jetpack / modules / stats.php

stats.php in Jetpack – WP Security, Backup, Speed, & Growth 11.7.1, at modules/stats.php

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1	<?php
2	/**
3	* Module Name: Jetpack Stats
4	* Module Description: Collect valuable traffic stats and insights.
5	* Sort Order: 1
6	* Recommendation Order: 2
7	* First Introduced: 1.1
8	* Requires Connection: Yes
9	* Auto Activate: Yes
10	* Module Tags: Jetpack Stats, Site Stats, Recommended
11	* Feature: Engagement
12	* Additional Search Queries: statistics, tracking, analytics, views, traffic, stats
13	*
14	* @package automattic/jetpack
15	*/
16
17	use Automattic\Jetpack\Connection\Client;
18	use Automattic\Jetpack\Connection\Manager as Connection_Manager;
19	use Automattic\Jetpack\Connection\XMLRPC_Async_Call;
20	use Automattic\Jetpack\Redirect;
21	use Automattic\Jetpack\Stats\Main as Stats;
22	use Automattic\Jetpack\Stats\Options as Stats_Options;
23	use Automattic\Jetpack\Stats\Tracking_Pixel as Stats_Tracking_Pixel;
24	use Automattic\Jetpack\Stats\XMLRPC_Provider as Stats_XMLRPC;
25	use Automattic\Jetpack\Stats_Admin\Dashboard as StatsDashboard;
26	use Automattic\Jetpack\Tracking;
27
28	if ( defined( 'STATS_DASHBOARD_SERVER' ) ) {
29	return;
30	}
31
32	define( 'STATS_DASHBOARD_SERVER', 'dashboard.wordpress.com' );
33
34	add_action( 'jetpack_modules_loaded', 'stats_load' );
35
36	/**
37	* Load Stats.
38	*
39	* @access public
40	* @return void
41	*/
42	function stats_load() {
43	Jetpack::enable_module_configurable( __FILE__ );
44
45	add_action( 'wp_head', 'stats_admin_bar_head', 100 );
46
47	add_action( 'jetpack_admin_menu', 'stats_admin_menu' );
48
49	add_action( 'admin_init', 'stats_merged_widget_admin_init' );
50
51	add_filter( 'pre_option_db_version', 'stats_ignore_db_version' );
52
53	// Add an icon to see stats in WordPress.com for a particular post.
54	add_action( 'admin_print_styles-edit.php', 'jetpack_stats_load_admin_css' );
55	add_filter( 'manage_posts_columns', 'jetpack_stats_post_table' );
56	add_filter( 'manage_pages_columns', 'jetpack_stats_post_table' );
57	add_action( 'manage_posts_custom_column', 'jetpack_stats_post_table_cell', 10, 2 );
58	add_action( 'manage_pages_custom_column', 'jetpack_stats_post_table_cell', 10, 2 );
59	// Filter for adding the Jetpack plugin version to tracking stats.
60	add_filter( 'stats_array', 'filter_stats_array_add_jp_version' );
61
62	require_once __DIR__ . '/stats/class-jetpack-stats-upgrade-nudges.php';
63	add_action( 'updating_jetpack_version', array( 'Jetpack_Stats_Upgrade_Nudges', 'unset_nudges_setting' ) );
64	}
65
66	/**
67	* Delay conditional for current_user_can to after init.
68	*
69	* @access public
70	* @return void
71	*/
72	function stats_merged_widget_admin_init() {
73	if ( current_user_can( 'view_stats' ) ) {
74	add_action( 'load-index.php', 'stats_enqueue_dashboard_head' );
75	add_action( 'jetpack_dashboard_widget', 'stats_jetpack_dashboard_widget' );
76	}
77	}
78
79	/**
80	* Enqueue Stats Dashboard
81	*
82	* @access public
83	* @return void
84	*/
85	function stats_enqueue_dashboard_head() {
86	add_action( 'admin_head', 'stats_dashboard_head' );
87	}
88
89	/**
90	* Checks if filter is set and dnt is enabled.
91	*
92	* @deprecated 11.5
93	* @return bool
94	*/
95	function jetpack_is_dnt_enabled() {
96	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Main::jetpack_is_dnt_enabled' );
97	return Stats::jetpack_is_dnt_enabled();
98	}
99
100	/**
101	* Prevent sparkline img requests being redirected to upgrade.php.
102	* See wp-admin/admin.php where it checks $wp_db_version.
103	*
104	* @access public
105	* @param mixed $version Version.
106	* @return string $version.
107	*/
108	function stats_ignore_db_version( $version ) {
109	if (
110	is_admin() &&
111	isset( $_GET['page'] ) && 'stats' === $_GET['page'] && // phpcs:ignore WordPress.Security.NonceVerification.Recommended
112	isset( $_GET['chart'] ) && strpos( $_GET['chart'], 'admin-bar-hours' ) === 0 // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput
113	) {
114	global $wp_db_version;
115	return $wp_db_version;
116	}
117	return $version;
118	}
119
120	/**
121	* Maps view_stats cap to read cap as needed.
122	*
123	* @deprecated 11.5
124	*
125	* @access public
126	* @param mixed $caps Caps.
127	* @param mixed $cap Cap.
128	* @param mixed $user_id User ID.
129	* @return array Possibly mapped capabilities for meta capability.
130	*/
131	function stats_map_meta_caps( $caps, $cap, $user_id ) {
132	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Main::map_meta_caps' );
133	return Stats::map_meta_caps( $caps, $cap, $user_id );
134	}
135
136	/**
137	* Stats Template Redirect.
138	*
139	* @deprecated 11.5
140	* @access public
141	* @return void
142	*/
143	function stats_template_redirect() {
144	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Main::template_redirect' );
145	Stats::template_redirect();
146
147	}
148
149	/**
150	* Stats Build View Data.
151	*
152	* @deprecated 11.5
153	* @access public
154	* @return array.
155	*/
156	function stats_build_view_data() {
157	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Tracking_Pixel::build_view_data' );
158	return Stats_Tracking_Pixel::build_view_data();
159	}
160
161	/**
162	* Stats Footer.
163	*
164	* @deprecated 11.5
165	* @access public
166	* @return void
167	*/
168	function stats_footer() {
169	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Tracking_Pixel::add_to_footer' );
170	Stats_Tracking_Pixel::add_to_footer();
171
172	}
173
174	/**
175	* Render the stats footer
176	*
177	* @deprecated 11.5
178	*
179	* @param array $data Array of data for the JS stats tracker.
180	*/
181	function stats_render_footer( $data ) {
182	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Tracking_Pixel::render_footer' );
183	Stats_Tracking_Pixel::render_footer( $data );
184	}
185
186	/**
187	* Render the stats footer for AMP output.
188	*
189	* @deprecated 11.5
190	*
191	* @param array $data Array of data for the AMP pixel tracker.
192	*/
193	function stats_render_amp_footer( $data ) {
194	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Tracking_Pixel::render_amp_footer' );
195	Stats_Tracking_Pixel::render_amp_footer( $data );
196	}
197
198	/**
199	* Stats Get Options.
