# jetpack/16.2/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-initializer.php

Jetpack – WP Security, Backup, Speed, & Growth, version 16.2. 946 lines.

- Page: https://pluginprobe.com/plugins/jetpack/16.2/code/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-initializer.php
- Raw: https://pluginprobe.com/plugins/jetpack/16.2/raw/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-initializer.php
- Modified: 2026-09-10T16:26:30+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
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```php
<?php
/**
 * WP Admin page with information and configuration shared among all Jetpack stand-alone plugins
 *
 * @package automattic/my-jetpack
 */

namespace Automattic\Jetpack\My_Jetpack;

use Automattic\Jetpack\Admin_UI\Admin_Menu;
use Automattic\Jetpack\Assets;
use Automattic\Jetpack\Boost_Speed_Score\Speed_Score;
use Automattic\Jetpack\Boost_Speed_Score\Speed_Score_History;
use Automattic\Jetpack\Connection\Client;
use Automattic\Jetpack\Connection\Initial_State as Connection_Initial_State;
use Automattic\Jetpack\Connection\Manager as Connection_Manager;
use Automattic\Jetpack\Connection\Rest_Authentication as Connection_Rest_Authentication;
use Automattic\Jetpack\Connection\REST_Jetpack_AI_JWT;
use Automattic\Jetpack\Constants as Jetpack_Constants;
use Automattic\Jetpack\ExPlat;
use Automattic\Jetpack\JITMS\JITM;
use Automattic\Jetpack\Licensing;
use Automattic\Jetpack\Menu_Badges\Menu_Badges;
use Automattic\Jetpack\Menu_Badges\Notification_Counts;
use Automattic\Jetpack\Modules;
use Automattic\Jetpack\Plugins_Installer;
use Automattic\Jetpack\Status;
use Automattic\Jetpack\Status\Host as Status_Host;
use Automattic\Jetpack\Sync\Functions as Sync_Functions;
use Automattic\Jetpack\Terms_Of_Service;
use Automattic\Jetpack\Tracking;
use Automattic\Jetpack\WP_Build_Polyfills\WP_Build_Polyfills;
use Jetpack;
use WP_Error;

/**
 * The main Initializer class that registers the admin menu and eneuque the assets.
 */
class Initializer {

	/**
	 * My Jetpack package version
	 *
	 * @var string
	 */
	const PACKAGE_VERSION = '6.2.1';

	/**
	 * HTML container ID for the IDC screen on My Jetpack page.
	 */
	private const IDC_CONTAINER_ID = 'my-jetpack-identity-crisis-container';

	public const JETPACK_PLUGIN_SLUGS = array(
		'jetpack-backup',
		'jetpack-boost',
		'zerobscrm',
		'jetpack',
		'jetpack-protect',
		'jetpack-social',
		'jetpack-videopress',
		'jetpack-search',
	);

	private const MY_JETPACK_SITE_INFO_TRANSIENT_KEY = 'my-jetpack-site-info';

	/**
	 * Holds info/data about the site (from the /sites/%d endpoint)
	 *
	 * @var object
	 */
	public static $site_info;

	/**
	 * Initialize My Jetpack
	 *
	 * @return void
	 */
	public static function init() {
		if ( ! self::should_initialize() || did_action( 'my_jetpack_init' ) ) {
			return;
		}

		// Extend jetpack plugins action links.
		Products::extend_plugins_action_links();

		// Set up the REST authentication hooks.
		Connection_Rest_Authentication::init();

		if ( self::is_licensing_ui_enabled() ) {
			Licensing::instance()->initialize();
		}

		// Initialize Boost Speed Score
		new Speed_Score( array(), 'jetpack-my-jetpack' );

		// Add custom WP REST API endoints.
		add_action( 'rest_api_init', array( __CLASS__, 'register_rest_endpoints' ) );

		add_action( 'admin_menu', array( __CLASS__, 'add_my_jetpack_menu_item' ) );

		add_action( 'admin_init', array( __CLASS__, 'setup_historically_active_jetpack_modules_sync' ) );
		// Registered on admin_menu (not admin_init) and well before priority 100000, so the
		// counts it registers exist before the menu-badges renderer runs on admin_menu 100000.
		add_action( 'admin_menu', array( __CLASS__, 'maybe_show_red_bubble' ), 30 );

