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<?php |
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/** |
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* Browser cache headers module — writes Cache-Control + Expires |
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* directives to .htaccess (Apache/LiteSpeed) or surfaces an nginx |
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* snippet for manual paste on other servers. |
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* |
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* Tier: Free per FEATURES.md (LiteSpeed parity — Browser Cache |
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* settings are all in LS free). |
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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\BrowserCache; |
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|
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use XSpeed\Browser_Cache; |
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use XSpeed\Module; |
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use XSpeed\Server; |
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|
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final class BrowserCacheModule extends Module { |
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|
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public const SLUG = 'browser-cache'; |
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public const TIER = self::TIER_FREE; |
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public const VERSION = '1.0.0'; |
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|
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public function ui_metadata(): array { |
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return array( |
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'label' => 'Browser Cache', |
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'icon' => 'Clock', |
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'description' => 'Tell browsers (and intermediate CDNs) how long to cache static assets and HTML.', |
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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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'enabled' => array( |
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'type' => 'bool', |
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'default' => false, |
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'label' => 'Enable browser cache headers', |
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'description' => 'On Apache/LiteSpeed this writes Cache-Control + Expires rules into .htaccess. On nginx it just stores the settings — you paste the snippet into your server block manually.', |
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), |
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'asset_ttl' => array( |
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'type' => 'int', |
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'default' => Browser_Cache::DEFAULT_ASSET_TTL, |
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'min' => 0, |
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'max' => 31536000, |
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'label' => 'Static asset TTL (seconds)', |
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'description' => 'Cache lifetime for CSS, JS, fonts, images. Defaults to 1 year + immutable (the industry-standard "fingerprinted assets never change" pattern).', |
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), |
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'html_ttl' => array( |
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'type' => 'int', |
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'default' => Browser_Cache::DEFAULT_HTML_TTL, |
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'min' => 0, |
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'max' => 31536000, |
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'label' => 'HTML TTL (seconds)', |
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'description' => 'Cache lifetime for the HTML document itself. Keep short (default 1h) so post edits roll out same-day.', |
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), |
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); |
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} |
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|
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public function boot(): void { |
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add_action( 'update_option_xspeed_module_browser-cache', array( $this, 'on_settings_change' ), 10, 2 ); |
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add_action( 'add_option_xspeed_module_browser-cache', array( $this, 'on_settings_added' ), 10, 2 ); |
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} |
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|
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public function on_settings_change( $old, $new ): void { |
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if ( ! is_array( $new ) ) { |
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return; |
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} |
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Browser_Cache::apply( ! empty( $new['enabled'] ), $new ); |
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} |
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|
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public function on_settings_added( $name, $value ): void { |
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if ( ! is_array( $value ) ) { |
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return; |
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} |
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Browser_Cache::apply( ! empty( $value['enabled'] ), $value ); |
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} |
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|
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public function ui_notices(): array { |
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if ( class_exists( '\\XSpeed\\Server' ) && ! Server::supports_htaccess() ) { |
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return array( |
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array( |
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'tone' => 'info', |
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'title' => 'Manual nginx config required', |
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'body' => "Your server doesn't support .htaccess. After saving, copy the nginx snippet below into your server block.\n\n" . Browser_Cache::nginx_snippet( $this->get_settings() ), |
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), |
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); |
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} |
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return array(); |
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} |
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|
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public function deactivate(): void { |
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Browser_Cache::apply( false ); |
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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 browser-cache', |
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'callback' => array( $this, 'cli_handler' ), |
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'shortdesc' => 'Print the Apache or nginx browser-cache snippet.', |
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'synopsis' => array( |
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array( |
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'type' => 'positional', |
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'name' => 'flavor', |
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'options' => array( 'apache', 'nginx' ), |
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'optional' => true, |
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), |
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), |
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), |
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); |
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} |
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|
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public function cli_handler( array $args, array $assoc ): void { |
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$flavor = $args[0] ?? 'apache'; |
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$opts = $this->get_settings(); |
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if ( 'nginx' === $flavor ) { |
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\WP_CLI::log( Browser_Cache::nginx_snippet( $opts ) ); |
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return; |
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} |
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foreach ( Browser_Cache::apache_rules( $opts ) as $line ) { |
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\WP_CLI::log( $line ); |
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} |
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} |
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} |
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|
