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<?php |
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/** |
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* Main plugin bootstrap. |
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* |
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* @package XSpeed |
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*/ |
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|
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namespace XSpeed; |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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class Plugin { |
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|
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/** |
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* Data-schema version for one-time migrations, independent of the |
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* plugin version header. Bump when adding a step to maybe_upgrade(). |
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*/ |
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public const DATA_VERSION = '1.1.6'; |
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|
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private static $instance = null; |
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|
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/** @var Usage_Tracker|null */ |
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private $usage_tracker = null; |
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|
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public static function instance() { |
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if ( null === self::$instance ) { |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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|
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public function init() { |
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// v1 services that are NOT yet wrapped as Modules (Admin, Rest_Api, |
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// Cache, Onboarding) are instantiated directly. Minifier is now |
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// instantiated by MinifyModule::boot(); Gzip is purely static. |
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new Admin(); |
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new Rest_Api(); |
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new Cache(); |
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new Rest_Cache(); |
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new Onboarding(); |
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|
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// Optional deactivation feedback survey on the Plugins screen. Admin |
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// context only (its hooks are admin_enqueue_scripts / admin_footer / |
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// wp_ajax). Sends nothing unless the user clicks "Submit & Deactivate". |
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if ( is_admin() ) { |
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new Deactivation_Feedback(); |
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} |
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|
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// Opt-in usage analytics. Instantiating + init() only registers the |
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// cron callback; NOTHING is collected or sent until the admin opts in |
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// from the setup wizard (Onboarding wires the consent toggle to |
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// Usage_Tracker::opt_in()). See class-usage-tracker.php privacy contract. |
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$this->start_plugin_tracking(); |
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|
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// Auto-heal the cache drop-in + WP_CACHE constant when state |
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// drifts. Scoped to admin_init only: filesystem writes belong in |
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// an authenticated admin context, never on anonymous front-end |
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// requests. The user already opted in (cache_enabled=true) — |
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// this is a consistency check, not a new install path. First |
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// admin page load after a plugin upgrade restores the state; |
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// front-end then serves from cache on the next request. |
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add_action( 'admin_init', array( Cache::class, 'auto_heal' ) ); |
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// Cheap: returns immediately unless the stored schema version is |
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// behind. Covers updates and multisite, where activate() never runs. |
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add_action( 'admin_init', array( Score_Store::class, 'maybe_install' ) ); |
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|
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// Secondary net: restore as soon as an update completes, for the |
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// cases where activate() does not re-run (bulk updates, auto-updates, |
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// some host updaters). Best-effort by nature — this callback is only |
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// registered when we were loaded in the request performing the |
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// update, which is not guaranteed while WE are the plugin being |
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// replaced. The restore in activate() is the primary guarantee; |
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// auto_heal() on admin_init remains the backstop. |
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add_action( 'upgrader_process_complete', array( $this, 'maybe_restore_after_update' ), 10, 2 ); |
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|
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// Per-post cache rules (Phase 3.4) — registers postmeta with |
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// REST + meta box on edit screens. |
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Cache_Meta_Box::boot(); |
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|
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// Single-URL purge entry points — row actions, the edit-screen |
