PluginProbe
Jetpack – WP Security, Backup, Speed, & Growth / 6.0.4
Jetpack – WP Security, Backup, Speed, & Growth v6.0.4
16.2-beta 12.0.3 12.1.3 12.2.3 12.3.2 12.4.2 12.5.2 12.6.4 12.7.3 12.8.3 12.9.5 13.0.2 13.1.5 13.2.4 13.3.3 13.4.5 13.5.2 13.6.2 13.7.2 13.8.3 13.9.2 14.0.1 14.1.1 14.2.2 14.3.1 All 501 releases
jetpack / modules / likes.php
likes.php
544 lines 18.8 KB
No matching file
Up and down to move Enter to open Esc to close
Raw Download Zip
1 <?php
2 /**
3 * Module Name: Likes
4 * Module Description: Give visitors an easy way to show they appreciate your content.
5 * First Introduced: 2.2
6 * Sort Order: 23
7 * Requires Connection: Yes
8 * Auto Activate: No
9 * Module Tags: Social
10 * Feature: Engagement
11 * Additional Search Queries: like, likes, wordpress.com
12 */
13
14 Jetpack::dns_prefetch( array(
15 '//widgets.wp.com',
16 '//s0.wp.com',
17 '//0.gravatar.com',
18 '//1.gravatar.com',
19 '//2.gravatar.com',
20 ) );
21
22 include_once dirname( __FILE__ ) . '/likes/jetpack-likes-master-iframe.php';
23 include_once dirname( __FILE__ ) . '/likes/jetpack-likes-settings.php';
24
25 class Jetpack_Likes {
26 public static function init() {
27 static $instance = NULL;
28
29 if ( ! $instance ) {
30 $instance = new Jetpack_Likes;
31 }
32
33 return $instance;
34 }
35
36 function __construct() {
37 $this->in_jetpack = ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ? false : true;
38 $this->settings = new Jetpack_Likes_Settings();
39
40 add_action( 'init', array( &$this, 'action_init' ) );
41 add_action( 'admin_init', array( $this, 'admin_init' ) );
42
43 if ( $this->in_jetpack ) {
44 add_action( 'jetpack_activate_module_likes', array( $this, 'set_social_notifications_like' ) );
45 add_action( 'jetpack_deactivate_module_likes', array( $this, 'delete_social_notifications_like' ) );
46
47 Jetpack::enable_module_configurable( __FILE__ );
48 Jetpack::module_configuration_load( __FILE__, array( $this, 'configuration_redirect' ) );
49
50 add_action( 'admin_print_scripts-settings_page_sharing', array( &$this, 'load_jp_css' ) );
51 add_filter( 'sharing_show_buttons_on_row_start', array( $this, 'configuration_target_area' ) );
52
53 $active = Jetpack::get_active_modules();
54
55 if ( ! in_array( 'sharedaddy', $active ) && ! in_array( 'publicize', $active ) ) {
56 // we don't have a sharing page yet
57 add_action( 'admin_menu', array( $this->settings, 'sharing_menu' ) );
58 }
59
60 if ( in_array( 'publicize', $active ) && ! in_array( 'sharedaddy', $active ) ) {
61 // we have a sharing page but not the global options area
62 add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 );
63 add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 );
64 }
65
66 if( ! in_array( 'sharedaddy', $active ) ) {
67 add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) );
68 add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 );
69 add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 );
70 add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );
71 } else {
72 add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );
73 add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) );
74 }
75 } else { // wpcom
76 add_action( 'wpmu_new_blog', array( $this, 'enable_comment_likes' ), 10, 1 );
77 add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) );
78 add_action( 'end_likes_meta_box_content', array( $this->settings, 'sharing_meta_box_content' ) );
79 add_filter( 'likes_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) );
80 }
81
82 add_action( 'admin_init', array( $this, 'admin_discussion_likes_settings_init' ) ); // Likes notifications
83
84 add_action( 'admin_bar_menu', array( $this, 'admin_bar_likes' ), 60 );
85
86 add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) );
87
88 add_action( 'save_post', array( $this->settings, 'meta_box_save' ) );
89 add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) );
90 add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 );
91 add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 );
92 }
93
94 /**
95 * Set the social_notifications_like option to `on` when the Likes module is activated.
96 *
97 * @since 3.7.0
98 *
99 * @return null
100 */
101 function set_social_notifications_like() {
102 update_option( 'social_notifications_like', 'on' );
103 }
104
105 /**
106 * Delete the social_notifications_like option that was set to `on` on module activation.
