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Jetpack – WP Security, Backup, Speed, & Growth / 12.5
Jetpack – WP Security, Backup, Speed, & Growth v12.5
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jetpack / modules / comments / comments.php

comments.php in Jetpack – WP Security, Backup, Speed, & Growth 12.5, at modules/comments/comments.php

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1 <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2 /**
3 * Module: Comments
4 *
5 * @package automattic/jetpack
6 */
7
8 require __DIR__ . '/base.php';
9 use Automattic\Jetpack\Connection\Tokens;
10
11 /**
12 * Main Comments class
13 *
14 * @package automattic/jetpack
15 * @version 1.4
16 * @since 1.4
17 */
18 class Jetpack_Comments extends Highlander_Comments_Base {
19
20 /** Variables *************************************************************/
21
22 /**
23 * Possible comment form sources - empty array as default
24 *
25 * @var array
26 */
27 public $id_sources = array();
28
29 /**
30 * Remote comment URL - empty string as default
31 *
32 * @var string
33 */
34 public $signed_url = '';
35
36 /**
37 * The default comment form color scheme - default is light
38 *
39 * @var string
40 * @see ::set_default_color_theme_based_on_theme_settings()
41 */
42 public $default_color_scheme = 'light';
43
44 /** Methods ***************************************************************/
45
46 /**
47 * Initialize class
48 */
49 public static function init() {
50 static $instance = false;
51
52 if ( ! $instance ) {
53 $instance = new Jetpack_Comments();
54 }
55
56 return $instance;
57 }
58
59 /**
60 * Main constructor for Comments
61 *
62 * @since JetpackComments (1.4)
63 */
64 public function __construct() {
65 parent::__construct();
66
67 // Comments is loaded.
68
69 /**
70 * Fires after the Jetpack_Comments object has been instantiated
71 *
72 * @module comments
73 *
74 * @since 1.4.0
75 *
76 * @param array $jetpack_comments_loaded First element in array of type Jetpack_Comments
77 */
78 do_action_ref_array( 'jetpack_comments_loaded', array( $this ) );
79 add_action( 'after_setup_theme', array( $this, 'set_default_color_theme_based_on_theme_settings' ), 100 );
80 }
81
82 /**
83 * Set the default comments color theme based on theme settings
84 */
85 public function set_default_color_theme_based_on_theme_settings() {
86 if ( function_exists( 'twentyeleven_get_theme_options' ) ) {
87 $theme_options = twentyeleven_get_theme_options();
88 $theme_color_scheme = isset( $theme_options['color_scheme'] ) ? $theme_options['color_scheme'] : 'transparent';
89 } else {
90 $theme_color_scheme = get_theme_mod( 'color_scheme', 'transparent' );
91 }
92 // Default for $theme_color_scheme is 'transparent' just so it doesn't match 'light' or 'dark'.
93 // The default for Jetpack's color scheme is still defined above as 'light'.
94
95 if ( false !== stripos( $theme_color_scheme, 'light' ) ) {
96 $this->default_color_scheme = 'light';
97 } elseif ( false !== stripos( $theme_color_scheme, 'dark' ) ) {
98 $this->default_color_scheme = 'dark';
99 }
100 }
101
102 /** Private Methods *******************************************************/
103
104 /**
105 * Set any global variables or class variables
106 *
107 * This is primarily defining the comment form sources.
108 *
109 * @since JetpackComments (1.4)
110 */
111 protected function setup_globals() {
112 parent::setup_globals();
113
114 // Sources.
115 $this->id_sources = array(
116 'guest',
117 'jetpack',
118 'wordpress',
119 'twitter',
120 'facebook',
121 );
122 }
123
124 /**
125 * Setup actions for methods in this class
126 *
127 * @since JetpackComments (1.4)
128 */
129 protected function setup_actions() {
130 parent::setup_actions();
131
132 // Selfishly remove everything from the existing comment form.
133 remove_all_actions( 'comment_form_before' );
134
135 // Selfishly add only our actions back to the comment form.
136 add_action( 'comment_form_before', array( $this, 'comment_form_before' ) );
137 add_action( 'comment_form_after', array( $this, 'comment_form_after' ), 1 ); // Set very early since we remove everything outputed before our action.
138
139 // Before a comment is posted.
140 add_action( 'pre_comment_on_post', array( $this, 'pre_comment_on_post' ), 1 );
141
142 // After a comment is posted.
143 add_action( 'comment_post', array( $this, 'add_comment_meta' ) );
144 }
145
146 /**
147 * Setup filters for methods in this class
148 *
149 * @since 1.6.2
150 */
151 protected function setup_filters() {
152 parent::setup_filters();
153
154 add_filter( 'comment_post_redirect', array( $this, 'capture_comment_post_redirect_to_reload_parent_frame' ), 100 );
155 add_filter( 'get_avatar', array( $this, 'get_avatar' ), 10, 4 );
156 }
157
158 /**
159 * Get the comment avatar from Gravatar, Twitter, or Facebook
160 *
161 * @since JetpackComments (1.4)
162 *
163 * @param string $avatar Current avatar URL.
164 * @param string $comment Comment for the avatar.
165 * @param int $size Size of the avatar.
166 *
167 * @return string New avatar
168 */
169 public function get_avatar( $avatar, $comment, $size ) {
170 if ( ! isset( $comment->comment_post_ID ) || ! isset( $comment->comment_ID ) ) {
171 // it's not a comment - bail.
172 return $avatar;
173 }
174
175 // Detect whether it's a Facebook or Twitter avatar.
176 $foreign_avatar = get_comment_meta( $comment->comment_ID, 'hc_avatar', true );
177 $foreign_avatar_hostname = wp_parse_url( $foreign_avatar, PHP_URL_HOST );
178 if ( ! $foreign_avatar_hostname ||
179 ! preg_match( '/\.?(graph\.facebook\.com|twimg\.com)$/', $foreign_avatar_hostname ) ) {
180 return $avatar;
181 }
182
183 // Return the Facebook or Twitter avatar.
184 return preg_replace( '#src=([\'"])[^\'"]+\\1#', 'src=\\1' . esc_url( set_url_scheme( $this->photon_avatar( $foreign_avatar, $size ), 'https' ) ) . '\\1', $avatar );
185 }
186
187 /**
188 * Get the site's blog token.
189 * This can be used to bypass Comments entirely if Jetpack is not properly connected.
190 *
191 * @since 11.2
192 *
193 * @return bool|object False if not properly connected. Object with the blog token if connected.
194 */
195 private function get_blog_token() {
196 $blog_token = ( new Tokens() )->get_access_token();
197 // If we have no token, bail.
198 if ( ! $blog_token || is_wp_error( $blog_token ) ) {
199 return false;
200 }
201
202 return $blog_token;
203 }
204
205 /** Output Methods ********************************************************/
206
207 /**
208 * Start capturing the core comment_form() output
209 *
210 * Comment form output will only be captured if comments are enabled - we return otherwise.
211 *
212 * @since JetpackComments (1.4)
213 */
214 public function comment_form_before() {
215 /**
216 * Filters the setting that determines if Jetpack comments should be enabled for
217 * the current post type.
218 *
219 * @module comments
220 *
221 * @since 3.8.1
222 *
223 * @param boolean $return Should comments be enabled?
224 */
225 if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type(), true ) ) {
226 return;
227 }
228
229 // If the Jetpack connection is not healthy, bail.
230 if ( ! $this->get_blog_token() ) {
231 return;
232 }
233
234 // Add some JS to the footer.
235 add_action( 'wp_footer', array( $this, 'watch_comment_parent' ), 100 );
236
237 ob_start();
238 }
239
240 /**
241 * Noop the default comment form output, get some options, and output our
242 * tricked out totally radical comment form.
243 *
244 * @since JetpackComments (1.4)
245 */
246 public function comment_form_after() {
247 /** This filter is documented in modules/comments/comments.php */
248 if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type(), true ) ) {
249 return;
250 }
251
252 $blog_token = $this->get_blog_token();
253 // If the Jetpack connection is not healthy, bail.
254 if ( ! $blog_token ) {
255 return;
256 }
257
258 // Throw it all out and drop in our replacement.
259 ob_end_clean();
260
261 // If users are required to be logged in, and they're not, then we don't need to do anything else.
262 if ( get_option( 'comment_registration' ) && ! is_user_logged_in() ) {
263 /**
264 * Changes the log in to comment prompt.
265 *
266 * @module comments
267 *
268 * @since 1.4.0
269 *
270 * @param string $var Default is "You must log in to post a comment."
