jetpack / modules / sharedaddy / sharing-sources.php

sharing-sources.php in Jetpack – WP Security, Backup, Speed, & Growth 7.7, at modules/sharedaddy/sharing-sources.php

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1	<?php
2
3	abstract class Sharing_Source {
4	public $button_style;
5	public $smart;
6	protected $open_link_in_new;
7	protected $id;
8
9	public function __construct( $id, array $settings ) {
10	$this->id = $id;
11	/**
12	* Filter the way sharing links open.
13	*
14	* By default, sharing links open in a new window.
15	*
16	* @module sharedaddy
17	*
18	* @since 3.4.0
19	*
20	* @param bool true Should Sharing links open in a new window. Default to true.
21	*/
22	$this->open_link_in_new = apply_filters( 'jetpack_open_sharing_in_new_window', true );
23
24	if ( isset( $settings['button_style'] ) ) {
25	$this->button_style = $settings['button_style'];
26	}
27
28	if ( isset( $settings['smart'] ) ) {
29	$this->smart = $settings['smart'];
30	}
31	}
32
33	public function is_deprecated() {
34	return false;
35	}
36
37	public function http() {
38	return is_ssl() ? 'https' : 'http';
39	}
40
41	public function get_id() {
42	return $this->id;
43	}
44
45	public function get_class() {
46	return $this->id;
47	}
48
49	public function get_share_url( $post_id ) {
50	/**
51	* Filter the sharing permalink.
52	*
53	* @module sharedaddy
54	*
55	* @since 1.2.0
56	*
57	* @param string get_permalink( $post_id ) Post Permalink.
58	* @param int $post_id Post ID.
59	* @param int $this->id Sharing ID.
60	*/
61	return apply_filters( 'sharing_permalink', get_permalink( $post_id ), $post_id, $this->id );
62	}
63
64	public function get_share_title( $post_id ) {
65	$post = get_post( $post_id );
66	/**
67	* Filter the sharing title.
68	*
69	* @module sharedaddy
70	*
71	* @since 2.8.0
72	*
73	* @param string $post->post_title Post Title.
74	* @param int $post_id Post ID.
75	* @param int $this->id Sharing ID.
76	*/
77	$title = apply_filters( 'sharing_title', $post->post_title, $post_id, $this->id );
78
79	return html_entity_decode( wp_kses( $title, null ) );
80	}
81
82	public function has_custom_button_style() {
83	return false;
84	}
85
86	public function get_link( $url, $text, $title, $query = '', $id = false ) {
87	$args = func_get_args();
88	$klasses = array( 'share-' . $this->get_class(), 'sd-button' );
89
90	if ( 'icon' == $this->button_style \|\| 'icon-text' == $this->button_style ) {
91	$klasses[] = 'share-icon';
92	}
93
94	if ( 'icon' == $this->button_style ) {
95	$text = $title;
96	$klasses[] = 'no-text';
97
98	if ( true == $this->open_link_in_new ) {
99	$text .= __( ' (Opens in new window)', 'jetpack' );
100	}
101	}
102
103	/**
104	* Filter the sharing display ID.
105	*
106	* @module sharedaddy
107	*
108	* @since 3.4.0
109	*
110	* @param int\|false $id Sharing ID.
111	* @param object $this Sharing service properties.
112	* @param array $args Array of sharing service options.
113	*/
114	$id = apply_filters( 'jetpack_sharing_display_id', $id, $this, $args );
115	/**
116	* Filter the sharing display link.
117	*
118	* @module sharedaddy
119	*
120	* @since 2.8.0
121	*
122	* @param string $url Post URL.
123	* @param object $this Sharing service properties.
124	* @param int\|false $id Sharing ID.
125	* @param array $args Array of sharing service options.
126	*/
127	$url = apply_filters( 'sharing_display_link', $url, $this, $id, $args ); // backwards compatibility
128	/**
129	* Filter the sharing display link.
130	*
131	* @module sharedaddy
132	*
133	* @since 2.8.0
134	*
135	* @param string $url Post URL.
136	* @param object $this Sharing service properties.
137	* @param int\|false $id Sharing ID.
138	* @param array $args Array of sharing service options.
139	*/
140	$url = apply_filters( 'jetpack_sharing_display_link', $url, $this, $id, $args );
141	/**
142	* Filter the sharing display query.
143	*
144	* @module sharedaddy
145	*
146	* @since 2.8.0
147	*
148	* @param string $query Sharing service URL parameter.
149	* @param object $this Sharing service properties.
150	* @param int\|false $id Sharing ID.
151	* @param array $args Array of sharing service options.
152	*/
153	$query = apply_filters( 'jetpack_sharing_display_query', $query, $this, $id, $args );
154
155	if ( ! empty( $query ) ) {
156	if ( false === stripos( $url, '?' ) ) {
157	$url .= '?' . $query;
158	} else {
159	$url .= '&' . $query;
160	}
161	}
162
163	if ( 'text' == $this->button_style ) {
164	$klasses[] = 'no-icon';
165	}
166
167	/**
168	* Filter the sharing display classes.
169	*
170	* @module sharedaddy
171	*
172	* @since 3.4.0
173	*
174	* @param array $klasses Sharing service classes.
175	* @param object $this Sharing service properties.
176	* @param int\|false $id Sharing ID.
177	* @param array $args Array of sharing service options.
178	*/
179	$klasses = apply_filters( 'jetpack_sharing_display_classes', $klasses, $this, $id, $args );
180	/**
181	* Filter the sharing display title.
182	*
183	* @module sharedaddy
184	*
185	* @since 3.4.0
186	*
187	* @param string $title Sharing service title.
188	* @param object $this Sharing service properties.
189	* @param int\|false $id Sharing ID.
190	* @param array $args Array of sharing service options.
191	*/
192	$title = apply_filters( 'jetpack_sharing_display_title', $title, $this, $id, $args );
193	/**
194	* Filter the sharing display text.
195	*
196	* @module sharedaddy
197	*
198	* @since 3.4.0
199	*
200	* @param string $text Sharing service text.
201	* @param object $this Sharing service properties.
202	* @param int\|false $id Sharing ID.
203	* @param array $args Array of sharing service options.
204	*/
205	$text = apply_filters( 'jetpack_sharing_display_text', $text, $this, $id, $args );
206
207	return sprintf(
208	'<a rel="nofollow%s" data-shared="%s" class="%s" href="%s"%s title="%s"><span%s>%s</span></a>',
209	( true == $this->open_link_in_new ) ? ' noopener noreferrer' : '',
210	( $id ? esc_attr( $id ) : '' ),
211	implode( ' ', $klasses ),
212	$url,
213	( true == $this->open_link_in_new ) ? ' target="_blank"' : '',
214	$title,
215	( 'icon' == $this->button_style ) ? '></span><span class="sharing-screen-reader-text"' : '',
216	$text
217	);
218	}
219
220	/**
221	* Get an unfiltered post permalink to use when generating a sharing URL with get_link.
222	* Use instead of get_share_url for non-official styles as get_permalink ensures that process_request
223	* will be executed more reliably, in the case that the filtered URL uses a service that strips query parameters.
224	*
225	* @since 3.7.0
226	* @param int $post_id Post ID.
227	* @uses get_permalink
228	* @return string get_permalink( $post_id ) Post permalink.
