docket-cache / includes / src / Dropino.php

Dropino.php in Docket Cache – Object Cache Accelerator trunk, at includes/src/Dropino.php

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1	<?php
2	/**
3	* Docket Cache.
4	*
5	* @author Nawawi Jamili
6	* @license MIT
7	*
8	* @see https://github.com/nawawi/docket-cache
9	*/
10
11	namespace Nawawi\DocketCache;
12
13	\defined('ABSPATH') \|\| exit;
14
15	final class Dropino extends Bepart
16	{
17	private $path;
18	public $wpcondir;
19	public $condir;
20
21	public function __construct($path)
22	{
23	$this->path = wp_normalize_path($path);
24
25	$this->wpcondir = \defined('WP_CONTENT_DIR') ? WP_CONTENT_DIR : ABSPATH.'wp-content';
26	$this->wpcondir = wp_normalize_path($this->wpcondir);
27
28	$this->condir = \defined('DOCKET_CACHE_CONTENT_PATH') ? DOCKET_CACHE_CONTENT_PATH : $this->wpcondir;
29	$this->condir = wp_normalize_path($this->condir);
30	}
31
32	/**
33	* file.
34	*/
35	public function resc()
36	{
37	$dt = [];
38	$dt['src'] = $this->path.'/includes/object-cache.php';
39	$dt['dst'] = $this->condir.'/object-cache.php';
40	$dt['wpdst'] = $this->wpcondir.'/object-cache.php';
41
42	// sync with includes/object-cache.php
43	$dt['halt'] = $this->condir.'/.object-cache-delay.txt';
44	$dt['after'] = $this->condir.'/.object-cache-after-delay.txt';
45
46	return (object) $dt;
47	}
48
49	/**
50	* exists.
51	*/
52	public function exists()
53	{
54	clearstatcache();
55
56	return @is_file($this->resc()->dst);
57	}
58
59	/**
60	* meta.
61	*/
62	private function meta($key)
63	{
64	static $cache = [];
65
66	if (isset($cache[$key])) {
67	return $cache[$key];
68	}
69
70	$cache['dropino'] = $this->plugin_meta($this->condir.'/object-cache.php');
71	$cache['plugin'] = $this->plugin_meta($this->path.'/includes/object-cache.php');
72
73	return $cache[$key];
74	}
75
76	/**
77	* validate.
78	*/
79	public function validate()
80	{
81	if (!$this->exists()) {
82	return false;
83	}
84
85	if (0 !== strcmp(nwdcx_noscheme($this->meta('dropino')['PluginURI']), nwdcx_noscheme($this->meta('plugin')['PluginURI']))) {
86	return false;
87	}
88
89	return true;
90	}
91
92	/**
93	* is_valid.
94	*/
95	public function is_outdated()
96	{
97	return version_compare($this->meta('dropino')['Version'], $this->meta('plugin')['Version'], '<') \|\| false === strpos($this->meta('dropino')['Version'], '.');
98	}
99
100	/**
101	* delay.
102	*/
103	public function delay($seconds = 5)
104	{
105	$time = time() + (int) $seconds;
106	$file_delay = $this->resc()->halt;
107	if ($this->put($file_delay, $time)) {
108	@touch($file_delay, $time);
109	}
110	}
111
112	/**
113	* undelay.
114	*/
115	public function undelay()
116	{
117	$file_delay = $this->resc()->halt;
118	$after_delay = $this->resc()->after;
119	if (@is_file($file_delay)) {
120	@unlink($file_delay);
121	}
122	if (@is_file($after_delay)) {
123	@unlink($after_delay);
124	}
125	}
126
127	/**
128	* delay_expire.
129	*/
130	public function delay_expire()
131	{
132	$file_delay = $this->resc()->halt;
133	$after_delay = $this->resc()->after;
134	if (@is_file($file_delay) && time() > @filemtime($file_delay)) {
135	@rename($file_delay, $after_delay);
136	}
137	}
138
139	/**
140	* after_delay.
141	*/
142	public function after_delay()
143	{
144	$after_delay = $this->resc()->after;
145	if (@is_file($after_delay)) {
146	if (@unlink($after_delay)) {
147	return $this->code_worker(['flush', 'preload']);
148	}
149	}
150
151	return false;
152	}
153
154	/**
155	* install.
156	*/
157	public function install($delay = false)
158	{
159	if (nwdcx_construe('DISABLED')) {
160	return false;
161	}
162
163	$src = $this->resc()->src;
164	$dst = $this->resc()->dst;
165
166	if (is_writable(\dirname($dst))) {
167	if ($delay) {
168	$this->delay();
169	}
170
171	if ($this->copy($src, $dst)) {
172	// refresh
173	$this->opcache_flush($dst);
174
175	$this->multinet_active(true);
176
177	return true;
178	}
179	}
180
181	return false;
182	}
183
184	/**
185	* uninstall.
186	*/
187	public function uninstall($delay = false)
188	{
189	if (nwdcx_construe('DISABLED')) {
190	return false;
191	}
192
193	$file = $this->resc()->dst;
194
195	$this->undelay();
196
197	if (!@is_file($file)) {
198	return true;
199	}
200
201	// remove flag file to trigger disable at admin interface
202	$this->multinet_active(false);
203
204	// dont remove drop-in if active on sub network.
205	if ((!\defined('WP_CLI') \|\| !WP_CLI) && $this->multinet_available()) {
206	return true;
207	}
208
209	$this->opcache_flush($file);
210
211	if (is_writable($file) && @unlink($file)) {
212	return true;
213	}
214
215	return false;
216	}
217
218	public function multinet_install($hook)
219	{
220	if (!is_multisite() \|\| !nwdcx_network_multi()) {
221	return false;
222	}
223
224	if (!nwdcx_wpdb($wpdb)) {
225	return false;
226	}
227
228	$table = $wpdb->base_prefix.'sitemeta';
229
230	$network_id = null;
231
232	$suppress = $wpdb->suppress_errors(true);
233
234	$query = "SELECT `site_id`,`meta_key`,`meta_value` FROM `{$table}` WHERE `meta_key`='active_sitewide_plugins' ORDER BY site_id ASC LIMIT 100";
235	$results = $wpdb->get_results($query, ARRAY_A);
236	if (!empty($results) && \is_array($results)) {
237	while ($row = @array_shift($results)) {
238	$site_id = $row['site_id'];
239	$meta_key = $row['meta_key'];
240	$meta_value = maybe_unserialize($row['meta_value']);
241
242	if (null === $network_id) {
243	$network_id = $site_id;
244	}
245
246	if (!empty($meta_value) && \is_array($meta_value) && !empty($meta_value[$hook])) {
247	$this->multinet_active(true, $site_id);
248	}
249	}
250	}
251
252	if (null !== $network_id) {
253	@file_put_contents($this->condir.'/.object-cache-network-main.txt', $network_id, \LOCK_EX);
254	}
255
256	$wpdb->suppress_errors($suppress);
257	}
258
259	private function multinet_clear_main($cleanup = false)
260	{
261	$file = $this->condir.'/.object-cache-network-main.txt';
262	if (@is_file($file)) {
263	@unlink($file);
264	}
265
266	if ($cleanup) {
267	$file = $this->condir.'/.object-cache-network-multi.txt';
268	if (@is_file($file)) {
269	@unlink($file);
270	}
271	}
272	}
273
274	private function multinet_list()
275	{
276	$list = [];
277	$files = @glob($this->condir.'/.object-cache-network-*.txt', \GLOB_MARK \| \GLOB_NOSORT);
278	if (!empty($files) && \is_array($files)) {
279	foreach ($files as $file) {
280	$fx = basename($file);
281	if (@preg_match('@^\.object-cache-network-(\d+)\.txt$@', $fx, $mm)) {
282	$id = $mm[1];
283	$list[$id] = $file;
284	}
285	}
286	}
287
288	return !empty($list) ? $list : false;
289	}
290
291	public function multinet_available()
292	{
293	$network_id = get_current_network_id();
294	$files = $this->multinet_list();
295	if (!empty($files) && \is_array($files)) {
296	foreach ($files as $id => $file) {
297	if ($id !== $network_id) {
298	return true;
299	}
300	}
301	}
302
303	return false;
304	}
305
306	public function multinet_clear($cache_path, $logfile)
307	{
308	clearstatcache();
309	$this->multinet_clear_main(true);
310
311	$files = $this->multinet_list();
312	if (!empty($files) && \is_array($files)) {
313	foreach ($files as $network_id => $file) {
314	$cachepath = $cache_path;
315	if (@is_file($file)) {
316	if (false === strpos($cache_path, '/network-')) {
317	$cachepath = $cache_path.'/network-'.$network_id.'/';
318	}
319
320	if (@is_dir($cachepath)) {
321	$this->cachedir_flush($cachepath);
322	}
323	@unlink($file);
324	}
325
326	$ext = substr($logfile, -4);
327	$fname = substr($logfile, 0, -4);
328	$logfile = $fname.'-'.$network_id.$ext;
329	if (@is_file($logfile)) {
330	@unlink($logfile);
331	}
332	}
333	}
334	}
335
336	public function multinet_tag($network_id = false)
337	{
338	$network_id = empty($network_id) ? get_current_network_id() : $network_id;
339
340	return sprintf('%s/.object-cache-network-%s.txt', $this->condir, $network_id);
341	}
342
343	public function multinet_active($status = false, $network_id = false)
344	{
345	if (!is_multisite() \|\| !nwdcx_network_multi()) {
346	return false;
347	}
348
349	$lock_file = $this->condir.'/.object-cache-network-multi.txt';
350	if (!@is_file($lock_file)) {
351	@file_put_contents($lock_file, 1, \LOCK_EX);
352	}
353
354	if (empty($network_id)) {
355	$this->multinet_clear_main();
356	$network_id = get_current_network_id();
357	}
358
359	$file = $this->multinet_tag($network_id);
360
361	clearstatcache();
362
363	$is_file = @is_file($file);
364	if ($status) {
365	if ($is_file) {
366	return true;
367	}
368
369	return $this->put($file, $network_id);
370	}
371
372	if (!$is_file) {
373	return true;
374	}
375
376	return @unlink($file);
377	}
378
379	public function multinet_me()
380	{
381	if (!is_multisite()) {
382	return true;
383	}
384
385	if (!nwdcx_network_multi()) {
386	return true;
387	}
388
389	$file = $this->multinet_tag();
390
391	return @is_file($file);
392	}
393
394	public function is_alternative()
395	{
396	if (0 === strcmp($this->wpcondir, $this->condir)) {
397	return false;
398	}
399
400	return true;
401	}
402	}
403