271 */
272 echo '<p class="must-log-in">' . wp_kses_post(
273 sprintf(
274 apply_filters(
275 'jetpack_must_log_in_to_comment',
276 /* translators: %s is the wp-login URL for the site */
277 __( 'You must <a href="%s">log in</a> to post a comment.', 'jetpack' )
278 ),
279 wp_login_url( get_permalink() . '#respond' )
280 )
281 ) . '</p>';
282 return;
283 }
284
285 if ( in_array( 'subscriptions', Jetpack::get_active_modules(), true ) ) {
286 $stb_enabled = get_option( 'stb_enabled', 1 );
287 $stb_enabled = empty( $stb_enabled ) ? 0 : 1;
288
289 $stc_enabled = get_option( 'stc_enabled', 1 );
290 $stc_enabled = empty( $stc_enabled ) ? 0 : 1;
291 } else {
292 $stb_enabled = 0;
293 $stc_enabled = 0;
294 }
295
296 $params = array(
297 'blogid' => Jetpack_Options::get_option( 'id' ),
298 'postid' => get_the_ID(),
299 'comment_registration' => ( get_option( 'comment_registration' ) ? '1' : '0' ), // Need to explicitly send a '1' or a '0' for these.
300 'require_name_email' => ( get_option( 'require_name_email' ) ? '1' : '0' ),
301 'stc_enabled' => $stc_enabled,
302 'stb_enabled' => $stb_enabled,
303 'show_avatars' => ( get_option( 'show_avatars' ) ? '1' : '0' ),
304 'avatar_default' => get_option( 'avatar_default' ),
305 'greeting' => get_option( 'highlander_comment_form_prompt', __( 'Leave a Reply', 'jetpack' ) ),
306 'jetpack_comments_nonce' => wp_create_nonce( 'jetpack_comments_nonce-' . get_the_ID() ),
307 /**
308 * Changes the comment form prompt.
309 *
310 * @module comments
311 *
312 * @since 2.3.0
313 *
314 * @param string $var Default is "Leave a Reply to %s."
315 */
316 'greeting_reply' => apply_filters(
317 'jetpack_comment_form_prompt_reply',
318 /* translators: %s is the displayed username of the post (or comment) author */
319 __( 'Leave a Reply to %s', 'jetpack' )
320 ),
321 'color_scheme' => get_option( 'jetpack_comment_form_color_scheme', $this->default_color_scheme ),
322 'lang' => get_locale(),
323 'jetpack_version' => JETPACK__VERSION,
324 );
325
326 // Extra parameters for logged in user.
327 if ( is_user_logged_in() ) {
328 $current_user = wp_get_current_user();
329 $params['hc_post_as'] = 'jetpack';
330 $params['hc_userid'] = $current_user->ID;
331 $params['hc_username'] = $current_user->display_name;
332 $params['hc_userurl'] = $current_user->user_url;
333 $params['hc_useremail'] = md5( strtolower( trim( $current_user->user_email ) ) );
334 if ( current_user_can( 'unfiltered_html' ) ) {
335 $params['_wp_unfiltered_html_comment'] = wp_create_nonce( 'unfiltered-html-comment_' . get_the_ID() );
336 }
337 } else {
338 $commenter = wp_get_current_commenter();
339 $params['show_cookie_consent'] = (int) has_action( 'set_comment_cookies', 'wp_set_comment_cookies' );
340 $params['has_cookie_consent'] = (int) ! empty( $commenter['comment_author_email'] );
341 }
342
343 list( $token_key ) = explode( '.', $blog_token->secret, 2 );
344 // Prophylactic check: anything else should never happen.
345 if ( $token_key && $token_key !== $blog_token->secret ) {
346 // Is the token a Special Token (@see class.tokens.php)?
347 if ( preg_match( '/^;.\d+;\d+;$/', $token_key, $matches ) ) {
348 // The token key for a Special Token is public.
349 $params['token_key'] = $token_key;
350 } else {
351 /*
352 * The token key for a Normal Token is public but
353 * looks like sensitive data. Since there can only be
354 * one Normal Token per site, avoid concern by
355 * sending the magic "use the Normal Token" token key.
356 */
357 $params['token_key'] = Tokens::MAGIC_NORMAL_TOKEN_KEY;
358 }
359 }
360
361 $signature = self::sign_remote_comment_parameters( $params, $blog_token->secret );
362 if ( is_wp_error( $signature ) ) {
363 $signature = 'error';
364 }
365
366 $params['sig'] = $signature;
367 $url_origin = 'https://jetpack.wordpress.com';
368 $url = "{$url_origin}/jetpack-comment/?" . http_build_query( $params );
369 // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sniff misses the esc_url_raw.
370 $url = "{$url}#parent=" . rawurlencode( esc_url_raw( set_url_scheme( 'http://' . ( isset( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '' ) ) ) );
371 $this->signed_url = $url;
372 $height = $params['comment_registration'] || is_user_logged_in() ? '315' : '430'; // Iframe can be shorter if we're not allowing guest commenting.
