FM / src

/home/sitetest/makie/homedir/public_html/wp-content/plugins/litespeed-cache/src/

/home/sitetest/makie/homedir/public_html/wp-content/plugins/litespeed-cache/src

Name	Size	Mode	Actions
cdn/	-	0755	rm
data_structure/	-	0755	rm
activation.cls.php	17855	0644	edit dl rm
admin-display.cls.php	49274	0644	edit dl rm
admin-settings.cls.php	11383	0644	edit dl rm
admin.cls.php	5167	0644	edit dl rm
api.cls.php	10687	0644	edit dl rm
avatar.cls.php	8890	0644	edit dl rm
base.cls.php	35410	0644	edit dl rm
cdn.cls.php	16300	0644	edit dl rm
cloud.cls.php	67375	0644	edit dl rm
conf.cls.php	19999	0644	edit dl rm
control.cls.php	24933	0644	edit dl rm
core.cls.php	21519	0644	edit dl rm
crawler-map.cls.php	19894	0644	edit dl rm
crawler.cls.php	43208	0644	edit dl rm
css.cls.php	15637	0644	edit dl rm
data.cls.php	16886	0644	edit dl rm
data.upgrade.func.php	3147	0644	edit dl rm
db-optm.cls.php	10589	0644	edit dl rm
debug2.cls.php	14510	0644	edit dl rm
doc.cls.php	4164	0644	edit dl rm
error.cls.php	7560	0644	edit dl rm
esi.cls.php	27834	0644	edit dl rm
file.cls.php	10823	0644	edit dl rm
gui.cls.php	37379	0644	edit dl rm
health.cls.php	2899	0644	edit dl rm
htaccess.cls.php	24578	0644	edit dl rm
img-optm.cls.php	66693	0644	edit dl rm
import.cls.php	4395	0644	edit dl rm
import.preset.cls.php	5633	0644	edit dl rm
lang.cls.php	15421	0644	edit dl rm
localization.cls.php	3522	0644	edit dl rm
media.cls.php	41337	0644	edit dl rm
metabox.cls.php	5444	0644	edit dl rm
object-cache-wp.cls.php	25259	0644	edit dl rm
object-cache.cls.php	20788	0644	edit dl rm
object.lib.php	13629	0644	edit dl rm
optimize.cls.php	39591	0644	edit dl rm
optimizer.cls.php	9640	0644	edit dl rm
placeholder.cls.php	14527	0644	edit dl rm
purge.cls.php	34765	0644	edit dl rm
report.cls.php	6266	0644	edit dl rm
rest.cls.php	8844	0644	edit dl rm
root.cls.php	14323	0644	edit dl rm
router.cls.php	21062	0644	edit dl rm
str.cls.php	3226	0644	edit dl rm
tag.cls.php	9481	0644	edit dl rm
task.cls.php	6279	0644	edit dl rm
tool.cls.php	4318	0644	edit dl rm
ucss.cls.php	14719	0644	edit dl rm
utility.cls.php	22285	0644	edit dl rm
vary.cls.php	20686	0644	edit dl rm
vpi.cls.php	9588	0644	edit dl rm

Edit: /home/sitetest/makie/homedir/public_html/wp-content/plugins/litespeed-cache/src/vpi.cls.php (9588B)

<?php
/**
 * The viewport image (VPI) class.
 *
 * Handles discovering above-the-fold images for posts/pages and stores the
 * viewport image list per post (desktop & mobile). Coordinates with the
 * remote service via queue + cron + webhook notify.
 *
 * @since   4.7
 * @package LiteSpeed
 */

namespace LiteSpeed;

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

/**
 * Generate and manage ViewPort Images (VPI) for pages.
 */
class VPI extends Base {

/**
	 * Log tag for debug output.
	 *
	 * @var string
	 */
	const LOG_TAG = '[VPI]';

/**
	 * Action types.
	 *
	 * @var string
	 */
	const TYPE_GEN     = 'gen';
	const TYPE_CLEAR_Q = 'clear_q';
	
	/**
	 * VPI Desktop Meta name.
	 * 
	 * @since  7.6
	 * @var string
	 */
	const POST_META = 'litespeed_vpi_list';
	/**
	 * VPI Mobile Meta name.
	 * 
	 * @since  7.6
	 * @var string
	 */
	const POST_META_MOBILE = 'litespeed_vpi_list_mobile';

/**
	 * Summary values persisted between requests (timings, last runs, etc).
	 *
	 * @var array
	 */
	protected $_summary;

/**
	 * In-memory working queue for VPI jobs.
	 *
	 * @var array
	 */
	private $_queue;

/**
	 * Init.
	 *
	 * @since 4.7
	 */
	public function __construct() {
		$this->_summary = self::get_summary();
	}

