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<?php |
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/** |
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* GZIP module. |
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* |
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* Owns the gzip_enabled setting. On flip → writes / removes Apache / |
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* LiteSpeed `.htaccess` rules via the static XSpeed\Gzip helper. On |
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* nginx (or any server xSpeed can't auto-configure), the panel shows |
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* the manual snippet via ui_notices(). |
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* |
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* Tier: Free. See SETTINGS.md for the contract this module satisfies. |
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* |
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* @package XSpeed |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace XSpeed\Modules\Gzip; |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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use XSpeed\Gzip as LegacyGzip; |
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use XSpeed\Module; |
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use XSpeed\Server; |
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use XSpeed\Settings_Manager; |
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|
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final class GzipModule extends Module { |
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|
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public const SLUG = 'gzip'; |
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public const TIER = self::TIER_FREE; |
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public const VERSION = '1.1.0'; |
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|
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public function ui_metadata(): array { |
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return array( |
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'label' => 'Compression', |
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'tab_label' => 'GZIP', // its own tab on the Compression page |
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'icon' => 'Layers', |
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'description' => 'Compress responses to reduce transfer size.', |
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// Host panel merges GZIP (this module) + Brotli (Pro) into one |
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// page — they are one decision with a fallback chain, not two |
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// sidebar rows (FBS-83633). The panel renders this module's own |
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// schema form plus a Brotli Pro section. |
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'custom_panel' => 'CompressionPanel', |
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); |
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} |
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|
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public function settings_schema(): array { |
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return array( |
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'gzip_enabled' => array( |
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'type' => 'bool', |
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'default' => false, |
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'label' => 'Enable GZIP Compression', |
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'description' => 'On Apache / LiteSpeed we write the .htaccess rules automatically. On nginx the snippet below must be added to your server config.', |
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), |
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); |
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} |
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|
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/** |
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* 1.1.0: drain gzip_enabled from the legacy xspeed_options blob into |
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* this module's option. Idempotent — a re-run with the legacy key |
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* already gone is a no-op. |
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*/ |
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public function migrations(): array { |
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return array( |
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'1.1.0' => static function ( array $opts ): array { |
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$legacy = get_option( 'xspeed_options', array() ); |
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if ( ! is_array( $legacy ) || ! array_key_exists( 'gzip_enabled', $legacy ) ) { |
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return $opts; |
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} |
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$opts['gzip_enabled'] = (bool) $legacy['gzip_enabled']; |
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unset( $legacy['gzip_enabled'] ); |
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update_option( 'xspeed_options', $legacy ); |
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return $opts; |
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}, |
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); |
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} |
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|
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public function cli_commands(): array { |
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return array( |
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array( |
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'name' => 'xspeed gzip', |
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'callback' => array( $this, 'cli_handler' ), |
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'shortdesc' => 'Show GZIP status (server type, active, mode).', |
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'synopsis' => array(), |
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), |
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); |
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} |
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|
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/** |
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* Conditional notice published to the module's panel via |
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* Module::ui_notices(). When gzip is enabled and the server can't |
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* auto-configure (nginx / unknown / IIS), we surface a copy-able |
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* snippet so the user can wire it up. |
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*/ |
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public function ui_notices(): array { |
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$opts = Settings_Manager::get( self::SLUG ); |
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if ( empty( $opts['gzip_enabled'] ) ) { |
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return array(); |
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} |
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// Probe the live response — works regardless of server type |
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// (Apache, nginx, anything). If gzip is actually being served, |
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// nothing else matters: hide the notice. Mirror's BrowserCache's |
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// probe_headers_present() pattern. |
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if ( LegacyGzip::probe_active() ) { |
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return array(); |
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} |
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// Probe says NOT active and gzip is enabled — surface the right |
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// notice per server topology. |
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if ( 'auto' === Server::gzip_mode() ) { |
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// Apache/LiteSpeed but probe failed — .htaccess write must |
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// have been blocked, or another plugin is overriding. Tell |
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// the user something is wrong, no snippet (we can't fix it |
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// without their server access). |
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return array( |
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array( |
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'tone' => 'warn', |
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'title' => __( 'GZIP enabled but not active on the server', 'xspeed' ), |
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'body' => __( 'xSpeed wrote the .htaccess rules but the response still isn\'t gzipped. Your server may have AllowOverride disabled, another caching plugin overriding, or mod_deflate missing. Ask your host to enable GZIP on Apache.', 'xspeed' ), |
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), |
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); |
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} |
