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<?php
use WP_Rocket\Engine\Optimization\RUCSS\Database\Tables\Resources;
use WP_Rocket\Engine\Optimization\RUCSS\Database\Tables\UsedCSS;
/**
* Manages the deletion of WP Rocket data and files on uninstall.
*/
class WPRocketUninstall {
/**
* Path to the cache folder.
*
* @var string
*/
private $cache_path;
/**
* Path to the config folder.
*
* @var string
*/
private $config_path;
/**
* WP Rocket options.
*
* @var array
*/
private $options = [
'wp_rocket_settings',
'rocket_analytics_notice_displayed',
'rocketcdn_user_token',
'rocketcdn_process',
];
/**
* WP Rocket transients.
*
* @var array
*/
private $transients = [
'wp_rocket_customer_data',
'rocket_notice_missing_tags',
'rocket_clear_cache',
'rocket_check_key_errors',
'rocket_send_analytics_data',
'rocket_critical_css_generation_process_running',
'rocket_critical_css_generation_process_complete',
'rocket_critical_css_generation_triggered',
'rocketcdn_status',
'rocketcdn_pricing',
'rocketcdn_purge_cache_response',
'rocket_cloudflare_ips',
'rocket_cloudflare_is_api_keys_valid',
'rocket_preload_triggered',
'rocket_preload_complete',
'rocket_preload_complete_time',
'rocket_preload_errors',
'rocket_database_optimization_process',
'rocket_database_optimization_process_complete',
];
/**
* WP Rocket scheduled events.
*
* @var array
*/
private $events = [
'rocket_purge_time_event',
'rocket_database_optimization_time_event',
'rocket_cache_dir_size_check',
'rocketcdn_check_subscription_status_event',
'rocket_cron_deactivate_cloudflare_devmode',
];
/**
* WP Rocket cache directories.
*
* @var array
*/
private $cache_dirs = [
'wp-rocket',
'min',
'busting',
'critical-css',
'used-css',
];
/**
* Instance of RUCSS resources table.
*
* @var WP_Rocket\Engine\Optimization\RUCSS\Database\Tables\Resources
*/
private $rucss_resources_table;
/**
* Instance of RUCSS used_css table.
*
* @var WP_Rocket\Engine\Optimization\RUCSS\Database\Tables\UsedCSS
*/
private $rucss_usedcss_table;
/**
* Constructor.
*
* @param string $cache_path Path to the cache folder.
* @param string $config_path Path to the config folder.
* @param Resources $rucss_resources_table RUCSS resources table.
* @param UsedCSS $rucss_usedcss_table RUCSS used_css table.
*/
public function __construct( $cache_path, $config_path, $rucss_resources_table, $rucss_usedcss_table ) {
$this->cache_path = trailingslashit( $cache_path );
$this->config_path = $config_path;
$this->rucss_resources_table = $rucss_resources_table;
$this->rucss_usedcss_table = $rucss_usedcss_table;
}
/**
* Deletes all plugin data and files on uninstall.
*
* @since 3.5.2
* @author Remy Perona
*
* @return void
*/
public function uninstall() {
$this->delete_plugin_data();
$this->delete_cache_files();
$this->delete_config_files();
$this->drop_rucss_database_tables();
}
/**
* Drop RUCSS database tables.
*
* @return void
*/
private function drop_rucss_database_tables() {
// If the table exist, then drop the table.
$this->drop_rucss_current_site_tables();
if ( ! is_multisite() ) {
return;
}
foreach ( get_sites( [ 'fields' => 'ids' ] ) as $site_id ) {
switch_to_blog( $site_id );
$this->drop_rucss_current_site_tables();
restore_current_blog();
}
}
/**
* Drop RUCSS tables for current active site.
*/
private function drop_rucss_current_site_tables() {
if ( $this->rucss_resources_table->exists() ) {
$this->rucss_resources_table->uninstall();
}
if ( $this->rucss_usedcss_table->exists() ) {
$this->rucss_usedcss_table->uninstall();
}
}
/**
* Deletes WP Rocket options, transients and events.
*
* @since 3.5.2
* @author Remy Perona
*
* @return void
*/
private function delete_plugin_data() {
delete_site_transient( 'wp_rocket_update_data' );
// Delete all user meta related to WP Rocket.
delete_metadata( 'user', '', 'rocket_boxes', '', true );
array_walk( $this->transients, 'delete_transient' );
array_walk( $this->options, 'delete_option' );
foreach ( $this->events as $event ) {
wp_clear_scheduled_hook( $event );
}
}
/**
* Deletes all WP Rocket cache files.
*
* @since 3.5.2
* @author Remy Perona
*
* @return void
*/
private function delete_cache_files() {
foreach ( $this->cache_dirs as $dir ) {
$this->delete( $this->cache_path . $dir );
}
}
/**
* Deletes all WP Rocket config files.
*
* @since 3.5.2
* @author Remy Perona
*
* @return void
*/
private function delete_config_files() {
$this->delete( $this->config_path );
}
/**
* Recursively deletes files and directories.
*
* @since 3.5.2
* @author Remy Perona
*
* @param string $file Path to file or directory.
*/
private function delete( $file ) {
if ( ! is_dir( $file ) ) {
@unlink( $file ); //phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
return;
}
try {
$iterator = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator( $file, FilesystemIterator::SKIP_DOTS ),
RecursiveIteratorIterator::CHILD_FIRST
);
} catch ( UnexpectedValueException $e ) {
return;
}
foreach ( $iterator as $item ) {
if ( $item->isDir() ) {
@rmdir( $item ); //phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
continue;
}
@unlink( $item ); //phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
}
@rmdir( $file ); //phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
}
}
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