Mini Shell
<?php
/**
* Updates sync module.
*
* @package automattic/jetpack-sync
*/
namespace Automattic\Jetpack\Sync\Modules;
use Automattic\Jetpack\Constants as Jetpack_Constants;
/**
* Class to handle sync for updates.
*/
class Updates extends Module {
/**
* Name of the updates checksum option.
*
* @var string
*/
const UPDATES_CHECKSUM_OPTION_NAME = 'jetpack_updates_sync_checksum';
/**
* WordPress Version.
*
* @access private
*
* @var string
*/
private $old_wp_version = null;
/**
* The current updates.
*
* @access private
*
* @var array
*/
private $updates = array();
/**
* Set module defaults.
*
* @access public
*/
public function set_defaults() {
$this->updates = array();
}
/**
* Sync module name.
*
* @access public
*
* @return string
*/
public function name() {
return 'updates';
}
/**
* Initialize updates action listeners.
*
* @access public
*
* @param callable $callable Action handler callable.
*/
public function init_listeners( $callable ) {
global $wp_version;
$this->old_wp_version = $wp_version;
add_action( 'set_site_transient_update_plugins', array( $this, 'validate_update_change' ), 10, 3 );
add_action( 'set_site_transient_update_themes', array( $this, 'validate_update_change' ), 10, 3 );
add_action( 'set_site_transient_update_core', array( $this, 'validate_update_change' ), 10, 3 );
add_action( 'jetpack_update_plugins_change', $callable );
add_action( 'jetpack_update_themes_change', $callable );
add_action( 'jetpack_update_core_change', $callable );
add_filter(
'jetpack_sync_before_enqueue_jetpack_update_plugins_change',
array(
$this,
'filter_update_keys',
),
10,
2
);
add_filter(
'jetpack_sync_before_enqueue_upgrader_process_complete',
array(
$this,
'filter_upgrader_process_complete',
),
10,
2
);
add_action( 'automatic_updates_complete', $callable );
if ( is_multisite() ) {
add_filter( 'pre_update_site_option_wpmu_upgrade_site', array( $this, 'update_core_network_event' ), 10, 2 );
add_action( 'jetpack_sync_core_update_network', $callable, 10, 3 );
}
// Send data when update completes.
add_action( '_core_updated_successfully', array( $this, 'update_core' ) );
add_action( 'jetpack_sync_core_reinstalled_successfully', $callable );
add_action( 'jetpack_sync_core_autoupdated_successfully', $callable, 10, 2 );
add_action( 'jetpack_sync_core_updated_successfully', $callable, 10, 2 );
}
/**
* Initialize updates 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_updates', $callable );
}
/**
* Initialize the module in the sender.
*
* @access public
*/
public function init_before_send() {
add_filter( 'jetpack_sync_before_send_jetpack_full_sync_updates', array( $this, 'expand_updates' ) );
add_filter( 'jetpack_sync_before_send_jetpack_update_themes_change', array( $this, 'expand_themes' ) );
}
/**
* Handle a core network update.
*
* @access public
*
* @param int $wp_db_version Current version of the WordPress database.
* @param int $old_wp_db_version Old version of the WordPress database.
* @return int Current version of the WordPress database.
*/
public function update_core_network_event( $wp_db_version, $old_wp_db_version ) {
global $wp_version;
/**
* Sync event for when core wp network updates to a new db version
*
* @since 1.6.3
* @since-jetpack 5.0.0
*
* @param int $wp_db_version the latest wp_db_version
* @param int $old_wp_db_version previous wp_db_version
* @param string $wp_version the latest wp_version
*/
do_action( 'jetpack_sync_core_update_network', $wp_db_version, $old_wp_db_version, $wp_version );
return $wp_db_version;
}
/**
* Handle a core update.
*
* @access public
*
* @todo Implement nonce or refactor to use `admin_post_{$action}` hooks instead.
*
* @param string $new_wp_version The new WP core version.
*/
public function update_core( $new_wp_version ) {
global $pagenow;
// // phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( isset( $_GET['action'] ) && 'do-core-reinstall' === $_GET['action'] ) {
/**
* Sync event that fires when core reinstall was successful
*
* @since 1.6.3
* @since-jetpack 5.0.0
*
* @param string $new_wp_version the updated WordPress version
*/
do_action( 'jetpack_sync_core_reinstalled_successfully', $new_wp_version );
return;
}
// Core was autoupdated.
if (
'update-core.php' !== $pagenow &&
! Jetpack_Constants::is_true( 'REST_API_REQUEST' ) // WP.com rest api calls should never be marked as a core autoupdate.
