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<?php /** * Network Options sync module. * * @package automattic/jetpack-sync */ namespace Automattic\Jetpack\Sync\Modules; use Automattic\Jetpack\Sync\Defaults; /** * Class to handle sync for network options. */ class Network_Options extends Module { /** * Whitelist for network options we want to sync. * * @access private * * @var array */ private $network_options_whitelist; /** * Sync module name. * * @access public * * @return string */ public function name() { return 'network_options'; } /** * Initialize network options action listeners when on multisite. * * @access public * * @param callable $callable Action handler callable. */ public function init_listeners( $callable ) { if ( ! is_multisite() ) { return; } // Multi site network options. add_action( 'add_site_option', $callable, 10, 2 ); add_action( 'update_site_option', $callable, 10, 3 ); add_action( 'delete_site_option', $callable, 10, 1 ); $whitelist_network_option_handler = array( $this, 'whitelist_network_options' ); add_filter( 'jetpack_sync_before_enqueue_delete_site_option', $whitelist_network_option_handler ); add_filter( 'jetpack_sync_before_enqueue_add_site_option', $whitelist_network_option_handler ); add_filter( 'jetpack_sync_before_enqueue_update_site_option', $whitelist_network_option_handler ); } /** * Initialize network options action listeners for full sync. * * @access public * * @param callable $callable Action handler callable. */ public function init_full_sync_listeners( $callable ) { add_action( 'jetpack_full_sync_network_options', $callable ); } /** * Initialize the module in the sender. * * @access public */ public function init_before_send() { if ( ! is_multisite() ) { return; } // Full sync. add_filter( 'jetpack_sync_before_send_jetpack_full_sync_network_options', array( $this, 'expand_network_options', ) ); } /** * Set module defaults. * Define the network options whitelist based on the default one. * * @access public */ public function set_defaults() { $this->network_options_whitelist = Defaults::$default_network_options_whitelist; } /** * Enqueue the network options actions for full sync. * * @access public * * @param array $config Full sync configuration for this sync module. * @param int $max_items_to_enqueue Maximum number of items to enqueue. * @param boolean $state True if full sync has finished enqueueing this module, false otherwise. * @return array Number of actions enqueued, and next module state. */ public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable if ( ! is_multisite() ) { return array( null, true ); } /** * Tells the client to sync all options to the server * * @since 4.2.0 * * @param boolean Whether to expand options (should always be true) */ do_action( 'jetpack_full_sync_network_options', true ); // The number of actions enqueued, and next module state (true == done). return array( 1, true ); } /** * Retrieve an estimated number of actions that will be enqueued. * * @access public * * @param array $config Full sync configuration for this sync module. * @return array Number of items yet to be enqueued. */ public function estimate_full_sync_actions( $config ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable if ( ! is_multisite() ) { return null; } return 1; } /** * Retrieve the actions that will be sent for this module during a full sync. * * @access public * * @return array Full sync actions of this module. */ public function get_full_sync_actions() { return array( 'jetpack_full_sync_network_options' ); } /** * Retrieve all network options as per the current network options whitelist. * * @access public * * @return array All network options. */ public function get_all_network_options() { $options = array(); foreach ( $this->network_options_whitelist as $option ) { $options[ $option ] = get_site_option( $option ); } return $options; } /** * Set the network options whitelist. * * @access public * * @param array $options The new network options whitelist. */ public function set_network_options_whitelist( $options ) { $this->network_options_whitelist = $options; } /** * Get the network options whitelist. * * @access public * * @return array The network options whitelist. */ public function get_network_options_whitelist() { return $this->network_options_whitelist; } /** * Reject non-whitelisted network options. * * @access public * * @param array $args The hook parameters. * @return array|false $args The hook parameters, false if not a whitelisted network option. */ public function whitelist_network_options( $args ) { if ( ! $this->is_whitelisted_network_option( $args[0] ) ) { return false; } return $args; } /** * Whether the option is a whitelisted network option in a multisite system. * * @access public * * @param string $option Option name. * @return boolean True if this is a whitelisted network option. */ public function is_whitelisted_network_option( $option ) { return is_multisite() && in_array( $option, $this->network_options_whitelist, true ); } /** * Expand the network options within a hook before they are serialized and sent to the server. * * @access public * * @param array $args The hook parameters. * @return array $args The hook parameters. */ public function expand_network_options( $args ) { if ( $args[0] ) { return $this->get_all_network_options(); } return $args; } }