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Jetpack – WP Security, Backup, Speed, & Growth v12.2.2
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jetpack / class.jetpack-network.php

class.jetpack-network.php in Jetpack – WP Security, Backup, Speed, & Growth 12.2.2, at class.jetpack-network.php

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1 <?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFilename
2 /**
3 * Jetpack Network Manager class file.
4 *
5 * @package automattic/jetpack
6 */
7
8 use Automattic\Jetpack\Assets\Logo;
9 use Automattic\Jetpack\Connection\Manager;
10 use Automattic\Jetpack\Connection\Tokens;
11 use Automattic\Jetpack\Status;
12 use Automattic\Jetpack\Waf\Brute_Force_Protection\Brute_Force_Protection_Shared_Functions;
13
14 /**
15 * Used to manage Jetpack installation on Multisite Network installs
16 *
17 * SINGLETON: To use call Jetpack_Network::init()
18 *
19 * DO NOT USE ANY STATIC METHODS IN THIS CLASS!!!!!!
20 *
21 * @since 2.9
22 */
23 class Jetpack_Network {
24
25 /**
26 * Holds a static copy of Jetpack_Network for the singleton
27 *
28 * @since 2.9
29 * @var Jetpack_Network
30 */
31 private static $instance = null;
32
33 /**
34 * An instance of the connection manager object.
35 *
36 * @since 7.7
37 * @var Automattic\Jetpack\Connection\Manager
38 */
39 private $connection;
40
41 /**
42 * Name of the network wide settings
43 *
44 * @since 2.9
45 * @var string
46 */
47 private $settings_name = 'jetpack-network-settings';
48
49 /**
50 * Defaults for settings found on the Jetpack > Settings page
51 *
52 * @since 2.9
53 * @var array
54 */
55 private $setting_defaults = array(
56 'auto-connect' => 0,
57 'sub-site-connection-override' => 1,
58 );
59
60 /**
61 * Constructor
62 *
63 * @since 2.9
64 */
65 private function __construct() {
66 require_once ABSPATH . '/wp-admin/includes/plugin.php'; // For the is_plugin... check.
67
68 /**
69 * Sanity check to ensure the install is Multisite and we
70 * are in Network Admin
71 */
72 if ( is_multisite() && is_network_admin() ) {
73 add_action( 'network_admin_menu', array( $this, 'add_network_admin_menu' ) );
74 add_action( 'network_admin_edit_jetpack-network-settings', array( $this, 'save_network_settings_page' ), 10, 0 );
75 add_filter( 'admin_body_class', array( $this, 'body_class' ) );
76
77 if ( isset( $_GET['page'] ) && 'jetpack' === $_GET['page'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is view logic.
78 add_action( 'admin_init', array( $this, 'jetpack_sites_list' ) );
79 }
80 }
81
82 /*
83 * Things that should only run on multisite
84 */
85 if ( is_multisite() && is_plugin_active_for_network( 'jetpack/jetpack.php' ) ) {
86 add_action( 'wp_before_admin_bar_render', array( $this, 'add_to_menubar' ) );
87 add_filter( 'jetpack_disconnect_cap', array( $this, 'set_multisite_disconnect_cap' ) );
88
89 /*
90 * If admin wants to automagically register new sites set the hook here
91 *
92 * This is a hacky way because xmlrpc is not available on wp_initialize_site
93 */
94 if ( 1 === $this->get_option( 'auto-connect' ) ) {
95 add_action( 'wp_initialize_site', array( $this, 'do_automatically_add_new_site' ) );
96 }
97 }
98 }
99
100 /**
101 * Sets a connection object.
102 *
103 * @param Automattic\Jetpack\Connection\Manager $connection the connection manager object.
104 */
105 public function set_connection( Manager $connection ) {
106 $this->connection = $connection;
107 }
108
109 /**
110 * Registers new sites upon creation
111 *
112 * @since 2.9
113 * @since 7.4.0 Uses a WP_Site object.
114 * @uses wp_initialize_site
115 *
116 * @param WP_Site $site the WordPress site object.