229	*/
230	public function get_process_request_url( $post_id ) {
231	return get_permalink( $post_id );
232	}
233
234	abstract public function get_name();
235	abstract public function get_display( $post );
236
237	public function display_header() {
238	}
239
240	public function display_footer() {
241	}
242
243	public function has_advanced_options() {
244	return false;
245	}
246
247	public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
248	$text = ' ';
249	$button_style = ( ! empty( $button_style ) ) ? $button_style : $this->button_style;
250	if ( ! $this->smart && ! $force_smart ) {
251	if ( $button_style != 'icon' ) {
252	$text = $this->get_name();
253	}
254	}
255
256	$klasses = array( 'share-' . $this->get_class(), 'sd-button' );
257
258	if ( $button_style == 'icon' \|\| $button_style == 'icon-text' ) {
259	$klasses[] = 'share-icon';
260	}
261
262	if ( $button_style == 'icon' ) {
263	$klasses[] = 'no-text';
264	}
265
266	if ( $button_style == 'text' ) {
267	$klasses[] = 'no-icon';
268	}
269
270	$is_deprecated = $this->is_deprecated();
271
272	$link = sprintf(
273	'<a rel="nofollow" class="%s" href="javascript:void(0)" title="%s"><span>%s</span></a>',
274	implode( ' ', $klasses ),
275	esc_attr(
276	$is_deprecated
277	? sprintf( __( 'The %1$s service has shut down. This sharing button is not displayed to your visitors and should be removed.', 'jetpack' ), $this->get_name() )
278	: $this->get_name()
279	),
280	esc_html(
281	$is_deprecated
282	? sprintf( __( '%1$s has shut down', 'jetpack' ), $this->get_name() )
283	: $text
284	)
285	);
286
287	$smart = ( $this->smart \|\| $force_smart ) ? 'on' : 'off';
288	$return = "<div class='option option-smart-$smart'>$link</div>";
289	if ( $echo ) {
290	echo $return;
291	}
292
293	return $return;
294	}
295
296	public function get_total( $post = false ) {
297	global $wpdb, $blog_id;
298
299	$name = strtolower( $this->get_id() );
300
301	if ( $post == false ) {
302	// get total number of shares for service
303	return (int) $wpdb->get_var( $wpdb->prepare( 'SELECT SUM( count ) FROM sharing_stats WHERE blog_id = %d AND share_service = %s', $blog_id, $name ) );
304	}
305
306	// get total shares for a post
307	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 ) );
308	}
309
310	public function get_posts_total() {
311	global $wpdb, $blog_id;
312
313	$totals = array();
314	$name = strtolower( $this->get_id() );
315
316	$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 ) );
317
318	if ( ! empty( $my_data ) ) {
319	foreach ( $my_data as $row ) {
320	$totals[] = new Sharing_Post_Total( $row->id, $row->total );
321	}
322	}
323
324	usort( $totals, array( 'Sharing_Post_Total', 'cmp' ) );
325
326	return $totals;
327	}
328
329	public function process_request( $post, array $post_data ) {
330	/**
331	* Fires when a post is shared via one of the sharing buttons.
332	*
333	* @module sharedaddy
334	*
335	* @since 1.1.0
336	*
337	* @param array $args Aray of information about the sharing service.
338	*/
339	do_action( 'sharing_bump_stats', array( 'service' => $this, 'post' => $post ) );
340	}
341
342	public function js_dialog( $name, $params = array() ) {
343	if ( true !== $this->open_link_in_new ) {
344	return;
345	}
346
347	$defaults = array(
348	'menubar' => 1,
349	'resizable' => 1,
350	'width' => 600,
351	'height' => 400,
352	);
353	$params = array_merge( $defaults, $params );
354	$opts = array();
355	foreach ( $params as $key => $val ) {
356	$opts[] = "$key=$val";
357	}
358	$opts = implode( ',', $opts );
359
360	// Add JS after sharing-js has been enqueued.
361	wp_add_inline_script( 'sharing-js',
362	"var windowOpen;
363	jQuery( document.body ).on( 'click', 'a.share-$name', function() {
364	// If there's another sharing window open, close it.
365	if ( 'undefined' !== typeof windowOpen ) {
366	windowOpen.close();
367	}
368	windowOpen = window.open( jQuery( this ).attr( 'href' ), 'wpcom$name', '$opts' );
369	return false;
370	});"
371	);
372	}
373	}
374
375	abstract class Deprecated_Sharing_Source extends Sharing_Source {
376	public $button_style = 'text';
377	public $smart = false;
378	protected $open_link_in_new = false;
379	protected $id;
380	protected $deprecated = true;
381
382	final public function __construct( $id, array $settings ) {
383	$this->id = $id;
384
385	if ( isset( $settings['button_style'] ) ) {
386	$this->button_style = $settings['button_style'];
387	}
388	}
389
390	final public function is_deprecated() {
391	return true;
392	}
393
394	final public function get_share_url( $post_id ) {
395	return get_permalink( $post_id );
396	}
397
398	final public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
399	return parent::display_preview( $echo, false, $button_style );
400	}
401
402	final public function get_total( $post = false ) {
403	return 0;
404	}
405
406	final public function get_posts_total() {
407	return 0;
408	}
409
410	final public function process_request( $post, array $post_data ) {
411	parent::process_request( $post, $post_data );
412	}
413
414	final public function get_display( $post ) {
415	if ( current_user_can( 'manage_options' ) ) {
416	return $this->display_deprecated( $post );
417	}
418
419	return '';
420	}
421
422	public function display_deprecated( $post ) {
423	return $this->get_link(
424	$this->get_share_url( $post->ID ),
425	sprintf( __( '%1$s has shut down', 'jetpack' ), $this->get_name() ),
426	sprintf( __( 'The %1$s service has shut down. This sharing button is not displayed to your visitors and should be removed.', 'jetpack' ), $this->get_name() )
427	);
428	}
429	}
430
431	abstract class Sharing_Advanced_Source extends Sharing_Source {
432	public function has_advanced_options() {
433	return true;
434	}
435
436	abstract public function display_options();
437	abstract public function update_options( array $data );
438	abstract public function get_options();
439	}
440
441	class Share_Email extends Sharing_Source {
442	public $shortname = 'email';
443	public $icon = '\f410';
444	public function __construct( $id, array $settings ) {
445	parent::__construct( $id, $settings );
446
447	if ( 'official' == $this->button_style ) {
448	$this->smart = true;
449	} else {
450	$this->smart = false;
451	}
452	}
453
454	public function get_name() {
455	return _x( 'Email', 'as sharing source', 'jetpack' );
456	}
457
458	// Default does nothing
459	public function process_request( $post, array $post_data ) {
460	$ajax = false;
461	if ( isset( $_SERVER['HTTP_X_REQUESTED_WITH'] ) && strtolower( $_SERVER['HTTP_X_REQUESTED_WITH'] ) == 'xmlhttprequest' ) {
462	$ajax = true;
463	}
464
465	$source_email = $target_email = $source_name = false;
466
467	if ( isset( $post_data['source_email'] ) && is_email( $post_data['source_email'] ) ) {
468	$source_email = $post_data['source_email'];
469	}
470
471	if ( isset( $post_data['target_email'] ) && is_email( $post_data['target_email'] ) ) {
472	$target_email = $post_data['target_email'];
473	}
474
475	if ( isset( $post_data['source_name'] ) && strlen( $post_data['source_name'] ) < 200 ) {
476	$source_name = $post_data['source_name'];
477	} elseif ( isset( $post_data['source_name'] ) ) {
478	$source_name = substr( $post_data['source_name'], 0, 200 );
479	} else {
480	$source_name = '';
481	}
482
483	// Test email
484	$error = 1; // Failure in data
485	if ( empty( $post_data['source_f_name'] ) && $source_email && $target_email && $source_name ) {
486	/**
487	* Allow plugins to stop the email sharing button from running the shared message through Akismet.
