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/ucss.cls.php (14719B)

<?php
// phpcs:ignoreFile

/**
 * The ucss class.
 *
 * @since       5.1
 */

namespace LiteSpeed;

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

class UCSS extends Base {

const LOG_TAG = '[UCSS]';

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

protected $_summary;
	private $_ucss_whitelist;
	private $_queue;

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

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

/**
	 * Uniform url tag for ucss usage
	 *
	 * @since 4.7
	 */
	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
	 */
	public function load( $request_url, $dry_run = false ) {
		// Check UCSS URI excludes
		$ucss_exc = apply_filters('litespeed_ucss_exc', $this->conf(self::O_OPTM_UCSS_EXC));
		if ($ucss_exc && ($hit = Utility::str_hit_array($request_url, $ucss_exc))) {
			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] = array(
			'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
	 */
	private function _get_ua() {
		return !empty($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
	}

/**
	 * Add rows to q
	 *
	 * @since  5.3
	 */
	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       = array(
				'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
	 */
	public static function cron( $continue = false ) {
		$_instance = self::cls();
		return $_instance->_cron_handler($continue);
	}

/**
	 * Handle UCSS cron
	 *
	 * @since 4.2
	 */
	private function _cron_handler( $continue ) {
		$this->_queue = $this->load_queue('ucss');

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

// For cron, need to check request interval too
		if (!$continue) {
			if (!empty($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 (!$continue) {
					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 ($res === 'out_of_quota' || $res === 'svc_hot') {
				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 (!$continue) {
				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
	 */
	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 = array(
			'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 ($json['status'] != 'queued') {
			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
	 */
	private function _save_con( $type, $css, $queue_k, $is_mobile, $is_webp ) {
		// Add filters
		$css = apply_filters('litespeed_' . $type, $css, $queue_k);
		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
	 */
	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 ($attrs['rel'] != 'stylesheet') {
					if ($attrs['rel'] != 'preload' || empty($attrs['as']) || $attrs['as'] != 'style') {
						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']) && $attrs['media'] !== 'all') {
				$con = '@media ' . $attrs['media'] . '{' . $con . "}\n";
			} else {
				$con = $con . "\n";
			}

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

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

return array( $css, $html );
	}

/**
	 * Filter the comment content, add quotes to selector from whitelist. Return the json
	 *
	 * @since 3.3
	 */
	private function _filter_whitelist() {
		$whitelist = array();
		$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;
			}
			// Wrap in quotes for selectors
			if (substr($v, 0, 1) !== '/' && strpos($v, '"') === false && strpos($v, "'") === false) {
				// $v = "'$v'";
			}
			$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)) {
			$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(array( '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();
	}
}

cmd: