Файловый менеджер - Редактировать - /home/adiggxhn/chamba.lat/wp-content848/plugins/litespeed-cache/src/vpi.cls.php
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<?php /** * The viewport image (VPI) class. * * Handles discovering above-the-fold images for posts/pages and stores the * viewport image list per post (desktop & mobile). Coordinates with the * remote service via queue + cron + webhook notify. * * @since 4.7 * @package LiteSpeed */ namespace LiteSpeed; defined( 'WPINC' ) || exit(); /** * Generate and manage ViewPort Images (VPI) for pages. */ class VPI extends Base { /** * Log tag for debug output. * * @var string */ const LOG_TAG = '[VPI]'; /** * Action types. * * @var string */ const TYPE_GEN = 'gen'; const TYPE_CLEAR_Q = 'clear_q'; /** * VPI Desktop Meta name. * * @since 7.6 * @var string */ const POST_META = 'litespeed_vpi_list'; /** * VPI Mobile Meta name. * * @since 7.6 * @var string */ const POST_META_MOBILE = 'litespeed_vpi_list_mobile'; /** * Summary values persisted between requests (timings, last runs, etc). * * @var array */ protected $_summary; /** * In-memory working queue for VPI jobs. * * @var array */ private $_queue; /** * Init. * * @since 4.7 */ public function __construct() { $this->_summary = self::get_summary(); } /** * Queue the current page for VPI generation. * * @since 4.7 * @return void */ public function add_to_queue() { $is_mobile = $this->_separate_mobile(); global $wp; $request_url = home_url( $wp->request ); if ( ! apply_filters( 'litespeed_vpi_should_queue', true, $request_url ) ) { return; } // Sanitize user agent coming from the server superglobal. $ua = ! empty( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_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; } $home_id = (int) get_option( 'page_for_posts' ); if ( ! is_singular() && ! ( $home_id > 0 && is_home() ) ) { self::debug( 'not single post ID' ); return; } $post_id = is_home() ? $home_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 ] = [ 'url' => apply_filters( 'litespeed_vpi_url', $request_url ), 'post_id' => $post_id, 'user_agent' => substr( $ua, 0, 200 ), 'is_mobile' => $is_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 ) ); } /** * Handle finish notifications from remote service. * * Expects JSON body; falls back to $_POST for legacy callers. * * @since 4.7 * @return array Response object for the cloud layer. */ public function notify() { // phpcs:ignore WordPress.Security.NonceVerification.Missing $post_data = \json_decode( file_get_contents( 'php://input' ), true ); if ( is_null( $post_data ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing $post_data = $_POST; } self::debug( 'notify() data', $post_data ); $this->_queue = $this->load_queue( 'vpi' ); 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 it's 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 = $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 = (int) $this->_queue[ $queue_k ]['post_id']; $name = ! empty( $v['is_mobile'] ) ? self::POST_META_MOBILE : self::POST_META; $urldecode = is_array( $v['data_vpi'] ) ? array_map( 'urldecode', $v['data_vpi'] ) : urldecode( $v['data_vpi'] ); self::debug( 'save data_vpi', $urldecode ); $this->cls( 'Metabox' )->save( $post_id, $name, $urldecode ); ++$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( [ 'count' => $valid_i ] ); } /** * Cron entry point. * * @since 4.7 * * @param bool $do_continue Continue processing multiple queue items within one cron tick. * @return mixed Result of the handler. */ public static function cron( $do_continue = false ) { $_instance = self::cls(); return $_instance->_cron_handler( $do_continue ); } /** * Cron queue processor. * * @since 4.7 * * @param bool $do_continue Continue processing multiple queue items within one cron tick. * @return void */ private function _cron_handler( $do_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 ( ! $do_continue ) { if ( ! empty( $this->_summary['curr_request_vpi'] ) && time() - (int) $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 item from queue. $this->_queue = $this->load_queue( 'vpi' ); unset( $this->_queue[ $k ] ); $this->save_queue( 'vpi', $this->_queue ); if ( ! $do_continue ) { return; } GUI::print_loading( count( $this->_queue ), 'VPI' ); Router::self_redirect( Router::ACTION_VPI, self::TYPE_GEN ); return; } // Exit queue if out of quota or service is hot. if ( 'out_of_quota' === $res || 'svc_hot' === $res ) { 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 not continuing. if ( ! $do_continue ) { return; } GUI::print_loading( count( $this->_queue ), 'VPI' ); Router::self_redirect( Router::ACTION_VPI, self::TYPE_GEN ); return; } } /** * Send request to QUIC.cloud API to generate VPI. * * @since 4.7 * @access private * * @param string $request_url The URL to analyze for VPI. * @param string $queue_k Queue key for this job. * @param string $user_agent Sanitized User-Agent string (<=200 chars). * @param bool $is_mobile Whether the job is for mobile viewport. * @return bool|string True on queued successfully, 'out_of_quota'/'svc_hot' on throttling, or false on error. */ 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 request status. self::save_summary( [ '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 CSS content before requesting. $css = false; list( $css, $html ) = $this->cls( 'CSS' )->prepare_css( $html ); if ( ! $css ) { self::debug( '❌ No 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. 'html' => $html, 'css' => $css, ]; self::debug( 'Generating: ', $data ); $json = Cloud::post( $svc, $data, 30 ); if ( ! is_array( $json ) ) { return $json; } // Unknown status, remove this line. if ( 'queued' !== $json['status'] ) { return false; } // Save summary data. self::reload_summary(); $this->_summary['last_spent_vpi'] = time() - (int) $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 controller. * * @since 4.7 * @return void */ 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(); } }
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