activation.class.php — LiteSpeed Cache 1.9.1.1

litespeed-cache / inc / activation.class.php

litespeed-cache / inc Last commit date

activation.class.php

243 lines

1	<?php
2	/**
3	* The plugin activation class.
4	*
5	* @since 1.1.0
6	* @since 1.5 Moved into /inc
7	* @package LiteSpeed_Cache
8	* @subpackage LiteSpeed_Cache/inc
9	* @author LiteSpeed Technologies <info@litespeedtech.com>
10	*/
11	class LiteSpeed_Cache_Activation
12	{
13	const NETWORK_TRANSIENT_COUNT = 'lscwp_network_count' ;
14
15	/**
16	* The activation hook callback.
17	*
18	* Attempts to set up the advanced cache file. If it fails for any reason,
19	* the plugin will not activate.
20	*
21	* @since 1.0.0
22	* @access public
23	*/
24	public static function register_activation()
25	{
26	$count = 0 ;
27	! defined( 'LSCWP_LOG_TAG' ) && define( 'LSCWP_LOG_TAG', 'Activate_' . get_current_blog_id() ) ;
28
29	self::try_copy_advanced_cache() ;
30	LiteSpeed_Cache_Config::wp_cache_var_setter( true ) ;
31
32	if ( is_multisite() ) {
33	$count = self::get_network_count() ;
34	if ( $count !== false ) {
35	$count = intval( $count ) + 1 ;
36	set_site_transient( self::NETWORK_TRANSIENT_COUNT, $count, DAY_IN_SECONDS ) ;
37	}
38	}
39	do_action( 'litespeed_cache_api_load_thirdparty' ) ;
40	LiteSpeed_Cache_Config::get_instance()->plugin_activation( $count ) ;
41	LiteSpeed_Cache_Admin_Report::get_instance()->generate_environment_report() ;
42
43	if ( defined( 'LSCWP_PLUGIN_NAME' ) ) {
44	set_transient( LiteSpeed_Cache::WHM_TRANSIENT, LiteSpeed_Cache::WHM_TRANSIENT_VAL ) ;
45	}
46
47	// Register crawler cron task
48	LiteSpeed_Cache_Task::update() ;
49	}
50
51	/**
52	* Uninstall plugin
53	* @since 1.1.0
54	*/
55	public static function uninstall_litespeed_cache()
56	{
57	LiteSpeed_Cache_Task::clear() ;
58	LiteSpeed_Cache_Admin_Rules::get_instance()->clear_rules( true ) ;
59	delete_option( LiteSpeed_Cache_Config::OPTION_NAME ) ;
60	if ( is_multisite() ) {
61	delete_site_option( LiteSpeed_Cache_Config::OPTION_NAME ) ;
62	}
63	}
64
65	/**
66	* Get the blog ids for the network. Accepts function arguments.
67	*
68	* Will use wp_get_sites for WP versions less than 4.6
69	*
70	* @since 1.0.12
71	* @access public
72	* @param array $args Arguments to pass into get_sites/wp_get_sites.
73	* @return array The array of blog ids.
74	*/
75	public static function get_network_ids( $args = array() )
76	{
77	global $wp_version ;
78	if ( version_compare( $wp_version, '4.6', '<' ) ) {
79	$blogs = wp_get_sites( $args ) ;
80	if ( ! empty( $blogs ) ) {
81	foreach ( $blogs as $key => $blog ) {
82	$blogs[ $key ] = $blog[ 'blog_id' ] ;
83	}
84	}
85	}
86	else {
87	$args[ 'fields' ] = 'ids' ;
88	$blogs = get_sites( $args ) ;
89	}
90	return $blogs ;
91	}
92
93	/**
94	* Gets the count of active litespeed cache plugins on multisite.
95	*
96	* @since 1.0.12
97	* @access private
98	* @return mixed The count on success, false on failure.
99	*/
100	private static function get_network_count()
101	{
102	$count = get_site_transient( self::NETWORK_TRANSIENT_COUNT ) ;
103	if ( $count !== false ) {
104	return intval( $count ) ;
105	}
106	// need to update
107	$default = array() ;
108	$count = 0 ;
109
110	$sites = self::get_network_ids( array( 'deleted' => 0 ) ) ;
111	if ( empty( $sites ) ) {
112	return false ;
113	}
114
115	foreach ( $sites as $site ) {
116	$bid = is_object( $site ) && property_exists( $site, 'blog_id' ) ? $site->blog_id : $site ;
117	$plugins = get_blog_option( $bid , 'active_plugins', $default ) ;