		// Set up the ExPlat package endpoints
		ExPlat::init();

		// Sets up JITMS.
		JITM::configure();

		// Add "Jetpack Manage" menu item.
		Jetpack_Manage::init();

		/**
		 * Fires after the My Jetpack package is initialized
		 *
		 * @since 0.1.0
		 */
		do_action( 'my_jetpack_init' );
	}

	/**
	 * Acts as a feature flag, returning a boolean for whether we should show the licensing UI.
	 *
	 * @since 1.2.0
	 *
	 * @return boolean
	 */
	public static function is_licensing_ui_enabled() {
		// Default changed to true in 1.5.0.
		$is_enabled = true;

		/*
		 * Bail if My Jetpack is not enabled,
		 * and thus the licensing UI shouldn't be enabled either.
		 */
		if ( ! self::should_initialize() ) {
			$is_enabled = false;
		}

		/**
		 * Acts as a feature flag, returning a boolean for whether we should show the licensing UI.
		 *
		 * @param bool $is_enabled Defaults to true.
		 *
		 * @since 1.2.0
		 * @since 1.5.0 Update default value to true.
		 */
		return apply_filters(
			'jetpack_my_jetpack_should_enable_add_license_screen',
			$is_enabled
		);
	}

	/**
	 * Add My Jetpack menu item to the admin menu.
	 *
	 * @return void
	 */
	public static function add_my_jetpack_menu_item() {
		$page_suffix = Admin_Menu::add_menu(
			__( 'My Jetpack', 'jetpack-my-jetpack' ),
			__( 'My Jetpack', 'jetpack-my-jetpack' ),
			'edit_posts',
			'my-jetpack',
			array( __CLASS__, 'admin_page' ),
			-10
		);
		add_action( 'load-' . $page_suffix, array( __CLASS__, 'admin_init' ) );
	}

	/**
	 * Callback for the load my jetpack page hook.
	 *
	 * @return void
	 */
	public static function admin_init() {
		$connection = new Connection_Manager();

		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- No nonce needed for redirect flow control
		$step = isset( $_GET['step'] ) ? sanitize_text_field( wp_unslash( $_GET['step'] ) ) : '';

		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Checking for partner coupon redemption flow
		$show_coupon_redemption = isset( $_GET['showCouponRedemption'] );

		// Redirect to Jetpack dashboard for partner coupon redemption
		if ( $show_coupon_redemption ) {
			wp_safe_redirect( admin_url( 'admin.php?page=jetpack&showCouponRedemption=1#/dashboard' ) );
			exit( 0 );
		}

		// Handle onboarding redirects based on connection status
		$redirect_args = self::get_onboarding_redirect_args( $step, $connection->is_connected(), self::is_onboarding_available() );

		if ( null !== $redirect_args ) {
			$admin_page = add_query_arg( $redirect_args, admin_url( 'admin.php' ) );
			$location   = wp_sanitize_redirect( $admin_page );

			// Remove wp_get_referer filter applied in `fix_redirect` method of `Jetpack_Admin` class
			remove_filter( 'wp_redirect', 'wp_get_referer' );
			wp_safe_redirect( $location );

			exit( 0 );
		}

		// If the user reaches the onboarding page, add a class to the body
		if ( $step === 'onboarding' ) {
			add_filter( 'admin_body_class', array( __CLASS__, 'add_onboarding_admin_body_class' ) );
		}

		self::$site_info = self::get_site_info();
		add_filter( 'identity_crisis_container_id', array( static::class, 'get_idc_container_id' ) );
		add_action( 'admin_enqueue_scripts', array( __CLASS__, 'enqueue_scripts' ) );
	}

	/**
	 * Whether the My Jetpack onboarding flow is available on this site.
	 *
	 * WordPress.com Simple sites are connected by definition and don't manage their
	 * connection through My Jetpack, so the onboarding flow (which asks the user to
	 * connect) never applies there.
	 *
	 * @internal Not part of the package's public API.
	 *
	 * @return bool
	 */
	public static function is_onboarding_available() {
		return ! ( new Status_Host() )->is_wpcom_simple();
	}