373 $transparent = ( 'transparent' === $params['color_scheme'] ) ? 'true' : 'false';
374
375 if ( isset( $_GET['replytocom'] ) ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended
376 $url .= '&replytocom=' . (int) $_GET['replytocom']; //phpcs:ignore WordPress.Security.NonceVerification.Recommended
377 }
378
379 /**
380 * Filter whether the comment title can be displayed.
381 *
382 * @module comments
383 *
384 * @since 4.7.0
385 *
386 * @param bool $show Can the comment be displayed? Default to true.
387 */
388 $show_greeting = apply_filters( 'jetpack_comment_form_display_greeting', true );
389
390 /**
391 * Filter the comment title tag.
392 *
393 * @module comments
394 * @since 12.4
395 *
396 * @param string $comment_reply_title_tag The comment title tag. Default to h3.
397 */
398 $comment_reply_title_tag = apply_filters( 'jetpack_comment_reply_title_tag', 'h3' );
399
400 // The actual iframe (loads comment form from Jetpack server).
401
402 $is_amp = class_exists( Jetpack_AMP_Support::class ) && Jetpack_AMP_Support::is_amp_request();
403 ?>
404
405 <div id="respond" class="comment-respond">
406 <?php
407 if ( true === $show_greeting ) :
408 printf(
409 '<%1$s id="reply-title" class="comment-reply-title">',
410 esc_html( $comment_reply_title_tag )
411 );
412
413 comment_form_title(
414 esc_html( $params['greeting'] ),
415 esc_html( $params['greeting_reply'] )
416 );
417 echo '<small>';
418 cancel_comment_reply_link( esc_html__( 'Cancel reply', 'jetpack' ) );
419 echo '</small>';
420
421 printf(
422 '</%1$s>',
423 esc_html( $comment_reply_title_tag )
424 );
425 endif;
426 ?>
427 <form id="commentform" class="comment-form">
428 <iframe
429 title="<?php esc_attr_e( 'Comment Form', 'jetpack' ); ?>"
430 src="<?php echo esc_url( $url ); ?>"
431 <?php if ( $is_amp ) : ?>
432 resizable
433 layout="fixed-height"
434 height="<?php echo esc_attr( $height ); ?>"
435 <?php else : ?>
436 name="jetpack_remote_comment"
437 style="width:100%; height: <?php echo esc_attr( $height ); ?>px; border:0;"
438 <?php endif; ?>
439 class="jetpack_remote_comment"
440 id="jetpack_remote_comment"
441 sandbox="allow-same-origin allow-top-navigation allow-scripts allow-forms allow-popups"
442 >
443 <?php if ( $is_amp ) : ?>
444 <button overflow><?php esc_html_e( 'Show more', 'jetpack' ); ?></button>
445 <?php endif; ?>
446 </iframe>
447 <?php if ( ! $is_amp ) : ?>
448 <!--[if !IE]><!-->
449 <script>
450 document.addEventListener('DOMContentLoaded', function () {
451 var commentForms = document.getElementsByClassName('jetpack_remote_comment');
452 for (var i = 0; i < commentForms.length; i++) {
453 commentForms[i].allowTransparency = <?php echo esc_html( $transparent ); ?>;
454 commentForms[i].scrolling = 'no';
455 }
456 });
457 </script>
458 <!--<![endif]-->
459 <?php endif; ?>
460 </form>
461 </div>
462
463 <?php // Below is required for comment reply JS to work. ?>
464
465 <input type="hidden" name="comment_parent" id="comment_parent" value="" />
466
467 <?php
468 }
469
470 /**
471 * Add some JS to wp_footer to watch for hierarchical reply parent change
472 *
473 * If AMP is enabled, we don't make any changes.
474 *
475 * @since JetpackComments (1.4)
476 */
477 public function watch_comment_parent() {
478 if ( class_exists( Jetpack_AMP_Support::class ) && Jetpack_AMP_Support::is_amp_request() ) {
479 // @todo Implement AMP support.
