← All changes | cache/class-wp-optimize-page-cache-preloader.php +100 -34 3.7.1 → 4.7.0 View file →

		@@ -6,13 +6,22 @@
6	6	require_once(WPO_PLUGIN_MAIN_PATH . 'cache/class-wpo-load-url-task.php');
7	7	}
8	8
9	9	class WP_Optimize_Page_Cache_Preloader extends WP_Optimize_Preloader {
10		-
	10	+
	11	+ /**
	12	+ * @var string
	13	+ */
11	14	protected $preload_type = 'page_cache';
12		-
	15	+
	16	+ /**
	17	+ * @var string
	18	+ */
13	19	protected $task_type = 'load-url-task';
14		-
	20	+
	21	+ /**
	22	+ * @var null | WP_Optimize_Page_Cache_Preloader
	23	+ */
15	24	static protected $_instance = null;
16	25
17	26	/**
18	27	* List of URLs for which a task will be created to preload them into cache
		@@ -58,9 +67,9 @@
58	67	if (!empty($new_settings['enable_schedule_preload'])) {
59	68
60	69	$last_schedule_type = $previous_settings['preload_schedule_type'];
61	70
62		- $last_use_nighttime = $this->options->get_option('page_cache_schedule_preload_nighttime');
	71	+ $last_use_nighttime = (int) $this->options->get_option('page_cache_schedule_preload_nighttime');
63	72	// By default, we schedule preload events to the nighttime.
64	73	$use_nighttime = apply_filters('wpo_page_cache_schedule_preload_use_nighttime', 1);
65	74
66	75	$this->options->update_option('page_cache_schedule_preload_nighttime', $use_nighttime);
		@@ -66,13 +75,13 @@
66	75	$this->options->update_option('page_cache_schedule_preload_nighttime', $use_nighttime);
67	76
68	77	if (wp_next_scheduled('wpo_page_cache_schedule_preload')) {
69	78	// if already scheduled this schedule type
70		- if ($new_settings['preload_schedule_type'] == $last_schedule_type && ($last_use_nighttime === $use_nighttime)) {
	79	+ if ($new_settings['preload_schedule_type'] === $last_schedule_type && ($last_use_nighttime === $use_nighttime)) {
71	80	// If the schedule type is cache lifespan, check if the cache lifespan changed.
72		- if ('wpo_use_cache_lifespan' == $new_settings['preload_schedule_type']) {
	81	+ if ('wpo_use_cache_lifespan' === $new_settings['preload_schedule_type']) {
73	82	// Else, if the settings cache lifespan settings haven't changed, returns
74		- if ($new_settings['page_cache_length_value'] == $previous_settings['page_cache_length_value'] && $new_settings['page_cache_length_unit'] == $previous_settings['page_cache_length_unit']) {
	83	+ if ($new_settings['page_cache_length_value'] === $previous_settings['page_cache_length_value'] && $new_settings['page_cache_length_unit'] === $previous_settings['page_cache_length_unit']) {
75	84	return;
76	85	}
77	86	} else {
78	87	return;
		@@ -120,8 +129,19 @@
120	129	}
121	130	}
122	131
123	132	/**
	133	+ * Reschedule preload action on plugin activation if page cache enabled.
	134	+ *
	135	+ * @return void
	136	+ */
	137	+ public function maybe_reschedule_preload_on_activation() {
	138	+ if ($this->get_cache_config('enable_page_caching')) {
	139	+ $this->reschedule_preload();
	140	+ }
	141	+ }
	142	+
	143	+ /**
124	144	* Check if scheduled preload enabled.
125	145	*
126	146	* @return bool
127	147	*/
		@@ -138,9 +158,9 @@
138	158	$schedule_type = WPO_Cache_Config::instance()->get_option('preload_schedule_type');
139	159	if (!$schedule_type) return;
140	160
141	161	// Don't run preload if cache lifespan option enabled and cache not expired yet.
142		- if ('wpo_use_cache_lifespan' == $schedule_type) {
	162	+ if ('wpo_use_cache_lifespan' === $schedule_type) {
143	163
144	164	/**
145	165	* Filters the allowed time difference between the cache exiry and the current time, in seconds.
146	166	* If the cache expires in less than $allowed_time_difference, preload. Otherwise leave it.
		@@ -180,8 +200,10 @@
180	200
181	201	/**
182	202	* Get cache config option value.