488	*
489	* @module sharedaddy
490	*
491	* @since 1.1.0
492	*
493	* @param bool true Should we check if the message isn't spam?
494	* @param object $post Post information.
495	* @param array $post_data Information about the shared message.
496	*/
497	if ( apply_filters( 'sharing_email_check', true, $post, $post_data ) ) {
498	$data = array(
499	'post' => $post,
500	'source' => $source_email,
501	'target' => $target_email,
502	'name' => $source_name,
503	'sharing_source' => $this,
504	);
505	// todo: implement an error message when email doesn't get sent.
506	/**
507	* Filter whether an email can be sent from the Email sharing button.
508	*
509	* @module sharedaddy
510	*
511	* @since 1.1.0
512	*
513	* @param array $data Array of information about the shared message.
514	*/
515	if ( ( $data = apply_filters( 'sharing_email_can_send', $data ) ) !== false ) {
516	// Record stats
517	parent::process_request( $data['post'], $post_data );
518
519	/**
520	* Fires when an email is sent via the Email sharing button.
521	*
522	* @module sharedaddy
523	*
524	* @since 1.1.0
525	*
526	* @param array $data Array of information about the shared message.
527	*/
528	do_action( 'sharing_email_send_post', $data );
529	}
530
531	// Return a positive regardless of whether the user is subscribed or not
532	if ( $ajax ) {
533	?>
534	<div class="response">
535	<div class="response-title"><?php _e( 'This post has been shared!', 'jetpack' ); ?></div>
536	<div class="response-sub"><?php printf( __( 'You have shared this post with %s', 'jetpack' ), esc_html( $target_email ) ); ?></div>
537	<div class="response-close"><a href="#" class="sharing_cancel"><?php _e( 'Close', 'jetpack' ); ?></a></div>
538	</div>
539	<?php
540	} else {
541	wp_safe_redirect( get_permalink( $post->ID ) . '?shared=email' );
542	}
543
544	die();
545	} else {
546	$error = 2; // Email check failed
547	}
548	}
549
550	if ( $ajax ) {
551	echo $error;
552	} else {
553	wp_safe_redirect( get_permalink( $post->ID ) . '?shared=email&msg=fail' );
554	}
555
556	die();
557	}
558
559	public function get_display( $post ) {
560	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Email', 'share to', 'jetpack' ), __( 'Click to email this to a friend', 'jetpack' ), 'share=email' );
561	}
562
563	/**
564	* Outputs the hidden email dialog
565	*/
566	public function display_footer() {
567	global $current_user;
568
569	$visible = $status = false;
570	?>
571	<div id="sharing_email" style="display: none;">
572	<form action="<?php echo esc_url( $_SERVER['REQUEST_URI'] ); ?>" method="post">
573	<label for="target_email"><?php _e( 'Send to Email Address', 'jetpack' ) ?></label>
574	<input type="email" name="target_email" id="target_email" value="" />
575
576	<?php if ( is_user_logged_in() ) : ?>
577	<input type="hidden" name="source_name" value="<?php echo esc_attr( $current_user->display_name ); ?>" />
578	<input type="hidden" name="source_email" value="<?php echo esc_attr( $current_user->user_email ); ?>" />
579	<?php else : ?>
580
581	<label for="source_name"><?php _e( 'Your Name', 'jetpack' ) ?></label>
582	<input type="text" name="source_name" id="source_name" value="" />
583
584	<label for="source_email"><?php _e( 'Your Email Address', 'jetpack' ) ?></label>
585	<input type="email" name="source_email" id="source_email" value="" />
586
587	<?php endif; ?>
588	<input type="text" id="jetpack-source_f_name" name="source_f_name" class="input" value="" size="25" autocomplete="off" title="<?php esc_attr_e( 'This field is for validation and should not be changed', 'jetpack' ); ?>" />
589	<?php
590	/**
591	* Fires when the Email sharing dialog is loaded.
592	*
593	* @module sharedaddy
594	*
595	* @since 1.1.0
596	*
597	* @param string jetpack Eail sharing source.
598	*/
599	do_action( 'sharing_email_dialog', 'jetpack' );
600	?>
601
602	<img style="float: right; display: none" class="loading" src="<?php
603	/** This filter is documented in modules/stats.php */
604	echo apply_filters( 'jetpack_static_url', plugin_dir_url( __FILE__ ) . 'images/loading.gif' ); ?>" alt="loading" width="16" height="16" />
605	<input type="submit" value="<?php esc_attr_e( 'Send Email', 'jetpack' ); ?>" class="sharing_send" />
606	<a rel="nofollow" href="#cancel" class="sharing_cancel" role="button"><?php _e( 'Cancel', 'jetpack' ); ?></a>
607
608	<div class="errors errors-1" style="display: none;">
609	<?php _e( 'Post was not sent - check your email addresses!', 'jetpack' ); ?>
610	</div>
611
612	<div class="errors errors-2" style="display: none;">
613	<?php _e( 'Email check failed, please try again', 'jetpack' ); ?>
614	</div>
615
616	<div class="errors errors-3" style="display: none;">
617	<?php _e( 'Sorry, your blog cannot share posts by email.', 'jetpack' ); ?>
618	</div>
619	</form>
620	</div>
621	<?php
622	}
623	}
624
625	class Share_Twitter extends Sharing_Source {
626	public $shortname = 'twitter';
627	public $icon = '\f202';
628	// 'https://dev.twitter.com/rest/reference/get/help/configuration' ( 2015/02/06 ) short_url_length is 22, short_url_length_https is 23
629	public $short_url_length = 24;
630
631	public function __construct( $id, array $settings ) {
632	parent::__construct( $id, $settings );
633
634	if ( 'official' == $this->button_style ) {
635	$this->smart = true;
636	} else {
637	$this->smart = false;
638	}
639	}
640
641	public function get_name() {
642	return __( 'Twitter', 'jetpack' );
643	}
644
645	/**
646	* Determine the Twitter 'via' value for a post.
647	*
648	* @param WP_Post\|int $post Post object or post ID.
649	* @return string Twitter handle without the preceding @.
650	**/
651	public static function sharing_twitter_via( $post ) {
652	$post = get_post( $post );
653	/**
654	* Allow third-party plugins to customize the Twitter username used as "twitter:site" Twitter Card Meta Tag.
655	*
656	* @module sharedaddy
657	*
658	* @since 3.0.0
659	*
660	* @param string $string Twitter Username.
661	* @param array $args Array of Open Graph Meta Tags and Twitter Cards tags.
662	*/
663	$twitter_site_tag_value = apply_filters(
664	'jetpack_twitter_cards_site_tag',
665	'',
666	/** This action is documented in modules/sharedaddy/sharing-sources.php */
667	array( 'twitter:creator' => apply_filters( 'jetpack_sharing_twitter_via', '', $post->ID ) )
668	);
669
670	/*
671	* Hack to remove the unwanted behavior of adding 'via @jetpack' which
672	* was introduced with the adding of the Twitter cards.
673	* This should be a temporary solution until a better method is setup.
674	*/
675	if ( 'jetpack' == $twitter_site_tag_value ) {
676	$twitter_site_tag_value = '';
677	}
678
679	/**
680	* Filters the Twitter username used as "via" in the Twitter sharing button.
681	*
682	* @module sharedaddy
683	*
684	* @since 1.7.0
685	*
686	* @param string $twitter_site_tag_value Twitter Username.
687	* @param int $post->ID Post ID.
688	*/
689	$twitter_site_tag_value = apply_filters( 'jetpack_sharing_twitter_via', $twitter_site_tag_value, $post->ID );
690
691	// Strip out anything other than a letter, number, or underscore.
