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<?php
declare(strict_types=1);
namespace WP_Rocket\Engine\Optimization\RUCSS\Admin;
use WP_Rocket\Engine\Common\JobManager\Queue\Queue;
use WP_Rocket\Engine\Common\Queue\RUCSSQueueRunner;
use WP_Rocket\Engine\Optimization\RUCSS\Controller\UsedCSS;
use WP_Rocket\Event_Management\Subscriber_Interface;
class Subscriber implements Subscriber_Interface {
/**
* Settings instance
*
* @var Settings
*/
private $settings;
/**
* Database instance
*
* @var Database
*/
private $database;
/**
* UsedCSS instance
*
* @var UsedCSS
*/
private $used_css;
/**
* Queue instance
*
* @var Queue
*/
private $queue;
/**
* Instantiate the class
*
* @param Settings $settings Settings instance.
* @param Database $database Database instance.
* @param UsedCSS $used_css UsedCSS instance.
* @param Queue $queue Queue instance.
*/
public function __construct( Settings $settings, Database $database, UsedCSS $used_css, Queue $queue ) {
$this->settings = $settings;
$this->database = $database;
$this->used_css = $used_css;
$this->queue = $queue;
}
/**
* Return an array of events that this subscriber listens to.
*
* @return array
*/
public static function get_subscribed_events(): array {
$slug = rocket_get_constant( 'WP_ROCKET_SLUG', 'wp_rocket_settings' );
return [
'update_option_' . $slug => [
[ 'clean_used_css_and_cache', 9, 2 ],
[ 'maybe_set_processing_transient', 50, 2 ],
[ 'maybe_unlock_preload', 9, 2 ],
[ 'maybe_delete_transient', 10, 2 ],
],
'switch_theme' => 'truncate_used_css',
'permalink_structure_changed' => 'truncate_used_css',
'rocket_domain_options_changed' => 'truncate_used_css',
'wp_trash_post' => 'delete_used_css_on_update_or_delete',
'delete_post' => 'delete_used_css_on_update_or_delete',
'clean_post_cache' => 'delete_used_css_on_update_or_delete',
'wp_update_comment_count' => 'delete_used_css_on_update_or_delete',
'edit_term' => 'delete_term_used_css',
'pre_delete_term' => 'delete_term_used_css',
'admin_notices' => [
[ 'display_no_table_notice' ],
[ 'notice_write_permissions' ],
],
'rocket_before_add_field_to_settings' => [
[ 'set_optimize_css_delivery_value', 10, 1 ],
[ 'set_optimize_css_delivery_method_value', 10, 1 ],
],
'wp_rocket_upgrade' => [
[ 'set_option_on_update', 14, 2 ],
[ 'update_safelist_items', 15, 2 ],
[ 'delete_used_css', 16, 2 ],
[ 'cancel_pending_jobs_as', 16, 2 ],
[ 'drop_resources_table', 18, 2 ],
],
'wp_ajax_rocket_spawn_cron' => 'spawn_cron',
'rocket_deactivation' => 'cancel_queues',
'admin_head-tools_page_action-scheduler' => 'delete_as_tables_transient_on_tools_page',
'pre_get_rocket_option_remove_unused_css' => 'disable_russ_on_wrong_license',
'rocket_before_rollback' => 'cancel_queues',
'rocket_saas_clean_all' => [ 'truncate', 11 ],
'rocket_saas_clean_url' => [ 'clean_url', 11 ],
];
}
/**
* Delete used_css on Update Post or Delete post.
*
* @since 3.9
*
* @param int $post_id The post ID.
*
* @return void
*/
public function delete_used_css_on_update_or_delete( $post_id ) {
if ( ! $this->settings->is_enabled() ) {
return;
}
if ( ! $this->is_deletion_enabled() ) {
return;
}
$url = get_permalink( $post_id );
if ( false === $url ) {
return;
}
$this->used_css->delete_used_css( untrailingslashit( $url ) );
}
/**
* Maybe unlock all locked preload urls.
*
* @param array $old_value An array of submitted values for the settings.
* @param array $value An array of previous values for the settings.
*
* @return void
*/
public function maybe_unlock_preload( $old_value, $value ) {
if ( ! isset( $value['remove_unused_css'], $old_value['remove_unused_css'] ) ) {
return;
}
if ( $value['remove_unused_css'] === $old_value['remove_unused_css'] ) {
return;
}
if ( $value['remove_unused_css'] ) {
return;
}
do_action( 'rocket_preload_unlock_all_urls' );
}
/**
* Deletes the used CSS when updating a term
*
* @since 3.10.2
*
* @param int $term_id the term ID.
