Code Coverage
 
Lines
Functions and Methods
Classes and Traits
Total
17.74% covered (danger)
17.74%
77 / 434
6.25% covered (danger)
6.25%
2 / 32
CRAP
0.00% covered (danger)
0.00%
0 / 1
Jetpack_Backup
17.59% covered (danger)
17.59%
76 / 432
6.25% covered (danger)
6.25%
2 / 32
3395.03
0.00% covered (danger)
0.00%
0 / 1
 initialize
0.00% covered (danger)
0.00%
0 / 26
0.00% covered (danger)
0.00%
0 / 1
6
 add_wp_admin_submenu
0.00% covered (danger)
0.00%
0 / 16
0.00% covered (danger)
0.00%
0 / 1
42
 admin_init
0.00% covered (danger)
0.00%
0 / 4
0.00% covered (danger)
0.00%
0 / 1
6
 maybe_upgrade_db
0.00% covered (danger)
0.00%
0 / 4
0.00% covered (danger)
0.00%
0 / 1
6
 can_use_analytics
0.00% covered (danger)
0.00%
0 / 4
0.00% covered (danger)
0.00%
0 / 1
2
 enqueue_admin_scripts
0.00% covered (danger)
0.00%
0 / 16
0.00% covered (danger)
0.00%
0 / 1
12
 plugin_settings_page
0.00% covered (danger)
0.00%
0 / 2
0.00% covered (danger)
0.00%
0 / 1
2
 get_initial_state
0.00% covered (danger)
0.00%
0 / 1
0.00% covered (danger)
0.00%
0 / 1
2
 register_rest_routes
0.00% covered (danger)
0.00%
0 / 128
0.00% covered (danger)
0.00%
0 / 1
2
 backups_permissions_callback
0.00% covered (danger)
0.00%
0 / 1
0.00% covered (danger)
0.00%
0 / 1
2
 get_recent_backups
76.92% covered (warning)
76.92%
10 / 13
0.00% covered (danger)
0.00%
0 / 1
2.05
 get_rewind_state_from_wpcom
0.00% covered (danger)
0.00%
0 / 10
0.00% covered (danger)
0.00%
0 / 1
12
 has_backup_plan
0.00% covered (danger)
0.00%
0 / 4
0.00% covered (danger)
0.00%
0 / 1
20
 get_backup_capabilities
76.92% covered (warning)
76.92%
10 / 13
0.00% covered (danger)
0.00%
0 / 1
2.05
 get_recent_restores
76.92% covered (warning)
76.92%
10 / 13
0.00% covered (danger)
0.00%
0 / 1
2.05
 list_backup_events
100.00% covered (success)
100.00%
24 / 24
100.00% covered (success)
100.00%
1 / 1
2
 get_backup_promoted_product_info
0.00% covered (danger)
0.00%
0 / 14
0.00% covered (danger)
0.00%
0 / 1
6
 jetpack_check_user_licenses
0.00% covered (danger)
0.00%
0 / 8
0.00% covered (danger)
0.00%
0 / 1
42
 get_site_current_purchases
0.00% covered (danger)
0.00%
0 / 9
0.00% covered (danger)
0.00%
0 / 1
30
 manage_dismissed_backup_review_request
0.00% covered (danger)
0.00%
0 / 5
0.00% covered (danger)
0.00%
0 / 1
6
 get_site_backup_size
0.00% covered (danger)
0.00%
0 / 13
0.00% covered (danger)
0.00%
0 / 1
6
 get_site_backup_policies
0.00% covered (danger)
0.00%
0 / 13
0.00% covered (danger)
0.00%
0 / 1
6
 get_storage_addon_upsell_slug
100.00% covered (success)
100.00%
22 / 22
100.00% covered (success)
100.00%
1 / 1
6
 get_site_backup_addon_offer
0.00% covered (danger)
0.00%
0 / 16
0.00% covered (danger)
0.00%
0 / 1
2
 enqueue_backup
0.00% covered (danger)
0.00%
0 / 16
0.00% covered (danger)
0.00%
0 / 1
6
 get_site_backup_schedule_time
0.00% covered (danger)
0.00%
0 / 13
0.00% covered (danger)
0.00%
0 / 1
6
 plugin_deactivation
0.00% covered (danger)
0.00%
0 / 2
0.00% covered (danger)
0.00%
0 / 1
2
 maybe_load_wp_build
0.00% covered (danger)
0.00%
0 / 4
0.00% covered (danger)
0.00%
0 / 1
12
 load_wp_build
0.00% covered (danger)
0.00%
0 / 11
0.00% covered (danger)
0.00%
0 / 1
6
 alias_screen_id_for_wp_build
0.00% covered (danger)
0.00%
0 / 3
0.00% covered (danger)
0.00%
0 / 1
6
 is_modernized
0.00% covered (danger)
0.00%
0 / 1
0.00% covered (danger)
0.00%
0 / 1
2
 is_backup_admin_request
0.00% covered (danger)
0.00%
0 / 3
0.00% covered (danger)
0.00%
0 / 1
12
1<?php
2/**
3 * Primary class file for the Jetpack Backup plugin.
