jetpack / modules / sharedaddy / sharing-sources.php

sharing-sources.php in Jetpack – WP Security, Backup, Speed, & Growth 13.6, at modules/sharedaddy/sharing-sources.php

3,493 lines 87.6 KB

Raw Download Zip

1	<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2	/**
3	* Define all sharing sources.
4	*
5	* phpcs:disable Generic.Files.OneObjectStructurePerFile.MultipleFound
6	*/
7
8	use Automattic\Jetpack\Device_Detection\User_Agent_Info;
9
10	/**
11	* Base class for sharing sources.
12	* See individual sharing classes below for the implementation of this class.
13	*/
14	abstract class Sharing_Source {
15	/**
16	* Button style (icon, icon-text, text, or official).
17	*
18	* @var string
19	*/
20	public $button_style;
21
22	/**
23	* Does the service have an official version.
24	*
25	* @var bool
26	*/
27	public $smart;
28
29	/**
30	* Should the sharing link open in a new tab.
31	*
32	* @var bool
33	*/
34	protected $open_link_in_new;
35
36	/**
37	* Sharing unique ID.
38	*
39	* @var int
40	*/
41	protected $id;
42
43	/**
44	* Constructor.
45	*
46	* @param int $id Sharing source ID.
47	* @param array $settings Sharing settings.
48	*/
49	public function __construct( $id, array $settings ) {
50	$this->id = $id;
51	/**
52	* Filter the way sharing links open.
53	*
54	* By default, sharing links open in a new window.
55	*
56	* @module sharedaddy
57	*
58	* @since 3.4.0
59	*
60	* @param bool true Should Sharing links open in a new window. Default to true.
61	*/
62	$this->open_link_in_new = apply_filters( 'jetpack_open_sharing_in_new_window', true );
63
64	if ( isset( $settings['button_style'] ) ) {
65	$this->button_style = $settings['button_style'];
66	}
67
68	if ( isset( $settings['smart'] ) ) {
69	$this->smart = $settings['smart'];
70	}
71	}
72
73	/**
74	* Is a service deprecated.
75	*
76	* @return bool
77	*/
78	public function is_deprecated() {
79	return false;
80	}
81
82	/**
83	* Get the protocol to use for a sharing service, based on the site settings.
84	*
85	* @return string
86	*/
87	public function http() {
88	return is_ssl() ? 'https' : 'http';
89	}
90
91	/**
92	* Get unique sharing ID.
93	*
94	* @return int
95	*/
96	public function get_id() {
97	return $this->id;
98	}
99
100	/**
101	* Get unique sharing ID. Similar to get_id().
102	*
103	* @return int
104	*/
105	public function get_class() {
106	return $this->id;
107	}
108
109	/**
110	* Get a post's permalink to use for sharing.
111	*
112	* @param int $post_id Post ID.
113	*
114	* @return string
115	*/
116	public function get_share_url( $post_id ) {
117	/**
118	* Filter the sharing permalink.
119	*
120	* @module sharedaddy
121	*
122	* @since 1.2.0
123	*
124	* @param string get_permalink( $post_id ) Post Permalink.
125	* @param int $post_id Post ID.
126	* @param int $this->id Sharing ID.
127	*/
128	return apply_filters( 'sharing_permalink', get_permalink( $post_id ), $post_id, $this->id );
129	}
130
131	/**
132	* Get a post's title to use for sharing.
133	*
134	* @param int $post_id Post ID.
135	*
136	* @return string
137	*/
138	public function get_share_title( $post_id ) {
139	$post = get_post( $post_id );
140	/**
141	* Filter the sharing title.
142	*
143	* @module sharedaddy
144	*
145	* @since 2.8.0
146	*
147	* @param string $post->post_title Post Title.
148	* @param int $post_id Post ID.
149	* @param int $this->id Sharing ID.
150	*/
151	$title = apply_filters( 'sharing_title', $post->post_title, $post_id, $this->id );
152
153	return html_entity_decode( wp_kses( $title, '' ), ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401 );
154	}
155
156	/**
157	* Get a comma-separated list of the post's tags to use for sharing.
158	* Prepends a '#' to each tag.
159	*
160	* @param int $post_id Post ID.
161	*
162	* @return string
163	*/
164	public function get_share_tags( $post_id ) {
165	$tags = get_the_tags( $post_id );
166	if ( ! $tags ) {
167	return '';
168	}
169
170	$tags = array_map(
171	function ( $tag ) {
172	// Camel case the tag name and remove spaces as well as apostrophes.
173	$tag = preg_replace( '/\s+\|\'/', '', ucwords( $tag->name ) );
174
175	// Return with a '#' prepended.
176	return '#' . $tag;
177	},
178	$tags
179	);
180
181	/**
182	* Allow customizing how the list of tags is displayed.
183	*
184	* @module sharedaddy
185	* @since 11.9
186	*
187	* @param string $tags Comma-separated list of tags.
188	* @param int $post_id Post ID.
189	* @param int $this->id Sharing ID.
190	*/
191	$tag_list = (string) apply_filters( 'jetpack_sharing_tag_list', implode( ', ', $tags ), $post_id, $this->id );
192
193	return html_entity_decode( wp_kses( $tag_list, '' ), ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401 );
194	}
195
196	/**
197	* Does this sharing source have a custom style.
198	*
199	* @return bool
200	*/
201	public function has_custom_button_style() {
202	return false;
203	}
204
205	/**
206	* Get the HTML markup to display a sharing link.
207	*
208	* @param string $url Post URL to share.
209	* @param string $text Sharing display text.
210	* @param string $title The title for the link.
211	* @param string $query Additional query arguments to add to the link. They should be in 'foo=bar&baz=1' format.
212	* @param bool\|string $id Sharing ID to include in the data-shared attribute.
213	* @param array $data_attributes The keys are used as additional attribute names with 'data-' prefix.
214	* The values are used as the attribute values.
215	*
216	* @return string The HTML for the link.
217	*/
218	public function get_link( $url, $text, $title, $query = '', $id = false, $data_attributes = array() ) {
219	$args = func_get_args();
220	$klasses = array( 'share-' . $this->get_class(), 'sd-button' );
221
222	if ( 'icon' === $this->button_style \|\| 'icon-text' === $this->button_style ) {
223	$klasses[] = 'share-icon';
224	}
225
226	if ( 'icon' === $this->button_style ) {
227	$text = $title;
228	$klasses[] = 'no-text';
229
230	if ( true === $this->open_link_in_new ) {
231	$text .= __( ' (Opens in new window)', 'jetpack' );
232	}
233	}
234
235	/**
236	* Filter the sharing display ID.
237	*
238	* @module sharedaddy
239	*
240	* @since 3.4.0
241	*
242	* @param string\|false $id Sharing ID.
243	* @param object $this Sharing service properties.
244	* @param array $args Array of sharing service options.
245	*/
246	$id = apply_filters( 'jetpack_sharing_display_id', $id, $this, $args );
247	/**
248	* Filter the sharing display link.
249	*
250	* @module sharedaddy
251	*
252	* @since 2.8.0
253	*
254	* @param string $url Post URL.
255	* @param object $this Sharing service properties.
256	* @param string\|false $id Sharing ID.
257	* @param array $args Array of sharing service options.
258	*/
259	$url = apply_filters( 'sharing_display_link', $url, $this, $id, $args ); // backwards compatibility
260	/**
261	* Filter the sharing display link.
262	*
263	* @module sharedaddy
264	*
265	* @since 2.8.0
266	*
267	* @param string $url Post URL.
268	* @param object $this Sharing service properties.
269	* @param string\|false $id Sharing ID.
270	* @param array $args Array of sharing service options.
271	*/
272	$url = apply_filters( 'jetpack_sharing_display_link', $url, $this, $id, $args );
273	/**
274	* Filter the sharing display query.
275	*
276	* @module sharedaddy
277	*
278	* @since 2.8.0
279	*
280	* @param string $query Sharing service URL parameter.
281	* @param object $this Sharing service properties.
282	* @param string\|false $id Sharing ID.
283	* @param array $args Array of sharing service options.
284	*/
285	$query = apply_filters( 'jetpack_sharing_display_query', $query, $this, $id, $args );
286
287	if ( ! empty( $query ) ) {
288	if ( false === stripos( $url, '?' ) ) {
289	$url .= '?' . $query;
290	} else {
291	$url .= '&' . $query;
292	}
293	}
294
295	if ( 'text' === $this->button_style ) {
296	$klasses[] = 'no-icon';
297	}
298
299	/**
300	* Filter the sharing display classes.
301	*
302	* @module sharedaddy
303	*
304	* @since 3.4.0
305	*
306	* @param array $klasses Sharing service classes.
307	* @param object $this Sharing service properties.
308	* @param string\|false $id Sharing ID.
309	* @param array $args Array of sharing service options.
310	*/
311	$klasses = apply_filters( 'jetpack_sharing_display_classes', $klasses, $this, $id, $args );
312	/**
313	* Filter the sharing display title.
314	*
315	* @module sharedaddy
316	*
317	* @since 3.4.0
318	*
319	* @param string $title Sharing service title.
320	* @param object $this Sharing service properties.
321	* @param string\|false $id Sharing ID.
322	* @param array $args Array of sharing service options.
323	*/
324	$title = apply_filters( 'jetpack_sharing_display_title', $title, $this, $id, $args );
325	/**
326	* Filter the sharing display text.
327	*
328	* @module sharedaddy
329	*
330	* @since 3.4.0
331	*
332	* @param string $text Sharing service text.
333	* @param object $this Sharing service properties.
334	* @param string\|false $id Sharing ID.
335	* @param array $args Array of sharing service options.
336	*/
337	$text = apply_filters( 'jetpack_sharing_display_text', $text, $this, $id, $args );
338
339	/**
340	* Filter the sharing data attributes.
341	*
342	* @module sharedaddy
343	*
344	* @since 11.0
345	*
346	* @param array $data_attributes Attributes supplied from the sharing source.
347	* Note that 'data-' will be prepended to all keys.
348	* @param Sharing_Source $this Sharing source instance.
349	* @param string\|false $id Sharing ID.
350	* @param array $args Array of sharing service options.
351	*/
352	$data_attributes = apply_filters( 'jetpack_sharing_data_attributes', (array) $data_attributes, $this, $id, $args );
353
354	$encoded_data_attributes = '';
355	if ( ! empty( $data_attributes ) ) {
356	$encoded_data_attributes = implode(
357	' ',
358	array_map(
359	/** Filter for formatting attributes */
360	function ( $data_key, $data_value ) {
361	return sprintf(
362	'data-%s="%s"',
363	esc_attr( str_replace( array( ' ', '"' ), '', $data_key ) ),
364	esc_attr( $data_value )
365	);
366	},
367	array_keys( $data_attributes ),
368	array_values( $data_attributes )
369	)
370	);
371	}
372
373	return sprintf(
374	'<a rel="nofollow%s" data-shared="%s" class="%s" href="%s"%s title="%s" %s><span%s>%s</span></a>',
375	( true === $this->open_link_in_new ) ? ' noopener noreferrer' : '',
376	( $id ? esc_attr( $id ) : '' ),
377	implode( ' ', $klasses ),
378	$url,
379	( true === $this->open_link_in_new ) ? ' target="_blank"' : '',
380	$title,
381	$encoded_data_attributes,
382	( 'icon' === $this->button_style ) ? '></span><span class="sharing-screen-reader-text"' : '',
383	$text
384	);
385	}
386
387	/**
388	* Get an unfiltered post permalink to use when generating a sharing URL with get_link.
389	* Use instead of get_share_url for non-official styles as get_permalink ensures that process_request
390	* will be executed more reliably, in the case that the filtered URL uses a service that strips query parameters.
391	*
392	* @since 3.7.0
393	* @param int $post_id Post ID.
394	*
395	* @uses get_permalink
396	*
397	* @return string get_permalink( $post_id ) Post permalink.
398	*/
399	public function get_process_request_url( $post_id ) {
400	return get_permalink( $post_id );
401	}
402
403	/**
404	* Get sharing name.
405	*/
406	abstract public function get_name();
407
408	/**
409	* Get the markup of the sharing button.
410	*
411	* @param WP_Post $post Post object.
412	*/
413	abstract public function get_display( $post );
414
415	/**
416	* Add content specific to a service in the head.
417	*/
418	public function display_header() {
419	}
420
421	/**
422	* Add content specific to a service in the footer.
423	*/
424	public function display_footer() {
425	}
426
427	/**
428	* Does the service have advanced options.
429	*
430	* @return bool
431	*/
432	public function has_advanced_options() {
433	return false;
434	}
435
436	/**
437	* Get the AMP specific markup for a sharing button.
438	*
439	* @param \WP_Post $post The current post being viewed.
440	*
441	* @return bool\|string
442	*/
443	public function get_amp_display( $post ) {
444	// Only display markup if we're on a post.
445	if ( empty( $post ) ) {
446	return false;
447	}
448
449	return $this->build_amp_markup();
450	}
451
452	/**
453	* Generates and returns the markup for an AMP sharing button.
454	*
455	* @param array $attrs Custom attributes for rendering the social icon.