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// button and the admin-post handler the admin-bar item also uses. |
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Purge_Ui::boot(); |
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|
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// Phase 0 architecture — managers + Free modules. v1 services |
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// (Cache/Minifier/Gzip) are NOT yet Modules; they'll be refactored |
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// in a follow-up PR with parity tests. |
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Conflict_Registry::boot(); |
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|
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// Read-only page-cache ownership evidence, behind the same |
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// activation/deactivation invalidation as the conflict matrix. |
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Page_Cache_Detector::boot(); |
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|
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// Integrations that clear OTHER plugins' caches of rendered output |
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// (Elementor's element cache + generated CSS). Registers a listener |
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// only; nothing runs until Cache::purge_render_caches() asks. |
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Render_Caches::boot(); |
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// Server_Caches needs no boot(): Cache::dispatch_purge_event() calls it |
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// directly so a throwing third-party listener cannot skip it. |
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|
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// Forward a full purge to a full-page cache owned by the WEB SERVER |
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// (nginx FastCGI, via the host's Nginx Helper install). Registers a |
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// listener on xspeed_after_purge_all only; it stands down unless |
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// that cache is actually configured. |
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Host_Page_Caches::boot(); |
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|
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// Register Free modules via the same action xspeed-pro uses, so |
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// the bootstrap path is symmetric across tiers. |
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add_action( 'xspeed_register_modules', array( $this, 'register_free_modules' ) ); |
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|
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// Fire the registration action + boot the registry at a LATER |
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// plugins_loaded priority so add-on plugins (xspeed-pro, in |
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// alphabetical order so it runs at default priority 10 AFTER |
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// us, but any add-on loaded at plugins_loaded(< 20)) have a |
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// chance to register their `xspeed_register_modules` callback |
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// before we fire the action. |
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// |
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// Bug history: previously this fired inline from init() at |
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// priority 10. xspeed-pro's plugins_loaded(15) hook then added |
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// its register_pro_modules callback AFTER the action had |
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// already fired — Pro modules never appeared in the registry. |
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// Caught by the ProStatus sentinel module's integration test. |
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add_action( 'plugins_loaded', array( $this, 'fire_module_lifecycle' ), 20 ); |
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|
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// One-time data migrations keyed on the stored version. Runs in |
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// admin only — nothing here needs to touch a front-end request. |
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if ( is_admin() ) { |
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add_action( 'plugins_loaded', array( $this, 'maybe_upgrade' ), 21 ); |
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} |
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} |
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|
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/** |
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* Run version-gated data migrations exactly once per upgrade. |
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* |
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* Keyed on `xspeed_data_version` rather than the plugin version header |
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* so a migration can be added without forcing a release bump. |
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*/ |
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public function maybe_upgrade(): void { |
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$current = (string) get_option( 'xspeed_data_version', '0' ); |
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if ( version_compare( $current, self::DATA_VERSION, '>=' ) ) { |
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return; |
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} |
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|
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// 1.1.2 — strip credential values recorded by earlier versions' |
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// settings change annotations (they're served by the trend endpoints). |
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Activity_Log::redact_legacy_secrets(); |
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|
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// 1.1.4 — earlier versions cached a failed loopback as "gzip is not |
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// active" for an hour, which showed up as a bogus server-config |
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// warning. Drop the stale answer so the fixed probe re-runs instead |
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// of the wrong verdict living on past the update (issue #18). |
