class.wpcom-json-api-site-settings-endpoint.php — Jetpack – WP Security, Backup, Speed, & Growth 12.0.2

jetpack / json-endpoints / class.wpcom-json-api-site-settings-endpoint.php

jetpack / json-endpoints Last commit date

class.wpcom-json-api-site-settings-endpoint.php

1161 lines

1	<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2	/**
3	* Manage settings via the WordPress.com REST API.
4	*
5	* @package automattic/jetpack
6	*/
7
8	use Automattic\Jetpack\Waf\Brute_Force_Protection\Brute_Force_Protection_Shared_Functions;
9
10	new WPCOM_JSON_API_Site_Settings_Endpoint(
11	array(
12	'description' => 'Get detailed settings information about a site.',
13	'group' => '__do_not_document',
14	'stat' => 'sites:X',
15	'max_version' => '1.1',
16	'new_version' => '1.2',
17	'method' => 'GET',
18	'path' => '/sites/%s/settings',
19	'path_labels' => array(
20	'$site' => '(int\|string) Site ID or domain',
21	),
22
23	'query_parameters' => array(
24	'context' => false,
25	),
26
27	'response_format' => WPCOM_JSON_API_Site_Settings_Endpoint::$site_format,
28
29	'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/settings',
30	)
31	);
32
33	new WPCOM_JSON_API_Site_Settings_Endpoint(
34	array(
35	'description' => 'Update settings for a site.',
36	'group' => '__do_not_document',
37	'stat' => 'sites:X',
38	'max_version' => '1.1',
39	'new_version' => '1.2',
40	'method' => 'POST',
41	'path' => '/sites/%s/settings',
42	'a_new_very_long_key' => 'blabla',
43	'path_labels' => array(
44	'$site' => '(int\|string) Site ID or domain',
45	),
46
47	'request_format' => array(
48	'blogname' => '(string) Blog name',
49	'blogdescription' => '(string) Blog description',
50	'default_pingback_flag' => '(bool) Notify blogs linked from article?',
51	'default_ping_status' => '(bool) Allow link notifications from other blogs?',
52	'default_comment_status' => '(bool) Allow comments on new articles?',
53	'blog_public' => '(string) Site visibility; -1: private, 0: discourage search engines, 1: allow search engines',
54	'jetpack_sync_non_public_post_stati' => '(bool) allow sync of post and pages with non-public posts stati',
55	'jetpack_relatedposts_enabled' => '(bool) Enable related posts?',
56	'jetpack_relatedposts_show_context' => '(bool) Show post\'s tags and category in related posts?',
57	'jetpack_relatedposts_show_date' => '(bool) Show date in related posts?',
58	'jetpack_relatedposts_show_headline' => '(bool) Show headline in related posts?',
59	'jetpack_relatedposts_show_thumbnails' => '(bool) Show thumbnails in related posts?',
60	'jetpack_protect_whitelist' => '(array) List of IP addresses to always allow',
61	'instant_search_enabled' => '(bool) Enable the new Jetpack Instant Search interface',
62	'jetpack_search_enabled' => '(bool) Enable Jetpack Search',
63	'jetpack_search_supported' => '(bool) Jetpack Search is supported',
64	'infinite_scroll' => '(bool) Support infinite scroll of posts?',
65	'default_category' => '(int) Default post category',
66	'default_post_format' => '(string) Default post format',
67	'require_name_email' => '(bool) Require comment authors to fill out name and email?',
68	'comment_registration' => '(bool) Require users to be registered and logged in to comment?',
69	'close_comments_for_old_posts' => '(bool) Automatically close comments on old posts?',
70	'close_comments_days_old' => '(int) Age at which to close comments',
71	'thread_comments' => '(bool) Enable threaded comments?',
72	'thread_comments_depth' => '(int) Depth to thread comments',
73	'page_comments' => '(bool) Break comments into pages?',
74	'comments_per_page' => '(int) Number of comments to display per page',
75	'default_comments_page' => '(string) newest\|oldest Which page of comments to display first',
76	'comment_order' => '(string) asc\|desc Order to display comments within page',
77	'comments_notify' => '(bool) Email me when someone comments?',
78	'moderation_notify' => '(bool) Email me when a comment is helf for moderation?',
79	'social_notifications_like' => '(bool) Email me when someone likes my post?',
80	'social_notifications_reblog' => '(bool) Email me when someone reblogs my post?',
81	'social_notifications_subscribe' => '(bool) Email me when someone follows my blog?',
82	'comment_moderation' => '(bool) Moderate comments for manual approval?',
83	'comment_previously_approved' => '(bool) Moderate comments unless author has a previously-approved comment?',
84	'comment_max_links' => '(int) Moderate comments that contain X or more links',
85	'moderation_keys' => '(string) Words or phrases that trigger comment moderation, one per line',
86	'disallowed_keys' => '(string) Words or phrases that mark comment spam, one per line',
87	'lang_id' => '(int) ID for language blog is written in',
88	'wga' => '(array) Google Analytics Settings',
89	'disabled_likes' => '(bool) Are likes globally disabled (they can still be turned on per post)?',
90	'disabled_reblogs' => '(bool) Are reblogs disabled on posts?',
91	'jetpack_comment_likes_enabled' => '(bool) Are comment likes enabled for all comments?',
92	'sharing_button_style' => '(string) Style to use for sharing buttons (icon-text, icon, text, or official)',
93	'sharing_label' => '(string) Label to use for sharing buttons, e.g. "Share this:"',
94	'sharing_show' => '(string\|array:string) Post type or array of types where sharing buttons are to be displayed',
95	'sharing_open_links' => '(string) Link target for sharing buttons (same or new)',
96	'twitter_via' => '(string) Twitter username to include in tweets when people share using the Twitter button',
97	'jetpack-twitter-cards-site-tag' => '(string) The Twitter username of the owner of the site\'s domain.',
98	'eventbrite_api_token' => '(int) The Keyring token ID for an Eventbrite token to associate with the site',
99	'timezone_string' => '(string) PHP-compatible timezone string like \'UTC-5\'',
100	'gmt_offset' => '(int) Site offset from UTC in hours',
101	'date_format' => '(string) PHP Date-compatible date format',
102	'time_format' => '(string) PHP Date-compatible time format',
103	'start_of_week' => '(int) Starting day of week (0 = Sunday, 6 = Saturday)',
104	'jetpack_testimonial' => '(bool) Whether testimonial custom post type is enabled for the site',
105	'jetpack_testimonial_posts_per_page' => '(int) Number of testimonials to show per page',
106	'jetpack_portfolio' => '(bool) Whether portfolio custom post type is enabled for the site',
107	'jetpack_portfolio_posts_per_page' => '(int) Number of portfolio projects to show per page',
108	Jetpack_SEO_Utils::FRONT_PAGE_META_OPTION => '(string) The seo meta description for the site.',
109	Jetpack_SEO_Titles::TITLE_FORMATS_OPTION => '(array) SEO meta title formats. Allowed keys: front_page, posts, pages, groups, archives',
110	'verification_services_codes' => '(array) Website verification codes. Allowed keys: google, pinterest, bing, yandex, facebook',
111	'markdown_supported' => '(bool) Whether markdown is supported for this site',
112	'wpcom_publish_posts_with_markdown' => '(bool) Whether markdown is enabled for posts',
113	'wpcom_publish_comments_with_markdown' => '(bool) Whether markdown is enabled for comments',
114	'amp_is_enabled' => '(bool) Whether AMP is enabled for this site',
115	'site_icon' => '(int) Media attachment ID to use as site icon. Set to zero or an otherwise empty value to clear',
116	'api_cache' => '(bool) Turn on/off the Jetpack JSON API cache',
117	'posts_per_page' => '(int) Number of posts to show on blog pages',
118	'posts_per_rss' => '(int) Number of posts to show in the RSS feed',
119	'rss_use_excerpt' => '(bool) Whether the RSS feed will use post excerpts',
120	'launchpad_screen' => '(string) Whether or not launchpad is presented and what size it will be',
121	),
122
123	'response_format' => array(
124	'updated' => '(array)',
125	),
126
127	'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/settings',
128	)
129	);
130
131	/**
132	* Manage Site settings endpoint.