200	*
201	* @deprecated 11.5
202	*
203	* @access public
204	* @return array.
205	*/
206	function stats_get_options() {
207	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Options::get_options' );
208	return Stats_Options::get_options();
209	}
210
211	/**
212	* Get Stats Options.
213	*
214	* @deprecated 11.5
215	*
216	* @access public
217	* @param mixed $option Option.
218	* @return mixed\|null.
219	*/
220	function stats_get_option( $option ) {
221	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Options::get_option' );
222	return Stats_Options::get_option( $option );
223	}
224
225	/**
226	* Stats Set Options.
227	*
228	* @deprecated 11.5
229	*
230	* @access public
231	* @param mixed $option Option.
232	* @param mixed $value Value.
233	* @return bool.
234	*/
235	function stats_set_option( $option, $value ) {
236	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Options::set_option' );
237	return Stats_Options::set_option( $option, $value );
238	}
239
240	/**
241	* Stats Set Options.
242	*
243	* @deprecated 11.5
244	*
245	* @access public
246	* @param mixed $options Options.
247	* @return bool
248	*/
249	function stats_set_options( $options ) {
250	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Options::set_options' );
251	return Stats_Options::set_options( $options );
252	}
253
254	/**
255	* Stats Upgrade Options.
256	*
257	* @deprecated 11.5
258	*
259	* @access public
260	* @param mixed $options Options.
261	* @return array\|bool
262	*/
263	function stats_upgrade_options( $options ) {
264	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Automattic\Jetpack\Stats\Options::upgrade_options' );
265	return Stats_Options::upgrade_options( $options );
266	}
267
268	/**
269	* Admin Pages.
270	*
271	* @access public
272	* @return void
273	*/
274	function stats_admin_menu() {
275	global $pagenow;
276
277	// If we're at an old Stats URL, redirect to the new one.
278	// Don't even bother with caps, menu_page_url(), etc. Just do it.
279	if ( 'index.php' === $pagenow && isset( $_GET['page'] ) && 'stats' === $_GET['page'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
280	$redirect_url = str_replace( array( '/wp-admin/index.php?', '/wp-admin/?' ), '/wp-admin/admin.php?', isset( $_SERVER['REQUEST_URI'] ) ? filter_var( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : null );
281	$relative_pos = strpos( $redirect_url, '/wp-admin/' );
282	if ( false !== $relative_pos ) {
283	wp_safe_redirect( admin_url( substr( $redirect_url, $relative_pos + 10 ) ) );
284	exit;
285	}
286	}
287
288	// phpcs:ignore WordPress.Security.NonceVerification.Recommended
289	if ( ! Stats_Options::get_option( 'enable_calypso_stats' ) \|\| isset( $_GET['noheader'] ) ) {
290	$hook = add_submenu_page( 'jetpack', __( 'Stats', 'jetpack' ), __( 'Stats', 'jetpack' ), 'view_stats', 'stats', 'jetpack_admin_ui_stats_report_page_wrapper' );
291	add_action( "load-$hook", 'stats_reports_load' );
292	} else {
293	$stats_dashboard = new StatsDashboard();
294	$hook = add_submenu_page( 'jetpack', __( 'Stats', 'jetpack' ), __( 'Stats', 'jetpack' ), 'view_stats', 'stats', array( $stats_dashboard, 'render' ) );
295	add_action( "load-$hook", array( $stats_dashboard, 'admin_init' ) );
296	}
297	}
298
299	/**
300	* Stats Admin Path.
301	*
302	* @access public
303	* @return string
304	*/
305	function stats_admin_path() {
306	return Jetpack::module_configuration_url( __FILE__ );
307	}
308
309	/**
310	* Stats Reports Load.
311	*
312	* @access public
313	* @return void
314	*/
315	function stats_reports_load() {
316	require_once __DIR__ . '/stats/class-jetpack-stats-upgrade-nudges.php';
317	Jetpack_Stats_Upgrade_Nudges::init();
318
319	wp_enqueue_script( 'jquery' );
320	wp_enqueue_script( 'postbox' );
321	wp_enqueue_script( 'underscore' );
322
323	Jetpack_Admin_Page::load_wrapper_styles();
324	add_action( 'admin_print_styles', 'stats_reports_css' );
325
326	if ( ! empty( $_GET['nojs'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
327	$parsed = wp_parse_url( admin_url() );
328	// Remember user doesn't want JS.
329	setcookie( 'stnojs', '1', time() + 172800, $parsed['path'], COOKIE_DOMAIN, is_ssl(), true ); // 2 days.
330	}
331
332	if ( ! empty( $_COOKIE['stnojs'] ) ) {
333	// Detect if JS is on. If so, remove cookie so next page load is via JS.
334	add_action( 'admin_print_footer_scripts', 'stats_js_remove_stnojs_cookie' );
335	} elseif ( ! isset( $_GET['noheader'] ) && empty( $_GET['nojs'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
336	// Normal page load. Load page content via JS.
337	add_action( 'admin_print_footer_scripts', 'stats_js_load_page_via_ajax' );
338	}
339	}
340
341	/**
342	* Stats Reports CSS.
343	*
344	* @access public
345	* @return void
346	*/
347	function stats_reports_css() {
348	?>
349	<style type="text/css">
350	#jp-stats-wrap, #jp-stats-report-bottom {
351	max-width: 1040px;
352	margin: 0 auto;
353	overflow: hidden;
354	}
355
356	#stats-loading-wrap p {
357	text-align: center;
358	font-size: 2em;
359	margin: 7.5em 15px 0 0;
360	height: 64px;
361	line-height: 64px;
362	}
363	</style>
364	<?php
365	}
366
367	/**
368	* Detect if JS is on. If so, remove cookie so next page load is via JS.
369	*
370	* @access public
371	* @return void
372	*/
373	function stats_js_remove_stnojs_cookie() {
374	$parsed = wp_parse_url( admin_url() );
375	?>
376	<script type="text/javascript">
377	/* <![CDATA[ */
378	document.cookie = 'stnojs=0; expires=Wed, 9 Mar 2011 16:55:50 UTC; path=<?php echo esc_js( $parsed['path'] ); ?>';
379	/* ]]> */
380	</script>
381	<?php
382	}
383
384	/**
385	* Normal page load. Load page content via JS.
386	*
387	* @access public
388	* @return void
389	*/
390	function stats_js_load_page_via_ajax() {
391	?>
392	<script type="text/javascript">
393	/* <![CDATA[ */
394	if ( -1 == document.location.href.indexOf( 'noheader' ) ) {
395	jQuery( function( $ ) {
396	const loadStatsUrl = new URL( document.location.href );
397	loadStatsUrl.searchParams.append( 'noheader', 1 );
398	$.get( loadStatsUrl.toString(), function( responseText ) {
399	$( '#stats-loading-wrap' ).replaceWith( responseText );
400	$( '#jp-stats-wrap' )[0].dispatchEvent( new Event( 'stats-loaded' ) );
401	} );
402	} );
403	}
404	/* ]]> */
405	</script>
406	<?php
407	}
408
409	/**
410	* Jetpack Admin Page Wrapper.
