File "router.cls-20241224201204.php"
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<?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 LOG_TAG = '[Router]';
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';
const ITEM_FLASH_HASH = 'flash_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($_COOKIE['litespeed_hash']) && empty($_COOKIE['litespeed_flash_hash'])) {
return;
}
self::debug('starting role validation');
// Check if is from crawler
// if ( empty( $_SERVER[ 'HTTP_USER_AGENT' ] ) || strpos( $_SERVER[ 'HTTP_USER_AGENT' ], Crawler::FAST_USER_AGENT ) !== 0 ) {
// Debug2::debug( '[Router] user agent not match' );
// return;
// }
// Flash hash validation
if (!empty($_COOKIE['litespeed_flash_hash'])) {
$hash_data = self::get_option(self::ITEM_FLASH_HASH, array());
if ($hash_data && is_array($hash_data) && !empty($hash_data['hash']) && !empty($hash_data['ts']) && !empty($hash_data['uid'])) {
if (time() - $hash_data['ts'] < 120 && $_COOKIE['litespeed_flash_hash'] == $hash_data['hash']) {
self::debug('role simulate uid ' . $hash_data['uid']);
self::delete_option(self::ITEM_FLASH_HASH);
wp_set_current_user($hash_data['uid']);
return;
}
}
}
// Hash validation
if (!empty($_COOKIE['litespeed_hash'])) {
$hash_data = self::get_option(self::ITEM_HASH, array());
if ($hash_data && is_array($hash_data) && !empty($hash_data['hash']) && !empty($hash_data['ts']) && !empty($hash_data['uid'])) {
if (time() - $hash_data['ts'] < $this->conf(Base::O_CRAWLER_RUN_DURATION) && $_COOKIE['litespeed_hash'] == $hash_data['hash']) {
if (empty($hash_data['ip'])) {
$hash_data['ip'] = self::get_ip();
self::update_option(self::ITEM_HASH, $hash_data);
} else {
$server_ips = apply_filters('litespeed_server_ips', array($hash_data['ip']));
if (!self::ip_access($server_ips)) {
self::debug('WARNING: role simulator ip check failed [db ip] ' . $hash_data['ip'], $server_ips);
return;
}
}
wp_set_current_user($hash_data['uid']);
return;
}
}
}
self::debug('WARNING: role simulator hash not match');
}
/**
* Get a short ttl hash (2mins)
*
* @since 6.4
*/
public function get_flash_hash($uid)
{
$hash_data = self::get_option(self::ITEM_FLASH_HASH, array());
if ($hash_data && is_array($hash_data) && !empty($hash_data['hash']) && !empty($hash_data['ts'])) {
if (time() - $hash_data['ts'] < 60) {
return $hash_data['hash'];
}
}
$hash = Str::rrand(32);
self::update_option(self::ITEM_FLASH_HASH, array('hash' => $hash, 'ts' => time(), 'uid' => $uid));
return $hash;
}
/**
* Get a security hash
*
* @since 3.3
*/
public function get_hash($uid)
{
// As this is called only when starting crawling, not per page, no need to reuse
$hash = Str::rrand(32);
self::update_option(self::ITEM_HASH, array('hash' => $hash, 'ts' => time(), 'uid' => $uid));
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) {
case self::ACTION_SAVE_SETTINGS_NETWORK: // Save network settings
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') || $_is_network_admin) && ($_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 failed: ' . $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();
}
}