<?php

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/**

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* The plugin activation class.

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*

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* @since 1.1.0

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* @since 1.5 Moved into /inc

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* @package LiteSpeed

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* @subpackage LiteSpeed/inc

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* @author LiteSpeed Technologies <info@litespeedtech.com>

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*/

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namespace LiteSpeed;

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defined( 'WPINC' ) || exit();

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/**

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* Class Activation

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*

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* Handles plugin activation, deactivation, and related file management.

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*

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* @since 1.1.0

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*/

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class Activation extends Base {

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const TYPE_UPGRADE = 'upgrade';

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const TYPE_INSTALL_3RD = 'install_3rd';

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const TYPE_INSTALL_ZIP = 'install_zip';

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const TYPE_DISMISS_RECOMMENDED = 'dismiss_recommended';

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const NETWORK_TRANSIENT_COUNT = 'lscwp_network_count';

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/**

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* Data file path for configuration.

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*

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* @since 4.1

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* @var string

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*/

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private static $data_file;

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/**

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* Construct

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*

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* Initializes the data file path.

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*

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* @since 4.1

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*/

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public function __construct() {

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self::$data_file = LSCWP_CONTENT_DIR . '/' . self::CONF_FILE;

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}

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/**

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* The activation hook callback.

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*

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* Handles plugin activation tasks, including file creation and multisite setup.

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*

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* @since 1.0.0

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* @access public

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*/

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public static function register_activation() {

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$count = 0;

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! defined( 'LSCWP_LOG_TAG' ) && define( 'LSCWP_LOG_TAG', 'Activate_' . get_current_blog_id() );

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/* Network file handler */

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if ( is_multisite() ) {

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$count = self::get_network_count();

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if ( false !== $count ) {

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$count = (int) $count + 1;

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set_site_transient( self::NETWORK_TRANSIENT_COUNT, $count, DAY_IN_SECONDS );

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}

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if ( ! is_network_admin() ) {

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if ( 1 === $count ) {

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// Only itself is activated, set .htaccess with only CacheLookUp

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try {

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Htaccess::cls()->insert_ls_wrapper();

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} catch ( \Exception $ex ) {

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Admin_Display::error( $ex->getMessage() );

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}

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}

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}

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}

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self::cls()->update_files();

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if ( defined( 'LSCWP_REF' ) && 'whm' === LSCWP_REF ) {

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GUI::update_option( GUI::WHM_MSG, GUI::WHM_MSG_VAL );

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}

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}

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/**

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* Uninstall plugin

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*

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* Removes all LiteSpeed Cache settings and data.

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*

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* @since 1.1.0

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* @since 7.3 Updated to remove all settings.

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* @access public

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*/

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public static function uninstall_litespeed_cache() {

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Task::destroy();

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if ( is_multisite() ) {

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// Save main site id

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$current_blog = get_current_blog_id();

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// get all sites

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$sub_sites = get_sites();

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// clear foreach site

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foreach ( $sub_sites as $sub_site ) {

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$sub_blog_id = (int) $sub_site->blog_id;

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if ( $sub_blog_id !== $current_blog ) {

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// Switch to blog

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switch_to_blog( $sub_blog_id );

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// Delete site options

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self::delete_settings();

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// Delete site tables

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Data::cls()->tables_del();

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}

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}

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// Return to main site

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switch_to_blog( $current_blog );

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}

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// Delete current blog/site

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// Delete options

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self::delete_settings();

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// Delete site tables

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Data::cls()->tables_del();

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if ( file_exists( LITESPEED_STATIC_DIR ) ) {

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File::rrmdir( LITESPEED_STATIC_DIR );

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}

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Cloud::version_check( 'uninstall' );

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}

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/**

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* Remove all litespeed settings.

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*

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* Deletes all LiteSpeed Cache options from the database.

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*

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* @since 7.3

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* @access private

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*/

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private static function delete_settings() {

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global $wpdb;

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// phpcs:ignore WordPress.DB.DirectDatabaseQuery

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$wpdb->query($wpdb->prepare("DELETE FROM `$wpdb->options` WHERE option_name LIKE %s", 'litespeed.%'));

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}

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/**

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* Get the blog ids for the network. Accepts function arguments.

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*

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* @since 1.0.12

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* @access public

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* @param array $args Arguments for get_sites().

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* @return array The array of blog ids.

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*/

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public static function get_network_ids( $args = [] ) {

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$args['fields'] = 'ids';

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$blogs = get_sites( $args );

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return $blogs;

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}

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/**

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* Gets the count of active litespeed cache plugins on multisite.

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*

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* @since 1.0.12

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* @access private

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* @return int|false Number of active LSCWP or false if none.