183	203	*
	204	+ * @param string $option
	205	+ *
184	206	* @return mixed
185	207	*/
186	208	public function get_cache_config($option) {
187	209	static $config = null;
		@@ -207,10 +229,12 @@
207	229	if (!empty($urls)) {
208	230
209	231	$this->log(__('Creating tasks for preload site urls.', 'wp-optimize'));
210	232
	233	+ $wpo_cache_specific_urls_only = wpo_cache_specific_urls_only();
	234	+
211	235	foreach ($urls as $url) {
212		- if (wpo_url_in_exceptions($url)) continue;
	236	+ if (!$wpo_cache_specific_urls_only && wpo_url_in_exceptions($url)) continue;
213	237
214	238	if ($this->url_is_already_cached($url, $type)) {
215	239	continue;
216	240	}
		@@ -243,9 +267,9 @@
243	267	if (!$is_mobile_caching_enabled) return;
244	268
245	269	$mobile_args = array(
246	270	'httpversion' => '1.1',
247		- 'user-agent' => 'Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1',
	271	+ 'user-agent' => WP_Optimize_Utils::get_user_agent('mobile'),
248	272	'timeout' => 10,
249	273	'headers' => apply_filters('wpo_preload_headers', array()),
250	274	);
251	275
		@@ -267,9 +291,9 @@
267	291	if (!apply_filters('wpo_should_preload_amp', false, $url)) return;
268	292
269	293	$amp_args = array(
270	294	'httpversion' => '1.1',
271		- 'user-agent' => 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36',
	295	+ 'user-agent' => WP_Optimize_Utils::get_user_agent(),
272	296	'timeout' => 10,
273	297	'headers' => array(
274	298	'X-WP-Optimize-Cache-Preload' => 'Yes',
275	299	),
		@@ -299,8 +323,9 @@
299	323	$urls = $this->get_post_urls();
300	324	$this->options->update_option('wpo_last_page_cache_preload_type', 'posts');
301	325	}
302	326
	327	+ // translators: %d: Number of URLs found
303	328	$this->log(sprintf(_n('%d url found.', '%d urls found.', count($urls), 'wp-optimize'), count($urls)));
304	329
305	330	/**
306	331	* Filter the URLs which will be preloaded
		@@ -307,9 +332,10 @@
307	332	*
308	333	* @param array $urls
309	334	* @return array
310	335	*/
311		- return apply_filters('wpo_preload_get_site_urls', $urls);
	336	+ $filtered_urls = apply_filters('wpo_preload_get_site_urls', $urls);
	337	+ return is_array($filtered_urls) ? $filtered_urls : $urls;
312	338	}
313	339
314	340	/**
315	341	* Loads sitemap file and returns list of urls.
		@@ -335,12 +361,12 @@
335	361
336	362	// if we get error then
337	363	// sometimes returns error due to timeout
338	364	if (is_wp_error($response)) {
339		- $response = file_get_contents($sitemap_url);
	365	+ $response = @file_get_contents($sitemap_url); // phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged -- suppress warnings when there is network error
340	366
341	367	// if response is empty then try load from file.
342		- if (empty($response) && '' == $sitemap_url) {
	368	+ if (empty($response)) {
343	369	$sitemap_file = $this->get_local_sitemap_file();
344	370
345	371	if (is_file($sitemap_file)) {
346	372	$response = file_get_contents($sitemap_file);
		@@ -417,9 +443,9 @@
417	443	// if there any separators add urls for each page
418	444	if (count($matches[0])) {
419	445	$prefix = strpos($permalink, '?') ? '&page=' : '';
420	446	for ($page = 0; $page < count($matches[0]); $page++) {
421		- if ('' != $prefix) {
	447	+ if ('' !== $prefix) {
422	448	$urls[] = $permalink . $prefix . ($page+2);
423	449	} else {
424	450	$urls[] = trailingslashit($permalink) . ($page+2);
425	451	}
		@@ -457,9 +483,9 @@
457	483	* @return bool
458	484	*/
459	485	public function is_domain_mapping_enabled() {
460	486	// SUNRISE constant is defined with installation WordPress MU Domain Mapping plugin.
461		- $enabled = is_multisite() && defined('SUNRISE') && 'on' == strtolower(SUNRISE);
	487	+ $enabled = is_multisite() && defined('SUNRISE') && 'on' === strtolower(SUNRISE);
462	488
463	489	/**
464	490	* Filters if Multisite Domain mapping is enabled.
465	491	* Currently, we can only detect if the WordPress MU Domain Mapping plugin is in use.