133	*/
134	class WPCOM_JSON_API_Site_Settings_Endpoint extends WPCOM_JSON_API_Endpoint {
135
136	/**
137	* Site format.
138	*
139	* @var array
140	*/
141	public static $site_format = array(
142	'ID' => '(int) Site ID',
143	'name' => '(string) Title of site',
144	'description' => '(string) Tagline or description of site',
145	'URL' => '(string) Full URL to the site',
146	'lang' => '(string) Primary language code of the site',
147	'locale_variant' => '(string) Locale variant code for the site, if set',
148	'settings' => '(array) An array of options/settings for the blog. Only viewable by users with post editing rights to the site.',
149	);
150
151	/**
152	* Endpoint response
153	*
154	* GET /sites/%s/settings
155	* POST /sites/%s/settings
156	*
157	* @param string $path Path.
158	* @param int $blog_id Blog ID.
159	*/
160	public function callback( $path = '', $blog_id = 0 ) {
161	$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
162	if ( is_wp_error( $blog_id ) ) {
163	return $blog_id;
164	}
165
166	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
167	// Source & include the infinite scroll compatibility files prior to loading theme functions.
168	add_filter( 'restapi_theme_action_copy_dirs', array( 'WPCOM_JSON_API_Site_Settings_Endpoint', 'wpcom_restapi_copy_theme_plugin_actions' ) );
169	$this->load_theme_functions();
170	}
171
172	if ( ! is_user_logged_in() ) {
173	return new WP_Error( 'Unauthorized', 'You must be logged-in to manage settings.', 401 );
174	} elseif ( ! current_user_can( 'manage_options' ) ) {
175	return new WP_Error( 'Forbidden', 'You do not have the capability to manage settings for this site.', 403 );
176	}
177
178	if ( 'GET' === $this->api->method ) {
179	/**
180	* Fires on each GET request to a specific endpoint.
181	*
182	* @module json-api
183	*
184	* @since 3.2.0
185	*
186	* @param string sites.
187	*/
188	do_action( 'wpcom_json_api_objects', 'sites' );
189	return $this->get_settings_response();
190	} elseif ( 'POST' === $this->api->method ) {
191	return $this->update_settings();
192	} else {
193	return new WP_Error( 'bad_request', 'An unsupported request method was used.' );
194	}
195	}
196
197	/**
198	* Includes additional theme-specific files to be included in REST API theme
199	* context loading action copying.
200	*
201	* @see WPCOM_JSON_API_Endpoint#load_theme_functions
202	* @see the_neverending_home_page_theme_support
203	*
204	* @param array $copy_dirs Array of files to be included in theme context.
205	*/
206	public function wpcom_restapi_copy_theme_plugin_actions( $copy_dirs ) {
207	$theme_name = get_stylesheet();
208	$default_file_name = WP_CONTENT_DIR . "/mu-plugins/infinity/themes/{$theme_name}.php";
209
210	/**
211	* Filter the path to the Infinite Scroll compatibility file.
212	*
213	* @module infinite-scroll
214	*
215	* @since 2.0.0
216	*
217	* @param string $str IS compatibility file path.
218	* @param string $theme_name Theme name.
219	*/
220	$customization_file = apply_filters( 'infinite_scroll_customization_file', $default_file_name, $theme_name );
221
222	if ( is_readable( $customization_file ) ) {
223	require_once $customization_file;
224	$copy_dirs[] = $customization_file;
225	}
226
227	return $copy_dirs;
228	}
229
230	/**
231	* Determines whether jetpack_relatedposts is supported
232	*
233	* @return bool
234	*/
235	public function jetpack_relatedposts_supported() {
236	$wpcom_related_posts_theme_blacklist = array(
237	'Expound',
238	'Traveler',
239	'Opti',
240	'Currents',
241	);
242	return ( ! in_array( wp_get_theme()->get( 'Name' ), $wpcom_related_posts_theme_blacklist, true ) );
243	}
244
245	/**
246	* Returns category details
247	*
248	* @param WP_Term $category Category object.
249	*
250	* @return array
251	*/
252	public function get_category_details( $category ) {
253	return array(
254	'value' => $category->term_id,
255	'name' => $category->name,
256	);
257	}
258
259	/**
260	* Returns an option value as the result of the callable being applied to
261	* it if a value is set, otherwise null.
262	*
263	* @param string $option_name Option name.
264	* @param callable $cast_callable Callable to invoke on option value.
265	*
266	* @return int\|null Numeric option value or null.
