← All changes | includes/classes/Preloader.php +219 -28 2.0.2 → 3.6.3 View file →

		@@ -9,8 +9,9 @@
9	9
10	10	use PoweredCache\Async\CachePreloader;
11	11	use function PoweredCache\Utils\permalink_structure_has_trailingslash;
12	12	use function PoweredCache\Utils\site_cache_dir;
	13	+use const PoweredCache\Constants\DEFERRED_PRELOAD_QUEUE_CRON_NAME;
13	14
14	15	/**
15	16	* Class Preloader
16	17	*/
		@@ -29,8 +30,15 @@
29	30	*/
30	31	private $cache_preloader;
31	32
32	33	/**
	34	+ * Tracks whether we’ve added any URLs this request
	35	+ *
	36	+ * @var $queue_dirty
	37	+ */
	38	+ private $queue_dirty = false;
	39	+
	40	+ /**
33	41	* Return an instance of the current class
34	42	*
35	43	* @return Preloader
36	44	* @since 1.0
		@@ -51,8 +59,10 @@
51	59	* Setup routine
52	60	*/
53	61	public function setup() {
54	62	$this->settings = \PoweredCache\Utils\get_settings();
	63	+ add_filter( 'wp_resource_hints', [ $this, 'dns_prefetch' ], 10, 2 );
	64	+ add_filter( 'wp_resource_hints', [ $this, 'preconnect_resources' ], 10, 2 );
55	65
56	66	// bail if the preload not activated
57	67	if ( ! $this->settings['enable_cache_preload'] ) {
58	68	return;
		@@ -57,10 +67,9 @@
57	67	if ( ! $this->settings['enable_cache_preload'] ) {
58	68	return;
59	69	}
60	70
61		- $this->cache_preloader = CachePreloader::factory();
62		- add_filter( 'wp_resource_hints', [ $this, 'dns_prefetch' ], 10, 2 );
	71	+ $this->get_preloader();
63	72
64	73	/**
65	74	* Page cache needs to be activated to get benefits of preloading
66	75	*/
		@@ -71,10 +80,12 @@
71	80	add_action( 'admin_bar_menu', [ $this, 'admin_bar_menu' ] );
72	81	add_action( 'admin_post_powered_cache_preload_cache', [ $this, 'start_preload' ] );
73	82	add_action( 'powered_cache_purge_all_cache', [ $this, 'setup_preload_queue' ] );
74	83	add_action( 'powered_cache_clean_site_cache_dir', [ $this, 'setup_preload_queue' ] );
75		- add_action( 'powered_cache_advanced_cache_purge_post', [ $this, 'add_purged_urls_to_preload_queue' ], 10, 2 );
	84	+ add_action( 'powered_cache_advanced_cache_purge_post', [ $this, 'deferred_preload_queue' ], 10, 2 );
76	85	add_action( 'powered_cache_expired_files_deleted', [ $this, 'add_expired_urls_to_preload_queue' ], 10, 2 );
	86	+ add_action( DEFERRED_PRELOAD_QUEUE_CRON_NAME, [ $this, 'add_purged_urls_to_preload_queue' ], 10, 2 );
	87	+ add_action( 'shutdown', [ $this, 'dispatch_preload_queue' ], 0 );
77	88	}
78	89
79	90	/**
80	91	* Preload Admin bar menu
		@@ -83,9 +94,9 @@
83	94	*
84	95	* @since 1.0
85	96	*/
86	97	public function admin_bar_menu( $wp_admin_bar ) {
87		- if ( is_multisite() && ! current_user_can( 'manage_network' ) ) {
	98	+ if ( POWERED_CACHE_IS_NETWORK && ! current_user_can( 'manage_network' ) ) {
88	99	return;
89	100	}
90	101
91	102	if ( ! current_user_can( 'manage_options' ) ) {
		@@ -101,26 +112,48 @@
101	112	)
102	113	);
103	114	}
104	115
	116	+
105	117	/**
	118	+ * Get the instance of CachePreloader
	119	+ *
	120	+ * @return CachePreloader
	121	+ */
	122	+ private function get_preloader() {
	123	+ if ( ! $this->cache_preloader ) {
	124	+ $this->cache_preloader = CachePreloader::factory();
	125	+ }
	126	+
	127	+ return $this->cache_preloader;
	128	+ }
	129	+
	130	+ /**
106	131	* Add preloading items to queue
107	132	*/
108	133	public function start_preload() {
