wp-optimize / minify / class-wp-optimize-minify.php

class-wp-optimize-minify.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 4.6.1, at minify/class-wp-optimize-minify.php

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1	<?php
2	if (!defined('ABSPATH')) die('No direct access allowed');
3
4	define('WP_OPTIMIZE_MINIFY_VERSION', '2.6.5');
5	define('WP_OPTIMIZE_MINIFY_DIR', dirname(__FILE__));
6	if (!defined('WP_OPTIMIZE_SHOW_MINIFY_ADVANCED')) define('WP_OPTIMIZE_SHOW_MINIFY_ADVANCED', false);
7
8	class WP_Optimize_Minify {
9
10	/**
11	* Minify commands object
12	*
13	* @var WP_Optimize_Minify_Commands
14	*/
15	public $minify_commands;
16
17	/**
18	* @var bool
19	*/
20	private $enabled;
21
22	/**
23	* Constructor - Initialize actions and filters
24	*
25	* @return void
26	*/
27	public function __construct() {
28
29	$this->minify_commands = new WP_Optimize_Minify_Commands();
30
31	if (!class_exists('WP_Optimize_Minify_Config')) {
32	include WP_OPTIMIZE_MINIFY_DIR.'/class-wp-optimize-minify-config.php';
33	}
34
35	$this->enabled = wp_optimize_minify_config()->is_enabled();
36
37	$this->load_admin();
38
39	add_filter('wpo_cache_admin_bar_menu_items', array($this, 'admin_bar_menu'), 30);
40
41	if (WP_Optimize::is_premium()) {
42	$this->load_premium();
43	}
44
45	/**
46	* Directory that stores the cache, including gzipped files and mobile specific cache
47	*/
48	if (!defined('WPO_CACHE_MIN_FILES_DIR')) define('WPO_CACHE_MIN_FILES_DIR', untrailingslashit(WP_CONTENT_DIR).'/cache/wpo-minify');
49	if (!defined('WPO_CACHE_MIN_FILES_URL')) define('WPO_CACHE_MIN_FILES_URL', untrailingslashit(WP_CONTENT_URL).'/cache/wpo-minify');
50
51	if (!class_exists('WP_Optimize_Minify_Cache_Functions')) {
52	include WP_OPTIMIZE_MINIFY_DIR.'/class-wp-optimize-minify-cache-functions.php';
53	}
54
55	$this->load_frontend();
56
57	// cron job to delete old wpo_min cache
58	add_action('wpo_minify_purge_old_cache', array('WP_Optimize_Minify_Cache_Functions', 'purge_old'));
59
60	add_action('wp_loaded', array($this, 'schedule_or_unschedule_purge_old_cache_event'));
61
62	// Handle minify cache purging.
63	add_action('wp_loaded', array($this, 'handle_purge_minify_cache'));
64
65	}
66
67	/**
68	* Schedule or unschedule purge old cache event.
69	*
70	* @return void
71	*/
72	public function schedule_or_unschedule_purge_old_cache_event() {
73	if ($this->enabled) {
74	$this->schedule_purge_old_cache_event();
75	} else {
76	$this->unschedule_purge_old_cache_event();
77	}
78	}
79
80	/**
81	* Returns singleton instance object
82	*
83	* @return WP_Optimize_Minify Returns `WP_Optimize_Minify` object
84	*/
85	public static function instance() {
86	static $_instance = null;
87	if (null === $_instance) {
88	$_instance = new self();
89	}
90	return $_instance;
91	}
92
93	/**
94	* Admin toolbar processing
95	*
96	* @param array $menu_items
97	* @return array
98	*/
99	public function admin_bar_menu($menu_items) {
100	$wpo_minify_options = wp_optimize_minify_config()->get();
101
102	if (!$wpo_minify_options['enabled'] \|\| !WP_Optimize()->current_user_can('manage_options') \|\| !($wpo_minify_options['enable_css'] \|\| $wpo_minify_options['enable_js'])) return $menu_items;
103
104	$act_url = WP_Optimize_Utils::get_url_without_cache_purge_params();
105	$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path();
106	$cache_size_info = '<h4>'.__('Minify cache', 'wp-optimize').'</h4><span><span class="label">'.__('Cache size:', 'wp-optimize').'</span> <span class="stats">'.esc_html(WP_Optimize_Minify_Cache_Functions::get_cachestats($cache_path['cachedir'])).'</span></span>';
107
108	$menu_items[] = array(
109	'id' => 'wpo_minify_cache_stats',
110	'title' => $cache_size_info,
111	'meta' => array(
112	'class' => 'wpo-cache-stats',
113	),
114	'parent' => 'wpo_purge_cache',
115	);
116
117	$menu_items[] = array(
118	'parent' => 'wpo_purge_cache',
119	'id' => 'purge_minify_cache',
120	'title' => __('Purge minify cache', 'wp-optimize'),
121	'href' => add_query_arg('_wpo_purge_minify_cache', wp_create_nonce('wpo_purge_minify_cache'), $act_url),
122	);
123	return $menu_items;
124	}
125
126	/**
127	* Check if purge single page action sent and purge cache.