267	*/
268	protected function get_cast_option_value_or_null( $option_name, $cast_callable ) {
269	$option_value = get_option( $option_name, null );
270	if ( $option_value === null ) {
271	return $option_value;
272	}
273
274	return call_user_func( $cast_callable, $option_value );
275	}
276
277	/**
278	* Collects the necessary information to return for a get settings response.
279	*
280	* @return array
281	*/
282	public function get_settings_response() {
283	$response = array();
284
285	// Allow update in later versions.
286	/**
287	* Filter the structure of site settings to return.
288	*
289	* @module json-api
290	*
291	* @since 3.9.3
292	*
293	* @param array $site_format Data structure.
294	*/
295	$response_format = apply_filters( 'site_settings_site_format', self::$site_format );
296
297	$blog_id = (int) $this->api->get_blog_id_for_output();
298	$site = $this->get_platform()->get_site( $blog_id );
299
300	foreach ( array_keys( $response_format ) as $key ) {
301
302	// refactoring to change lang parameter to locale in 1.2.
303	$lang_or_locale = $this->get_locale( $key );
304	if ( $lang_or_locale ) {
305	$response[ $key ] = $lang_or_locale;
306	continue;
307	}
308
309	switch ( $key ) {
310	case 'ID':
311	$response[ $key ] = $blog_id;
312	break;
313	case 'name':
314	$response[ $key ] = (string) htmlspecialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
315	break;
316	case 'description':
317	$response[ $key ] = (string) htmlspecialchars_decode( get_bloginfo( 'description' ), ENT_QUOTES );
318	break;
319	case 'URL':
320	$response[ $key ] = (string) home_url();
321	break;
322	case 'locale_variant':
323	if ( function_exists( 'wpcom_l10n_get_blog_locale_variant' ) ) {
324	$blog_locale_variant = wpcom_l10n_get_blog_locale_variant();
325	if ( $blog_locale_variant ) {
326	$response[ $key ] = $blog_locale_variant;
327	}
328	}
329	break;
330	case 'settings':
331	$jetpack_relatedposts_options = Jetpack_Options::get_option( 'relatedposts', array() );
332	// If the option's enabled key is NOT SET, it is considered enabled by the plugin.
333	if ( ! isset( $jetpack_relatedposts_options['enabled'] ) ) {
334	$jetpack_relatedposts_options['enabled'] = true;
335	}
336
337	$jetpack_relatedposts_options['enabled'] =
338	$jetpack_relatedposts_options['enabled']
339	&& $site->is_module_active( 'related-posts' );
340
341	$jetpack_search_supported = false;
342	if ( function_exists( 'wpcom_is_jetpack_search_supported' ) ) {
343	$jetpack_search_supported = wpcom_is_jetpack_search_supported( $blog_id );
344	}
345
346	$jetpack_search_active =
347	$jetpack_search_supported
348	&& $site->is_module_active( 'search' );
349
350	// array_values() is necessary to ensure the array starts at index 0.
351	$post_categories = array_values(
352	array_map(
353	array( $this, 'get_category_details' ),
354	get_categories( array( 'hide_empty' => false ) )
355	)
356	);
357
358	$api_cache = $site->is_jetpack() ? (bool) get_option( 'jetpack_api_cache_enabled' ) : true;
359
360	$response[ $key ] = array(
361	// also exists as "options".
362	'admin_url' => get_admin_url(),
363	'default_ping_status' => 'closed' !== get_option( 'default_ping_status' ),
364	'default_comment_status' => 'closed' !== get_option( 'default_comment_status' ),
365
366	// new stuff starts here.
367	'instant_search_enabled' => (bool) get_option( 'instant_search_enabled' ),
368	'blog_public' => (int) get_option( 'blog_public' ),
369	'jetpack_sync_non_public_post_stati' => (bool) Jetpack_Options::get_option( 'sync_non_public_post_stati' ),
370	'jetpack_relatedposts_allowed' => (bool) $this->jetpack_relatedposts_supported(),
371	'jetpack_relatedposts_enabled' => (bool) $jetpack_relatedposts_options['enabled'],
372	'jetpack_relatedposts_show_context' => ! empty( $jetpack_relatedposts_options['show_context'] ),
373	'jetpack_relatedposts_show_date' => ! empty( $jetpack_relatedposts_options['show_date'] ),
374	'jetpack_relatedposts_show_headline' => ! empty( $jetpack_relatedposts_options['show_headline'] ),
375	'jetpack_relatedposts_show_thumbnails' => ! empty( $jetpack_relatedposts_options['show_thumbnails'] ),
376	'jetpack_search_enabled' => (bool) $jetpack_search_active,
377	'jetpack_search_supported' => (bool) $jetpack_search_supported,
378	'default_category' => (int) get_option( 'default_category' ),
379	'post_categories' => (array) $post_categories,
380	'default_post_format' => get_option( 'default_post_format' ),
381	'default_pingback_flag' => (bool) get_option( 'default_pingback_flag' ),
382	'require_name_email' => (bool) get_option( 'require_name_email' ),
383	'comment_registration' => (bool) get_option( 'comment_registration' ),
384	'close_comments_for_old_posts' => (bool) get_option( 'close_comments_for_old_posts' ),
385	'close_comments_days_old' => (int) get_option( 'close_comments_days_old' ),
386	'thread_comments' => (bool) get_option( 'thread_comments' ),
387	'thread_comments_depth' => (int) get_option( 'thread_comments_depth' ),
388	'page_comments' => (bool) get_option( 'page_comments' ),
389	'comments_per_page' => (int) get_option( 'comments_per_page' ),
390	'default_comments_page' => get_option( 'default_comments_page' ),
391	'comment_order' => get_option( 'comment_order' ),
392	'comments_notify' => (bool) get_option( 'comments_notify' ),
393	'moderation_notify' => (bool) get_option( 'moderation_notify' ),
394	'social_notifications_like' => ( 'on' === get_option( 'social_notifications_like' ) ),
395	'social_notifications_reblog' => ( 'on' === get_option( 'social_notifications_reblog' ) ),
396	'social_notifications_subscribe' => ( 'on' === get_option( 'social_notifications_subscribe' ) ),
397	'comment_moderation' => (bool) get_option( 'comment_moderation' ),
