Your IP : 18.189.186.167
<?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 Base {
const NONCE = 'LSCWP_NONCE';
const ACTION = 'LSCWP_CTRL';
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_CDN_SETUP = 'cdn_setup';
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_UCSS = 'ucss';
const ACTION_VPI = 'vpi';
const ACTION_PRESET = 'preset';
const ACTION_IMPORT = 'import';
const ACTION_REPORT = 'report';
const ACTION_DEBUG2 = 'debug2';
const ACTION_CDN_CLOUDFLARE = 'CDN\Cloudflare';
// List all handlers here
private static $_HANDLERS = array(
self::ACTION_ACTIVATION,
self::ACTION_AVATAR,
self::ACTION_CDN_CLOUDFLARE,
self::ACTION_CLOUD,
self::ACTION_CDN_SETUP,
self::ACTION_CONF,
self::ACTION_CRAWLER,
self::ACTION_CSS,
self::ACTION_UCSS,
self::ACTION_VPI,
self::ACTION_DB_OPTM,
self::ACTION_DEBUG2,
self::ACTION_HEALTH,
self::ACTION_IMG_OPTM,
self::ACTION_PRESET,
self::ACTION_IMPORT,
self::ACTION_PLACEHOLDER,
self::ACTION_PURGE,
self::ACTION_REPORT,
);
const TYPE = 'litespeed_type';
const ITEM_HASH = 'hash';
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;
/**
* Redirect to self to continue operation
*
* Note: must return when use this func. CLI/Cron call won't die in this func.
*
* @since 3.0
* @access public
*/
public static function self_redirect( $action, $type ) {
if ( defined( 'LITESPEED_CLI' ) || defined( 'DOING_CRON' ) ) {
Admin_Display::succeed( 'To be continued' ); // Show for CLI
return;
}
// Add i to avoid browser too many redirected warning
$i = ! empty( $_GET[ 'litespeed_i' ] ) ? $_GET[ 'litespeed_i' ] : 0;
$i ++;
$link = Utility::build_url( $action, $type, false, null, array( 'litespeed_i' => $i ) );
$url = html_entity_decode( $link );
exit( "<meta http-equiv='refresh' content='0;url=$url'>" );
}
/**
* Check if can run optimize
*
* @since 1.3
* @since 2.3.1 Relocated from cdn.cls
* @access public
*/
public function can_optm() {
$can = true;
if ( is_user_logged_in() && $this->conf( self::O_OPTM_GUEST_ONLY ) ) {
$can = false;
}
elseif ( 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
*/
$rest_prefix = function_exists( 'rest_get_url_prefix' ) ? rest_get_url_prefix() : apply_filters( 'rest_url_prefix', 'wp-json' );
if (
! empty( $_SERVER[ 'REQUEST_URI' ] ) &&
strpos( $_SERVER[ 'REQUEST_URI' ], $rest_prefix . '/wp/v2/media' ) !== false &&
isset( $_SERVER[ 'HTTP_REFERER' ] ) && 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;
}
/**
* UCSS/Crawler role simulator
*
* @since 1.9.1
* @since 3.3 Renamed from `is_crawler_role_simulation`
*/
public function is_role_simulation() {
if( is_admin() ) {
return;
}
if ( empty( $_COOKIE[ 'litespeed_role' ] ) || empty( $_COOKIE[ 'litespeed_hash' ] ) ) {
return;
}
Debug2::debug( '[Router] starting 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 = self::get_option( self::ITEM_HASH );
if ( ! $hash || $_COOKIE[ 'litespeed_hash' ] != $hash ) {
Debug2::debug( '[Router] 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 a security hash
*
* @since 3.3
*/
public static function get_hash() {
// Reuse previous hash if existed
$hash = self::get_option( self::ITEM_HASH );
if ( $hash ) {
return $hash;
}
$hash = Str::rrand( 6 );
self::update_option( self::ITEM_HASH, $hash );
return $hash;
}
/**
* 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 = get_current_user_id();
}
$role = false;
if ( $uid ) {
$user = get_userdata( $uid );
if ( isset( $user->roles ) && is_array( $user->roles ) ) {
$tmp = array_values( $user->roles );
$role = implode( ',', $tmp ); // Combine for PHP5.3 const comaptibility
}
}
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 function esi_enabled() {
if ( ! isset( self::$_esi_enabled ) ) {
self::$_esi_enabled = defined( 'LITESPEED_ON' ) && $this->conf( self::O_ESI );
if( ! empty( $_REQUEST[ self::ACTION ] ) ) {
self::$_esi_enabled = false;
}
}
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::$_action = false;
self::cls()->verify_action();
if ( self::$_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 function is_admin_ip() {
if ( ! isset( self::$_is_admin_ip ) ) {
$ips = $this->conf( self::O_DEBUG_IPS );
self::$_is_admin_ip = $this->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;
}
$action = stripslashes($_REQUEST[ Router::ACTION ]);
if ( ! $action ) {
return;
}
$_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;
}
if ( apply_filters( 'litespeed_qs_forbidden', false ) ) {
Debug2::debug( '[Router] LSCWP_CTRL forbidden by hook litespeed_qs_forbidden' );
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 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_PLACEHOLDER:
case self::ACTION_AVATAR:
case self::ACTION_IMG_OPTM:
case self::ACTION_CLOUD:
case self::ACTION_CDN_SETUP:
case self::ACTION_CDN_CLOUDFLARE:
case self::ACTION_CRAWLER:
case self::ACTION_PRESET:
case self::ACTION_IMPORT:
case self::ACTION_REPORT:
case self::ACTION_CSS:
case self::ACTION_UCSS:
case self::ACTION_VPI:
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_PURGE:
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 public
* @param string $action
* @return bool
*/
public 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 public
*/
public function ip_access( $ip_list ) {
if ( ! $ip_list ) {
return false;
}
if ( ! isset( self::$_ip ) ) {
self::$_ip = self::get_ip();
}
if ( ! self::$_ip ) {
return false;
}
// $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;
}
/**
* 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 function serve_static() {
if ( ! empty( $_SERVER[ 'SCRIPT_URI' ] ) ) {
if ( strpos( $_SERVER[ 'SCRIPT_URI' ], LITESPEED_STATIC_URL . '/' ) !== 0 ) {
return;
}
$path = substr( $_SERVER[ 'SCRIPT_URI' ], strlen( LITESPEED_STATIC_URL . '/' ) );
}
elseif ( ! empty( $_SERVER[ 'REQUEST_URI' ] ) ) {
$static_path = parse_url( LITESPEED_STATIC_URL, PHP_URL_PATH ) . '/';
if ( strpos( $_SERVER[ 'REQUEST_URI' ], $static_path ) !== 0 ) {
return;
}
$path = substr( parse_url( $_SERVER[ 'REQUEST_URI' ], PHP_URL_PATH ), strlen( $static_path ) );
}
else {
return;
}
$path = explode( '/', $path, 2 );
if ( empty( $path[ 0 ] ) || empty( $path[ 1 ] ) ) {
return;
}
switch ( $path[ 0 ] ) {
case 'avatar':
$this->cls( 'Avatar' )->serve_static( $path[ 1 ] );
break;
case 'localres':
$this->cls( 'Localization' )->serve_static( $path[ 1 ] );
break;
default :
break;
}
}
/**
* Handle all request actions from main cls
*
* This is different than other handlers
*
* @since 3.0
* @access public
*/
public function handler( $cls ) {
if ( ! in_array( $cls, self::$_HANDLERS ) ) {
return;
}
return $this->cls( $cls )->handler();
}
}