golden hour

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

File/Folder	Size	Actions
activation.cls.php	14.99 KB
admin-display.cls.php	33.22 KB
admin-settings.cls.php	9.52 KB
admin.cls.php	4.44 KB
api.cls.php	11.08 KB
avatar.cls.php	6.06 KB
base.cls.php	30.23 KB
cdn	-
cdn-setup.cls.php	10.45 KB
cdn.cls.php	13.13 KB
cloud.cls.php	42.48 KB
conf.cls.php	18.58 KB
control.cls.php	21.75 KB
core.cls.php	20.05 KB
crawler-map.cls.php	14 KB
crawler.cls.php	34.69 KB
css.cls.php	13.1 KB
data.cls.php	17.41 KB
data.upgrade.func.php	21.37 KB
data_structure	-
db-optm.cls.php	9.58 KB
debug2.cls.php	13.1 KB
doc.cls.php	4.74 KB
error.cls.php	6.91 KB
esi.cls.php	26.91 KB
file.cls.php	10.13 KB
gui.cls.php	27.45 KB
health.cls.php	2.89 KB
htaccess.cls.php	23.95 KB
img-optm.cls.php	60.24 KB
import.cls.php	4.15 KB
instance.cls.php	154 B
lang.cls.php	15.47 KB
localization.cls.php	3.38 KB
media.cls.php	31.08 KB
metabox.cls.php	4.21 KB
object-cache.cls.php	15.92 KB
object.lib.php	33.97 KB
optimize.cls.php	36.67 KB
optimizer.cls.php	9.02 KB
placeholder.cls.php	14.15 KB
preset.cls.php	5.43 KB
purge.cls.php	29.79 KB
report.cls.php	5.33 KB
rest.cls.php	7.87 KB
root.cls.php	12.6 KB
router.cls.php	19.08 KB
str.cls.php	1.37 KB
tag.cls.php	8.62 KB
task.cls.php	5.83 KB
tool.cls.php	3.29 KB
ucss.cls.php	14.39 KB
utility.cls.php	20.63 KB
vary.cls.php	19.17 KB
vpi.cls.php	7.41 KB

Edit: css.cls.php

<?php

/**
 * The optimize css class.
 *
 * @since      	2.3
 */

namespace LiteSpeed;

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

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

const TYPE_GEN_CCSS = 'gen_ccss';
	const TYPE_CLEAR_Q_CCSS = 'clear_q_ccss';

protected $_summary;
	private $_queue;
	private $_endts;

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

/**
	 * HTML lazyload CSS
	 * @since 4.0
	 */
	public function prepare_html_lazy()
	{
		return '<style>' . implode(',', $this->conf(self::O_OPTM_HTML_LAZY)) . '{content-visibility:auto;contain-intrinsic-size:1px 1000px;}</style>';
	}

/**
	 * Output critical css
	 *
	 * @since  1.3
	 * @access public
	 */
	public function prepare_ccss()
	{
		// Get critical css for current page
		// Note: need to consider mobile
		$rules = $this->_ccss();
		if (!$rules) {
			return null;
		}

$error_tag = '';
		if (substr($rules, 0, 2) == '/*' && substr($rules, -2) == '*/') {
			Core::comment('QUIC.cloud CCSS bypassed due to generation error ❌');
			$error_tag = ' data-error="failed to generate"';
		}

// Append default critical css
		$rules .= $this->conf(self::O_OPTM_CCSS_CON);

return '<style id="litespeed-ccss"' . $error_tag . '>' . $rules . '</style>';
	}

/**
	 * Generate CCSS url tag
	 *
	 * @since 4.0
	 */
	private function _gen_ccss_file_tag($request_url)
	{
		if (is_404()) {
			return '404';
		}

if ($this->conf(self::O_OPTM_CCSS_PER_URL)) {
			return $request_url;
		}

$sep_uri = $this->conf(self::O_OPTM_CCSS_SEP_URI);
		if ($sep_uri && ($hit = Utility::str_hit_array($request_url, $sep_uri))) {
			Debug2::debug('[CCSS] Separate CCSS due to separate URI setting: ' . $hit);
			return $request_url;
		}

