whoami7 - Manager
:
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proc
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self
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root
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usr
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src
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litespeed-wp-plugin
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6.0.0.1
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litespeed-cache
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src
/
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files >> //proc/self/root/usr/src/litespeed-wp-plugin/6.0.0.1/litespeed-cache/src/vpi.cls.php
<?php /** * The viewport image class. * * @since 4.7 */ namespace LiteSpeed; defined('WPINC') || exit(); class VPI extends Base { const LOG_TAG = '[VPI]'; const TYPE_GEN = 'gen'; const TYPE_CLEAR_Q = 'clear_q'; protected $_summary; private $_queue; /** * Init * * @since 4.7 */ public function __construct() { $this->_summary = self::get_summary(); } /** * The VPI content of the current page * * @since 4.7 */ public function add_to_queue() { $is_mobile = $this->_separate_mobile(); global $wp; $request_url = home_url($wp->request); $ua = !empty($_SERVER['HTTP_USER_AGENT']) ? $_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; } $home_id = get_option('page_for_posts'); if (!is_singular() && !($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] = array( 'url' => apply_filters('litespeed_vpi_url', $request_url), 'post_id' => $post_id, 'user_agent' => substr($ua, 0, 200), 'is_mobile' => $this->_separate_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)); return null; } /** * Notify finished from server * @since 4.7 */ 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 = $this->load_queue('vpi'); // Validate key if (empty($post_data['domain_key']) || $post_data['domain_key'] !== md5($this->conf(self::O_API_KEY))) { self::debug('❌ notify wrong key'); self::save_summary(array('notify_ts_err' => time())); return Cloud::err('wrong_key'); } 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 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; } // $queue_k = ( $is_mobile ? 'mobile' : '' ) . ' ' . $v[ 'request_url' ]; $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 = $this->_queue[$queue_k]['post_id']; $name = !empty($v['is_mobile']) ? 'litespeed_vpi_list_mobile' : 'litespeed_vpi_list'; $urldecode = is_array($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(array('count' => $valid_i)); } /** * Cron * * @since 4.7 */ public static function cron($continue = false) { $_instance = self::cls(); return $_instance->_cron_handler($continue); } /** * Cron generation * * @since 4.7 */ private function _cron_handler($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 (!$continue) { if (!empty($this->_summary['curr_request_vpi']) && time() - $this->_summary['curr_request_vpi'] < 300 && !$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 this->_queue $this->_queue = $this->load_queue('vpi'); unset($this->_queue[$k]); $this->save_queue('vpi', $this->_queue); if (!$continue) { return; } // if ( $i > 3 ) { GUI::print_loading(count($this->_queue), 'VPI'); return Router::self_redirect(Router::ACTION_VPI, self::TYPE_GEN); // } continue; } // Exit queue if out of quota if ($res === 'out_of_quota') { return; } $this->_queue = $this->load_queue('vpi'); $this->_queue[$k]['_status'] = 'requested'; $this->save_queue('vpi', $this->_queue); self::debug('Saved to queue [k] ' . $k); // only request first one if (!$continue) { return; } // if ( $i > 3 ) { GUI::print_loading(count($this->_queue), 'VPI'); return Router::self_redirect(Router::ACTION_VPI, self::TYPE_GEN); // } } } /** * Send to QC API to generate VPI * * @since 4.7 * @access private */ 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 css request status self::save_summary(array('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 all CSS content before requesting $css = false; list($css, $html) = $this->cls('CSS')->prepare_css($html); if (!$css) { self::debug('❌ No 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 'html' => $html, 'css' => $css, ); self::debug('Generating: ', $data); $json = Cloud::post($svc, $data, 30); if (!is_array($json)) { return false; } // Unknown status, remove this line if ($json['status'] != 'queued') { return false; } // Save summary data self::reload_summary(); $this->_summary['last_spent_vpi'] = time() - $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 cls * * @since 4.7 */ 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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