golden hour

/home/godaofbq/besthyperbaric.com/wp-content/plugins/litespeed-cache/src

File/Folder	Size	Actions
.htaccess	420 B
activation.cls.php	17.31 KB
admin-display.cls.php	48.47 KB
admin-settings.cls.php	11.12 KB
admin.cls.php	6.13 KB
api.cls.php	10.36 KB
avatar.cls.php	8.65 KB
base.cls.php	37.55 KB
cdn	-
cdn.cls.php	15.92 KB
cloud-auth-callback.trait.php	10.43 KB
cloud-auth-ip.trait.php	4.33 KB
cloud-auth.trait.php	9.38 KB
cloud-misc.trait.php	10.32 KB
cloud-node.trait.php	5.95 KB
cloud-request.trait.php	19.68 KB
cloud.cls.php	7.32 KB
conf.cls.php	19.53 KB
control.cls.php	24.35 KB
core.cls.php	20.97 KB
crawler-map.cls.php	19.41 KB
crawler.cls.php	44.72 KB
css.cls.php	17.77 KB
data.cls.php	22.21 KB
data.upgrade.func.php	5.72 KB
data_structure	-
db-optm.cls.php	15.35 KB
debug2.cls.php	18.4 KB
doc.cls.php	5.45 KB
error.cls.php	7.35 KB
esi.cls.php	27.18 KB
file.cls.php	10.57 KB
guest.cls.php	2.75 KB
gui.cls.php	36.57 KB
health.cls.php	2.83 KB
htaccess.cls.php	29.81 KB
img-optm-manage.trait.php	30.85 KB
img-optm-pull.trait.php	22.1 KB
img-optm-send.trait.php	21.9 KB
img-optm.cls.php	5.26 KB
import.cls.php	4.29 KB
import.preset.cls.php	5.5 KB
lang.cls.php	17.02 KB
localization.cls.php	4.03 KB
media.cls.php	44.08 KB
metabox.cls.php	5.29 KB
object-cache-wp.cls.php	18.82 KB
object-cache.cls.php	19.81 KB
object.lib.php	13.31 KB
optimize.cls.php	38.64 KB
optimizer.cls.php	10.5 KB
placeholder.cls.php	17.93 KB
purge.cls.php	34.41 KB
report.cls.php	6.12 KB
rest.cls.php	9.08 KB
root.cls.php	14.29 KB
router.cls.php	20.76 KB
str.cls.php	3.08 KB
tag.cls.php	9.26 KB
task.cls.php	7.05 KB
tool.cls.php	4.17 KB
ucss.cls.php	16.35 KB
utility.cls.php	26.01 KB
vary.cls.php	21.33 KB
vpi.cls.php	9.38 KB

Edit: ucss.cls.php

<?php
/**
 * The ucss class.
 *
 * @since   5.1
 * @package LiteSpeed
 */

namespace LiteSpeed;

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

/**
 * UCSS optimization class.
 *
 * @since 5.1
 */
class UCSS extends Base {

const LOG_TAG = '[UCSS]';

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

/**
	 * Summary data.
	 *
	 * @var array
	 */
	protected $_summary;

/**
	 * UCSS whitelist selectors.
	 *
	 * @var array
	 */
	private $_ucss_whitelist;

/**
	 * Queue for UCSS generation.
	 *
	 * @var array
	 */
	private $_queue;

/**
	 * Init
	 *
	 * @since  3.0
	 */
	public function __construct() {
		$this->_summary = self::get_summary();

add_filter( 'litespeed_ucss_whitelist', [ $this->cls( 'Data' ), 'load_ucss_whitelist' ] );
	}

/**
	 * Uniform url tag for ucss usage
	 *
	 * @since 4.7
	 *
	 * @param string|false $request_url The request URL.
	 * @return string The URL tag.
	 */
	public static function get_url_tag( $request_url = false ) {
		$url_tag = $request_url;
		if (is_404()) {
			$url_tag = '404';
		} elseif (apply_filters('litespeed_ucss_per_pagetype', false)) {
			$url_tag = Utility::page_type();
			self::debug('litespeed_ucss_per_pagetype filter altered url to ' . $url_tag);
		}

return $url_tag;
	}

/**
	 * Get UCSS path
	 *
	 * @since  4.0
	 *
	 * @param string $request_url The request URL.
	 * @param bool   $dry_run     Whether to run in dry mode.
	 * @return string|false The UCSS filename or false.
	 */
	public function load( $request_url, $dry_run = false ) {
		// Check UCSS URI excludes
		$ucss_exc = apply_filters( 'litespeed_ucss_exc', $this->conf( self::O_OPTM_UCSS_EXC ) );
		$hit      = $ucss_exc ? Utility::str_hit_array( $request_url, $ucss_exc ) : false;
		if ( $hit ) {
			self::debug( 'UCSS bypassed due to UCSS URI Exclude setting: ' . $hit );
			Core::comment( 'QUIC.cloud UCSS bypassed by setting' );
			return false;
		}