4 *
5 * @package automattic/jetpack-backup-plugin
6 */
7
8// After changing this file, consider increasing the version number ("VXXX") in all the files using this namespace, in
9// order to ensure that the specific version of this file always get loaded. Otherwise, Jetpack autoloader might decide
10// to load an older/newer version of the class (if, for example, both the standalone and bundled versions of the plugin
11// are installed, or in some other cases).
12namespace Automattic\Jetpack\Backup\V0005;
13
14if ( ! defined( 'ABSPATH' ) ) {
15    exit( 0 );
16}
17
18use Automattic\Jetpack\Admin_UI\Admin_Menu;
19use Automattic\Jetpack\Assets;
20use Automattic\Jetpack\Backup\V0005\Initial_State as Backup_Initial_State;
21use Automattic\Jetpack\Config;
22use Automattic\Jetpack\Connection\Client;
23use Automattic\Jetpack\Connection\Initial_State as Connection_Initial_State;
24use Automattic\Jetpack\Connection\Manager as Connection_Manager;
25use Automattic\Jetpack\Connection\Rest_Authentication as Connection_Rest_Authentication;
26use Automattic\Jetpack\My_Jetpack\Wpcom_Products;
27use Automattic\Jetpack\Status;
28use Automattic\Jetpack\Terms_Of_Service;
29use Automattic\Jetpack\Tracking;
30use Jetpack_Options;
31use WP_Error;
32use WP_REST_Server;
33use function add_action;
34use function add_filter;
35use function did_action;
36use function do_action;
37use function esc_url_raw;
38use function get_option;
39use function is_wp_error;
40use function rest_ensure_response;
41use function update_option;
42use function wp_add_inline_script;
43use function wp_remote_get;
44use function wp_remote_retrieve_body;
45use function wp_remote_retrieve_response_code;
46
47/**
48 * Class Jetpack_Backup
49 */
50class Jetpack_Backup {
51
52    /**
53     * Slug.
54     *
55     * @var string
56     */
57    const JETPACK_BACKUP_SLUG = 'jetpack-backup';
58
59    /**
60     * Backup name.
61     *
62     * @var string
63     */
64    const JETPACK_BACKUP_NAME = 'Jetpack Backup';
65
66    /**
67     * Backup URL.
68     *
69     * @var string
70     */
71    const JETPACK_BACKUP_URI = 'https://jetpack.com/jetpack-backup';
72
73    /**
74     * Promoted product.
75     *
76     * @var string
77     */
78    const JETPACK_BACKUP_PROMOTED_PRODUCT = 'jetpack_backup_t1_yearly';
79
80    /**
81     * Licenses product ID.
82     *
83     * @var string
84     */
85    const JETPACK_BACKUP_PRODUCT_IDS = array(
86        2014, // JETPACK_COMPLETE.
87        2015, // JETPACK_COMPLETE_MONTHLY.
88        2016, // JETPACK_SECURITY_TIER_1_YEARLY.
89        2017, // JETPACK_SECURITY_TIER_1_MONTHLY.
90        2019, // JETPACK_SECURITY_TIER_2_YEARLY.
91        2020, // JETPACK_SECURITY_TIER_2_MONTHLY.
92        2112, // JETPACK_BACKUP_TIER_1_YEARLY.
93        2113, // JETPACK_BACKUP_TIER_1_MONTHLY.
94        2114, // JETPACK_BACKUP_TIER_2_YEARLY.
95        2115, // JETPACK_BACKUP_TIER_2_MONTHLY.
96    );
97
98    /**
99     * Jetpack Backup DB version.
100     *
101     * @var string
102     */
103    const JETPACK_BACKUP_DB_VERSION = '2';
104
105    /**
106     * Filter name that gates the wp-build–based dashboard.
107     *
108     * When this filter returns true, "Jetpack > Backup" renders the new
109     * wp-build dashboard instead of the legacy React app.
110     */
111    const MODERNIZATION_FILTER = 'rsm_jetpack_ui_modernization_backup';
112
113    /**
114     * Constructor.
115     */
116    public static function initialize() {
117        if ( did_action( 'jetpack_backup_initialized' ) ) {
118            return;
119        }
120
121        // Set up the REST authentication hooks.
122        Connection_Rest_Authentication::init();
123
124        add_action( 'rest_api_init', array( __CLASS__, 'register_rest_routes' ) );
125
126        add_action( 'admin_menu', array( __CLASS__, 'maybe_load_wp_build' ), 1 );
127        add_action( 'admin_menu', array( __CLASS__, 'add_wp_admin_submenu' ), 1 ); // Akismet uses 4, so we need to use 1 to ensure both menus are added when only they exist.
128
129        // Init Jetpack packages.
