AlkantarClanX12
Current Path : /home/thanudqk/public_html/wp-content/plugins/litespeed-cache/lib/ |
Current File : //home/thanudqk/public_html/wp-content/plugins/litespeed-cache/lib/guest.cls.php |
<?php namespace LiteSpeed\Lib; /** * Update guest vary * * @since 4.1 */ class Guest { const CONF_FILE = '.litespeed_conf.dat'; const HASH = 'hash'; // Not set-able const O_CACHE_LOGIN_COOKIE = 'cache-login_cookie'; const O_DEBUG = 'debug'; const O_DEBUG_IPS = 'debug-ips'; const O_UTIL_NO_HTTPS_VARY = 'util-no_https_vary'; const O_GUEST_UAS = 'guest_uas'; const O_GUEST_IPS = 'guest_ips'; private static $_ip; private static $_vary_name = '_lscache_vary'; // this default vary cookie is used for logged in status check private $_conf = false; /** * Constructor * * @since 4.1 */ public function __construct() { !defined('LSCWP_CONTENT_FOLDER') && define('LSCWP_CONTENT_FOLDER', dirname(dirname(dirname(__DIR__)))); // Load config $this->_conf = file_get_contents(LSCWP_CONTENT_FOLDER . '/' . self::CONF_FILE); if ($this->_conf) { $this->_conf = json_decode($this->_conf, true); } if (!empty($this->_conf[self::O_CACHE_LOGIN_COOKIE])) { self::$_vary_name = $this->_conf[self::O_CACHE_LOGIN_COOKIE]; } } /** * Update Guest vary * * @since 4.0 */ public function update_guest_vary() { // This process must not be cached /** * @reference https://wordpress.org/support/topic/soft-404-from-google-search-on-litespeed-cache-guest-vary-php/#post-16838583 */ header('X-Robots-Tag: noindex'); header('X-LiteSpeed-Cache-Control: no-cache'); if ($this->always_guest()) { echo '[]'; exit; } // If contains vary already, don't reload to avoid infinite loop when parent page having browser cache if ($this->_conf && self::has_vary()) { echo '[]'; exit; } // Send vary cookie $vary = 'guest_mode:1'; if ($this->_conf && empty($this->_conf[self::O_DEBUG])) { $vary = md5($this->_conf[self::HASH] . $vary); } $expire = time() + 2 * 86400; $is_ssl = !empty($this->_conf[self::O_UTIL_NO_HTTPS_VARY]) ? false : $this->is_ssl(); setcookie(self::$_vary_name, $vary, $expire, '/', false, $is_ssl, true); // return json echo json_encode(array('reload' => 'yes')); exit; } /** * WP's is_ssl() func * * @since 4.1 */ private function is_ssl() { if (isset($_SERVER['HTTPS'])) { if ('on' === strtolower($_SERVER['HTTPS'])) { return true; } if ('1' == $_SERVER['HTTPS']) { return true; } } elseif (isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'])) { return true; } return false; } /** * Check if default vary has a value * * @since 1.1.3 * @access public */ public static function has_vary() { if (empty($_COOKIE[self::$_vary_name])) { return false; } return $_COOKIE[self::$_vary_name]; } /** * Detect if is a guest visitor or not * * @since 4.0 */ public function always_guest() { if (empty($_SERVER['HTTP_USER_AGENT'])) { return false; } if ($this->_conf[self::O_GUEST_UAS]) { $quoted_uas = array(); foreach ($this->_conf[self::O_GUEST_UAS] as $v) { $quoted_uas[] = preg_quote($v, '#'); } $match = preg_match('#' . implode('|', $quoted_uas) . '#i', $_SERVER['HTTP_USER_AGENT']); if ($match) { return true; } } if ($this->ip_access($this->_conf[self::O_GUEST_IPS])) { return true; } return false; } /** * Check if the ip is in the range * * @since 1.1.0 * @access public */ public function ip_access($ip_list) { if (!$ip_list) { return false; } if (!isset(self::$_ip)) { self::$_ip = self::get_ip(); } // $uip = explode('.', $_ip); // if(empty($uip) || count($uip) != 4) Return false; // foreach($ip_list as $key => $ip) $ip_list[$key] = explode('.', trim($ip)); // foreach($ip_list as $key => $ip) { // if(count($ip) != 4) continue; // for($i = 0; $i <= 3; $i++) if($ip[$i] == '*') $ip_list[$key][$i] = $uip[$i]; // } return in_array(self::$_ip, $ip_list); } /** * Get client ip * * @since 1.1.0 * @since 1.6.5 changed to public * @access public * @return string */ public static function get_ip() { $_ip = ''; if (function_exists('apache_request_headers')) { $apache_headers = apache_request_headers(); $_ip = !empty($apache_headers['True-Client-IP']) ? $apache_headers['True-Client-IP'] : false; if (!$_ip) { $_ip = !empty($apache_headers['X-Forwarded-For']) ? $apache_headers['X-Forwarded-For'] : false; $_ip = explode(',', $_ip); $_ip = $_ip[0]; } } if (!$_ip) { $_ip = !empty($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : false; } return $_ip; } }