/home/arranoyd/public_html/wp-content/plugins/litespeed-cache/src/router.cls.php
<?php
/**
* The core plugin router class.
*
* This generate the valid action.
*
* @since 1.1.0
* @since 1.5 Moved into /inc
*/
namespace LiteSpeed;
defined( 'WPINC' ) || exit;
class Router extends Instance
{
protected static $_instance;
const NONCE = 'LSCWP_NONCE';
const ACTION = 'LSCWP_CTRL';
const ACTION_SAVE_HTACCESS = 'save-htaccess';
const ACTION_SAVE_SETTINGS_NETWORK = 'save-settings-network';
const ACTION_DB_OPTM = 'db_optm';
const ACTION_PLACEHOLDER = 'placeholder';
const ACTION_AVATAR = 'avatar';
const ACTION_SAVE_SETTINGS = 'save-settings';
const ACTION_CLOUD = 'cloud';
const ACTION_IMG_OPTM = 'img_optm';
const ACTION_HEALTH = 'health';
const ACTION_CRAWLER = 'crawler';
const ACTION_PURGE = 'purge';
const ACTION_CONF = 'conf';
const ACTION_ACTIVATION = 'activation';
const ACTION_CSS = 'css';
const ACTION_IMPORT = 'import';
const ACTION_REPORT = 'report';
const ACTION_DEBUG2 = 'debug2';
const ACTION_CDN_QUIC = 'cdn_quic';
const ACTION_CDN_CLOUDFLARE = 'cdn_cloudflare';
const TYPE = 'litespeed_type';
private static $_esi_enabled ;
private static $_is_ajax ;
private static $_is_logged_in ;
private static $_ip ;
private static $_action ;
private static $_is_admin_ip ;
private static $_frontend_path ;
/**
* Check if can run optimize
*
* @since 1.3
* @since 2.3.1 Relocated from cdn.cls
* @access public
*/
public static function can_optm()
{
$can = true ;
if ( is_admin() ) {
$can = false ;
}
elseif ( is_feed() ) {
$can = false ;
}
elseif ( is_preview() ) {
$can = false ;
}
elseif ( self::is_ajax() ) {
$can = false ;
}
if ( self::_is_login_page() ) {
Debug2::debug( '[Router] Optm bypassed: login/reg page' ) ;
$can = false ;
}
$can_final = apply_filters( 'litespeed_can_optm', $can ) ;
if ( $can_final != $can ) {
Debug2::debug( '[Router] Optm bypassed: filter' ) ;
}
return $can_final ;
}
/**
* Check referer page to see if its from admin
*
* @since 2.4.2.1
* @access public
*/
public static function from_admin()
{
return ! empty( $_SERVER[ 'HTTP_REFERER' ] ) && strpos( $_SERVER[ 'HTTP_REFERER' ], get_admin_url() ) === 0 ;
}
/**
* Check if it can use CDN replacement
*
* @since 1.2.3
* @since 2.3.1 Relocated from cdn.cls
* @access public
*/
public static function can_cdn()
{
$can = true ;
if ( is_admin() ) {
if ( ! self::is_ajax() ) {
Debug2::debug2( '[Router] CDN bypassed: is not ajax call' ) ;
$can = false ;
}
if ( self::from_admin() ) {
Debug2::debug2( '[Router] CDN bypassed: ajax call from admin' ) ;
$can = false ;
}
}
elseif ( is_feed() ) {
$can = false ;
}
elseif ( is_preview() ) {
$can = false ;
}
/**
* Bypass cron to avoid deregister jq notice `Do not deregister the <code>jquery-core</code> script in the administration area.`
* @since 2.7.2
*/
if ( defined( 'DOING_CRON' ) ) {
$can = false ;
}
/**
* Bypass login/reg page
* @since 1.6
*/
if ( self::_is_login_page() ) {
Debug2::debug( '[Router] CDN bypassed: login/reg page' ) ;
$can = false ;
}
/**
* Bypass post/page link setting
* @since 2.9.8.5
*/
if (