) {
/**
* Sync event that fires when core autoupdate was successful
*
* @since 1.6.3
* @since-jetpack 5.0.0
*
* @param string $new_wp_version the updated WordPress version
* @param string $old_wp_version the previous WordPress version
*/
do_action( 'jetpack_sync_core_autoupdated_successfully', $new_wp_version, $this->old_wp_version );
return;
}
/**
* Sync event that fires when core update was successful
*
* @since 1.6.3
* @since-jetpack 5.0.0
*
* @param string $new_wp_version the updated WordPress version
* @param string $old_wp_version the previous WordPress version
*/
do_action( 'jetpack_sync_core_updated_successfully', $new_wp_version, $this->old_wp_version );
}
/**
* Retrieve the checksum for an update.
*
* @access public
*
* @param object $update The update object.
* @param string $transient The transient we're retrieving a checksum for.
* @return int The checksum.
*/
public function get_update_checksum( $update, $transient ) {
$updates = array();
$no_updated = array();
switch ( $transient ) {
case 'update_plugins':
if ( ! empty( $update->response ) && is_array( $update->response ) ) {
foreach ( $update->response as $plugin_slug => $response ) {
if ( ! empty( $plugin_slug ) && isset( $response->new_version ) ) {
$updates[] = array( $plugin_slug => $response->new_version );
}
}
}
if ( ! empty( $update->no_update ) ) {
$no_updated = array_keys( $update->no_update );
}
if ( ! isset( $no_updated['jetpack/jetpack.php'] ) && isset( $updates['jetpack/jetpack.php'] ) ) {
return false;
}
break;
case 'update_themes':
if ( ! empty( $update->response ) && is_array( $update->response ) ) {
foreach ( $update->response as $theme_slug => $response ) {
if ( ! empty( $theme_slug ) && isset( $response['new_version'] ) ) {
$updates[] = array( $theme_slug => $response['new_version'] );
}
}
}
if ( ! empty( $update->checked ) ) {
$no_updated = $update->checked;
}
break;
case 'update_core':
if ( ! empty( $update->updates ) && is_array( $update->updates ) ) {
foreach ( $update->updates as $response ) {
if ( ! empty( $response->response ) && 'latest' === $response->response ) {
continue;
}
if ( ! empty( $response->response ) && isset( $response->packages->full ) ) {
$updates[] = array( $response->response => $response->packages->full );
}
}
}
if ( ! empty( $update->version_checked ) ) {
$no_updated = $update->version_checked;
}
if ( empty( $updates ) ) {
return false;
}
break;
}
if ( empty( $updates ) && empty( $no_updated ) ) {
return false;
}
return $this->get_check_sum( array( $no_updated, $updates ) );
}
/**
* Validate a change coming from an update before sending for sync.
*
* @access public
*
* @param mixed $value Site transient value.
* @param int $expiration Time until transient expiration in seconds.
* @param string $transient Transient name.
*/
public function validate_update_change( $value, $expiration, $transient ) {
$new_checksum = $this->get_update_checksum( $value, $transient );
if ( false === $new_checksum ) {
return;
}
$checksums = get_option( self::UPDATES_CHECKSUM_OPTION_NAME, array() );
if ( isset( $checksums[ $transient ] ) && $checksums[ $transient ] === $new_checksum ) {
return;
}
$checksums[ $transient ] = $new_checksum;
update_option( self::UPDATES_CHECKSUM_OPTION_NAME, $checksums );
if ( 'update_core' === $transient ) {
/**
* Trigger a change to core update that we want to sync.
*
* @since 1.6.3
* @since-jetpack 5.1.0
*
* @param array $value Contains info that tells us what needs updating.
*/
do_action( 'jetpack_update_core_change', $value );
return;
}
if ( empty( $this->updates ) ) {
// Lets add the shutdown method once and only when the updates move from empty to filled with something.
add_action( 'shutdown', array( $this, 'sync_last_event' ), 9 );
}
if ( ! isset( $this->updates[ $transient ] ) ) {
$this->updates[ $transient ] = array();
}
$this->updates[ $transient ][] = $value;
}
/**
* Sync the last update only.
*
* @access public
*/
public function sync_last_event() {
foreach ( $this->updates as $transient => $values ) {
$value = end( $values ); // Only send over the last value.
/**
* Trigger a change to a specific update that we want to sync.