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// Manual server (nginx, IIS, unknown) — probe failed because |
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// the user hasn't pasted the snippet (or hasn't reloaded nginx). |
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$type = Server::type(); |
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if ( 'nginx' === $type ) { |
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return array( |
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array( |
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'tone' => 'warn', |
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'title' => __( 'GZIP requires server config on nginx', 'xspeed' ), |
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'body' => __( 'xSpeed can only auto-configure GZIP on Apache and LiteSpeed (via .htaccess). The directives are included in the unified server-block snippet on the Cache panel — copy + paste it once into your nginx vhost (or container nginx config) and reload nginx.', 'xspeed' ), |
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), |
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); |
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} |
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// IIS / unknown server fallback — keep the legacy "paste this" |
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// notice until a non-nginx unified-snippet surface ships. |
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return array( |
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array( |
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'tone' => 'warn', |
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'title' => __( 'GZIP requires server config on this server', 'xspeed' ), |
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'body' => __( 'xSpeed can only auto-configure GZIP on Apache and LiteSpeed (via .htaccess). Paste the snippet below into your server config and reload.', 'xspeed' ), |
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'snippet' => LegacyGzip::nginx_snippet(), |
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), |
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); |
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} |
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|
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/** |
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* Module booting: seed per-module option from legacy if needed, |
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* then register the change hook that flips Apache / LiteSpeed |
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* .htaccess rules whenever gzip_enabled is toggled. This handler |
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* fires on writes to xspeed_module_gzip (not the legacy blob). |
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*/ |
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public function boot(): void { |
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$this->seed_from_legacy_if_needed(); |
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add_action( 'update_option_xspeed_module_gzip', array( __CLASS__, 'on_settings_change' ), 10, 2 ); |
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add_action( 'add_option_xspeed_module_gzip', array( __CLASS__, 'on_settings_added' ), 10, 2 ); |
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} |
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|
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/** |
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* Detect the gzip_enabled flip on write and apply / remove the |
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* .htaccess rules. Idempotent — re-running with the same state is a |
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* no-op inside LegacyGzip::apply(). |
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*/ |
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public static function on_settings_change( $old, $new ): void { |
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$old_gzip = is_array( $old ) ? ! empty( $old['gzip_enabled'] ) : false; |
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$new_gzip = is_array( $new ) ? ! empty( $new['gzip_enabled'] ) : false; |
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if ( $old_gzip !== $new_gzip ) { |
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LegacyGzip::apply( $new_gzip ); |
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// Settings just changed — current "probe says active" answer |
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// is stale. Drop the transient so the next dashboard load |
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// re-checks the live response. |
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delete_transient( 'xspeed_gzip_active' ); |
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} |
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} |
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|
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/** |
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* The very first write (option doesn't exist yet) hits add_option |
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* instead of update_option. Treat it as old=false → new=current. |
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*/ |
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public static function on_settings_added( $name, $value ): void { |
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$enabled = is_array( $value ) ? ! empty( $value['gzip_enabled'] ) : false; |
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if ( $enabled ) { |
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LegacyGzip::apply( true ); |
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} |
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} |
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|
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public function activate(): void { |
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$this->seed_from_legacy_if_needed(); |
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} |
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|
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private function seed_from_legacy_if_needed(): void { |
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if ( null !== get_option( 'xspeed_module_gzip', null ) ) { |
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return; |
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} |
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$legacy = get_option( 'xspeed_options', array() ); |
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if ( ! is_array( $legacy ) || ! array_key_exists( 'gzip_enabled', $legacy ) ) { |
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return; |
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} |
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update_option( |
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'xspeed_module_gzip', |
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array( |
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'_version' => self::VERSION, |
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'gzip_enabled' => (bool) $legacy['gzip_enabled'], |
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) |
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); |
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unset( $legacy['gzip_enabled'] ); |
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update_option( 'xspeed_options', $legacy ); |
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} |
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|
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public function cli_handler( array $args, array $assoc ): void { |
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$opts = Settings_Manager::get( self::SLUG ); |
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\WP_CLI::log( 'enabled ' . ( $opts['gzip_enabled'] ? 'true' : 'false' ) ); |
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\WP_CLI::log( 'server ' . Server::type() ); |
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\WP_CLI::log( 'mode ' . Server::gzip_mode() ); |
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\WP_CLI::log( 'active ' . ( LegacyGzip::probe_active() ? 'true' : 'false' ) ); |
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\WP_CLI::log( 'nginx_snippet ' . LegacyGzip::nginx_snippet() ); |
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} |
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|
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/** |
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* GZIP directives for the unified nginx server-block snippet. Null |
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* when the module is disabled. |
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*/ |
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public function nginx_directives(): ?string { |
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$opts = Settings_Manager::get( self::SLUG ); |
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if ( empty( $opts['gzip_enabled'] ) ) { |
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return null; |
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} |
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$snippet = LegacyGzip::nginx_snippet(); |
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return is_string( $snippet ) && '' !== $snippet ? $snippet : null; |
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} |
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} |
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|