$pt = Utility::page_type();

$sep_pt = $this->conf(self::O_OPTM_CCSS_SEP_POSTTYPE);
		if (in_array($pt, $sep_pt)) {
			Debug2::debug('[CCSS] Separate CCSS due to posttype setting: ' . $pt);
			return $request_url;
		}

// Per posttype
		return $pt;
	}

/**
	 * The critical css content of the current page
	 *
	 * @since  2.3
	 */
	private function _ccss()
	{
		global $wp;
		$request_url = home_url($wp->request);

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

if (file_exists($static_file)) {
				Debug2::debug2('[CSS] existing ccss ' . $static_file);
				Core::comment('QUIC.cloud CCSS loaded ✅ ' . $filepath_prefix . $filename . '.css');
				return File::read($static_file);
			}
		}

$uid = get_current_user_id();

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

// Store it to prepare for cron
		Core::comment('QUIC.cloud CCSS in queue');
		$this->_queue = $this->load_queue('ccss');

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

$queue_k = (strlen($vary) > 32 ? md5($vary) : $vary) . ' ' . $url_tag;
		$this->_queue[$queue_k] = array(
			'url' => apply_filters('litespeed_ccss_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('ccss', $this->_queue);
		self::debug('Added queue_ccss [url_tag] ' . $url_tag . ' [UA] ' . $ua . ' [vary] ' . $vary . ' [uid] ' . $uid);

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

// For v4.1- clean up
		if (isset($this->_summary['ccss_type_history']) || isset($this->_summary['ccss_history']) || isset($this->_summary['queue_ccss'])) {
			if (isset($this->_summary['ccss_type_history'])) {
				unset($this->_summary['ccss_type_history']);
			}
			if (isset($this->_summary['ccss_history'])) {
				unset($this->_summary['ccss_history']);
			}
			if (isset($this->_summary['queue_ccss'])) {
				unset($this->_summary['queue_ccss']);
			}
			self::save_summary();
		}

return null;
	}

/**
	 * Cron ccss generation
	 *
	 * @since  2.3
	 * @access private
	 */
	public static function cron_ccss($continue = false)
	{
		$_instance = self::cls();
		return $_instance->_cron_handler('ccss', $continue);
	}

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

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

$type_tag = strtoupper($type);

// For cron, need to check request interval too
		if (!$continue) {
			if (!empty($this->_summary['curr_request_' . $type]) && time() - $this->_summary['curr_request_' . $type] < 300 && !$this->conf(self::O_DEBUG)) {
				Debug2::debug('[' . $type_tag . '] Last request not done');
				return;
			}
		}

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

if (function_exists('set_time_limit')) {
				$this->_endts += 120;
				set_time_limit(120);
			}
			if ($this->_endts - time() < 10) {
				// self::debug("🚨 End loop due to timeout limit reached " . $timeoutLimit . "s");
				// return;
			}

Debug2::debug('[' . $type_tag . '] cron job [tag] ' . $k . ' [url] ' . $v['url'] . ($v['is_mobile'] ? ' 📱 ' : '') . ' [UA] ' . $v['user_agent']);

if ($type == 'ccss' && empty($v['url_tag'])) {
				unset($this->_queue[$k]);
				$this->save_queue($type, $this->_queue);
				Debug2::debug('[CCSS] wrong queue_ccss format');
				continue;
			}

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'], $type, $v['is_mobile'], $v['is_webp']);
			if (!$res) {
				// Status is wrong, drop this this->_queue
				unset($this->_queue[$k]);
				$this->save_queue($type, $this->_queue);

if (!$continue) {
					return;
				}

if ($i > 3) {
					GUI::print_loading(count($this->_queue), $type_tag);
					return Router::self_redirect(Router::ACTION_CSS, CSS::TYPE_GEN_CCSS);
				}

continue;
			}

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

$this->_queue[$k]['_status'] = 'requested';
			$this->save_queue($type, $this->_queue);

