litespeed-cache.php — LiteSpeed Cache 7.0.1

litespeed-cache / litespeed-cache.php

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litespeed-cache.php

192 lines

1	<?php
2
3	/**
4	* Plugin Name: LiteSpeed Cache
5	* Plugin URI: https://www.litespeedtech.com/products/cache-plugins/wordpress-acceleration
6	* Description: High-performance page caching and site optimization from LiteSpeed
7	* Version: 7.0.1
8	* Author: LiteSpeed Technologies
9	* Author URI: https://www.litespeedtech.com
10	* License: GPLv3
11	* License URI: http://www.gnu.org/licenses/gpl.html
12	* Text Domain: litespeed-cache
13	* Domain Path: /lang
14	*
15	* Copyright (C) 2015-2025 LiteSpeed Technologies, Inc.
16	*
17	* This program is free software: you can redistribute it and/or modify
18	* it under the terms of the GNU General Public License as published by
19	* the Free Software Foundation, either version 3 of the License, or
20	* (at your option) any later version.
21	*
22	* This program is distributed in the hope that it will be useful,
23	* but WITHOUT ANY WARRANTY; without even the implied warranty of
24	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25	* GNU General Public License for more details.
26	*
27	* You should have received a copy of the GNU General Public License
28	* along with this program. If not, see <http://www.gnu.org/licenses/>.
29
30	*/
31	defined('WPINC') \|\| exit();
32
33	if (defined('LSCWP_V')) {
34	return;
35	}
36
37	!defined('LSCWP_V') && define('LSCWP_V', '7.0.1');
38
39	!defined('LSCWP_CONTENT_DIR') && define('LSCWP_CONTENT_DIR', WP_CONTENT_DIR);
40	!defined('LSCWP_DIR') && define('LSCWP_DIR', __DIR__ . '/'); // Full absolute path '/var/www/html/***/wp-content/plugins/litespeed-cache/' or MU
41	!defined('LSCWP_BASENAME') && define('LSCWP_BASENAME', 'litespeed-cache/litespeed-cache.php'); //LSCWP_BASENAME='litespeed-cache/litespeed-cache.php'
42
43	/**
44	* This needs to be before activation because admin-rules.class.php need const `LSCWP_CONTENT_FOLDER`
45	* This also needs to be before cfg.cls init because default cdn_included_dir needs `LSCWP_CONTENT_FOLDER`
46	* @since 5.2 Auto correct protocol for CONTENT URL
47	*/
48	$WP_CONTENT_URL = WP_CONTENT_URL;
49	$site_url = site_url('/');
50	if (substr($WP_CONTENT_URL, 0, 5) == 'http:' && substr($site_url, 0, 5) == 'https') {
51	$WP_CONTENT_URL = str_replace('http://', 'https://', $WP_CONTENT_URL);
52	}
53	!defined('LSCWP_CONTENT_FOLDER') && define('LSCWP_CONTENT_FOLDER', str_replace($site_url, '', $WP_CONTENT_URL)); // `wp-content`
54	!defined('LSWCP_PLUGIN_URL') && define('LSWCP_PLUGIN_URL', plugin_dir_url(__FILE__)); // Full URL path '//example.com/wp-content/plugins/litespeed-cache/'
55
56	/**
57	* Static cache files consts
58	* @since 3.0
59	*/
60	!defined('LITESPEED_DATA_FOLDER') && define('LITESPEED_DATA_FOLDER', 'litespeed');
61	!defined('LITESPEED_STATIC_URL') && define('LITESPEED_STATIC_URL', $WP_CONTENT_URL . '/' . LITESPEED_DATA_FOLDER); // Full static cache folder URL '//example.com/wp-content/litespeed'
62	!defined('LITESPEED_STATIC_DIR') && define('LITESPEED_STATIC_DIR', LSCWP_CONTENT_DIR . '/' . LITESPEED_DATA_FOLDER); // Full static cache folder path '/var/www/html/***/wp-content/litespeed'
63
64	!defined('LITESPEED_TIME_OFFSET') && define('LITESPEED_TIME_OFFSET', get_option('gmt_offset') * 60 * 60);
65
66	// Placeholder for lazyload img
67	!defined('LITESPEED_PLACEHOLDER') && define('LITESPEED_PLACEHOLDER', 'data:image/gif;base64,R0lGODdhAQABAPAAAMPDwwAAACwAAAAAAQABAAACAkQBADs=');
68
69	// Auto register LiteSpeed classes
70	require_once LSCWP_DIR . 'autoload.php';
71
72	// Define CLI
73	if ((defined('WP_CLI') && WP_CLI) \|\| PHP_SAPI == 'cli') {
74	!defined('LITESPEED_CLI') && define('LITESPEED_CLI', true);
75