		@@ -480,11 +506,11 @@
480	506
481	507	$domain = '';
482	508	$multisite_plugin_table_name = $wpdb->base_prefix.'domain_mapping';
483	509	// Check if table exists
484		- if ($wpdb->get_var("SHOW TABLES LIKE '$multisite_plugin_table_name'") != $multisite_plugin_table_name) {
	510	+ if ($wpdb->get_var("SHOW TABLES LIKE '" . esc_sql($multisite_plugin_table_name) . "'") !== $multisite_plugin_table_name) {
485	511	// This table created in WordPress MU Domain Mapping plugin.
486		- $row = $wpdb->get_row("SELECT `domain` FROM {$multisite_plugin_table_name} WHERE `blog_id` = {$blog_id} AND `active` = 1", ARRAY_A);
	512	+ $row = $wpdb->get_row($wpdb->prepare("SELECT `domain` FROM " .esc_sql($multisite_plugin_table_name) . " WHERE `blog_id` = %d AND `active` = %d", $blog_id, 1), ARRAY_A);
487	513	if (!empty($row)) {
488	514	$domain = $row['domain'];
489	515	}
490	516	} else {
		@@ -506,10 +532,11 @@
506	532	*
507	533	* @return void
508	534	*/
509	535	public function create_tasks_for_auto_preload_urls() {
	536	+ $wpo_cache_specific_urls_only = wpo_cache_specific_urls_only();
510	537	foreach ($this->url_preload_list as $url) {
511		- if (wpo_url_in_exceptions($url)) continue;
	538	+ if (!$wpo_cache_specific_urls_only && wpo_url_in_exceptions($url)) continue;
512	539
513	540	$description = 'Preload - '.$url;
514	541	$options = array('url' => $url, 'preload_type' => 'manual', 'anonymous_user_allowed' => (defined('DOING_CRON') && DOING_CRON) || (defined('WP_CLI') && WP_CLI));
515	542
		@@ -531,10 +558,10 @@
531	558
532	559	/**
533	560	* Captures and logs any interesting messages
534	561	*
535		- * @param String $message - the error message
536		- * @param String $error_type - the error type
	562	+ * @param string $message - the error message
	563	+ * @param string $error_type - the error type
537	564	*/
538	565	public function log($message, $error_type = 'info') {
539	566
540	567	if (isset($this->loggers)) {
		@@ -589,16 +616,16 @@
589	616	continue;
590	617	}
591	618
592	619	if ($this->should_regenerate_file($file_path, $preload_type)) {
593		- // delefe the expired cache file
594		- unlink($file_path);
	620	+ // delete the expired cache file
	621	+ wp_delete_file($file_path);
595	622	$regenerate_count++;
596	623	}
597	624	}
598	625
599	626	// if 0 == $regenerate_count, nothing all the expected files exist, and none were deleted.
600		- return 0 == $regenerate_count;
	627	+ return 0 === $regenerate_count;
601	628	}
602	629
603	630	/**
604	631	* Determine if a file should be regenerated
		@@ -622,9 +649,9 @@
622	649	// Sets the variables once per request:
623	650	if (null === $is_preloader_scheduled) {
624	651	$is_preloader_scheduled = WPO_Cache_Config::instance()->get_option('enable_schedule_preload');
625	652	$schedule_type = WPO_Cache_Config::instance()->get_option('preload_schedule_type');
626		- $lifespan = WPO_Cache_Config::instance()->get_option('page_cache_length');
	653	+ $lifespan = (int) WPO_Cache_Config::instance()->get_option('page_cache_length');
627	654	$schedule_interval = $this->get_schedule_interval($schedule_type);
628	655
629	656	/**
630	657	* Expiry threshold: the current file will be considered stale if within the threshold. Default: 600s (10min)
		@@ -646,9 +673,9 @@
646	673	*/
647	674	$regenerate_file_when_no_expiry_date = apply_filters('wpo_regenerate_file_when_no_expiry_date', true);
648	675	}
649	676
650		- if (($always_regenerate_file_if_preload_is_manual && 'manual' == $preload_type) || ($always_regenerate_file_if_preload_is_scheduled && 'scheduled' == $preload_type)) {
	677	+ if (($always_regenerate_file_if_preload_is_manual && 'manual' === $preload_type) || ($always_regenerate_file_if_preload_is_scheduled && 'scheduled' === $preload_type)) {
651	678	$result = true;
652	679	} else {
653	680
654	681	$modified_time = (int) filemtime($path);
		@@ -653,9 +680,9 @@
653	680
654	681	$modified_time = (int) filemtime($path);
655	682
656	683	// cache lifespan is set.