456	*
457	* @return string
458	*/
459	protected function build_amp_markup( $attrs = array() ) {
460
461	$title = sprintf(
462	/* translators: placeholder is a service name, such as "Twitter" or "Facebook". */
463	__( 'Click to share on %s', 'jetpack' ),
464	$this->get_name()
465	);
466
467	$attrs = array_merge(
468	array(
469	'type' => $this->get_id(),
470	'height' => '32px',
471	'width' => '32px',
472	'aria-label' => $title,
473	'title' => $title,
474	),
475	$attrs
476	);
477	$sharing_link = '<amp-social-share';
478	foreach ( $attrs as $key => $value ) {
479	$sharing_link .= sprintf( ' %s="%s"', sanitize_key( $key ), esc_attr( $value ) );
480	}
481	$sharing_link .= '></amp-social-share>';
482	return $sharing_link;
483	}
484
485	/**
486	* Display a preview of the sharing button.
487	*
488	* @param bool $echo Whether to echo the output or return it.
489	* @param bool $force_smart Whether to force the smart (official) services to be shown.
490	* @param null\|string $button_style Button style.
491	*
492	* @return string\|void
493	*/
494	public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
495	$text = ' ';
496	$button_style = ( ! empty( $button_style ) ) ? $button_style : $this->button_style;
497	if ( ! $this->smart && ! $force_smart ) {
498	if ( $button_style !== 'icon' ) {
499	$text = $this->get_name();
500	}
501	}
502
503	$klasses = array( 'share-' . $this->get_class(), 'sd-button' );
504
505	if ( $button_style === 'icon' \|\| $button_style === 'icon-text' ) {
506	$klasses[] = 'share-icon';
507	}
508
509	if ( $button_style === 'icon' ) {
510	$klasses[] = 'no-text';
511	}
512
513	if ( $button_style === 'text' ) {
514	$klasses[] = 'no-icon';
515	}
516
517	$is_deprecated = $this->is_deprecated();
518
519	$link = sprintf(
520	'<a rel="nofollow" class="%s" href="javascript:void(0)" title="%s"><span>%s</span></a>',
521	implode( ' ', $klasses ),
522	esc_attr(
523	$is_deprecated
524	/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
525	? sprintf( __( 'The %1$s sharing service has shut down or discontinued support for sharing buttons. This sharing button is not displayed to your visitors and should be removed.', 'jetpack' ), $this->get_name() )
526	: $this->get_name()
527	),
528	esc_html(
529	$is_deprecated
530	/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
531	? sprintf( __( '%1$s is no longer supported', 'jetpack' ), $this->get_name() )
532	: $text
533	)
534	);
535
536	$smart = ( $this->smart \|\| $force_smart ) ? 'on' : 'off';
537	$return = "<div class='option option-smart-$smart'>$link</div>";
538	if ( $echo ) {
539	echo $return; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- we escape things above.
540	}
541
542	return $return;
543	}
544
545	/**
546	* Get sharing stats for a specific post or sharing service.
547	*
548	* @param bool\|WP_Post $post Post object.
549	*
550	* @return int
551	*/
552	public function get_total( $post = false ) {
553	global $wpdb, $blog_id;
554
555	$name = strtolower( $this->get_id() );
556
557	if ( $post === false ) {
558	// get total number of shares for service
559	return (int) $wpdb->get_var( $wpdb->prepare( 'SELECT SUM( count ) FROM sharing_stats WHERE blog_id = %d AND share_service = %s', $blog_id, $name ) );
560	}
561
562	// get total shares for a post
563	return (int) $wpdb->get_var( $wpdb->prepare( 'SELECT count FROM sharing_stats WHERE blog_id = %d AND post_id = %d AND share_service = %s', $blog_id, $post->ID, $name ) );
564	}
565
566	/**
567	* Get sharing stats for all posts on the site.
568	*
569	* @return array
570	*/
571	public function get_posts_total() {
572	global $wpdb, $blog_id;
573
574	$totals = array();
575	$name = strtolower( $this->get_id() );
576
577	$my_data = $wpdb->get_results( $wpdb->prepare( 'SELECT post_id as id, SUM( count ) as total FROM sharing_stats WHERE blog_id = %d AND share_service = %s GROUP BY post_id ORDER BY count DESC ', $blog_id, $name ) );
578
579	if ( ! empty( $my_data ) ) {
580	foreach ( $my_data as $row ) {
581	$totals[] = new Sharing_Post_Total( $row->id, $row->total );
582	}
583	}
584
585	usort( $totals, array( 'Sharing_Post_Total', 'cmp' ) );
586
587	return $totals;
588	}
589
590	/**
591	* Process sharing request. Add actions that need to happen when sharing here.
592	*
593	* @param WP_Post $post Post object.
594	* @param array $post_data Array of information about the post we're sharing.
595	*
596	* @return void
597	*/
598	public function process_request( $post, array $post_data ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
599	/**
600	* Fires when a post is shared via one of the sharing buttons.
601	*
602	* @module sharedaddy
603	*
604	* @since 1.1.0
605	*
606	* @param array $args Aray of information about the sharing service.
607	*/
608	do_action(
609	'sharing_bump_stats',
610	array(
611	'service' => $this,
612	'post' => $post,
613	)
614	);
615	}
616
617	/**
618	* Redirect to an external social network site to finish sharing.
619	*
620	* @param string $url Sharing URL for a given service.
621	* @return never
622	*/
623	public function redirect_request( $url ) {
624	wp_redirect( $url ); // phpcs:ignore WordPress.Security.SafeRedirect.wp_redirect_wp_redirect -- We allow external redirects here; we define them ourselves.
625
626	// We set up this custom header to indicate to search engines not to index this page.
627	header( 'X-Robots-Tag: noindex, nofollow' );
628	die();
629	}
630
631	/**
632	* Add extra JavaScript to a sharing service.
633	*
634	* @param string $name Sharing service name.
635	* @param array $params Array of sharing options.
636	*
637	* @return void
638	*/
639	public function js_dialog( $name, $params = array() ) {
640	if ( true !== $this->open_link_in_new ) {
641	return;
642	}
643
644	$defaults = array(
645	'menubar' => 1,
646	'resizable' => 1,
647	'width' => 600,
648	'height' => 400,
649	);
650	$params = array_merge( $defaults, $params );
651	$opts = array();
652	foreach ( $params as $key => $val ) {
653	$opts[] = "$key=$val";
654	}
655	$opts = implode( ',', $opts );
656
657	// Add JS after sharing-js has been enqueued.
658	wp_add_inline_script(
659	'sharing-js',
660	"var windowOpen;
661	( function () {
662	function matches( el, sel ) {
663	return !! (
664	el.matches && el.matches( sel ) \|\|
665	el.msMatchesSelector && el.msMatchesSelector( sel )
666	);
667	}
668
669	document.body.addEventListener( 'click', function ( event ) {
670	if ( ! event.target ) {
671	return;
672	}
673
674	var el;
675	if ( matches( event.target, 'a.share-$name' ) ) {
676	el = event.target;
677	} else if ( event.target.parentNode && matches( event.target.parentNode, 'a.share-$name' ) ) {
678	el = event.target.parentNode;
679	}
680
681	if ( el ) {
682	event.preventDefault();
683
684	// If there's another sharing window open, close it.
685	if ( typeof windowOpen !== 'undefined' ) {
686	windowOpen.close();
687	}
688	windowOpen = window.open( el.getAttribute( 'href' ), 'wpcom$name', '$opts' );
689	return false;
690	}
691	} );
692	} )();"
693	);
694	}
695	}
696
697	/**
698	* Handle the display of deprecated sharing services.
699	*/
700	abstract class Deprecated_Sharing_Source extends Sharing_Source {
701	/**
702	* Button style (icon-text, icon, or text)
703	*
704	* @var string
705	*/
706	public $button_style = 'text';
707
708	/**
709	* Does the service have an official version.
710	*
711	* @var bool
712	*/
713	public $smart = false;
714
715	/**
716	* Should the sharing link open in a new tab.
717	*
718	* @var bool
719	*/
720	protected $open_link_in_new = false;
721
722	/**
723	* Sharing unique ID.
724	*
725	* @var int
726	*/
727	protected $id;
728
729	/**
730	* Is the service deprecated.
731	*
732	* @var bool
733	*/
734	protected $deprecated = true;
735
736	/**
737	* Constructor.
738	*
739	* @param int $id Sharing source ID.
740	* @param array $settings Sharing settings.
741	*/
742	final public function __construct( $id, array $settings ) {
743	$this->id = $id;
744
745	if ( isset( $settings['button_style'] ) ) {
746	$this->button_style = $settings['button_style'];
747	}
748	}
749
750	/**
751	* Is the service deprecated.
752	*
753	* @return bool
754	*/
755	final public function is_deprecated() {
756	return true;
757	}
758
759	/**
760	* Get a post's permalink to use for sharing.
761	*
762	* @param int $post_id Post ID.
763	*
764	* @return string
765	*/
766	final public function get_share_url( $post_id ) {
767	return get_permalink( $post_id );
768	}
769
770	/**
771	* No AMP display for deprecated sources.
772	*
773	* @param \WP_Post $post The current post being viewed.
774	*/
775	final public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
776	return false;
777	}
778
779	/**
780	* Display a preview of the sharing button.
781	*
782	* @param bool $echo Whether to echo the output or return it.
783	* @param bool $force_smart Whether to force the smart (official) services to be shown.
784	* @param null\|string $button_style Button style.
785	*
786	* @return string\|void
787	*/
788	final public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
789	return parent::display_preview( $echo, false, $button_style );
790	}
791
792	/**
793	* Get sharing stats for a specific post or sharing service.
794	*
795	* @param bool\|WP_Post $post Post object.
796	*
797	* @return int
798	*/
799	final public function get_total( $post = false ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
800	return 0;
801	}
802
803	/**
804	* Get sharing stats for all posts on the site.
805	*
806	* @return int\|array
807	*/
808	final public function get_posts_total() {
809	return 0;
810	}
811
812	/**
813	* Process sharing request. Add actions that need to happen when sharing here.
814	*
815	* @param WP_Post $post Post object.
816	* @param array $post_data Array of information about the post we're sharing.
817	*
818	* @return void
819	*/
820	final public function process_request( $post, array $post_data ) { // phpcs:ignore Generic.CodeAnalysis.UselessOverridingMethod.Found
821	parent::process_request( $post, $post_data );
822	}
823
824	/**
825	* Get the markup of the sharing button.
826	*
827	* @param WP_Post $post Post object.
828	*
829	* @return string
830	*/
831	final public function get_display( $post ) {
832	if ( current_user_can( 'manage_options' ) ) {
833	return $this->display_deprecated( $post );
834	}
835
836	return '';
837	}
838
839	/**
840	* Display a custom message for deprecated services.
841	*
842	* @param WP_Post $post Post object.
843	*
844	* @return string
845	*/
846	public function display_deprecated( $post ) {
847	return $this->get_link(
848	$this->get_share_url( $post->ID ),
849	/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
850	sprintf( __( '%1$s is no longer supported', 'jetpack' ), $this->get_name() ),
851	/* translators: %1$s is the name of a deprecated Sharing Service like "Google+" */
852	sprintf( __( 'The %1$s sharing service has shut down or discontinued support for sharing buttons. This sharing button is not displayed to your visitors and should be removed.', 'jetpack' ), $this->get_name() )
853	);
854	}
855	}
856
857	/**
858	* Handle the display of advanced sharing services.
859	* Custom sharing buttons we create ourselves will be such services.
860	*/
861	abstract class Sharing_Advanced_Source extends Sharing_Source {
862	/**
863	* Does the service have advanced options.
864	*
865	* @return bool
866	*/
867	public function has_advanced_options() {
868	return true;
869	}
870
871	/**
872	* Display options for our sharing buttons.
873	*/
874	abstract public function display_options();
875
876	/**
877	* Sanitize and save options for our sharing buttons.
878	*
879	* @param array $data Data to be saved.
880	*
881	* @return void
882	*/
883	abstract public function update_options( array $data );
884
885	/**
886	* Get array of information about the service.
887	*
888	* @return array
889	*/
890	abstract public function get_options();
891	}
892
893	/**
894	* Handle the display of the email sharing button.
895	*/
896	class Share_Email extends Sharing_Source {
897	/**
898	* Service short name.
899	*
900	* @var string
901	*/
902	public $shortname = 'email';
903
904	/**
905	* Service icon font code.
906	*
907	* @var string
908	*/
909	public $icon = '\f410';
910
911	/**
912	* Constructor.
913	*
914	* @param int $id Sharing source ID.
915	* @param array $settings Sharing settings.
916	*/
917	public function __construct( $id, array $settings ) {
918	parent::__construct( $id, $settings );
919
920	if ( 'official' === $this->button_style ) {
921	$this->smart = true;
922	} else {
923	$this->smart = false;
924	}
925	}
926
927	/**
928	* Service name.
929	*
930	* @return string
931	*/
932	public function get_name() {
933	return _x( 'Email', 'as sharing source', 'jetpack' );
934	}
935
936	/**
937	* Helper function to return a nonce action based on the current post.
938	*
939	* @param WP_Post\|null $post The current post if it is defined.
940	* @return string The nonce action name.
