WIBUHAX0R1337

- WIBUHAX0R1337 -

/home/coludnqa/rohihbs.com/wp-content/plugins/litespeed-cache/src/ [ Home ]

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<?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();
	}
}

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data_structure	--	NONE
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admin-display.cls.php	48.119KB	Edit File Delete File Rename
admin-settings.cls.php	11.116KB	Edit File Delete File Rename
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conf.cls.php	19.53KB	Edit File Delete File Rename
control.cls.php	24.349KB	Edit File Delete File Rename
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img-optm.cls.php	65.13KB	Edit File Delete File Rename
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import.preset.cls.php	5.501KB	Edit File Delete File Rename
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localization.cls.php	3.439KB	Edit File Delete File Rename
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metabox.cls.php	5.316KB	Edit File Delete File Rename
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purge.cls.php	33.95KB	Edit File Delete File Rename
report.cls.php	6.119KB	Edit File Delete File Rename
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tool.cls.php	4.217KB	Edit File Delete File Rename
ucss.cls.php	14.374KB	Edit File Delete File Rename
utility.cls.php	21.763KB	Edit File Delete File Rename
vary.cls.php	20.201KB	Edit File Delete File Rename
vpi.cls.php	9.363KB	Edit File Delete File Rename