130        add_action(
131            'plugins_loaded',
132            function () {
133                $config = new Config();
134                // Connection package.
135                $config->ensure(
136                    'connection',
137                    array(
138                        'slug'     => self::JETPACK_BACKUP_SLUG,
139                        'name'     => self::JETPACK_BACKUP_NAME,
140                        'url_info' => self::JETPACK_BACKUP_URI,
141                    )
142                );
143                // Sync package.
144                $config->ensure( 'sync' );
145
146                // Identity crisis package.
147                $config->ensure( 'identity_crisis' );
148            },
149            1
150        );
151
152        add_action( 'plugins_loaded', array( __CLASS__, 'maybe_upgrade_db' ), 20 );
153
154        add_filter( 'jetpack_connection_user_has_license', array( __CLASS__, 'jetpack_check_user_licenses' ), 10, 3 );
155
156        // Jetpack Backup abilities are registered from `actions.php` at package
157        // autoload time so the surface is available in every consumer that
158        // loads this package (both the standalone Backup plugin and the
159        // Jetpack plugin), not only when `Jetpack_Backup::initialize()` runs.
160
161        /**
162         * Runs right after the Jetpack Backup package is initialized.
163         *
164         * @since 1.3.0
165         */
166        do_action( 'jetpack_backup_initialized' );
167    }
168
169    /**
170     * The page to be added to submenu
171     */
172    public static function add_wp_admin_submenu() {
173        $is_modernized = self::is_modernized();
174        $callback      = $is_modernized && function_exists( 'jetpack_backup_jetpack_backup_dashboard_wp_admin_render_page' )
175            ? 'jetpack_backup_jetpack_backup_dashboard_wp_admin_render_page'
176            : array( __CLASS__, 'plugin_settings_page' );
177
178        // Gate the "VaultPress Backup" relabel behind the modernization
179        // filter so the flag-off path stays byte-identical to trunk.
180        $page_title = $is_modernized ? 'Jetpack VaultPress Backup' : 'Jetpack Backup';
181        $menu_title = $is_modernized ? 'VaultPress Backup' : 'Backup'; // Product name, do not translate.
182
183        $page_suffix = Admin_Menu::add_menu(
184            $page_title,
185            $menu_title,
186            'manage_options',
187            self::JETPACK_BACKUP_SLUG,
188            $callback,
189            7
190        );
191
192        if ( $page_suffix ) {
193            add_action( 'load-' . $page_suffix, array( __CLASS__, 'admin_init' ) );
194        }
195    }
196
197    /**
198     * Initialize the admin resources.
199     */
200    public static function admin_init() {
201        add_action( 'admin_enqueue_scripts', array( __CLASS__, 'enqueue_admin_scripts' ) );
202
203        if ( self::is_modernized() ) {
204            // The modernized Backup overview is a focused, full-screen product
205            // surface. Suppress JITMs and other core/plugin admin notices so they
206            // don't reflow on top of the dual-pane layout. Mirrors how Jetpack
207            // Forms handles its dashboard page
208            // (`plugins/forms/src/dashboard/class-dashboard.php`).
209            remove_all_actions( 'admin_notices' );
210            remove_all_actions( 'all_admin_notices' );
211        }
212    }
213
214    /**
215     * Checks current version against version in code and run upgrades if we are running a new version
216     */
217    public static function maybe_upgrade_db() {
218        $current_db_version = get_option( 'jetpack_backup_db_version' );
219        if ( version_compare( $current_db_version, self::JETPACK_BACKUP_DB_VERSION, '<' ) ) {
220            update_option( 'jetpack_backup_db_version', self::JETPACK_BACKUP_DB_VERSION );
221            Jetpack_Backup_Upgrades::upgrade();
222        }
223    }
224
225    /**
226     * Returns whether we are in condition to track to use
227     * Analytics functionality like Tracks, MC, or GA.
228     */
229    public static function can_use_analytics() {
230        $status     = new Status();
231        $connection = new Connection_Manager( 'jetpack-backup' );
232        $tracking   = new Tracking( 'jetpack', $connection );
233
234        return $tracking->should_enable_tracking( new Terms_Of_Service(), $status );
235    }
236
237    /**
238     * Enqueue plugin admin scripts and styles.
239     */
240    public static function enqueue_admin_scripts() {
241        // This callback is registered via `load-{$page_suffix}` in `add_wp_admin_submenu()`,
242        // so it only fires on the Backup admin page â€” no need to re-check the page here.
243        if ( self::is_modernized() ) {
244            // wp-build manages its own enqueue pipeline. The legacy script,
245            // initial state, and tracking are intentionally skipped for the
246            // wp-build dashboard.
247            return;
248        }
249
250        Assets::register_script(
251            'jetpack-backup',
252            '../build/index.js',
253            __FILE__,
254            array(
255                'in_footer'  => true,
256                'textdomain' => 'jetpack-backup-pkg',
257            )
258        );
259        Assets::enqueue_script( 'jetpack-backup' );
260        // Initial JS state including JP Connection data.