692	// This will prevent the inadvertent inclusion of an extra @, as well as normalizing the handle.
693	return preg_replace( '/[^\da-z_]+/i', '', $twitter_site_tag_value );
694	}
695
696	/**
697	* Determine the 'related' Twitter accounts for a post.
698	*
699	* @param WP_Post\|int $post Post object or post ID.
700	* @return string Comma-separated list of Twitter handles.
701	**/
702	public static function get_related_accounts( $post ) {
703	$post = get_post( $post );
704	/**
705	* Filter the list of related Twitter accounts added to the Twitter sharing button.
706	*
707	* @module sharedaddy
708	*
709	* @since 1.7.0
710	*
711	* @param array $args Array of Twitter usernames. Format is 'username' => 'Optional description'
712	* @param int $post->ID Post ID.
713	*/
714	$related_accounts = apply_filters( 'jetpack_sharing_twitter_related', array(), $post->ID );
715
716	// Example related string: account1,account2:Account 2 description,account3
717	$related = array();
718
719	foreach ( $related_accounts as $related_account_username => $related_account_description ) {
720	// Join the description onto the end of the username
721	if ( $related_account_description ) {
722	$related_account_username .= ':' . $related_account_description;
723	}
724
725	$related[] = $related_account_username;
726	}
727
728	return implode( ',', $related );
729	}
730
731	public function get_display( $post ) {
732	$via = $this->sharing_twitter_via( $post );
733
734	if ( $via ) {
735	$via = 'data-via="' . esc_attr( $via ) . '"';
736	} else {
737	$via = '';
738	}
739
740	$related = $this->get_related_accounts( $post );
741	if ( ! empty( $related ) && $related !== $via ) {
742	$related = 'data-related="' . esc_attr( $related ) . '"';
743	} else {
744	$related = '';
745	}
746
747	if ( $this->smart ) {
748	$share_url = $this->get_share_url( $post->ID );
749	$post_title = $this->get_share_title( $post->ID );
750	return sprintf(
751	'<a href="https://twitter.com/share" class="twitter-share-button" data-url="%1$s" data-text="%2$s" %3$s %4$s>Tweet</a>',
752	esc_url( $share_url ),
753	esc_attr( $post_title ),
754	$via,
755	$related
756	);
757	} else {
758	if (
759	/**
760	* Allow plugins to disable sharing counts for specific sharing services.
761	*
762	* @module sharedaddy
763	*
764	* @since 3.0.0
765	*
766	* @param bool true Should sharing counts be enabled for this specific service. Default to true.
767	* @param int $post->ID Post ID.
768	* @param string $str Sharing service name.
769	*/
770	apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'twitter' )
771	) {
772	sharing_register_post_for_share_counts( $post->ID );
773	}
774	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 );
775	}
776	}
777
778	public function process_request( $post, array $post_data ) {
779	$post_title = $this->get_share_title( $post->ID );
780	$post_link = $this->get_share_url( $post->ID );
781
782	if ( function_exists( 'mb_stripos' ) ) {
783	$strlen = 'mb_strlen';
784	$substr = 'mb_substr';
785	} else {
786	$strlen = 'strlen';
787	$substr = 'substr';
788	}
789
790	$via = $this->sharing_twitter_via( $post );
791	$related = $this->get_related_accounts( $post );
792	if ( $via ) {
793	$sig = " via @$via";
794	if ( $related === $via ) {
795	$related = false;
796	}
797	} else {
798	$via = false;
799	$sig = '';
800	}
801
802	$suffix_length = $this->short_url_length + $strlen( $sig );
803	// $sig is handled by twitter in their 'via' argument.
804	// $post_link is handled by twitter in their 'url' argument.
805	if ( 280 < $strlen( $post_title ) + $suffix_length ) {
806	// The -1 is for "\xE2\x80\xA6", a UTF-8 ellipsis.
807	$text = $substr( $post_title, 0, 280 - $suffix_length - 1 ) . "\xE2\x80\xA6";
808	} else {
809	$text = $post_title;
810	}
811
812	// Record stats
813	parent::process_request( $post, $post_data );
814
815	$url = $post_link;
816	$twitter_url = add_query_arg(
817	rawurlencode_deep( array_filter( compact( 'via', 'related', 'text', 'url' ) ) ),
818	'https://twitter.com/intent/tweet'
819	);
820
821	// Redirect to Twitter
822	wp_redirect( $twitter_url );
823	die();
824	}
825
826	public function has_custom_button_style() {
827	return $this->smart;
828	}
829
830	public function display_footer() {
831	if ( $this->smart ) {
832	?>
833	<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>
834	<?php
835	} else {
836	$this->js_dialog( $this->shortname, array( 'height' => 350 ) );
837	}
838	}
839	}
840
841
842	class Share_Reddit extends Sharing_Source {
843	public $shortname = 'reddit';
844	public $icon = '\f222';
845	public function __construct( $id, array $settings ) {
846	parent::__construct( $id, $settings );
847
848	if ( 'official' == $this->button_style ) {
849	$this->smart = true;
850	} else {
851	$this->smart = false;
852	}
853	}
854
855	public function get_name() {
856	return __( 'Reddit', 'jetpack' );
857	}
858
859	public function get_display( $post ) {
860	if ( $this->smart ) {
861	return '<div class="reddit_button"><iframe src="' . $this->http() . '://www.reddit.com/static/button/button1.html?newwindow=true&width=120&url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) ) . '" height="22" width="120" scrolling="no" frameborder="0"></iframe></div>';
862	} else {
863	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Reddit', 'share to', 'jetpack' ), __( 'Click to share on Reddit', 'jetpack' ), 'share=reddit' );
864	}
865	}
866
867	public function process_request( $post, array $post_data ) {
868	$reddit_url = $this->http() . '://reddit.com/submit?url=' . rawurlencode( $this->get_share_url( $post->ID ) ) . '&title=' . rawurlencode( $this->get_share_title( $post->ID ) );
869
870	// Record stats
871	parent::process_request( $post, $post_data );
872
873	// Redirect to Reddit
874	wp_redirect( $reddit_url );
875	die();
876	}
877	}
878
879	class Share_LinkedIn extends Sharing_Source {
880	public $shortname = 'linkedin';
881	public $icon = '\f207';
882	public function __construct( $id, array $settings ) {
883	parent::__construct( $id, $settings );
884
885	if ( 'official' == $this->button_style ) {
886	$this->smart = true;
887	} else {
888	$this->smart = false;
889	}
890	}
891
892	public function get_name() {
893	return __( 'LinkedIn', 'jetpack' );
894	}
895
896	public function has_custom_button_style() {
897	return $this->smart;
898	}
899
900	public function get_display( $post ) {
901	$display = '';
902
903	if ( $this->smart ) {
904	$share_url = $this->get_share_url( $post->ID );
905	$display .= sprintf( '<div class="linkedin_button"><script type="in/share" data-url="%s" data-counter="right"></script></div>', esc_url( $share_url ) );
906	} else {
907	$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 );
908	}
909
910	/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
911	if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'linkedin' ) ) {
912	sharing_register_post_for_share_counts( $post->ID );
913	}
914
915	return $display;
916	}
917
918	public function process_request( $post, array $post_data ) {
919
920	$post_link = $this->get_share_url( $post->ID );
921
922	// Using the same URL as the official button, which is not LinkedIn's documented sharing link
923	// https://www.linkedin.com/cws/share?url={url}&token=&isFramed=false
924	$linkedin_url = add_query_arg( array(
925	'url' => rawurlencode( $post_link ),
926	), 'https://www.linkedin.com/cws/share?token=&isFramed=false' );
927
928	// Record stats
929	parent::process_request( $post, $post_data );
930
931	// Redirect to LinkedIn
932	wp_redirect( $linkedin_url );
933	die();
934	}
935
936	public function display_footer() {
937	if ( ! $this->smart ) {
938	$this->js_dialog( $this->shortname, array( 'width' => 580, 'height' => 450 ) );
939	} else {
940	?><script type="text/javascript">
941	jQuery( document ).ready( function() {
942	jQuery.getScript( 'https://platform.linkedin.com/in.js?async=true', function success() {
943	IN.init();
944	});
945	});
946	jQuery( document.body ).on( 'post-load', function() {
947	if ( typeof IN != 'undefined' )
948	IN.parse();
949	});
950	</script><?php
951	}
952	}
953	}
954
955	class Share_Facebook extends Sharing_Source {
956	public $shortname = 'facebook';
957	public $icon = '\f204';
958	private $share_type = 'default';
959
960	public function __construct( $id, array $settings ) {
961	parent::__construct( $id, $settings );
962
963	if ( isset( $settings['share_type'] ) ) {
964	$this->share_type = $settings['share_type'];
965	}
966
967	if ( 'official' == $this->button_style ) {
968	$this->smart = true;
969	} else {
970	$this->smart = false;
971	}
972	}
973
974	public function get_name() {
975	return __( 'Facebook', 'jetpack' );
976	}
977
978	public function display_header() {
979	}
980
981	function guess_locale_from_lang( $lang ) {
982	if ( 'en' == $lang \|\| 'en_US' == $lang \|\| ! $lang ) {
983	return 'en_US';
984	}
985
986	if ( ! class_exists( 'GP_Locales' ) ) {
987	if ( ! defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) \|\| ! file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
988	return false;
989	}
990
991	require JETPACK__GLOTPRESS_LOCALES_PATH;
992	}
993
994	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
995	// WP.com: get_locale() returns 'it'
996	$locale = GP_Locales::by_slug( $lang );
997	} else {
998	// Jetpack: get_locale() returns 'it_IT';
999	$locale = GP_Locales::by_field( 'wp_locale', $lang );
1000	}
1001
1002	if ( ! $locale ) {
1003	return false;
1004	}
1005
1006	if ( empty( $locale->facebook_locale ) ) {
1007	if ( empty( $locale->wp_locale ) ) {
1008	return false;
1009	} else {
1010	// Facebook SDK is smart enough to fall back to en_US if a
1011	// locale isn't supported. Since supported Facebook locales
1012	// can fall out of sync, we'll attempt to use the known
1013	// wp_locale value and rely on said fallback.
1014	return $locale->wp_locale;
1015	}
1016	}
1017
1018	return $locale->facebook_locale;
1019	}
1020
1021	public function get_display( $post ) {
1022	if ( $this->smart ) {
1023	$share_url = $this->get_share_url( $post->ID );
1024	$fb_share_html = '<div class="fb-share-button" data-href="' . esc_attr( $share_url ) . '" data-layout="button_count"></div>';
1025	/**
1026	* Filter the output of the Facebook Sharing button.
1027	*
1028	* @module sharedaddy
1029	*
1030	* @since 3.6.0
1031	*
1032	* @param string $fb_share_html Facebook Sharing button HTML.
1033	* @param string $share_url URL of the post to share.
1034	*/
1035	return apply_filters( 'jetpack_sharing_facebook_official_button_output', $fb_share_html, $share_url );
1036	}
1037
1038	/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
1039	if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'facebook' ) ) {
1040	sharing_register_post_for_share_counts( $post->ID );
1041	}
1042	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 );
1043	}
1044
1045	public function process_request( $post, array $post_data ) {
1046	$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 ) );
1047
1048	// Record stats
1049	parent::process_request( $post, $post_data );
1050
1051	// Redirect to Facebook
1052	wp_redirect( $fb_url );
1053	die();
1054	}
1055
1056	public function display_footer() {
1057	$this->js_dialog( $this->shortname );
1058	if ( $this->smart ) {
1059	$locale = $this->guess_locale_from_lang( get_locale() );
1060	if ( ! $locale ) {
1061	$locale = 'en_US';
1062	}
1063	/**
1064	* Filter the App ID used in the official Facebook Share button.
1065	*
1066	* @since 3.8.0
1067	*
1068	* @param int $fb_app_id Facebook App ID. Default to 249643311490 (WordPress.com's App ID).
1069	*/
1070	$fb_app_id = apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' );
1071	if ( is_numeric( $fb_app_id ) ) {
1072	$fb_app_id = '&appId=' . $fb_app_id;
1073	} else {
1074	$fb_app_id = '';
1075	}
1076	?><div id="fb-root"></div>
1077	<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 $locale; ?>/sdk.js#xfbml=1<?php echo $fb_app_id; ?>&version=v2.3'; fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));</script>
1078	<script>
1079	jQuery( document.body ).on( 'post-load', function() {
1080	if ( 'undefined' !== typeof FB ) {
1081	FB.XFBML.parse();
1082	}
1083	} );
1084	</script>
1085	<?php
1086	}
1087	}
1088	}
1089
1090	class Share_Print extends Sharing_Source {
1091	public $shortname = 'print';
1092	public $icon = '\f469';
1093	public function __construct( $id, array $settings ) {
1094	parent::__construct( $id, $settings );
1095
1096	if ( 'official' == $this->button_style ) {
1097	$this->smart = true;
1098	} else {
1099	$this->smart = false;
1100	}
1101	}
1102
1103	public function get_name() {
1104	return __( 'Print', 'jetpack' );
1105	}
1106
1107	public function get_display( $post ) {
1108	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' ) );
1109	}
1110	}
1111
1112	class Share_PressThis extends Sharing_Source {
1113	public $shortname = 'pressthis';
1114	public $icon = '\f205';
1115	public function __construct( $id, array $settings ) {
1116	parent::__construct( $id, $settings );
1117
1118	if ( 'official' == $this->button_style ) {
1119	$this->smart = true;
1120	} else {
1121	$this->smart = false;
1122	}
1123	}
1124
1125	public function get_name() {
1126	return __( 'Press This', 'jetpack' );
1127	}
1128
1129	public function process_request( $post, array $post_data ) {
1130	global $current_user;
1131
1132	$primary_blog = (int) get_user_meta( $current_user->ID, 'primary_blog', true );
1133	if ( $primary_blog ) {
1134	$primary_blog_details = get_blog_details( $primary_blog );
1135	} else {
1136	$primary_blog_details = false;
1137	}
1138
1139	if ( $primary_blog_details ) {
1140	$blogs = array( $primary_blog_details );
1141	} elseif ( function_exists( 'get_active_blogs_for_user' ) ) {
1142	$blogs = get_active_blogs_for_user();
1143	if ( empty( $blogs ) ) {
1144	$blogs = get_blogs_of_user( $current_user->ID );
1145	}
1146	} else {
1147	$blogs = get_blogs_of_user( $current_user->ID );
1148	}
1149
1150	if ( empty( $blogs ) ) {
1151	wp_safe_redirect( get_permalink( $post->ID ) );
1152	die();
1153	}
1154
1155	$blog = current( $blogs );
1156
1157	$args = array(
1158	'u' => rawurlencode( $this->get_share_url( $post->ID ) ),
1159	);
1160
1161	$args[ 'url-scan-submit' ] = 'Scan';
1162	$args[ '_wpnonce' ] = wp_create_nonce( 'scan-site' );
1163
1164	$url = $blog->siteurl . '/wp-admin/press-this.php';
1165	$url = add_query_arg( $args, $url );
1166
1167	// Record stats
1168	parent::process_request( $post, $post_data );
1169
1170	// Redirect to Press This
1171	wp_redirect( $url );
1172	die();
1173	}
1174
1175	public function get_display( $post ) {
1176	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' );
1177	}
1178	}
1179
1180	class Share_Custom extends Sharing_Advanced_Source {
1181	private $name;
1182	private $icon;
1183	private $url;
1184	public $smart = true;
1185	public $shortname;
1186
1187	public function get_class() {
1188	return 'custom share-custom-' . sanitize_html_class( strtolower( $this->name ) );
1189	}
1190
1191	public function __construct( $id, array $settings ) {
1192	parent::__construct( $id, $settings );
1193
1194	$opts = $this->get_options();
1195
1196	if ( isset( $settings['name'] ) ) {
1197	$this->name = $settings['name'];
1198	$this->shortname = preg_replace( '/[^a-z0-9]*/', '', $settings['name'] );
1199	}
1200
1201	if ( isset( $settings['icon'] ) ) {
1202	$this->icon = $settings['icon'];
1203
1204	$new_icon = esc_url_raw( wp_specialchars_decode( $this->icon, ENT_QUOTES ) );
1205	$i = 0;
1206	while ( $new_icon != $this->icon ) {
1207	if ( $i > 5 ) {
1208	$this->icon = false;
1209	break;
1210	} else {
1211	$this->icon = $new_icon;
1212	$new_icon = esc_url_raw( wp_specialchars_decode( $this->icon, ENT_QUOTES ) );
1213	}
1214	$i++;
1215	}
1216	}
1217
1218	if ( isset( $settings['url'] ) ) {
1219	$this->url = $settings['url'];
1220	}
1221	}
1222
1223	public function get_name() {
1224	return $this->name;
1225	}
1226
1227	public function get_display( $post ) {
1228	$str = $this->get_link( $this->get_process_request_url( $post->ID ), esc_html( $this->name ), sprintf( __( 'Click to share on %s', 'jetpack' ), esc_attr( $this->name ) ), 'share=' . $this->id );
1229	return str_replace( '<span>', '<span style="' . esc_attr( 'background-image:url("' . addcslashes( esc_url_raw( $this->icon ), '"' ) . '");' ) . '">', $str );
1230	}
1231
1232	public function process_request( $post, array $post_data ) {
1233	$url = str_replace( '&', '&', $this->url );
1234	$url = str_replace( '%post_id%', rawurlencode( $post->ID ), $url );
1235	$url = str_replace( '%post_url%', rawurlencode( $this->get_share_url( $post->ID ) ), $url );
1236	$url = str_replace( '%post_full_url%', rawurlencode( get_permalink( $post->ID ) ), $url );
1237	$url = str_replace( '%post_title%', rawurlencode( $this->get_share_title( $post->ID ) ), $url );
1238	$url = str_replace( '%home_url%', rawurlencode( home_url() ), $url );
1239	$url = str_replace( '%post_slug%', rawurlencode( $post->post_name ), $url );
1240
1241	if ( strpos( $url, '%post_tags%' ) !== false ) {
1242	$tags = get_the_tags( $post->ID );
1243	$tagged = '';
1244
1245	if ( $tags ) {
1246	$tagged_raw = array();
1247	foreach ( $tags as $tag ) {
1248	$tagged_raw[] = rawurlencode( $tag->name );
1249	}
1250
1251	$tagged = implode( ',', $tagged_raw );
1252	}
1253
1254	$url = str_replace( '%post_tags%', $tagged, $url );
1255	}
1256
1257	if ( strpos( $url, '%post_excerpt%' ) !== false ) {
1258	$url_excerpt = $post->post_excerpt;
1259	if ( empty( $url_excerpt ) ) {
1260	$url_excerpt = $post->post_content;
1261	}
1262
1263	$url_excerpt = strip_tags( strip_shortcodes( $url_excerpt ) );
1264	$url_excerpt = wp_html_excerpt( $url_excerpt, 100 );
1265	$url_excerpt = rtrim( preg_replace( '/[^ .]*$/', '', $url_excerpt ) );
1266	$url = str_replace( '%post_excerpt%', rawurlencode( $url_excerpt ), $url );
1267	}
1268
1269	// Record stats
1270	parent::process_request( $post, $post_data );
1271
1272	// Redirect
1273	wp_redirect( $url );
1274	die();
1275	}
1276
1277	public function display_options() {
1278	?>
1279	<div class="input">
1280	<table class="form-table">
1281	<tbody>
1282	<tr>
1283	<th scope="row"><?php _e( 'Label', 'jetpack' ); ?></th>
1284	<td><input type="text" name="name" value="<?php echo esc_attr( $this->name ); ?>" /></td>
1285	</tr>
1286
1287	<tr>
1288	<th scope="row"><?php _e( 'URL', 'jetpack' ); ?></th>
1289	<td><input type="text" name="url" value="<?php echo esc_attr( $this->url ); ?>" /></td>
1290	</tr>
1291
1292	<tr>
1293	<th scope="row"><?php _e( 'Icon', 'jetpack' ); ?></th>
1294	<td><input type="text" name="icon" value="<?php echo esc_attr( $this->icon ); ?>" /></td>
1295	</tr>
1296
1297	<tr>
1298	<th scope="row"></th>
1299	<td>
1300	<input class="button-secondary" type="submit" value="<?php esc_attr_e( 'Save', 'jetpack' ); ?>" />
1301	<a href="#" class="remove"><small><?php _e( 'Remove Service', 'jetpack' ); ?></small></a>
1302	</td>
1303	</tr>
1304	</tbody>
1305	</table>
1306	</div>
1307	<?php
1308	}
1309
1310	public function update_options( array $data ) {
1311	$name = trim( wp_html_excerpt( wp_kses( stripslashes( $data['name'] ), array() ), 30 ) );
1312	$url = trim( esc_url_raw( $data['url'] ) );
1313	$icon = trim( esc_url_raw( $data['icon'] ) );
1314
1315	if ( $name ) {
1316	$this->name = $name;
1317	}
1318
1319	if ( $url ) {
1320	$this->url = $url;
1321	}
1322
1323	if ( $icon ) {
1324	$this->icon = $icon;
1325	}
1326	}
1327
1328	public function get_options() {
1329	return array(
1330	'name' => $this->name,
1331	'icon' => $this->icon,
1332	'url' => $this->url,
1333	);
1334	}
1335
1336	public function display_preview( $echo = true, $force_smart = false, $button_style = null ) {
1337	$opts = $this->get_options();
1338
1339	$text = ' ';
1340	if ( ! $this->smart ) {
1341	if ( $this->button_style != 'icon' ) {
1342	$text = $this->get_name();
1343	}
1344	}
1345
1346	$klasses = array( 'share-' . $this->shortname );
1347
1348	if ( $this->button_style == 'icon' \|\| $this->button_style == 'icon-text' ) {
1349	$klasses[] = 'share-icon';
1350	}
1351
1352	if ( $this->button_style == 'icon' ) {
1353	$text = '';
1354	$klasses[] = 'no-text';
1355	}
1356
1357	if ( $this->button_style == 'text' ) {
1358	$klasses[] = 'no-icon';
1359	}
1360
1361	$link = sprintf(
1362	'<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>',
1363	implode( ' ', $klasses ),
1364	$this->get_name(),
1365	addcslashes( esc_url_raw( $opts['icon'] ), '"' ),
1366	$text
1367	);
1368	?>
1369	<div class="option option-smart-off">
1370	<?php echo $link ; ?>
1371	</div><?php
1372	}
1373	}
1374
1375	class Share_Tumblr extends Sharing_Source {
1376	public $shortname = 'tumblr';
1377	public $icon = '\f214';
1378	public function __construct( $id, array $settings ) {
1379	parent::__construct( $id, $settings );
1380	if ( 'official' == $this->button_style ) {
1381	$this->smart = true;
1382	} else {
1383	$this->smart = false;
1384	}
1385	}
1386
1387	public function get_name() {
1388	return __( 'Tumblr', 'jetpack' );
1389	}
1390
1391	public function get_display( $post ) {
1392	if ( $this->smart ) {
1393	$target = '';
1394	if ( true == $this->open_link_in_new ) {
1395	$target = '_blank';
1396	}
1397
1398	/**
1399	* If we are looking at a single post, let Tumblr figure out the post type (text, photo, link, quote, chat, or video)
1400	* based on the content available on the page.