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*/

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private static function get_network_count() {

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$count = get_site_transient( self::NETWORK_TRANSIENT_COUNT );

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if ( false !== $count ) {

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return (int) $count;

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}

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// need to update

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$default = [];

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$count = 0;

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$sites = self::get_network_ids( [ 'deleted' => 0 ] );

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if ( empty( $sites ) ) {

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return false;

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}

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foreach ( $sites as $site ) {

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$bid = is_object( $site ) && property_exists( $site, 'blog_id' ) ? $site->blog_id : $site;

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$plugins = get_blog_option( $bid, 'active_plugins', $default );

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if ( ! empty( $plugins ) && in_array( LSCWP_BASENAME, $plugins, true ) ) {

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++$count;

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}

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}

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/**

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* In case this is called outside the admin page

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*

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* @see https://codex.wordpress.org/Function_Reference/is_plugin_active_for_network

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* @since 2.0

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*/

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if ( ! function_exists( 'is_plugin_active_for_network' ) ) {

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require_once ABSPATH . '/wp-admin/includes/plugin.php';

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}

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if ( is_plugin_active_for_network( LSCWP_BASENAME ) ) {

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++$count;

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}

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return $count;

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}

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/**

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* Is this deactivate call the last active installation on the multisite network?

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*

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* @since 1.0.12

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* @access private

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*/

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private static function is_deactivate_last() {

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$count = self::get_network_count();

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if ( false === $count ) {

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return false;

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}

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if ( 1 !== $count ) {

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// Not deactivating the last one.

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--$count;

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set_site_transient( self::NETWORK_TRANSIENT_COUNT, $count, DAY_IN_SECONDS );

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return false;

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}

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delete_site_transient( self::NETWORK_TRANSIENT_COUNT );

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return true;

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}

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/**

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* The deactivation hook callback.

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*

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* Initializes all clean up functionalities.

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*

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* @since 1.0.0

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* @access public

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*/

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public static function register_deactivation() {

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Task::destroy();

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! defined( 'LSCWP_LOG_TAG' ) && define( 'LSCWP_LOG_TAG', 'Deactivate_' . get_current_blog_id() );

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Purge::purge_all();

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if ( is_multisite() ) {

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if ( ! self::is_deactivate_last() ) {

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if ( is_network_admin() ) {

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// Still other activated subsite left, set .htaccess with only CacheLookUp

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try {

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Htaccess::cls()->insert_ls_wrapper();

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} catch ( \Exception $ex ) {

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Admin_Display::error($ex->getMessage());

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}

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}

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return;

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}

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}

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/* 1) wp-config.php; */

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try {

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self::cls()->manage_wp_cache_const( false );

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} catch ( \Exception $ex ) {

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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.PHP.DevelopmentFunctions.error_log_error_log

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error_log( 'In wp-config.php: WP_CACHE could not be set to false during deactivation!' );

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Admin_Display::error( $ex->getMessage() );

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}

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/* 2) adv-cache.php; Dropped in v3.0.4 */

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/* 3) object-cache.php; */

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Object_Cache::cls()->del_file();

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/* 4) .htaccess; */

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try {

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Htaccess::cls()->clear_rules();

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} catch ( \Exception $ex ) {

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Admin_Display::error( $ex->getMessage() );

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}

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/* 5) .litespeed_conf.dat; */

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self::del_conf_data_file();

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/* 6) delete option lscwp_whm_install */

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// delete in case it's not deleted prior to deactivation.

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GUI::dismiss_whm();

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}

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/**

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* Manage related files based on plugin latest conf

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*

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* Handle files:

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* 1) wp-config.php;

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* 2) adv-cache.php;

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* 3) object-cache.php;

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* 4) .htaccess;

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* 5) .litespeed_conf.dat;

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*

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* @since 3.0

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* @access public

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*/

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public function update_files() {

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Debug2::debug( '🗂️ [Activation] update_files' );

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// Update cache setting `_CACHE`

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$this->cls( 'Conf' )->define_cache();

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// Site options applied already

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$options = $this->get_options();

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/* 1) wp-config.php; */

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try {

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$this->manage_wp_cache_const( $options[ self::_CACHE ] );

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} catch ( \Exception $ex ) {

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// Add msg to admin page or CLI

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Admin_Display::error( wp_kses_post( $ex->getMessage() ) );

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}

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/* 2) adv-cache.php; Dropped in v3.0.4 */

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/* 3) object-cache.php; */

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if ( $options[ self::O_OBJECT ] && ( ! $options[ self::O_DEBUG_DISABLE_ALL ] || is_multisite() ) ) {

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$this->cls( 'Object_Cache' )->update_file( $options );

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} else {

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$this->cls( 'Object_Cache' )->del_file(); // Note: because it doesn't reconnect, which caused setting page OC option changes delayed, thus may meet Connect Test Failed issue (Next refresh will correct it). Not a big deal, will keep as is.

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}

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/* 4) .htaccess; */

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try {

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$this->cls( 'Htaccess' )->update( $options );

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} catch ( \Exception $ex ) {

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Admin_Display::error( wp_kses_post( $ex->getMessage() ) );

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}

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/* 5) .litespeed_conf.dat; */

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if ( ( $options[ self::O_GUEST ] || $options[ self::O_OBJECT ] ) && ( ! $options[ self::O_DEBUG_DISABLE_ALL ] || is_multisite() ) ) {

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$this->update_conf_data_file( $options );

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}

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}

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/**

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* Delete data conf file

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*

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* Removes the .litespeed_conf.dat file.