261        wp_add_inline_script( 'jetpack-backup', self::get_initial_state(), 'before' );
262        Connection_Initial_State::render_script( 'jetpack-backup' );
263
264        // Load script for analytics.
265        if ( self::can_use_analytics() ) {
266            Tracking::register_tracks_functions_scripts( true );
267        }
268    }
269
270    /**
271     * Main plugin settings page.
272     */
273    public static function plugin_settings_page() {
274        ?>
275            <div id="jetpack-backup-root"></div>
276        <?php
277    }
278
279    /**
280     * Return the rendered initial state JavaScript code.
281     *
282     * @return string
283     */
284    private static function get_initial_state() {
285        return ( new Backup_Initial_State() )->render();
286    }
287
288    /**
289     * Register REST API
290     */
291    public static function register_rest_routes() {
292
293        // Get information on most recent 10 backups.
294        register_rest_route(
295            'jetpack/v4',
296            '/backups',
297            array(
298                'methods'             => WP_REST_Server::READABLE,
299                'callback'            => __CLASS__ . '::get_recent_backups',
300                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
301            )
302        );
303
304        // Get site backup/scan/anti-spam capabilities.
305        register_rest_route(
306            'jetpack/v4',
307            '/backup-capabilities',
308            array(
309                'methods'             => WP_REST_Server::READABLE,
310                'callback'            => __CLASS__ . '::get_backup_capabilities',
311                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
312            )
313        );
314
315        // Get whether the site has a backup plan
316        register_rest_route(
317            'jetpack/v4',
318            '/has-backup-plan',
319            array(
320                'methods'             => WP_REST_Server::READABLE,
321                'callback'            => __CLASS__ . '::has_backup_plan',
322                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
323            )
324        );
325
326        // Get site rewind data.
327        register_rest_route(
328            'jetpack/v4',
329            '/restores',
330            array(
331                'methods'             => WP_REST_Server::READABLE,
332                'callback'            => __CLASS__ . '::get_recent_restores',
333                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
334            )
335        );
336
337        // Get information on site products.
338        // Backup plugin version of /site/purchases from JP plugin.
339        // Revert once this route and MyPlan component are extracted to a common package.
340        register_rest_route(
341            'jetpack/v4',
342            '/site/current-purchases',
343            array(
344                'methods'             => WP_REST_Server::READABLE,
345                'callback'            => __CLASS__ . '::get_site_current_purchases',
346                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
347            )
348        );
349
350        // Get currently promoted product from the product's endpoint.
351            register_rest_route(
352                'jetpack/v4',
353                '/backup-promoted-product-info',
354                array(
355                    'methods'             => WP_REST_Server::READABLE,
356                    'callback'            => __CLASS__ . '::get_backup_promoted_product_info',
357                    'permission_callback' => __CLASS__ . '::backups_permissions_callback',
358                )
359            );
360
361        // Get and set value of dismissed_backup_review_request option
362        register_rest_route(
363            'jetpack/v4',
364            '/site/dismissed-review-request',
365            array(
366                'methods'             => WP_REST_Server::EDITABLE,
367                'callback'            => __CLASS__ . '::manage_dismissed_backup_review_request',
368                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
369                'args'                => array(
370                    'option_name'    => array(
371                        'required' => true,
372                        'type'     => 'string',
373                    ),
374                    'should_dismiss' => array(
375                        'required' => true,
376                        'type'     => 'boolean',
377                    ),
378                ),
379            )
380        );
381
382        // Get site size
383        register_rest_route(
384            'jetpack/v4',
385            '/site/backup/size',
386            array(
387                'methods'             => WP_REST_Server::READABLE,
388                'callback'            => __CLASS__ . '::get_site_backup_size',
389                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
390            )
391        );
392
393        // Get backup schedule time
394        register_rest_route(
395            'jetpack/v4',
396            '/site/backup/schedule',
397            array(
398                'methods'             => WP_REST_Server::READABLE,
399                'callback'            => __CLASS__ . '::get_site_backup_schedule_time',
400                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
401            )
402        );
403
404        // Get site policies
405        register_rest_route(
406            'jetpack/v4',
407            '/site/backup/policies',
408            array(
409                'methods'             => WP_REST_Server::READABLE,
410                'callback'            => __CLASS__ . '::get_site_backup_policies',
411                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
412            )
413        );
414
415        // Get site add-on offer
416        register_rest_route(
417            'jetpack/v4',
418            '/site/backup/addon-offer',
419            array(
420                'methods'             => WP_REST_Server::READABLE,
421                'callback'            => __CLASS__ . '::get_site_backup_addon_offer',
422                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
423                'args'                => array(
424                    'storage_size'  => array(
425                        'required' => true,
426                        'type'     => 'numeric',
427                    ),
428                    'storage_limit' => array(
429                        'required' => true,
430                        'type'     => 'numeric',
431                    ),
432                ),
433            )
434        );
435
436        // Enqueue a new backup
437        register_rest_route(
438            'jetpack/v4',
439            '/site/backup/enqueue',
440            array(
441                'methods'             => WP_REST_Server::CREATABLE,
442                'callback'            => __CLASS__ . '::enqueue_backup',
443                'permission_callback' => __CLASS__ . '::backups_permissions_callback',
444            )
445        );
446    }
447
448    /**
449     * The backup calls should only occur from a signed in admin user
450     *
451     * @access public
452     * @static
453     *
454     * @return true|WP_Error
455     */
456    public static function backups_permissions_callback() {
457        return current_user_can( 'manage_options' );
458    }
459
460    /**
461     * Get information about recent backups
462     *
463     * @access public
464     * @static
465     *
466     * @return array An array of recent backups
467     */
468    public static function get_recent_backups() {
469        $blog_id = Jetpack_Options::get_option( 'id' );
470
471        $response = Client::wpcom_json_api_request_as_blog(
472            '/sites/' . $blog_id . '/rewind/backups',
473            'v2',
474            array(),
475            null,
476            'wpcom'
477        );
478
479        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
480            return null;
481        }
482
483        return rest_ensure_response(
484            json_decode( $response['body'], true )
485        );
486    }
487
488    /**
489     * Hits the wpcom api to check rewind status.