strpos( $_SERVER[ 'REQUEST_URI' ], rest_get_url_prefix() . '/wp/v2/media' ) !== false
&& strpos( $_SERVER[ 'HTTP_REFERER' ], 'wp-admin') !== false
) {
Debug2::debug( '[Router] CDN bypassed: wp-json on admin page' ) ;
$can = false ;
}
$can_final = apply_filters( 'litespeed_can_cdn', $can ) ;
if ( $can_final != $can ) {
Debug2::debug( '[Router] CDN bypassed: filter' ) ;
}
return $can_final ;
}
/**
* Check if is login page or not
*
* @since 2.3.1
* @access protected
*/
protected static function _is_login_page()
{
if ( in_array( $GLOBALS[ 'pagenow' ], array( 'wp-login.php', 'wp-register.php' ), true ) ) {
return true ;
}
return false ;
}
/**
* Crawler simulate role
*
* @since 1.9.1
* @access public
*/
public function is_crawler_role_simulation()
{
if( is_admin() ) {
return ;
}
if ( empty( $_COOKIE[ 'litespeed_role' ] ) || empty( $_COOKIE[ 'litespeed_hash' ] ) ) {
return ;
}
Debug2::debug( '[Router] starting crawler role validation' ) ;
// Check if is from crawler
if ( empty( $_SERVER[ 'HTTP_USER_AGENT' ] ) || strpos( $_SERVER[ 'HTTP_USER_AGENT' ], Crawler::FAST_USER_AGENT ) !== 0 ) {
Debug2::debug( '[Router] user agent not match' ) ;
return ;
}
// Hash validation
$hash = Crawler::get_option( Crawler::ITEM_HASH ) ;
if ( ! $hash || $_COOKIE[ 'litespeed_hash' ] != $hash ) {
Debug2::debug( '[Router] crawler hash not match ' . $_COOKIE[ 'litespeed_hash' ] . ' != ' . $hash ) ;
return ;
}
$role_uid = $_COOKIE[ 'litespeed_role' ] ;
Debug2::debug( '[Router] role simulate litespeed_role uid ' . $role_uid ) ;
wp_set_current_user( $role_uid ) ;
}
/**
* Get user id
*
* @since 1.6.2
*/
public static function get_uid()
{
if ( defined( 'LITESPEED_WP_UID' ) ) {
return LITESPEED_WP_UID ;
}
$user = wp_get_current_user() ;
$user_id = $user->ID ;
Debug2::debug( '[Router] get_uid: ' . $user_id, 3 ) ;
define( 'LITESPEED_WP_UID', $user_id ) ;
return LITESPEED_WP_UID ;
}
/**
* Get user role
*
* @since 1.6.2
*/
public static function get_role( $uid = null )
{
if ( defined( 'LITESPEED_WP_ROLE' ) ) {
return LITESPEED_WP_ROLE ;
}
if ( $uid === null ) {
$uid = self::get_uid() ;
}
$role = false ;
if ( $uid ) {
$user = get_userdata( $uid ) ;
if ( isset( $user->roles ) && is_array( $user->roles ) ) {
$tmp = array_values( $user->roles ) ;
$role = array_shift( $tmp ) ;
}
}
Debug2::debug( '[Router] get_role: ' . $role ) ;
if ( ! $role ) {
return $role ;
// Guest user
Debug2::debug( '[Router] role: guest' ) ;
/**
* Fix double login issue
* The previous user init refactoring didn't fix this bcos this is in login process and the user role could change
* @see https://github.com/litespeedtech/lscache_wp/commit/69e7bc71d0de5cd58961bae953380b581abdc088
* @since 2.9.8 Won't assign const if in login process
*/
if ( substr_compare( wp_login_url(), $GLOBALS[ 'pagenow' ], -strlen( $GLOBALS[ 'pagenow' ] ) ) === 0 ) {
return $role ;
}
}
define( 'LITESPEED_WP_ROLE', $role ) ;
return LITESPEED_WP_ROLE ;
}
/**
* Get frontend path
*
* @since 1.2.2
* @access public
* @return boolean
*/
public static function frontend_path()//todo: move to htaccess.cls ?
