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<?php |
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/** |
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* Uninstall handler — deletes options, cache, and drop-in. |
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* |
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* @package XSpeed |
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*/ |
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|
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if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) { |
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exit; |
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} |
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|
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xspeed_uninstall_cleanup(); |
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|
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/** |
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* Run all uninstall cleanup. Wrapped in a function so locals don't pollute global scope. |
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*/ |
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function xspeed_uninstall_cleanup() { |
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delete_option( 'xspeed_options' ); |
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|
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/* |
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* Per-module rows, for the modules THIS plugin ships. The slugs are read |
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* out of the module files rather than kept as a list here, so a module |
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* added later cannot leave its row behind; and only Free's, because |
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* xspeed-pro keeps its own rows under the same prefix and a Free uninstall |
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* is not a decision about Pro's settings. |
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* |
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* These have to go. The conflict-safe profile writes an explicit `false` |
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* into every one of them when another plugin owns the page cache, and |
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* seeding on the next install only fills ABSENT keys — so a row that |
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* survived uninstall kept every switch off on a site that had since been |
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* cleared, with no way back but the dashboard (PR #295 review). |
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*/ |
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foreach ( glob( __DIR__ . '/includes/modules/*/*Module.php' ) ?: array() as $module_file ) { |
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$source = @file_get_contents( $module_file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- own plugin file, uninstall. |
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if ( is_string( $source ) && preg_match( "/const\s+SLUG\s*=\s*'([^']+)'/", $source, $m ) ) { |
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delete_option( 'xspeed_module_' . $m[1] ); |
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} |
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} |
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delete_option( 'xspeed_data_version' ); |
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delete_option( 'xspeed_activity_log' ); |
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delete_option( 'xspeed_server_type' ); |
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delete_option( 'xspeed_oc_dropin_synced' ); |
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delete_option( 'xspeed_last_mobile_separate' ); |
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delete_option( 'xspeed_redirect_to_onboarding' ); |
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delete_option( 'xspeed_onboarding_complete' ); |
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// Provenance a host plugin wrote before it activated us, and the profile |
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// that install came up with. |
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delete_option( 'xspeed_installed_by' ); |
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delete_option( 'xspeed_installer' ); |
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delete_option( 'xspeed_install_profile' ); |
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// Written by the copy-vendored Setup that host plugins used to carry |
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// before xSpeed seeded its own conflict-safe profile on activation. We no |
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// longer write it; an older host may have, and it is ours to clean up. |
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delete_option( 'xspeed_setup_snapshot' ); |
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delete_option( 'xspeed_stats' ); |
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delete_option( 'xspeed_gc_cursor' ); |
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wp_clear_scheduled_hook( 'xspeed_gc' ); |
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|
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// Score history — the plugin's own table, plus the legacy option the |
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// table was migrated from (kept on upgrade so a bad migration is |
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// recoverable; there is nothing to recover on uninstall). |
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global $wpdb; |
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// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- own table, uninstall. |
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$wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'xspeed_scores' ); |
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delete_option( 'xspeed_score_schema' ); |
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delete_option( 'xspeed_score_history' ); |
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|
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if ( ! function_exists( 'WP_Filesystem' ) ) { |
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require_once ABSPATH . 'wp-admin/includes/file.php'; |
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} |
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WP_Filesystem(); |
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global $wp_filesystem; |
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if ( ! $wp_filesystem ) { |
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return; |
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} |
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|
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$cache_dir = WP_CONTENT_DIR . '/cache/xspeed'; |
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if ( $wp_filesystem->is_dir( $cache_dir ) ) { |
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$wp_filesystem->delete( $cache_dir, true ); |
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} |
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|
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// nginx hit log (FBS-82478). It lives under uploads/xspeed/, NOT the |
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// cache dir, precisely so that a pasted nginx `access_log` directive |
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// pointing at it does NOT get its parent directory deleted here — if it |
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// did, `nginx -t` would fail [emerg] and refuse to (re)start, taking |
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// down EVERY vhost on the host until someone manually finds the orphaned |
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// directive. We therefore EMPTY the log file but DELIBERATELY LEAVE THE |
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// DIRECTORY in place, so any still-pasted directive keeps a valid, |
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// openable target after the plugin is gone. (A stray empty dir is |
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// harmless; a broken nginx is not.) Users are also warned in the admin |
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// UI to remove the snippet before uninstalling. |
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$hits_log = WP_CONTENT_DIR . '/uploads/xspeed/hits.log'; |
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if ( function_exists( 'wp_upload_dir' ) ) { |
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$uploads = wp_upload_dir( null, false ); |
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if ( is_array( $uploads ) && empty( $uploads['error'] ) && ! empty( $uploads['basedir'] ) ) { |
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$hits_log = rtrim( (string) $uploads['basedir'], '/' ) . '/xspeed/hits.log'; |
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} |
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} |
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if ( $wp_filesystem->exists( $hits_log ) ) { |
