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<?php

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/**

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* Plugin Name: LiteSpeed Cache

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* Plugin URI: https://www.litespeedtech.com/products/cache-plugins/wordpress-acceleration

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* Description: High-performance page caching and site optimization from LiteSpeed

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* Version: 6.4.1

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* Author: LiteSpeed Technologies

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* Author URI: https://www.litespeedtech.com

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* License: GPLv3

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* License URI: http://www.gnu.org/licenses/gpl.html

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* Text Domain: litespeed-cache

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* Domain Path: /lang

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* This program is free software: you can redistribute it and/or modify

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* it under the terms of the GNU General Public License as published by

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* the Free Software Foundation, either version 3 of the License, or

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* (at your option) any later version.

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* This program is distributed in the hope that it will be useful,

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* but WITHOUT ANY WARRANTY; without even the implied warranty of

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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

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* GNU General Public License for more details.

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* You should have received a copy of the GNU General Public License

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* along with this program. If not, see <http://www.gnu.org/licenses/>.

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defined('WPINC') || exit();

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if (defined('LSCWP_V')) {

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return;

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}

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!defined('LSCWP_V') && define('LSCWP_V', '6.4.1');

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!defined('LSCWP_CONTENT_DIR') && define('LSCWP_CONTENT_DIR', WP_CONTENT_DIR);

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!defined('LSCWP_DIR') && define('LSCWP_DIR', __DIR__ . '/'); // Full absolute path '/var/www/html/***/wp-content/plugins/litespeed-cache/' or MU

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!defined('LSCWP_BASENAME') && define('LSCWP_BASENAME', 'litespeed-cache/litespeed-cache.php'); //LSCWP_BASENAME='litespeed-cache/litespeed-cache.php'

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/**

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* This needs to be before activation because admin-rules.class.php need const `LSCWP_CONTENT_FOLDER`

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* This also needs to be before cfg.cls init because default cdn_included_dir needs `LSCWP_CONTENT_FOLDER`

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* @since 5.2 Auto correct protocol for CONTENT URL

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$WP_CONTENT_URL = WP_CONTENT_URL;

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$home_url = home_url('/');

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if (substr($WP_CONTENT_URL, 0, 5) == 'http:' && substr($home_url, 0, 5) == 'https') {

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$WP_CONTENT_URL = str_replace('http://', 'https://', $WP_CONTENT_URL);

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}

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!defined('LSCWP_CONTENT_FOLDER') && define('LSCWP_CONTENT_FOLDER', str_replace($home_url, '', $WP_CONTENT_URL)); // `wp-content`

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!defined('LSWCP_PLUGIN_URL') && define('LSWCP_PLUGIN_URL', plugin_dir_url(__FILE__)); // Full URL path '//example.com/wp-content/plugins/litespeed-cache/'

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/**

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* Static cache files consts

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* @since 3.0

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!defined('LITESPEED_DATA_FOLDER') && define('LITESPEED_DATA_FOLDER', 'litespeed');

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!defined('LITESPEED_STATIC_URL') && define('LITESPEED_STATIC_URL', $WP_CONTENT_URL . '/' . LITESPEED_DATA_FOLDER); // Full static cache folder URL '//example.com/wp-content/litespeed'

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!defined('LITESPEED_STATIC_DIR') && define('LITESPEED_STATIC_DIR', LSCWP_CONTENT_DIR . '/' . LITESPEED_DATA_FOLDER); // Full static cache folder path '/var/www/html/***/wp-content/litespeed'

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!defined('LITESPEED_TIME_OFFSET') && define('LITESPEED_TIME_OFFSET', get_option('gmt_offset') * 60 * 60);

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// Placeholder for lazyload img

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!defined('LITESPEED_PLACEHOLDER') && define('LITESPEED_PLACEHOLDER', 'data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=');

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// Auto register LiteSpeed classes

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require_once LSCWP_DIR . 'autoload.php';

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// Define CLI

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if ((defined('WP_CLI') && WP_CLI) || PHP_SAPI == 'cli') {

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!defined('LITESPEED_CLI') && define('LITESPEED_CLI', true);

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// Register CLI cmd

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if (method_exists('WP_CLI', 'add_command')) {

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WP_CLI::add_command('litespeed-option', 'LiteSpeed\CLI\Option');