$filepath_prefix = $this->_build_filepath_prefix('ucss');

$url_tag = self::get_url_tag($request_url);

$vary     = $this->cls('Vary')->finalize_full_varies();
		$filename = $this->cls('Data')->load_url_file($url_tag, $vary, 'ucss');
		if ($filename) {
			$static_file = LITESPEED_STATIC_DIR . $filepath_prefix . $filename . '.css';

if (file_exists($static_file)) {
				self::debug2('existing ucss ' . $static_file);
				// Check if is error comment inside only
				$tmp = File::read($static_file);
				if ( '/*' === substr( $tmp, 0, 2 ) && '*/' === substr( trim( $tmp ), -2 ) ) {
					self::debug2('existing ucss is error only: ' . $tmp);
					Core::comment('QUIC.cloud UCSS bypassed due to generation error ❌ ' . $filepath_prefix . $filename . '.css');
					return false;
				}

Core::comment('QUIC.cloud UCSS loaded ✅ ' . $filepath_prefix . $filename . '.css' );

return $filename . '.css';
			}
		}

if ($dry_run) {
			return false;
		}

Core::comment('QUIC.cloud UCSS in queue');

$uid = get_current_user_id();

$ua = $this->_get_ua();

// Store it for cron
		$this->_queue = $this->load_queue('ucss');

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

$queue_k                  = (strlen($vary) > 32 ? md5($vary) : $vary) . ' ' . $url_tag;
		$this->_queue[ $queue_k ] = [
			'url'        => apply_filters( 'litespeed_ucss_url', $request_url ),
			'user_agent' => substr( $ua, 0, 200 ),
			'is_mobile'  => $this->_separate_mobile(),
			'is_webp'    => $this->cls( 'Media' )->webp_support() ? 1 : 0,
			'uid'        => $uid,
			'vary'       => $vary,
			'url_tag'    => $url_tag,
		]; // Current UA will be used to request
		$this->save_queue('ucss', $this->_queue);
		self::debug('Added queue_ucss [url_tag] ' . $url_tag . ' [UA] ' . $ua . ' [vary] ' . $vary . ' [uid] ' . $uid);

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

return false;
	}

/**
	 * Get User Agent
	 *
	 * @since  5.3
	 *
	 * @return string The user agent string.
	 */
	private function _get_ua() {
		return ! empty( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '';
	}

/**
	 * Add rows to q
	 *
	 * @since  5.3
	 *
	 * @param array $url_files Array of URL file data.
	 * @return false|void False if queue is full.
	 */
	public function add_to_q( $url_files ) {
		// Store it for cron
		$this->_queue = $this->load_queue('ucss');

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

$ua = $this->_get_ua();
		foreach ($url_files as $url_file) {
			$vary        = $url_file['vary'];
			$request_url = $url_file['url'];
			$is_mobile   = $url_file['mobile'];
			$is_webp     = $url_file['webp'];
			$url_tag     = self::get_url_tag($request_url);

$queue_k = (strlen($vary) > 32 ? md5($vary) : $vary) . ' ' . $url_tag;
			$q       = [
				'url'        => apply_filters( 'litespeed_ucss_url', $request_url ),
				'user_agent' => substr( $ua, 0, 200 ),
				'is_mobile'  => $is_mobile,
				'is_webp'    => $is_webp,
				'uid'        => false,
				'vary'       => $vary,
				'url_tag'    => $url_tag,
			]; // Current UA will be used to request

self::debug('Added queue_ucss [url_tag] ' . $url_tag . ' [UA] ' . $ua . ' [vary] ' . $vary . ' [uid] false');
			$this->_queue[$queue_k] = $q;
		}
		$this->save_queue('ucss', $this->_queue);
	}

/**
	 * Generate UCSS
	 *
	 * @since  4.0
	 *
	 * @param bool $keep_going Whether to continue processing.
	 * @return mixed The cron handler result.
	 */
	public static function cron( $keep_going = false ) {
		$_instance = self::cls();
		return $_instance->_cron_handler( $keep_going );
	}

/**
	 * Handle UCSS cron
	 *
	 * @since 4.2
	 *
	 * @param bool $keep_going Whether to continue processing.
	 * @return mixed The redirect result or void.
	 */
	private function _cron_handler( $keep_going ) {
		$this->_queue = $this->load_queue( 'ucss' );