490     *
491     * @return Object|WP_Error
492     */
493    private static function get_rewind_state_from_wpcom() {
494        static $status = null;
495
496        if ( $status !== null ) {
497            return $status;
498        }
499
500        $site_id = Jetpack_Options::get_option( 'id' );
501
502        $response = Client::wpcom_json_api_request_as_blog( sprintf( '/sites/%d/rewind', $site_id ) . '?force=wpcom', '2', array( 'timeout' => 2 ), null, 'wpcom' );
503
504        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
505            return new WP_Error( 'rewind_state_fetch_failed' );
506        }
507
508        $body   = wp_remote_retrieve_body( $response );
509        $status = json_decode( $body );
510        return $status;
511    }
512
513    /**
514     * Checks whether the current plan (or purchases) of the site already supports the product
515     *
516     * @return boolean
517     */
518    public static function has_backup_plan() {
519        $rewind_data = static::get_rewind_state_from_wpcom();
520        if ( is_wp_error( $rewind_data ) ) {
521            return false;
522        }
523        return is_object( $rewind_data ) && isset( $rewind_data->state ) && 'unavailable' !== $rewind_data->state;
524    }
525
526    /**
527     * Get an array of backup/scan/anti-spam site capabilities
528     *
529     * @access public
530     * @static
531     *
532     * @return array An array of capabilities
533     */
534    public static function get_backup_capabilities() {
535        $blog_id = Jetpack_Options::get_option( 'id' );
536
537        $response = Client::wpcom_json_api_request_as_user(
538            '/sites/' . $blog_id . '/rewind/capabilities',
539            'v2',
540            array(),
541            null,
542            'wpcom'
543        );
544
545        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
546            return null;
547        }
548
549        return rest_ensure_response(
550            json_decode( $response['body'], true )
551        );
552    }
553
554    /**
555     * Get information about recent restores
556     *
557     * @access public
558     * @static
559     *
560     * @return array An array of recent restores
561     */
562    public static function get_recent_restores() {
563        $blog_id  = Jetpack_Options::get_option( 'id' );
564        $response = Client::wpcom_json_api_request_as_blog(
565            '/sites/' . $blog_id . '/rewind/restores',
566            'v2',
567            array(),
568            null,
569            'wpcom'
570        );
571
572        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
573            return null;
574        }
575
576        return rest_ensure_response(
577            json_decode( $response['body'], true )
578        );
579    }
580
581    /**
582     * Query backup-completion events from the wpcom activity-log via the
583     * general `/sites/<id>/activity` endpoint with the action filter pinned
584     * to backup-completion event names. This endpoint paginates real-ly
585     * (Elasticsearch `from` offset under the hood) â€” the `/activity/rewindable`
586     * sibling looks like a more natural fit but hardcodes `page: 1,
587     * totalPages: 1` and ignores the `page` parameter.
588     *
589     * Auth: signs as user. The endpoint gates on the requesting WP user
590     * being an administrator of the blog (see
591     * sites-activity.php::readable_permission_check); blog-level tokens
592     * return 401.
593     *
594     * Returned shape (success): a W3C ActivityStreams envelope:
595     *   {
596     *     "@context": ..., "type": "OrderedCollection", "totalItems": int,
597     *     "page": int, "totalPages": int, "itemsPerPage": int,
598     *     "orderedItems": [ <event>, ... ]
599     *   }
600     * Each event has at least `published`, `rewind_id`, `is_rewindable`,
601     * `name`, `status`, `summary`.