	/**
	 * Decide whether the current My Jetpack request should redirect, and where to.
	 *
	 * @internal Not part of the package's public API.
	 *
	 * @param string $step                 The current `step` query param.
	 * @param bool   $is_connected         Whether the site is connected to WordPress.com.
	 * @param bool   $onboarding_available Whether the onboarding flow is available on this site.
	 * @return array|null Query args for the redirect, or null to stay on the current page.
	 */
	public static function get_onboarding_redirect_args( $step, $is_connected, $onboarding_available ) {
		if ( $onboarding_available && ! $is_connected && $step !== 'onboarding' ) {
			// Redirect to onboarding if not connected
			return array(
				'page' => 'my-jetpack',
				'step' => 'onboarding',
			);
		}

		if ( $step === 'onboarding' && ( ! $onboarding_available || $is_connected ) ) {
			// Redirect away from onboarding if already connected or onboarding is not available on this site
			return array( 'page' => 'my-jetpack' );
		}

		return null;
	}

	/**
	 * Add a body class to the My Jetpack onboarding page.
	 * This class hides the WP Admin toolbar and the sidebar menu.
	 *
	 * @param string $classes The body classes.
	 * @return string The modified body classes.
	 */
	public static function add_onboarding_admin_body_class( $classes ) {
		$classes .= 'jetpack-admin-full-screen';
		return $classes;
	}

	/**
	 * Returns whether we are in condition to track to use
	 * Analytics functionality like Tracks, MC, or GA.
	 */
	public static function can_use_analytics() {
		$status     = new Status();
		$connection = new Connection_Manager();
		$tracking   = new Tracking( 'jetpack', $connection );

		return $tracking->should_enable_tracking( new Terms_Of_Service(), $status );
	}

	/**
	 * Register polyfills for the wp-notices / wp-private-apis / wp-rich-text / wp-theme
	 * handles the My Jetpack app bundle depends on but WP < 7.0 does not ship (or ships
	 * with an incomplete allowlist).
	 *
	 * `wp-rich-text` is needed because the bundle reaches `@wordpress/dataviews` (via
	 * `@wordpress/ui`), whose dataform controls unlock rich-text's `privateApis` at module
	 * scope. WP 6.9 exports none, so without the polyfill the bundle throws "Cannot unlock
	 * an undefined object" and the page renders blank.
	 *
	 * @return void
	 */
	public static function register_wp_build_polyfills() {
		if ( ! class_exists( WP_Build_Polyfills::class ) ) {
			return;
		}

		WP_Build_Polyfills::register(
			'my-jetpack',
			array( 'wp-notices', 'wp-private-apis', 'wp-rich-text', 'wp-theme' )
		);
	}

	/**
	 * Enqueue admin page assets.
	 *
	 * @return void
	 */
	public static function enqueue_scripts() {
		// Register the wp-build-polyfills shim before the extension hook below or
		// the app script can enqueue against wp-theme / wp-private-apis / wp-notices.
		// WP_Build_Polyfills registers synchronously on its first caller, so calling
		// it after a hook consumer would leave our handles recorded but unregistered
		// for this request.
		self::register_wp_build_polyfills();

		/**
		 * Fires after the My Jetpack page is initialized.
		 * Allows for enqueuing additional scripts only on the My Jetpack page.
		 *
		 * @since 4.35.7
		 */
		do_action( 'myjetpack_enqueue_scripts' );
		add_filter( 'jetpack_admin_js_script_data', array( __CLASS__, 'add_script_data' ) );
		Assets::register_script(
			'my_jetpack_main_app',
			'../build/index.js',
			__FILE__,
			array(
				'enqueue'    => true,
				'in_footer'  => true,
				'textdomain' => 'jetpack-my-jetpack',
			)
		);
		$modules             = new Modules();
		$connection          = new Connection_Manager();
		$speed_score_history = new Speed_Score_History( get_site_url() );
		$latest_score        = $speed_score_history->latest();
		$previous_score      = array();
		if ( $speed_score_history->count() > 1 ) {
			$previous_score = $speed_score_history->latest( 1 );
		}
		$latest_score['previousScores'] = $previous_score['scores'] ?? array();