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

// For cron, need to check request interval too
		if ( ! $keep_going ) {
			if (!empty($this->_summary['curr_request']) && time() - $this->_summary['curr_request'] < 300 && !$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']);

if (!isset($v['is_webp'])) {
				$v['is_webp'] = false;
			}

++$i;
			$res = $this->_send_req($v['url'], $k, $v['uid'], $v['user_agent'], $v['vary'], $v['url_tag'], $v['is_mobile'], $v['is_webp']);
			if (!$res) {
				// Status is wrong, drop this this->_queue
				$this->_queue = $this->load_queue('ucss');
				unset($this->_queue[$k]);
				$this->save_queue('ucss', $this->_queue);

if ( ! $keep_going ) {
					return;
				}

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

continue;
			}

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

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

// only request first one
			if ( ! $keep_going ) {
				return;
			}

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

/**
	 * Send to QC API to generate UCSS
	 *
	 * @since  2.3
	 * @access private
	 *
	 * @param string    $request_url The request URL.
	 * @param string    $queue_k     The queue key.
	 * @param int|false $uid         The user ID.
	 * @param string    $user_agent  The user agent.
	 * @param string    $vary        The vary string.
	 * @param string    $url_tag     The URL tag.
	 * @param bool      $is_mobile   Whether is mobile.
	 * @param bool      $is_webp     Whether supports webp.
	 * @return string|bool|null The result status.
	 */
	private function _send_req( $request_url, $queue_k, $uid, $user_agent, $vary, $url_tag, $is_mobile, $is_webp ) {
		// Check if has credit to push or not
		$err       = false;
		$allowance = $this->cls('Cloud')->allowance(Cloud::SVC_UCSS, $err);
		if (!$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
		$this->_summary['curr_request'] = time();
		self::save_summary();

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

if (!$html) {
			return false;
		}

// Parse HTML to gather all CSS content before requesting
		$css             = false;
		list(, $html)    = $this->prepare_css($html, $is_webp, true); // Use this to drop CSS from HTML as we don't need those CSS to generate UCSS
		$filename        = $this->cls('Data')->load_url_file($url_tag, $vary, 'css');
		$filepath_prefix = $this->_build_filepath_prefix('css');
		$static_file     = LITESPEED_STATIC_DIR . $filepath_prefix . $filename . '.css';
		self::debug('Checking combined file ' . $static_file);
		if (file_exists($static_file)) {
			$css = File::read($static_file);
		}

if (!$css) {
			self::debug('❌ No combined 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
			'is_webp'    => $is_webp ? 1 : 0,
			'html'       => $html,
			'css'        => $css,
		];
		if (!isset($this->_ucss_whitelist)) {
			$this->_ucss_whitelist = $this->_filter_whitelist();
		}
		$data['whitelist'] = $this->_ucss_whitelist;

self::debug('Generating: ', $data);

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

// Old version compatibility
		if (empty($json['status'])) {
			if (!empty($json['ucss'])) {
				$this->_save_con('ucss', $json['ucss'], $queue_k, $is_mobile, $is_webp);
			}

// Delete the row
			return false;
		}

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

// Save summary data
		$this->_summary['last_spent']   = time() - $this->_summary['curr_request'];
		$this->_summary['last_request'] = $this->_summary['curr_request'];
		$this->_summary['curr_request'] = 0;
		self::save_summary();

return true;
	}

/**
	 * Save UCSS content
	 *
	 * @since 4.2
	 *
	 * @param string $type      The content type.
	 * @param string $css       The CSS content.
	 * @param string $queue_k   The queue key.
	 * @param bool   $is_mobile Whether is mobile.
	 * @param bool   $is_webp   Whether supports webp.
	 */
	private function _save_con( $type, $css, $queue_k, $is_mobile, $is_webp ) {
		// Add filters
		$css = apply_filters('litespeed_' . $type, $css, $queue_k);
		// Sanitize: CSS must not contain HTML tags
		$css = wp_strip_all_tags( $css );
		self::debug2('con: ', $css);

if ( '/*' === substr( $css, 0, 2 ) && '*/' === substr( $css, -2 ) ) {
			self::debug('❌ empty ' . $type . ' [content] ' . $css);
			// continue; // Save the error info too
		}

// Write to file
		$filecon_md5 = md5($css);

$filepath_prefix = $this->_build_filepath_prefix($type);
		$static_file     = LITESPEED_STATIC_DIR . $filepath_prefix . $filecon_md5 . '.css';

File::save($static_file, $css, true);

$url_tag = $this->_queue[$queue_k]['url_tag'];
		$vary    = $this->_queue[$queue_k]['vary'];
		self::debug2("Save URL to file [file] $static_file [vary] $vary");