398	'comment_whitelist' => (bool) get_option( 'comment_previously_approved' ),
399	'comment_previously_approved' => (bool) get_option( 'comment_previously_approved' ),
400	'comment_max_links' => (int) get_option( 'comment_max_links' ),
401	'moderation_keys' => get_option( 'moderation_keys' ),
402	'blacklist_keys' => get_option( 'disallowed_keys' ),
403	'disallowed_keys' => get_option( 'disallowed_keys' ),
404	'lang_id' => defined( 'IS_WPCOM' ) && IS_WPCOM
405	? get_lang_id_by_code( wpcom_l10n_get_blog_locale_variant( $blog_id, true ) )
406	: get_option( 'lang_id' ),
407	'site_vertical_id' => (string) get_option( 'site_vertical_id' ),
408	'wga' => $this->get_google_analytics(),
409	'jetpack_cloudflare_analytics' => get_option( 'jetpack_cloudflare_analytics' ),
410	'disabled_likes' => (bool) get_option( 'disabled_likes' ),
411	'disabled_reblogs' => (bool) get_option( 'disabled_reblogs' ),
412	'jetpack_comment_likes_enabled' => (bool) get_option( 'jetpack_comment_likes_enabled', false ),
413	'twitter_via' => (string) get_option( 'twitter_via' ),
414	'jetpack-twitter-cards-site-tag' => (string) get_option( 'jetpack-twitter-cards-site-tag' ),
415	'eventbrite_api_token' => $this->get_cast_option_value_or_null( 'eventbrite_api_token', 'intval' ),
416	'gmt_offset' => get_option( 'gmt_offset' ),
417	'timezone_string' => get_option( 'timezone_string' ),
418	'date_format' => get_option( 'date_format' ),
419	'time_format' => get_option( 'time_format' ),
420	'start_of_week' => get_option( 'start_of_week' ),
421	'woocommerce_onboarding_profile' => (array) get_option( 'woocommerce_onboarding_profile', array() ),
422	'woocommerce_store_address' => (string) get_option( 'woocommerce_store_address' ),
423	'woocommerce_store_address_2' => (string) get_option( 'woocommerce_store_address_2' ),
424	'woocommerce_store_city' => (string) get_option( 'woocommerce_store_city' ),
425	'woocommerce_default_country' => (string) get_option( 'woocommerce_default_country' ),
426	'woocommerce_store_postcode' => (string) get_option( 'woocommerce_store_postcode' ),
427	'jetpack_testimonial' => (bool) get_option( 'jetpack_testimonial', '0' ),
428	'jetpack_testimonial_posts_per_page' => (int) get_option( 'jetpack_testimonial_posts_per_page', '10' ),
429	'jetpack_portfolio' => (bool) get_option( 'jetpack_portfolio', '0' ),
430	'jetpack_portfolio_posts_per_page' => (int) get_option( 'jetpack_portfolio_posts_per_page', '10' ),
431	'markdown_supported' => true,
432	'site_icon' => $this->get_cast_option_value_or_null( 'site_icon', 'intval' ),
433	Jetpack_SEO_Utils::FRONT_PAGE_META_OPTION => get_option( Jetpack_SEO_Utils::FRONT_PAGE_META_OPTION, '' ),
434	Jetpack_SEO_Titles::TITLE_FORMATS_OPTION => get_option( Jetpack_SEO_Titles::TITLE_FORMATS_OPTION, array() ),
435	'amp_is_supported' => (bool) function_exists( 'wpcom_is_amp_supported' ) && wpcom_is_amp_supported( $blog_id ),
436	'amp_is_enabled' => (bool) function_exists( 'wpcom_is_amp_enabled' ) && wpcom_is_amp_enabled( $blog_id ),
437	'amp_is_deprecated' => (bool) function_exists( 'wpcom_is_amp_deprecated' ) && wpcom_is_amp_deprecated( $blog_id ),
438	'api_cache' => $api_cache,
439	'posts_per_page' => (int) get_option( 'posts_per_page' ),
440	'posts_per_rss' => (int) get_option( 'posts_per_rss' ),
441	'rss_use_excerpt' => (bool) get_option( 'rss_use_excerpt' ),
442	'launchpad_screen' => (string) get_option( 'launchpad_screen' ),
443	'wpcom_featured_image_in_email' => (bool) get_option( 'wpcom_featured_image_in_email' ),
444	'wpcom_gifting_subscription' => (bool) get_option( 'wpcom_gifting_subscription', $this->get_wpcom_gifting_subscription_default() ),
445	'wpcom_subscription_emails_use_excerpt' => $this->get_wpcom_subscription_emails_use_excerpt_option(),
446	'show_on_front' => (string) get_option( 'show_on_front' ),
447	'page_on_front' => (string) get_option( 'page_on_front' ),
448	'page_for_posts' => (string) get_option( 'page_for_posts' ),
449	'subscription_options' => (array) get_option( 'subscription_options' ),
450	);
451
452	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
453	$response[ $key ]['wpcom_publish_posts_with_markdown'] = (bool) WPCom_Markdown::is_posting_enabled();
454	$response[ $key ]['wpcom_publish_comments_with_markdown'] = (bool) WPCom_Markdown::is_commenting_enabled();
455
456	// WPCOM-specific Infinite Scroll Settings.
457	if ( is_callable( array( 'The_Neverending_Home_Page', 'get_settings' ) ) ) {
458	/**
459	* Clear the cached copy of widget info so it's pulled fresh from blog options.
460	* It was primed during the initial load under the __REST API site__'s context.
461	*
462	* @see wp_get_sidebars_widgets https://core.trac.wordpress.org/browser/trunk/src/wp-includes/widgets.php?rev=42374#L931
463	*/
464	$GLOBALS['_wp_sidebars_widgets'] = array(); // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
465
466	$infinite_scroll_settings = The_Neverending_Home_Page::get_settings();
467	$response[ $key ]['infinite_scroll'] = get_option( 'infinite_scroll', true ) && 'scroll' === $infinite_scroll_settings->type;
468	if ( $infinite_scroll_settings->footer_widgets \|\| 'click' === $infinite_scroll_settings->requested_type ) {
469	// The blog has footer widgets -- infinite scroll is blocked.
470	$response[ $key ]['infinite_scroll_blocked'] = 'footer';
471	} else {
472	$response[ $key ]['infinite_scroll_blocked'] = false;
473	}
474	}
475	}
476
477	// allow future versions of this endpoint to support additional settings keys.
478	/**
479	* Filter the current site setting in the returned response.
480	*
481	* @module json-api
482	*
483	* @since 3.9.3
484	*
485	* @param mixed $response_item A single site setting.