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delete_transient( 'xspeed_gzip_active' ); |
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|
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// 1.1.6 — a `/?s=<term>` request used to write its results page into |
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// the static tree under the *searched-from* path, which for the usual |
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// query-form search is `/`. The web server then served that results |
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// page as the homepage to every visitor. The write is fixed in |
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// Cache::store_static(), but an entry poisoned before the update |
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// outlives it: nothing purges on upgrade, and the static serve path |
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// never revalidates. Clear the tree once. The flat cache is keyed |
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// correctly and is deliberately left alone. (issue #191) |
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Cache::purge_static_tree(); |
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|
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update_option( 'xspeed_data_version', self::DATA_VERSION, false ); |
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} |
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|
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/** |
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* Phase 2 of plugin init: fire the registration action (collecting |
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* Free + Pro + any third-party modules hooked into |
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* `xspeed_register_modules`) and boot the registry. |
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* |
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* Runs at plugins_loaded(20) so every add-on that hooks at any |
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* priority < 20 has time to register first. |
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*/ |
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public function fire_module_lifecycle(): void { |
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$this->ensure_modules_registered(); |
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|
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Module_Registry::boot_all(); |
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} |
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|
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/** |
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* Fire `xspeed_register_modules` if this request has not yet, hooking |
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* Free's own registration first when init() never got the chance. |
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* |
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* The activation request is the case that matters. activate_plugin() |
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* includes the plugin file long after `plugins_loaded` has fired, so the |
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* `plugins_loaded` callback init() would have added never runs, and |
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* neither does the add_action() inside it that puts register_free_modules |
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* on the action. Firing the action from activate() then registered |
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* nothing: Settings::conflict_safe_profile() composed from an empty |
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* registry, and a site with WP Super Cache came up with lazy-load, |
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* resource hints, font swapping and preloading switched on — only the |
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* four settings the registry-independent fallback names were held down |
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* (PR #295 review). Module_Registry::activate_all() has been a no-op on |
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* the same request for the same reason. |
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* |
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* On the activation request that means Free only: an add-on cannot have |
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* hooked yet, because xspeed-pro bails when Free's classes are absent and |
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* only hooks the action (at priority 20, from plugins_loaded(15)) once |
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* Free is active. On an ordinary request fire_module_lifecycle() reaches |
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* this at plugins_loaded(20) with every add-on already hooked. Do not |
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* call this from anything that can run in between: the action fires |
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* once, and an add-on that has not hooked yet stays unregistered for the |
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* whole request. |
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* did_action() keeps the action to one firing per request, so an |
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* activation that ran first does not make plugins_loaded(20) register |
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* every module a second time. |
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*/ |
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public function ensure_modules_registered(): void { |
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if ( did_action( 'xspeed_register_modules' ) ) { |
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return; |
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} |
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|
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/* |
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* register_free_modules() does an unconditional `new` on every module |
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* class. On an ordinary request xspeed.php's integrity check refuses |
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* to boot before that can fatal and explains itself in an admin |
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* notice; the activation hook is registered outside that check, so |
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* an install missing a module file (truncated zip, a security |
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* plugin's quarantine, a half-applied update) would fatal here with |