109		- if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'powered_cache_preload_cache' ) ) {
	134	+ if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'powered_cache_preload_cache' ) ) { // phpcs:ignore
110	135	wp_nonce_ays( '' );
111	136	}
112	137
113		- if ( is_multisite() && ! current_user_can( 'manage_network' ) ) {
	138	+ if ( POWERED_CACHE_IS_NETWORK && ! current_user_can( 'manage_network' ) ) {
114	139	$redirect_url = add_query_arg( 'pc_action', 'start_preload_err_permission', wp_get_referer() );
115		- wp_safe_redirect( $redirect_url );
	140	+ wp_safe_redirect( esc_url_raw( $redirect_url ) );
116	141	exit;
117	142	}
118	143
	144	+ if ( ! current_user_can( 'manage_options' ) ) {
	145	+ $redirect_url = add_query_arg( 'pc_action', 'start_preload_err_permission', wp_get_referer() );
	146	+ wp_safe_redirect( esc_url_raw( $redirect_url ) );
	147	+ exit;
	148	+ }
	149	+
	150	+ \PoweredCache\Utils\log( sprintf( 'Preload triggered from admin bar.' ) );
	151	+
119	152	$this->setup_preload_queue();
120	153
121	154	$redirect_url = add_query_arg( 'pc_action', 'start_preload', wp_get_referer() );
122		- wp_safe_redirect( $redirect_url );
	155	+ wp_safe_redirect( esc_url_raw( $redirect_url ) );
123	156	exit;
124	157	}
125	158
126	159	/**
		@@ -126,8 +159,11 @@
126	159	/**
127	160	* Setup preload
128	161	*/
129	162	public function setup_preload_queue() {
	163	+ // cancel existing process before populating
	164	+ $this->get_preloader()->cancel_process();
	165	+
130	166	if ( POWERED_CACHE_IS_NETWORK ) {
131	167	$sites = get_sites( [ 'fields' => 'ids' ] );
132	168	foreach ( $sites as $site_id ) {
133	169	switch_to_blog( $site_id );
		@@ -137,8 +173,12 @@
137	173	}
138	174	} else {
139	175	$this->populate_preload_queue();
140	176	}
	177	+
	178	+ if ( $this->settings['enable_sitemap_preload'] && function_exists( '\PoweredCachePremium\Utils\preload_sitemap' ) ) {
	179	+ \PoweredCachePremium\Utils\preload_sitemap();
	180	+ }
141	181	}
142	182
143	183	/**
144	184	* Populate preload queue based on settings
		@@ -145,14 +185,30 @@
145	185	*/
146	186	protected function populate_preload_queue() {
147	187	$preload_urls = [];
148	188
149		- // cancel existing process before populating
150		- $this->cache_preloader->cancel_process();
	189	+ if ( $this->settings['preload_homepage'] ) {
	190	+ $front_page = get_option( 'page_on_front' );
	191	+ if ( ! empty( $front_page ) ) {
	192	+ $front_page_url = get_permalink( $front_page );
	193	+ $preload_urls[] = $front_page_url;
	194	+ \PoweredCache\Utils\log( sprintf( 'Front page URL added to preload queue: %s', $front_page_url ) );
	195	+ }
151	196
152		- if ( $this->settings['preload_homepage'] ) {
153		- $preload_urls[] = get_home_url();
154		- \PoweredCache\Utils\log( sprintf( 'Home URL added to preload queue: %s', get_home_url() ) );
	197	+ $posts_page = get_option( 'page_for_posts' );
	198	+ if ( ! empty( $posts_page ) ) {
	199	+ $posts_page_url = get_permalink( $posts_page );
	200	+ $preload_urls[] = $posts_page_url;
	201	+ \PoweredCache\Utils\log( sprintf( 'Posts Page URL added to preload queue: %s', $posts_page_url ) );
	202	+ }
	203	+
	204	+ /**
	205	+ * trailingslashit important here,
	206	+ * likely redirection is not followed for non-blocking preload request
	207	+ */
	208	+ $home_url = trailingslashit( get_home_url() );