107 *
108 * @since 3.7.0
109 *
110 * @return null
111 */
112 function delete_social_notifications_like() {
113 delete_option( 'social_notifications_like' );
114 }
115
116 /**
117 * Redirects to the likes section of the sharing page.
118 */
119 function configuration_redirect() {
120 wp_safe_redirect( admin_url( 'options-general.php?page=sharing#likes' ) );
121 die();
122 }
123
124 /**
125 * Loads Jetpack's CSS on the sharing page so we can use .jetpack-targetable
126 */
127 function load_jp_css() {
128 // Do we really need `admin_styles`? With the new admin UI, it's breaking some bits.
129 // Jetpack::init()->admin_styles();
130 }
131
132 /**
133 * Load scripts and styles for front end.
134 * @return null
135 */
136 function load_styles_register_scripts() {
137 if ( $this->in_jetpack ) {
138 wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array(), JETPACK__VERSION );
139 $this->register_scripts();
140 }
141 }
142
143 /**
144 * Stub for is_likes_visible, since some themes were calling it directly from this class
145 *
146 * @deprecated 5.4
147 * @return bool
148 */
149 function is_likes_visible() {
150 _deprecated_function( __METHOD__, 'jetpack-5.4', 'Jetpack_Likes_Settings()->is_likes_visible' );
151
152 $settings = new Jetpack_Likes_Settings();
153 return $settings->is_likes_visible();
154 }
155
156 /**
157 * Adds in the jetpack-targetable class so when we visit sharing#likes our like settings get highlighted by a yellow box
158 * @param string $html row heading for the sharedaddy "which page" setting
159 * @return string html with the jetpack-targetable class and likes id. tbody gets closed after the like settings
160 */
161 function configuration_target_area( $html = '' ) {
162 $html = "<tbody id='likes' class='jetpack-targetable'>" . $html;
163 return $html;
164 }
165
166 /**
167 * WordPress.com: Metabox option for sharing (sharedaddy will handle this on the JP blog)
168 */
169 function sharing_meta_box_content( $post ) {
170 $post_id = ! empty( $post->ID ) ? (int) $post->ID : get_the_ID();
171 $disabled = get_post_meta( $post_id, 'sharing_disabled', true ); ?>
172 <p>
173 <label for="wpl_enable_post_sharing">
174 <input type="checkbox" name="wpl_enable_post_sharing" id="wpl_enable_post_sharing" value="1" <?php checked( !$disabled ); ?>>
175 <?php _e( 'Show sharing buttons.', 'jetpack' ); ?>
176 </label>
177 <input type="hidden" name="wpl_sharing_status_hidden" value="1" />
178 </p> <?php
179 }
180
181 /**
182 * Options to be added to the discussion page (see also admin_settings_init, etc below for Sharing settings page)
183 */
184
185 function admin_discussion_likes_settings_init() {
186 // Add a temporary section, until we can move the setting out of there and with the rest of the email notification settings
187 add_settings_section( 'likes-notifications', __( 'Likes Notifications', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_section' ), 'discussion' );
188 add_settings_field( 'social-notifications', __( 'Email me whenever', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_field' ), 'discussion', 'likes-notifications' );
189 // Register the setting
190 register_setting( 'discussion', 'social_notifications_like', array( $this, 'admin_discussion_likes_settings_validate' ) );
191 }
192
193 function admin_discussion_likes_settings_section() {
194 // Atypical usage here. We emit jquery to move likes notification checkbox to be with the rest of the email notification settings
195 ?>
196 <script type="text/javascript">
197 jQuery( function( $ ) {
198 var table = $( '#social_notifications_like' ).parents( 'table:first' ),
199 header = table.prevAll( 'h2:first' ),
200 newParent = $( '#moderation_notify' ).parent( 'label' ).parent();
201
202 if ( !table.length || !header.length || !newParent.length ) {
203 return;
204 }
205
206 newParent.append( '<br/>' ).append( table.end().parent( 'label' ).siblings().andSelf() );
207 header.remove();
208 table.remove();
209 } );
210 </script>
211 <?php
212 }
213
214 function admin_likes_get_option( $option ) {
215 if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
216 $option_setting = get_blog_option( get_current_blog_id(), $option, 'on' );
217 } else {
218 $option_setting = get_option( $option, 'on' );
219 }
220
221 return intval( 'on' == $option_setting );
222 }
223
224 function admin_discussion_likes_settings_field() {
225 $like = $this->admin_likes_get_option( 'social_notifications_like' );
226 ?>
227 <label><input type="checkbox" id="social_notifications_like" name="social_notifications_like" value="1" <?php checked( $like ); ?> /> <?php esc_html_e( 'Someone likes one of my posts', 'jetpack' ); ?></label>
228 <?php
229 }
230
231 function admin_discussion_likes_settings_validate( $input ) {
232 // If it's not set (was unchecked during form submission) or was set to off (during option update), return 'off'.
233 if ( !$input || 'off' == $input )
234 return 'off';
235
236 // Otherwise, return 'on'.
237 return 'on';
238 }
239
240 function admin_init() {
241 add_filter( 'manage_posts_columns', array( $this, 'add_like_count_column' ) );
242 add_filter( 'manage_pages_columns', array( $this, 'add_like_count_column' ) );
243 add_action( 'manage_posts_custom_column', array( $this, 'likes_edit_column' ), 10, 2 );
244 add_action( 'manage_pages_custom_column', array( $this, 'likes_edit_column' ), 10, 2 );
245 add_action( 'admin_print_styles-edit.php', array( $this, 'load_admin_css' ) );
246 add_action( "admin_print_scripts-edit.php", array( $this, 'enqueue_admin_scripts' ) );
247 }
248
249 function action_init() {
250 if ( is_admin() ) {
251 return;
252 }
253
254 if ( ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) ||
255 ( defined( 'APP_REQUEST' ) && APP_REQUEST ) ||
256 ( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST ) ||
257 ( defined( 'COOKIE_AUTH_REQUEST' ) && COOKIE_AUTH_REQUEST ) ||
258 ( defined( 'JABBER_SERVER' ) && JABBER_SERVER ) ) {
259 return;
260 }
261
262 if ( $this->in_jetpack ) {
263 add_filter( 'the_content', array( &$this, 'post_likes' ), 30, 1 );
264 add_filter( 'the_excerpt', array( &$this, 'post_likes' ), 30, 1 );
265
266 } else {
267 add_filter( 'post_flair', array( &$this, 'post_likes' ), 30, 1 );
268 add_filter( 'post_flair_block_css', array( $this, 'post_flair_service_enabled_like' ) );
269
270 wp_enqueue_script( 'postmessage', '/wp-content/js/postmessage.js', array( 'jquery' ), JETPACK__VERSION, false );
271 wp_enqueue_script( 'jetpack_resize', '/wp-content/js/jquery/jquery.jetpack-resize.js', array( 'jquery' ), JETPACK__VERSION, false );
272 wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'queuehandler.js' , __FILE__ ), array( 'jquery', 'postmessage', 'jetpack_resize' ), JETPACK__VERSION, true );
273 wp_enqueue_style( 'jetpack_likes', plugins_url( 'jetpack-likes.css', __FILE__ ), array(), JETPACK__VERSION );
274 }
275 }
276
277 /**
278 * Register scripts
279 */
280 function register_scripts() {
281 wp_register_script(
282 'postmessage',
283 Jetpack::get_file_url_for_environment( '_inc/build/postmessage.min.js', '_inc/postmessage.js' ),
284 array( 'jquery' ),
285 JETPACK__VERSION,
286 false
287 );
288 wp_register_script(
289 'jetpack_resize',
290 Jetpack::get_file_url_for_environment(
291 '_inc/build/jquery.jetpack-resize.min.js',
292 '_inc/jquery.jetpack-resize.js'
293 ),
294 array( 'jquery' ),
295 JETPACK__VERSION,
296 false
297 );
298 wp_register_script(
299 'jetpack_likes_queuehandler',
300 Jetpack::get_file_url_for_environment(
301 '_inc/build/likes/queuehandler.min.js',
302 'modules/likes/queuehandler.js'
303 ),
304 array( 'jquery', 'postmessage', 'jetpack_resize' ),
305 JETPACK__VERSION,
306 true
307 );
308 }
309
310 /**
311 * Load the CSS needed for the wp-admin area.
312 */
313 function load_admin_css() {
314 ?>
315 <style type="text/css">
316 .vers img { display: none; }
317 .metabox-prefs .vers img { display: inline; }
318 .fixed .column-likes { width: 5.5em; padding: 8px 0; text-align: left; }
319 .fixed .column-stats { width: 5em; }
320 .fixed .column-likes .post-com-count {
321 -webkit-box-sizing: border-box;
322 -moz-box-sizing: border-box;
323 box-sizing: border-box;
324 display: inline-block;
325 padding: 0 8px;
326 height: 2em;
327 margin-top: 5px;
328 -webkit-border-radius: 5px;
329 border-radius: 5px;
330 background-color: #72777C;
331 color: #FFF;
332 font-size: 11px;
333 line-height: 21px;
334 }
335 .fixed .column-likes .post-com-count::after { border: none !important; }
336 .fixed .column-likes .post-com-count:hover { background-color: #0073AA; }
337 .fixed .column-likes .vers:before {
338 font: normal 20px/1 dashicons;
339 content: '\f155';
340 speak: none;
341 -webkit-font-smoothing: antialiased;
342 -moz-osx-font-smoothing: grayscale;
343 }
344 @media screen and (max-width: 782px) {
345 .fixed .column-likes {
346 display: none;
347 }
348 }
349 </style>
350 <?php
351 }
352
353 /**
354 * Load the JS required for loading the like counts.
355 */
356 function enqueue_admin_scripts() {
357 if ( empty( $_GET['post_type'] ) || 'post' == $_GET['post_type'] || 'page' == $_GET['post_type'] ) {
358 if ( $this->in_jetpack ) {
359 wp_enqueue_script(
360 'likes-post-count',
361 Jetpack::get_file_url_for_environment(
362 '_inc/build/likes/post-count.min.js',
363 'modules/likes/post-count.js'
364 ),
365 array( 'jquery' ),
366 JETPACK__VERSION
367 );
368 wp_enqueue_script(
369 'likes-post-count-jetpack',
370 Jetpack::get_file_url_for_environment(
371 '_inc/build/likes/post-count-jetpack.min.js',
372 'modules/likes/post-count-jetpack.js'
373 ),
374 array( 'likes-post-count' ),
375 JETPACK__VERSION
376 );
377 } else {
378 wp_enqueue_script( 'jquery.wpcom-proxy-request', "/wp-content/js/jquery/jquery.wpcom-proxy-request.js", array('jquery'), NULL, true );
379 wp_enqueue_script( 'likes-post-count', plugins_url( 'likes/post-count.js', dirname( __FILE__ ) ), array( 'jquery' ), JETPACK__VERSION );
380 wp_enqueue_script( 'likes-post-count-wpcom', plugins_url( 'likes/post-count-wpcom.js', dirname( __FILE__ ) ), array( 'likes-post-count', 'jquery.wpcom-proxy-request' ), JETPACK__VERSION );
381 }
382 }
383 }
384
385 /**
386 * Add "Likes" column data to the post edit table in wp-admin.
387 *
388 * @param string $column_name
389 * @param int $post_id
390 */
391 function likes_edit_column( $column_name, $post_id ) {
392 if ( 'likes' == $column_name ) {
393
394 if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
395 $blog_id = get_current_blog_id();
396 } else {
397 $blog_id = Jetpack_Options::get_option( 'id' );
398 }
399
400 $permalink = get_permalink( get_the_ID() ); ?>
401 <a title="" data-post-id="<?php echo (int) $post_id; ?>" class="post-com-count post-like-count" id="post-like-count-<?php echo (int) $post_id; ?>" data-blog-id="<?php echo (int) $blog_id; ?>" href="<?php echo esc_url( $permalink ); ?>#like-<?php echo (int) $post_id; ?>">
402 <span class="comment-count">0</span>
403 </a>
404 <?php
405 }
406 }
407
408 /**
409 * Add a "Likes" column header to the post edit table in wp-admin.
410 *
411 * @param array $columns
412 * @return array
413 */
414 function add_like_count_column( $columns ) {
415 $date = $columns['date'];
416 unset( $columns['date'] );
417
418 $columns['likes'] = '<span class="vers"><img title="' . esc_attr__( 'Likes', 'jetpack' ) . '" alt="' . esc_attr__( 'Likes', 'jetpack' ) . '" src="//s0.wordpress.com/i/like-grey-icon.png" /></span>';
419 $columns['date'] = $date;
420
421 return $columns;
422 }
423
424 function post_likes( $content ) {
425 $post_id = get_the_ID();
426
427 if ( ! is_numeric( $post_id ) || ! $this->settings->is_likes_visible() )
428 return $content;
429
430 if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
431 $blog_id = get_current_blog_id();
432 $bloginfo = get_blog_details( (int) $blog_id );
433 $domain = $bloginfo->domain;
434 } else {
435 $blog_id = Jetpack_Options::get_option( 'id' );
436 $url = home_url();
437 $url_parts = parse_url( $url );
438 $domain = $url_parts['host'];
439 }
440 // make sure to include the scripts before the iframe otherwise weird things happen
441 add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
442
443 /**
444 * if the same post appears more then once on a page the page goes crazy
445 * we need a slightly more unique id / name for the widget wrapper.
446 */
447 $uniqid = uniqid();
448
449 $src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&amp;post_id=%2$d&amp;origin=%3$s&amp;obj_id=%1$d-%2$d-%4$s', $blog_id, $post_id, $domain, $uniqid );
450 $name = sprintf( 'like-post-frame-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );
451 $wrapper = sprintf( 'like-post-wrapper-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid );
452 $headline = sprintf(
453 /** This filter is already documented in modules/sharedaddy/sharing-service.php */
454 apply_filters( 'jetpack_sharing_headline_html', '<h3 class="sd-title">%s</h3>', esc_html__( 'Like this:', 'jetpack' ), 'likes' ),
455 esc_html__( 'Like this:', 'jetpack' )
456 );
457
458 $html = "<div class='sharedaddy sd-block sd-like jetpack-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>";
459 $html .= $headline;
460 $html .= "<div class='likes-widget-placeholder post-likes-widget-placeholder' style='height: 55px;'><span class='button'><span>" . esc_html__( 'Like', 'jetpack' ) . '</span></span> <span class="loading">' . esc_html__( 'Loading...', 'jetpack' ) . '</span></div>';
461 $html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>";
462 $html .= '</div>';
463
464 // Let's make sure that the script is enqueued
465 wp_enqueue_script( 'jetpack_likes_queuehandler' );
466
467 return $content . $html;
468 }
469
470 function post_flair_service_enabled_like( $classes ) {
471 $classes[] = 'sd-like-enabled';
472 return $classes;
473 }
474
475 function is_admin_bar_button_visible() {
476 global $wp_admin_bar;
477
478 if ( ! is_object( $wp_admin_bar ) )
479 return false;
480
481 if ( ( ! is_singular( 'post' ) && ! is_attachment() && ! is_page() ) )
482 return false;
483
484 if ( ! $this->settings->is_likes_visible() )
485 return false;
486
487 if ( ! $this->settings->is_post_likeable() )
488 return false;
489
490 /**
491 * Filters whether the Like button is enabled in the admin bar.
492 *
493 * @module likes
494 *
495 * @since 2.2.0
496 *
497 * @param bool true Should the Like button be visible in the Admin bar. Default to true.
498 */
499 return (bool) apply_filters( 'jetpack_admin_bar_likes_enabled', true );
500 }
501
502 function admin_bar_likes() {
503 global $wp_admin_bar;
504
505 $post_id = get_the_ID();
506
507 if ( ! is_numeric( $post_id ) || ! $this->is_admin_bar_button_visible() ) {
508 return;
509 }
510
511 $protocol = 'http';
512 if ( is_ssl() )
513 $protocol = 'https';
514
515 if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
516 $blog_id = get_current_blog_id();
517 $bloginfo = get_blog_details( (int) $blog_id );
518 $domain = $bloginfo->domain;
519 } else {
520 $blog_id = Jetpack_Options::get_option( 'id' );
521 $url = home_url();
522 $url_parts = parse_url( $url );
523 $domain = $url_parts['host'];
524 }
525 // make sure to include the scripts before the iframe otherwise weird things happen
526 add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 );
527
528 $src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%2$d&amp;post_id=%3$d&amp;origin=%1$s://%4$s', $protocol, $blog_id, $post_id, $domain );
529
530 $html = "<iframe class='admin-bar-likes-widget jetpack-likes-widget' scrolling='no' frameBorder='0' name='admin-bar-likes-widget' src='$src'></iframe>";
531
532 $node = array(
533 'id' => 'admin-bar-likes-widget',
534 'meta' => array(
535 'html' => $html
536 )
537 );
538
539 $wp_admin_bar->add_node( $node );
540 }
541 }
542
543 Jetpack_Likes::init();
544