411	*/
412	function jetpack_admin_ui_stats_report_page_wrapper() {
413	if ( ! isset( $_GET['noheader'] ) && empty( $_GET['nojs'] ) && empty( $_COOKIE['stnojs'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
414	Jetpack_Admin_Page::wrap_ui( 'stats_reports_page', array( 'is-wide' => true ) );
415	} else {
416	stats_reports_page();
417	}
418
419	}
420
421	/**
422	* Stats Report Page.
423	*
424	* @access public
425	* @param bool $main_chart_only (default: false) Main Chart Only.
426	*/
427	function stats_reports_page( $main_chart_only = false ) {
428
429	if ( isset( $_GET['dashboard'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
430	return stats_dashboard_widget_content();
431	}
432
433	$blog_id = Stats_Options::get_option( 'blog_id' );
434	$stats_url = Redirect::get_url( 'calypso-stats' );
435
436	if ( ! $main_chart_only && ! isset( $_GET['noheader'] ) && empty( $_GET['nojs'] ) && empty( $_COOKIE['stnojs'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
437	$nojs_url = add_query_arg( 'nojs', '1' );
438	$http = is_ssl() ? 'https' : 'http';
439	// Loading message. No JS fallback message.
440	?>
441
442	<div id="jp-stats-wrap">
443	<div class="wrap">
444	<h1><?php esc_html_e( 'Jetpack Stats', 'jetpack' ); ?>
445	<?php
446	if ( current_user_can( 'jetpack_manage_modules' ) ) :
447	$i18n_headers = jetpack_get_module_i18n( 'stats' );
448	?>
449	<a
450	style="font-size:13px;"
451	href="<?php echo esc_url( admin_url( 'admin.php?page=jetpack#/settings?term=' . rawurlencode( $i18n_headers['name'] ) ) ); ?>"
452	>
453	<?php esc_html_e( 'Configure', 'jetpack' ); ?>
454	</a>
455	<?php
456	endif;
457
458	/**
459	* Sets external resource URL.
460	*
461	* @module stats
462	*
463	* @since 1.4.0
464	* @todo Clean up various uses of this filter. It's seemingly filtering different types of images in different places.
465	*
466	* @param string $args URL of external resource.
467	*/
468	$static_url = apply_filters( 'jetpack_static_url', "{$http}://en.wordpress.com/i/loading/loading-64.gif" );
469	?>
470	</h2>
471	</div>
472	<div id="stats-loading-wrap" class="wrap">
473	<p class="hide-if-no-js"><img width="32" height="32" alt="<?php esc_attr_e( 'Loading…', 'jetpack' ); ?>" src="<?php echo esc_url( $static_url ); ?>" /></p>
474	<p style="font-size: 11pt; margin: 0;"><a href="<?php echo esc_url( $stats_url ); ?>" rel="noopener noreferrer" target="_blank"><?php esc_html_e( 'View stats on WordPress.com right now', 'jetpack' ); ?></a></p>
475	<p class="hide-if-js"><?php esc_html_e( 'Jetpack Stats work better with JavaScript enabled.', 'jetpack' ); ?><br />
476	<a href="<?php echo esc_url( $nojs_url ); ?>"><?php esc_html_e( 'View Jetpack Stats without JavaScript', 'jetpack' ); ?></a>.</p>
477	</div>
478	</div>
479	<?php
480	return;
481	}
482
483	$day = isset( $_GET['day'] ) && preg_match( '/^\d{4}-\d{2}-\d{2}$/', $_GET['day'] ) ? $_GET['day'] : false; // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput
484	$q = array(
485	'noheader' => 'true',
486	'proxy' => '',
487	'page' => 'stats',
488	'day' => $day,
489	'blog' => $blog_id,
490	'charset' => get_option( 'blog_charset' ),
491	'color' => get_user_option( 'admin_color' ),
492	'ssl' => is_ssl(),
493	'j' => sprintf( '%s:%s', JETPACK__API_VERSION, JETPACK__VERSION ),
494	);
495	if ( get_locale() !== 'en_US' ) {
496	$q['jp_lang'] = get_locale();
497	}
498	// Only show the main chart, without extra header data, or metaboxes.
499	$q['main_chart_only'] = $main_chart_only;
500	$args = array(
501	'view' => array( 'referrers', 'postviews', 'searchterms', 'clicks', 'post', 'table' ),
502	'numdays' => 'int',
503	'day' => 'date',
504	'unit' => array( '1', '7', '31', 'human' ),
505	'humanize' => array( 'true' ),
506	'num' => 'int',
507	'summarize' => null,
508	'post' => 'int',
509	'width' => 'int',
510	'height' => 'int',
511	'data' => 'data',
512	'blog_subscribers' => 'int',
513	'comment_subscribers' => null,
514	'type' => array( 'wpcom', 'email', 'pending' ),
515	'pagenum' => 'int',
516	'masterbar' => null,
517	);
518	foreach ( $args as $var => $vals ) {
519	if ( ! isset( $_REQUEST[ $var ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
520	continue;
521	}
522	$val = wp_unslash( $_REQUEST[ $var ] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
523	if ( is_array( $vals ) ) {
524	if ( in_array( $val, $vals, true ) ) {
525	$q[ $var ] = $val;
526	}
527	} elseif ( 'int' === $vals ) {
528	$q[ $var ] = (int) $val;
529	} elseif ( 'date' === $vals ) {
530	if ( preg_match( '/^\d{4}-\d{2}-\d{2}$/', $val ) ) {
531	$q[ $var ] = $val;
532	}
533	} elseif ( null === $vals ) {
534	$q[ $var ] = '';
535	} elseif ( 'data' === $vals ) {
536	if ( 'index.php' === substr( $val, 0, 9 ) ) {
537	$q[ $var ] = $val;
538	}
539	}
540	}
541
542	if ( isset( $_GET['chart'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
543	if ( preg_match( '/^[a-z0-9-]+$/', $_GET['chart'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput
544	$chart = sanitize_title( $_GET['chart'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput
545	$url = 'https://' . STATS_DASHBOARD_SERVER . "/wp-includes/charts/{$chart}.php";
546	}
547	} else {
548	$url = 'https://' . STATS_DASHBOARD_SERVER . '/wp-admin/index.php';
549	}
550
551	$url = add_query_arg( $q, $url );
552	$method = 'GET';
553	$timeout = 90;
554	$user_id = 0; // Means use the blog token.