		$sandboxed_domain = '';
		$is_dev_version   = false;
		if ( class_exists( 'Jetpack' ) ) {
			$is_dev_version   = Jetpack::is_development_version();
			$sandboxed_domain = defined( 'JETPACK__SANDBOX_DOMAIN' ) ? JETPACK__SANDBOX_DOMAIN : '';
		}

		wp_localize_script(
			'my_jetpack_main_app',
			'myJetpackInitialState',
			array(
				'products'               => array(
					'items' => Products::get_products(),
				),
				'plugins'                => Plugins_Installer::get_plugins(),
				'themes'                 => Sync_Functions::get_themes(),
				'myJetpackUrl'           => admin_url( 'admin.php?page=my-jetpack' ),
				'myJetpackCheckoutUri'   => admin_url( 'admin.php?page=my-jetpack' ),
				'topJetpackMenuItemUrl'  => Admin_Menu::get_top_level_menu_item_url(),
				'siteSuffix'             => ( new Status() )->get_site_suffix(),
				'siteUrl'                => esc_url( get_site_url() ),
				'blogID'                 => Connection_Manager::get_site_id( true ),
				'myJetpackVersion'       => self::PACKAGE_VERSION,
				'myJetpackFlags'         => self::get_my_jetpack_flags(),
				'fileSystemWriteAccess'  => self::has_file_system_write_access(),
				'loadAddLicenseScreen'   => self::is_licensing_ui_enabled(),
				'adminUrl'               => esc_url( admin_url() ),
				'IDCContainerID'         => static::get_idc_container_id(),
				'userIsAdmin'            => current_user_can( 'manage_options' ),
				'lifecycleStats'         => array(
					'jetpackPlugins'            => self::get_installed_jetpack_plugins(),
					'historicallyActiveModules' => \Jetpack_Options::get_option( 'historically_active_modules', array() ),
					'brokenModules'             => Red_Bubble_Notifications::check_for_broken_modules(),
					'isSiteConnected'           => $connection->is_connected(),
					'isUserConnected'           => $connection->is_user_connected(),
					'modules'                   => self::get_active_modules(),
				),
				'recommendedModules'     => array(
					'modules'    => self::get_recommended_modules(),
					'isFirstRun' => \Jetpack_Options::get_option( 'recommendations_first_run', true ),
					'dismissed'  => \Jetpack_Options::get_option( 'dismissed_recommendations', false ),
				),
				'isStatsModuleActive'    => $modules->is_active( 'stats' ),
				'canUserViewStats'       => current_user_can( 'manage_options' ) || current_user_can( 'view_stats' ),
				'sandboxedDomain'        => $sandboxed_domain,
				'isDevVersion'           => $is_dev_version,
				'isAtomic'               => ( new Status_Host() )->is_woa_site(),
				'isJetpackPluginActive'  => class_exists( 'Jetpack' ),
				'latestBoostSpeedScores' => $latest_score,
				'seoOptIn'               => self::get_seo_opt_in_state(),
			)
		);

		wp_localize_script(
			'my_jetpack_main_app',
			'myJetpackRest',
			array(
				'apiRoot'  => esc_url_raw( rest_url() ),
				'apiNonce' => wp_create_nonce( 'wp_rest' ),
			)
		);

		// Connection Initial State.
		Connection_Initial_State::render_script( 'my_jetpack_main_app' );

		// Required for Analytics.
		if ( self::can_use_analytics() ) {
			Tracking::register_tracks_functions_scripts( true );
		}
	}

	/**
	 * Add My Jetpack data to the unified script data object.
	 *
	 * @param array $data The script data.
	 * @return array
	 */
	public static function add_script_data( $data ) {
		$block_availability = class_exists( '\Jetpack_Gutenberg' )
			? \Jetpack_Gutenberg::get_cached_availability()
			: array();

		$data['myJetpack']['siteEditor'] = array(
			'isBlockTheme'            => function_exists( 'wp_is_block_theme' ) && wp_is_block_theme(),
			'isSharingBlockAvailable' => isset( $block_availability['sharing-buttons'] )
				&& $block_availability['sharing-buttons']['available'],
			'activeThemeStylesheet'   => get_stylesheet(),
		);

		return $data;
	}

	/**
	 * Get installed Jetpack plugins
	 *
	 * @return array
	 */
	public static function get_installed_jetpack_plugins() {
		$plugin_slugs = array_keys( Plugins_Installer::get_plugins() );
		$plugin_slugs = array_map(
			static function ( $slug ) {
				$parts = explode( '/', $slug );
				// Return the last segment of the filepath without the PHP extension
				return str_replace( '.php', '', $parts[ count( $parts ) - 1 ] );
			},
			$plugin_slugs
		);

		return array_values( array_intersect( self::JETPACK_PLUGIN_SLUGS, $plugin_slugs ) );
	}