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// Truncate, don't delete the dir — keep the access_log target openable. |
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$wp_filesystem->put_contents( $hits_log, '', FS_CHMOD_FILE ); |
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} |
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|
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// Static-cache tree — separate from the flat-hash cache dir, holds |
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// the {host}/{path}/index.html files the .htaccess rewrite block |
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// serves directly. Same teardown rules as XSPEED_CACHE_DIR. |
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$static_dir = WP_CONTENT_DIR . '/cache/xspeed-static'; |
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if ( $wp_filesystem->is_dir( $static_dir ) ) { |
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$wp_filesystem->delete( $static_dir, true ); |
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} |
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|
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// Rewrite block in site-root .htaccess. WP's marker helpers handle |
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// the "remove only our block" semantics — passing an empty array |
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// strips the markers in place. |
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$htaccess = ABSPATH . '.htaccess'; |
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if ( $wp_filesystem->exists( $htaccess ) && $wp_filesystem->is_writable( $htaccess ) ) { |
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if ( ! function_exists( 'insert_with_markers' ) ) { |
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require_once ABSPATH . 'wp-admin/includes/misc.php'; |
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} |
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insert_with_markers( $htaccess, 'xSpeed Static Cache', array() ); |
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} |
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|
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// Serialize the shared drop-in/config teardown with Cache::toggle(). If |
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// the lock is unavailable, leave shared state and its receipt untouched. |
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// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fopen,WordPress.PHP.NoSilencedErrors.Discouraged -- flock requires a local handle; failure is fail-closed. |
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$ownership_lock = @fopen( WP_CONTENT_DIR . '/.xspeed-page-cache.lock', 'c+' ); |
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if ( ! is_resource( $ownership_lock ) || ! flock( $ownership_lock, LOCK_EX ) ) { |
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return; |
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} |
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|
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require_once __DIR__ . '/includes/wp-cache-constant.php'; |
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$drop_in = WP_CONTENT_DIR . '/advanced-cache.php'; |
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$dropin_ours = false; |
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if ( $wp_filesystem->exists( $drop_in ) ) { |
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$contents = $wp_filesystem->get_contents( $drop_in ); |
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$dropin_ours = is_string( $contents ) && xspeed_has_canonical_dropin_signature( $contents ); |
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if ( $dropin_ours ) { |
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$wp_filesystem->delete( $drop_in ); |
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} |
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} |
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|
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$wp_config = file_exists( ABSPATH . 'wp-config.php' ) ? ABSPATH . 'wp-config.php' : dirname( ABSPATH ) . '/wp-config.php'; |
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// `defined()` alone, not `&& WP_CACHE`: the old truthiness test skipped |
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// the removal whenever the constant was false/0 — exactly the orphan we |
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// are here to clean up — while still entering it for TRUE/1, where the |
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// hardcoded-lowercase regex then matched nothing and reported success. |
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// Strip whatever spelling is there. (#9) |
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// |
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// Gated on the drop-in being ours: if another caching plugin holds |
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// advanced-cache.php, WP_CACHE is the switch that loads THEIR file, and |
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// stripping it on our way out would silently disable their page cache. |
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if ( $wp_filesystem->is_writable( $wp_config ) ) { |
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$config = $wp_filesystem->get_contents( $wp_config ); |
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if ( is_string( $config ) ) { |
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// Same helper Cache::set_wp_cache_constant() uses — one pattern, |
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// one place. uninstall.php loads no plugin classes, hence a |
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// plain requirable function rather than a method. |
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require_once __DIR__ . '/includes/wp-cache-constant.php'; |
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$receipt = get_option( 'xspeed_page_cache_ownership_receipt', '' ); |
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$marked = xspeed_wp_cache_receipt_matches( $config, $receipt ); |
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/* |
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* A receipt proves WE wrote the line; it does not prove the line |
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* is still ours to remove. If a competitor has since taken over |
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* advanced-cache.php, WP_CACHE is what loads THEIR drop-in — they |
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* had no reason to touch an already-true define, so our receipt |
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* comment is still sitting beside it. Stripping on the receipt |
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* alone silently stopped their live page cache. |
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* |
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* A foreign drop-in therefore vetoes the removal outright, which |
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* is the same rule Cache::set_wp_cache_constant() applies in the |
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* running plugin; only this path was missing it. `$dropin_ours` |
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* covers the file we just deleted, `$marked` the case where there |
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* is no drop-in left at all. |
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*/ |
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$foreign_dropin = $wp_filesystem->exists( $drop_in ) && ! $dropin_ours; |
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if ( ! $foreign_dropin && ( $dropin_ours || $marked ) ) { |
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$config = xspeed_strip_wp_cache_define( $config ); |
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$wp_filesystem->put_contents( $wp_config, $config, FS_CHMOD_FILE ); |
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} |
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} |
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} |
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delete_option( 'xspeed_page_cache_ownership_receipt' ); |
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flock( $ownership_lock, LOCK_UN ); |
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fclose( $ownership_lock ); |
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// Our own lock file, left in wp-content after everything else of ours is |
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// gone. Deleted last, after the handle is closed, so we are not |
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// unlinking a lock we are still inside. That ordering is hygiene, not a |
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// guarantee: a request already past the fopen would hold a handle to an |
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// unlinked inode. Harmless here — by this point the plugin is being |
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// removed and nothing will take the lock again. |
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$wp_filesystem->delete( WP_CONTENT_DIR . '/.xspeed-page-cache.lock' ); |
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} |
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|