* Triggers one of the following actions:
* - jetpack_{$transient}_change
* - jetpack_update_plugins_change
* - jetpack_update_themes_change
*
* @since 1.6.3
* @since-jetpack 5.1.0
*
* @param array $value Contains info that tells us what needs updating.
*/
do_action( "jetpack_{$transient}_change", $value );
}
}
/**
* Enqueue the updates 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
/**
* Tells the client to sync all updates to the server
*
* @since 1.6.3
* @since-jetpack 4.2.0
*
* @param boolean Whether to expand updates (should always be true)
*/
do_action( 'jetpack_full_sync_updates', true );
// The number of actions enqueued, and next module state (true == done).
return array( 1, true );
}
/**
* Send the updates actions for full sync.
*
* @access public
*
* @param array $config Full sync configuration for this sync module.
* @param int $send_until The timestamp until the current request can send.
* @param array $state This module Full Sync status.
*
* @return array This module Full Sync status.
*/
public function send_full_sync_actions( $config, $send_until, $state ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
// we call this instead of do_action when sending immediately.
$this->send_action( 'jetpack_full_sync_updates', array( true ) );
// The number of actions enqueued, and next module state (true == done).
return array( 'finished' => 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
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_updates' );
}
/**
* Retrieve all updates that we're interested in.
*
* @access public
*
* @return array All updates.
*/
public function get_all_updates() {
return array(
'core' => get_site_transient( 'update_core' ),
'plugins' => get_site_transient( 'update_plugins' ),
'themes' => get_site_transient( 'update_themes' ),
);
}
/**
* Remove unnecessary keys from synced updates data.
*
* @access public
*
* @param array $args Hook arguments.
* @return array $args Hook arguments.
*/
public function filter_update_keys( $args ) {
$updates = $args[0];
if ( isset( $updates->no_update ) ) {
unset( $updates->no_update );
}
return $args;
}
/**
* Filter out upgrader object from the completed upgrader action args.
*
* @access public
*
* @param array $args Hook arguments.
* @return array $args Filtered hook arguments.
*/
public function filter_upgrader_process_complete( $args ) {
array_shift( $args );
return $args;
}
/**
* Expand the updates 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_updates( $args ) {
if ( $args[0] ) {
return $this->get_all_updates();
}
return $args;
}
/**
* Expand the themes 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_themes( $args ) {
if ( ! isset( $args[0], $args[0]->response ) ) {
return $args;
}
if ( ! is_array( $args[0]->response ) ) {
// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error
trigger_error( 'Warning: Not an Array as expected but -> ' . wp_json_encode( $args[0]->response ) . ' instead', E_USER_WARNING );
return $args;
}
foreach ( $args[0]->response as $stylesheet => &$theme_data ) {
$theme = wp_get_theme( $stylesheet );
$theme_data['name'] = $theme->name;
}
return $args;
}
/**
* Perform module cleanup.
* Deletes any transients and options that this module uses.
* Usually triggered when uninstalling the plugin.
*
* @access public
*/
public function reset_data() {
delete_option( self::UPDATES_CHECKSUM_OPTION_NAME );
}
/**
* Return Total number of objects.
*
* @param array $config Full Sync config.
*
* @return int total
*/
public function total( $config ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
return 3;
}
/**
* Retrieve a set of updates by their IDs.
*
* @access public
*
* @param string $object_type Object type.
* @param array $ids Object IDs.
* @return array Array of objects.
*/
public function get_objects_by_id( $object_type, $ids ) {
if ( empty( $ids ) || empty( $object_type ) || 'update' !== $object_type ) {
return array();
}
$objects = array();
foreach ( (array) $ids as $id ) {
$object = $this->get_object_by_id( $object_type, $id );
if ( 'all' === $id ) {
// If all was requested it contains all updates and can simply be returned.
return $object;
}
$objects[ $id ] = $object;
}
return $objects;
}
/**
* Retrieve a update by its id.
*
* @access public
*
* @param string $object_type Type of the sync object.
* @param string $id ID of the sync object.
* @return mixed Value of Update.
*/
public function get_object_by_id( $object_type, $id ) {
if ( 'update' === $object_type ) {
// Only whitelisted constants can be returned.
if ( in_array( $id, array( 'core', 'plugins', 'themes' ), true ) ) {
return get_site_transient( 'update_' . $id );
} elseif ( 'all' === $id ) {
return $this->get_all_updates();
}
}
return false;
}
}
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