555
556	$get = Client::remote_request( compact( 'url', 'method', 'timeout', 'user_id' ) );
557	$get_code = wp_remote_retrieve_response_code( $get );
558	if ( is_wp_error( $get ) \|\| ( 2 !== (int) ( $get_code / 100 ) && 304 !== $get_code ) \|\| empty( $get['body'] ) ) {
559	stats_print_wp_remote_error( $get, $url );
560	} else {
561	if ( ! empty( $get['headers']['content-type'] ) ) {
562	$type = $get['headers']['content-type'];
563	if ( substr( $type, 0, 5 ) === 'image' ) {
564	$img = $get['body'];
565	header( 'Content-Type: ' . $type );
566	header( 'Content-Length: ' . strlen( $img ) );
567	echo $img; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
568	die();
569	}
570	}
571	$body = stats_convert_post_titles( $get['body'] );
572	$body = stats_convert_chart_urls( $body );
573	$body = stats_convert_image_urls( $body );
574	$body = stats_convert_admin_urls( $body );
575	echo $body; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
576	}
577
578	if ( isset( $_GET['page'] ) && 'stats' === $_GET['page'] && ! isset( $_GET['chart'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
579	$tracking = new Tracking();
580	$tracking->record_user_event( 'wpa_page_view', array( 'path' => 'old_stats' ) );
581	}
582
583	if ( isset( $_GET['noheader'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
584	die;
585	}
586	}
587
588	/**
589	* Stats Convert Admin Urls.
590	*
591	* @access public
592	* @param mixed $html HTML.
593	* @return string
594	*/
595	function stats_convert_admin_urls( $html ) {
596	return str_replace( 'index.php?page=stats', 'admin.php?page=stats', $html );
597	}
598
599	/**
600	* Stats Convert Image URLs.
601	*
602	* @access public
603	* @param mixed $html HTML.
604	* @return string
605	*/
606	function stats_convert_image_urls( $html ) {
607	$url = set_url_scheme( 'https://' . STATS_DASHBOARD_SERVER );
608	$html = preg_replace( '\|(["\'])(/i/stats.+)\\1\|', '$1' . $url . '$2$1', $html );
609	return $html;
610	}
611
612	/**
613	* Callback for preg_replace_callback used in stats_convert_chart_urls()
614	*
615	* @since 5.6.0
616	*
617	* @param array $matches The matches resulting from the preg_replace_callback call.
618	* @return string The admin url for the chart.
619	*/
620	function jetpack_stats_convert_chart_urls_callback( $matches ) {
621	// If there is a query string, change the beginning '?' to a '&' so it fits into the middle of this query string.
622	return 'admin.php?page=stats&noheader&chart=' . $matches[1] . str_replace( '?', '&', $matches[2] );
623	}
624
625	/**
626	* Stats Convert Chart URLs.
627	*
628	* @access public
629	* @param mixed $html HTML.
630	* @return string
631	*/
632	function stats_convert_chart_urls( $html ) {
633	$html = preg_replace_callback(
634	'\|https?://[-.a-z0-9]+/wp-includes/charts/([-.a-z0-9]+).php(\??)\|',
635	'jetpack_stats_convert_chart_urls_callback',
636	$html
637	);
638	return $html;
639	}
640
641	/**
642	* Stats Convert Post Title HTML
643	*
644	* @access public
645	* @param mixed $html HTML.
646	* @return string
647	*/
648	function stats_convert_post_titles( $html ) {
649	global $stats_posts;
650	$pattern = "<span class='post-(\d+)-link'>.*?</span>";
651	if ( ! preg_match_all( "!$pattern!", $html, $matches ) ) {
652	return $html;
653	}
654	$posts = get_posts(
655	array(
656	'include' => implode( ',', $matches[1] ),
657	'post_type' => 'any',
658	'post_status' => 'any',
659	'numberposts' => -1,
660	'suppress_filters' => false,
661	)
662	);
663	foreach ( $posts as $post ) {
664	$stats_posts[ $post->ID ] = $post;
665	}
666	$html = preg_replace_callback( "!$pattern!", 'stats_convert_post_title', $html );
667	return $html;
668	}
669
670	/**
671	* Stats Convert Post Title Matches.
672	*
673	* @access public
674	* @param mixed $matches Matches.
675	* @return string
676	*/
677	function stats_convert_post_title( $matches ) {
678	global $stats_posts;
679	$post_id = $matches[1];
680	if ( isset( $stats_posts[ $post_id ] ) ) {
681	return '<a href="' . get_permalink( $post_id ) . '" target="_blank">' . get_the_title( $post_id ) . '</a>';
682	}
683	return $matches[0];
684	}
685
686	/**
687	* CSS to hide the tracking pixel smiley.
688	* It is now hidden for everyone (used to be visible if you had set the hide_smile option).
689	*
690	* @access public
691	* @return void
692	*/
693	function stats_hide_smile_css() {
694	?>
695	<style>img#wpstats{display:none}</style>
696	<?php
697	}
698
699	/**
700	* Stats Admin Bar Head.
701	*
702	* @access public
703	* @return void
704	*/
705	function stats_admin_bar_head() {
706	if ( ! Stats_Options::get_option( 'admin_bar' ) ) {
707	return;
708	}
709
710	if ( ! current_user_can( 'view_stats' ) ) {
711	return;
712	}
713
714	if ( ! is_admin_bar_showing() ) {
715	return;
716	}
717
718	add_action( 'admin_bar_menu', 'stats_admin_bar_menu', 100 );
719	?>
720
721	<style data-ampdevmode type='text/css'>
722	#wpadminbar .quicklinks li#wp-admin-bar-stats {
723	height: 32px;
724	}
725	#wpadminbar .quicklinks li#wp-admin-bar-stats a {
726	height: 32px;
727	padding: 0;
728	}
729	#wpadminbar .quicklinks li#wp-admin-bar-stats a div {
730	height: 32px;
731	width: 95px;
732	overflow: hidden;
733	margin: 0 10px;
734	}
735	#wpadminbar .quicklinks li#wp-admin-bar-stats a:hover div {
736	width: auto;
737	margin: 0 8px 0 10px;
738	}
739	#wpadminbar .quicklinks li#wp-admin-bar-stats a img {
740	height: 24px;
741	margin: 4px 0;
742	max-width: none;
743	border: none;
744	}
745	</style>
746	<?php
747	}
748
749	/**
750	* Gets the image source of the given stats chart.
751	*
752	* @param string $chart Name of the chart.
753	* @param array $args Extra list of argument to use in the image source.
754	* @return string An image source.
755	*/
756	function stats_get_image_chart_src( $chart, $args = array() ) {
757	$url = add_query_arg( 'page', 'stats', admin_url( 'admin.php' ) );
758
759	return add_query_arg(
760	array_merge(
761	array(
762	'noheader' => '',
763	'proxy' => '',
764	'chart' => $chart,
765	),
766	$args
767	),
768	$url
769	);
770	}
771
772	/**
773	* Stats AdminBar.
774	*
775	* @access public
776	* @param mixed $wp_admin_bar WPAdminBar.
777	* @return void
778	*/
779	function stats_admin_bar_menu( &$wp_admin_bar ) {
780	$img_src = esc_attr( stats_get_image_chart_src( 'admin-bar-hours-scale' ) );
781	$img_src_2x = esc_attr( stats_get_image_chart_src( 'admin-bar-hours-scale-2x' ) );
782	$alt = esc_attr( __( 'Stats', 'jetpack' ) );
783	$title = esc_attr( __( 'Views over 48 hours. Click for more Jetpack Stats.', 'jetpack' ) );
784
785	$menu = array(
786	'id' => 'stats',
787	'href' => add_query_arg( 'page', 'stats', admin_url( 'admin.php' ) ), // no menu_page_url() blog-side.