486	*/
487	$response[ $key ] = apply_filters( 'site_settings_endpoint_get', $response[ $key ] );
488
489	if ( class_exists( 'Sharing_Service' ) ) {
490	$ss = new Sharing_Service();
491	$sharing = $ss->get_global_options();
492	$response[ $key ]['sharing_button_style'] = (string) $sharing['button_style'];
493	$response[ $key ]['sharing_label'] = (string) $sharing['sharing_label'];
494	$response[ $key ]['sharing_show'] = (array) $sharing['show'];
495	$response[ $key ]['sharing_open_links'] = (string) $sharing['open_links'];
496	}
497
498	$response[ $key ]['jetpack_protect_whitelist'] = Brute_Force_Protection_Shared_Functions::format_allow_list();
499
500	if ( ! current_user_can( 'edit_posts' ) ) {
501	unset( $response[ $key ] );
502	}
503	break;
504	}
505	}
506	return $response;
507	}
508
509	/**
510	* Get the default value for the wpcom_gifting_subscription option.
511	* The default value is the inverse of the plan's auto_renew setting.
512	*
513	* @return bool
514	*/
515	protected function get_wpcom_gifting_subscription_default() {
516	if ( function_exists( 'wpcom_get_site_purchases' ) && function_exists( 'wpcom_purchase_has_feature' ) ) {
517	$purchases = wpcom_get_site_purchases();
518
519	foreach ( $purchases as $purchase ) {
520	if ( wpcom_purchase_has_feature( $purchase, \WPCOM_Features::SUBSCRIPTION_GIFTING ) ) {
521	/*
522	* We set default value as false when expiration date not match the following:
523	* - 54 days before the annual plan expiration.
524	* - 5 days before the monthly plan expiration.
525	* This is to match the gifting banner logic.
526	*/
527	$days_of_warning = false !== strpos( $purchase->product_slug, 'monthly' ) ? 5 : 54;
528	$seconds_until_expiration = strtotime( $purchase->expiry_date ) - time();
529	if ( $seconds_until_expiration >= $days_of_warning * DAY_IN_SECONDS ) {
530	return false;
531	}
532
533	// We set default to the inverse of auto-renew.
534	if ( isset( $purchase->auto_renew ) ) {
535	return ! $purchase->auto_renew;
536	} elseif ( isset( $purchase->user_allows_auto_renew ) ) {
537	return ! $purchase->user_allows_auto_renew;
538	}
539	}
540	}
541	}
542	return false;
543	}
544
545	/**
546	* Get locale.
547	*
548	* @param string $key Language.
549	*/
550	protected function get_locale( $key ) {
551	if ( 'lang' === $key ) {
552	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
553	return (string) get_blog_lang_code();
554	} else {
555	return get_locale();
556	}
557	}
558
559	return false;
560	}
561
562	/**
563	* Get GA tracking code.
564	*/
565	protected function get_google_analytics() {
566	$option_name = defined( 'IS_WPCOM' ) && IS_WPCOM ? 'wga' : 'jetpack_wga';
567	return get_option( $option_name );
568	}
569
570	/**
571	* Updates site settings for authorized users
572	*
573	* @return array
574	*/
575	public function update_settings() {
576	/*
577	* $this->input() retrieves posted arguments whitelisted and casted to the $request_format
578	* specs that get passed in when this class is instantiated
579	*/
580	$input = $this->input();
581	$unfiltered_input = $this->input( false, false );
582	/**
583	* Filters the settings to be updated on the site.
584	*
585	* @module json-api
586	*
587	* @since 3.6.0
588	* @since 6.1.1 Added $unfiltered_input parameter.
589	*
590	* @param array $input Associative array of site settings to be updated.
591	* Cast and filtered based on documentation.
592	* @param array $unfiltered_input Associative array of site settings to be updated.
593	* Neither cast nor filtered. Contains raw input.
594	*/
595	$input = apply_filters( 'rest_api_update_site_settings', $input, $unfiltered_input );
596
597	$blog_id = get_current_blog_id();
598
599	$jetpack_relatedposts_options = array();
600	$sharing_options = array();
601	$updated = array();
602
603	foreach ( $input as $key => $value ) {
604
605	if ( ! is_array( $value ) ) {
606	$value = trim( $value );
607	}
608
609	// preserve the raw value before unslashing the value. The slashes need to be preserved for date and time formats.
610	$raw_value = $value;
611	$value = wp_unslash( $value );
612
613	switch ( $key ) {
614
615	case 'default_ping_status':
616	case 'default_comment_status':
617	// settings are stored as closed\|open.
618	$coerce_value = ( $value ) ? 'open' : 'closed';
619	if ( update_option( $key, $coerce_value ) ) {
620	$updated[ $key ] = $value;
621	}
622	break;
623	case 'launchpad_screen':
624	if ( in_array( $value, array( 'full', 'off', 'minimized' ), true ) ) {
625	if ( update_option( $key, $value ) ) {
626	$updated[ $key ] = $value;
627	}
628	}
629	break;
630	case 'jetpack_protect_whitelist':
631	if ( class_exists( 'Brute_Force_Protection_Shared_Functions' ) ) {
632	$result = Brute_Force_Protection_Shared_Functions::save_allow_list( $value );
633	if ( is_wp_error( $result ) ) {
634	return $result;
635	}
636	$updated[ $key ] = Brute_Force_Protection_Shared_Functions::format_allow_list();
637	}
638	break;
639	case 'jetpack_sync_non_public_post_stati':
640	Jetpack_Options::update_option( 'sync_non_public_post_stati', $value );
641	break;
642	case 'jetpack_search_enabled':
643	if ( $value ) {
644	Jetpack::activate_module( $blog_id, 'search' );
645	} else {
646	Jetpack::deactivate_module( $blog_id, 'search' );
647	}
648	$updated[ $key ] = (bool) $value;
649	break;
650	case 'jetpack_relatedposts_enabled':
651	case 'jetpack_relatedposts_show_context':
652	case 'jetpack_relatedposts_show_date':
653	case 'jetpack_relatedposts_show_thumbnails':
654	case 'jetpack_relatedposts_show_headline':
655	if ( ! $this->jetpack_relatedposts_supported() ) {
656	break;
657	}
658	if ( 'jetpack_relatedposts_enabled' === $key ) {
659	if ( $value ) {
660	Jetpack::activate_module( $blog_id, 'related-posts' );
661	} else {
662	Jetpack::deactivate_module( $blog_id, 'related-posts' );
663	}
664	}
665	$just_the_key = substr( $key, 21 );
666	$jetpack_relatedposts_options[ $just_the_key ] = $value;
667	break;
668
669	case 'social_notifications_like':
670	case 'social_notifications_reblog':
671	case 'social_notifications_subscribe':
672	// settings are stored as on\|off.