602     *
603     * @param array $args Query args passed through to wpcom. Supported keys:
604     *                    `after` (ISO 8601), `before` (ISO 8601), `on` (ISO 8601),
605     *                    `date_range`, `number` (max 1000), `page` (1-based),
606     *                    `sort_order` ('asc'|'desc'). Any `action` key is
607     *                    overridden with the curated backup-completion list.
608     * @return array|\WP_REST_Response|null
609     */
610    public static function list_backup_events( array $args = array() ) {
611        $blog_id = Jetpack_Options::get_option( 'id' );
612
613        // Curated set of activity actions that represent "a backup completed".
614        // Mirrors `WPCOM_REST_API_V2_Endpoint_Site_Activity::$backup_action_names`.
615        // Pinned here (and overriding any caller-supplied `action`) so the
616        // helper is always scoped to backups regardless of what the caller passes.
617        $args['action'] = array(
618            'backup_complete_full',
619            'backup_complete_initial',
620            'backup_only_complete_full',
621            'backup_only_complete_initial',
622            'rewind__backup_complete_full',
623            'rewind__backup_complete_initial',
624            'rewind__backup_only_complete_full',
625            'rewind__backup_only_complete_initial',
626        );
627
628        $path = '/sites/' . (int) $blog_id . '/activity?' . http_build_query( $args );
629
630        $response = Client::wpcom_json_api_request_as_user(
631            $path,
632            'v2',
633            array(),
634            null,
635            'wpcom'
636        );
637
638        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
639            return null;
640        }
641
642        return rest_ensure_response(
643            json_decode( $response['body'], true )
644        );
645    }
646
647    /**
648     * Gets information about the currently promoted backup product.
649     *
650     * @return string|WP_Error A JSON object of the current backup product being promoted if the request was successful, or a WP_Error otherwise.
651     */
652    public static function get_backup_promoted_product_info() {
653        $request_url   = 'https://public-api.wordpress.com/rest/v1.1/products?locale=' . get_user_locale() . '&type=jetpack';
654        $wpcom_request = wp_remote_get( esc_url_raw( $request_url ) );
655        $response_code = wp_remote_retrieve_response_code( $wpcom_request );
656        if ( 200 === $response_code ) {
657            $products = json_decode( wp_remote_retrieve_body( $wpcom_request ) );
658            return $products->{self::JETPACK_BACKUP_PROMOTED_PRODUCT};
659        } else {
660            // Something went wrong so we'll just return the response without caching.
661            return new WP_Error(
662                'failed_to_fetch_data',
663                esc_html__( 'Unable to fetch the requested data.', 'jetpack-backup-pkg' ),
664                array(
665                    'status'  => $response_code,
666                    'request' => $wpcom_request,
667                )
668            );
669        }
670    }
671
672    /**
673     * Check for user licenses.
674     *
675     * @param boolean $has_license If the user already has a license found.
676     * @param array   $licenses List of unattached licenses belonging to the user.
677     * @param string  $plugin_slug The plugin that initiated the flow.
678     *
679     * @return boolean
680     */
681    public static function jetpack_check_user_licenses( $has_license, $licenses, $plugin_slug ) {
682        if ( $plugin_slug !== static::JETPACK_BACKUP_SLUG || $has_license ) {
683            return $has_license;
684        }
685
686        $license_found = false;
687
688        foreach ( $licenses as $license ) {
689            if ( in_array( $license->product_id, static::JETPACK_BACKUP_PRODUCT_IDS, true ) ) {
690                $license_found = true;
691                break;
692            }
693        }
694
695        // Checking for existing backup plan is costly, so only check if there's an appropriate license.
696        return $license_found && ! static::has_backup_plan();
697    }
698
699    /**
700     * Returns the result of `/upgrades` endpoint call.
701     *
702     * @return array of site purchases.
703     */
704    public static function get_site_current_purchases() {
705
706        $request  = sprintf( '/upgrades?site=%d', Jetpack_Options::get_option( 'id' ) );
707        $response = Client::wpcom_json_api_request_as_blog( $request, '1.2' );
708
709        // Bail if there was an error or malformed response.
710        if ( is_wp_error( $response ) || ! is_array( $response ) || ! isset( $response['body'] ) ) {
711            return self::get_failed_fetch_error();
712        }
713
714        if ( 200 !== (int) wp_remote_retrieve_response_code( $response ) ) {
715            return self::get_failed_fetch_error();
716        }
717
718        return rest_ensure_response(
719            json_decode( $response['body'], true )
720        );
721    }
722
723    /**
724     * Set value of the dismissed_backup_review_request Jetack option.
725     * Get value if should_dismiss is false
726     *
727     * @access public
728     * @static
729     * @param array $request arguments should_dismiss and option_name.
730     * @return bool value of option if value is requested | updated or not if value is updated.