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* no notice and no active plugin. Same answer as boot: do nothing. |
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*/ |
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if ( function_exists( 'xspeed_missing_core_classes' ) && ! empty( xspeed_missing_core_classes() ) ) { |
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return; |
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} |
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|
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if ( ! has_action( 'xspeed_register_modules', array( $this, 'register_free_modules' ) ) ) { |
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add_action( 'xspeed_register_modules', array( $this, 'register_free_modules' ) ); |
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} |
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|
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/** |
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* Action: xspeed_register_modules |
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* |
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* Free modules register at priority 10; xspeed-pro at priority |
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* 20; site code can hook in between to inject custom modules. |
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* Fires exactly once per request. |
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*/ |
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do_action( 'xspeed_register_modules' ); |
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} |
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|
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/** |
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* Register the Free Modules shipped in this plugin. Add new module |
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* registrations here. Pro plugin hooks the same action separately. |
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*/ |
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public function register_free_modules(): void { |
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Module_Registry::register( new \XSpeed\Modules\Cache\CacheModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Health\HealthModule() ); |
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// Settings — owns no settings itself; it's the CLI/MCP surface over |
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// Settings_Manager. Registering it is what makes `xspeed settings` |
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// exist, which is what keeps the curated get_settings/update_settings |
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// tools in the MCP catalog. (#149/#153) |
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Module_Registry::register( new \XSpeed\Modules\Settings\SettingsModule() ); |
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// External performance scores (PSI / GTmetrix) — Free, off by |
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// default. Rendered inside the Health host page's PageSpeed tab, so |
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// it has no sidebar row of its own. |
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Module_Registry::register( new \XSpeed\Modules\Score\ScoreModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Preloader\PreloaderModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Heartbeat\HeartbeatModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Minify\MinifyModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Gzip\GzipModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Lazy\LazyModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Bloat\BloatModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Database\DatabaseModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Cdn\CdnModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Cloudflare\CloudflareModule() ); |
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Module_Registry::register( new \XSpeed\Modules\ObjectCache\ObjectCacheModule() ); |
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Module_Registry::register( new \XSpeed\Modules\BrowserCache\BrowserCacheModule() ); |
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// Advanced Cache — a Free container row that gathers the Pro |
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// cache-coverage features (404 / search / feed / REST / rules / |
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// maintenance) into one sidebar sub-item (FBS-83633). |
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Module_Registry::register( new \XSpeed\Modules\CacheCoverage\CacheCoverageModule() ); |
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Module_Registry::register( new \XSpeed\Modules\Fonts\FontsModule() ); |
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Module_Registry::register( new \XSpeed\Modules\ResourceHints\ResourceHintsModule() ); |
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// AI Privacy (GDPR off-switch) ships in Free even though every AI |
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// *feature* is Pro — privacy is a right, not a paid tier. FEATURES.md |
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// §AI row 6 mandates it. Without this registration the module was dead |
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// code: no REST/settings surface, the promised off-switch unreachable |
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// (FBS-83633 Bug 1). It carries its own cli_commands() so it satisfies |
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// the CLI/MCP coverage guard once registered. |
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Module_Registry::register( new \XSpeed\Modules\AIPrivacy\AIPrivacyModule() ); |
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// Migration moved Pro → Free: it's an acquisition/onboarding feature |
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// (detect a competing caching plugin, import its settings, switch over), |
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// so it must work without a Pro license. Agency-scale extras (profiles, |
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// bulk multisite, host presets) remain Pro. |
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Module_Registry::register( new \XSpeed\Modules\Migration\MigrationModule() ); |
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// Help & Support moved Pro → Free: a ticket link + read-only system |
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// snapshot is onboarding/diagnostics, not a paid value-add, so every |