{
if ( ! isset( self::$_frontend_path ) ) {
$frontend = rtrim( ABSPATH, '/' ) ; // /home/user/public_html/frontend
// get home path failed. Trac ticket #37668 (e.g. frontend:/blog backend:/wordpress)
if ( ! $frontend ) {
Debug2::debug( '[Router] No ABSPATH, generating from home option' ) ;
$frontend = parse_url( get_option( 'home' ) ) ;
$frontend = ! empty( $frontend[ 'path' ] ) ? $frontend[ 'path' ] : '' ;
$frontend = $_SERVER[ 'DOCUMENT_ROOT' ] . $frontend ;
}
$frontend = realpath( $frontend ) ;
self::$_frontend_path = $frontend ;
}
return self::$_frontend_path ;
}
/**
* Check if ESI is enabled or not
*
* @since 1.2.0
* @access public
* @return boolean
*/
public static function esi_enabled()
{
if ( ! isset( self::$_esi_enabled ) ) {
self::$_esi_enabled = defined( 'LITESPEED_ON' ) && Conf::val( Base::O_ESI ) ;
}
return self::$_esi_enabled ;
}
/**
* Check if crawler is enabled on server level
*
* @since 1.1.1
* @access public
*/
public static function can_crawl()
{
if ( isset( $_SERVER[ 'X-LSCACHE' ] ) && strpos( $_SERVER[ 'X-LSCACHE' ], 'crawler' ) === false ) {
return false;
}
// CLI will bypass this check as crawler library can always do the 428 check
if ( defined( 'LITESPEED_CLI' ) ) {
return true;
}
return true;
}
/**
* Check action
*
* @since 1.1.0
* @access public
* @return string
*/
public static function get_action()
{
if ( ! isset( self::$_action ) ) {
self::$_action = false;
self::get_instance()->verify_action() ;
if ( self::$_action ) {
defined( 'LSCWP_LOG' ) && Debug2::debug( '[Router] LSCWP_CTRL verified: ' . var_export( self::$_action, true ) ) ;
}
}
return self::$_action ;
}
/**
* Check if is logged in
*
* @since 1.1.3
* @access public
* @return boolean
*/
public static function is_logged_in()
{
if ( ! isset( self::$_is_logged_in ) ) {
self::$_is_logged_in = is_user_logged_in() ;
}
return self::$_is_logged_in ;
}
/**
* Check if is ajax call
*
* @since 1.1.0
* @access public
* @return boolean
*/
public static function is_ajax()
{
if ( ! isset( self::$_is_ajax ) ) {
self::$_is_ajax = defined( 'DOING_AJAX' ) && DOING_AJAX ;
}
return self::$_is_ajax ;
}
/**
* Check if is admin ip
*
* @since 1.1.0
* @access public
* @return boolean
*/
public static function is_admin_ip()
{
if ( ! isset( self::$_is_admin_ip ) ) {
$ips = Conf::val( Base::O_DEBUG_IPS ) ;
self::$_is_admin_ip = self::get_instance()->ip_access( $ips ) ;
}
return self::$_is_admin_ip ;
}
/**
* Get type value
*
* @since 1.6
* @access public
*/
public static function verify_type()
{
if ( empty( $_REQUEST[ self::TYPE ] ) ) {
Debug2::debug( '[Router] no type', 2 ) ;
return false ;
}
Debug2::debug( '[Router] parsed type: ' . $_REQUEST[ self::TYPE ], 2 ) ;
return $_REQUEST[ self::TYPE ] ;
}
/**
* Check privilege and nonce for the action
*
* @since 1.1.0
* @access private
*/
private function verify_action()
{
if ( empty( $_REQUEST[ Router::ACTION ] ) ) {
Debug2::debug2( '[Router] LSCWP_CTRL bypassed empty' ) ;
return ;
}
$action = $_REQUEST[ Router::ACTION ] ;
$_is_public_action = false ;
// Each action must have a valid nonce unless its from admin ip and is public action
// Validate requests nonce (from admin logged in page or cli)
if ( ! $this->verify_nonce( $action ) ) {
// check if it is from admin ip
if ( ! $this->is_admin_ip() ) {
Debug2::debug( '[Router] LSCWP_CTRL query string - did not match admin IP: ' . $action ) ;
return ;
}
// check if it is public action
if ( ! in_array( $action, array(
Core::ACTION_QS_NOCACHE,
Core::ACTION_QS_PURGE,
Core::ACTION_QS_PURGE_SINGLE,
Core::ACTION_QS_SHOW_HEADERS,
Core::ACTION_QS_PURGE_ALL,
Core::ACTION_QS_PURGE_EMPTYCACHE,
) ) ) {
Debug2::debug( '[Router] LSCWP_CTRL query string - did not match admin IP Actions: ' . $action ) ;
return ;
}
$_is_public_action = true ;
}
/* Now it is a valid action, lets log and check the permission */
Debug2::debug( '[Router] LSCWP_CTRL: ' . $action ) ;
// OK, as we want to do something magic, lets check if its allowed
$_is_multisite = is_multisite() ;
$_is_network_admin = $_is_multisite && is_network_admin() ;
