<?php /** * Plugin Name: Redis User Session Storage * Plugin URI: https://ethitter.com/plugins/redis-user-session-storage/ * Description: Store WordPress session tokens in Redis rather than the usermeta table. Requires the Redis PECL extension. * Version: 0.2 * Author: Erick Hitter * Author URI: https://ethitter.com/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * @package Redis_User_Session_Storage */ namespace Redis_User_Session_Storage; use Redis; use WP_Redis_User_Session_Storage; use WP_Session_Tokens; /** * Load plugin when safe to do so, accounting for previous plugin name. * * WordPress.org no longer accepts plugins beginning with the `WP` prefix, so * this was renamed to comply. * * @return void */ function load() { if ( ! class_exists( Redis::class, false ) || ! class_exists( WP_Session_Tokens::class, false ) ) { return; } require_once __DIR__ . '/inc/class-plugin.php'; add_filter( 'session_token_manager', __NAMESPACE__ . '\set_session_token_manager' ); } load(); /** * Override Core's default usermeta-based token storage. * * @param string $manager Name of session-manager class. * @return string */ function set_session_token_manager( $manager ) { if ( class_exists( WP_Redis_User_Session_Storage::class, false ) ) { add_action( 'admin_notices', __NAMESPACE__ . '\admin_notice' ); return $manager; } return Plugin::class; } /** * Show admin notice to certain users when older version is active. * * @return void */ function admin_notice() { if ( ! current_user_can( 'activate_plugins' ) ) { return; } ?> <div id="message" class="error"> <p> <?php printf( /* translators: 1: New plugin name, 2: Old plugin name */ esc_html__( '%1$s: An outdated version of this plugin, %2$s, is active. Please deactivate it to use the current version.', 'redis-user-session-storage' ), '<strong>Redis User Session Storage</strong>', '<em>WP Redis User Session Storage</em>' ); ?> </p> </div> <?php }