	/**
	 * Get active modules (except ones enabled by default)
	 *
	 * @return array
	 */
	public static function get_active_modules() {
		$modules        = new Modules();
		$active_modules = $modules->get_active();

		// if the Jetpack plugin is active, filter out the modules that are active by default
		if ( class_exists( 'Jetpack' ) && ! empty( $active_modules ) ) {
			$active_modules = array_diff( $active_modules, Jetpack::get_default_modules() );
		}
		return array_values( $active_modules );
	}

	/**
	 * Determine if the current user is "new" to Jetpack
	 * This is used to vary some messaging in My Jetpack
	 *
	 * On the front-end, purchases are also taken into account
	 *
	 * @return bool
	 */
	public static function is_jetpack_user_new() {
		// is the user connected?
		$connection = new Connection_Manager();
		if ( $connection->is_user_connected() ) {
			return false;
		}

		// TODO: add a data point for the last known connection/ disconnection time

		// are any modules active?
		$active_modules = self::get_active_modules();
		if ( ! empty( $active_modules ) ) {
			return false;
		}

		// check for other Jetpack plugins that are installed on the site (active or not)
		// If there's more than one Jetpack plugin active, this user is not "new"
		$plugin_slugs              = array_keys( Plugins_Installer::get_plugins() );
		$plugin_slugs              = array_map(
			static function ( $slug ) {
				$parts = explode( '/', $slug );
				// Return the last segment of the filepath without the PHP extension
				return str_replace( '.php', '', $parts[ count( $parts ) - 1 ] );
			},
			$plugin_slugs
		);
		$installed_jetpack_plugins = array_intersect( self::JETPACK_PLUGIN_SLUGS, $plugin_slugs );
		if ( is_countable( $installed_jetpack_plugins ) && count( $installed_jetpack_plugins ) >= 2 ) {
			return false;
		}

		// Does the site have any purchases?
		$purchases = Wpcom_Products::get_site_current_purchases();
		if ( ! empty( $purchases ) && ! is_wp_error( $purchases ) ) {
			return false;
		}

		return true;
	}

	/**
	 *  Build flags for My Jetpack UI
	 *
	 *  @return array
	 */
	public static function get_my_jetpack_flags() {
		$flags = array(
			'videoPressStats'          => Jetpack_Constants::is_true( 'JETPACK_MY_JETPACK_VIDEOPRESS_STATS_ENABLED' ),
			'showFullJetpackStatsCard' => class_exists( 'Jetpack' ),
			// Only says which destination `manage_url` is: the legacy Stats page
			// caches its report and wants a `force_refresh` hint the dashboard does not.
			'premiumAnalyticsEnabled'  => Products\Stats::is_premium_analytics_enabled(),
			'showAiModuleToggle'       => Products\Jetpack_Ai::is_feature_ui_enabled(),
		);

		return $flags;
	}

	/**
	 * Build the state the My Jetpack "try the new SEO experience" opt-in card hydrates from.
	 *
	 * The card invites an existing self-hosted install to switch over to the new Jetpack SEO
	 * dashboard (JETPACK-1700). Gating lives server-side, where the signals actually are. The
	 * card shows only when all of:
	 *
	 * - the new SEO product is available — the `rsm_jetpack_seo` feature filter is on (the SEO
	 *   package autoloads regardless, so `class_exists()` alone isn't enough; the filter is the
	 *   real availability switch and the same one the SEO package gates its own surface behind);
	 * - the site is self-hosted — WordPress.com (Simple + Atomic) decides its own SEO surface, so
	 *   the opt-in card is for self-hosted installs only;
	 * - the install hasn't opted in yet — `jetpack_seo_surface_visible` is still false. On wpcom
	 *   the SEO package's `is_seo_surface_visible()` short-circuits to `true`, so the
	 *   "not visible yet" check also doubles as the self-hosted guard, but we check the platform
	 *   explicitly for clarity.
	 *
	 * Referenced through `class_exists()` rather than a hard composer dependency: both packages
	 * ship inside the Jetpack plugin and the SEO surface is feature-flagged, so a guarded read of
	 * its public API keeps this from adding plumbing to consumers that don't load SEO.
	 *
	 * The on-success destination is computed by the opt-in endpoint itself; we only seed the card
	 * with the same admin URL so the button has a sensible fallback before the request resolves.
	 *
	 * @return array{showCard: bool, redirect: string}
	 */
	public static function get_seo_opt_in_state() {
		// Guard with method_exists rather than class_exists: an older bundled SEO package can ship
		// the Initializer class without this method, and class_exists alone would still fatal.
		$seo_initializer = 'Automattic\Jetpack\SEO\Initializer';
		// @phan-suppress-next-line PhanUndeclaredClassReference -- optional SEO package, guarded by method_exists.
		$show_card = method_exists( $seo_initializer, 'is_optin_available' ) && $seo_initializer::is_optin_available();