1401	* If we are not looking at a single post, content from other posts can appear on the page and Tumblr will pick that up.
1402	* 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.
1403	*/
1404	if ( ! is_single() ) {
1405	$posttype = 'data-posttype="link"';
1406	} else {
1407	$posttype = '';
1408	}
1409
1410	// Documentation: https://www.tumblr.com/docs/en/share_button
1411	return sprintf(
1412	'<a class="tumblr-share-button" target="%1$s" href="%2$s" data-title="%3$s" data-content="%4$s" title="%5$s"%6$s>%5$s</a>',
1413	$target,
1414	'https://www.tumblr.com/share',
1415	$this->get_share_title( $post->ID ),
1416	$this->get_share_url( $post->ID ),
1417	__( 'Share on Tumblr', 'jetpack' ),
1418	$posttype
1419	);
1420	} else {
1421	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Tumblr', 'share to', 'jetpack' ), __( 'Click to share on Tumblr', 'jetpack' ), 'share=tumblr' );
1422	}
1423	}
1424
1425	public function process_request( $post, array $post_data ) {
1426	// Record stats
1427	parent::process_request( $post, $post_data );
1428
1429	// Redirect to Tumblr's sharing endpoint (a la their bookmarklet)
1430	$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=';
1431	wp_redirect( $url );
1432	die();
1433	}
1434
1435	public function display_footer() {
1436	if ( $this->smart ) {
1437	?><script id="tumblr-js" type="text/javascript" src="https://assets.tumblr.com/share-button.js"></script><?php
1438	} else {
1439	$this->js_dialog( $this->shortname, array( 'width' => 450, 'height' => 450 ) );
1440	}
1441	}
1442	}
1443
1444	class Share_Pinterest extends Sharing_Source {
1445	public $shortname = 'pinterest';
1446	public $icon = '\f209';
1447
1448	public function __construct( $id, array $settings ) {
1449	parent::__construct( $id, $settings );
1450	if ( 'official' == $this->button_style ) {
1451	$this->smart = true;
1452	} else {
1453	$this->smart = false;
1454	}
1455	}
1456
1457	public function get_name() {
1458	return __( 'Pinterest', 'jetpack' );
1459	}
1460
1461	public function get_image( $post ) {
1462	if ( class_exists( 'Jetpack_PostImages' ) ) {
1463	$image = Jetpack_PostImages::get_image( $post->ID, array( 'fallback_to_avatars' => true ) );
1464	if ( ! empty( $image ) ) {
1465	return $image['src'];
1466	}
1467	}
1468
1469	/**
1470	* Filters the default image used by the Pinterest Pin It share button.
1471	*
1472	* @module sharedaddy
1473	*
1474	* @since 3.6.0
1475	*
1476	* @param string $url Default image URL.
1477	*/
1478	return apply_filters( 'jetpack_sharing_pinterest_default_image', 'https://s0.wp.com/i/blank.jpg' );
1479	}
1480
1481	public function get_external_url( $post ) {
1482	$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 );
1483
1484	/**
1485	* Filters the Pinterest share URL used in sharing button output.
1486	*
1487	* @module sharedaddy
1488	*
1489	* @since 3.6.0
1490	*
1491	* @param string $url Pinterest share URL.
1492	*/
1493	return apply_filters( 'jetpack_sharing_pinterest_share_url', $url );
1494	}
1495
1496	public function get_widget_type() {
1497	/**
1498	* Filters the Pinterest widget type.
1499	*
1500	* @see https://business.pinterest.com/en/widget-builder
1501	*
1502	* @module sharedaddy
1503	*
1504	* @since 3.6.0
1505	*
1506	* @param string $type Pinterest widget type. Default of 'buttonPin' for single-image selection. 'buttonBookmark' for multi-image modal.
1507	*/
1508	return apply_filters( 'jetpack_sharing_pinterest_widget_type', 'buttonPin' );
1509	}
1510
1511	public function get_display( $post ) {
1512	$display = '';
1513
1514	if ( $this->smart ) {
1515	$display = sprintf(
1516	'<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>',
1517	esc_url( $this->get_external_url( $post ) ),
1518	esc_attr( $this->get_widget_type() )
1519	);
1520	} else {
1521	$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 );
1522	}
1523
1524	/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
1525	if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'linkedin' ) ) {
1526	sharing_register_post_for_share_counts( $post->ID );
1527	}
1528
1529	return $display;
1530	}
1531
1532	public function process_request( $post, array $post_data ) {
1533	// Record stats
1534	parent::process_request( $post, $post_data );
1535	// If we're triggering the multi-select panel, then we don't need to redirect to Pinterest
1536	if ( ! isset( $_GET['js_only'] ) ) {
1537	$pinterest_url = esc_url_raw( $this->get_external_url( $post ) );
1538	wp_redirect( $pinterest_url );
1539	} else {
1540	echo '// share count bumped';
1541	}
1542	die();
1543	}
1544
1545	public function display_footer() {
1546	/**
1547	* Filter the Pin it button appearing when hovering over images when using the official button style.
1548	*
1549	* @module sharedaddy
1550	*
1551	* @since 3.6.0
1552	*
1553	* @param bool $jetpack_pinit_over True by default, displays the Pin it button when hovering over images.