673	$coerce_value = ( $value ) ? 'on' : 'off';
674	if ( update_option( $key, $coerce_value ) ) {
675	$updated[ $key ] = $value;
676	}
677	break;
678	case 'wga':
679	case 'jetpack_wga':
680	if ( ! isset( $value['code'] ) \|\| ! preg_match( '/^$\|^(UA-\d+-\d+)\|(G-[A-Z0-9]+)$/i', $value['code'] ) ) {
681	return new WP_Error( 'invalid_code', 'Invalid UA ID' );
682	}
683
684	$is_wpcom = defined( 'IS_WPCOM' ) && IS_WPCOM;
685	$option_name = $is_wpcom ? 'wga' : 'jetpack_wga';
686
687	$wga = get_option( $option_name, array() );
688	$wga['code'] = $value['code']; // maintain compatibility with wp-google-analytics.
689
690	/**
691	* Allow newer versions of this endpoint to filter in additional fields for Google Analytics
692	*
693	* @since 5.4.0
694	*
695	* @param array $wga Associative array of existing Google Analytics settings.
696	* @param array $value Associative array of new Google Analytics settings passed to the endpoint.
697	*/
698	$wga = apply_filters( 'site_settings_update_wga', $wga, $value );
699
700	if ( update_option( $option_name, $wga ) ) {
701	$updated[ $key ] = $value;
702	}
703
704	$enabled_or_disabled = $wga['code'] ? 'enabled' : 'disabled';
705
706	/** This action is documented in modules/widgets/social-media-icons.php */
707	do_action( 'jetpack_bump_stats_extras', 'google-analytics', $enabled_or_disabled );
708
709	if ( $is_wpcom ) {
710	$business_plugins = WPCOM_Business_Plugins::instance();
711	$business_plugins->activate_plugin( 'wp-google-analytics' );
712	}
713	break;
714
715	case 'cloudflare_analytics':
716	if ( ! isset( $value['code'] ) \|\| ! preg_match( '/^$\|^[a-fA-F0-9]+$/i', $value['code'] ) ) {
717	return new WP_Error( 'invalid_code', __( 'Invalid Cloudflare Analytics ID', 'jetpack' ) );
718	}
719
720	if ( update_option( $key, $value ) ) {
721	$updated[ $key ] = $value;
722	}
723	break;
724
725	case 'jetpack_testimonial':
726	case 'jetpack_portfolio':
727	case 'jetpack_comment_likes_enabled':
728	// settings are stored as 1\|0.
729	$coerce_value = (int) $value;
730	if ( update_option( $key, $coerce_value ) ) {
731	$updated[ $key ] = (bool) $value;
732	}
733	break;
734
735	case 'jetpack_testimonial_posts_per_page':
736	case 'jetpack_portfolio_posts_per_page':
737	// settings are stored as numeric.
738	$coerce_value = (int) $value;
739	if ( update_option( $key, $coerce_value ) ) {
740	$updated[ $key ] = $coerce_value;
741	}
742	break;
743
744	// Sharing options.
745	case 'sharing_button_style':
746	case 'sharing_show':
747	case 'sharing_open_links':
748	$sharing_options[ preg_replace( '/^sharing_/', '', $key ) ] = $value;
749	break;
750	case 'sharing_label':
751	$sharing_options[ $key ] = $value;
752	break;
753
754	// Keyring token option.
755	case 'eventbrite_api_token':
756	// These options can only be updated for sites hosted on WordPress.com.
757	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
758	if ( empty( $value ) \|\| WPCOM_JSON_API::is_falsy( $value ) ) {
759	if ( delete_option( $key ) ) {
760	$updated[ $key ] = null;
761	}
762	} elseif ( update_option( $key, $value ) ) {
763	$updated[ $key ] = (int) $value;
764	}
765	}
766	break;
767
768	case 'api_cache':
769	if ( empty( $value ) \|\| WPCOM_JSON_API::is_falsy( $value ) ) {
770	if ( delete_option( 'jetpack_api_cache_enabled' ) ) {
771	$updated[ $key ] = false;
772	}
773	} elseif ( update_option( 'jetpack_api_cache_enabled', true ) ) {
774	$updated[ $key ] = true;
775	}
776	break;
777
778	case 'timezone_string':
779	/*
780	* Map UTC+- timezones to gmt_offsets and set timezone_string to empty
781	* https://github.com/WordPress/WordPress/blob/4.4.2/wp-admin/options.php#L175
782	*/
783	if ( ! empty( $value ) && preg_match( '/^UTC[+-]/', $value ) ) {
784	$gmt_offset = preg_replace( '/UTC\+?/', '', $value );
785	if ( update_option( 'gmt_offset', $gmt_offset ) ) {
786	$updated['gmt_offset'] = $gmt_offset;
787	}
788
789	$value = '';
790	}
791
792	/*
793	* Always set timezone_string either with the given value or with an
794	* empty string
795	*/
796	if ( update_option( $key, $value ) ) {
797	$updated[ $key ] = $value;
798	}
799	break;
800
801	case 'subscription_options':
802	$sanitized_value = (array) $value;
803	array_walk_recursive(
804	$sanitized_value,
805	function ( &$value ) {
806	$value = wp_kses(
807	$value,
808	array(
809	'a' => array(
810	'href' => array(),
811	),
812	)
813	);
814	}
815	);
816
817	$has_correct_length = count( $sanitized_value ) === 2;
818	$required_keys_exist = array_key_exists( 'invitation', $sanitized_value )
819	&& array_key_exists( 'comment_follow', $sanitized_value );
820	$is_valid = $has_correct_length && $required_keys_exist;
821
822	if ( $is_valid && update_option( $key, $sanitized_value ) ) {
823	$updated[ $key ] = $sanitized_value;
824	}
825	break;
826
827	case 'woocommerce_onboarding_profile':
828	// Allow boolean values but sanitize_text_field everything else.