*
* @return void
*/
public function delete_term_used_css( $term_id ) {
if ( ! $this->settings->is_enabled() ) {
return;
}
if ( ! $this->is_deletion_enabled() ) {
return;
}
$url = get_term_link( (int) $term_id );
if ( is_wp_error( $url ) ) {
return;
}
$this->used_css->delete_used_css( untrailingslashit( $url ) );
}
/**
* Truncate RUCSS used_css DB table.
*
* @since 3.9
*
* @return void
*/
public function truncate_used_css() {
if ( ! $this->settings->is_enabled() ) {
return;
}
if ( ! $this->is_deletion_enabled() ) {
return;
}
$this->delete_used_css_rows();
$this->set_notice_transient();
}
/**
* Deletes the used CSS from the table
*
* @since 3.11
*
* @return void
*/
private function delete_used_css_rows() {
$this->used_css->delete_all_used_css();
if ( 0 < $this->used_css->get_not_completed_count() ) {
$this->database->remove_all_completed_rows();
} else {
$this->database->truncate_used_css_table();
}
/**
* Fires after the used CSS has been cleaned in the database
*
* @since 3.11
*/
do_action( 'rocket_after_clean_used_css' );
}
/**
* Truncate UsedCSS DB Table when `remove_unused_css_safelist` is changed.
*
* @since 3.9
*
* @param array $old_value An array of submitted values for the settings.
* @param array $value An array of previous values for the settings.
*
* @return void
*/
public function clean_used_css_and_cache( $old_value, $value ) {
if ( ! isset( $value['remove_unused_css_safelist'], $old_value['remove_unused_css_safelist'] ) ) {
return;
}
if ( $value['remove_unused_css_safelist'] === $old_value['remove_unused_css_safelist'] ) {
return;
}
$this->delete_used_css_rows();
$this->set_notice_transient();
}
/**
* Deletes rows when triggering clean from admin
*
* @param array $clean An array containing the status and message.
*
* @return array
*/
public function truncate( $clean ) {
if ( ! $this->settings->is_enabled() ) {
return $clean;
}
if ( ! current_user_can( 'rocket_remove_unused_css' ) ) {
return [
'status' => 'die',
];
}
$this->delete_used_css_rows();
return [
'status' => 'success',
'message' => sprintf(
// translators: %1$s = plugin name.
__( '%1$s: Used CSS cache cleared!', 'rocket' ),
'<strong>WP Rocket</strong>'
),
];
}
/**
* Set optimize css delivery value
*
* @since 3.10
*
* @param array $field_args Array of field to be added to settings page.
*
* @return array
*/
public function set_optimize_css_delivery_value( $field_args ): array {
return $this->settings->set_optimize_css_delivery_value( $field_args );
}
/**
* Set optimize css delivery method value
*
* @since 3.10
*
* @param array $field_args Array of field to be added to settings page.
*
* @return array
*/
public function set_optimize_css_delivery_method_value( $field_args ): array {
return $this->settings->set_optimize_css_delivery_method_value( $field_args );
}
/**
* Clean UsedCSS for the current URL.
*
* @return void
*/
public function clean_url() {
if ( ! current_user_can( 'rocket_remove_unused_css' ) ) {
wp_nonce_ays( '' );
}
$url = wp_get_referer();
if ( 0 !== strpos( $url, 'http' ) ) {
$parse_url = get_rocket_parse_url( untrailingslashit( home_url() ) );
$url = $parse_url['scheme'] . '://' . $parse_url['host'] . $url;
}
$this->used_css->clear_url_usedcss( $url );
}
/**
* Disables combine CSS if RUCSS is enabled when updating to 3.11
*
* @since 3.11
*
* @param string $new_version New plugin version.
* @param string $old_version Previous plugin version.
*
* @return void
*/
public function set_option_on_update( $new_version, $old_version ) {
$this->settings->set_option_on_update( $old_version );
if ( version_compare( $old_version, '3.11', '>=' ) ) {
return;
}
$this->database->truncate_used_css_table();
rocket_clean_domain();
$this->set_notice_transient();
}
/**
* Updates safelist items for new SaaS compatibility
*
* @since 3.11.0.2
*
* @param string $new_version New plugin version.
* @param string $old_version Previous plugin version.
*
* @return void
*/
public function update_safelist_items( $new_version, $old_version ) {
$this->settings->update_safelist_items( $old_version );
}
/**
* Cancel pending jobs actions in Action Scheduler on update to 3.11.3
*
* @since 3.11.3
*
* @param string $new_version New plugin version.
* @param string $old_version Previous plugin version.
*
* @return void
*/
public function cancel_pending_jobs_as( $new_version, $old_version ) {
if ( version_compare( $old_version, '3.11.3', '>=' ) ) {
return;
}
try {
$this->queue->cancel_pending_jobs_cron();
} catch ( \InvalidArgumentException $e ) {
// nothing to do.
return;
}
}
/**
* Sets the processing transient if RUCSS is enabled
*
* @since 3.11
*
* @param mixed $old_value Option old value.