$this->cls('Data')->save_url($url_tag, $vary, $type, $filecon_md5, dirname($static_file), $is_mobile, $is_webp);

Purge::add(strtoupper($type) . '.' . md5($queue_k));
	}

/**
	 * Prepare CSS from HTML for CCSS generation only. UCSS will used combined CSS directly.
	 * Prepare refined HTML for both CCSS and UCSS.
	 *
	 * @since  3.4.3
	 *
	 * @param string $html    The HTML content.
	 * @param bool   $is_webp Whether supports webp.
	 * @param bool   $dryrun  Whether to run in dry mode.
	 * @return array Array of CSS and HTML.
	 */
	public function prepare_css( $html, $is_webp = false, $dryrun = false ) {
		$css = '';
		preg_match_all('#<link ([^>]+)/?>|<style([^>]*)>([^<]+)</style>#isU', $html, $matches, PREG_SET_ORDER);
		foreach ($matches as $match) {
			$debug_info = '';
			if (strpos($match[0], '<link') === 0) {
				$attrs = Utility::parse_attr($match[1]);

if (empty($attrs['rel'])) {
					continue;
				}

if ( 'stylesheet' !== $attrs['rel'] ) {
					if ( 'preload' !== $attrs['rel'] || empty( $attrs['as'] ) || 'style' !== $attrs['as'] ) {
						continue;
					}
				}

if (!empty($attrs['media']) && strpos($attrs['media'], 'print') !== false) {
					continue;
				}

if (empty($attrs['href'])) {
					continue;
				}

// Check Google fonts hit
				if (strpos($attrs['href'], 'fonts.googleapis.com') !== false) {
					$html = str_replace($match[0], '', $html);
					continue;
				}

$debug_info = $attrs['href'];

// Load CSS content
				if (!$dryrun) {
					// Dryrun will not load CSS but just drop them
					$con = $this->cls('Optimizer')->load_file($attrs['href']);
					if (!$con) {
						continue;
					}
				} else {
					$con = '';
				}
			} else {
				// Inline style
				$attrs = Utility::parse_attr($match[2]);

if (!empty($attrs['media']) && strpos($attrs['media'], 'print') !== false) {
					continue;
				}

Debug2::debug2('[CSS] Load inline CSS ' . substr($match[3], 0, 100) . '...', $attrs);
				$con = $match[3];

$debug_info = '__INLINE__';
			}

$con = Optimizer::minify_css($con);
			if ($is_webp && $this->cls('Media')->webp_support()) {
				$con = $this->cls('Media')->replace_background_webp($con);
			}

if ( ! empty( $attrs['media'] ) && 'all' !== $attrs['media'] ) {
				$con = '@media ' . $attrs['media'] . '{' . $con . "}\n";
			} else {
				$con = $con . "\n";
			}

$con  = '/* ' . $debug_info . ' */' . $con;
			$css .= $con;

$html = str_replace($match[0], '', $html);
		}

return [ $css, $html ];
	}

/**
	 * Filter the comment content, add quotes to selector from whitelist. Return the json
	 *
	 * @since 3.3
	 */
	private function _filter_whitelist() {
		$whitelist = [];
		$list      = apply_filters('litespeed_ucss_whitelist', $this->conf(self::O_OPTM_UCSS_SELECTOR_WHITELIST));
		foreach ($list as $k => $v) {
			if (substr($v, 0, 2) === '//') {
				continue;
			}
			$whitelist[] = $v;
		}

return $whitelist;
	}

/**
	 * Notify finished from server
	 *
	 * @since 5.1
	 */
	public function notify() {
		$post_data = \json_decode( file_get_contents( 'php://input' ), true );
		if ( is_null( $post_data ) ) {
			// phpcs:ignore WordPress.Security.NonceVerification.Missing -- This is a callback from QUIC.cloud, verified by extract_msg()
			$post_data = $_POST;
		}
		self::debug('notify() data', $post_data);

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

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

$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;
			}

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

// Save data
			if (!empty($v['data_ucss'])) {
				$is_mobile = $this->_queue[$v['queue_k']]['is_mobile'];
				$is_webp   = $this->_queue[$v['queue_k']]['is_webp'];
				$this->_save_con('ucss', $v['data_ucss'], $v['queue_k'], $is_mobile, $is_webp);

++$valid_i;
			}

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

self::debug('notified');

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

/**
	 * Handle all request actions from main cls
	 *
	 * @since  2.3
	 * @access public
	 */
	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('ucss');
				break;

default:
				break;
		}

Admin::redirect();
	}
}