	209	+ $preload_urls[] = $home_url;
	210	+ \PoweredCache\Utils\log( sprintf( 'Home URL added to preload queue: %s', $home_url ) );
155	211	}
156	212
157	213	if ( $this->settings['preload_public_posts'] ) {
158	214	$public_post_urls = $this->prepare_public_posts_urls();
		@@ -165,17 +221,43 @@
165	221	$preload_urls = array_merge( $preload_urls, $public_tax_term_urls );
166	222	\PoweredCache\Utils\log( sprintf( 'Public tax terms added to preload queue. ' ) );
167	223	}
168	224
	225	+ /**
	226	+ * Filters preload urls before sending to queue
	227	+ *
	228	+ * @hook populate_preload_queue_urls
	229	+ *
	230	+ * @param {array} $preload_urls The list of preload urls
	231	+ *
	232	+ * @return {array} New value.
	233	+ * @since 2.4
	234	+ */
	235	+ $preload_urls = apply_filters( 'populate_preload_queue_urls', $preload_urls );
	236	+
169	237	foreach ( $preload_urls as $url ) {
170		- $this->cache_preloader->push_to_queue( $url );
	238	+ $this->add_url_to_preload_queue( $url );
171	239	}
	240	+ }
172	241
173		- $this->cache_preloader->save()->dispatch();
174		-
175		- if ( $this->settings['enable_sitemap_preload'] && function_exists( '\PoweredCachePremium\Utils\preload_sitemap' ) ) {
176		- \PoweredCachePremium\Utils\preload_sitemap();
177		- }
	242	+ /**
	243	+ * Add URLs to preload queue with a delay
	244	+ *
	245	+ * @param int $post_id Post ID
	246	+ * @param array $urls The URL list of the related pages that will be preloaded
	247	+ *
	248	+ * @since 3.6
	249	+ */
	250	+ public function deferred_preload_queue( $post_id, $urls ) {
	251	+ \PoweredCache\Utils\log( sprintf( 'Post ID %d purged from cache, adding related URLs to preload queue with a delay.', $post_id ) );
	252	+ wp_schedule_single_event(
	253	+ time() + 10,
	254	+ DEFERRED_PRELOAD_QUEUE_CRON_NAME,
	255	+ [
	256	+ 'post_id' => $post_id,
	257	+ 'urls' => $urls,
	258	+ ]
	259	+ );
178	260	}
179	261
180	262
181	263	/**
		@@ -186,18 +268,23 @@
186	268	*
187	269	* @since 2.0
188	270	*/
189	271	public function add_purged_urls_to_preload_queue( $post_id, $urls ) {
	272	+ $post_url = get_permalink( $post_id );
	273	+
	274	+ // include post itself all the time
	275	+ if ( ! empty( $post_url ) ) {
	276	+ $this->add_url_to_preload_queue( $post_url );
	277	+ }
	278	+
190	279	if ( ! $urls ) {
191	280	return;
192	281	}
193	282
194	283	foreach ( $urls as $url ) {
195		- $this->cache_preloader->push_to_queue( $url );
196		- \PoweredCache\Utils\log( sprintf( 'Pushed to preload queue [add_purged_urls_to_preload_queue]: %s', $url ) );
	284	+ $this->add_url_to_preload_queue( $url );
197	285	}
198	286
199		- $this->cache_preloader->save()->dispatch();
200	287	}
201	288
202	289	/**
203	290	* Requeue deleted URLs
		@@ -241,13 +328,11 @@
241	328	foreach ( $expired_urls as $url ) {
242	329	if ( $has_trailingslash ) {
243	330	$url = trailingslashit( $url );
244	331	}
245		- $this->cache_preloader->push_to_queue( $url );
246		- \PoweredCache\Utils\log( sprintf( 'Pushed to preload queue [add_expired_urls_to_preload_queue]: %s', $url ) );
	332	+ $this->add_url_to_preload_queue( $url );
247	333	}
248	334
249		- $this->cache_preloader->save()->dispatch();
250	335	}
251	336
252	337	/**
253	338	* Prep. public post urls for preload queue
		@@ -421,8 +506,9 @@
421	506	* @param array $urls URLs to print for resource hints.
