<?php
/**
* The cron task class.
*
* @since 1.1.3
* @since 1.5 Moved into /inc
*/
namespace LiteSpeed;
defined('WPINC') || exit();
class Task extends Root
{
const LOG_TAG = '⏰';
private static $_triggers = array(
Base::O_IMG_OPTM_CRON => array('name' => 'litespeed_task_imgoptm_pull', 'hook' => 'LiteSpeed\Img_Optm::start_async_cron'), // always fetch immediately
Base::O_OPTM_CSS_ASYNC => array('name' => 'litespeed_task_ccss', 'hook' => 'LiteSpeed\CSS::cron_ccss'),
Base::O_OPTM_UCSS => array('name' => 'litespeed_task_ucss', 'hook' => 'LiteSpeed\UCSS::cron'),
Base::O_MEDIA_VPI_CRON => array('name' => 'litespeed_task_vpi', 'hook' => 'LiteSpeed\VPI::cron'),
Base::O_MEDIA_PLACEHOLDER_RESP_ASYNC => array('name' => 'litespeed_task_lqip', 'hook' => 'LiteSpeed\Placeholder::cron'),
Base::O_DISCUSS_AVATAR_CRON => array('name' => 'litespeed_task_avatar', 'hook' => 'LiteSpeed\Avatar::cron'),
Base::O_IMG_OPTM_AUTO => array('name' => 'litespeed_task_imgoptm_req', 'hook' => 'LiteSpeed\Img_Optm::cron_auto_request'),
Base::O_CRAWLER => array('name' => 'litespeed_task_crawler', 'hook' => 'LiteSpeed\Crawler::start_async_cron'), // Set crawler to last one to use above results
);
private static $_guest_options = array(Base::O_OPTM_CSS_ASYNC, Base::O_OPTM_UCSS, Base::O_MEDIA_VPI);
const FILTER_CRAWLER = 'litespeed_crawl_filter';
const FILTER = 'litespeed_filter';
/**
* Keep all tasks in cron
*
* @since 3.0
* @access public
*/
public function init()
{
self::debug2('Init');
add_filter('cron_schedules', array($this, 'lscache_cron_filter'));
$guest_optm = $this->conf(Base::O_GUEST) && $this->conf(Base::O_GUEST_OPTM);
foreach (self::$_triggers as $id => $trigger) {
if (!$this->conf($id)) {
if (!$guest_optm || !in_array($id, self::$_guest_options)) {
continue;
}
}
// Special check for crawler
if ($id == Base::O_CRAWLER) {
if (!Router::can_crawl()) {
continue;
}
add_filter('cron_schedules', array($this, 'lscache_cron_filter_crawler'));
}
if (!wp_next_scheduled($trigger['name'])) {
self::debug('Cron hook register [name] ' . $trigger['name']);
wp_schedule_event(time(), $id == Base::O_CRAWLER ? self::FILTER_CRAWLER : self::FILTER, $trigger['name']);
}
add_action($trigger['name'], $trigger['hook']);
}
}
/**
* Handle all async noabort requests
*
* @since 5.5
*/
public static function async_litespeed_handler()
{
$hash_data = self::get_option('async_call-hash', array());
if (!$hash_data || !is_array($hash_data) || empty($hash_data['hash']) || empty($hash_data['ts'])) {
self::debug('async_litespeed_handler no hash data', $hash_data);
return;
}
if (time() - $hash_data['ts'] > 120 || empty($_GET['nonce']) || $_GET['nonce'] != $hash_data['hash']) {
self::debug('async_litespeed_handler nonce mismatch');
return;
}
self::delete_option('async_call-hash');
$type = Router::verify_type();
self::debug('type=' . $type);
// Don't lock up other requests while processing
session_write_close();
switch ($type) {
case 'crawler':
Crawler::async_handler();
break;
case 'crawler_force':
Crawler::async_handler(true);
break;
case 'imgoptm':
Img_Optm::async_handler();
break;
case 'imgoptm_force':
Img_Optm::async_handler(true);
break;
default:
}
}
/**
* Async caller wrapper func
*
* @since 5.5
*/
public static function async_call($type)
{
$hash = Str::rrand(32);
self::update_option('async_call-hash', array('hash' => $hash, 'ts' => time()));
$args = array(
'timeout' => 0.01,
'blocking' => false,
'sslverify' => false,
// 'cookies' => $_COOKIE,
);
$qs = array(
'action' => 'async_litespeed',
'nonce' => $hash,
Router::TYPE => $type,
);
$url = add_query_arg($qs, admin_url('admin-ajax.php'));
self::debug('async call to ' . $url);
wp_remote_post(esc_url_raw($url), $args);
}
/**
* Clean all potential existing crons
*
* @since 3.0
* @access public
*/
public static function destroy()
{
Utility::compatibility();
array_map('wp_clear_scheduled_hook', array_column(self::$_triggers, 'name'));
}
/**
* Try to clean the crons if disabled
*
* @since 3.0
* @access public
*/
public function try_clean($id)
{
// Clean v2's leftover cron ( will remove in v3.1 )
// foreach ( wp_get_ready_cron_jobs() as $hooks ) {
// foreach ( $hooks as $hook => $v ) {
// if ( strpos( $hook, 'litespeed_' ) === 0 && ( substr( $hook, -8 ) === '_trigger' || strpos( $hook, 'litespeed_task_' ) !== 0 ) ) {
// self::debug( 'Cron clear legacy [hook] ' . $hook );
// wp_clear_scheduled_hook( $hook );
// }
// }
// }
if ($id && !empty(self::$_triggers[$id])) {
if (!$this->conf($id) || ($id == Base::O_CRAWLER && !Router::can_crawl())) {
self::debug('Cron clear [id] ' . $id . ' [hook] ' . self::$_triggers[$id]['name']);
wp_clear_scheduled_hook(self::$_triggers[$id]['name']);
}
return;
}
self::debug('❌ Unknown cron [id] ' . $id);
}
/**
* Register cron interval imgoptm
*
* @since 1.6.1
* @access public
*/
public function lscache_cron_filter($schedules)
{
if (!array_key_exists(self::FILTER, $schedules)) {
$schedules[self::FILTER] = array(
'interval' => 60,
'display' => __('Every Minute', 'litespeed-cache'),
);
}
return $schedules;
}
/**
* Register cron interval
*
* @since 1.1.0
* @access public
*/
public function lscache_cron_filter_crawler($schedules)
{
$interval = $this->conf(Base::O_CRAWLER_RUN_INTERVAL);
// $wp_schedules = wp_get_schedules();
if (!array_key_exists(self::FILTER_CRAWLER, $schedules)) {
// self::debug('Crawler cron log: cron filter '.$interval.' added');
$schedules[self::FILTER_CRAWLER] = array(
'interval' => $interval,
'display' => __('LiteSpeed Crawler Cron', 'litespeed-cache'),
);
}
return $schedules;
}
}