117 **/
118 public function do_automatically_add_new_site( $site ) {
119 if ( is_a( $site, 'WP_Site' ) ) {
120 $this->do_subsiteregister( $site->id );
121 }
122 }
123
124 /**
125 * Adds .network-admin class to the body tag
126 * Helps distinguish network admin JP styles from regular site JP styles
127 *
128 * @since 2.9
129 *
130 * @param String $classes current assigned body classes.
131 * @return String amended class string.
132 */
133 public function body_class( $classes ) {
134 return trim( $classes ) . ' network-admin ';
135 }
136
137 /**
138 * Provides access to an instance of Jetpack_Network
139 *
140 * This is how the Jetpack_Network object should *always* be accessed
141 *
142 * @since 2.9
143 * @return Jetpack_Network
144 */
145 public static function init() {
146 if ( ! self::$instance || ! is_a( self::$instance, 'Jetpack_Network' ) ) {
147 self::$instance = new Jetpack_Network();
148 }
149
150 return self::$instance;
151 }
152
153 /**
154 * Registers the Multisite admin bar menu item shortcut.
155 * This shortcut helps users quickly and easily navigate to the Jetpack Network Admin
156 * menu from anywhere in their network.
157 *
158 * @since 2.9
159 */
160 public function register_menubar() {
161 add_action( 'wp_before_admin_bar_render', array( $this, 'add_to_menubar' ) );
162 }
163
164 /**
165 * Runs when Jetpack is deactivated from the network admin plugins menu.
166 * Each individual site will need to have Jetpack::disconnect called on it.
167 * Site that had Jetpack individually enabled will not be disconnected as
168 * on Multisite individually activated plugins are still activated when
169 * a plugin is deactivated network wide.
170 *
171 * @since 2.9
172 **/
173 public function deactivate() {
174 // Only fire if in network admin.
175 if ( ! is_network_admin() ) {
176 return;
177 }
178
179 $sites = get_sites();
180
181 foreach ( $sites as $s ) {
182 switch_to_blog( $s->blog_id );
183 $active_plugins = get_option( 'active_plugins' );
184
185 /*
186 * If this plugin was activated in the subsite individually
187 * we do not want to call disconnect. Plugins activated
188 * individually (before network activation) stay activated
189 * when the network deactivation occurs
190 */
191 if ( ! in_array( 'jetpack/jetpack.php', $active_plugins, true ) ) {
192 Jetpack::disconnect();
193 Jetpack_Options::delete_option( 'version' );
194 }
195 restore_current_blog();
196 }
197 }
198
199 /**
200 * Adds a link to the Jetpack Network Admin page in the network admin menu bar.
201 *
202 * @since 2.9
203 **/
204 public function add_to_menubar() {
205 global $wp_admin_bar;
206 // Don't show for logged out users or single site mode.
207 if ( ! is_user_logged_in() || ! is_multisite() ) {
208 return;
209 }
210
211 $wp_admin_bar->add_node(
212 array(
213 'parent' => 'network-admin',
214 'id' => 'network-admin-jetpack',
215 'title' => 'Jetpack',
216 'href' => $this->get_url( 'network_admin_page' ),
217 )
218 );
219 }
220
221 /**
222 * Returns various URL strings. Factory like
223 *
224 * $args can be a string or an array.
225 * If $args is an array there must be an element called name for the switch statement
226 *
227 * Currently supports:
228 * - subsiteregister: Pass array( 'name' => 'subsiteregister', 'site_id' => SITE_ID )
229 * - network_admin_page: Provides link to /wp-admin/network/JETPACK
230 * - subsitedisconnect: Pass array( 'name' => 'subsitedisconnect', 'site_id' => SITE_ID )
231 *
232 * @since 2.9
233 *
234 * @param Mixed $args URL parameters.
235 *
236 * @return String
237 **/
238 public function get_url( $args ) {
239 $url = null; // Default url value.
240
241 if ( is_string( $args ) ) {
242 $name = $args;
243 } elseif ( is_array( $args ) ) {
244 $name = $args['name'];
245 } else {
246 return $url;
247 }
248
249 switch ( $name ) {
250 case 'subsiteregister':
251 if ( ! isset( $args['site_id'] ) ) {
252 break; // If there is not a site id present we cannot go further.