941	*/
942	protected function get_email_share_nonce_action( $post ) {
943	if ( ! empty( $post ) && $post instanceof WP_Post ) {
944	return 'jetpack-email-share-' . $post->ID;
945	}
946
947	return 'jetpack-email-share';
948	}
949
950	/**
951	* Process sharing request. Add actions that need to happen when sharing here.
952	*
953	* @param WP_Post $post Post object.
954	* @param array $post_data Array of information about the post we're sharing.
955	*
956	* @return void
957	*/
958	public function process_request( $post, array $post_data ) {
959	$is_ajax = false;
960	if (
961	isset( $_SERVER['HTTP_X_REQUESTED_WITH'] )
962	&& strtolower( sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_REQUESTED_WITH'] ) ) ) === 'xmlhttprequest'
963	) {
964	$is_ajax = true;
965	}
966
967	// Require an AJAX-driven submit and a valid nonce to process the request
968	if (
969	$is_ajax
970	&& isset( $post_data['email-share-nonce'] )
971	&& wp_verify_nonce( $post_data['email-share-nonce'], $this->get_email_share_nonce_action( $post ) )
972	) {
973	// Ensure that we bump stats
974	parent::process_request( $post, $post_data );
975	}
976
977	if ( $is_ajax ) {
978	wp_send_json_success();
979	} else {
980	wp_safe_redirect( get_permalink( $post->ID ) . '?shared=email&msg=fail' );
981	exit;
982	}
983
984	wp_die();
985	}
986
987	/**
988	* Get the markup of the sharing button.
989	*
990	* @param WP_Post $post Post object.
991	*
992	* @return string The HTML for the button.
993	*/
994	public function get_display( $post ) {
995	$tracking_url = $this->get_process_request_url( $post->ID );
996	if ( false === stripos( $tracking_url, '?' ) ) {
997	$tracking_url .= '?';
998	} else {
999	$tracking_url .= '&';
1000	}
1001	$tracking_url .= 'share=email';
1002
1003	$data_attributes = array(
1004	'email-share-error-title' => __( 'Do you have email set up?', 'jetpack' ),
1005	'email-share-error-text' => __(
1006	"If you're having problems sharing via email, you might not have email set up for your browser. You may need to create a new email yourself.",
1007	'jetpack'
1008	),
1009	'email-share-nonce' => wp_create_nonce( $this->get_email_share_nonce_action( $post ) ),
1010	'email-share-track-url' => $tracking_url,
1011	);
1012
1013	$post_title = $this->get_share_title( $post->ID );
1014	$post_url = $this->get_share_url( $post->ID );
1015
1016	/** This filter is documented in plugins/jetpack/modules/sharedaddy/sharedaddy.php */
1017	$email_subject = apply_filters(
1018	'wp_sharing_email_send_post_subject',
1019	sprintf( '[%s] %s', __( 'Shared Post', 'jetpack' ), $post_title )
1020	);
1021
1022	$mailto_query = sprintf(
1023	'subject=%s&body=%s&share=email',
1024	rawurlencode( $email_subject ),
1025	rawurlencode( $post_url )
1026	);
1027
1028	return $this->get_link(
1029	'mailto:',
1030	_x( 'Email', 'share to', 'jetpack' ),
1031	__( 'Click to email a link to a friend', 'jetpack' ),
1032	$mailto_query,
1033	false,
1034	$data_attributes
1035	);
1036	}
1037
1038	/**
1039	* AMP display for email.
1040	*
1041	* @param \WP_Post $post The current post being viewed.
1042	*/
1043	public function get_amp_display( $post ) { // phpcs:ignore
1044	$attrs = array(
1045	// Prevents an empty window from opening on desktop: https://github.com/ampproject/amphtml/issues/9157.
1046	'data-target' => '_self',
1047	);
1048
1049	return $this->build_amp_markup( $attrs );
1050	}
1051	}
1052
1053	/**
1054	* Twitter sharing button.
1055	*/
1056	class Share_Twitter extends Sharing_Source {
1057	/**
1058	* Service short name.
1059	*
1060	* @var string
1061	*/
1062	public $shortname = 'twitter';
1063
1064	/**
1065	* Service icon font code.
1066	*
1067	* @var string
1068	*/
1069	public $icon = '\f202';
1070
1071	/**
1072	* Length of a URL on Twitter.
1073	* 'https://dev.twitter.com/rest/reference/get/help/configuration'
1074	* ( 2015/02/06 ) short_url_length is 22, short_url_length_https is 23
1075	*
1076	* @var int
1077	*/
1078	public $short_url_length = 24;
1079
1080	/**
1081	* Constructor.
1082	*
1083	* @param int $id Sharing source ID.
1084	* @param array $settings Sharing settings.
1085	*/
1086	public function __construct( $id, array $settings ) {
1087	parent::__construct( $id, $settings );
1088
1089	if ( 'official' === $this->button_style ) {
1090	$this->smart = true;
1091	} else {
1092	$this->smart = false;
1093	}
1094	}
1095
1096	/**
1097	* Service name.
1098	*
1099	* @return string
1100	*/
1101	public function get_name() {
1102	return __( 'Twitter', 'jetpack' );
1103	}
1104
1105	/**
1106	* Determine the Twitter 'via' value for a post.
1107	*
1108	* @param WP_Post\|int $post Post object or post ID.
1109	* @return string Twitter handle without the preceding @.
1110	**/
1111	public static function sharing_twitter_via( $post ) {
1112	$post = get_post( $post );
1113	/**
1114	* Allow third-party plugins to customize the Twitter username used as "twitter:site" Twitter Card Meta Tag.
1115	*
1116	* @module sharedaddy
1117	*
1118	* @since 3.0.0
1119	*
1120	* @param string $string Twitter Username.
1121	* @param array $args Array of Open Graph Meta Tags and Twitter Cards tags.
1122	*/
1123	$twitter_site_tag_value = apply_filters(
1124	'jetpack_twitter_cards_site_tag',
1125	'',
1126	/** This action is documented in modules/sharedaddy/sharing-sources.php */
1127	array( 'twitter:creator' => apply_filters( 'jetpack_sharing_twitter_via', '', $post->ID ) )
1128	);
1129
1130	/*
1131	* Hack to remove the unwanted behavior of adding 'via @jetpack' which
1132	* was introduced with the adding of the Twitter cards.
1133	* This should be a temporary solution until a better method is setup.
1134	*/
1135	if ( 'jetpack' === $twitter_site_tag_value ) {
1136	$twitter_site_tag_value = '';
1137	}
1138
1139	/**
1140	* Filters the Twitter username used as "via" in the Twitter sharing button.
1141	*
1142	* @module sharedaddy
1143	*
1144	* @since 1.7.0
1145	*
1146	* @param string $twitter_site_tag_value Twitter Username.
1147	* @param int $post->ID Post ID.
1148	*/
1149	$twitter_site_tag_value = apply_filters( 'jetpack_sharing_twitter_via', $twitter_site_tag_value, $post->ID );
1150
1151	// Strip out anything other than a letter, number, or underscore.
1152	// This will prevent the inadvertent inclusion of an extra @, as well as normalizing the handle.
1153	return preg_replace( '/[^\da-z_]+/i', '', $twitter_site_tag_value );
1154	}
1155
1156	/**
1157	* Determine the 'related' Twitter accounts for a post.
1158	*
1159	* @param WP_Post\|int $post Post object or post ID.
1160	* @return string Comma-separated list of Twitter handles.
1161	**/
1162	public static function get_related_accounts( $post ) {
1163	$post = get_post( $post );
1164	/**
1165	* Filter the list of related Twitter accounts added to the Twitter sharing button.
1166	*
1167	* @module sharedaddy
1168	*
1169	* @since 1.7.0
1170	*
1171	* @param array $args Array of Twitter usernames. Format is 'username' => 'Optional description'
1172	* @param int $post->ID Post ID.
1173	*/
1174	$related_accounts = apply_filters( 'jetpack_sharing_twitter_related', array(), $post->ID );
1175
1176	// Example related string: account1,account2:Account 2 description,account3
1177	$related = array();
1178
1179	foreach ( $related_accounts as $related_account_username => $related_account_description ) {
1180	// Join the description onto the end of the username
1181	if ( $related_account_description ) {
1182	$related_account_username .= ':' . $related_account_description;
1183	}
1184
1185	$related[] = $related_account_username;
1186	}
1187
1188	return implode( ',', $related );
1189	}
1190
1191	/**
1192	* Get the markup of the sharing button.
1193	*
1194	* @param WP_Post $post Post object.
1195	*
1196	* @return string
1197	*/
1198	public function get_display( $post ) {
1199	$via = static::sharing_twitter_via( $post );
1200
1201	if ( $via ) {
1202	$via = 'data-via="' . esc_attr( $via ) . '"';
1203	} else {
1204	$via = '';
1205	}
1206
1207	$related = static::get_related_accounts( $post );
1208	if ( ! empty( $related ) && $related !== $via ) {
1209	$related = 'data-related="' . esc_attr( $related ) . '"';
1210	} else {
1211	$related = '';
1212	}
1213
1214	if ( $this->smart ) {
1215	$share_url = $this->get_share_url( $post->ID );
1216	$post_title = $this->get_share_title( $post->ID );
1217	return sprintf(
1218	'<a href="https://twitter.com/share" class="twitter-share-button" data-url="%1$s" data-text="%2$s" %3$s %4$s>Tweet</a>',
1219	esc_url( $share_url ),
1220	esc_attr( $post_title ),
1221	$via,
1222	$related
1223	);
1224	} else {
1225	if (
1226	/**
1227	* Allow plugins to disable sharing counts for specific sharing services.
1228	*
1229	* @module sharedaddy
1230	*
1231	* @since 3.0.0
1232	*
1233	* @param bool true Should sharing counts be enabled for this specific service. Default to true.
1234	* @param int $post->ID Post ID.
1235	* @param string $str Sharing service name.
1236	*/
1237	apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'twitter' )
1238	) {
1239	sharing_register_post_for_share_counts( $post->ID );
1240	}
1241	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Twitter', 'share to', 'jetpack' ), __( 'Click to share on Twitter', 'jetpack' ), 'share=twitter', 'sharing-twitter-' . $post->ID );
1242	}
1243	}
1244
1245	/**
1246	* Process sharing request. Add actions that need to happen when sharing here.
1247	*
1248	* @param WP_Post $post Post object.
1249	* @param array $post_data Array of information about the post we're sharing.
1250	*
1251	* @return void
1252	*/
1253	public function process_request( $post, array $post_data ) {
1254	$post_title = $this->get_share_title( $post->ID );
1255	$post_link = $this->get_share_url( $post->ID );
1256
1257	if ( function_exists( 'mb_stripos' ) ) {
1258	$strlen = 'mb_strlen';
1259	$substr = 'mb_substr';
1260	} else {
1261	$strlen = 'strlen';
1262	$substr = 'substr';
1263	}
1264
1265	$via = static::sharing_twitter_via( $post );
1266	$related = static::get_related_accounts( $post );
1267	if ( $via ) {
1268	$sig = " via @$via";
1269	if ( $related === $via ) {
1270	$related = false;
1271	}
1272	} else {
1273	$via = false;
1274	$sig = '';
1275	}
1276
1277	$suffix_length = $this->short_url_length + $strlen( $sig );
1278	// $sig is handled by twitter in their 'via' argument.
1279	// $post_link is handled by twitter in their 'url' argument.
1280	if ( 280 < $strlen( $post_title ) + $suffix_length ) {
1281	// The -1 is for "\xE2\x80\xA6", a UTF-8 ellipsis.
1282	$text = $substr( $post_title, 0, 280 - $suffix_length - 1 ) . "\xE2\x80\xA6";
1283	} else {
1284	$text = $post_title;
1285	}
1286
1287	// Record stats
1288	parent::process_request( $post, $post_data );
1289
1290	$url = $post_link;
1291	$twitter_url = add_query_arg(
1292	rawurlencode_deep( array_filter( compact( 'via', 'related', 'text', 'url' ) ) ),
1293	'https://twitter.com/intent/tweet'
1294	);
1295
1296	parent::redirect_request( $twitter_url );
1297	}
1298
1299	/**
1300	* Does this sharing source have a custom style.
1301	*
1302	* @return bool
1303	*/
1304	public function has_custom_button_style() {
1305	return $this->smart;
1306	}
1307
1308	/**
1309	* Add content specific to a service in the footer.
1310	*/
1311	public function display_footer() {
1312	if ( $this->smart ) {
1313	?>
1314	<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
1315	<?php
1316	} else {
1317	$this->js_dialog( $this->shortname, array( 'height' => 350 ) );
1318	}
1319	}
1320	}
1321
1322	/**
1323	* X sharing button.
1324	*
1325	* While the old Twitter button had an official button,
1326	* this new X button does not, since there is no official X button yet.
1327	*/
1328	class Share_X extends Sharing_Source {
1329	/**
1330	* Service short name.
1331	*
1332	* @var string
1333	*/
1334	public $shortname = 'x';
1335
1336	/**
1337	* Service icon font code.
1338	*
1339	* @var string
1340	*/
1341	public $icon = '\f10e';
1342
1343	/**
1344	* Length of a URL on X.
