GOLDEN HOUR

DIR: /home/vlabbdco/public_html/wp-content/plugins/litespeed-cache/src

Name	Size	Action
activation.cls.php	15.06 KB
admin-display.cls.php	33.69 KB
admin-settings.cls.php	9.15 KB
admin.cls.php	5.2 KB
api.cls.php	11.28 KB
avatar.cls.php	6.26 KB
base.cls.php	30.85 KB
[ cdn ]	-
cdn-setup.cls.php	9.63 KB
cdn.cls.php	13.52 KB
cloud.cls.php	38.96 KB
conf.cls.php	18.83 KB
control.cls.php	20.35 KB
core.cls.php	17.39 KB
crawler-map.cls.php	13.42 KB
crawler.cls.php	30.77 KB
css.cls.php	13.02 KB
data.cls.php	16.52 KB
data.upgrade.func.php	21.85 KB
[ data_structure ]	-
db-optm.cls.php	8.66 KB
debug2.cls.php	11.98 KB
doc.cls.php	3.54 KB
error.cls.php	6.38 KB
esi.cls.php	26.45 KB
file.cls.php	10.47 KB
gui.cls.php	27.87 KB
health.cls.php	3 KB
htaccess.cls.php	24.34 KB
img-optm.cls.php	55.77 KB
import.cls.php	4.32 KB
instance.cls.php	153 B
lang.cls.php	16.6 KB
localization.cls.php	3.53 KB
media.cls.php	27.13 KB
metabox.cls.php	3.94 KB
object-cache.cls.php	15.82 KB
object.lib.php	14.43 KB
optimize.cls.php	34.61 KB
optimizer.cls.php	8.82 KB
placeholder.cls.php	14.5 KB
purge.cls.php	29.84 KB
report.cls.php	5.43 KB
rest.cls.php	7.52 KB
root.cls.php	12.88 KB
router.cls.php	17.7 KB
str.cls.php	1.18 KB
tag.cls.php	8.78 KB
task.cls.php	4.41 KB
tool.cls.php	3.41 KB
ucss.cls.php	13.36 KB
utility.cls.php	21.15 KB
vary.cls.php	19.44 KB
vpi.cls.php	7.44 KB

Edit: vpi.cls.php

<?php
/**
 * The viewport image class.
 *
 * @since      	4.7
 */
namespace LiteSpeed;
defined( 'WPINC' ) || exit;

class VPI extends Base {
	const LOG_TAG = '[VPI]';

const TYPE_GEN = 'gen';
	const TYPE_CLEAR_Q = 'clear_q';

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

/**
	 * The VPI content of the current page
	 *
	 * @since  4.7
	 */
	public function add_to_queue() {
		$is_mobile = $this->_separate_mobile();

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

$ua = ! empty( $_SERVER[ 'HTTP_USER_AGENT' ] ) ? $_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;
		}

if ( ! is_singular() ) {
			self::debug( 'not single post ID' );
			return;
		}

$post_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 ] = array(
			'url'			=> apply_filters( 'litespeed_vpi_url', $request_url ),
			'post_id' 		=> $post_id,
			'user_agent'	=> substr( $ua, 0, 200 ),
			'is_mobile'		=> $this->_separate_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 ) );

return null;
	}

/**
	 * Notify finished from server
	 * @since 4.7
	 */
	public function notify() {
		$post_data = json_decode(file_get_contents('php://input'), true);
		if( is_null( $post_data ) ) {
			$post_data = $_POST;
		}
		self::debug( 'notify() data', $post_data );

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

// Validate key
		if ( empty( $post_data[ 'domain_key' ] ) || $post_data[ 'domain_key' ] !== md5( $this->conf( self::O_API_KEY ) ) ) {
			self::debug( '❌ notify wrong key' );
			self::save_summary( array( 'notify_ts_err' => time() ) );
			return Cloud::err( 'wrong_key' );
		}

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 its 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 = ( $is_mobile ? 'mobile' : '' ) . ' ' . $v[ 'request_url' ];
			$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 = $this->_queue[ $queue_k ][ 'post_id' ];
				$name = !empty( $v[ 'is_mobile' ] ) ? 'litespeed_vpi_list_mobile' : 'litespeed_vpi_list';
				$this->cls( 'Metabox' )->save( $post_id, $name, $v[ 'data_vpi' ] );

$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( array( 'count' => $valid_i ) );
	}

/**
	 * Cron
	 *
	 * @since  4.7
	 */
	public static function cron( $continue = false ) {
		$_instance = self::cls();
		return $_instance->_cron_handler( $continue );
	}

/**
	 * Cron generation
	 *
	 * @since  4.7
	 */
	private function _cron_handler( $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 ( ! $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 this->_queue
				$this->_queue = $this->load_queue( 'vpi' );
				unset( $this->_queue[ $k ] );
				$this->save_queue( 'vpi', $this->_queue );

if ( ! $continue ) {
					return;
				}

// if ( $i > 3 ) {
					GUI::print_loading( count( $this->_queue ), 'VPI' );
					return Router::self_redirect( Router::ACTION_VPI, self::TYPE_GEN );
				// }

continue;
			}

// Exit queue if out of quota
			if ( $res === 'out_of_quota' ) {
				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 ( ! $continue ) {
				return;
			}

// if ( $i > 3 ) {
				GUI::print_loading( count( $this->_queue ), 'VPI' );
				return Router::self_redirect( Router::ACTION_VPI, self::TYPE_GEN );
			// }
		}
	}

/**
	 * Send to QC API to generate VPI
	 *
	 * @since  4.7
	 * @access private
	 */
	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 css request status
		self::save_summary( array( '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 all CSS content before requesting
		$css = false;
		list( $css, $html ) = $this->cls( 'CSS' )->prepare_css( $html );

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

$data = array(
			'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 false;
		}

// Unknown status, remove this line
		if ( $json[ 'status' ] != 'queued' ) {
			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 cls
	 *
	 * @since  4.7
	 */
	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();
	}

}

GOLDEN HOUR

Edit: vpi.cls.php

TERMINAL