/**
	 * Queue the current page for VPI generation.
	 *
	 * @since 4.7
	 * @return void
	 */
	public function add_to_queue() {
		$is_mobile = $this->_separate_mobile();

global $wp;
		$request_url = home_url( $wp->request );

if ( ! apply_filters( 'litespeed_vpi_should_queue', true, $request_url ) ) {
			return;
		}

// Sanitize user agent coming from the server superglobal.
		$ua = ! empty( $_SERVER['HTTP_USER_AGENT'] )
			? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) )
			: '';

// Store it to prepare for cron.
		$this->_queue = $this->load_queue( 'vpi' );

if ( count( $this->_queue ) > 500 ) {
			self::debug( 'Queue is full - 500' );
			return;
		}

$home_id = (int) get_option( 'page_for_posts' );

if ( ! is_singular() && ! ( $home_id > 0 && is_home() ) ) {
			self::debug( 'not single post ID' );
			return;
		}

$post_id = is_home() ? $home_id : get_the_ID();

$queue_k = ( $is_mobile ? 'mobile' : '' ) . ' ' . $request_url;
		if ( ! empty( $this->_queue[ $queue_k ] ) ) {
			self::debug( 'queue k existed ' . $queue_k );
			return;
		}

$this->_queue[ $queue_k ] = [
			'url'        => apply_filters( 'litespeed_vpi_url', $request_url ),
			'post_id'    => $post_id,
			'user_agent' => substr( $ua, 0, 200 ),
			'is_mobile'  => $is_mobile,
		]; // Current UA will be used to request.
		$this->save_queue( 'vpi', $this->_queue );
		self::debug( 'Added queue_vpi [url] ' . $queue_k . ' [UA] ' . $ua );

// Prepare cache tag for later purge.
		Tag::add( 'VPI.' . md5( $queue_k ) );
	}

/**
	 * Handle finish notifications from remote service.
	 *
	 * Expects JSON body; falls back to $_POST for legacy callers.
	 *
	 * @since 4.7
	 * @return array Response object for the cloud layer.
	 */
	public function notify() {
		// phpcs:ignore WordPress.Security.NonceVerification.Missing
		$post_data = \json_decode( file_get_contents( 'php://input' ), true );
		if ( is_null( $post_data ) ) {
			// phpcs:ignore WordPress.Security.NonceVerification.Missing
			$post_data = $_POST;
		}
		self::debug( 'notify() data', $post_data );

$this->_queue = $this->load_queue( 'vpi' );

list( $post_data ) = $this->cls( 'Cloud' )->extract_msg( $post_data, 'vpi' );

$notified_data = $post_data['data'];
		if ( empty( $notified_data ) || ! is_array( $notified_data ) ) {
			self::debug( '❌ notify exit: no notified data' );
			return Cloud::err( 'no notified data' );
		}

// Check if it's in queue or not.
		$valid_i = 0;
		foreach ( $notified_data as $v ) {
			if ( empty( $v['request_url'] ) ) {
				self::debug( '❌ notify bypass: no request_url', $v );
				continue;
			}
			if ( empty( $v['queue_k'] ) ) {
				self::debug( '❌ notify bypass: no queue_k', $v );
				continue;
			}

$queue_k = $v['queue_k'];

if ( empty( $this->_queue[ $queue_k ] ) ) {
				self::debug( '❌ notify bypass: no this queue [q_k]' . $queue_k );
				continue;
			}

// Save data.
			if ( ! empty( $v['data_vpi'] ) ) {
				$post_id   = (int) $this->_queue[ $queue_k ]['post_id'];
				$name      = ! empty( $v['is_mobile'] ) ? self::POST_META_MOBILE : self::POST_META;
				$urldecode = is_array( $v['data_vpi'] ) ? array_map( 'urldecode', $v['data_vpi'] ) : urldecode( $v['data_vpi'] );
				self::debug( 'save data_vpi', $urldecode );
				$this->cls( 'Metabox' )->save( $post_id, $name, $urldecode );

++$valid_i;
			}

unset( $this->_queue[ $queue_k ] );
			self::debug( 'notify data handled, unset queue [q_k] ' . $queue_k );
		}
		$this->save_queue( 'vpi', $this->_queue );

self::debug( 'notified' );

return Cloud::ok( [ 'count' => $valid_i ] );
	}

/**
	 * Cron entry point.
	 *
	 * @since 4.7
	 *
	 * @param bool $do_continue Continue processing multiple queue items within one cron tick.
	 * @return mixed Result of the handler.
	 */
	public static function cron( $do_continue = false ) {
		$_instance = self::cls();
		return $_instance->_cron_handler( $do_continue );
	}