1345	* https://developer.twitter.com/en/docs/tco
1346	*
1347	* @var int
1348	*/
1349	public $short_url_length = 24;
1350
1351	/**
1352	* Constructor.
1353	*
1354	* @param int $id Sharing source ID.
1355	* @param array $settings Sharing settings.
1356	*/
1357	public function __construct( $id, array $settings ) {
1358	parent::__construct( $id, $settings );
1359
1360	if ( 'official' === $this->button_style ) {
1361	$this->smart = true;
1362	} else {
1363	$this->smart = false;
1364	}
1365	}
1366
1367	/**
1368	* Service name.
1369	*
1370	* @return string
1371	*/
1372	public function get_name() {
1373	return __( 'X', 'jetpack' );
1374	}
1375
1376	/**
1377	* Get the markup of the sharing button.
1378	*
1379	* @param WP_Post $post Post object.
1380	*
1381	* @return string
1382	*/
1383	public function get_display( $post ) {
1384	$via = static::sharing_x_via( $post );
1385
1386	if ( $via ) {
1387	$via = 'data-via="' . esc_attr( $via ) . '"';
1388	} else {
1389	$via = '';
1390	}
1391
1392	$related = static::get_related_accounts( $post );
1393	if ( ! empty( $related ) && $related !== $via ) {
1394	$related = 'data-related="' . esc_attr( $related ) . '"';
1395	} else {
1396	$related = '';
1397	}
1398
1399	if ( $this->smart ) {
1400	$share_url = $this->get_share_url( $post->ID );
1401	$post_title = $this->get_share_title( $post->ID );
1402	return sprintf(
1403	'<a href="https://x.com/share" class="twitter-share-button" data-url="%1$s" data-text="%2$s" %3$s %4$s>%5$s</a>',
1404	esc_url( $share_url ),
1405	esc_attr( $post_title ),
1406	$via,
1407	$related,
1408	esc_html__( 'Post', 'jetpack' )
1409	);
1410	} else {
1411	if (
1412	/** This filter is documented in modules/sharedaddy/sharing-sources.php */
1413	apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'x' )
1414	) {
1415	sharing_register_post_for_share_counts( $post->ID );
1416	}
1417	return $this->get_link(
1418	$this->get_process_request_url( $post->ID ),
1419	_x( 'X', 'share to', 'jetpack' ),
1420	__( 'Click to share on X', 'jetpack' ),
1421	'share=x',
1422	'sharing-x-' . $post->ID
1423	);
1424	}
1425	}
1426
1427	/**
1428	* Determine the X 'via' value for a post.
1429	*
1430	* @param WP_Post\|int $post Post object or post ID.
1431	* @return string X handle without the preceding @.
1432	**/
1433	public static function sharing_x_via( $post ) {
1434	$post = get_post( $post );
1435	/** This filter is documented in modules/sharedaddy/sharing-sources.php */
1436	$twitter_site_tag_value = apply_filters(
1437	'jetpack_twitter_cards_site_tag',
1438	'',
1439	/** This action is documented in modules/sharedaddy/sharing-sources.php */
1440	array( 'twitter:creator' => apply_filters( 'jetpack_sharing_twitter_via', '', $post->ID ) )
1441	);
1442
1443	/*
1444	* Hack to remove the unwanted behavior of adding 'via @jetpack' which
1445	* was introduced with the adding of the Twitter cards.
1446	* This should be a temporary solution until a better method is setup.
1447	*/
1448	if ( 'jetpack' === $twitter_site_tag_value ) {
1449	$twitter_site_tag_value = '';
1450	}
1451
1452	/** This filter is documented in modules/sharedaddy/sharing-sources.php */
1453	$twitter_site_tag_value = apply_filters( 'jetpack_sharing_twitter_via', $twitter_site_tag_value, $post->ID );
1454
1455	// Strip out anything other than a letter, number, or underscore.
1456	// This will prevent the inadvertent inclusion of an extra @, as well as normalizing the handle.
1457	return preg_replace( '/[^\da-z_]+/i', '', $twitter_site_tag_value );
1458	}
1459
1460	/**
1461	* Determine the 'related' X accounts for a post.
1462	*
1463	* @param WP_Post\|int $post Post object or post ID.
1464	* @return string Comma-separated list of X handles.
1465	**/
1466	public static function get_related_accounts( $post ) {
1467	$post = get_post( $post );
1468	/** This filter is documented in modules/sharedaddy/sharing-sources.php */
1469	$related_accounts = apply_filters( 'jetpack_sharing_twitter_related', array(), $post->ID );
1470
1471	// Example related string: account1,account2:Account 2 description,account3
1472	$related = array();
1473
1474	foreach ( $related_accounts as $related_account_username => $related_account_description ) {
1475	// Join the description onto the end of the username
1476	if ( $related_account_description ) {
1477	$related_account_username .= ':' . $related_account_description;
1478	}
1479
1480	$related[] = $related_account_username;
1481	}
1482
1483	return implode( ',', $related );
1484	}
1485
1486	/**
1487	* Add content specific to a service in the footer.
1488	*/
1489	public function display_footer() {
1490	if ( $this->smart ) {
1491	?>
1492	<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
1493	<?php
1494	} else {
1495	$this->js_dialog( $this->shortname, array( 'height' => 350 ) );
1496	}
1497	}
1498
1499	/**
1500	* Process sharing request. Add actions that need to happen when sharing here.
1501	*
1502	* @param WP_Post $post Post object.
1503	* @param array $post_data Array of information about the post we're sharing.
1504	*
1505	* @return void
1506	*/
1507	public function process_request( $post, array $post_data ) {
1508	$post_title = $this->get_share_title( $post->ID );
1509	$post_link = $this->get_share_url( $post->ID );
1510
1511	if ( function_exists( 'mb_stripos' ) ) {
1512	$strlen = 'mb_strlen';
1513	$substr = 'mb_substr';
1514	} else {
1515	$strlen = 'strlen';
1516	$substr = 'substr';
1517	}
1518
1519	$via = static::sharing_x_via( $post );
1520	$related = static::get_related_accounts( $post );
1521	if ( $via ) {
1522	$sig = " via @$via";
1523	if ( $related === $via ) {
1524	$related = false;
1525	}
1526	} else {
1527	$via = false;
1528	$sig = '';
1529	}
1530
1531	$suffix_length = $this->short_url_length + $strlen( $sig );
1532	// $sig is handled by twitter in their 'via' argument.
1533	// $post_link is handled by twitter in their 'url' argument.
1534	if ( 280 < $strlen( $post_title ) + $suffix_length ) {
1535	// The -1 is for "\xE2\x80\xA6", a UTF-8 ellipsis.
1536	$text = $substr( $post_title, 0, 280 - $suffix_length - 1 ) . "\xE2\x80\xA6";
1537	} else {
1538	$text = $post_title;
1539	}
1540
1541	// Record stats
1542	parent::process_request( $post, $post_data );
1543
1544	$url = $post_link;
1545	$twitter_url = add_query_arg(
1546	rawurlencode_deep( array_filter( compact( 'via', 'related', 'text', 'url' ) ) ),
1547	'https://x.com/intent/tweet'
1548	);
1549
1550	parent::redirect_request( $twitter_url );
1551	}
1552
1553	/**
1554	* Does this sharing source have a custom style.
1555	*
1556	* @return bool
1557	*/
1558	public function has_custom_button_style() {
1559	return $this->smart;
1560	}
1561	}
1562
1563	/**
1564	* Reddit sharing button.
1565	*/
1566	class Share_Reddit extends Sharing_Source {
1567	/**
1568	* Service short name.
1569	*
1570	* @var string
1571	*/
1572	public $shortname = 'reddit';
1573
1574	/**
1575	* Service icon font code.
1576	*
1577	* @var string
1578	*/
1579	public $icon = '\f222';
1580
1581	/**
1582	* Service name.
1583	*
1584	* @return string
1585	*/
1586	public function get_name() {
1587	return __( 'Reddit', 'jetpack' );
1588	}
1589
1590	/**
1591	* Get the markup of the sharing button.
1592	*
1593	* @param WP_Post $post Post object.
1594	*
1595	* @return string
1596	*/
1597	public function get_display( $post ) {
1598	return $this->get_link(
1599	$this->get_process_request_url( $post->ID ),
1600	_x( 'Reddit', 'share to', 'jetpack' ),
1601	__( 'Click to share on Reddit', 'jetpack' ),
1602	'share=reddit'
1603	);
1604	}
1605
1606	/**
1607	* AMP display for Reddit.
1608	*
1609	* @param \WP_Post $post The current post being viewed.
1610	*/
1611	public function get_amp_display( $post ) {
1612	$attrs = array(
1613	'data-share-endpoint' => esc_url_raw( 'https://reddit.com/submit?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) ),
1614	);
1615
1616	return $this->build_amp_markup( $attrs );
1617	}
1618
1619	/**
1620	* Process sharing request. Add actions that need to happen when sharing here.
1621	*
1622	* @param WP_Post $post Post object.
1623	* @param array $post_data Array of information about the post we're sharing.
1624	*
1625	* @return void
1626	*/
1627	public function process_request( $post, array $post_data ) {
1628	$reddit_url = $this->http() . '://reddit.com/submit?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) );
1629
1630	// Record stats
1631	parent::process_request( $post, $post_data );
1632
1633	parent::redirect_request( $reddit_url );
1634	}
1635	}
1636
1637	/**
1638	* LinkedIn sharing button.
1639	*/
1640	class Share_LinkedIn extends Sharing_Source {
1641	/**
1642	* Service short name.
1643	*
1644	* @var string
1645	*/
1646	public $shortname = 'linkedin';
1647
1648	/**
1649	* Service icon font code.
1650	*
1651	* @var string
1652	*/
1653	public $icon = '\f207';
1654
1655	/**
1656	* Constructor.
1657	*
1658	* @param int $id Sharing source ID.
1659	* @param array $settings Sharing settings.
1660	*/
1661	public function __construct( $id, array $settings ) {
1662	parent::__construct( $id, $settings );
1663
1664	if ( 'official' === $this->button_style ) {
1665	$this->smart = true;
1666	} else {
1667	$this->smart = false;
1668	}
1669	}
1670
1671	/**
1672	* Service name.
1673	*
1674	* @return string
1675	*/
1676	public function get_name() {
1677	return __( 'LinkedIn', 'jetpack' );
1678	}
1679
1680	/**
1681	* Does this sharing source have a custom style.
1682	*
1683	* @return bool
1684	*/
1685	public function has_custom_button_style() {
1686	return $this->smart;
1687	}
1688
1689	/**
1690	* Get the markup of the sharing button.
1691	*
1692	* @param WP_Post $post Post object.
1693	*
1694	* @return string
1695	*/
1696	public function get_display( $post ) {
1697	$display = '';
1698
1699	if ( $this->smart ) {
1700	$share_url = $this->get_share_url( $post->ID );
1701	$display .= sprintf( '<div class="linkedin_button"><script type="in/share" data-url="%s" data-counter="right"></script></div>', esc_url( $share_url ) );
1702	} else {
1703	$display = $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'LinkedIn', 'share to', 'jetpack' ), __( 'Click to share on LinkedIn', 'jetpack' ), 'share=linkedin', 'sharing-linkedin-' . $post->ID );
1704	}
1705
1706	/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
1707	if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'linkedin' ) ) {
1708	sharing_register_post_for_share_counts( $post->ID );
1709	}
1710
1711	return $display;
1712	}
1713
1714	/**
1715	* Process sharing request. Add actions that need to happen when sharing here.
1716	*
1717	* @param WP_Post $post Post object.
1718	* @param array $post_data Array of information about the post we're sharing.
1719	*
1720	* @return void
1721	*/
1722	public function process_request( $post, array $post_data ) {
1723
1724	$post_link = $this->get_share_url( $post->ID );
1725
1726	// Using the same URL as the official button, which is not LinkedIn's documented sharing link
1727	// https://www.linkedin.com/cws/share?url={url}&token=&isFramed=false
1728	$linkedin_url = add_query_arg(
1729	array(
1730	'url' => rawurlencode( $post_link ),
1731	),
1732	'https://www.linkedin.com/cws/share?token=&isFramed=false'
1733	);
1734
1735	// Record stats
1736	parent::process_request( $post, $post_data );
1737
1738	parent::redirect_request( $linkedin_url );
1739	}
1740
1741	/**
1742	* Add content specific to a service in the footer.
1743	*/
1744	public function display_footer() {
1745	if ( ! $this->smart ) {
1746	$this->js_dialog(
1747	$this->shortname,
1748	array(
1749	'width' => 580,
1750	'height' => 450,
1751	)
1752	);
1753	} else {
1754	?>
1755	<script type="text/javascript">
1756	( function () {
1757	var currentScript = document.currentScript;
1758
1759	// Helper function to load an external script.