422	507	* @param string $relation_type The relation type the URLs are printed for, e.g. 'preconnect' or 'prerender'.
423	508	*
424	509	* @return array $urls resource hints
	510	+ * @since 2.2 "preconnect" hint split from dns prefetch
425	511	*/
426	512	public function dns_prefetch( $urls, $relation_type ) {
427	513	$domains = $this->get_prefetch_dns();
428	514	if ( $domains && is_array( $domains ) ) {
		@@ -427,11 +513,30 @@
427	513	$domains = $this->get_prefetch_dns();
428	514	if ( $domains && is_array( $domains ) ) {
429	515	foreach ( $domains as $domain ) {
430	516	if ( 'dns-prefetch' === $relation_type ) {
	517	+ $domain = str_replace( [ 'http://', 'https://' ], '//', $domain );
431	518	$urls[] = $domain;
432	519	}
	520	+ }
	521	+ }
433	522
	523	+ return $urls;
	524	+ }
	525	+
	526	+ /**
	527	+ * Add "preconnect" hint for critical resources
	528	+ *
	529	+ * @param array $urls URLs
	530	+ * @param string $relation_type the type of hint
	531	+ *
	532	+ * @return array $urls Resource list
	533	+ * @since 2.2
	534	+ */
	535	+ public function preconnect_resources( $urls, $relation_type ) {
	536	+ $domains = $this->get_preconnect_resources();
	537	+ if ( $domains && is_array( $domains ) ) {
	538	+ foreach ( $domains as $domain ) {
434	539	if ( 'preconnect' === $relation_type ) {
435	540	$parsed = wp_parse_url( $domain );
436	541	if ( empty( $parsed['scheme'] ) ) {
437	542	$domain = set_url_scheme( $domain );
		@@ -469,9 +574,33 @@
469	574	*/
470	575	return apply_filters( 'powered_cache_prefetch_dns', $prefetch_dns );
471	576	}
472	577
	578	+ /**
	579	+ * Get the list of preconnect domains
	580	+ *
	581	+ * @return mixed|void
	582	+ * @since 2.2
	583	+ */
	584	+ public function get_preconnect_resources() {
	585	+ $settings = \PoweredCache\Utils\get_settings();
473	586
	587	+ $preconnect_resources = preg_split( '#(\r\n|\r|\n)#', $settings['preconnect_resource'], - 1, PREG_SPLIT_NO_EMPTY );
	588	+
	589	+ /**
	590	+ * Filters Preconnect resource list.
	591	+ *
	592	+ * @hook powered_cache_preconnect_resource
	593	+ *
	594	+ * @param {array} $preconnect_resources The list of prefetch domains.
	595	+ *
	596	+ * @return {array} New value.