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// user gets it. The snapshot degrades gracefully without Pro (Pro |
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// version/license fields fall back to defaults via defined()/get_option). |
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Module_Registry::register( new \XSpeed\Modules\Support\SupportModule() ); |
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// MCP remote control (AI assistants) — Free. The plugin serves the |
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// MCP protocol at the site's own /xspeed/mcp URL; the only gate is |
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// the per-site connection token an admin mints via Connect. No |
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// license, no hosted infra. See IMPLEMENTATION.md §17. |
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Module_Registry::register( new \XSpeed\Modules\Mcp\McpModule() ); |
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} |
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|
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/** |
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* Boot the opt-in usage tracker. Registers the cron sender only; the send |
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* itself is consent-gated inside Usage_Tracker. The instance is held so the |
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* onboarding REST handler can flip consent via usage_tracker()->opt_in(). |
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*/ |
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public function start_plugin_tracking(): void { |
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$this->usage_tracker = Usage_Tracker::get_instance( |
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XSPEED_FILE, |
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array( |
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'opt_in' => true, |
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'item_id' => defined( 'XSPEED_INSIGHTS_ITEM_ID' ) ? XSPEED_INSIGHTS_ITEM_ID : false, |
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) |
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); |
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$this->usage_tracker->init(); |
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} |
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|
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/** |
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* The shared Usage_Tracker singleton (or null if tracking wasn't booted, |
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* e.g. on the activation hook before init() runs). |
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*/ |
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public function usage_tracker(): ?Usage_Tracker { |
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return $this->usage_tracker; |
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} |
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|
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public static function activate() { |
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// Nothing below can see a module the registry does not hold — the |
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// conflict-safe profile Settings::set_defaults() may pick is composed |
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// from it, and activate_all() walks it. See ensure_modules_registered() |
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// for why the registry is empty on this request without this call. |
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self::instance()->ensure_modules_registered(); |
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|
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$profile = Settings::set_defaults(); |
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|
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// Score history table. Also called on admin_init (see init()) because |
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// activation does not fire for a site added to a multisite network |
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// later, nor after an update that ships a new schema version. |
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Score_Store::maybe_install(); |
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|
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if ( ! file_exists( XSPEED_CACHE_DIR ) ) { |
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wp_mkdir_p( XSPEED_CACHE_DIR ); |
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} |
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Cache::write_silence( XSPEED_CACHE_DIR ); |
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|
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/* |
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* One exception to "caching is only ever enabled from the admin UI": |
| 342 |
* a fresh install another plugin performed on the user's behalf. |
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* |
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* That plugin asked the user for site performance and installed us to |
| 345 |
* provide it; making them go and find a second switch afterwards is |
| 346 |
* a step nobody wants. It is also what the copy-vendored Setup::finish() |
| 347 |
* did, so hosts migrating off it keep the behaviour they have. |
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* |
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* PROFILE_HOST_PAGE_CACHE is the whole condition, and it means three |
| 350 |
* things at once: the install was genuinely fresh, nothing else owns |
| 351 |
* the page cache, and another plugin claimed the install. Every other |
| 352 |
* fresh install — including a user's own on a clear site — waits for |
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* the wizard. Every OTHER feature is off in this profile; the cache is |
| 354 |
* the one thing a host may assume, because it is what it installed us |
| 355 |
* for. And toggle() runs its own ownership transaction, so a |
| 356 |
* competitor appearing between the two checks loses the race rather |
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* than being overwritten. |
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*/ |
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if ( Settings::PROFILE_HOST_PAGE_CACHE === $profile ) { |
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$state = Cache::toggle( true ); |
| 361 |
if ( ! empty( $state['blocked'] ) ) { |
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/* |
| 363 |
* Refused after all — a competitor that appeared between the |
| 364 |