		return array(
			'showCard' => $show_card,
			'redirect' => admin_url( 'admin.php?page=jetpack-seo' ),
		);
	}

	/**
	 * Echoes the admin page content.
	 *
	 * @return void
	 */
	public static function admin_page() {
		$step = isset( $_GET['step'] ) ? sanitize_text_field( wp_unslash( $_GET['step'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended

		// No connection check needed here: admin_init() has already redirected connected users away from onboarding.
		// Availability IS re-checked on purpose: this render can run even when that redirect did not,
		// and the check below is what keeps the onboarding route off WordPress.com Simple sites.
		$is_onboarding = $step === 'onboarding' && self::is_onboarding_available();

		// Add data attribute for onboarding, otherwise render normal container
		echo '<div id="my-jetpack-container" ' . ( $is_onboarding ? 'data-route="onboarding"' : '' ) . '></div>';
	}

	/**
	 * Register the REST API routes.
	 *
	 * @return void
	 */
	public static function register_rest_endpoints() {
		new REST_Products();
		new REST_Purchases();
		new REST_Zendesk_Chat();
		( new REST_Jetpack_AI_JWT() )->register_rest_route();
		new REST_Recommendations_Evaluation();

		Products::register_product_endpoints();
		Historically_Active_Modules::register_rest_endpoints();
		Jetpack_Manage::register_rest_endpoints();
		Red_Bubble_Notifications::register_rest_endpoints();

		register_rest_route(
			'my-jetpack/v1',
			'site',
			array(
				'methods'             => \WP_REST_Server::READABLE,
				'callback'            => __CLASS__ . '::get_site',
				'permission_callback' => __CLASS__ . '::permissions_callback',
			)
		);

		register_rest_route(
			'my-jetpack/v1',
			'site/dismiss-welcome-banner',
			array(
				'methods'             => \WP_REST_Server::EDITABLE,
				'callback'            => __CLASS__ . '::dismiss_welcome_banner',
				'permission_callback' => __CLASS__ . '::permissions_callback',
			)
		);
	}

	/**
	 * Check user capability to access the endpoint.
	 *
	 * @access public
	 * @static
	 *
	 * @return true|WP_Error
	 */
	public static function permissions_callback() {
		return current_user_can( 'manage_options' );
	}

	/**
	 * Return true if we should initialize the My Jetpack admin page.
	 */
	public static function should_initialize() {
		$should = true;

		// All options presented in My Jetpack require a connection to WordPress.com.
		if ( ( new Status() )->is_offline_mode() ) {
			$should = false;
		}

		/**
		 * Allows filtering whether My Jetpack should be initialized.
		 *
		 * @since 0.5.0-alpha
		 *
		 * @param bool $shoud_initialize Should we initialize My Jetpack?
		 */
		return apply_filters( 'jetpack_my_jetpack_should_initialize', $should );
	}

	/**
	 * Hook into several connection-based actions to update the historically active Jetpack modules
	 * If the transient that indicates the list needs to be synced, update it and delete the transient
	 *
	 * @return void
	 */
	public static function setup_historically_active_jetpack_modules_sync() {
		// yummmm. ham.
		$ham = new Historically_Active_Modules();
		if ( get_transient( $ham::UPDATE_HISTORICALLY_ACTIVE_JETPACK_MODULES_KEY ) && ! wp_doing_ajax() ) {
			$ham::update_historically_active_jetpack_modules();
			delete_transient( $ham::UPDATE_HISTORICALLY_ACTIVE_JETPACK_MODULES_KEY );
		}