253 }
254 $url = network_admin_url(
255 'admin.php?page=jetpack&action=subsiteregister&site_id='
256 . $args['site_id']
257 );
258 break;
259
260 case 'network_admin_page':
261 $url = network_admin_url( 'admin.php?page=jetpack' );
262 break;
263
264 case 'subsitedisconnect':
265 if ( ! isset( $args['site_id'] ) ) {
266 break; // If there is not a site id present we cannot go further.
267 }
268 $url = network_admin_url(
269 'admin.php?page=jetpack&action=subsitedisconnect&site_id='
270 . $args['site_id']
271 );
272 break;
273 }
274
275 return $url;
276 }
277
278 /**
279 * Adds the Jetpack menu item to the Network Admin area
280 *
281 * @since 2.9
282 */
283 public function add_network_admin_menu() {
284 $icon = ( new Logo() )->get_base64_logo();
285 add_menu_page( 'Jetpack', 'Jetpack', 'jetpack_network_admin_page', 'jetpack', array( $this, 'wrap_network_admin_page' ), $icon, 3 );
286 $jetpack_sites_page_hook = add_submenu_page( 'jetpack', __( 'Jetpack Sites', 'jetpack' ), __( 'Sites', 'jetpack' ), 'jetpack_network_sites_page', 'jetpack', array( $this, 'wrap_network_admin_page' ) );
287 $jetpack_settings_page_hook = add_submenu_page( 'jetpack', __( 'Settings', 'jetpack' ), __( 'Settings', 'jetpack' ), 'jetpack_network_settings_page', 'jetpack-settings', array( $this, 'wrap_render_network_admin_settings_page' ) );
288 add_action( "admin_print_styles-$jetpack_sites_page_hook", array( 'Jetpack_Admin_Page', 'load_wrapper_styles' ) );
289 add_action( "admin_print_styles-$jetpack_settings_page_hook", array( 'Jetpack_Admin_Page', 'load_wrapper_styles' ) );
290 /**
291 * As jetpack_register_genericons is by default fired off a hook,
292 * the hook may have already fired by this point.
293 * So, let's just trigger it manually.
294 */
295 require_once JETPACK__PLUGIN_DIR . '_inc/genericons.php';
296 jetpack_register_genericons();
297 }
298
299 /**
300 * Provides functionality for the Jetpack > Sites page.
301 * Does not do the display!
302 *
303 * @since 2.9
304 */
305 public function jetpack_sites_list() {
306 Jetpack::init();
307
308 if ( isset( $_GET['action'] ) ) {
309 switch ( $_GET['action'] ) {
310 case 'subsiteregister':
311 check_admin_referer( 'jetpack-subsite-register' );
312 Jetpack::log( 'subsiteregister' );
313
314 // If no site_id, stop registration and error.
315 if ( ! isset( $_GET['site_id'] ) || empty( $_GET['site_id'] ) ) {
316 /**
317 * Log error to state cookie for display later.
318 *
319 * @todo Make state messages show on Jetpack NA pages
320 */
321 Jetpack::state( 'missing_site_id', esc_html__( 'Site ID must be provided to register a sub-site.', 'jetpack' ) );
322 break;
323 }
324
325 // Send data to register endpoint and retrieve shadow blog details.
326 $result = $this->do_subsiteregister();
327 $url = $this->get_url( 'network_admin_page' );
328
329 if ( is_wp_error( $result ) ) {
330 $url = add_query_arg( 'action', 'connection_failed', $url );
331 } else {
332 $url = add_query_arg( 'action', 'connected', $url );
333 }
334
335 wp_safe_redirect( $url );
336 exit;
337
338 case 'subsitedisconnect':
339 check_admin_referer( 'jetpack-subsite-disconnect' );
340 Jetpack::log( 'subsitedisconnect' );
341
342 if ( ! isset( $_GET['site_id'] ) || empty( $_GET['site_id'] ) ) {
343 Jetpack::state( 'missing_site_id', esc_html__( 'Site ID must be provided to disconnect a sub-site.', 'jetpack' ) );
344 break;
345 }
346
347 $this->do_subsitedisconnect();
348 break;
349
350 case 'connected':
351 case 'connection_failed':
352 add_action( 'jetpack_notices', array( $this, 'show_jetpack_notice' ) );
353 break;
354 }
355 }
356 }
357
358 /**
359 * Set the disconnect capability for multisite.
