class-cache.php — Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) 9.5.11

really-simple-ssl / class-cache.php

really-simple-ssl Last commit date

class-cache.php

160 lines

1	<?php
2	defined( 'ABSPATH' ) or die( );
3	if ( ! class_exists( 'rsssl_cache' ) ) {
4	class rsssl_cache {
5	private static $_this;
6
7	public function __construct() {
8	if ( isset( self::$_this ) ) {
9	wp_die( 'you cannot create a second instance.' );
10	}
11
12	self::$_this = $this;
13	}
14
15	public static function this() {
16	return self::$_this;
17	}
18
19	/**
20	* Flushes the cache for popular caching plugins to prevent mixed content errors
21	* When .htaccess is changed, all traffic should flow over https, so clear cache when possible.
22	* Supported: W3TC, WP Optimize, LiteSpeed, Hummingbird, WP Fastest Cache,
23	* Autoptimize, WP Rocket, Cache Enabler, WP Super Cache, Cloudflare
24	*
25	* @since 2.0
26	*
27	* @access public
28	*
29	*/
30
31	public function flush() {
32	if ( ! rsssl_user_can_manage() ) {
33	return;
34	}
35
36	add_action( 'admin_head', array( $this, 'maybe_flush_w3tc_cache' ) );
37	add_action( 'admin_head', array( $this, 'maybe_flush_wp_optimize_cache' ) );
38	add_action( 'admin_head', array( $this, 'maybe_flush_litespeed_cache' ) );
39	add_action( 'admin_head', array( $this, 'maybe_flush_hummingbird_cache' ) );
40	add_action( 'admin_head', array( $this, 'maybe_flush_fastest_cache' ) );
41	add_action( 'admin_head', array( $this, 'maybe_flush_autoptimize_cache' ) );
42	add_action( 'admin_head', array( $this, 'maybe_flush_wp_rocket' ) );
43	add_action( 'admin_head', array( $this, 'maybe_flush_cache_enabler' ) );
44	add_action( 'admin_head', array( $this, 'maybe_flush_wp_super_cache' ) );
45	add_action( 'admin_head', array( $this, 'maybe_flush_cloudflare_cache' ) );
46	}
47
48	public function maybe_flush_w3tc_cache() {
49	if ( ! rsssl_user_can_manage() ) {
50	return;
51	}
52
53	if ( function_exists( 'w3tc_flush_all' ) ) {
54	w3tc_flush_all();
55	}
56	}
57
58	public function maybe_flush_wp_optimize_cache() {
59	if ( ! rsssl_user_can_manage() ) {
60	return;
61	}
62
63	if ( function_exists( 'wpo_cache_flush' ) ) {
64	wpo_cache_flush();
65	}
66	}
67
68	public function maybe_flush_litespeed_cache() {
69	if ( ! rsssl_user_can_manage() ) {
70	return;
71	}
72
73	if ( class_exists( 'LiteSpeed' ) ) {
74	Litespeed\Purge::purge_all();
75	}
76	}
77
78	public function maybe_flush_hummingbird_cache() {
79	if ( ! rsssl_user_can_manage() ) {
80	return;
81	}
82
83	if ( is_callable( array( 'Hummingbird\WP_Hummingbird', 'flush_cache' ) ) ) {
84	Hummingbird\WP_Hummingbird::flush_cache();
85	}
86	}
87
88	public function maybe_flush_fastest_cache() {
89	if ( ! rsssl_user_can_manage() ) {
90	return;
91	}
92
93	if ( class_exists( 'WpFastestCache' ) ) {
94	// Non-static cannot be called statically ::
95	( new WpFastestCache() )->deleteCache();
96	}
97	}
98
99	public function maybe_flush_autoptimize_cache() {
100	if ( ! rsssl_user_can_manage() ) {
101	return;
102	}
103
104	if ( class_exists( 'autoptimizeCache' ) ) {
105	autoptimizeCache::clearall();
106	}
107	}
108
109	public function maybe_flush_wp_rocket() {
110	if ( ! rsssl_user_can_manage() ) {
111	return;
112	}
113
114	if ( function_exists( 'rocket_clean_domain' ) ) {
115	rocket_clean_domain();
116	}
117	}
118
119	public function maybe_flush_cache_enabler() {
120	if ( ! rsssl_user_can_manage() ) {
121	return;
122	}
123
124	if ( class_exists( 'Cache_Enabler' ) ) {
125	Cache_Enabler::clear_complete_cache();
126	}
127	}
128
129	public function maybe_flush_wp_super_cache() {
130	if ( ! rsssl_user_can_manage() ) {
131	return;
132	}
133
134	if ( function_exists( 'wp_cache_clear_cache' ) ) {
135	wp_cache_clear_cache();
136	}
137	}
138
139	/**
140	* Flush Cloudflare cache if the Cloudflare plugin is active.
141	*
142	* @see https://github.com/cloudflare/Cloudflare-WordPress
143	*/
144	public function maybe_flush_cloudflare_cache() {
145	if ( ! rsssl_user_can_manage() ) {
146	return;
147	}
148
149	if ( defined( 'CLOUDFLARE_PLUGIN_DIR' ) && class_exists( '\Cloudflare\APO\WordPress\Hooks' ) ) {
150	try {
151	$cloudflare_hooks = new \Cloudflare\APO\WordPress\Hooks();
152	$cloudflare_hooks->purgeCacheEverything();
153	} catch ( \Throwable $e ) {
154	// Silently fail if Cloudflare API is not configured.
155	}
156	}
157	}
158	}//class closure
159	}
160