		$actions = array(
			'jetpack_site_registered',
			'jetpack_user_authorized',
			'activated_plugin',
		);

		foreach ( $actions as $action ) {
			add_action( $action, array( $ham, 'queue_historically_active_jetpack_modules_update' ), 5 );
		}

		// Modules are often updated async, so we need to update them right away as there will sometimes be no page reload.
		add_action( 'jetpack_activate_module', array( $ham, 'update_historically_active_jetpack_modules' ), 5 );
	}

	/**
	 * Site full-data endpoint.
	 *
	 * @return object Site data.
	 */
	public static function get_site() {
		$site_id           = \Jetpack_Options::get_option( 'id' );
		$wpcom_endpoint    = sprintf( '/sites/%d?force=wpcom', $site_id );
		$wpcom_api_version = '1.1';
		$response          = Client::wpcom_json_api_request_as_blog( $wpcom_endpoint, $wpcom_api_version );
		$response_code     = wp_remote_retrieve_response_code( $response );
		$body              = json_decode( wp_remote_retrieve_body( $response ) );

		if ( is_wp_error( $response ) || empty( $response['body'] ) ) {
			return new WP_Error( 'site_data_fetch_failed', 'Site data fetch failed', array( 'status' => $response_code ) );
		}

		return rest_ensure_response( $body );
	}

	/**
	 * Populates the self::$site_info var with site data from the /sites/%d endpoint
	 *
	 * @return object|WP_Error
	 */
	public static function get_site_info() {
		static $site_info = null;

		if ( $site_info !== null ) {
			return $site_info;
		}

		// Check for a cached value before doing lookup
		$stored_site_info = get_transient( self::MY_JETPACK_SITE_INFO_TRANSIENT_KEY );
		if ( $stored_site_info !== false ) {
			return $stored_site_info;
		}

		$response = self::get_site();
		if ( is_wp_error( $response ) ) {
			return $response;
		}
		$site_info = $response->data;
		set_transient( self::MY_JETPACK_SITE_INFO_TRANSIENT_KEY, $site_info, DAY_IN_SECONDS );

		return $site_info;
	}

	/**
	 * Returns whether a site has been determined "commercial" or not.
	 *
	 * @return bool|null
	 */
	public static function is_commercial_site() {
		if ( is_wp_error( self::$site_info ) ) {
			return null;
		}

		return empty( self::$site_info->options->is_commercial ) ? false : self::$site_info->options->is_commercial;
	}

	/**
	 * Check if site is registered (has been connected before).
	 *
	 * @return bool
	 */
	public static function is_registered() {
		return (bool) \Jetpack_Options::get_option( 'id' );
	}

	/**
	 * Dismiss the welcome banner.
	 *
	 * @return \WP_REST_Response
	 */
	public static function dismiss_welcome_banner() {
		\Jetpack_Options::update_option( 'dismissed_welcome_banner', true );
		return rest_ensure_response( array( 'success' => true ) );
	}

	/**
	 * Returns "yes" if the site has file write access to the plugins folder, "no" otherwise.
	 *
	 * @return string
	 **/
	public static function has_file_system_write_access() {

		$cache = get_transient( 'my_jetpack_write_access' );

		if ( false !== $cache ) {
			return $cache;
		}

		if ( ! function_exists( 'get_filesystem_method' ) ) {
			require_once ABSPATH . 'wp-admin/includes/file.php';
		}

		require_once ABSPATH . 'wp-admin/includes/template.php';

		$write_access = 'no';

		$filesystem_method = get_filesystem_method( array(), WP_PLUGIN_DIR );
		if ( 'direct' === $filesystem_method ) {
			$write_access = 'yes';
		}

		if ( 'no' === $write_access ) {
			ob_start();
			$filesystem_credentials_are_stored = request_filesystem_credentials( self_admin_url() );
			ob_end_clean();

			if ( $filesystem_credentials_are_stored ) {
				$write_access = 'yes';
			}
		}

		set_transient( 'my_jetpack_write_access', $write_access, 30 * MINUTE_IN_SECONDS );

		return $write_access;
	}

	/**
	 * Get container IDC for the IDC screen.
	 *
	 * @return string
	 */
	public static function get_idc_container_id() {
		return static::IDC_CONTAINER_ID;
	}