360 *
361 * @param array $caps The capabilities array.
362 */
363 public function set_multisite_disconnect_cap( $caps ) {
364 // Can individual site admins manage their own connection?
365 if ( ! is_super_admin() && ! $this->get_option( 'sub-site-connection-override' ) ) {
366 /*
367 * We need to update the option name -- it's terribly unclear which
368 * direction the override goes.
369 *
370 * @todo: Update the option name to `sub-sites-can-manage-own-connections`
371 */
372 return array( 'do_not_allow' );
373 }
374
375 return $caps;
376 }
377
378 /**
379 * Shows the Jetpack plugin notices.
380 */
381 public function show_jetpack_notice() {
382 if ( isset( $_GET['action'] ) && 'connected' === $_GET['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is view logic.
383 $notice = __( 'Site successfully connected.', 'jetpack' );
384 $classname = 'updated';
385 } elseif ( isset( $_GET['action'] ) && 'connection_failed' === $_GET['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- This is view logic.
386 $notice = __( 'Site connection failed!', 'jetpack' );
387 $classname = 'error';
388 }
389 ?>
390 <div id="message" class="<?php echo esc_attr( $classname ); ?> jetpack-message jp-connect" style="display:block !important;">
391 <p><?php echo esc_html( $notice ); ?></p>
392 </div>
393 <?php
394 }
395
396 /**
397 * Disconnect functionality for an individual site
398 *
399 * @since 2.9
400 * @see Jetpack_Network::jetpack_sites_list()
401 *
402 * @param int $site_id the site identifier.
403 */
404 public function do_subsitedisconnect( $site_id = null ) {
405 if ( ! current_user_can( 'jetpack_disconnect' ) ) {
406 return;
407 }
408 // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Caller (i.e. `$this->jetpack_sites_list()`) should check.
409 $site_id = ( $site_id === null ) ? ( isset( $_GET['site_id'] ) ? (int) $_GET['site_id'] : null ) : $site_id;
410 switch_to_blog( $site_id );
411 Jetpack::disconnect();
412 restore_current_blog();
413 }
414
415 /**
416 * Registers a subsite with the Jetpack servers
417 *
418 * @since 2.9
419 * @todo Break apart into easier to manage chunks that can be unit tested
420 * @see Jetpack_Network::jetpack_sites_list();
421 *
422 * @param int $site_id the site identifier.
423 */
424 public function do_subsiteregister( $site_id = null ) {
425 if ( ! current_user_can( 'jetpack_disconnect' ) ) {
426 return;
427 }
428
429 if ( ( new Status() )->is_offline_mode() ) {
430 return;
431 }
432
433 // Figure out what site we are working on.
434 // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Caller (i.e. `$this->jetpack_sites_list()`) should check.
435 $site_id = ( $site_id === null ) ? ( isset( $_GET['site_id'] ) ? (int) $_GET['site_id'] : null ) : $site_id;
436
437 /*
438 * Here we need to switch to the subsite
439 * For the registration process we really only hijack how it
440 * works for an individual site and pass in some extra data here
441 */
442 switch_to_blog( $site_id );
443
444 add_filter( 'jetpack_register_request_body', array( $this, 'filter_register_request_body' ) );
445 add_action( 'jetpack_site_registered_user_token', array( $this, 'filter_register_user_token' ) );
446
447 // Save the secrets in the subsite so when the wpcom server does a pingback it
448 // will be able to validate the connection.
449 $result = $this->connection->register( 'subsiteregister' );
450
451 if ( is_wp_error( $result ) || ! $result ) {
452 restore_current_blog();
453 return $result;
454 }
455
456 Jetpack::activate_default_modules( false, false, array(), false );
457
458 restore_current_blog();
459 }
460
461 /**
462 * Receives the registration response token.
463 *
464 * @param Object $token the received token.