$_can_network_option = $_is_network_admin && current_user_can( 'manage_network_options' ) ;
$_can_option = current_user_can( 'manage_options' ) ;
switch ( $action ) {
// Save htaccess
case self::ACTION_SAVE_HTACCESS:
if ( ( ! $_is_multisite && $_can_option ) || $_can_network_option ) {
self::$_action = $action ;
}
return ;
// Save network settings
case self::ACTION_SAVE_SETTINGS_NETWORK:
if ( $_can_network_option ) {
self::$_action = $action ;
}
return ;
case Core::ACTION_PURGE_BY:
if ( defined( 'LITESPEED_ON' ) && ( $_can_network_option || $_can_option || self::is_ajax() ) ) {//here may need more security
self::$_action = $action ;
}
return ;
case self::ACTION_DB_OPTM:
if ( $_can_network_option || $_can_option ) {
self::$_action = $action ;
}
return ;
case Core::ACTION_PURGE_EMPTYCACHE:// todo: moved to purge.cls type action
if ( defined( 'LITESPEED_ON' ) && ( $_can_network_option || ( ! $_is_multisite && $_can_option ) ) ) {
self::$_action = $action ;
}
return ;
case Core::ACTION_QS_NOCACHE:
case Core::ACTION_QS_PURGE:
case Core::ACTION_QS_PURGE_SINGLE:
case Core::ACTION_QS_SHOW_HEADERS:
case Core::ACTION_QS_PURGE_ALL:
case Core::ACTION_QS_PURGE_EMPTYCACHE:
if ( defined( 'LITESPEED_ON' ) && ( $_is_public_action || self::is_ajax() ) ) {
self::$_action = $action ;
}
return ;
case self::ACTION_PURGE:
case self::ACTION_PLACEHOLDER:
case self::ACTION_AVATAR:
case self::ACTION_IMG_OPTM:
case self::ACTION_CLOUD:
case self::ACTION_CDN_CLOUDFLARE:
case self::ACTION_CDN_QUIC:
case self::ACTION_CRAWLER:
case self::ACTION_IMPORT:
case self::ACTION_REPORT:
case self::ACTION_CSS:
case self::ACTION_CONF:
case self::ACTION_ACTIVATION:
case self::ACTION_HEALTH:
case self::ACTION_SAVE_SETTINGS: // Save settings
if ( $_can_option && ! $_is_network_admin ) {
self::$_action = $action ;
}
return ;
case self::ACTION_DEBUG2:
if ( $_can_network_option || $_can_option ) {
self::$_action = $action ;
}
return ;
case Core::ACTION_DISMISS:
/**
* Non ajax call can dismiss too
* @since 2.9
*/
// if ( self::is_ajax() ) {
self::$_action = $action ;
// }
return ;
default:
Debug2::debug( '[Router] LSCWP_CTRL match falied: ' . $action ) ;
return ;
}
}
/**
* Verify nonce
*
* @since 1.1.0
* @access private
* @param string $action
* @return bool
*/
private function verify_nonce( $action )
{
if ( ! isset( $_REQUEST[Router::NONCE] ) || ! wp_verify_nonce( $_REQUEST[Router::NONCE], $action ) ) {
return false ;
}
else{
return true ;
}
}
/**
* Check if the ip is in the range
*
* @since 1.1.0
* @access private
* @param string $ip_list IP list
* @return bool
*/
private function ip_access( $ip_list )
{
if ( ! $ip_list ) {
return false ;
}
if ( ! isset( self::$_ip ) ) {
self::$_ip = $this->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 = array_shift( $_ip ) ;
}
}
if ( ! $_ip ) {
$_ip = ! empty( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : false ;
}
return $_ip ;
}
/**
* Check if opcode cache is enabled
*
* @since 1.8.2
* @access public
*/
public static function opcache_enabled()
{
return function_exists( 'opcache_reset' ) && ini_get( 'opcache.enable' ) ;
}
/**
* Handle static files
*
* @since 3.0
*/
public static function serve_static()
{
if ( strpos( $_SERVER[ 'SCRIPT_URI' ], LITESPEED_STATIC_URL . '/' ) !== 0 ) {
return ;
}
$path = substr( $_SERVER[ 'SCRIPT_URI' ], strlen( LITESPEED_STATIC_URL . '/' ) ) ;
$path = explode( '/', $path, 2 ) ;
if ( empty( $path[ 0 ] ) || empty( $path[ 1 ] ) ) {
return ;
}
switch ( $path[ 0 ] ) {
case 'avatar' :
Avatar::get_instance()->serve_satic( $path[ 1 ] ) ;
break ;
case 'cssjs' :
Optimize::get_instance()->serve_satic( $path[ 1 ] ) ;
break ;
default :
break ;
}
}
/**
* Handle all request actions from main cls
*
* This is different than other handlers
*
* @since 3.0
* @access public
*/
public static function handler( $cls )
{
// CDN is child namespaces
if ( $cls == self::ACTION_CDN_QUIC || $cls == self::ACTION_CDN_CLOUDFLARE ) {
$cls = str_replace( '_', '\\', $cls );
}
$cls = __NAMESPACE__ . '\\' . $cls;
if ( method_exists( $cls, 'handler' ) ) {
return $cls::handler();
}
}
}