* profile decision and the write, or a drop-in we could not |
| 365 |
* install. The settings are identical either way (everything |
| 366 |
* off), so the honest record is the one that does not claim a |
| 367 |
* cache: conflict-safe is what the site actually got. |
| 368 |
*/ |
| 369 |
$profile = Settings::PROFILE_CONFLICT_SAFE; |
| 370 |
update_option( 'xspeed_install_profile', $profile, false ); |
| 371 |
} |
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} |
| 373 |
|
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/* |
| 375 |
* Read the claim BEFORE spending it. consume_installed_by() records |
| 376 |
* the installer only for a FRESH install — on a re-activation over |
| 377 |
* settings that are already there it deletes the arming option and |
| 378 |
* keeps nothing — so asking again afterwards answered "the user did |
| 379 |
* it" about an install a host had just claimed, and the wizard opened |
| 380 |
* over the host's own flow. The claim decides who to tell and whether |
| 381 |
* to open the wizard; whether it is worth RECORDING is a separate |
| 382 |
* question, and only the recording depends on the install being fresh. |
| 383 |
*/ |
| 384 |
$installed_by = Settings::installed_by(); |
| 385 |
|
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// Spend the arming option now the profile is settled. It changes what |
| 387 |
// activation does, so it may not survive into the next one. |
| 388 |
Settings::consume_installed_by( $profile ); |
| 389 |
|
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// Caching is otherwise only ENABLED from the admin UI — see |
| 391 |
// Cache::toggle() and Rest_Api::toggle_cache(). A fresh install |
| 392 |
// therefore gets no drop-in and no wp-config.php edit here: |
| 393 |
// cache_enabled is unset, so the call below is a no-op. |
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// |
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// It is NOT a no-op during an upgrade. WordPress runs an update as |
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// deactivate → wipe files → install → activate, which deletes |
| 397 |
// advanced-cache.php while cache_enabled stays true. Restoring it |
| 398 |
// here closes the window in which the site silently serves uncached |
| 399 |
// (auto_heal() alone only fires on the next wp-admin page load). |
| 400 |
Cache::restore_dropin_if_enabled(); |
| 401 |
|
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/* |
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* First-run wizard: flag a one-time redirect for the activating user. |
| 404 |
* Suppressed for bulk activations / already-completed sites in |
| 405 |
* Onboarding::maybe_redirect() — and here for an install another plugin |
| 406 |
* performed, which has an onboarding flow of its own. The install runs |
| 407 |
* over AJAX, so our redirect would fire on that admin's NEXT page load |
| 408 |
* and pull them out of the middle of the host's wizard; finishing ours |
| 409 |
* would then overwrite the deliberately all-off profile they never |
| 410 |
* asked to change. |
| 411 |
*/ |
| 412 |
if ( '' === $installed_by ) { |
| 413 |
Onboarding::flag_redirect(); |
| 414 |
} |
| 415 |
|
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// Propagate activation to every registered Module — registered by |
| 417 |
// ensure_modules_registered() at the top, not by plugins_loaded, |
| 418 |
// which fired before this file was even included. |
| 419 |
Module_Registry::activate_all(); |
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|
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/** |
| 422 |
* Fires at the end of activation, once the settings profile is decided. |
| 423 |
* |
| 424 |
* The other half of the host-plugin contract: a plugin that installed |
| 425 |
* xSpeed for the user writes `xspeed_installed_by` before activating |
| 426 |
* and listens here to find out how it came up. It carries no return |
| 427 |
* value and nothing branches on it — a host that ignores it changes |
| 428 |
* nothing about the install. |
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* |
| 430 |
* @param string $installed_by Host slug, or '' when the user did it. |
| 431 |
* @param string $profile Settings::PROFILE_* — which profile a fresh |
| 432 |
* install came up with, '' if not fresh. |
| 433 |
*/ |
| 434 |
do_action( 'xspeed_activated', $installed_by, $profile ); |
| 435 |
} |
| 436 |
|
| 437 |
/** |
| 438 |
* Restore the cache drop-in right after THIS plugin is updated. |
| 439 |
* |
| 440 |
* Bound to upgrader_process_complete. Bulk updates, auto-updates and |
| 441 |
* host-level updaters finish without re-running activate(), so this is |
| 442 |
* the only hook that repairs the drop-in before the next wp-admin page |
| 443 |
* load. Narrow by design: bails unless the completed action was a |
| 444 |
* plugin update whose payload actually includes xspeed. |
| 445 |
* |
| 446 |
* @param \WP_Upgrader $upgrader Upgrader instance (unused). |
| 447 |
* @param array $hook_extra Contextual data about the update. |
| 448 |
* @return void |
| 449 |
*/ |
| 450 |
public function maybe_restore_after_update( $upgrader, $hook_extra ) { |
| 451 |
unset( $upgrader ); |
| 452 |
|
| 453 |
if ( ! is_array( $hook_extra ) ) { |
| 454 |
return; |
| 455 |
} |
| 456 |
if ( ! isset( $hook_extra['type'], $hook_extra['action'] ) ) { |
| 457 |
return; |
| 458 |
} |
| 459 |
if ( 'plugin' !== $hook_extra['type'] || 'update' !== $hook_extra['action'] ) { |
| 460 |
return; |
| 461 |
} |
| 462 |
|
| 463 |
// Single update uses 'plugin'; bulk uses 'plugins'. |
| 464 |
$updated = array(); |
| 465 |
if ( isset( $hook_extra['plugins'] ) && is_array( $hook_extra['plugins'] ) ) { |
| 466 |
$updated = $hook_extra['plugins']; |
| 467 |
} elseif ( isset( $hook_extra['plugin'] ) && is_string( $hook_extra['plugin'] ) ) { |
| 468 |
$updated = array( $hook_extra['plugin'] ); |
| 469 |
} |
| 470 |
|
| 471 |
$ours = plugin_basename( XSPEED_FILE ); |
| 472 |
if ( ! in_array( $ours, $updated, true ) ) { |
| 473 |
return; |
| 474 |
} |
| 475 |
|
| 476 |
Cache::restore_dropin_if_enabled(); |
| 477 |
} |
| 478 |
|
| 479 |
public static function deactivate() { |
| 480 |
// Drop-in + WP_CACHE constant are NOT touched here. WordPress |
| 481 |
// upgrades run as deactivate → wipe files → install → activate, |
| 482 |
// so removing those artifacts on every deactivate would silently |
| 483 |
// disable caching after each plugin update. uninstall.php |
| 484 |
// handles full teardown when the user actually removes the |
| 485 |
// plugin; auto_heal() restores state on the next admin_init if |
| 486 |
// the drop-in or WP_CACHE went missing for any other reason. |
| 487 |
Cache::purge_all(); |
| 488 |
Minifier::purge_minified(); |
| 489 |
Gzip::apply( false ); |
| 490 |
|
| 491 |
Module_Registry::deactivate_all(); |
| 492 |
} |
| 493 |
} |
| 494 |
|