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WP_CLI::add_command('litespeed-purge', 'LiteSpeed\CLI\Purge');

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WP_CLI::add_command('litespeed-online', 'LiteSpeed\CLI\Online');

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WP_CLI::add_command('litespeed-image', 'LiteSpeed\CLI\Image');

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WP_CLI::add_command('litespeed-debug', 'LiteSpeed\CLI\Debug');

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WP_CLI::add_command('litespeed-presets', 'LiteSpeed\CLI\Presets');

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WP_CLI::add_command('litespeed-crawler', 'LiteSpeed\CLI\Crawler');

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}

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}

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// Server type

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if (!defined('LITESPEED_SERVER_TYPE')) {

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if (isset($_SERVER['HTTP_X_LSCACHE']) && $_SERVER['HTTP_X_LSCACHE']) {

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define('LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_ADC');

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} elseif (isset($_SERVER['LSWS_EDITION']) && strpos($_SERVER['LSWS_EDITION'], 'Openlitespeed') === 0) {

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define('LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_OLS');

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} elseif (isset($_SERVER['SERVER_SOFTWARE']) && $_SERVER['SERVER_SOFTWARE'] == 'LiteSpeed') {

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define('LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_ENT');

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} else {

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define('LITESPEED_SERVER_TYPE', 'NONE');

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}

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}

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// Checks if caching is allowed via server variable

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if (!empty($_SERVER['X-LSCACHE']) || LITESPEED_SERVER_TYPE === 'LITESPEED_SERVER_ADC' || defined('LITESPEED_CLI')) {

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!defined('LITESPEED_ALLOWED') && define('LITESPEED_ALLOWED', true);

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}

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// ESI const definition

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if (!defined('LSWCP_ESI_SUPPORT')) {

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define('LSWCP_ESI_SUPPORT', LITESPEED_SERVER_TYPE !== 'LITESPEED_SERVER_OLS' ? true : false);

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}

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if (!defined('LSWCP_TAG_PREFIX')) {

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define('LSWCP_TAG_PREFIX', substr(md5(LSCWP_DIR), -3));

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}

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/**

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* Handle exception

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if (!function_exists('litespeed_exception_handler')) {

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function litespeed_exception_handler($errno, $errstr, $errfile, $errline)

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{

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throw new \ErrorException($errstr, 0, $errno, $errfile, $errline);

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}

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}

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/**

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* Overwrite the WP nonce funcs outside of LiteSpeed namespace

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* @since 3.0

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if (!function_exists('litespeed_define_nonce_func')) {

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function litespeed_define_nonce_func()

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{

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/**

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* If the nonce is in none_actions filter, convert it to ESI

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function wp_create_nonce($action = -1)

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{

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if (!defined('LITESPEED_DISABLE_ALL')) {

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$control = \LiteSpeed\ESI::cls()->is_nonce_action($action);

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if ($control !== null) {

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$params = array(

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'action' => $action,

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);

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return \LiteSpeed\ESI::cls()->sub_esi_block('nonce', 'wp_create_nonce ' . $action, $params, $control, true, true, true);

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}

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}

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return wp_create_nonce_litespeed_esi($action);

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}

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/**

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* Ori WP wp_create_nonce

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function wp_create_nonce_litespeed_esi($action = -1)

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{

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$uid = get_current_user_id();

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if (!$uid) {

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/** This filter is documented in wp-includes/pluggable.php */

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$uid = apply_filters('nonce_user_logged_out', $uid, $action);

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}

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$token = wp_get_session_token();

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$i = wp_nonce_tick();

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return substr(wp_hash($i . '|' . $action . '|' . $uid . '|' . $token, 'nonce'), -12, 10);

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}

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}

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}

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/**

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* Begins execution of the plugin.

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* @since 1.0.0

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if (!function_exists('run_litespeed_cache')) {

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function run_litespeed_cache()

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{

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//Check minimum PHP requirements, which is 5.3 at the moment.

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if (version_compare(PHP_VERSION, '5.3.0', '<')) {

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return;

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}

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//Check minimum WP requirements, which is 4.9 at the moment.

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if (version_compare($GLOBALS['wp_version'], '4.9', '<')) {

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return;

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}

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\LiteSpeed\Core::cls();

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}

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run_litespeed_cache();

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}

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