	/**
	 * Conditionally append the red bubble notification to the "Jetpack" menu item if there are alerts to show.
	 *
	 * On My Jetpack page: Uses blocking behavior to fetch fresh data.
	 * On other admin pages: Uses cached data only to avoid blocking, with async JS fetch if cache is empty.
	 *
	 * @return void
	 */
	public static function maybe_show_red_bubble() {
		global $pagenow;

		// Don't show red bubble alerts for non-admin users
		// These alerts are generally only actionable for admins
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		// Don't show any red bubbles when Jetpack is disconnected
		// Users can't act on most alerts without a connection
		$connection = new Connection_Manager();
		if ( ! $connection->is_connected() ) {
			return;
		}

		// Check if we're on the My Jetpack page.
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended
		$page               = isset( $_GET['page'] ) ? sanitize_text_field( wp_unslash( $_GET['page'] ) ) : '';
		$is_my_jetpack_page = $pagenow === 'admin.php' && $page === 'my-jetpack';

		if ( $is_my_jetpack_page ) {
			// On My Jetpack page: use blocking behavior for fresh data.
			add_filter( 'my_jetpack_red_bubble_notification_slugs', array( Red_Bubble_Notifications::class, 'add_red_bubble_alerts' ) );
			$red_bubble_alerts = Red_Bubble_Notifications::get_red_bubble_alerts();
		} else {
			// On other pages: use cached data only to avoid blocking.
			$cached_alerts = Red_Bubble_Notifications::get_cached_alerts();

			if ( false === $cached_alerts ) {
				// No cache: warm it asynchronously via JS. Register a hidden zero-count
				// placeholder so Menu_Renderer emits a `my-jetpack` badge element the
				// warmer can reveal (see async-notification-bubble.ts) without a reload.
				Menu_Badges::init(); // idempotent; wires the renderer.
				Notification_Counts::register(
					'my-jetpack',
					array(
						'menu_slug' => 'my-jetpack',
						'count'     => 0,
						'type'      => 'count',
					)
				);
				add_action( 'admin_enqueue_scripts', array( __CLASS__, 'enqueue_red_bubble_script' ) );
				return;
			}

			$red_bubble_alerts = $cached_alerts;
		}

		// Filter out silent alerts.
		$red_bubble_alerts = array_filter(
			$red_bubble_alerts,
			function ( $alert ) {
				return empty( $alert['is_silent'] );
			}
		);

		// Report each non-silent alert to the central menu-badges registry as an
		// attention entry (count 1). The registry + renderer own the badge.
		Menu_Badges::init(); // idempotent; wires the renderer.
		foreach ( array_keys( $red_bubble_alerts ) as $slug ) {
			// Protect reports its own count directly to the registry, but only when its
			// standalone plugin is active (see class-jetpack-protect.php::admin_page_init()).
			// If the standalone plugin isn't active, nobody else registers this count, so we
			// must not skip it here or the alert silently disappears from the menu total.
			if ( 'protect_has_threats' === $slug && Products\Protect::is_standalone_plugin_active() ) {
				continue;
			}
			Notification_Counts::register(
				'my-jetpack-' . $slug,
				array(
					'menu_slug' => 'my-jetpack',
					'type'      => 'attention',
				)
			);
		}
	}

	/**
	 * Enqueue the notification bubble script.
	 * Fetches fresh alert data via REST API without blocking page load.
	 *
	 * @return void
	 */
	public static function enqueue_red_bubble_script() {
		Assets::register_script(
			'my-jetpack-notification-bubble',
			'../build/async-notification-bubble.js',
			__FILE__,
			array(
				'enqueue'   => true,
				'in_footer' => true,
			)
		);
	}

	/**
	 * Get list of module names sorted by their recommendation score
	 *
	 * @return array|null
	 */
	public static function get_recommended_modules() {
		$recommendations_evaluation = \Jetpack_Options::get_option( 'recommendations_evaluation', null );

		if ( empty( $recommendations_evaluation ) || ! is_array( $recommendations_evaluation ) ) {
			return null;
		}

		arsort( $recommendations_evaluation ); // Sort by scores in descending order

		return array_keys( $recommendations_evaluation ); // Get only module names
	}
}

```