829	$sanitized_value = (array) $value;
830	array_walk_recursive(
831	$sanitized_value,
832	function ( &$value ) {
833	if ( ! is_bool( $value ) ) {
834	$value = sanitize_text_field( $value );
835	}
836	}
837	);
838	if ( update_option( $key, $sanitized_value ) ) {
839	$updated[ $key ] = $sanitized_value;
840	}
841	break;
842
843	case 'woocommerce_store_address':
844	case 'woocommerce_store_address_2':
845	case 'woocommerce_store_city':
846	case 'woocommerce_default_country':
847	case 'woocommerce_store_postcode':
848	$sanitized_value = sanitize_text_field( $value );
849	if ( update_option( $key, $sanitized_value ) ) {
850	$updated[ $key ] = $sanitized_value;
851	}
852	break;
853
854	case 'date_format':
855	case 'time_format':
856	// settings are stored as strings.
857	// raw_value is used to help preserve any escaped characters that might exist in the formatted string.
858	$sanitized_value = sanitize_text_field( $raw_value );
859	if ( update_option( $key, $sanitized_value ) ) {
860	$updated[ $key ] = $sanitized_value;
861	}
862	break;
863
864	case 'start_of_week':
865	// setting is stored as int in 0-6 range (days of week).
866	$coerce_value = (int) $value;
867	$limit_value = ( $coerce_value >= 0 && $coerce_value <= 6 ) ? $coerce_value : 0;
868	if ( update_option( $key, $limit_value ) ) {
869	$updated[ $key ] = $limit_value;
870	}
871	break;
872
873	case 'site_icon':
874	/*
875	* settings are stored as deletable numeric (all empty
876	* values as delete intent), validated as media image
877	*/
878	if ( empty( $value ) \|\| WPCOM_JSON_API::is_falsy( $value ) ) {
879	/**
880	* Fallback mechanism to clear a third party site icon setting. Can be used
881	* to unset the option when an API request instructs the site to remove the site icon.
882	*
883	* @module json-api
884	*
885	* @since 4.10
886	*/
887	if ( delete_option( $key ) \|\| apply_filters( 'rest_api_site_icon_cleared', false ) ) {
888	$updated[ $key ] = null;
889	}
890	} elseif ( is_numeric( $value ) ) {
891	$coerce_value = (int) $value;
892	if ( wp_attachment_is_image( $coerce_value ) && update_option( $key, $coerce_value ) ) {
893	$updated[ $key ] = $coerce_value;
894	}
895	}
896	break;
897
898	case Jetpack_SEO_Utils::FRONT_PAGE_META_OPTION:
899	if ( ! Jetpack_SEO_Utils::is_enabled_jetpack_seo() && ! Jetpack_SEO_Utils::has_legacy_front_page_meta() ) {
900	return new WP_Error( 'unauthorized', __( 'SEO tools are not enabled for this site.', 'jetpack' ), 403 );
901	}
902
903	if ( ! is_string( $value ) ) {
904	return new WP_Error( 'invalid_input', __( 'Invalid SEO meta description value.', 'jetpack' ), 400 );
905	}
906
907	$new_description = Jetpack_SEO_Utils::update_front_page_meta_description( $value );
908
909	if ( ! empty( $new_description ) ) {
910	$updated[ $key ] = $new_description;
911	}
912	break;
913
914	case Jetpack_SEO_Titles::TITLE_FORMATS_OPTION:
915	if ( ! Jetpack_SEO_Utils::is_enabled_jetpack_seo() ) {
916	if ( Jetpack_SEO_Utils::has_legacy_front_page_meta() ) {
917	break;
918	}
919	return new WP_Error( 'unauthorized', __( 'SEO tools are not enabled for this site.', 'jetpack' ), 403 );
920	}
921
922	if ( ! Jetpack_SEO_Titles::are_valid_title_formats( $value ) ) {
923	return new WP_Error( 'invalid_input', __( 'Invalid SEO title format.', 'jetpack' ), 400 );
924	}
925
926	$new_title_formats = Jetpack_SEO_Titles::update_title_formats( $value );
927
928	if ( ! empty( $new_title_formats ) ) {
929	$updated[ $key ] = $new_title_formats;
930	}
931	break;
932
933	case 'verification_services_codes':
934	$verification_codes = jetpack_verification_validate( $value );
935
936	if ( update_option( 'verification_services_codes', $verification_codes ) ) {
937	$updated[ $key ] = $verification_codes;
938	}
939	break;
940
941	case 'wpcom_publish_posts_with_markdown':
942	case 'wpcom_publish_comments_with_markdown':
943	$coerce_value = (bool) $value;
944	if ( update_option( $key, $coerce_value ) ) {
945	$updated[ $key ] = $coerce_value;
946	}
947	break;
948
949	case 'wpcom_gifting_subscription':
950	$coerce_value = (bool) $value;
951
952	/*
953	* get_option returns a boolean false if the option doesn't exist, otherwise it always returns
954	* a serialized value. Knowing that we can check if the option already exists.
955	*/
956	$gift_toggle = get_option( $key );
957	if ( false === $gift_toggle ) {
958	// update_option will not create a new option if the initial value is false. So use add_option.
959	if ( add_option( $key, $coerce_value ) ) {
960	$updated[ $key ] = $coerce_value;
961	}
962	} elseif ( update_option( $key, $coerce_value ) ) { // If the option already exists use update_option.
963	$updated[ $key ] = $coerce_value;
964	}
965	break;
966
967	case 'amp_is_enabled':
968	if ( function_exists( 'wpcom_update_amp_enabled' ) ) {
969	$saved = wpcom_update_amp_enabled( $blog_id, $value );
970	if ( $saved ) {
971	$updated[ $key ] = (bool) $value;
972	}
973	}
974	break;
975
976	case 'rss_use_excerpt':
977	update_option( 'rss_use_excerpt', (int) (bool) $value );
978	break;
979
980	case 'wpcom_subscription_emails_use_excerpt':
981	update_option( 'wpcom_subscription_emails_use_excerpt', (bool) $value );
982	$updated[ $key ] = (bool) $value;
983	break;
984
985	case 'instant_search_enabled':
986	update_option( 'instant_search_enabled', (bool) $value );
987	$updated[ $key ] = (bool) $value;
988	break;
989
990	case 'lang_id':
991	/*
992	* Due to the fact that locale variants are set in a locale_variant option,
993	* changing locale from variant to primary
994	* would look like the same lang_id is being saved and update_option would return false,
995	* even though the correct options would be set by pre_update_option_lang_id,
996	* so we should always return lang_id as updated.