	597	+ * @since 2.2
	598	+ */
	599	+ return apply_filters( 'powered_cache_preconnect_resource', $preconnect_resources );
	600	+ }
	601	+
	602	+
474	603	/**
475	604	* Make preload request
476	605	*
477	606	* @param string $url Target URL
		@@ -514,9 +643,9 @@
514	643	* @since 2.0
515	644	*/
516	645	do_action( 'powered_cache_preload_http_request', $url, $args );
517	646
518		- \PoweredCache\Utils\log( sprintf( 'Preloading...%s: %s', $url, print_r( $args, true ) ) ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_print_r
	647	+ \PoweredCache\Utils\log( sprintf( 'Processing..: %s', $url ) ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_print_r
519	648
520	649	return wp_remote_get( esc_url_raw( $url ), $args );
521	650	}
522	651
		@@ -530,14 +659,29 @@
530	659	* Filters wait time between preload requests.
531	660	*
532	661	* @hook powered_cache_preload_request_interval
533	662	*
534		- * @param {int} $delay Delay time in milliseconds.
	663	+ * @param {int} $delay Delay time in microseconds.
535	664	*
536	665	* @return {int} New value.
537	666	* @since 2.0
538	667	*/
539		- usleep( absint( apply_filters( 'powered_cache_preload_request_interval', $delay ) ) );
	668	+ $delay = absint( apply_filters( 'powered_cache_preload_request_interval', $delay ) );
	669	+
	670	+ // Convert the delay to seconds and microseconds
	671	+ $seconds = intdiv( $delay, 1000000 ); // Get full seconds
	672	+ $microseconds = $delay % 1000000; // Get remaining microseconds
	673	+
	674	+ // Use sleep() for full second delays
	675	+ if ( $seconds > 0 ) {
	676	+ sleep( $seconds );
	677	+ }
	678	+
	679	+ // Use usleep() for remaining microseconds
	680	+ // sleeping more than 1 seconds may not be supported by the operating system with usleep
	681	+ if ( $microseconds > 0 ) {
	682	+ usleep( $microseconds );
	683	+ }
540	684	}
541	685
542	686
543	687	/**
		@@ -556,7 +700,54 @@
556	700	* @return {string} New value.
557	701	* @since 2.0
558	702	*/
559	703	return apply_filters( 'powered_cache_preload_mobile_user_agent', 'Powered Cache Preloader mobile iPhone' );
	704	+ }
	705	+
	706	+ /**
	707	+ * Add a URL to the preload queue with optional filtering.
	708	+ *
	709	+ * @param string $url The URL to add to the preload queue.
	710	+ *
	711	+ * @since 3.4
	712	+ */
	713	+ protected function add_url_to_preload_queue( $url ) {
	714	+ /**
	715	+ * Filters whether a URL should be added to the preload queue.
	716	+ *
	717	+ * @hook powered_cache_preload_add_url_to_queue
	718	+ *
	719	+ * @param {boolean} $preload Whether to preload the URL. Default true.
	720	+ * @param {string} $url The URL to be preloaded.
	721	+ *
	722	+ * @return {boolean} Whether to preload the URL.
	723	+ * @since 3.4
	724	+ */
	725	+ $do_preload = apply_filters( 'powered_cache_preload_add_url_to_queue', true, $url );
	726	+
	727	+ if ( $do_preload ) {
	728	+ $this->get_preloader()->push_to_queue( $url );
	729	+ $this->queue_dirty = true;
	730	+ \PoweredCache\Utils\log( sprintf( 'URL added to preload queue : %s', $url ) );
	731	+ } else {
	732	+ \PoweredCache\Utils\log( sprintf( 'URL skipped from preload queue: %s', $url ) );
	733	+ }
	734	+ }
	735	+
	736	+ /**
	737	+ * Dispatch the preload queue if it has been modified.
	738	+ *
	739	+ * @return void
	740	+ * @since 3.6
	741	+ */
	742	+ public function dispatch_preload_queue() {
	743	+ if ( ! $this->queue_dirty ) {
	744	+ return;
	745	+ }
	746	+
	747	+ // This will serialize the queue into the DB and fire off the async request
	748	+ $this->get_preloader()->save()->dispatch();
	749	+
	750	+ \PoweredCache\Utils\log( 'Dispatched preload queue.' );
560	751	}
561	752
562	753	}