/**
	 * Cron queue processor.
	 *
	 * @since 4.7
	 *
	 * @param bool $do_continue Continue processing multiple queue items within one cron tick.
	 * @return void
	 */
	private function _cron_handler( $do_continue = false ) {
		self::debug( 'cron start' );
		$this->_queue = $this->load_queue( 'vpi' );

if ( empty( $this->_queue ) ) {
			return;
		}

// For cron, need to check request interval too.
		if ( ! $do_continue ) {
			if ( ! empty( $this->_summary['curr_request_vpi'] ) && time() - $this->_summary['curr_request_vpi'] < 300 && ! $this->conf( self::O_DEBUG ) ) {
				self::debug( 'Last request not done' );
				return;
			}
		}

$i = 0;
		foreach ( $this->_queue as $k => $v ) {
			if ( ! empty( $v['_status'] ) ) {
				continue;
			}

self::debug( 'cron job [tag] ' . $k . ' [url] ' . $v['url'] . ( $v['is_mobile'] ? ' 📱 ' : '' ) . ' [UA] ' . $v['user_agent'] );

++$i;
			$res = $this->_send_req( $v['url'], $k, $v['user_agent'], $v['is_mobile'] );
			if ( ! $res ) {
				// Status is wrong, drop this item from queue.
				$this->_queue = $this->load_queue( 'vpi' );
				unset( $this->_queue[ $k ] );
				$this->save_queue( 'vpi', $this->_queue );

if ( ! $do_continue ) {
					return;
				}

GUI::print_loading( count( $this->_queue ), 'VPI' );
				Router::self_redirect( Router::ACTION_VPI, self::TYPE_GEN );
				return;
			}

// Exit queue if out of quota or service is hot.
			if ( 'out_of_quota' === $res || 'svc_hot' === $res ) {
				return;
			}

$this->_queue                  = $this->load_queue( 'vpi' );
			$this->_queue[ $k ]['_status'] = 'requested';
			$this->save_queue( 'vpi', $this->_queue );
			self::debug( 'Saved to queue [k] ' . $k );

// only request first one if not continuing.
			if ( ! $do_continue ) {
				return;
			}

GUI::print_loading( count( $this->_queue ), 'VPI' );
			Router::self_redirect( Router::ACTION_VPI, self::TYPE_GEN );
			return;
		}
	}

/**
	 * Send request to QUIC.cloud API to generate VPI.
	 *
	 * @since 4.7
	 * @access private
	 *
	 * @param string $request_url The URL to analyze for VPI.
	 * @param string $queue_k     Queue key for this job.
	 * @param string $user_agent  Sanitized User-Agent string (<=200 chars).
	 * @param bool   $is_mobile   Whether the job is for mobile viewport.
	 * @return bool|string True on queued successfully, 'out_of_quota'/'svc_hot' on throttling, or false on error.
	 */
	private function _send_req( $request_url, $queue_k, $user_agent, $is_mobile ) {
		$svc = Cloud::SVC_VPI;

// Check if has credit to push or not.
		$err       = false;
		$allowance = $this->cls( 'Cloud' )->allowance( $svc, $err );
		if ( ! $allowance ) {
			self::debug( '❌ No credit: ' . $err );
			$err && Admin_Display::error( Error::msg( $err ) );
			return 'out_of_quota';
		}

set_time_limit( 120 );

// Update request status.
		self::save_summary( [ 'curr_request_vpi' => time() ], true );

// Gather guest HTML to send.
		$html = $this->cls( 'CSS' )->prepare_html( $request_url, $user_agent );

if ( ! $html ) {
			return false;
		}

// Parse HTML to gather CSS content before requesting.
		$css                = false;
		list( $css, $html ) = $this->cls( 'CSS' )->prepare_css( $html );

if ( ! $css ) {
			self::debug( '❌ No css' );
			return false;
		}

$data = [
			'url'        => $request_url,
			'queue_k'    => $queue_k,
			'user_agent' => $user_agent,
			'is_mobile'  => $is_mobile ? 1 : 0, // todo: compatible w/ tablet.
			'html'       => $html,
			'css'        => $css,
		];
		self::debug( 'Generating: ', $data );

$json = Cloud::post( $svc, $data, 30 );
		if ( ! is_array( $json ) ) {
			return $json;
		}

// Unknown status, remove this line.
		if ( 'queued' !== $json['status'] ) {
			return false;
		}

// Save summary data.
		self::reload_summary();
		$this->_summary['last_spent_vpi']   = time() - $this->_summary['curr_request_vpi'];
		$this->_summary['last_request_vpi'] = $this->_summary['curr_request_vpi'];
		$this->_summary['curr_request_vpi'] = 0;
		self::save_summary();

return true;
	}

/**
	 * Handle all request actions from main controller.
	 *
	 * @since 4.7
	 * @return void
	 */
	public function handler() {
		$type = Router::verify_type();

switch ( $type ) {
			case self::TYPE_GEN:
            self::cron( true );
				break;

case self::TYPE_CLEAR_Q:
            $this->clear_q( 'vpi' );
				break;

default:
				break;
		}

Admin::redirect();
	}
}

cmd: