Code Coverage
 
Lines
Functions and Methods
Classes and Traits
Total
50.34%
74 / 147
18.75%
3 / 16
 CRAP
0.00%
0 / 1
JITM
50.34%
73 / 145
18.75%
3 / 16
 342.96
0.00%
0 / 1
 configure
84.21%
16 / 19
0.00%
0 / 1
 3.04
 get_instance
0.00%
0 / 4
0.00%
0 / 1
 6
 get_configured_instance
0.00%
0 / 3
0.00%
0 / 1
 6
 register
0.00%
0 / 8
0.00%
0 / 1
 12
 jitms_enabled
100.00%
1 / 1
100.00%
1 / 1
 1
 are_jitms_enabled
80.00%
4 / 5
0.00%
0 / 1
 3.07
 prepare_jitms
100.00%
4 / 4
100.00%
1 / 1
 2
 is_a8c_admin_page
85.71%
12 / 14
0.00%
0 / 1
 6.10
 jitm_enqueue_files
95.83%
23 / 24
0.00%
0 / 1
 2
 is_gutenberg_page
n/a
0 / 0
n/a
0 / 0
 2
 get_message_path
0.00%
0 / 2
0.00%
0 / 1
 2
 ajax_message
0.00%
0 / 13
0.00%
0 / 1
 20
 generate_icon
42.11%
8 / 19
0.00%
0 / 1
 12.99
 get_supported_icons
100.00%
5 / 5
100.00%
1 / 1
 1
 save_dismiss
0.00%
0 / 13
0.00%
0 / 1
 20
 jetpack_track_last_sync_callback
0.00%
0 / 7
0.00%
0 / 1
 30
 is_connected
0.00%
0 / 4
0.00%
0 / 1
 6
1<?php
2/**
3 * Jetpack's JITM class.
4 *
5 * @package automattic/jetpack-jitm
6 */
7
8namespace Automattic\Jetpack\JITMS;
9
10use Automattic\Jetpack\Assets;
11use Automattic\Jetpack\Assets\Logo as Jetpack_Logo;
12use Automattic\Jetpack\Connection\Manager as Connection_Manager;
13use Automattic\Jetpack\Status;
14use Automattic\Jetpack\Status\Host;
15
16if ( ! defined( 'ABSPATH' ) ) {
17    exit( 0 );
18}
19
20/**
21 * Jetpack just in time messaging through out the admin
22 *
23 * @since 1.1.0
24 * @since-jetpack 5.6.0
25 */
26class JITM {
27
28    const PACKAGE_VERSION = '4.3.44';
29
30    /**
31     * List of screen IDs where JITMs are allowed to display.
32     *
33     * @var string[]
34     */
35    const APPROVED_SCREEN_IDS = array(
36        'jetpack',
37        'woo',
38        'shop',
39        'product',
40    );
41
42    /**
43     * The lazily-resolved JITM instance used by the hooks registered in configure().
44     *
45     * @var Post_Connection_JITM|Pre_Connection_JITM|null
46     */
47    private static $configured_instance;
48
49    /**
50     * The configuration method that is called from the jetpack-config package.
51     *
52     * Registers the JITM hooks directly (rather than building a JITM instance up
53     * front) and binds the instance-dependent callbacks to a lazily-resolved
54     * instance, so the connection-specific JITM subclass and its dependencies are
55     * only loaded when one of these hooks actually fires instead of on every
56     * request. JITMs only render on admin screens and via the REST API.
57     */
58    public static function configure() {
59        if ( did_action( 'jetpack_registered_jitms' ) ) {
60            // JITMs have already been registered.
61            return;
62        }
63
64        if ( ! self::are_jitms_enabled() ) {
65            // Do nothing.
66            return;
67        }
68
69        add_action( 'rest_api_init', array( __NAMESPACE__ . '\\Rest_Api_Endpoints', 'register_endpoints' ) );
70
71        add_action(
72            'current_screen',
73            static function ( $screen ) {
74                self::get_configured_instance()->prepare_jitms( $screen );
75            }
76        );
77
78        /**
79         * These are sync actions that we need to keep track of for jitms.
80         */
81        add_filter(
82            'jetpack_sync_before_send_updated_option',
83            static function ( $params ) {
84                return self::get_configured_instance()->jetpack_track_last_sync_callback( $params );
85            },
86            99
87        );
88
89        /** This action is documented in projects/packages/jitm/src/class-jitm.php */
90        do_action( 'jetpack_registered_jitms' );
91    }
92
93    /**
94     * Pre/Post Connection JITM factory metod
95     *
96     * @return Post_Connection_JITM|Pre_Connection_JITM JITM instance.
97     */
98    public static function get_instance() {
99        if ( self::is_connected() ) {
100            $jitm = new Post_Connection_JITM();
101        } else {
102            $jitm = new Pre_Connection_JITM();
103        }
104        return $jitm;
105    }
106
107    /**
108     * Lazily resolve and cache the connection-appropriate JITM instance used by
109     * the hooks registered in configure().
110     *
111     * @return Post_Connection_JITM|Pre_Connection_JITM JITM instance.
112     */
113    private static function get_configured_instance() {
114        if ( null === self::$configured_instance ) {
115            self::$configured_instance = self::get_instance();
116        }
117        return self::$configured_instance;
118    }
119
120    /**
121     * Sets up JITM action callbacks if needed.
122     */
123    public function register() {
124        if ( did_action( 'jetpack_registered_jitms' ) ) {
125            // JITMs have already been registered.
126            return;
127        }
128
129        if ( ! $this->jitms_enabled() ) {
130            // Do nothing.
131            return;
132        }
133
134        add_action( 'rest_api_init', array( __NAMESPACE__ . '\\Rest_Api_Endpoints', 'register_endpoints' ) );
135
136        add_action( 'current_screen', array( $this, 'prepare_jitms' ) );
137
138        /**
139         * These are sync actions that we need to keep track of for jitms.
140         */
141        add_filter( 'jetpack_sync_before_send_updated_option', array( $this, 'jetpack_track_last_sync_callback' ), 99 );
142
143        /**
144         * Fires when the JITMs are registered. This action is used to ensure that
145         * JITMs are registered only once.
146         *
147         * @since 1.16.0
148         */
149        do_action( 'jetpack_registered_jitms' );
150    }
151
152    /**
153     * Checks the jetpack_just_in_time_msgs filters and whether the site
154     * is offline to determine whether JITMs are enabled.
155     *
156     * @return bool True if JITMs are enabled, else false.
157     */
158    public function jitms_enabled() {
159        return self::are_jitms_enabled();
160    }
161
162    /**
163     * Static variant of jitms_enabled() so the enabled state can be checked
164     * without building a JITM instance (used by configure()).
165     *
166     * @return bool True if JITMs are enabled, else false.
167     */
168    private static function are_jitms_enabled() {
169        /**
170         * Filter to turn off all just in time messages
171         *
172         * @since 1.1.0
173         * @since-jetpack 3.7.0
174         * @since-jetpack 5.4.0 Correct docblock to reflect default arg value
175         *
176         * @param bool true Whether to show just in time messages.
177         */
178        if ( ! apply_filters( 'jetpack_just_in_time_msgs', true ) ) {
179            return false;
180        }
181
182        // Folks cannot connect to WordPress.com and won't really be able to act on the pre-connection messages. So bail.
183        if ( ( new Status() )->is_offline_mode() ) {
184            return false;
185        }
186
187        return true;
188    }
189
190    /**
191     * Prepare actions according to screen and post type.
192     *
193     * @since 1.1.0
194     * @since-jetpack 3.8.2
195     *
196     * @uses Jetpack_Autoupdate::get_possible_failures()
197     *
198     * @param \WP_Screen $screen WP Core's screen object.
199     */
200    public function prepare_jitms( $screen ) {
201        /**
202         * Filter to hide JITMs on certain screens.
203         *
204         * @since 1.14.0
205         *
206         * @param bool true Whether to show just in time messages.
207         * @param string $string->id The ID of the current screen.
208         */
209        if ( apply_filters( 'jetpack_display_jitms_on_screen', true, $screen->id ) ) {
210            add_action( 'admin_enqueue_scripts', array( $this, 'jitm_enqueue_files' ) );
211            add_action( 'admin_notices', array( $this, 'ajax_message' ) );
212            add_action( 'edit_form_top', array( $this, 'ajax_message' ) );
213        }
214    }
215
216    /**
217     * Check if the current page is a Jetpack or WooCommerce admin page.
218     * Noting that this is a very basic check, and pages from other plugins may also match.
219     *
220     * @since 3.1.0
221     *
222     * @return bool True if the current page is a Jetpack or WooCommerce admin page, else false.
223     */
224    public function is_a8c_admin_page() {
225        if ( ! function_exists( 'get_current_screen' ) ) {
226            return false;
227        }
228
229        $current_screen = get_current_screen();
230
231        // We never want to show JITMs on the block editor.
232        if (
233            method_exists( $current_screen, 'is_block_editor' )
234            && $current_screen->is_block_editor()
235        ) {
236            return false;
237        }
238
239        return (
240            $current_screen
241            && $current_screen->id
242            && (bool) preg_match(
243                '/' . implode( '|', self::APPROVED_SCREEN_IDS ) . '/',
244                $current_screen->id
245            )
246        );
247    }
248
249    /**
250     * Function to enqueue jitm css and js
251     */
252    public function jitm_enqueue_files() {
253        // Only load those files on the Jetpack or Woo admin pages.
254        if ( ! $this->is_a8c_admin_page() ) {
255            return;
256        }
257
258        Assets::register_script(
259            'jetpack-jitm',
260            '../build/index.js',
261            __FILE__,
262            array(
263                'in_footer'    => true,
264                'dependencies' => array(),
265                'enqueue'      => true,
266            )
267        );
268        wp_localize_script(
269            'jetpack-jitm',
270            'jitm_config',
271            array(
272                'api_root'               => esc_url_raw( rest_url() ),
273                'activate_module_text'   => esc_html__( 'Activate', 'jetpack-jitm' ),
274                'activated_module_text'  => esc_html__( 'Activated', 'jetpack-jitm' ),
275                'activating_module_text' => esc_html__( 'Activating', 'jetpack-jitm' ),
276                'settings_module_text'   => esc_html__( 'Settings', 'jetpack-jitm' ),
277                'nonce'                  => wp_create_nonce( 'wp_rest' ),
278            )
279        );
280    }
281
282    /**
283     * Is the current page a block editor page?
284     *
285     * @since 1.1.0
286     * @since-jetpack 8.0.0
287     *
288     * @deprecated 3.1.0
289     */
290    public function is_gutenberg_page() {
291        _deprecated_function( __METHOD__, '3.1.0' );
292        $current_screen = get_current_screen();
293        return ( method_exists( $current_screen, 'is_block_editor' ) && $current_screen->is_block_editor() );
294    }
295
296    /**
297     * Get's the current message path for display of a JITM
298     *
299     * @return string The message path
300     */
301    public function get_message_path() {
302        $screen = get_current_screen();
303
304        return 'wp:' . $screen->id . ':' . current_filter();
305    }
306
307    /**
308     * Injects the dom to show a JITM inside of wp-admin.
309     */
310    public function ajax_message() {
311        if ( ! is_admin() ) {
312            return;
313        }
314
315        // Only add this to specifically allowed pages.
316        if ( ! $this->is_a8c_admin_page() ) {
317            return;
318        }
319
320        $message_path   = $this->get_message_path();
321        $query_string   = _http_build_query( $_GET, '', ',' ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
322        $current_screen = isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- Escaped below
323        ?>
324        <div class="jetpack-jitm-message"
325            data-nonce="<?php echo esc_attr( wp_create_nonce( 'wp_rest' ) ); ?>"
326            data-ajax-nonce="<?php echo esc_attr( wp_create_nonce( 'wp_ajax_action' ) ); ?>"
327            data-message-path="<?php echo esc_attr( $message_path ); ?>"
328            data-query="<?php echo urlencode_deep( $query_string ); ?>"
329            data-redirect="<?php echo urlencode_deep( $current_screen ); ?>"
330        ></div>
331        <?php
332    }
333
334    /**
335     * Generate the icon to display on the JITM.
336     *
337     * All icons supported in this method should be included in the array returned by
338     * JITM::get_supported_icons.
339     *
340     * @param string $content_icon Icon type name.
341     * @param bool   $full_jp_logo_exists Is there a big JP logo already displayed on this screen.
342     */
343    public function generate_icon( $content_icon, $full_jp_logo_exists ) {
344        $date_now   = new \DateTime( 'now', wp_timezone() );
345        $feb_4_date = new \DateTime( '02-04-2025', wp_timezone() );
346        // Don't show the new Woo svg logo until after Feb 4th, 2025
347        $show_new_logo = $date_now >= $feb_4_date;
348
349        switch ( $content_icon ) {
350            case 'jetpack':
351                $jetpack_logo = new Jetpack_Logo();
352                $content_icon = '<div class="jp-emblem">' . ( ( $full_jp_logo_exists ) ? $jetpack_logo->get_jp_emblem() : $jetpack_logo->get_jp_emblem_larger() ) . '</div>';
353                break;
354            case 'woocommerce':
355                // After Feb 4th 2025, we can remove this date condition check ( & filter) and the old svg logo.
356                /**
357                 * Filter to force display the new Woo logo in Woo JITM's, or not.
358                 *
359                 * @since 4.0.5
360                 *
361                 * @param bool $show_woo_logo Whether to show the new Woo logo or not.
362                 */
363                $content_icon = apply_filters( 'jetpack_jitm_use_new_woo_logo', $show_new_logo )
364                    // New Woo logo
365                    ? '<div class="jp-emblem"><svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
366                            viewBox="0 0 183.6 47.5" style="enable-background:new 0 0 183.6 47.5;" xml:space="preserve">
367                        <style type="text/css">
368                            .st0{fill-rule:evenodd;clip-rule:evenodd;fill:#873EFF;}
369                            .st1{fill-rule:evenodd;clip-rule:evenodd;}
370                            .st2{fill:#873EFF;}
371                            .st3{fill-rule:evenodd;clip-rule:evenodd;fill:#FFFFFF;}
372                            .st4{fill:#FFFFFF;}
373                        </style>
374                        <g>
375                            <path class="st0" d="M77.4,0c-4.3,0-7.1,1.4-9.6,6.1L56.4,27.6V8.5c0-5.7-2.7-8.5-7.7-8.5s-7.1,1.7-9.6,6.5L28.3,27.6V8.7
376                                c0-6.1-2.5-8.7-8.6-8.7H7.3C2.6,0,0,2.2,0,6.2s2.5,6.4,7.1,6.4h5.1v24.1c0,6.8,4.6,10.8,11.2,10.8s9.6-2.6,12.9-8.7l7.2-13.5v11.4
377                                c0,6.7,4.4,10.8,11.1,10.8s9.2-2.3,13-8.7l16.6-28C87.8,4.7,85.3,0,77.3,0C77.3,0,77.3,0,77.4,0z"/>
378                            <path class="st0" d="M108.6,0C95,0,84.7,10.1,84.7,23.8s10.4,23.7,23.9,23.7s23.8-10.1,23.9-23.7C132.5,10.1,122.1,0,108.6,0z
379                                M108.6,32.9c-5.1,0-8.6-3.8-8.6-9.1s3.5-9.2,8.6-9.2s8.6,3.9,8.6,9.2S113.8,32.9,108.6,32.9z"/>
380                            <path class="st0" d="M159.7,0c-13.5,0-23.9,10.1-23.9,23.8s10.4,23.7,23.9,23.7s23.9-10.1,23.9-23.7S173.2,0,159.7,0z M159.7,32.9
381                                c-5.2,0-8.5-3.8-8.5-9.1s3.4-9.2,8.5-9.2s8.6,3.9,8.6,9.2S164.9,32.9,159.7,32.9z"/>
382                        </g>
383                        </svg></div>'
384                    // Old Woo logo
385                    : '<div class="jp-emblem"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Layer_1" x="0px" y="0px" viewBox="0 0 168 100" xml:space="preserve" enable-background="new 0 0 168 100" width="50" height="30"><style type="text/css">
386                            .st0{clip-path:url(#SVGID_2_);enable-background:new    ;}
387                            .st1{clip-path:url(#SVGID_4_);}
388                            .st2{clip-path:url(#SVGID_6_);}
389                            .st3{clip-path:url(#SVGID_8_);fill:#7F54B3;}
390                            .st4{clip-path:url(#SVGID_10_);fill:#FFFFFE;}
391                            .st5{clip-path:url(#SVGID_12_);fill:#FFFFFE;}
392                            .st6{clip-path:url(#SVGID_14_);fill:#FFFFFE;}
393                        </style><g><defs><polygon id="SVGID_1_" points="83.8 100 0 100 0 0.3 83.8 0.3 167.6 0.3 167.6 100 "/></defs><clipPath id="SVGID_2_"><use xlink:href="#SVGID_1_" overflow="visible"/></clipPath><g class="st0"><g><defs><rect id="SVGID_3_" width="168" height="100"/></defs><clipPath id="SVGID_4_"><use xlink:href="#SVGID_3_" overflow="visible"/></clipPath><g class="st1"><defs><path id="SVGID_5_" d="M15.6 0.3H152c8.6 0 15.6 7 15.6 15.6v52c0 8.6-7 15.6-15.6 15.6h-48.9l6.7 16.4L80.2 83.6H15.6C7 83.6 0 76.6 0 67.9v-52C0 7.3 7 0.3 15.6 0.3"/></defs><clipPath id="SVGID_6_"><use xlink:href="#SVGID_5_" overflow="visible"/></clipPath><g class="st2"><defs><rect id="SVGID_7_" width="168" height="100"/></defs><clipPath id="SVGID_8_"><use xlink:href="#SVGID_7_" overflow="visible"/></clipPath><rect x="-10" y="-9.7" class="st3" width="187.6" height="119.7"/></g></g></g></g></g><g><defs><path id="SVGID_9_" d="M8.4 14.5c1-1.3 2.4-2 4.3-2.1 3.5-0.2 5.5 1.4 6 4.9 2.1 14.3 4.4 26.4 6.9 36.4l15-28.6c1.4-2.6 3.1-3.9 5.2-4.1 3-0.2 4.9 1.7 5.6 5.7 1.7 9.1 3.9 16.9 6.5 23.4 1.8-17.4 4.8-30 9-37.7 1-1.9 2.5-2.9 4.5-3 1.6-0.1 3 0.3 4.3 1.4 1.3 1 2 2.3 2.1 3.9 0.1 1.2-0.1 2.3-0.7 3.3 -2.7 5-4.9 13.2-6.6 24.7 -1.7 11.1-2.3 19.8-1.9 26.1 0.1 1.7-0.1 3.2-0.8 4.5 -0.8 1.5-2 2.4-3.7 2.5 -1.8 0.1-3.6-0.7-5.4-2.5C52.4 66.7 47.4 57 43.7 44.1c-4.4 8.8-7.7 15.3-9.9 19.7 -4 7.7-7.5 11.7-10.3 11.9 -1.9 0.1-3.5-1.4-4.8-4.7 -3.5-9-7.3-26.3-11.3-52C7.1 17.3 7.5 15.8 8.4 14.5"/></defs><clipPath id="SVGID_10_"><use xlink:href="#SVGID_9_" overflow="visible"/></clipPath><rect x="-2.7" y="-0.6" class="st4" width="90.6" height="86.4"/></g><g><defs><path id="SVGID_11_" d="M155.6 25.2c-2.5-4.3-6.1-6.9-11-7.9 -1.3-0.3-2.5-0.4-3.7-0.4 -6.6 0-11.9 3.4-16.1 10.2 -3.6 5.8-5.3 12.3-5.3 19.3 0 5.3 1.1 9.8 3.3 13.6 2.5 4.3 6.1 6.9 11 7.9 1.3 0.3 2.5 0.4 3.7 0.4 6.6 0 12-3.4 16.1-10.2 3.6-5.9 5.3-12.4 5.3-19.4C159 33.4 157.9 28.9 155.6 25.2zM147 44.2c-0.9 4.5-2.7 7.9-5.2 10.1 -2 1.8-3.9 2.5-5.5 2.2 -1.7-0.3-3-1.8-4-4.4 -0.8-2.1-1.2-4.2-1.2-6.2 0-1.7 0.2-3.4 0.5-5 0.6-2.8 1.8-5.5 3.6-8.1 2.3-3.3 4.7-4.8 7.1-4.2 1.7 0.3 3 1.8 4 4.4 0.8 2.1 1.2 4.2 1.2 6.2C147.5 40.9 147.3 42.6 147 44.2z"/></defs><clipPath id="SVGID_12_"><use xlink:href="#SVGID_11_" overflow="visible"/></clipPath><rect x="109.6" y="6.9" class="st5" width="59.4" height="71.4"/></g><g><defs><path id="SVGID_13_" d="M112.7 25.2c-2.5-4.3-6.1-6.9-11-7.9 -1.3-0.3-2.5-0.4-3.7-0.4 -6.6 0-11.9 3.4-16.1 10.2 -3.5 5.8-5.3 12.3-5.3 19.3 0 5.3 1.1 9.8 3.3 13.6 2.5 4.3 6.1 6.9 11 7.9 1.3 0.3 2.5 0.4 3.7 0.4 6.6 0 12-3.4 16.1-10.2 3.5-5.9 5.3-12.4 5.3-19.4C116 33.4 114.9 28.9 112.7 25.2zM104.1 44.2c-0.9 4.5-2.7 7.9-5.2 10.1 -2 1.8-3.9 2.5-5.5 2.2 -1.7-0.3-3-1.8-4-4.4 -0.8-2.1-1.2-4.2-1.2-6.2 0-1.7 0.2-3.4 0.5-5 0.6-2.8 1.8-5.5 3.6-8.1 2.3-3.3 4.7-4.8 7.1-4.2 1.7 0.3 3 1.8 4 4.4 0.8 2.1 1.2 4.2 1.2 6.2C104.6 40.9 104.4 42.6 104.1 44.2z"/></defs><clipPath id="SVGID_14_"><use xlink:href="#SVGID_13_" overflow="visible"/></clipPath><rect x="66.7" y="6.9" class="st6" width="59.4" height="71.4"/></g></svg></div>';
394                break;
395            default:
396                $content_icon = '';
397                break;
398        }
399        return $content_icon;
400    }
401
402    /**
403     * Returns an array containing the supported icons for JITMs.
404     *
405     * The list includes an empty string, which is used when no icon should be displayed.
406     *
407     * @return array The list of supported icons.
408     */
409    public function get_supported_icons() {
410        return array(
411            'jetpack',
412            'woocommerce',
413            '',
414        );
415    }
416
417    /**
418     * Stores dismiss data into an option
419     *
420     * @param string $key Dismiss key.
421     */
422    public function save_dismiss( $key ) {
423        $hide_jitm = \Jetpack_Options::get_option( 'hide_jitm' );
424        if ( ! is_array( $hide_jitm ) ) {
425            $hide_jitm = array();
426        }
427
428        if ( ! isset( $hide_jitm[ $key ] ) || ! is_array( $hide_jitm[ $key ] ) ) {
429            $hide_jitm[ $key ] = array(
430                'last_dismissal' => 0,
431                'number'         => 0,
432            );
433        }
434
435        $hide_jitm[ $key ] = array(
436            'last_dismissal' => time(),
437            'number'         => $hide_jitm[ $key ]['number'] + 1,
438        );
439
440        \Jetpack_Options::update_option( 'hide_jitm', $hide_jitm );
441    }
442
443    /**
444     * Sets the 'jetpack_last_plugin_sync' transient when the active_plugins option is synced.
445     *
446     * @param array $params The action parameters.
447     *
448     * @return array Returns the action parameters unchanged.
449     */
450    public function jetpack_track_last_sync_callback( $params ) {
451        /**
452         * This filter is documented in the Automattic\Jetpack\JITMS\Post_Connection_JITM class.
453         */
454        if ( ! apply_filters( 'jetpack_just_in_time_msg_cache', true ) ) {
455            return $params;
456        }
457
458        if ( is_array( $params ) && isset( $params[0] ) ) {
459            $option = $params[0];
460            if ( 'active_plugins' === $option ) {
461                // Use the cache if we can, but not terribly important if it gets evicted.
462                set_transient( 'jetpack_last_plugin_sync', time(), HOUR_IN_SECONDS );
463            }
464        }
465
466        return $params;
467    }
468
469    /**
470     * Check if the current site is connected.
471     * On WordPress.com Simple, it is always connected.
472     *
473     * @return bool true if the site is connected, false otherwise.
474     */
475    private static function is_connected() {
476        if ( ( new Host() )->is_wpcom_simple() ) {
477            return true;
478        }
479
480        $connection = new Connection_Manager();
481        return $connection->is_connected();
482    }
483}