465 */
466 public function filter_register_user_token( $token ) {
467 $is_connection_owner = ! $this->connection->has_connected_owner();
468 ( new Tokens() )->update_user_token(
469 get_current_user_id(),
470 sprintf( '%s.%d', $token->secret, get_current_user_id() ),
471 $is_connection_owner
472 );
473 }
474
475 /**
476 * Filters the registration request body to include additional properties.
477 *
478 * @param array $properties standard register request body properties.
479 * @return array amended properties.
480 */
481 public function filter_register_request_body( $properties ) {
482 $blog_details = get_blog_details();
483
484 $network = get_network();
485
486 switch_to_blog( $network->blog_id );
487 // The blog id on WordPress.com of the primary network site.
488 $network_wpcom_blog_id = Jetpack_Options::get_option( 'id' );
489 restore_current_blog();
490
491 /**
492 * Both `state` and `user_id` need to be sent in the request, even though they are the same value.
493 * Connecting via the network admin combines `register()` and `authorize()` methods into one step,
494 * because we assume the main site is already authorized. `state` is used to verify the `register()`
495 * request, while `user_id()` is used to create the token in the `authorize()` request.
496 */
497 return array_merge(
498 $properties,
499 array(
500 'network_url' => $this->get_url( 'network_admin_page' ),
501 'network_wpcom_blog_id' => $network_wpcom_blog_id,
502 'user_id' => get_current_user_id(),
503
504 /*
505 * Use the subsite's registration date as the site creation date.
506 *
507 * This is in contrast to regular standalone sites, where we use the helper
508 * `Jetpack::get_assumed_site_creation_date()` to assume the site's creation date.
509 */
510 'site_created' => $blog_details->registered,
511 )
512 );
513 }
514
515 /**
516 * A hook handler for adding admin pages and subpages.
517 */
518 public function wrap_network_admin_page() {
519 Jetpack_Admin_Page::wrap_ui( array( $this, 'network_admin_page' ) );
520 }
521
522 /**
523 * Handles the displaying of all sites on the network that are
524 * dis/connected to Jetpack
525 *
526 * @since 2.9
527 * @see Jetpack_Network::jetpack_sites_list()
528 */
529 public function network_admin_page() {
530 global $current_site;
531 $this->network_admin_page_header();
532
533 $jp = Jetpack::init();
534
535 // We should be, but ensure we are on the main blog.
536 switch_to_blog( $current_site->blog_id );
537 $main_active = $jp->is_connection_ready();
538 restore_current_blog();
539
540 // If we are in dev mode, just show the notice and bail.
541 if ( ( new Status() )->is_offline_mode() ) {
542 Jetpack::show_development_mode_notice();
543 return;
544 }
545
546 /*
547 * Ensure the main blog is connected as all other subsite blog
548 * connections will feed off this one
549 */
550 if ( ! $main_active ) {
551 $data = array( 'url' => $jp->build_connect_url() );
552 Jetpack::init()->load_view( 'admin/must-connect-main-blog.php', $data );
553
554 return;
555 }
556
557 require_once __DIR__ . '/class.jetpack-network-sites-list-table.php';
558
559 $network_sites_table = new Jetpack_Network_Sites_List_Table();
560 echo '<div class="wrap"><h2>' . esc_html__( 'Sites', 'jetpack' ) . '</h2>';
561 echo '<form method="post">';
562 $network_sites_table->prepare_items();
563 $network_sites_table->display();
564 echo '</form></div>';
565 }
566
567 /**
568 * Stylized JP header formatting
569 *
570 * @since 2.9
571 */
572 public function network_admin_page_header() {
573 $is_connected = Jetpack::is_connection_ready();
574
575 $data = array(
576 'is_connected' => $is_connected,
577 );
578 Jetpack::init()->load_view( 'admin/network-admin-header.php', $data );
579 }
580
581 /**
582 * Fires when the Jetpack > Settings page is saved.
583 *
584 * @since 2.9
585 */
586 public function save_network_settings_page() {
587
588 if ( ! isset( $_POST['_wpnonce'] ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'jetpack-network-settings' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
589 // No nonce, push back to settings page.
590 wp_safe_redirect(
591 add_query_arg(
592 array( 'page' => 'jetpack-settings' ),
593 network_admin_url( 'admin.php' )
594 )
595 );
596 exit();
597 }
598
599 // Try to save the Protect allow list before anything else, since that action can result in errors.
600 $allow_list = isset( $_POST['global-allow-list'] ) ? filter_var( wp_unslash( $_POST['global-allow-list'] ) ) : '';
601 $allow_list = str_replace( ' ', '', $allow_list );
602 $allow_list = explode( PHP_EOL, $allow_list );
603 $result = Brute_Force_Protection_Shared_Functions::save_allow_list( $allow_list, true );
604 if ( is_wp_error( $result ) ) {
605 wp_safe_redirect(
606 add_query_arg(
607 array(
608 'page' => 'jetpack-settings',
609 'error' => 'jetpack_protect_whitelist',
610 ),
611 network_admin_url( 'admin.php' )
612 )
613 );
614 exit();
615 }
616
617 /*
618 * Fields
619 *
620 * auto-connect - Checkbox for global Jetpack connection
621 * sub-site-connection-override - Allow sub-site admins to (dis)reconnect with their own Jetpack account
622 */
623 $auto_connect = 0;
624 if ( isset( $_POST['auto-connect'] ) ) {
625 $auto_connect = 1;
626 }
627
628 $sub_site_connection_override = 0;
629 if ( isset( $_POST['sub-site-connection-override'] ) ) {
630 $sub_site_connection_override = 1;
631 }
632
633 $data = array(
634 'auto-connect' => $auto_connect,
635 'sub-site-connection-override' => $sub_site_connection_override,
636 );
637
638 update_site_option( $this->settings_name, $data );
639 wp_safe_redirect(
640 add_query_arg(
641 array(
642 'page' => 'jetpack-settings',
643 'updated' => 'true',
644 ),
645 network_admin_url( 'admin.php' )
646 )
647 );
648 exit();
649 }
650
651 /**
652 * A hook handler for adding admin pages and subpages.
653 */
654 public function wrap_render_network_admin_settings_page() {
655 Jetpack_Admin_Page::wrap_ui( array( $this, 'render_network_admin_settings_page' ) );
656 }
657
658 /**
659 * A hook rendering the admin settings page.
660 */
661 public function render_network_admin_settings_page() {
662 $this->network_admin_page_header();
663 $options = wp_parse_args( get_site_option( $this->settings_name ), $this->setting_defaults );
664
665 $modules = array();
666 $module_slugs = Jetpack::get_available_modules();
667 foreach ( $module_slugs as $slug ) {
668 $module = Jetpack::get_module( $slug );
669 $module['module'] = $slug;
670 $modules[] = $module;
671 }
672
673 usort( $modules, array( 'Jetpack', 'sort_modules' ) );
674
675 if ( ! isset( $options['modules'] ) ) {
676 $options['modules'] = $modules;
677 }
678
679 $data = array(
680 'modules' => $modules,
681 'options' => $options,
682 'jetpack_protect_whitelist' => Brute_Force_Protection_Shared_Functions::format_allow_list(),
683 );
684
685 Jetpack::init()->load_view( 'admin/network-settings.php', $data );
686 }
687
688 /**
689 * Updates a site wide option
690 *
691 * @since 2.9
692 *
693 * @param string $key option name.
694 * @param mixed $value option value.
695 *
696 * @return boolean
697 **/
698 public function update_option( $key, $value ) {
699 $options = get_site_option( $this->settings_name, $this->setting_defaults );
700 $options[ $key ] = $value;
701
702 return update_site_option( $this->settings_name, $options );
703 }
704
705 /**
706 * Retrieves a site wide option
707 *
708 * @since 2.9
709 *
710 * @param string $name - Name of the option in the database.
711 **/
712 public function get_option( $name ) {
713 $options = get_site_option( $this->settings_name, $this->setting_defaults );
714 $options = wp_parse_args( $options, $this->setting_defaults );
715
716 if ( ! isset( $options[ $name ] ) ) {
717 $options[ $name ] = null;
718 }
719
720 return $options[ $name ];
721 }
722 }
723