phpcs:ignore WordPress.Security.NonceVerification
		// ...or with a bulk action.
		|| isset( $_POST['checked'] ) && is_array( $_POST['checked'] ) && 1 === count( $_POST['checked'] ) // phpcs:ignore WordPress.Security.NonceVerification
	) {
		update_option( 'wcpay_should_redirect_to_onboarding', true );
	}
}

/**
 * Plugin deactivation hook.
 */
function wcpay_deactivated() {
	require_once WCPAY_ABSPATH . '/includes/class-wc-payments.php';
	WC_Payments::remove_woo_admin_notes();
}

register_activation_hook( __FILE__, 'wcpay_activated' );
register_deactivation_hook( __FILE__, 'wcpay_deactivated' );

// The JetPack autoloader might not catch up yet when activating the plugin. If so, we'll stop here to avoid JetPack connection failures.
$is_autoloading_ready = class_exists( Automattic\Jetpack\Connection\Rest_Authentication::class ) && class_exists( MyCLabs\Enum\Enum::class );
if ( ! $is_autoloading_ready ) {
	return;
}

// Subscribe to automated translations.
add_filter( 'woocommerce_translations_updates_for_woocommerce-payments', '__return_true' );

/**
 * Initialize the Jetpack connection functionality.
 */
function wcpay_jetpack_init() {
	if ( ! wcpay_check_old_jetpack_version() ) {
		return;
	}
	$jetpack_config = new Automattic\Jetpack\Config();
	$jetpack_config->ensure(
		'connection',
		[
			'slug' => 'woocommerce-payments',
			'name' => __( 'WooCommerce Payments', 'woocommerce-payments' ),
		]
	);
}
// Jetpack's Rest_Authentication needs to be initialized even before plugins_loaded.
Automattic\Jetpack\Connection\Rest_Authentication::init();

// Jetpack-config will initialize the modules on "plugins_loaded" with priority 2, so this code needs to be run before that.
add_action( 'plugins_loaded', 'wcpay_jetpack_init', 1 );

/**
 * Initialize the extension. Note that this gets called on the "plugins_loaded" filter,
 * so WooCommerce classes are guaranteed to exist at this point (if WooCommerce is enabled).
 */
function wcpay_init() {
	require_once WCPAY_ABSPATH . '/includes/class-wc-payments.php';
	WC_Payments::init();
}

// Make sure this is run *after* WooCommerce has a chance to initialize its packages (wc-admin, etc). That is run with priority 10.
// If you change the priority of this action, you'll need to change it in the wcpay_check_old_jetpack_version function too.
add_action( 'plugins_loaded', 'wcpay_init', 11 );

if ( ! function_exists( 'wcpay_init_subscriptions_core' ) ) {

	/**
	 * Initialise subscriptions-core if WC Subscriptions (the plugin) isn't loaded
	 */
	function wcpay_init_subscriptions_core() {
		if ( ! class_exists( 'WooCommerce' ) || ! WC_Payments_Features::is_wcpay_subscriptions_enabled() ) {
			return;
		}

		$is_plugin_active = function( $plugin_name ) {
			$plugin_slug = "$plugin_name/$plugin_name.php";

			if ( isset( $_GET['action'], $_GET['plugin'] ) && 'activate' === $_GET['action'] && $plugin_slug === $_GET['plugin'] ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended
				return true;
			}

			if ( defined( 'WP_CLI' ) && WP_CLI && isset( $GLOBALS['argv'] ) && 4 >= count( $GLOBALS['argv'] ) && 'plugin' === $GLOBALS['argv'][1] && 'activate' === $GLOBALS['argv'][2] && $plugin_name === $GLOBALS['argv'][3] ) {
				return true;
			}

			if ( is_multisite() ) {
				$plugins = get_site_option( 'active_sitewide_plugins' );
				if ( isset( $plugins[ $plugin_slug ] ) ) {
					return true;
				}
			}

			if ( class_exists( 'Automattic\WooCommerce\Admin\PluginsHelper' ) ) {
				return Automattic\WooCommerce\Admin\PluginsHelper::is_plugin_active( $plugin_slug );
			} else {
				if ( ! function_exists( 'is_plugin_active' ) ) {
					include_once ABSPATH . 'wp-admin/includes/plugin.php';
				}

				return is_plugin_active( $plugin_slug );
			}
		};

		$is_subscriptions_active = $is_plugin_active( 'woocommerce-subscriptions' );
		$is_wcs_core_active      = $is_plugin_active( 'woocommerce-subscriptions-core' );
		$wcs_core_path           = $is_wcs_core_active ? WP_PLUGIN_DIR . '/woocommerce-subscriptions-core/' : WCPAY_SUBSCRIPTIONS_ABSPATH;

		/**
		 * If the current request is to activate subscriptions, don't load the subscriptions-core package.
		 *
		 * WP loads the newly activated plugin's base file later than `plugins_loaded`, and so there's no opportunity for us to not load our core feature set on a consistent hook.
		 * We also cannot init subscriptions core too late, because if we do, we miss hooks that register the subscription post types etc.
		 */
		if ( $is_subscriptions_active ) {
			return;
		}

		require_once $wcs_core_path . 'includes/class-wc-subscriptions-core-plugin.php';
		new WC_Subscriptions_Core_Plugin();
	}
}
add_action( 'plugins_loaded', 'wcpay_init_subscriptions_core', 0 );

/**
 * Check if WCPay is installed alongside an old version of Jetpack (8.1 or earlier). Due to the autoloader code in those old
 * versions, the Jetpack Config initialization code would just crash the site.
 * TODO: Remove this when Jetpack 8.1 (Released on January 2020) is so old we don't think anyone will run into this problem anymore.
 *
 * @return bool True if the plugin can keep initializing itself, false otherwise.
 */
function wcpay_check_old_jetpack_version() {
	if ( defined( 'JETPACK__VERSION' ) && version_compare( JETPACK__VERSION, '8.2', '<' ) && JETPACK__VERSION !== 'wpcom' ) {
		add_filter( 'admin_notices', 'wcpay_show_old_jetpack_notice' );
		// Prevent the rest of the plugin from initializing.
		remove_action( 'plugins_loaded', 'wcpay_init', 11 );
		return false;
	}
	return true;
}

/**
 * Display an error notice if the installed Jetpack version is too old to even start initializing the plugin.
 */
function wcpay_show_old_jetpack_notice() {
	?>
	<div class="notice wcpay-notice notice-error">
		<p><b><?php echo esc_html( __( 'WooCommerce Payments', 'woocommerce-payments' ) ); ?></b></p>
		<p><?php echo esc_html( __( 'The version of Jetpack installed is too old to be used with WooCommerce Payments. WooCommerce Payments has been disabled. Please deactivate or update Jetpack.', 'woocommerce-payments' ) ); ?></p>
	</div>
	<?php
}