128	*/
129	public function handle_purge_minify_cache() {
130	$wpo_minify_options = wp_optimize_minify_config()->get();
131	if (!$wpo_minify_options['enabled'] \|\| !WP_Optimize()->current_user_can('manage_options')) return;
132
133	$is_cache_purged = TeamUpdraft\WP_Optimize\Includes\Fragments\fetch_superglobal('get', 'wpo_minify_cache_purged');
134	if (null !== $is_cache_purged) {
135	if (is_admin()) {
136	$notice_function = 'notice_purge_minify_cache_' . ('false' === $is_cache_purged ? 'failure' : 'success');
137	add_action('admin_notices', array($this, $notice_function));
138	return;
139	} else {
140	$message = 'false' === $is_cache_purged ? __('Failed to purge the minify cache.', 'wp-optimize') : __('Minify cache purged', 'wp-optimize');
141	printf('<script>window.onload = function() {alert("%s");}</script>', esc_js($message));
142	return;
143	}
144	}
145
146	$nonce = TeamUpdraft\WP_Optimize\Includes\Fragments\verify_nonce('_wpo_purge_minify_cache', 'wpo_purge_minify_cache');
147
148	if ($nonce) {
149	$success = false;
150
151	// Purge minify
152	$results = $this->minify_commands->purge_minify_cache();
153	if ("caches cleared" === $results['result']) $success = true;
154
155	// remove nonce from url and reload page.
156	$redirect_url = WP_Optimize_Utils::get_url_without_cache_purge_params();
157	$redirect_url = add_query_arg('wpo_minify_cache_purged', $success ? $success : 'false', $redirect_url);
158	wp_redirect($redirect_url);
159
160	exit;
161
162	}
163	}
164
165	/**
166	* Load the admin class
167	*
168	* @return void
169	*/
170	private function load_admin() {
171	if (!is_admin()) return;
172	new WP_Optimize_Minify_Admin();
173	}
174
175	/**
176	* Load the frontend class
177	*
178	* @return void
179	*/
180	private function load_frontend() {
181	if ($this->enabled) {
182	new WP_Optimize_Minify_Front_End();
183	}
184	}
185
186	/**
187	* Load the premium class
188	*
189	* @return void
190	*/
191	private function load_premium() {
192	new WP_Optimize_Minify_Premium();
193	}
194
195	/**
196	* Run during activation
197	* Increment cache first as it will save files to that dir
198	*
199	* @return void
200	*/
201	public function plugin_activate() {
202	// increment cache time
203	if (class_exists('WP_Optimize_Minify_Cache_Functions')) {
204	WP_Optimize_Minify_Cache_Functions::cache_increment();
205	}
206	}
207
208	/**
209	* If the WP cron event for scheduling purging of the minify cache does not exist, then create it
210	*/
211	private function schedule_purge_old_cache_event() {
212	if (!wp_next_scheduled('wpo_minify_purge_old_cache')) {
213	wp_schedule_event(time() + 43200, 'daily', 'wpo_minify_purge_old_cache');
214	}
215	}
216
217	/**
218	* Unschedule purging of the minify cache
219	*
220	* @return void
221	*/
222	private function unschedule_purge_old_cache_event() {
223	// old cache purge event cron
224	wp_clear_scheduled_hook('wpo_minify_purge_old_cache');
225	}
226
227	/**
228	* Run during plugin deactivation
229	*
230	* @return void
231	*/
232	public function plugin_deactivate() {
233	if (class_exists('WP_Optimize_Minify_Cache_Functions') && WP_Optimize()->get_page_cache()->should_purge) {
234	WP_Optimize_Minify_Cache_Functions::purge_temp_files();
235	WP_Optimize_Minify_Cache_Functions::purge_old();
236	WP_Optimize_Minify_Cache_Functions::purge_others();
237	}
238
239	$this->unschedule_purge_old_cache_event();
240	}
241
242	/**
243	* Run during plugin uninstall
244	*
245	* @return void
246	*/
247	public function plugin_uninstall() {
248	// remove options from DB
249	if (!function_exists('wp_optimize_minify_config')) {
250	include WP_OPTIMIZE_MINIFY_DIR.'/class-wp-optimize-minify-config.php';
251	}
252	wp_optimize_minify_config()->purge();
253	// remove minified files
254	if (class_exists('WP_Optimize_Minify_Cache_Functions')) {
255	WP_Optimize_Minify_Cache_Functions::purge();
256	WP_Optimize_Minify_Cache_Functions::purge_others();
257	}
258	}
259
260	/**
261	* Shows success notice for purge minify cache
262	*/
263	public function notice_purge_minify_cache_success() {
264	$this->show_notice(__('The minify cache was successfully purged.', 'wp-optimize'), 'success');
265	}
266
267	/**
268	* Shows failure notice for purge minify cache
269	*/
270	public function notice_purge_minify_cache_failure() {
271	$this->show_notice(__('Failed to purge the minify cache.', 'wp-optimize'), 'error');
272	}
273
274	/**
275	* Show notification in WordPress admin.
276	*
277	* @param string $message HTML (no further escaping is performed)
278	* @param string $type error, warning, success, or info
279	*/
280	public function show_notice($message, $type) {
281	global $current_screen;
282
283	if ($current_screen && is_callable(array($current_screen, 'is_block_editor')) && $current_screen->is_block_editor()) :
284	?>
285	<script>
286	window.addEventListener('load', function() {
287	(function(wp) {
288	if (window.wp && wp.hasOwnProperty('data') && 'function' == typeof wp.data.dispatch) {
289	wp.data.dispatch('core/notices').createNotice(
290	'<?php echo esc_js($type); ?>',
291	'<?php echo wp_kses_post($message); ?>',
292	{
293	isDismissible: true,
294	}
295	);
296	}
297	})(window.wp);
298	});
299	</script>
300	<?php else : ?>
301	<div class="notice wpo-notice notice-<?php echo esc_attr($type); ?> is-dismissible">
302	<p><?php echo wp_kses_post($message); ?></p>
303	</div>
304	<?php
305	endif;
306	}
307
308	/**
309	* Check if current user can purge cache.
310	*
311	* @return bool
312	*/
313	public function can_purge_cache() {
314	return WP_Optimize_Utils::current_user_can_purge_cache();
315	}
316	}
317