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

if ($i > 3) {
				GUI::print_loading(count($this->_queue), $type_tag);
				return Router::self_redirect(Router::ACTION_CSS, CSS::TYPE_GEN_CCSS);
			}
		}
	}

/**
	 * Send to QC API to generate CCSS/UCSS
	 *
	 * @since  2.3
	 * @access private
	 */
	private function _send_req($request_url, $queue_k, $uid, $user_agent, $vary, $url_tag, $type, $is_mobile, $is_webp)
	{
		// Check if has credit to push or not
		$err = false;
		$allowance = $this->cls('Cloud')->allowance(Cloud::SVC_CCSS, $err);
		if (!$allowance) {
			Debug2::debug('[CCSS] ❌ No credit: ' . $err);
			$err && Admin_Display::error(Error::msg($err));
			return 'out_of_quota';
		}

// Update css request status
		$this->_summary['curr_request_' . $type] = time();
		self::save_summary();

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

if (!$html) {
			return false;
		}

// Parse HTML to gather all CSS content before requesting
		list($css, $html) = $this->prepare_css($html, $is_webp);

if (!$css) {
			Debug2::debug('[UCSS] ❌ No combined css');
			return false;
		}

// Generate critical css
		$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,
		);

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

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

// Old version compatibility
		if (empty($json['status'])) {
			if (!empty($json[$type])) {
				$this->_save_con($type, $json[$type], $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_' . $type] = time() - $this->_summary['curr_request_' . $type];
		$this->_summary['last_request_' . $type] = $this->_summary['curr_request_' . $type];
		$this->_summary['curr_request_' . $type] = 0;
		self::save_summary();

return true;
	}

/**
	 * Save CCSS/UCSS content
	 *
	 * @since 4.2
	 */
	private function _save_con($type, $css, $queue_k, $mobile, $webp)
	{
		// Add filters
		$css = apply_filters('litespeed_' . $type, $css, $queue_k);
		Debug2::debug2('[CSS] 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'];
		Debug2::debug2("[CSS] Save URL to file [file] $static_file [vary] $vary");

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

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

/**
	 * Play for fun
	 *
	 * @since  3.4.3
	 */
	public function test_url($request_url)
	{
		$user_agent = $_SERVER['HTTP_USER_AGENT'];
		$html = $this->prepare_html($request_url, $user_agent);
		list($css, $html) = $this->prepare_css($html, true, true);
		// var_dump( $css );
		// 		$html = <<<EOT

// EOT;

// 		$css = <<<EOT

// EOT;
		$data = array(
			'url' => $request_url,
			'ccss_type' => 'test',
			'user_agent' => $user_agent,
			'is_mobile' => 0,
			'html' => $html,
			'css' => $css,
			'type' => 'CCSS',
		);

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

$json = Cloud::post(Cloud::SVC_CCSS, $data, 180);

var_dump($json);
	}

/**
	 * Prepare HTML from URL
	 *
	 * @since  3.4.3
	 */
	public function prepare_html($request_url, $user_agent, $uid = false)
	{
		$html = $this->cls('Crawler')->self_curl(add_query_arg('LSCWP_CTRL', 'before_optm', $request_url), $user_agent, $uid);
		Debug2::debug2('[CSS] self_curl result....', $html);

if (!$html) {
			return false;
		}

$html = $this->cls('Optimizer')->html_min($html, true);
		// Drop <noscript>xxx</noscript>
		$html = preg_replace('#<noscript>.*</noscript>#isU', '', $html);

return $html;
	}

/**
	 * 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);
	}

/**
	 * 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_CCSS:
				self::cron_ccss(true);
				break;

case self::TYPE_CLEAR_Q_CCSS:
				$this->clear_q('ccss');
				break;

default:
				break;
		}

Admin::redirect();
	}
}