788	'title' => "<div><img src='$img_src' srcset='$img_src 1x, $img_src_2x 2x' width='112' height='24' alt='$alt' title='$title'></div>",
789	);
790
791	$wp_admin_bar->add_menu( $menu );
792	}
793
794	/**
795	*
796	* Deprecated. The stats module should not update blog details. This is handled by Sync.
797	*
798	* Stats Update Blog.
799	*
800	* @access public
801	* @return void
802	*
803	* @deprecated since 10.3.
804	*/
805	function stats_update_blog() {
806	_deprecated_function( __METHOD__, 'jetpack-10.3' );
807	XMLRPC_Async_Call::add_call( 'jetpack.updateBlog', 0, stats_get_blog() );
808	}
809
810	/**
811	* Stats Get Blog.
812	*
813	* @deprecated 11.5
814	*
815	* @access public
816	* @return string
817	*/
818	function stats_get_blog() {
819	_deprecated_function( __METHOD__, 'jetpack-11.5' );
820	return Stats_XMLRPC::init()->get_blog();
821	}
822
823	/**
824	* Stats Dashboard Widget Options.
825	*
826	* @access public
827	* @return array
828	*/
829	function stats_dashboard_widget_options() {
830	$defaults = array(
831	'chart' => 1,
832	'top' => 1,
833	'search' => 7,
834	);
835	$options = get_option( 'stats_dashboard_widget' );
836	if ( ( ! $options ) \|\| ! is_array( $options ) ) {
837	$options = array();
838	}
839
840	// Ignore obsolete option values.
841	$intervals = array( 1, 7, 31, 90, 365 );
842	foreach ( array( 'top', 'search' ) as $key ) {
843	if ( isset( $options[ $key ] ) && ! in_array( (int) $options[ $key ], $intervals, true ) ) {
844	unset( $options[ $key ] );
845	}
846	}
847
848	return array_merge( $defaults, $options );
849	}
850
851	/**
852	* Stats Dashboard Widget Control.
853	*
854	* @access public
855	* @return void
856	*/
857	function stats_dashboard_widget_control() {
858	$periods = array(
859	'1' => __( 'day', 'jetpack' ),
860	'7' => __( 'week', 'jetpack' ),
861	'31' => __( 'month', 'jetpack' ),
862	);
863	$intervals = array(
864	'1' => __( 'the past day', 'jetpack' ),
865	'7' => __( 'the past week', 'jetpack' ),
866	'31' => __( 'the past month', 'jetpack' ),
867	'90' => __( 'the past quarter', 'jetpack' ),
868	'365' => __( 'the past year', 'jetpack' ),
869	);
870	$defaults = array(
871	'top' => 1,
872	'search' => 7,
873	);
874
875	$options = stats_dashboard_widget_options();
876
877	if ( isset( $_SERVER['REQUEST_METHOD'] ) && 'post' === strtolower( filter_var( wp_unslash( $_SERVER['REQUEST_METHOD'] ) ) ) && isset( $_POST['stats_id'] ) && 'dashboard_stats' === $_POST['stats_id'] ) { // phpcs:ignore WordPress.Security.NonceVerification
878	if ( isset( $periods[ $_POST['chart'] ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
879	$options['chart'] = filter_var( wp_unslash( $_POST['chart'] ) ); // phpcs:ignore WordPress.Security.NonceVerification
880	}
881	foreach ( array( 'top', 'search' ) as $key ) {
882	if ( isset( $intervals[ $_POST[ $key ] ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
883	$options[ $key ] = filter_var( wp_unslash( $_POST[ $key ] ) ); // phpcs:ignore WordPress.Security.NonceVerification
884	} else {
885	$options[ $key ] = $defaults[ $key ];
886	}
887	}
888	update_option( 'stats_dashboard_widget', $options );
889	}
890	?>
891	<p>
892	<label for="chart"><?php esc_html_e( 'Chart stats by', 'jetpack' ); ?></label>
893	<select id="chart" name="chart">
894	<?php
895	foreach ( $periods as $val => $label ) {
896	?>
897	<option value="<?php echo esc_attr( $val ); ?>"<?php selected( $val, $options['chart'] ); ?>><?php echo esc_html( $label ); ?></option>
898	<?php
899	}
900	?>
901	</select>.
902	</p>
903
904	<p>
905	<label for="top"><?php esc_html_e( 'Show top posts over', 'jetpack' ); ?></label>
906	<select id="top" name="top">
907	<?php
908	foreach ( $intervals as $val => $label ) {
909	?>
910	<option value="<?php echo esc_attr( $val ); ?>"<?php selected( $val, $options['top'] ); ?>><?php echo esc_html( $label ); ?></option>
911	<?php
912	}
913	?>
914	</select>.
915	</p>
916
917	<p>
918	<label for="search"><?php esc_html_e( 'Show top search terms over', 'jetpack' ); ?></label>
919	<select id="search" name="search">
920	<?php
921	foreach ( $intervals as $val => $label ) {
922	?>
923	<option value="<?php echo esc_attr( $val ); ?>"<?php selected( $val, $options['search'] ); ?>><?php echo esc_html( $label ); ?></option>
924	<?php
925	}
926	?>
927	</select>.
928	</p>
929	<?php
930	}
931
932	/**
933	* Jetpack Stats Dashboard Widget.
934	*
935	* @access public
936	* @return void
937	*/
938	function stats_jetpack_dashboard_widget() {
939	?>
940	<form id="stats_dashboard_widget_control" action="<?php echo esc_url( admin_url() ); ?>" method="post">
941	<?php stats_dashboard_widget_control(); ?>
942	<?php wp_nonce_field( 'edit-dashboard-widget_dashboard_stats', 'dashboard-widget-nonce' ); ?>
943	<input type="hidden" name="stats_id" value="dashboard_stats" />
944	<?php submit_button( __( 'Submit', 'jetpack' ) ); ?>
945	</form>
946	<button type="button" class="handlediv js-toggle-stats_dashboard_widget_control" aria-expanded="true">
947	<span class="screen-reader-text"><?php esc_html_e( 'Configure', 'jetpack' ); ?></span>
948	<span class="toggle-indicator" aria-hidden="true"></span>
949	</button>
950	<div id="dashboard_stats">
951	<div class="inside">
952	<div style="height: 250px;"></div>
953	</div>
954	</div>
955	<?php
956	}
957
958	/**
959	* JavaScript and CSS for dashboard widget.
960	*
961	* @access public
962	* @return void
963	*/
964	function stats_dashboard_head() {
965	?>
966	<script type="text/javascript">
967	/* <![CDATA[ */
968	jQuery( function($) {
969	var dashStats = jQuery( '#dashboard_stats div.inside' );
970
971	if ( dashStats.find( '.dashboard-widget-control-form' ).length ) {
972	return;
973	}
974
975	if ( ! dashStats.length ) {
976	dashStats = jQuery( '#dashboard_stats div.dashboard-widget-content' );
977	var h = parseInt( dashStats.parent().height() ) - parseInt( dashStats.prev().height() );
978	var args = 'width=' + dashStats.width() + '&height=' + h.toString();
979	} else {
980	if ( jQuery('#dashboard_stats' ).hasClass('postbox') ) {
981	var args = 'width=' + ( dashStats.prev().width() * 2 ).toString();
982	} else {
983	var args = 'width=' + ( dashStats.width() * 2 ).toString();
984	}
985	}
986
987	dashStats
988	.not( '.dashboard-widget-control' )
989	.load( 'admin.php?page=stats&noheader&dashboard&' + args );
990
991	jQuery( window ).one( 'resize', function() {
992	jQuery( '#stat-chart' ).css( 'width', 'auto' );
993	} );
994
995
996	// Widget settings toggle container.
