AlkantarClanX12
Your IP : 3.147.104.18
<?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;
}
}