1554	*/
1555	$jetpack_pinit_over = apply_filters( 'jetpack_pinit_over_button', true );
1556	?>
1557	<?php if ( $this->smart ) : ?>
1558	<script type="text/javascript">
1559	// Pinterest shared resources
1560	var s = document.createElement("script");
1561	s.type = "text/javascript";
1562	s.async = true;
1563	<?php if ( $jetpack_pinit_over ) {
1564	echo "s.setAttribute('data-pin-hover', true);";
1565	} ?>
1566	s.src = window.location.protocol + "//assets.pinterest.com/js/pinit.js";
1567	var x = document.getElementsByTagName("script")[0];
1568	x.parentNode.insertBefore(s, x);
1569	// if 'Pin it' button has 'counts' make container wider
1570	jQuery(window).load( function(){ jQuery( 'li.share-pinterest a span:visible' ).closest( '.share-pinterest' ).width( '80px' ); } );
1571	</script>
1572	<?php elseif ( 'buttonPin' != $this->get_widget_type() ) : ?>
1573	<script type="text/javascript">
1574	jQuery(document).ready( function(){
1575	jQuery('body').on('click', 'a.share-pinterest', function(e){
1576	e.preventDefault();
1577	// Load Pinterest Bookmarklet code
1578	var s = document.createElement("script");
1579	s.type = "text/javascript";
1580	s.src = window.location.protocol + "//assets.pinterest.com/js/pinmarklet.js?r=" + ( Math.random() * 99999999 );
1581	var x = document.getElementsByTagName("script")[0];
1582	x.parentNode.insertBefore(s, x);
1583	// Trigger Stats
1584	var s = document.createElement("script");
1585	s.type = "text/javascript";
1586	s.src = this + ( this.toString().indexOf( '?' ) ? '&' : '?' ) + 'js_only=1';
1587	var x = document.getElementsByTagName("script")[0];
1588	x.parentNode.insertBefore(s, x);
1589	});
1590	});
1591	</script>
1592	<?php endif;
1593	}
1594	}
1595
1596	class Share_Pocket extends Sharing_Source {
1597	public $shortname = 'pocket';
1598	public $icon = '\f224';
1599
1600	public function __construct( $id, array $settings ) {
1601	parent::__construct( $id, $settings );
1602
1603	if ( 'official' == $this->button_style ) {
1604	$this->smart = true;
1605	} else {
1606	$this->smart = false;
1607	}
1608	}
1609
1610	public function get_name() {
1611	return __( 'Pocket', 'jetpack' );
1612	}
1613
1614	public function process_request( $post, array $post_data ) {
1615	// Record stats
1616	parent::process_request( $post, $post_data );
1617
1618	$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 ) ) );
1619	wp_redirect( $pocket_url );
1620	exit;
1621	}
1622
1623	public function get_display( $post ) {
1624	if ( $this->smart ) {
1625	$post_count = 'horizontal';
1626
1627	$button = '';
1628	$button .= '<div class="pocket_button">';
1629	$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' ) );
1630	$button .= '</div>';
1631
1632	return $button;
1633	} else {
1634	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Pocket', 'share to', 'jetpack' ), __( 'Click to share on Pocket', 'jetpack' ), 'share=pocket' );
1635	}
1636
1637	}
1638
1639	function display_footer() {
1640	if ( $this->smart ) :
1641	?>
1642	<script>
1643	// Don't use Pocket's default JS as it we need to force init new Pocket share buttons loaded via JS.
1644	function jetpack_sharing_pocket_init() {
1645	jQuery.getScript( 'https://widgets.getpocket.com/v1/j/btn.js?v=1' );
1646	}
1647	jQuery( document ).ready( jetpack_sharing_pocket_init );
1648	jQuery( document.body ).on( 'post-load', jetpack_sharing_pocket_init );
1649	</script>
1650	<?php
1651	else :
1652	$this->js_dialog( $this->shortname, array( 'width' => 450, 'height' => 450 ) );
1653	endif;
1654
1655	}
1656
1657	}
1658
1659	class Share_Telegram extends Sharing_Source {
1660	public $shortname = 'telegram';
1661
1662	public function __construct( $id, array $settings ) {
1663	parent::__construct( $id, $settings );
1664	}
1665
1666	public function get_name() {
1667	return __( 'Telegram', 'jetpack' );
1668	}
1669	public function process_request( $post, array $post_data ) {
1670	// Record stats
1671	parent::process_request( $post, $post_data );
1672	$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 ) ) );
1673	wp_redirect( $telegram_url );
1674	exit;
1675	}
1676
1677	public function get_display( $post ) {
1678	return $this->get_link( $this->get_process_request_url( $post->ID ), _x( 'Telegram', 'share to', 'jetpack' ), __( 'Click to share on Telegram', 'jetpack' ), 'share=telegram' );
1679	}
1680
1681	function display_footer() {
1682	$this->js_dialog( $this->shortname, array( 'width' => 450, 'height' => 450 ) );
1683	}
1684	}
1685
1686	class Jetpack_Share_WhatsApp extends Sharing_Source {
1687	public $shortname = 'jetpack-whatsapp';
1688
1689	public function __construct( $id, array $settings ) {
1690	parent::__construct( $id, $settings );
1691	}
1692
1693	public function get_name() {
1694	return __( 'WhatsApp', 'jetpack' );
1695	}
1696
1697	public function get_display( $post ) {
1698	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' );
1699	}
1700
1701	public function process_request( $post, array $post_data ) {
1702	// Record stats
1703	parent::process_request( $post, $post_data );
1704
1705	// Firefox for desktop doesn't handle the "api.whatsapp.com" URL properly, so use "web.whatsapp.com"
1706	if ( Jetpack_User_Agent_Info::is_firefox_desktop() ) {
1707	$url = 'https://web.whatsapp.com/send?text=';
1708	} else {
1709	$url = 'https://api.whatsapp.com/send?text=';
1710	}
1711
1712	$url .= rawurlencode( $this->get_share_title( $post->ID ) . ' ' . $this->get_share_url( $post->ID ) );
1713	wp_redirect( $url );
1714	exit;
1715	}
1716	}
1717
1718	class Share_Skype extends Sharing_Source {
1719	public $shortname = 'skype';
1720	public $icon = '\f220';
1721	private $share_type = 'default';
1722
1723	public function __construct( $id, array $settings ) {
1724	parent::__construct( $id, $settings );
1725
1726	if ( isset( $settings['share_type'] ) ) {
1727	$this->share_type = $settings['share_type'];
1728	}
1729
1730	if ( 'official' == $this->button_style ) {
1731	$this->smart = true;
1732	} else {
1733	$this->smart = false;
1734	}
1735
1736	}
1737
1738	public function get_name() {
1739	return __( 'Skype', 'jetpack' );
1740	}
1741
1742	public function get_display( $post ) {
1743	if ( $this->smart ) {
1744	$skype_share_html = sprintf(
1745	'<div class="skype-share" data-href="%1$s" data-lang="%2$s" data-style="small" data-source="jetpack" ></div>',
1746	esc_attr( $this->get_share_url( $post->ID ) ),
1747	'en-US'
1748	);
1749	return $skype_share_html;
1750	}
1751
1752	/** This filter is already documented in modules/sharedaddy/sharing-sources.php */
1753	if ( apply_filters( 'jetpack_register_post_for_share_counts', true, $post->ID, 'skype' ) ) {
1754	sharing_register_post_for_share_counts( $post->ID );
1755	}
1756	return $this->get_link(
1757	$this->get_process_request_url( $post->ID ), _x( 'Skype', 'share to', 'jetpack' ), __( 'Click to share on Skype', 'jetpack' ), 'share=skype', 'sharing-skype-' . $post->ID );
1758	}
1759
1760	public function process_request( $post, array $post_data ) {
1761	$skype_url = sprintf(
1762	'https://web.skype.com/share?url=%1$s&lang=%2$s=&source=jetpack',
1763	rawurlencode( $this->get_share_url( $post->ID ) ),
1764	'en-US'
1765	);
1766
1767	// Record stats
1768	parent::process_request( $post, $post_data );
1769
1770	// Redirect to Skype
1771	wp_redirect( $skype_url );
1772	die();
1773	}
1774
1775	public function display_footer() {
1776	if ( $this->smart ) :
1777	?>
1778	<script>
1779	(function(r, d, s) {
1780	r.loadSkypeWebSdkAsync = r.loadSkypeWebSdkAsync \|\| function(p) {
1781	var js, sjs = d.getElementsByTagName(s)[0];
1782	if (d.getElementById(p.id)) { return; }
1783	js = d.createElement(s);
1784	js.id = p.id;
1785	js.src = p.scriptToLoad;
1786	js.onload = p.callback
1787	sjs.parentNode.insertBefore(js, sjs);
1788	};
1789	var p = {
1790	scriptToLoad: 'https://swx.cdn.skype.com/shared/v/latest/skypewebsdk.js',
1791	id: 'skype_web_sdk'
1792	};
1793	r.loadSkypeWebSdkAsync(p);
1794	})(window, document, 'script');
1795	</script>
1796	<?php
1797	else :
1798	$this->js_dialog( $this->shortname, array( 'width' => 305, 'height' => 665 ) );
1799	endif;
1800	}
1801	}
1802