997	var toggle = $( '.js-toggle-stats_dashboard_widget_control' );
998
999	// Move the toggle in the widget header.
1000	toggle.appendTo( '#jetpack_summary_widget .handle-actions' );
1001
1002	// Toggle settings when clicking on it.
1003	toggle.show().click( function( e ) {
1004	e.preventDefault();
1005	e.stopImmediatePropagation();
1006	$( this ).parent().toggleClass( 'controlVisible' );
1007	$( '#stats_dashboard_widget_control' ).slideToggle();
1008	} );
1009	} );
1010	/* ]]> */
1011	</script>
1012	<?php
1013	}
1014
1015	/**
1016	* Stats Dashboard Widget Content.
1017	*
1018	* @access public
1019	* @return void
1020	*/
1021	function stats_dashboard_widget_content() {
1022	$width = isset( $_GET['width'] ) ? intval( $_GET['width'] ) / 2 : null; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1023	$height = isset( $_GET['height'] ) ? intval( $_GET['height'] ) - 36 : null; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1024	if ( ! $width \|\| $width < 250 ) {
1025	$width = 370;
1026	}
1027	if ( ! $height \|\| $height < 230 ) {
1028	$height = 180;
1029	}
1030
1031	$_width = $width - 5;
1032	$_height = $height - 5;
1033
1034	$options = stats_dashboard_widget_options();
1035	$blog_id = Jetpack_Options::get_option( 'id' );
1036
1037	$q = array(
1038	'noheader' => 'true',
1039	'proxy' => '',
1040	'blog' => $blog_id,
1041	'page' => 'stats',
1042	'chart' => '',
1043	'unit' => $options['chart'],
1044	'color' => get_user_option( 'admin_color' ),
1045	'width' => $_width,
1046	'height' => $_height,
1047	'ssl' => is_ssl(),
1048	'j' => sprintf( '%s:%s', JETPACK__API_VERSION, JETPACK__VERSION ),
1049	);
1050
1051	$url = 'https://' . STATS_DASHBOARD_SERVER . '/wp-admin/index.php';
1052
1053	$url = add_query_arg( $q, $url );
1054	$method = 'GET';
1055	$timeout = 90;
1056	$user_id = 0; // Means use the blog token.
1057
1058	$get = Client::remote_request( compact( 'url', 'method', 'timeout', 'user_id' ) );
1059	$get_code = wp_remote_retrieve_response_code( $get );
1060	if ( is_wp_error( $get ) \|\| ( 2 !== (int) ( $get_code / 100 ) && 304 !== $get_code ) \|\| empty( $get['body'] ) ) {
1061	stats_print_wp_remote_error( $get, $url );
1062	} else {
1063	$body = stats_convert_post_titles( $get['body'] );
1064	$body = stats_convert_chart_urls( $body );
1065	$body = stats_convert_image_urls( $body );
1066	echo $body; // phpcs:ignore WordPress.Security.EscapeOutput
1067	}
1068
1069	$post_ids = array();
1070
1071	$csv_end_date = current_time( 'Y-m-d' );
1072	$csv_args = array(
1073	'top' => "&limit=8&end=$csv_end_date",
1074	'search' => "&limit=5&end=$csv_end_date",
1075	);
1076
1077	$top_posts = stats_get_csv( 'postviews', "days=$options[top]$csv_args[top]" );
1078	foreach ( $top_posts as $i => $post ) {
1079	if ( 0 === $post['post_id'] ) {
1080	unset( $top_posts[ $i ] );
1081	continue;
1082	}
1083	$post_ids[] = $post['post_id'];
1084	}
1085
1086	// Cache.
1087	get_posts( array( 'include' => join( ',', array_unique( $post_ids ) ) ) );
1088
1089	$searches = array();
1090	$search_terms = stats_get_csv( 'searchterms', "days=$options[search]$csv_args[search]" );
1091	foreach ( $search_terms as $search_term ) {
1092	if ( 'encrypted_search_terms' === $search_term['searchterm'] ) {
1093	continue;
1094	}
1095	$searches[] = esc_html( $search_term['searchterm'] );
1096	}
1097
1098	?>
1099	<div id="stats-info">
1100	<div id="top-posts" class='stats-section'>
1101	<div class="stats-section-inner">
1102	<h3 class="heading"><?php esc_html_e( 'Top Posts', 'jetpack' ); ?></h3>
1103	<?php
1104	if ( empty( $top_posts ) ) {
1105	?>
1106	<p class="nothing"><?php esc_html_e( 'Sorry, nothing to report.', 'jetpack' ); ?></p>
1107	<?php
1108	} else {
1109	foreach ( $top_posts as $post ) {
1110	if ( ! get_post( $post['post_id'] ) ) {
1111	continue;
1112	}
1113	?>
1114	<p>
1115	<?php
1116	printf(
1117	esc_html(
1118	/* Translators: Stats dashboard widget Post list with view count: "Post Title 1 View (or Views if plural)". */
1119	_n( '%1$s %2$s View', '%1$s %2$s Views', $post['views'], 'jetpack' )
1120	),
1121	'<a href="' . esc_url( get_permalink( $post['post_id'] ) ) . '">' . esc_html( get_the_title( $post['post_id'] ) ) . '</a>',
1122	esc_html( number_format_i18n( $post['views'] ) )
1123	);
1124	?>
1125	</p>
1126	<?php
1127	}
1128	}
1129	?>
1130	</div>
1131	</div>
1132	<div id="top-search" class='stats-section'>
1133	<div class="stats-section-inner">
1134	<h3 class="heading"><?php esc_html_e( 'Top Searches', 'jetpack' ); ?></h3>
1135	<?php
1136	if ( empty( $searches ) ) {
1137	?>
1138	<p class="nothing"><?php esc_html_e( 'Sorry, nothing to report.', 'jetpack' ); ?></p>
1139	<?php
1140	} else {
1141	foreach ( $searches as $search_term_item ) {
1142	printf(
1143	'<p>%s</p>',
1144	esc_html( $search_term_item )
1145	);
1146	}
1147	}
1148	?>
1149	</div>
1150	</div>
1151	</div>
1152	<div class="clear"></div>
1153	<div class="stats-view-all">
1154	<?php
1155	$stats_day_url = Redirect::get_url( 'calypso-stats-day' );
1156	printf(
1157	'<a class="button" target="_blank" rel="noopener noreferrer" href="%1$s">%2$s</a>',
1158	esc_url( $stats_day_url ),
1159	esc_html__( 'View all stats', 'jetpack' )
1160	);
1161	?>
1162	</div>
1163	<div class="clear"></div>
1164	<?php
1165	exit;
1166	}
1167
1168	/**
1169	* Stats Print WP Remote Error.