* @param mixed $value Option new value.
*
* @return void
*/
public function maybe_set_processing_transient( $old_value, $value ) {
if ( ! isset( $old_value['remove_unused_css'], $value['remove_unused_css'] ) ) {
return;
}
if ( 0 === (int) $value['remove_unused_css'] ) {
return;
}
if ( $old_value['remove_unused_css'] === $value['remove_unused_css'] ) {
return;
}
$this->set_notice_transient();
}
/**
* Sets the transient for the processing notice
*
* @since 3.11
*
* @return void
*/
private function set_notice_transient() {
set_transient(
'rocket_saas_processing',
time() + 90,
1.5 * MINUTE_IN_SECONDS
);
rocket_renew_box( 'saas_success_notice' );
}
/**
* Sends a request to run cron when switching to RUCSS completed notice
*
* @since 3.11
*
* @return void
*/
public function spawn_cron() {
if ( rocket_get_constant( 'DISABLE_WP_CRON', false ) ) {
return;// Bailout and don't fire the CRON.
}
check_ajax_referer( 'rocket-ajax', 'nonce' );
if ( ! current_user_can( 'rocket_manage_options' ) ) {
wp_send_json_error();
return;
}
spawn_cron();
wp_send_json_success();
}
/**
* Cancel queues and crons for RUCSS.
*
* @return void
*/
public function cancel_queues() {
// Will unhook check for dispatching an async request without RUCSS process running.
\ActionScheduler_QueueRunner::instance()->unhook_dispatch_async_request();
// Will unhook check for dispatching an async request when RUCSS process is already running.
RUCSSQueueRunner::instance()->unhook_dispatch_async_request();
$this->queue->cancel_pending_jobs_cron();
if ( ! wp_next_scheduled( 'rocket_saas_clean_rows_time_event' ) ) {
return;
}
wp_clear_scheduled_hook( 'rocket_saas_clean_rows_time_event' );
}
/**
* Delete the transient for Action scheduler once admin visits the AS tools page.
*
* @return void
*/
public function delete_as_tables_transient_on_tools_page() {
delete_transient( 'rocket_rucss_as_tables_count' );
}
/**
* Deletes the used CSS on update to 3.11.4 for new storage method
*
* @since 3.11.4
*
* @param string $new_version New plugin version.
* @param string $old_version Previous plugin version.
*
* @return void
*/
public function delete_used_css( $new_version, $old_version ) {
if ( version_compare( $old_version, '3.11.4', '>=' ) ) {
return;
}
$this->database->truncate_used_css_table();
}
/**
* Disable RUCSS on wrong license.
*
* @return null|false
*/
public function disable_russ_on_wrong_license() {
if ( false !== (bool) get_option( 'wp_rocket_no_licence' ) ) {
return false;
}
return null;
}
/**
* Remove the resources table & version stored in options table on update to 3.12
*
* @since 3.12
*
* @param string $new_version New plugin version.
* @param string $old_version Previous plugin version.
*
* @return void
*/
public function drop_resources_table( $new_version, $old_version ) {
if ( version_compare( $old_version, '3.12', '>=' ) ) {
return;
}
$this->database->drop_resources_table();
}
/**
* Displays a notice if the used CSS folder is not writable
*
* @since 3.11.4
*
* @return void
*/
public function notice_write_permissions() {
$this->used_css->notice_write_permissions();
}
/**
* Display a notice on table missing.
*
* @return void
*/
public function display_no_table_notice() {
$this->settings->display_no_table_notice();
}
/**
* Maybe delete transient.
*
* @param mixed $old_value Option old value.
* @param mixed $value Option new value.
*
* @return void
*/
public function maybe_delete_transient( $old_value, $value ) {
if ( ! isset( $old_value['remove_unused_css'], $value['remove_unused_css'] ) ) {
return;
}
if ( 1 === (int) $value['remove_unused_css'] ) {
return;
}
if ( $old_value['remove_unused_css'] === $value['remove_unused_css'] ) {
return;
}
delete_transient( 'wp_rocket_no_licence' );
}
/**
* Checks if the SaaS deletion is enabled.
*
* @return bool
*/
protected function is_deletion_enabled(): bool {
/**
* Filters the enable SaaS deletion value
*
* @param bool $delete_saas_jobs True to enable deletion, false otherwise.
*/
return (bool) rocket_apply_filter_and_deprecated(
'rocket_saas_deletion_enabled',
[ true ],
'3.16',
'rocket_rucss_deletion_enabled'
);
}
}