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*

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* @since 4.1

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* @access private

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*/

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private static function del_conf_data_file() {

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global $wp_filesystem;

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if ( ! $wp_filesystem ) {

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require_once ABSPATH . 'wp-admin/includes/file.php';

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WP_Filesystem();

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}

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if ( $wp_filesystem->exists( self::$data_file ) ) {

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$wp_filesystem->delete( self::$data_file );

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}

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}

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/**

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* Update data conf file for guest mode & object cache

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*

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* Updates the .litespeed_conf.dat file with relevant settings.

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*

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* @since 4.1

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* @access private

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* @param array $options Plugin options.

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*/

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private function update_conf_data_file( $options ) {

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$ids = [];

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if ( $options[ self::O_OBJECT ] ) {

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$this_ids = [

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self::O_DEBUG,

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self::O_OBJECT_KIND,

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self::O_OBJECT_HOST,

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self::O_OBJECT_PORT,

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self::O_OBJECT_LIFE,

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self::O_OBJECT_USER,

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self::O_OBJECT_PSWD,

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self::O_OBJECT_DB_ID,

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self::O_OBJECT_PERSISTENT,

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self::O_OBJECT_ADMIN,

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self::O_OBJECT_TRANSIENTS,

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self::O_OBJECT_GLOBAL_GROUPS,

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self::O_OBJECT_NON_PERSISTENT_GROUPS,

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];

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$ids = array_merge( $ids, $this_ids );

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}

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if ( $options[ self::O_GUEST ] ) {

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$this_ids = [

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self::HASH,

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self::O_CACHE_LOGIN_COOKIE,

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self::O_DEBUG_IPS,

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self::O_UTIL_NO_HTTPS_VARY,

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];

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$ids = array_merge( $ids, $this_ids );

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}

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$data = [];

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foreach ( $ids as $v ) {

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$data[ $v ] = $options[ $v ];

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}

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$data = wp_json_encode( $data );

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$old_data = File::read( self::$data_file );

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if ( $old_data !== $data ) {

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defined( 'LSCWP_LOG' ) && Debug2::debug( '[Activation] Updating .litespeed_conf.dat' );

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File::save( self::$data_file, $data );

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}

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}

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/**

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* Update the WP_CACHE variable in the wp-config.php file.

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*

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* If enabling, check if the variable is defined, and if not, define it.

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* Vice versa for disabling.

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*

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* @since 1.0.0

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* @since 3.0 Refactored

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* @param bool $enable Whether to enable WP_CACHE.

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* @throws \Exception If wp-config.php cannot be modified.

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* @return bool True if updated, false if no change needed.

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*/

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public function manage_wp_cache_const( $enable ) {

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if ( $enable ) {

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if ( defined( 'WP_CACHE' ) && WP_CACHE ) {

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return false;

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}

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} elseif ( ! defined( 'WP_CACHE' ) || ( defined( 'WP_CACHE' ) && ! WP_CACHE ) ) {

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return false;

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}

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if ( apply_filters( 'litespeed_wpconfig_readonly', false ) ) {

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throw new \Exception( 'wp-config file is forbidden to modify due to API hook: litespeed_wpconfig_readonly' );

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}

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/**

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* Follow WP's logic to locate wp-config file

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*

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* @see wp-load.php

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*/

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$conf_file = ABSPATH . 'wp-config.php';

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if ( ! file_exists( $conf_file ) ) {

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$conf_file = dirname( ABSPATH ) . '/wp-config.php';

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}

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$content = File::read( $conf_file );

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if ( ! $content ) {

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throw new \Exception( 'wp-config file content is empty: ' . wp_kses_post( $conf_file ) );

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}

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// Remove the line `define('WP_CACHE', true/false);` first

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if ( defined( 'WP_CACHE' ) ) {

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$content = preg_replace( '/define\(\s*([\'"])WP_CACHE\1\s*,\s*\w+\s*\)\s*;/sU', '', $content );

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}

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// Insert const

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if ( $enable ) {

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$content = preg_replace( '/^<\?php/', "<?php\ndefine( 'WP_CACHE', true );", $content );

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}

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$res = File::save( $conf_file, $content, false, false, false );

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if ( true !== $res ) {

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throw new \Exception( 'wp-config.php operation failed when changing `WP_CACHE` const: ' . wp_kses_post( $res ) );

[484] Fix | Delete

}

[485] Fix | Delete

[486] Fix | Delete

return true;

[487] Fix | Delete

}

[488] Fix | Delete

[489] Fix | Delete

/**

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* Handle auto update

[491] Fix | Delete

*

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* Enables auto-updates for the plugin if configured.

[493] Fix | Delete

*

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* @since 2.7.2

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* @access public

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*/

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public function auto_update() {

[498] Fix | Delete

if ( ! $this->conf( Base::O_AUTO_UPGRADE ) ) {

[499] Fix | Delete