1170	*
1171	* @access public
1172	* @param mixed $get Get.
1173	* @param mixed $url URL.
1174	* @return void
1175	*/
1176	function stats_print_wp_remote_error( $get, $url ) {
1177	$state_name = 'stats_remote_error_' . substr( md5( $url ), 0, 8 );
1178	$previous_error = Jetpack::state( $state_name );
1179	$error = md5( wp_json_encode( compact( 'get', 'url' ) ) );
1180	Jetpack::state( $state_name, $error );
1181	if ( $error !== $previous_error ) {
1182	?>
1183	<div class="wrap">
1184	<p><?php esc_html_e( 'We were unable to get your stats just now. Please reload this page to try again.', 'jetpack' ); ?></p>
1185	</div>
1186	<?php
1187	return;
1188	}
1189	?>
1190	<div class="wrap">
1191	<p>
1192	<?php
1193	printf(
1194	/* translators: placeholder is an a href for a support site. */
1195	esc_html__( 'We were unable to get your stats just now. Please reload this page to try again. If this error persists, please contact %1$s. In your report, please include the information below.', 'jetpack' ),
1196	sprintf(
1197	'<a href="https://support.wordpress.com/contact/?jetpack=needs-service">%s</a>',
1198	esc_html__( 'Jetpack Support', 'jetpack' )
1199	)
1200	);
1201	?>
1202	</p>
1203	<pre>
1204	User Agent: "<?php echo isset( $_SERVER['HTTP_USER_AGENT'] ) ? esc_html( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized ?>"
1205	Page URL: "http<?php echo ( is_ssl() ? 's' : '' ) . '://' . esc_html( ( isset( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '' ) ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized ?>"
1206	API URL: "<?php echo esc_url( $url ); ?>"
1207	<?php
1208	if ( is_wp_error( $get ) ) {
1209	foreach ( $get->get_error_codes() as $code ) {
1210	foreach ( $get->get_error_messages( $code ) as $message ) {
1211	?>
1212	<?php print esc_html( $code ) . ': "' . esc_html( $message ) . '"'; ?>
1213
1214	<?php
1215	}
1216	}
1217	} else {
1218	$get_code = wp_remote_retrieve_response_code( $get );
1219	$content_length = strlen( wp_remote_retrieve_body( $get ) );
1220	?>
1221	Response code: "<?php print esc_html( $get_code ); ?>"
1222	Content length: "<?php print esc_html( $content_length ); ?>"
1223
1224	<?php
1225	}
1226	?>
1227	</pre>
1228	</div>
1229	<?php
1230	}
1231
1232	/**
1233	* Get stats from WordPress.com
1234	*
1235	* @param string $table The stats which you want to retrieve: postviews, or searchterms.
1236	* @param array $args {
1237	* An associative array of arguments.
1238	*
1239	* @type bool $end The last day of the desired time frame. Format is 'Y-m-d' (e.g. 2007-05-01)
1240	* and default timezone is UTC date. Default value is Now.
1241	* @type string $days The length of the desired time frame. Default is 30. Maximum 90 days.
1242	* @type int $limit The maximum number of records to return. Default is 10. Maximum 100.
1243	* @type int $post_id The ID of the post to retrieve stats data for
1244	* @type string $summarize If present, summarizes all matching records. Default Null.
1245	*
1246	* }
1247	*
1248	* @return array {
1249	* An array of post view data, each post as an array
1250	*
1251	* array {
1252	* The post view data for a single post
1253	*
1254	* @type string $post_id The ID of the post
1255	* @type string $post_title The title of the post
1256	* @type string $post_permalink The permalink for the post
1257	* @type string $views The number of views for the post within the $num_days specified
1258	* }
1259	* }
1260	*/
1261	function stats_get_csv( $table, $args = null ) {
1262	$defaults = array(
1263	'end' => false,
1264	'days' => false,
1265	'limit' => 3,
1266	'post_id' => false,
1267	'summarize' => '',
1268	);
1269
1270	$args = wp_parse_args( $args, $defaults );
1271	$args['table'] = $table;
1272	$args['blog_id'] = Jetpack_Options::get_option( 'id' );
1273
1274	$stats_csv_url = add_query_arg( $args, 'https://stats.wordpress.com/csv.php' );
1275
1276	$key = md5( $stats_csv_url );
1277
1278	// Get cache.
1279	$stats_cache = get_option( 'stats_cache' );
1280	if ( ! $stats_cache \|\| ! is_array( $stats_cache ) ) {
1281	$stats_cache = array();
1282	}
1283
1284	// Return or expire this key.
1285	if ( isset( $stats_cache[ $key ] ) ) {
1286	$time = key( $stats_cache[ $key ] );
1287	if ( time() - $time < 300 ) {
1288	return $stats_cache[ $key ][ $time ];
1289	}
1290	unset( $stats_cache[ $key ] );
1291	}
1292
1293	$stats_rows = array();
1294	do {
1295	$stats = stats_get_remote_csv( $stats_csv_url );
1296	if ( ! $stats ) {
1297	break;
1298	}
1299
1300	$labels = array_shift( $stats );
1301
1302	if ( 0 === stripos( $labels[0], 'error' ) ) {
1303	break;
1304	}
1305
1306	$stats_rows = array();
1307	for ( $s = 0; isset( $stats[ $s ] ); $s++ ) {
1308	$row = array();
1309	foreach ( $labels as $col => $label ) {
1310	$row[ $label ] = $stats[ $s ][ $col ];
1311	}
1312	$stats_rows[] = $row;
1313	}
1314	} while ( 0 );
1315
1316	// Expire old keys.
1317	foreach ( $stats_cache as $k => $cache ) {
1318	if ( ! is_array( $cache ) \|\| 300 < time() - key( $cache ) ) {
1319	unset( $stats_cache[ $k ] );
1320	}
1321	}
1322
1323	// Set cache.
1324	$stats_cache[ $key ] = array( time() => $stats_rows );
1325	update_option( 'stats_cache', $stats_cache );
1326
1327	return $stats_rows;
1328	}
1329
1330	/**
1331	* Stats get remote CSV.
1332	*
1333	* @access public
1334	* @param mixed $url URL.
1335	* @return array
1336	*/
1337	function stats_get_remote_csv( $url ) {
1338	$method = 'GET';
1339	$timeout = 90;
1340	$user_id = 0; // Blog token.
1341
1342	$get = Client::remote_request( compact( 'url', 'method', 'timeout', 'user_id' ) );
1343	$get_code = wp_remote_retrieve_response_code( $get );
1344	if ( is_wp_error( $get ) \|\| ( 2 !== (int) ( $get_code / 100 ) && 304 !== $get_code ) \|\| empty( $get['body'] ) ) {
1345	return array(); // @todo: return an error?