1760	function loadScript( url, cb ) {
1761	var script = document.createElement( 'script' );
1762	var prev = currentScript \|\| document.getElementsByTagName( 'script' )[ 0 ];
1763	script.setAttribute( 'async', true );
1764	script.setAttribute( 'src', url );
1765	prev.parentNode.insertBefore( script, prev );
1766	script.addEventListener( 'load', cb );
1767	}
1768
1769	function init() {
1770	loadScript( 'https://platform.linkedin.com/in.js?async=true', function () {
1771	if ( typeof IN !== 'undefined' ) {
1772	IN.init();
1773	}
1774	} );
1775	}
1776
1777	if ( document.readyState === 'loading' ) {
1778	document.addEventListener( 'DOMContentLoaded', init );
1779	} else {
1780	init();
1781	}
1782
1783	document.body.addEventListener( 'is.post-load', function() {
1784	if ( typeof IN !== 'undefined' ) {
1785	IN.parse();
1786	}
1787	} );
1788	} )();
1789	</script>
1790	<?php
1791	}
1792	}
1793	}
1794
1795	/**
1796	* Facebook sharing button.
1797	*/
1798	class Share_Facebook extends Sharing_Source {
1799	/**
1800	* Service short name.
1801	*
1802	* @var string
1803	*/
1804	public $shortname = 'facebook';
1805
1806	/**
1807	* Service icon font code.
1808	*
1809	* @var string
1810	*/
1811	public $icon = '\f204';
1812
1813	/**
1814	* Sharing type.
1815	*
1816	* @var string
1817	*/
1818	private $share_type = 'default';
1819
1820	/**
1821	* Constructor.
1822	*
1823	* @param int $id Sharing source ID.
1824	* @param array $settings Sharing settings.
1825	*/
1826	public function __construct( $id, array $settings ) {
1827	parent::__construct( $id, $settings );
1828
1829	if ( isset( $settings['share_type'] ) ) {
1830	$this->share_type = $settings['share_type'];
1831	}
1832
1833	if ( 'official' === $this->button_style ) {
1834	$this->smart = true;
1835	} else {
1836	$this->smart = false;
1837	}
1838	}
1839
1840	/**
1841	* Service name.
1842	*
1843	* @return string
1844	*/
1845	public function get_name() {
1846	return __( 'Facebook', 'jetpack' );
1847	}
1848
1849	/**
1850	* Add content specific to a service in the head.
1851	*/
1852	public function display_header() {
1853	}
1854
1855	/**
1856	* Guess locale from language code.
1857	*
1858	* @param string $lang Language code.
1859	*
1860	* @return string\|bool
1861	*/
1862	public function guess_locale_from_lang( $lang ) {
1863	if ( 'en' === $lang \|\| 'en_US' === $lang \|\| ! $lang ) {
1864	return 'en_US';
1865	}
1866
1867	if ( ! class_exists( 'GP_Locales' ) ) {
1868	if ( ! defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) \|\| ! file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
1869	return false;
1870	}
1871
1872	require JETPACK__GLOTPRESS_LOCALES_PATH;
1873	}
1874
1875	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
1876	// WP.com: get_locale() returns 'it'
1877	$locale = GP_Locales::by_slug( $lang );
1878	} else {
1879	// Jetpack: get_locale() returns 'it_IT';
1880	$locale = GP_Locales::by_field( 'wp_locale', $lang );
1881	}
1882
1883	if ( ! $locale ) {
1884	return false;
1885	}
1886
1887	if ( empty( $locale->facebook_locale ) ) {
1888	if ( empty( $locale->wp_locale ) ) {
1889	return false;
1890	} else {
1891	// Facebook SDK is smart enough to fall back to en_US if a
1892	// locale isn't supported. Since supported Facebook locales
1893	// can fall out of sync, we'll attempt to use the known
1894	// wp_locale value and rely on said fallback.
1895	return $locale->wp_locale;
1896	}
1897	}
1898
1899	return $locale->facebook_locale;
1900	}
1901
1902	/**
1903	* Get the markup of the sharing button.
1904	*
1905	* @param WP_Post $post Post object.
1906	*
1907	* @return string
1908	*/
1909	public function get_display( $post ) {
1910	if ( $this->smart ) {
1911	$share_url = $this->get_share_url( $post->ID );
1912	$fb_share_html = '<div class="fb-share-button" data-href="' . esc_attr( $share_url ) . '" data-layout="button_count"></div>';
1913	/**
1914	* Filter the output of the Facebook Sharing button.
1915	*
1916	* @module sharedaddy
1917	*
1918	* @since 3.6.0
1919	*
1920	* @param string $fb_share_html Facebook Sharing button HTML.
1921	* @param string $share_url URL of the post to share.
1922	*/
1923	return apply_filters( 'jetpack_sharing_facebook_official_button_output', $fb_share_html, $share_url );
1924	}
1925
1926	/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
1927	if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'facebook' ) ) {
1928	sharing_register_post_for_share_counts( $post->ID );
1929	}
1930	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Facebook', 'share to', 'jetpack' ), __( 'Click to share on Facebook', 'jetpack' ), 'share=facebook', 'sharing-facebook-' . $post->ID );
1931	}
1932
1933	/**
1934	* AMP display for Facebook.
1935	*
1936	* @param \WP_Post $post The current post being viewed.
1937	*/
1938	public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
1939	$attrs = array(
1940	/** This filter is documented in modules/sharedaddy/sharing-sources.php */
1941	'data-param-app_id' => apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' ),
1942	);
1943
1944	return $this->build_amp_markup( $attrs );
1945	}
1946
1947	/**
1948	* Process sharing request. Add actions that need to happen when sharing here.
1949	*
1950	* @param WP_Post $post Post object.
1951	* @param array $post_data Array of information about the post we're sharing.
1952	*
1953	* @return void
1954	*/
1955	public function process_request( $post, array $post_data ) {
1956	$fb_url = $this->http() . '://www.facebook.com/sharer.php?u=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&t=' . rawurlencode( $this->get_share_title( $post->ID ) );
1957
1958	// Record stats
1959	parent::process_request( $post, $post_data );
1960
1961	parent::redirect_request( $fb_url );
1962	}
1963
1964	/**
1965	* Add content specific to a service in the footer.
1966	*/
1967	public function display_footer() {
1968	$this->js_dialog( $this->shortname );
1969	if ( $this->smart ) {
1970	$locale = $this->guess_locale_from_lang( get_locale() );
1971	if ( ! $locale ) {
1972	$locale = 'en_US';
1973	}
1974	/**
1975	* Filter the App ID used in the official Facebook Share button.
1976	*
1977	* @since 3.8.0
1978	*
1979	* @param int $fb_app_id Facebook App ID. Default to 249643311490 (WordPress.com's App ID).
1980	*/
1981	$fb_app_id = apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' );
1982	if ( is_numeric( $fb_app_id ) ) {
1983	$fb_app_id = '&appId=' . $fb_app_id;
1984	} else {
1985	$fb_app_id = '';
1986	}
1987	?>
1988	<div id="fb-root"></div>
1989	<script>(function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = 'https://connect.facebook.net/<?php echo esc_attr( $locale ); ?>/sdk.js#xfbml=1<?php echo esc_attr( $fb_app_id ); ?>&version=v2.3'; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));</script>
1990	<script>
1991	document.body.addEventListener( 'is.post-load', function() {
1992	if ( 'undefined' !== typeof FB ) {
1993	FB.XFBML.parse();
1994	}
1995	} );
1996	</script>
1997	<?php
1998	}
1999	}
2000	}
2001
2002	/**
2003	* Print button.
2004	*/
2005	class Share_Print extends Sharing_Source {
2006	/**
2007	* Service short name.
2008	*
2009	* @var string
2010	*/
2011	public $shortname = 'print';
2012
2013	/**
2014	* Service icon font code.
2015	*
2016	* @var string
2017	*/
2018	public $icon = '\f469';
2019
2020	/**
2021	* Constructor.
2022	*
2023	* @param int $id Sharing source ID.
2024	* @param array $settings Sharing settings.
2025	*/
2026	public function __construct( $id, array $settings ) {
2027	parent::__construct( $id, $settings );
2028
2029	if ( 'official' === $this->button_style ) {
2030	$this->smart = true;
2031	} else {
2032	$this->smart = false;
2033	}
2034	}
2035
2036	/**
2037	* Service name.
2038	*
2039	* @return string
2040	*/
2041	public function get_name() {
2042	return __( 'Print', 'jetpack' );
2043	}
2044
2045	/**
2046	* Get the markup of the sharing button.
2047	*
2048	* @param WP_Post $post Post object.
2049	*
2050	* @return string
2051	*/
2052	public function get_display( $post ) {
2053	return $this->get_link( $this->get_process_request_url( $post->ID ) . ( ( is_single() \|\| is_page() ) ? '#print' : '' ), _x( 'Print', 'share to', 'jetpack' ), __( 'Click to print', 'jetpack' ) );
2054	}
2055
2056	/**
2057	* AMP display for Print.
2058	*
2059	* @param \WP_Post $post The current post being viewed.
2060	*/
2061	public function get_amp_display( $post ) {
2062	if ( empty( $post ) ) {
2063	return false;
2064	}
2065
2066	return '<button class="amp-social-share print" on="tap:AMP.print">Print</button>';
2067	}
2068	}
2069
2070	/**
2071	* Press This Button.
2072	*/
2073	class Share_PressThis extends Sharing_Source {
2074	/**
2075	* Service short name.
2076	*
2077	* @var string
2078	*/
2079	public $shortname = 'pressthis';
2080
2081	/**
2082	* Service icon font code.
2083	*
2084	* @var string
2085	*/
2086	public $icon = '\f205';
2087
2088	/**
2089	* Constructor.
2090	*
2091	* @param int $id Sharing source ID.
2092	* @param array $settings Sharing settings.
2093	*/
2094	public function __construct( $id, array $settings ) {
2095	parent::__construct( $id, $settings );
2096
2097	if ( 'official' === $this->button_style ) {
2098	$this->smart = true;
2099	} else {
2100	$this->smart = false;
2101	}
2102	}
2103
2104	/**
2105	* Service name.
2106	*
2107	* @return string
2108	*/
2109	public function get_name() {
2110	return __( 'Press This', 'jetpack' );
2111	}
2112
2113	/**
2114	* Process sharing request. Add actions that need to happen when sharing here.
2115	*
2116	* @param WP_Post $post Post object.
2117	* @param array $post_data Array of information about the post we're sharing.
2118	*
2119	* @return void
2120	*/
2121	public function process_request( $post, array $post_data ) {
2122	global $current_user;
2123
2124	$primary_blog = (int) get_user_meta( $current_user->ID, 'primary_blog', true );
2125	if ( $primary_blog ) {
2126	$primary_blog_details = get_blog_details( $primary_blog );
2127	} else {
2128	$primary_blog_details = false;
2129	}
2130
2131	if ( $primary_blog_details ) {
2132	$blogs = array( $primary_blog_details );
2133	} elseif ( function_exists( 'get_active_blogs_for_user' ) ) {
2134	$blogs = get_active_blogs_for_user();
2135	if ( empty( $blogs ) ) {
2136	$blogs = get_blogs_of_user( $current_user->ID );
2137	}
2138	} else {
2139	$blogs = get_blogs_of_user( $current_user->ID );
2140	}
2141
2142	if ( empty( $blogs ) ) {
2143	wp_safe_redirect( get_permalink( $post->ID ) );
2144	die();
2145	}
2146
2147	$blog = current( $blogs );
2148
2149	$args = array(
2150	'u' => rawurlencode( $this->get_share_url( $post->ID ) ),
2151	);
2152
2153	$args['url-scan-submit'] = 'Scan';
2154	$args['_wpnonce'] = wp_create_nonce( 'scan-site' );
2155
2156	$url = $blog->siteurl . '/wp-admin/press-this.php';
2157	$url = add_query_arg( $args, $url );
2158
2159	// Record stats
2160	parent::process_request( $post, $post_data );
2161
2162	parent::redirect_request( $url );
2163	}
2164
2165	/**
2166	* Get the markup of the sharing button.
2167	*
2168	* @param WP_Post $post Post object.
2169	*
2170	* @return string
2171	*/
2172	public function get_display( $post ) {
2173	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Press This', 'share to', 'jetpack' ), __( 'Click to Press This!', 'jetpack' ), 'share=press-this' );
2174	}
2175
2176	/**
2177	* No AMP display for PressThis.
2178	*
2179	* @param \WP_Post $post The current post being viewed.
2180	*/
2181	public function get_amp_display( $post ) { // phpcs:ignore
2182	return false;
2183	}
2184	}
2185
2186	/**
2187	* Custom (user-defined) sharing button.
2188	*/
2189	class Share_Custom extends Sharing_Advanced_Source {
2190	/**
2191	* Sharing service name.
2192	*
2193	* @var string
2194	*/
2195	private $name;
2196
2197	/**
2198	* Sharing icon.
2199	*
2200	* @var string
2201	*/
2202	private $icon;
2203
2204	/**
2205	* Sharing service URL.
2206	*
2207	* @var string
2208	*/
2209	private $url;
2210
2211	/**
2212	* Does the service have an official version.
2213	*
2214	* @var bool
2215	*/
2216	public $smart = true;
2217
2218	/**
2219	* Service short name.
2220	*
2221	* @var string
2222	*/
2223	public $shortname;
2224
2225	/**
2226	* Custom sharing class.
2227	*
2228	* @return string
2229	*/
2230	public function get_class() {
2231	return 'custom share-custom-' . sanitize_html_class( strtolower( $this->name ) );
2232	}
2233
2234	/**
2235	* Constructor.
2236	*
2237	* @param int $id Sharing source ID.
2238	* @param array $settings Sharing settings.
2239	*/
2240	public function __construct( $id, array $settings ) {
2241	parent::__construct( $id, $settings );
2242
2243	if ( isset( $settings['name'] ) ) {
2244	$this->name = $settings['name'];
2245	$this->shortname = preg_replace( '/[^a-z0-9]*/', '', $settings['name'] );
2246	}
2247
2248	if ( isset( $settings['icon'] ) ) {
2249	$this->icon = $settings['icon'];
2250
2251	$new_icon = esc_url_raw( wp_specialchars_decode( $this->icon, ENT_QUOTES ) );
2252	$i = 0;
2253	while ( $new_icon !== $this->icon ) {
2254	if ( $i > 5 ) {
2255	$this->icon = false;
2256	break;
2257	} else {
2258	$this->icon = $new_icon;
2259	$new_icon = esc_url_raw( wp_specialchars_decode( $this->icon, ENT_QUOTES ) );
2260	}
2261	++$i;
2262	}
2263	}
2264
2265	if ( isset( $settings['url'] ) ) {
2266	$this->url = $settings['url'];
2267	}
2268	}
2269
2270	/**
2271	* Service name.
2272	*
2273	* @return string
2274	*/
2275	public function get_name() {
2276	return $this->name;
2277	}
2278
2279	/**
2280	* Get the markup of the sharing button.
2281	*
2282	* @param WP_Post $post Post object.
2283	*
2284	* @return string
2285	*/
2286	public function get_display( $post ) {
2287	$str = $this->get_link(
2288	$this->get_process_request_url( $post->ID ),
2289	esc_html( $this->name ),
2290	sprintf(
2291	/* Translators: placeholder is the name of a social network. */
2292	__( 'Click to share on %s', 'jetpack' ),
2293	esc_attr( $this->name )
2294	),
2295	'share=' . $this->id
2296	);
2297	return str_replace( '<span>', '<span style="' . esc_attr( 'background-image:url("' . addcslashes( esc_url_raw( $this->icon ), '"' ) . '");' ) . '">', $str );
2298	}
2299
2300	/**
2301	* No AMP display for custom elements.
2302	*
2303	* @param \WP_Post $post The current post being viewed.
2304	*/
2305	public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
2306	return false;
2307	}
2308
2309	/**
2310	* Process sharing request. Add actions that need to happen when sharing here.
2311	*
2312	* @param WP_Post $post Post object.
2313	* @param array $post_data Array of information about the post we're sharing.
2314	*
2315	* @return void
2316	*/
2317	public function process_request( $post, array $post_data ) {
2318	$url = str_replace( '&', '&', $this->url );
2319	$url = str_replace( '%post_id%', rawurlencode( $post->ID ), $url );
2320	$url = str_replace( '%post_url%', rawurlencode( $this->get_share_url( $post->ID ) ), $url );
2321	$url = str_replace( '%post_full_url%', rawurlencode( get_permalink( $post->ID ) ), $url );
2322	$url = str_replace( '%post_title%', rawurlencode( $this->get_share_title( $post->ID ) ), $url );
2323	$url = str_replace( '%home_url%', rawurlencode( home_url() ), $url );
2324	$url = str_replace( '%post_slug%', rawurlencode( $post->post_name ), $url );
2325
2326	if ( strpos( $url, '%post_tags%' ) !== false ) {
2327	$tags = get_the_tags( $post->ID );
2328	$tagged = '';
2329
2330	if ( $tags ) {
2331	$tagged_raw = array();
2332	foreach ( $tags as $tag ) {
2333	$tagged_raw[] = rawurlencode( $tag->name );
2334	}
2335
2336	$tagged = implode( ',', $tagged_raw );
2337	}
2338
2339	$url = str_replace( '%post_tags%', $tagged, $url );
2340	}
2341
2342	if ( strpos( $url, '%post_excerpt%' ) !== false ) {
2343	$url_excerpt = $post->post_excerpt;
2344	if ( empty( $url_excerpt ) ) {
2345	$url_excerpt = $post->post_content;
2346	}
2347
2348	$url_excerpt = wp_strip_all_tags( strip_shortcodes( $url_excerpt ) );
2349	$url_excerpt = wp_html_excerpt( $url_excerpt, 100 );
2350	$url_excerpt = rtrim( preg_replace( '/[^ .]*$/', '', $url_excerpt ) );
2351	$url = str_replace( '%post_excerpt%', rawurlencode( $url_excerpt ), $url );
2352	}
2353
2354	// Record stats
2355	parent::process_request( $post, $post_data );
2356
2357	parent::redirect_request( $url );
2358	}
2359
2360	/**
2361	* Display options for our sharing buttons.
2362	*
2363	* @return void
2364	*/
2365	public function display_options() {
2366	?>
2367	<div class="input">
2368	<table class="form-table">
2369	<tbody>
2370	<tr>
2371	<th scope="row"><?php esc_html_e( 'Label', 'jetpack' ); ?></th>
2372	<td><input type="text" name="name" value="<?php echo esc_attr( $this->name ); ?>" /></td>
2373	</tr>
2374
2375	<tr>
2376	<th scope="row"><?php esc_html_e( 'URL', 'jetpack' ); ?></th>
2377	<td><input type="text" name="url" value="<?php echo esc_attr( $this->url ); ?>" /></td>
2378	</tr>
2379
2380	<tr>
2381	<th scope="row"><?php esc_html_e( 'Icon', 'jetpack' ); ?></th>
2382	<td><input type="text" name="icon" value="<?php echo esc_attr( $this->icon ); ?>" /></td>
2383	</tr>
2384
2385	<tr>
2386	<th scope="row"></th>
2387	<td>
2388	<input class="button-secondary" type="submit" value="<?php esc_attr_e( 'Save', 'jetpack' ); ?>" />
2389	<a href="#" class="remove"><small><?php esc_html_e( 'Remove Service', 'jetpack' ); ?></small></a>
2390	</td>
2391	</tr>
2392	</tbody>
2393	</table>
2394	</div>
2395	<?php
2396	}
2397
2398	/**
2399	* Sanitize and save options for our sharing buttons.
2400	*
2401	* @param array $data Data to be saved.
2402	*
2403	* @return void
2404	*/
2405	public function update_options( array $data ) {
2406	$name = trim( wp_html_excerpt( wp_kses( stripslashes( $data['name'] ), array() ), 30 ) );
2407	$url = trim( esc_url_raw( $data['url'] ) );
2408	$icon = trim( esc_url_raw( $data['icon'] ) );
2409
2410	if ( $name ) {
2411	$this->name = $name;
2412	}
2413
2414	if ( $url ) {
2415	$this->url = $url;
2416	}
2417
2418	if ( $icon ) {
2419	$this->icon = $icon;
2420	}
2421	}
2422
2423	/**
2424	* Get array of information about the service.
2425	*
2426	* @return array
2427	*/
2428	public function get_options() {
2429	return array(
2430	'name' => $this->name,
2431	'icon' => $this->icon,
2432	'url' => $this->url,
2433	);
2434	}
2435
2436	/**
2437	* Display a preview of the sharing button.
2438	*
2439	* @param bool $echo Whether to echo the output or return it.
2440	* @param bool $force_smart Whether to force the smart (official) services to be shown.
2441	* @param null\|string $button_style Button style.
2442	*
2443	* @return void
2444	*/
2445	public function display_preview( $echo = true, $force_smart = false, $button_style = null ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
2446	$opts = $this->get_options();
2447
2448	$text = ' ';
2449	if ( ! $this->smart ) {
2450	if ( $this->button_style !== 'icon' ) {
2451	$text = $this->get_name();
2452	}
2453	}
2454
2455	$klasses = array( 'share-' . $this->shortname );
2456
2457	if ( $this->button_style === 'icon' \|\| $this->button_style === 'icon-text' ) {
2458	$klasses[] = 'share-icon';
2459	}
2460
2461	if ( $this->button_style === 'icon' ) {
2462	$text = '';
2463	$klasses[] = 'no-text';
2464	}
2465
2466	if ( $this->button_style === 'text' ) {
2467	$klasses[] = 'no-icon';
2468	}
2469
2470	$link = sprintf(
2471	'<a rel="nofollow" class="%s" href="javascript:void(0)" title="%s"><span style="background-image:url("%s") !important;background-position:left center;background-repeat:no-repeat;">%s</span></a>',
2472	esc_attr( implode( ' ', $klasses ) ),
2473	esc_attr( $this->get_name() ),
2474	addcslashes( esc_url_raw( $opts['icon'] ), '"' ),
2475	esc_html( $text )
2476	);
2477	?>
2478	<div class="option option-smart-off">
2479	<?php echo $link; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped above. ?>
2480	</div>
2481	<?php
2482	}
2483	}
2484
2485	/**
2486	* Tumblr sharing service.
2487	*/
2488	class Share_Tumblr extends Sharing_Source {
2489	/**
2490	* Service short name.
2491	*
2492	* @var string
2493	*/
2494	public $shortname = 'tumblr';
2495
2496	/**
2497	* Service icon font code.
2498	*
2499	* @var string
2500	*/
2501	public $icon = '\f214';
2502
2503	/**
2504	* Constructor.
2505	*
2506	* @param int $id Sharing source ID.
2507	* @param array $settings Sharing settings.
2508	*/
2509	public function __construct( $id, array $settings ) {
2510	parent::__construct( $id, $settings );
2511	if ( 'official' === $this->button_style ) {
2512	$this->smart = true;
2513	} else {
2514	$this->smart = false;
2515	}
2516	}
2517
2518	/**
2519	* Service name.
2520	*
2521	* @return string
2522	*/
2523	public function get_name() {
2524	return __( 'Tumblr', 'jetpack' );
2525	}
2526
2527	/**
2528	* Get the markup of the sharing button.
2529	*
2530	* @param WP_Post $post Post object.
2531	*
2532	* @return string
2533	*/
2534	public function get_display( $post ) {
2535	if ( $this->smart ) {
2536	$target = '';
2537	if ( true === $this->open_link_in_new ) {
2538	$target = '_blank';
2539	}
2540
2541	/**
2542	* If we are looking at a single post, let Tumblr figure out the post type (text, photo, link, quote, chat, or video)
2543	* based on the content available on the page.
2544	* If we are not looking at a single post, content from other posts can appear on the page and Tumblr will pick that up.
2545	* In this case, we want Tumblr to focus on our current post, so we will limit the post type to link, where we can give Tumblr a link to our post.
2546	*/
2547	if ( ! is_single() ) {
2548	$posttype = 'data-posttype="link"';
2549	} else {
2550	$posttype = '';
2551	}
2552
2553	// Documentation: https://www.tumblr.com/docs/en/share_button
2554	return sprintf(
2555	'<a class="tumblr-share-button" target="%1$s" href="%2$s" data-title="%3$s" data-content="%4$s" title="%5$s"%6$s>%5$s</a>',
2556	$target,
2557	'https://www.tumblr.com/share',
2558	$this->get_share_title( $post->ID ),
2559	$this->get_share_url( $post->ID ),
2560	__( 'Share on Tumblr', 'jetpack' ),
2561	$posttype
2562	);
2563	} else {
2564	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Tumblr', 'share to', 'jetpack' ), __( 'Click to share on Tumblr', 'jetpack' ), 'share=tumblr' );
2565	}
2566	}
2567
2568	/**
2569	* Process sharing request. Add actions that need to happen when sharing here.
2570	*
2571	* @param WP_Post $post Post object.
2572	* @param array $post_data Array of information about the post we're sharing.
2573	*
2574	* @return void
2575	*/
2576	public function process_request( $post, array $post_data ) {
2577	// Record stats
2578	parent::process_request( $post, $post_data );
2579
2580	// Redirect to Tumblr's sharing endpoint (a la their bookmarklet)
2581	$url = 'https://www.tumblr.com/share?v=3&u=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&t=' . rawurlencode( $this->get_share_title( $post->ID ) ) . '&s=';
2582
2583	parent::redirect_request( $url );
2584	}
2585
2586	/**
2587	* Add content specific to a service in the footer.
2588	*/
2589	public function display_footer() {
2590	if ( $this->smart ) {
2591	// phpcs:disable WordPress.WP.EnqueuedResources.NonEnqueuedScript
2592	?>
2593	<script id="tumblr-js" type="text/javascript" src="https://assets.tumblr.com/share-button.js"></script>
2594	<?php
2595	// phpcs:enable WordPress.WP.EnqueuedResources.NonEnqueuedScript
2596	} else {
2597	$this->js_dialog(
2598	$this->shortname,
2599	array(
2600	'width' => 450,
2601	'height' => 450,
2602	)
2603	);
2604	}
2605	}
2606	}
2607
2608	/**
2609	* Pinterest sharing service.
2610	*/
2611	class Share_Pinterest extends Sharing_Source {
2612	/**
2613	* Service short name.
2614	*
2615	* @var string
2616	*/
2617	public $shortname = 'pinterest';
2618
2619	/**
2620	* Service icon font code.
2621	*
2622	* @var string
2623	*/
2624	public $icon = '\f209';
2625
2626	/**
2627	* Constructor.
2628	*
2629	* @param int $id Sharing source ID.
2630	* @param array $settings Sharing settings.
2631	*/
2632	public function __construct( $id, array $settings ) {
2633	parent::__construct( $id, $settings );
2634	if ( 'official' === $this->button_style ) {
2635	$this->smart = true;
2636	} else {
2637	$this->smart = false;
2638	}
2639	}
2640
2641	/**
2642	* Service name.
2643	*
2644	* @return string
2645	*/
2646	public function get_name() {
2647	return __( 'Pinterest', 'jetpack' );
2648	}
2649
2650	/**
2651	* Get image representative of the post to pass on to Pinterest.
2652	*
2653	* @param WP_Post $post Post object.
2654	*
2655	* @return string
2656	*/
2657	public function get_image( $post ) {
2658	if ( class_exists( 'Jetpack_PostImages' ) ) {
2659	$image = Jetpack_PostImages::get_image( $post->ID, array( 'fallback_to_avatars' => true ) );
2660	if ( ! empty( $image ) ) {
2661	return $image['src'];
2662	}
2663	}
2664
2665	/**
2666	* Filters the default image used by the Pinterest Pin It share button.
2667	*
2668	* @module sharedaddy
2669	*
2670	* @since 3.6.0
2671	*
2672	* @param string $url Default image URL.
2673	*/
2674	return apply_filters( 'jetpack_sharing_pinterest_default_image', 'https://s0.wp.com/i/blank.jpg' );
2675	}
2676
2677	/**
2678	* Get Pinterest external sharing URL.
2679	*
2680	* @param WP_Post $post Post object.
2681	*
2682	* @return string
2683	*/
2684	public function get_external_url( $post ) {
2685	$url = 'https://www.pinterest.com/pin/create/button/?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&media=' . rawurlencode( $this->get_image( $post ) ) . '&description=' . rawurlencode( $post->post_title );
2686
2687	/**
2688	* Filters the Pinterest share URL used in sharing button output.
2689	*
2690	* @module sharedaddy
2691	*
2692	* @since 3.6.0
2693	*
2694	* @param string $url Pinterest share URL.
2695	*/
2696	return apply_filters( 'jetpack_sharing_pinterest_share_url', $url );
2697	}
2698
2699	/**
2700	* Get Pinterest widget type.
2701	*
2702	* @return string
2703	*/
2704	public function get_widget_type() {
2705	/**
2706	* Filters the Pinterest widget type.
2707	*
2708	* @see https://business.pinterest.com/en/widget-builder
2709	*
2710	* @module sharedaddy
2711	*
2712	* @since 3.6.0
2713	*
2714	* @param string $type Pinterest widget type. Default of 'buttonPin' for single-image selection. 'buttonBookmark' for multi-image modal.
2715	*/
2716	return apply_filters( 'jetpack_sharing_pinterest_widget_type', 'buttonPin' );
2717	}
2718
2719	/**
2720	* Get the markup of the sharing button.
2721	*
2722	* @param WP_Post $post Post object.
2723	*
2724	* @return string
2725	*/
2726	public function get_display( $post ) {
2727	$display = '';
2728
2729	if ( $this->smart ) {
2730	$display = sprintf(
2731	'<div class="pinterest_button"><a href="%s" data-pin-do="%s" data-pin-config="beside"><img src="//assets.pinterest.com/images/pidgets/pinit_fg_en_rect_gray_20.png" /></a></div>',
2732	esc_url( $this->get_external_url( $post ) ),
2733	esc_attr( $this->get_widget_type() )
2734	);
2735	} else {
2736	$display = $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Pinterest', 'share to', 'jetpack' ), __( 'Click to share on Pinterest', 'jetpack' ), 'share=pinterest', 'sharing-pinterest-' . $post->ID );
2737	}
2738
2739	/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
2740	if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'linkedin' ) ) {
2741	sharing_register_post_for_share_counts( $post->ID );
2742	}
2743
2744	return $display;
2745	}
2746
2747	/**
2748	* Process sharing request. Add actions that need to happen when sharing here.
2749	*
2750	* @param WP_Post $post Post object.
2751	* @param array $post_data Array of information about the post we're sharing.
2752	*
2753	* @return void
2754	*/
2755	public function process_request( $post, array $post_data ) {
2756	// Record stats
2757	parent::process_request( $post, $post_data );
2758	// If we're triggering the multi-select panel, then we don't need to redirect to Pinterest
2759	if ( ! isset( $_GET['js_only'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
2760	$pinterest_url = esc_url_raw( $this->get_external_url( $post ) );
2761	parent::redirect_request( $pinterest_url );
2762	} else {
2763	echo '// share count bumped';
2764	die();
2765	}
2766	}
2767
2768	/**
2769	* Add content specific to a service in the footer.
2770	*/
2771	public function display_footer() {
2772	/**
2773	* Filter the Pin it button appearing when hovering over images when using the official button style.
2774	*
2775	* @module sharedaddy
2776	*
2777	* @since 3.6.0
2778	*
2779	* @param bool $jetpack_pinit_over True by default, displays the Pin it button when hovering over images.
2780	*/
2781	$jetpack_pinit_over = apply_filters( 'jetpack_pinit_over_button', true );
2782	?>
2783	<?php if ( $this->smart ) : ?>
2784	<script type="text/javascript">
2785	( function () {
2786	// Pinterest shared resources
2787	var s = document.createElement( 'script' );
2788	s.type = 'text/javascript';
2789	s.async = true;
2790	<?php
2791	if ( $jetpack_pinit_over ) {
2792	echo "s.setAttribute( 'data-pin-hover', true );";
2793	}
2794	?>
2795	s.src = window.location.protocol + '//assets.pinterest.com/js/pinit.js';
2796	var x = document.getElementsByTagName( 'script' )[ 0 ];
2797	x.parentNode.insertBefore(s, x);
2798	// if 'Pin it' button has 'counts' make container wider
2799	function init() {
2800	var shares = document.querySelectorAll( 'li.share-pinterest' );
2801	for ( var i = 0; i < shares.length; i++ ) {
2802	var share = shares[ i ];
2803	var countElement = share.querySelector( 'a span' );
2804	if (countElement) {
2805	var countComputedStyle = window.getComputedStyle(countElement);
2806	if ( countComputedStyle.display === 'block' ) {
2807	var countWidth = parseInt( countComputedStyle.width, 10 );
2808	share.style.marginRight = countWidth + 11 + 'px';
2809	}
2810	}
2811	}
2812	}
2813
2814	if ( document.readyState !== 'complete' ) {
2815	document.addEventListener( 'load', init );
2816	} else {
2817	init();
2818	}
2819	} )();
2820	</script>
2821	<?php elseif ( 'buttonPin' !== $this->get_widget_type() ) : ?>
2822	<script type="text/javascript">
2823	( function () {
2824	function init() {
2825	document.body.addEventListener( 'click', function ( e ) {
2826	if ( e.target && (
2827	e.target.matches && e.target.matches( 'a.share-pinterest' ) \|\|
2828	e.target.msMatchesSelector && e.target.msMatchesSelector( 'a.share-pinterest' )
2829	) ) {
2830	e.preventDefault();
2831	// Load Pinterest Bookmarklet code
2832	var s = document.createElement( 'script' );
2833	s.type = 'text/javascript';
2834	s.src = window.location.protocol + '//assets.pinterest.com/js/pinmarklet.js?r=' + ( Math.random() * 99999999 );
2835	var x = document.getElementsByTagName( 'script' )[ 0 ];
2836	x.parentNode.insertBefore( s, x );
2837	// Trigger Stats
2838	var s = document.createElement( 'script' );
2839	s.type = 'text/javascript';
2840	s.src = e.target.href + ( e.target.href.indexOf( '?' ) ? '&' : '?' ) + 'js_only=1';
2841	var x = document.getElementsByTagName( 'script' )[ '0' ];
2842	x.parentNode.insertBefore( s, x );
2843	}
2844	} );
2845	}
2846
2847	if ( document.readyState === 'loading' ) {
2848	document.addEventListener( 'DOMContentLoaded', init );
2849	} else {
2850	init();
2851	}
2852	} )();
2853	</script>
2854	<?php
2855	endif;
2856	}
2857	}
2858
2859	/**
2860	* Pocket sharing service.
2861	*/
2862	class Share_Pocket extends Sharing_Source {
2863	/**
2864	* Service short name.
2865	*
2866	* @var string
2867	*/
2868	public $shortname = 'pocket';
2869
2870	/**
2871	* Service icon font code.
2872	*
2873	* @var string
2874	*/
2875	public $icon = '\f224';
2876
2877	/**
2878	* Constructor.
2879	*
2880	* @param int $id Sharing source ID.
2881	* @param array $settings Sharing settings.
2882	*/
2883	public function __construct( $id, array $settings ) {
2884	parent::__construct( $id, $settings );
2885
2886	if ( 'official' === $this->button_style ) {
2887	$this->smart = true;
2888	} else {
2889	$this->smart = false;
2890	}
2891	}
2892
2893	/**
2894	* Service name.
2895	*
2896	* @return string
2897	*/
2898	public function get_name() {
2899	return __( 'Pocket', 'jetpack' );
2900	}
2901
2902	/**
2903	* Process sharing request. Add actions that need to happen when sharing here.
2904	*
2905	* @param WP_Post $post Post object.
2906	* @param array $post_data Array of information about the post we're sharing.
2907	*
2908	* @return void
2909	*/
2910	public function process_request( $post, array $post_data ) {
2911	// Record stats
2912	parent::process_request( $post, $post_data );
2913
2914	$pocket_url = esc_url_raw( 'https://getpocket.com/save/?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) );
2915
2916	parent::redirect_request( $pocket_url );
2917	}
2918
2919	/**
2920	* Get the markup of the sharing button.
2921	*
2922	* @param WP_Post $post Post object.
2923	*
2924	* @return string
2925	*/
2926	public function get_display( $post ) {
2927	if ( $this->smart ) {
2928	$post_count = 'horizontal';
2929
2930	$button = '';
2931	$button .= '<div class="pocket_button">';
2932	$button .= sprintf( '<a href="https://getpocket.com/save" class="pocket-btn" data-lang="%s" data-save-url="%s" data-pocket-count="%s" >%s</a>', 'en', esc_attr( $this->get_share_url( $post->ID ) ), $post_count, esc_attr__( 'Pocket', 'jetpack' ) );
2933	$button .= '</div>';
2934
2935	return $button;
2936	} else {
2937	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Pocket', 'share to', 'jetpack' ), __( 'Click to share on Pocket', 'jetpack' ), 'share=pocket' );
2938	}
2939	}
2940
2941	/**
2942	* AMP display for Pocket.
2943	*
2944	* @param \WP_Post $post The current post being viewed.
2945	*/
2946	public function get_amp_display( $post ) {
2947	$attrs = array(
2948	'data-share-endpoint' => esc_url_raw( 'https://getpocket.com/save/?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) ),
2949	);
2950
2951	return $this->build_amp_markup( $attrs );
2952	}
2953
2954	/**
2955	* Add content specific to a service in the footer.
2956	*/
2957	public function display_footer() {
2958	if ( $this->smart ) :
2959	?>
2960	<script>
2961	( function () {
2962	var currentScript = document.currentScript;
2963
2964	// Don't use Pocket's default JS as it we need to force init new Pocket share buttons loaded via JS.
2965	function jetpack_sharing_pocket_init() {
2966	var script = document.createElement( 'script' );
2967	var prev = currentScript \|\| document.getElementsByTagName( 'script' )[ 0 ];
2968	script.setAttribute( 'async', true );
2969	script.setAttribute( 'src', 'https://widgets.getpocket.com/v1/j/btn.js?v=1' );
2970	prev.parentNode.insertBefore( script, prev );
2971	}
2972
2973	if ( document.readyState === 'loading' ) {
2974	document.addEventListener( 'DOMContentLoaded', jetpack_sharing_pocket_init );
2975	} else {
2976	jetpack_sharing_pocket_init();
2977	}
2978	document.body.addEventListener( 'is.post-load', jetpack_sharing_pocket_init );
2979	} )();
2980	</script>
2981	<?php
2982	else :
2983	$this->js_dialog(
2984	$this->shortname,
2985	array(
2986	'width' => 450,
2987	'height' => 450,
2988	)
2989	);
2990	endif;
2991	}
2992	}
2993
2994	/**
2995	* Telegram sharing service.
2996	*/
2997	class Share_Telegram extends Sharing_Source {
2998	/**
2999	* Service short name.
3000	*
3001	* @var string
3002	*/
3003	public $shortname = 'telegram';
3004
3005	/**
3006	* Constructor.
3007	*
3008	* @param int $id Sharing source ID.
3009	* @param array $settings Sharing settings.
3010	*/
3011	public function __construct( $id, array $settings ) { // phpcs:ignore Generic.CodeAnalysis.UselessOverridingMethod.Found
3012	parent::__construct( $id, $settings );
3013	}
3014
3015	/**
3016	* Service name.
3017	*
3018	* @return string
3019	*/
3020	public function get_name() {
3021	return __( 'Telegram', 'jetpack' );
3022	}
3023
3024	/**
3025	* Process sharing request. Add actions that need to happen when sharing here.