731     */
732    public static function manage_dismissed_backup_review_request( $request ) {
733
734        if ( ! $request['should_dismiss'] ) {
735
736            return rest_ensure_response(
737                Jetpack_Options::get_option( 'dismissed_backup_review_' . $request['option_name'] )
738            );
739        }
740
741        return Jetpack_Options::update_option( 'dismissed_backup_review_' . $request['option_name'], true );
742    }
743
744    /**
745     * Get site storage size
746     *
747     * @return string|WP_Error A JSON object with the site storage size if the request was successful, or a WP_Error otherwise.
748     */
749    public static function get_site_backup_size() {
750        $blog_id = Jetpack_Options::get_option( 'id' );
751
752        $response = Client::wpcom_json_api_request_as_user(
753            '/sites/' . $blog_id . '/rewind/size?force=wpcom',
754            'v2',
755            array(),
756            null,
757            'wpcom'
758        );
759
760        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
761            return null;
762        }
763
764        return rest_ensure_response(
765            json_decode( $response['body'], true )
766        );
767    }
768
769    /**
770     * Get site policies from WPCOM. It includes the storage limit and activity log limit, if apply.
771     *
772     * @return string|WP_Error A JSON object with the site storage policies if the request was successful,
773     *                         or a WP_Error otherwise.
774     */
775    public static function get_site_backup_policies() {
776        $blog_id = Jetpack_Options::get_option( 'id' );
777
778        $response = Client::wpcom_json_api_request_as_user(
779            '/sites/' . $blog_id . '/rewind/policies?force=wpcom',
780            'v2',
781            array(),
782            null,
783            'wpcom'
784        );
785
786        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
787            return null;
788        }
789
790        return rest_ensure_response(
791            json_decode( $response['body'], true )
792        );
793    }
794
795    /**
796     * Get suggested storage addon based on storage usage
797     *
798     * @param int $bytes_used      Storage used.
799     * @param int $bytes_available Storage limit.
800     * @return string Suggested addon storage slug
801     */
802    public static function get_storage_addon_upsell_slug( $bytes_used, $bytes_available ) {
803        $bytes_10gb  = 10 * 1024 * 1024 * 1024; // 10GB in bytes
804        $bytes_100gb = 100 * 1024 * 1024 * 1024; // 100GB in bytes
805        $bytes_1tb   = 1024 * 1024 * 1024 * 1024; // 1TB in bytes
806
807        $upsell_products = array(
808            $bytes_10gb  => 'jetpack_backup_addon_storage_10gb_monthly',
809            $bytes_100gb => 'jetpack_backup_addon_storage_100gb_monthly',
810            $bytes_1tb   => 'jetpack_backup_addon_storage_1tb_monthly',
811        );
812
813        // If usage has crossed over the storage limit, then dynamically calculate the upgrade option
814        if ( $bytes_used > $bytes_available ) {
815            $additional_bytes_used = $bytes_used - $bytes_available;
816
817            // Add aditional 25% buffer
818            $additional_bytes_needed = $additional_bytes_used + $additional_bytes_used * 0.25;
819
820            // Since 1TB is our max upgrade but the additional storage needed is greater than 1TB, then just return 1TB
821            if ( $additional_bytes_needed > $bytes_1tb ) {
822                return $upsell_products[ $bytes_1tb ];
823            }
824
825            $matched_bytes = $bytes_10gb;
826            foreach ( $upsell_products as $bytes => $product ) {
827                if ( $bytes > $additional_bytes_needed ) {
828                    $matched_bytes = $bytes;
829                    break;
830                }
831            }
832
833            return $upsell_products[ $matched_bytes ];
834        }
835
836        // For 1 TB we are going to offer 1 TB by default
837        if ( $bytes_1tb === $bytes_available ) {
838            return $upsell_products[ $bytes_1tb ];
839        }
840
841        // Otherwise, we are going to offer 10 GB
842        return $upsell_products[ $bytes_10gb ];
843    }
844
845    /**
846     * Get the best addon offer for this site, including pricing details
847     *
848     * @param \WP_REST_Request $request Object including storage usage.
849     *
850     * @return string|WP_Error A JSON object with the suggested storage addon details if the request was successful,
851     *                         or a WP_Error otherwise.
852     */
853    public static function get_site_backup_addon_offer( $request ) {
854        $suggested_addon = self::get_storage_addon_upsell_slug(
855            $request['storage_size'],
856            $request['storage_limit']
857        );
858
859        $addons_size_text_map = array(
860            'jetpack_backup_addon_storage_10gb_monthly'  => '10GB',
861            'jetpack_backup_addon_storage_100gb_monthly' => '100GB',
862            'jetpack_backup_addon_storage_1tb_monthly'   => '1TB',
863        );
864
865        // Fetch addon storage price information
866        $pricing_info = Wpcom_Products::get_product_pricing( $suggested_addon );
867
868        // Response
869        $response = array(
870            'slug'      => $suggested_addon,
871            'size_text' => $addons_size_text_map[ $suggested_addon ],
872            'pricing'   => $pricing_info,
873        );
874
875        return rest_ensure_response( $response );
876    }
877
878    /**
879     * Enqueue a new backup on demand
880     *
881     * @return string|WP_Error A JSON object with `success` if the request was successful,
882     * or a WP_Error otherwise.