997	*/
998	update_option( 'lang_id', (int) $value );
999	$updated[ $key ] = (int) $value;
1000	break;
1001
1002	case 'wpcom_featured_image_in_email':
1003	update_option( 'wpcom_featured_image_in_email', (int) (bool) $value );
1004	$updated[ $key ] = (int) (bool) $value;
1005	break;
1006
1007	case 'show_on_front':
1008	if ( in_array( $value, array( 'page', 'posts' ), true ) && update_option( $key, $value ) ) {
1009	$updated[ $key ] = $value;
1010	}
1011	break;
1012
1013	case 'page_on_front':
1014	case 'page_for_posts':
1015	if ( $value === '' ) { // empty function is not applicable here because '0' may be a valid page id
1016	if ( delete_option( $key ) ) {
1017	$updated[ $key ] = null;
1018	}
1019
1020	break;
1021	}
1022
1023	if ( ! $this->is_valid_page_id( $value ) ) {
1024	break;
1025	}
1026
1027	$related_option_key = $key === 'page_on_front' ? 'page_for_posts' : 'page_on_front';
1028	$related_option_value = get_option( $related_option_key );
1029	if ( $related_option_value === $value ) {
1030	// page_on_front and page_for_posts are not allowed to be the same
1031	break;
1032	}
1033
1034	if ( update_option( $key, $value ) ) {
1035	$updated[ $key ] = $value;
1036	}
1037
1038	break;
1039
1040	default:
1041	// allow future versions of this endpoint to support additional settings keys.
1042	if ( has_filter( 'site_settings_endpoint_update_' . $key ) ) {
1043	/**
1044	* Filter current site setting value to be updated.
1045	*
1046	* @module json-api
1047	*
1048	* @since 3.9.3
1049	*
1050	* @param mixed $response_item A single site setting value.
1051	*/
1052	$value = apply_filters( 'site_settings_endpoint_update_' . $key, $value );
1053	$updated[ $key ] = $value;
1054	break;
1055	}
1056	// no worries, we've already whitelisted and casted arguments above.
1057	if ( update_option( $key, $value ) ) {
1058	$updated[ $key ] = $value;
1059	}
1060	}
1061	}
1062
1063	if ( count( $jetpack_relatedposts_options ) ) {
1064	// track new jetpack_relatedposts options against old.
1065	$old_relatedposts_options = Jetpack_Options::get_option( 'relatedposts' );
1066
1067	$jetpack_relatedposts_options_to_save = $old_relatedposts_options;
1068	foreach ( $jetpack_relatedposts_options as $key => $value ) {
1069	$jetpack_relatedposts_options_to_save[ $key ] = $value;
1070	}
1071
1072	if ( Jetpack_Options::update_option( 'relatedposts', $jetpack_relatedposts_options_to_save ) ) {
1073	foreach ( $jetpack_relatedposts_options as $key => $value ) {
1074	if ( in_array( $key, array( 'show_context', 'show_date' ), true ) ) {
1075	$has_initialized_option = ! isset( $old_relatedposts_options[ $key ] ) && $value;
1076	$has_updated_option = isset( $old_relatedposts_options[ $key ] ) && $value !== $old_relatedposts_options[ $key ];
1077
1078	if ( $has_initialized_option \|\| $has_updated_option ) {
1079	$updated[ 'jetpack_relatedposts_' . $key ] = (bool) $value;
1080	}
1081	} elseif ( isset( $old_relatedposts_options[ $key ] ) && $value !== $old_relatedposts_options[ $key ] ) {
1082	$updated[ 'jetpack_relatedposts_' . $key ] = $value;
1083	}
1084	}
1085	}
1086	}
1087
1088	if ( ! empty( $sharing_options ) && class_exists( 'Sharing_Service' ) ) {
1089	$ss = new Sharing_Service();
1090
1091	/*
1092	* Merge current values with updated, since Sharing_Service expects
1093	* all values to be included when updating
1094	*/
1095	$current_sharing_options = $ss->get_global_options();
1096	foreach ( $current_sharing_options as $key => $val ) {
1097	if ( ! isset( $sharing_options[ $key ] ) ) {
1098	$sharing_options[ $key ] = $val;
1099	}
1100	}
1101
1102	$updated_social_options = $ss->set_global_options( $sharing_options );
1103
1104	if ( isset( $input['sharing_button_style'] ) ) {
1105	$updated['sharing_button_style'] = (string) $updated_social_options['button_style'];
1106	}
1107	if ( isset( $input['sharing_label'] ) ) {
1108	// Sharing_Service won't report label as updated if set to default.
1109	$updated['sharing_label'] = (string) $sharing_options['sharing_label'];
1110	}
1111	if ( isset( $input['sharing_show'] ) ) {
1112	$updated['sharing_show'] = (array) $updated_social_options['show'];
1113	}
1114	if ( isset( $input['sharing_open_links'] ) ) {
1115	$updated['sharing_open_links'] = (string) $updated_social_options['open_links'];
1116	}
1117	}
1118
1119	return array(
1120	'updated' => $updated,
1121	);
1122	}
1123
1124	/**
1125	* Get the value of the wpcom_subscription_emails_use_excerpt option.
1126	* When the option is not set, it will return the value of the rss_use_excerpt option.
1127	*
1128	* @return bool
1129	*/
1130	protected function get_wpcom_subscription_emails_use_excerpt_option() {
1131	$wpcom_subscription_emails_use_excerpt = get_option( 'wpcom_subscription_emails_use_excerpt', null );
1132
1133	if ( $wpcom_subscription_emails_use_excerpt === null ) {
1134	$rss_use_excerpt = get_option( 'rss_use_excerpt', null );
1135	$wpcom_subscription_emails_use_excerpt = $rss_use_excerpt === null ? false : $rss_use_excerpt;
1136	}
1137
1138	return (bool) $wpcom_subscription_emails_use_excerpt;
1139	}
1140
1141	/**
1142	* Check if the given value is a valid page ID for the current site.
1143	*
1144	* @param mixed $value The value to check.
1145	* @return bool True if the value is a valid page ID for the current site, false otherwise.
1146	*/
1147	protected function is_valid_page_id( $value ) {
1148	$all_page_ids = get_all_page_ids();
1149
1150	$valid_page_id = false;
1151	foreach ( $all_page_ids as $page_id ) {
1152	if ( $page_id === (string) $value ) {
1153	$valid_page_id = true;
1154	break;
1155	}
1156	}
1157
1158	return $valid_page_id;
1159	}
1160	}
1161