3026	*
3027	* @param WP_Post $post Post object.
3028	* @param array $post_data Array of information about the post we're sharing.
3029	*
3030	* @return void
3031	*/
3032	public function process_request( $post, array $post_data ) {
3033	// Record stats
3034	parent::process_request( $post, $post_data );
3035
3036	$telegram_url = esc_url_raw( 'https://telegram.me/share/url?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&text=' . rawurlencode( $this->get_share_title( $post->ID ) ) );
3037
3038	parent::redirect_request( $telegram_url );
3039	}
3040
3041	/**
3042	* Get the markup of the sharing button.
3043	*
3044	* @param WP_Post $post Post object.
3045	*
3046	* @return string
3047	*/
3048	public function get_display( $post ) {
3049	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Telegram', 'share to', 'jetpack' ), __( 'Click to share on Telegram', 'jetpack' ), 'share=telegram' );
3050	}
3051
3052	/**
3053	* AMP display for Telegram.
3054	*
3055	* @param \WP_Post $post The current post being viewed.
3056	*/
3057	public function get_amp_display( $post ) {
3058	$attrs = array(
3059	'data-share-endpoint' => esc_url_raw( 'https://telegram.me/share/url?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&text=' . rawurlencode( $this->get_share_title( $post->ID ) ) ),
3060	);
3061
3062	return $this->build_amp_markup( $attrs );
3063	}
3064
3065	/**
3066	* Add content specific to a service in the footer.
3067	*/
3068	public function display_footer() {
3069	$this->js_dialog(
3070	$this->shortname,
3071	array(
3072	'width' => 450,
3073	'height' => 450,
3074	)
3075	);
3076	}
3077	}
3078
3079	/**
3080	* WhatsApp sharing service.
3081	*/
3082	class Jetpack_Share_WhatsApp extends Sharing_Source {
3083	/**
3084	* Service short name.
3085	*
3086	* @var string
3087	*/
3088	public $shortname = 'jetpack-whatsapp';
3089
3090	/**
3091	* Constructor.
3092	*
3093	* @param int $id Sharing source ID.
3094	* @param array $settings Sharing settings.
3095	*/
3096	public function __construct( $id, array $settings ) { // phpcs:ignore Generic.CodeAnalysis.UselessOverridingMethod.Found
3097	parent::__construct( $id, $settings );
3098	}
3099
3100	/**
3101	* Service name.
3102	*
3103	* @return string
3104	*/
3105	public function get_name() {
3106	return __( 'WhatsApp', 'jetpack' );
3107	}
3108
3109	/**
3110	* Get the markup of the sharing button.
3111	*
3112	* @param WP_Post $post Post object.
3113	*
3114	* @return string
3115	*/
3116	public function get_display( $post ) {
3117	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'WhatsApp', 'share to', 'jetpack' ), __( 'Click to share on WhatsApp', 'jetpack' ), 'share=jetpack-whatsapp' );
3118	}
3119
3120	/**
3121	* AMP display for Whatsapp.
3122	*
3123	* @param \WP_Post $post The current post being viewed.
3124	*/
3125	public function get_amp_display( $post ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
3126	$attrs = array(
3127	'type' => 'whatsapp',
3128	);
3129
3130	return $this->build_amp_markup( $attrs );
3131	}
3132
3133	/**
3134	* Process sharing request. Add actions that need to happen when sharing here.
3135	*
3136	* @param WP_Post $post Post object.
3137	* @param array $post_data Array of information about the post we're sharing.
3138	*
3139	* @return void
3140	*/
3141	public function process_request( $post, array $post_data ) {
3142	// Record stats
3143	parent::process_request( $post, $post_data );
3144
3145	// Firefox for desktop doesn't handle the "api.whatsapp.com" URL properly, so use "web.whatsapp.com"
3146	if ( User_Agent_Info::is_firefox_desktop() ) {
3147	$url = 'https://web.whatsapp.com/send?text=';
3148	} else {
3149	$url = 'https://api.whatsapp.com/send?text=';
3150	}
3151
3152	$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );
3153
3154	parent::redirect_request( $url );
3155	}
3156	}
3157
3158	/**
3159	* Skype sharing service.
3160	*/
3161	class Share_Skype extends Deprecated_Sharing_Source {
3162	/**
3163	* Service short name.
3164	*
3165	* @var string
3166	*/
3167	public $shortname = 'skype';
3168
3169	/**
3170	* Service name.
3171	*
3172	* @return string
3173	*/
3174	public function get_name() {
3175	return __( 'Skype', 'jetpack' );
3176	}
3177	}
3178
3179	/**
3180	* Mastodon sharing service.
3181	*/
3182	class Share_Mastodon extends Sharing_Source {
3183	/**
3184	* Service short name.
3185	*
3186	* @var string
3187	*/
3188	public $shortname = 'mastodon';
3189
3190	/**
3191	* Service icon font code.
3192	*
3193	* @var string
3194	*/
3195	public $icon = '\f10a';
3196
3197	/**
3198	* Service name.
3199	*
3200	* @return string
3201	*/
3202	public function get_name() {
3203	return __( 'Mastodon', 'jetpack' );
3204	}
3205
3206	/**
3207	* Get the markup of the sharing button.
3208	*
3209	* @param WP_Post $post Post object.
3210	*
3211	* @return string
3212	*/
3213	public function get_display( $post ) {
3214	return $this->get_link(
3215	$this->get_process_request_url( $post->ID ),
3216	_x( 'Mastodon', 'share to', 'jetpack' ),
3217	__( 'Click to share on Mastodon', 'jetpack' ),
3218	'share=mastodon',
3219	'sharing-mastodon-' . $post->ID
3220	);
3221	}
3222
3223	/**
3224	* Process sharing request. Add actions that need to happen when sharing here.
3225	*
3226	* @param WP_Post $post Post object.
3227	* @param array $post_data Array of information about the post we're sharing.
3228	*
3229	* @return void
3230	*/
3231	public function process_request( $post, array $post_data ) {
3232	if ( empty( $_POST['jetpack-mastodon-instance'] ) ) {
3233	require_once WP_SHARING_PLUGIN_DIR . 'services/class-jetpack-mastodon-modal.php';
3234	add_action( 'template_redirect', array( 'Jetpack_Mastodon_Modal', 'modal' ) );
3235	return;
3236	}
3237
3238	check_admin_referer( 'jetpack_share_mastodon_instance' );
3239
3240	$mastodon_instance = isset( $_POST['jetpack-mastodon-instance'] )
3241	? trailingslashit( sanitize_text_field( wp_unslash( $_POST['jetpack-mastodon-instance'] ) ) )
3242	: null;
3243
3244	$post_title = $this->get_share_title( $post->ID );
3245	$post_link = $this->get_share_url( $post->ID );
3246	$post_tags = $this->get_share_tags( $post->ID );
3247
3248	/**
3249	* Allow filtering the default message that gets posted to Mastodon.
3250	*
3251	* @module sharedaddy
3252	* @since 11.9
3253	*
3254	* @param string $share_url The default message that gets posted to Mastodon.
3255	* @param WP_Post $post The post object.
3256	* @param array $post_data Array of information about the post we're sharing.
3257	*/
3258	$shared_message = apply_filters(
3259	'jetpack_sharing_mastodon_default_message',
3260	$post_title . ' ' . $post_link . ' ' . $post_tags,
3261	$post,
3262	$post_data
3263	);
3264
3265	$share_url = sprintf(
3266	'%1$sshare?text=%2$s',
3267	$mastodon_instance,
3268	rawurlencode( $shared_message )
3269	);
3270
3271	// Record stats
3272	parent::process_request( $post, $post_data );
3273
3274	parent::redirect_request( $share_url );
3275	}
3276
3277	/**
3278	* Add content specific to a service in the footer.
3279	*/
3280	public function display_footer() {
3281	$this->js_dialog(
3282	$this->shortname,
3283	array(
3284	'width' => 460,
3285	'height' => 400,
3286	)
3287	);
3288	}
3289	}
3290
3291	/**
3292	* Nextdoor sharing service.
3293	*/
3294	class Share_Nextdoor extends Sharing_Source {
3295	/**
3296	* Service short name.
3297	*
3298	* @var string
3299	*/
3300	public $shortname = 'nextdoor';
3301
3302	/**
3303	* Service icon font code.
3304	*
3305	* @var string
3306	*/
3307	public $icon = '\f10c';
3308
3309	/**
3310	* Service name.
3311	*
3312	* @return string
3313	*/
3314	public function get_name() {
3315	return __( 'Nextdoor', 'jetpack' );
3316	}
3317
3318	/**
3319	* Get the markup of the sharing button.
3320	*
3321	* @param WP_Post $post Post object.
3322	*
3323	* @return string
3324	*/
3325	public function get_display( $post ) {
3326	return $this->get_link(
3327	$this->get_process_request_url( $post->ID ),
3328	_x( 'Nextdoor', 'share to', 'jetpack' ),
3329	__( 'Click to share on Nextdoor', 'jetpack' ),
3330	'share=nextdoor',
3331	'sharing-nextdoor-' . $post->ID
3332	);
3333	}
3334
3335	/**
3336	* Process sharing request. Add actions that need to happen when sharing here.
3337	*
3338	* @param WP_Post $post Post object.
3339	* @param array $post_data Array of information about the post we're sharing.
3340	*
3341	* @return void
3342	*/
3343	public function process_request( $post, array $post_data ) {
3344	// Record stats
3345	parent::process_request( $post, $post_data );
3346
3347	$url = 'https://nextdoor.com/sharekit/?source=jetpack&body=';
3348	$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );
3349
3350	parent::redirect_request( $url );
3351	}
3352	}
3353
3354	/**
3355	* Threads sharing service.
3356	*/
3357	class Share_Threads extends Sharing_Source {
3358	/**
3359	* Service short name.
3360	*
3361	* @var string
3362	*/
3363	public $shortname = 'threads';
3364
3365	/**
3366	* Service icon font code.
3367	*
3368	* @var string
3369	*/
3370	public $icon = '\f10d';
3371
3372	/**
3373	* Service name.
3374	*
3375	* @return string
3376	*/
3377	public function get_name() {
3378	return __( 'Threads', 'jetpack' );
3379	}
3380
3381	/**
3382	* Get the markup of the sharing button.
3383	*
3384	* @param WP_Post $post Post object.
3385	*
3386	* @return string
3387	*/
3388	public function get_display( $post ) {
3389	return $this->get_link(
3390	$this->get_process_request_url( $post->ID ),
3391	_x( 'Threads', 'share to', 'jetpack' ),
3392	__( 'Click to share on Threads', 'jetpack' ),
3393	'share=threads',
3394	'sharing-threads-' . $post->ID
3395	);
3396	}
3397
3398	/**
3399	* Process sharing request. Add actions that need to happen when sharing here.
3400	*
3401	* @param WP_Post $post Post object.
3402	* @param array $post_data Array of information about the post we're sharing.
3403	*
3404	* @return void
3405	*/
3406	public function process_request( $post, array $post_data ) {
3407	// Record stats
3408	parent::process_request( $post, $post_data );
3409
3410	$url = 'https://threads.net/intent/post?text=';
3411	$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );
3412
3413	parent::redirect_request( $url );
3414	}
3415
3416	/**
3417	* Add content specific to a service in the footer.
3418	*/
3419	public function display_footer() {
3420	$this->js_dialog( $this->shortname );
3421	}
3422	}
3423
3424	/**
3425	* Bluesky sharing service.
3426	*/
3427	class Share_Bluesky extends Sharing_Source {
3428	/**
3429	* Service short name.
3430	*
3431	* @var string
3432	*/
3433	public $shortname = 'bluesky';
3434
3435	/**
3436	* Service icon font code.
3437	*
3438	* @var string
3439	*/
3440	public $icon = '\f10f';
3441
3442	/**
3443	* Service name.
3444	*
3445	* @return string
3446	*/
3447	public function get_name() {
3448	return __( 'Bluesky', 'jetpack' );
3449	}
3450
3451	/**
3452	* Get the markup of the sharing button.
3453	*
3454	* @param WP_Post $post Post object.
3455	*
3456	* @return string
3457	*/
3458	public function get_display( $post ) {
3459	return $this->get_link(
3460	$this->get_process_request_url( $post->ID ),
3461	_x( 'Bluesky', 'share to', 'jetpack' ),
3462	__( 'Click to share on Bluesky', 'jetpack' ),
3463	'share=bluesky',
3464	'sharing-bluesky-' . $post->ID
3465	);
3466	}
3467
3468	/**
3469	* Process sharing request. Add actions that need to happen when sharing here.
3470	*
3471	* @param WP_Post $post Post object.
3472	* @param array $post_data Array of information about the post we're sharing.
3473	*
3474	* @return void
3475	*/
3476	public function process_request( $post, array $post_data ) {
3477	// Record stats
3478	parent::process_request( $post, $post_data );
3479
3480	$url = 'https://bsky.app/intent/compose?text=';
3481	$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );
3482
3483	parent::redirect_request( $url );
3484	}
3485
3486	/**
3487	* Add content specific to a service in the footer.
3488	*/
3489	public function display_footer() {
3490	$this->js_dialog( $this->shortname );
3491	}
3492	}
3493