883     */
884    public static function enqueue_backup() {
885        $blog_id  = Jetpack_Options::get_option( 'id' );
886        $endpoint = sprintf( '/sites/%d/rewind/backups/enqueue', $blog_id );
887
888        $response = Client::wpcom_json_api_request_as_user(
889            $endpoint,
890            'v2',
891            array(
892                'method' => 'POST',
893            ),
894            null,
895            'wpcom'
896        );
897
898        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
899            return null;
900        }
901
902        return rest_ensure_response(
903            json_decode( $response['body'], true )
904        );
905    }
906
907    /**
908     * Get site backup schedule time
909     *
910     * @return string|WP_Error A JSON object with the backup schedule time if the request was successful, or a WP_Error otherwise.
911     */
912    public static function get_site_backup_schedule_time() {
913        $blog_id = Jetpack_Options::get_option( 'id' );
914
915        $response = Client::wpcom_json_api_request_as_user(
916            '/sites/' . $blog_id . '/rewind/scheduled',
917            'v2',
918            array(),
919            null,
920            'wpcom'
921        );
922
923        if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
924            return null;
925        }
926
927        return rest_ensure_response(
928            json_decode( $response['body'], true )
929        );
930    }
931
932    /**
933     * Removes plugin from the connection manager
934     * If it's the last plugin using the connection, the site will be disconnected.
935     *
936     * @access public
937     * @static
938     */
939    public static function plugin_deactivation() {
940        $manager = new Connection_Manager( 'jetpack-backup' );
941        $manager->remove_connection();
942    }
943
944    /**
945     * Load wp-build when modernization is enabled on the Backup admin page.
946     *
947     * @return void
948     */
949    public static function maybe_load_wp_build() {
950        if ( ! self::is_modernized() || ! self::is_backup_admin_request() ) {
951            return;
952        }
953
954        self::load_wp_build();
955        add_action( 'current_screen', array( __CLASS__, 'alias_screen_id_for_wp_build' ) );
956    }
957
958    /**
959     * Load the wp-build entry file and register its polyfills.
960     *
961     * Only called on `?page=jetpack-backup` admin requests when the
962     * modernization filter is enabled. Keeps wp-build off every other request.
963     *
964     * @return void
965     */
966    private static function load_wp_build() {
967        $build_index = dirname( __DIR__ ) . '/build/build.php';
968
969        if ( ! file_exists( $build_index ) ) {
970            return;
971        }
972
973        require_once $build_index;
974
975        \Automattic\Jetpack\WP_Build_Polyfills\WP_Build_Polyfills::register(
976            'jetpack-backup',
977            array_merge(
978                \Automattic\Jetpack\WP_Build_Polyfills\WP_Build_Polyfills::SCRIPT_HANDLES,
979                \Automattic\Jetpack\WP_Build_Polyfills\WP_Build_Polyfills::MODULE_IDS
980            )
981        );
982    }
983
984    /**
985     * Alias the current screen ID to satisfy wp-build's auto-generated enqueue check.
986     *
987     * Wp-build's `<page>-wp-admin` enqueue callback enqueues only when the screen ID
988     * matches the wp-build page slug (`jetpack-backup-dashboard`). Our WP-admin
989     * menu slug stays `jetpack-backup`, so we mutate the screen object in place
990     * to make the check pass without changing the user-facing URL.
991     *
992     * Hooked only when modernization is on AND we're on the Backup admin page,
993     * so this never affects any other request.
994     *
995     * @param \WP_Screen|null $screen The current screen object (passed by WP).
996     * @return void
997     */
998    public static function alias_screen_id_for_wp_build( $screen ) {
999        if ( ! is_object( $screen ) ) {
1000            return;
1001        }
1002
1003        $screen->id = 'jetpack-backup-dashboard';
1004    }
1005
1006    /**
1007     * Returns true when the wp-build modernization filter is enabled.
1008     *
1009     * @return bool
1010     */
1011    private static function is_modernized() {
1012        return (bool) apply_filters( self::MODERNIZATION_FILTER, false );
1013    }
1014
1015    /**
1016     * Returns true when the current request targets the Backup admin page.
1017     *
1018     * Used to scope wp-build loading to the one page that needs it. The
1019     * `$_GET['page']` value is populated by wp-admin/admin.php before any of
1020     * our hooks fire, so this check is reliable from `initialize()` onwards.
1021     *
1022     * @return bool
1023     */
1024    private static function is_backup_admin_request() {
1025        if ( ! is_admin() || ! isset( $_GET['page'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1026            return false;
1027        }
1028
1029        return sanitize_text_field( wp_unslash( $_GET['page'] ) ) === self::JETPACK_BACKUP_SLUG; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
1030    }
1031}