1346	} else {
1347	return stats_str_getcsv( $get['body'] );
1348	}
1349	}
1350
1351	/**
1352	* Recursively run str_getcsv on the stats csv.
1353	*
1354	* @since 9.7.0 Remove custom handling since str_getcsv is available on all servers running this now.
1355	*
1356	* @param mixed $csv CSV.
1357	* @return array.
1358	*/
1359	function stats_str_getcsv( $csv ) {
1360	$lines = str_getcsv( $csv, "\n" );
1361	return array_map( 'str_getcsv', $lines );
1362	}
1363
1364	/**
1365	* Abstract out building the rest api stats path.
1366	*
1367	* @param string $resource Resource.
1368	* @return string
1369	*/
1370	function jetpack_stats_api_path( $resource = '' ) {
1371	$resource = ltrim( $resource, '/' );
1372	return sprintf( '/sites/%d/stats/%s', Stats_Options::get_option( 'blog_id' ), $resource );
1373	}
1374
1375	/**
1376	* Fetches stats data from the REST API. Caches locally for 5 minutes.
1377	*
1378	* @link: https://developer.wordpress.com/docs/api/1.1/get/sites/%24site/stats/
1379	* @access public
1380	* @deprecated 11.5 Use WPCOM_Stats available methodsinstead.
1381	* @param array $args (default: array()) The args that are passed to the endpoint.
1382	* @param string $resource (default: '') Optional sub-endpoint following /stats/.
1383	* @return array\|WP_Error.
1384	*/
1385	function stats_get_from_restapi( $args = array(), $resource = '' ) {
1386	_deprecated_function( __METHOD__, 'jetpack-11.5', 'Please checkout the methods available in Automattic\Jetpack\Stats\WPCOM_Stats' );
1387	$endpoint = jetpack_stats_api_path( $resource );
1388	$api_version = '1.1';
1389	$args = wp_parse_args( $args, array() );
1390	$cache_key = md5( implode( '\|', array( $endpoint, $api_version, wp_json_encode( $args ) ) ) );
1391
1392	$transient_name = "jetpack_restapi_stats_cache_{$cache_key}";
1393
1394	$stats_cache = get_transient( $transient_name );
1395
1396	// Return or expire this key.
1397	if ( $stats_cache ) {
1398	$time = key( $stats_cache );
1399	$data = $stats_cache[ $time ]; // WP_Error or string (JSON encoded object).
1400
1401	if ( is_wp_error( $data ) ) {
1402	return $data;
1403	}
1404
1405	return (object) array_merge( array( 'cached_at' => $time ), (array) json_decode( $data ) );
1406	}
1407
1408	// Do the dirty work.
1409	$response = Client::wpcom_json_api_request_as_blog( $endpoint, $api_version, $args );
1410	if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
1411	// WP_Error.
1412	$data = is_wp_error( $response ) ? $response : new WP_Error( 'stats_error' );
1413	// WP_Error.
1414	$return = $data;
1415	} else {
1416	// string (JSON encoded object).
1417	$data = wp_remote_retrieve_body( $response );
1418	// object (rare: null on JSON failure).
1419	$return = json_decode( $data );
1420	}
1421
1422	// To reduce size in storage: store with time as key, store JSON encoded data (unless error).
1423	set_transient( $transient_name, array( time() => $data ), 5 * MINUTE_IN_SECONDS );
1424
1425	return $return;
1426	}
1427
1428	/**
1429	* Load CSS needed for Stats column width in WP-Admin area.
1430	*
1431	* @since 4.7.0
1432	*/
1433	function jetpack_stats_load_admin_css() {
1434	?>
1435	<style type="text/css">
1436	.fixed .column-stats {
1437	width: 5em;
1438	}
1439	</style>
1440	<?php
1441	}
1442
1443	/**
1444	* Set header for column that allows to go to WordPress.com to see an entry's stats.
1445	*
1446	* @param array $columns An array of column names.
1447	*
1448	* @since 4.7.0
1449	*
1450	* @return mixed
1451	*/
1452	function jetpack_stats_post_table( $columns ) {
1453	// Adds a stats link on the edit posts page.
1454	if ( ! current_user_can( 'view_stats' ) \|\| ! ( new Connection_Manager( 'jetpack' ) )->is_user_connected() ) {
1455	return $columns;
1456	}
1457
1458	// Array-Fu to add before comments.
1459	$pos = array_search( 'comments', array_keys( $columns ), true );
1460
1461	// Fallback to the last position if the post type does not support comments.
1462	if ( ! is_int( $pos ) ) {
1463	$pos = count( $columns );
1464	}
1465
1466	// Final fallback, if the array was malformed by another plugin for example.
1467	if ( ! is_int( $pos ) ) {
1468	return $columns;
1469	}
1470
1471	$chunks = array_chunk( $columns, $pos, true );
1472	$chunks[0]['stats'] = esc_html__( 'Stats', 'jetpack' );
1473
1474	return call_user_func_array( 'array_merge', $chunks );
1475	}
1476
1477	/**
1478	* Set content for cell with link to an entry's stats in WordPress.com.
1479	*
1480	* @param string $column The name of the column to display.
1481	* @param int $post_id The current post ID.
1482	*
1483	* @since 4.7.0
1484	*
1485	* @return mixed
1486	*/
1487	function jetpack_stats_post_table_cell( $column, $post_id ) {
1488	if ( 'stats' === $column ) {
1489	if ( 'publish' !== get_post_status( $post_id ) ) {
1490	printf(
1491	'<span aria-hidden="true">—</span><span class="screen-reader-text">%s</span>',
1492	esc_html__( 'No stats', 'jetpack' )
1493	);
1494	} else {
1495	$stats_post_url = Redirect::get_url(
1496	'calypso-stats-post',
1497	array(
1498	'path' => $post_id,
1499	)
1500	);
1501	printf(
1502	'<a href="%s" title="%s" class="dashicons dashicons-chart-bar" target="_blank"></a>',
1503	esc_url( $stats_post_url ),
1504	esc_html__( 'View stats for this post at WordPress.com', 'jetpack' )
1505	);
1506	}
1507	}
1508	}
1509
1510	/**
1511	* Add the Jetpack plugin version to the stats tracking data.
1512	*
1513	* @param array $kvs The stats array in key values.
1514	* @return array
1515	*/
1516	function filter_stats_array_add_jp_version( $kvs ) {
1517	$kvs['j'] = sprintf( '%s:%s', JETPACK__API_VERSION, JETPACK__VERSION );
1518
1519	return $kvs;
1520	}
1521
1522	/**
1523	* Convert stats array to object after sanity checking the array is valid.
1524	*
1525	* @param array $stats_array The stats array.
1526	* @return WP_Error\|Object\|null
1527	*/
1528	function convert_stats_array_to_object( $stats_array ) {
1529
1530	if ( is_wp_error( $stats_array ) ) {
1531	return $stats_array;
1532	}
1533	$encoded_array = wp_json_encode( $stats_array );
1534	if ( ! $encoded_array ) {
1535	return new WP_Error( 'stats_encoding_error', 'Failed to encode stats array' );
1536	}
1537	return json_decode( $encoded_array );
1538	}
1539