657		- if (0 != $lifespan) {
	684	+ if (0 !== $lifespan) {
658	685	$expiry_time = $modified_time + $lifespan - $lifespan_expiry_threshold;
659	686	$result = time() > $expiry_time;
660	687	} elseif ($is_preloader_scheduled) {
661	688	$expiry_time = $modified_time + $schedule_interval - $lifespan_expiry_threshold;
		@@ -670,8 +697,10 @@
670	697	}
671	698
672	699	/**
673	700	* Add preloader headers
	701	+ *
	702	+ * @param array $headers Preload headers
674	703	*/
675	704	public function preload_headers($headers) {
676	705	$headers['X-WP-Optimize-Cache-Preload'] = 'Yes';
677	706	return $headers;
		@@ -699,13 +728,25 @@
699	728	'success' => false,
700	729	'error' => __('Probably page cache preload is running already.', 'wp-optimize')
701	730	);
702	731	}
703		-
	732	+
	733	+ /**
	734	+ * Returns preload data
	735	+ *
	736	+ * @return array
	737	+ */
704	738	protected function get_preload_data() {
705	739	return WP_Optimize()->get_page_cache()->get_cache_size();
706	740	}
707		-
	741	+
	742	+ /**
	743	+ * Returns preloading message
	744	+ *
	745	+ * @param array $cache_size
	746	+ *
	747	+ * @return array
	748	+ */
708	749	protected function get_preloading_message($cache_size) {
709	750	return array(
710	751	'done' => false,
711	752	'message' => __('Loading URLs...', 'wp-optimize'),
		@@ -712,18 +753,34 @@
712	753	'size' => WP_Optimize()->format_size($cache_size['size']),
713	754	'file_count' => $cache_size['file_count']
714	755	);
715	756	}
716		-
	757	+
	758	+ /**
	759	+ * Returns last preload message
	760	+ *
	761	+ * @param array $cache_size
	762	+ * @param string $last_preload_time_str
	763	+ *
	764	+ * @return array
	765	+ */
717	766	protected function get_last_preload_message($cache_size, $last_preload_time_str) {
718	767	return array(
719	768	'done' => true,
	769	+ // translators: %s is the last preload time
720	770	'message' => sprintf(__('Last preload finished at %s', 'wp-optimize'), $last_preload_time_str),
721	771	'size' => WP_Optimize()->format_size($cache_size['size']),
722	772	'file_count' => $cache_size['file_count']
723	773	);
724	774	}
725		-
	775	+
	776	+ /**
	777	+ * Returns preload success message
	778	+ *
	779	+ * @param array $cache_size
	780	+ *
	781	+ * @return array
	782	+ */
726	783	protected function get_preload_success_message($cache_size) {
727	784	return array(
728	785	'done' => true,
729	786	'size' => WP_Optimize()->format_size($cache_size['size']),
		@@ -729,9 +786,18 @@
729	786	'size' => WP_Optimize()->format_size($cache_size['size']),
730	787	'file_count' => $cache_size['file_count']
731	788	);
732	789	}
733		-
	790	+
	791	+ /**
	792	+ * Returns preload progress message
	793	+ *
	794	+ * @param array $cache_size
	795	+ * @param string $preloaded_message
	796	+ * @param int $preload_resuming_in
	797	+ *
	798	+ * @return array
	799	+ */
734	800	protected function get_preload_progress_message($cache_size, $preloaded_message, $preload_resuming_in) {
735	801	return array(
736	802	'done' => false,
737	803	'message' => $preloaded_message,
		@@ -752,10 +818,10 @@
752	818
753	819	$gmt_offset = WP_Optimize_Utils::get_gmt_offset();
754	820
755	821	// Set time to random time from 1 a.m. to 4:59 a.m.
756		- $random_time = sprintf('%02d:%02d', rand(1, 4), rand(0, 59));
757		- $nighttime = strtotime(date("Y-m-d {$random_time}:00", $time)) - $gmt_offset;
	822	+ $random_time = sprintf('%02d:%02d', wp_rand(1, 4), wp_rand(0, 59));
	823	+ $nighttime = strtotime(gmdate("Y-m-d {$random_time}:00", $time)) - $gmt_offset;
758	824
759	825	if ($nighttime < time()) $nighttime += 24 * 3600;
760	826
761	827	return $nighttime;