76	// Register CLI cmd
77	if (method_exists('WP_CLI', 'add_command')) {
78	WP_CLI::add_command('litespeed-option', 'LiteSpeed\CLI\Option');
79	WP_CLI::add_command('litespeed-purge', 'LiteSpeed\CLI\Purge');
80	WP_CLI::add_command('litespeed-online', 'LiteSpeed\CLI\Online');
81	WP_CLI::add_command('litespeed-image', 'LiteSpeed\CLI\Image');
82	WP_CLI::add_command('litespeed-debug', 'LiteSpeed\CLI\Debug');
83	WP_CLI::add_command('litespeed-presets', 'LiteSpeed\CLI\Presets');
84	WP_CLI::add_command('litespeed-crawler', 'LiteSpeed\CLI\Crawler');
85	}
86	}
87
88	// Server type
89	if (!defined('LITESPEED_SERVER_TYPE')) {
90	if (isset($_SERVER['HTTP_X_LSCACHE']) && $_SERVER['HTTP_X_LSCACHE']) {
91	define('LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_ADC');
92	} elseif (isset($_SERVER['LSWS_EDITION']) && strpos($_SERVER['LSWS_EDITION'], 'Openlitespeed') === 0) {
93	define('LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_OLS');
94	} elseif (isset($_SERVER['SERVER_SOFTWARE']) && $_SERVER['SERVER_SOFTWARE'] == 'LiteSpeed') {
95	define('LITESPEED_SERVER_TYPE', 'LITESPEED_SERVER_ENT');
96	} else {
97	define('LITESPEED_SERVER_TYPE', 'NONE');
98	}
99	}
100
101	// Checks if caching is allowed via server variable
102	if (!empty($_SERVER['X-LSCACHE']) \|\| LITESPEED_SERVER_TYPE === 'LITESPEED_SERVER_ADC' \|\| defined('LITESPEED_CLI')) {
103	!defined('LITESPEED_ALLOWED') && define('LITESPEED_ALLOWED', true);
104	}
105
106	// ESI const definition
107	if (!defined('LSWCP_ESI_SUPPORT')) {
108	define('LSWCP_ESI_SUPPORT', LITESPEED_SERVER_TYPE !== 'LITESPEED_SERVER_OLS' ? true : false);
109	}
110
111	if (!defined('LSWCP_TAG_PREFIX')) {
112	define('LSWCP_TAG_PREFIX', substr(md5(LSCWP_DIR), -3));
113	}
114
115	/**
116	* Handle exception
117	*/
118	if (!function_exists('litespeed_exception_handler')) {
119	function litespeed_exception_handler($errno, $errstr, $errfile, $errline)
120	{
121	throw new \ErrorException($errstr, 0, $errno, $errfile, $errline);
122	}
123	}
124
125	/**
126	* Overwrite the WP nonce funcs outside of LiteSpeed namespace
127	* @since 3.0
128	*/
129	if (!function_exists('litespeed_define_nonce_func')) {
130	function litespeed_define_nonce_func()
131	{
132	/**
133	* If the nonce is in none_actions filter, convert it to ESI
134	*/
135	function wp_create_nonce($action = -1)
136	{
137	if (!defined('LITESPEED_DISABLE_ALL') \|\| !LITESPEED_DISABLE_ALL) {
138	$control = \LiteSpeed\ESI::cls()->is_nonce_action($action);
139	if ($control !== null) {
140	$params = array(
141	'action' => $action,
142	);
143	return \LiteSpeed\ESI::cls()->sub_esi_block('nonce', 'wp_create_nonce ' . $action, $params, $control, true, true, true);
144	}
145	}
146
147	return wp_create_nonce_litespeed_esi($action);
148	}
149
150	/**
151	* Ori WP wp_create_nonce
152	*/
153	function wp_create_nonce_litespeed_esi($action = -1)
154	{
155	$uid = get_current_user_id();
156	if (!$uid) {
157	/** This filter is documented in wp-includes/pluggable.php */
158	$uid = apply_filters('nonce_user_logged_out', $uid, $action);
159	}
160
161	$token = wp_get_session_token();
162	$i = wp_nonce_tick();
163
164	return substr(wp_hash($i . '\|' . $action . '\|' . $uid . '\|' . $token, 'nonce'), -12, 10);
165	}
166	}
167	}
168
169	/**
170	* Begins execution of the plugin.
171	*
172	* @since 1.0.0
173	*/
174	if (!function_exists('run_litespeed_cache')) {
175	function run_litespeed_cache()
176	{
177	//Check minimum PHP requirements, which is 7.2 at the moment.
178	if (version_compare(PHP_VERSION, '7.2.0', '<')) {
179	return;
180	}
181
182	//Check minimum WP requirements, which is 5.3 at the moment.
183	if (version_compare($GLOBALS['wp_version'], '5.3', '<')) {
184	return;
185	}
186
187	\LiteSpeed\Core::cls();
188	}
189
190	run_litespeed_cache();
191	}
192