118	if ( in_array( LSCWP_BASENAME, $plugins, true ) ) {
119	$count++ ;
120	}
121	}
122	if ( is_plugin_active_for_network( LSCWP_BASENAME ) ) {
123	$count++ ;
124	}
125	return $count ;
126	}
127
128	/**
129	* Is this deactivate call the last active installation on the multisite
130	* network?
131	*
132	* @since 1.0.12
133	* @access private
134	* @return bool True if yes, false otherwise.
135	*/
136	private static function is_deactivate_last()
137	{
138	$count = self::get_network_count() ;
139	if ( $count === false ) {
140	return false ;
141	}
142	if ( $count !== 1 ) {
143	// Not deactivating the last one.
144	$count-- ;
145	set_site_transient( self::NETWORK_TRANSIENT_COUNT, $count, DAY_IN_SECONDS ) ;
146	return false ;
147	}
148
149	delete_site_transient( self::NETWORK_TRANSIENT_COUNT ) ;
150	return true ;
151	}
152
153	/**
154	* The deactivation hook callback.
155	*
156	* Initializes all clean up functionalities.
157	*
158	* @since 1.0.0
159	* @access public
160	*/
161	public static function register_deactivation()
162	{
163	LiteSpeed_Cache_Task::clear() ;
164
165	! defined( 'LSCWP_LOG_TAG' ) && define( 'LSCWP_LOG_TAG', 'Deactivate_' . get_current_blog_id() ) ;
166
167	LiteSpeed_Cache_Purge::purge_all() ;
168
169	if ( is_multisite() ) {
170
171	if ( ! self::is_deactivate_last() ) {
172	if ( is_network_admin() ) {
173	// Still other activated subsite left, set .htaccess with only CacheLookUp
174	LiteSpeed_Cache_Admin_Rules::get_instance()->insert_wrapper() ;
175	}
176	return ;
177	}
178	}
179
180	$adv_cache_path = LSCWP_CONTENT_DIR . '/advanced-cache.php' ;
181	// this file can be generated by other cache plugin like w3tc, we only delete our own file
182	if ( file_exists( $adv_cache_path ) && is_writable( $adv_cache_path ) ) {
183	if ( strpos( file_get_contents( $adv_cache_path ), 'LSCACHE_ADV_CACHE' ) !== false ) {
184	unlink( $adv_cache_path ) ;
185	}
186	else {
187	error_log(' Keep advanced-cache.php as it belongs to other plugins' ) ;
188	}
189	}
190	else {
191	error_log( 'Failed to remove advanced-cache.php, file does not exist or is not writable!' ) ;
192	}
193
194	/**
195	* Remove object cache file if is us
196	* @since 1.8.2
197	*/
198	LiteSpeed_Cache_Object::get_instance()->del_file() ;
199
200	if ( ! LiteSpeed_Cache_Config::wp_cache_var_setter( false ) ) {
201	error_log('In wp-config.php: WP_CACHE could not be set to false during deactivation!') ;
202	}
203
204	LiteSpeed_Cache_Admin_Rules::get_instance()->clear_rules( true ) ;
205
206	// delete in case it's not deleted prior to deactivation.
207	self::dismiss_whm() ;
208	}
209
210	/**
211	* Try to copy our advanced-cache.php file to the wordpress directory.
212	*
213	* @since 1.0.11
214	* @access public
215	* @return boolean True on success, false on failure.
216	*/
217	public static function try_copy_advanced_cache()
218	{
219	$adv_cache_path = LSCWP_CONTENT_DIR . '/advanced-cache.php' ;
220	if ( file_exists( $adv_cache_path ) && ( filesize( $adv_cache_path ) !== 0 \|\| ! is_writable( $adv_cache_path ) ) ) {
221	return false ;
222	}
223
224	copy( LSCWP_DIR . 'includes/advanced-cache.php', $adv_cache_path ) ;
225	include( $adv_cache_path ) ;
226	$ret = defined( 'LSCACHE_ADV_CACHE' ) ;
227	return $ret ;
228	}
229
230	/**
231	* Delete whm transient msg tag
232	*
233	* @since 1.1.1
234	* @access public
235	*/
236	public static function dismiss_whm()
237	{
238	delete_transient( LiteSpeed_Cache::WHM_TRANSIENT ) ;
239	}
240
241
242	}
243