480 return;
481 }
482
483 $url_origin = 'https://jetpack.wordpress.com';
484 ?>
485
486 <!--[if IE]>
487 <script type="text/javascript">
488 if ( 0 === window.location.hash.indexOf( '#comment-' ) ) {
489 // window.location.reload() doesn't respect the Hash in IE
490 window.location.hash = window.location.hash;
491 }
492 </script>
493 <![endif]-->
494 <script type="text/javascript">
495 (function () {
496 var comm_par_el = document.getElementById( 'comment_parent' ),
497 comm_par = ( comm_par_el && comm_par_el.value ) ? comm_par_el.value : '',
498 frame = document.getElementById( 'jetpack_remote_comment' ),
499 tellFrameNewParent;
500
501 tellFrameNewParent = function () {
502 if ( comm_par ) {
503 frame.src = "<?php echo esc_url_raw( $this->signed_url ); ?>" + '&replytocom=' + parseInt( comm_par, 10 ).toString();
504 } else {
505 frame.src = "<?php echo esc_url_raw( $this->signed_url ); ?>";
506 }
507 };
508
509 <?php if ( get_option( 'thread_comments' ) && get_option( 'thread_comments_depth' ) ) : ?>
510
511 if ( 'undefined' !== typeof addComment ) {
512 addComment._Jetpack_moveForm = addComment.moveForm;
513
514 addComment.moveForm = function ( commId, parentId, respondId, postId ) {
515 var returnValue = addComment._Jetpack_moveForm( commId, parentId, respondId, postId ),
516 cancelClick, cancel;
517
518 if ( false === returnValue ) {
519 cancel = document.getElementById( 'cancel-comment-reply-link' );
520 cancelClick = cancel.onclick;
521 cancel.onclick = function () {
522 var cancelReturn = cancelClick.call( this );
523 if ( false !== cancelReturn ) {
524 return cancelReturn;
525 }
526
527 if ( ! comm_par ) {
528 return cancelReturn;
529 }
530
531 comm_par = 0;
532
533 tellFrameNewParent();
534
535 return cancelReturn;
536 };
537 }
538
539 if ( comm_par == parentId ) {
540 return returnValue;
541 }
542
543 comm_par = parentId;
544
545 tellFrameNewParent();
546
547 return returnValue;
548 };
549 }
550
551 <?php endif; ?>
552
553 // Do the post message bit after the dom has loaded.
554 document.addEventListener( 'DOMContentLoaded', function () {
555 var iframe_url = <?php echo wp_json_encode( esc_url_raw( $url_origin ) ); ?>;
556 if ( window.postMessage ) {
557 if ( document.addEventListener ) {
558 window.addEventListener( 'message', function ( event ) {
559 var origin = event.origin.replace( /^http:\/\//i, 'https://' );
560 if ( iframe_url.replace( /^http:\/\//i, 'https://' ) !== origin ) {
561 return;
562 }
563 frame.style.height = event.data + 'px';
564 });
565 } else if ( document.attachEvent ) {
566 window.attachEvent( 'message', function ( event ) {
567 var origin = event.origin.replace( /^http:\/\//i, 'https://' );
568 if ( iframe_url.replace( /^http:\/\//i, 'https://' ) !== origin ) {
569 return;
570 }
571 frame.style.height = event.data + 'px';
572 });
573 }
574 }
575 })
576
577 })();
578 </script>
579
580 <?php
581 }
582
583 /**
584 * Verify the hash included in remote comments.
585 *
586 * If the Jetpack token is missing we return nothing,
587 * and if the token is unknown or invalid, or comments not allowed, an error is returned.
588 *
589 * @since JetpackComments (1.4)
590 */
591 public function pre_comment_on_post() {
592 $post_array = stripslashes_deep( $_POST );
593
594 // Bail if missing the Jetpack token.
595 if ( ! isset( $post_array['sig'] ) || ! isset( $post_array['token_key'] ) ) {
596 unset( $_POST['hc_post_as'] );
597
598 return;
599 }
600
601 if ( empty( $post_array['jetpack_comments_nonce'] ) || ! wp_verify_nonce( $post_array['jetpack_comments_nonce'], "jetpack_comments_nonce-{$post_array['comment_post_ID']}" ) ) {
602 wp_die( esc_html__( 'Nonce verification failed.', 'jetpack' ), 400 );
603 }
604
605 if ( false !== strpos( $post_array['hc_avatar'], '.gravatar.com' ) ) {
606 $post_array['hc_avatar'] = htmlentities( $post_array['hc_avatar'], ENT_COMPAT );
607 }
608
609 $blog_token = ( new Tokens() )->get_access_token( false, $post_array['token_key'] );
610 if ( ! $blog_token || is_wp_error( $blog_token ) ) {
611 wp_die( esc_html__( 'Unknown security token.', 'jetpack' ), 400 );
612 }
613 $check = self::sign_remote_comment_parameters( $post_array, $blog_token->secret );
614 if ( is_wp_error( $check ) ) {
615 wp_die( esc_html( $check ) );
616 }
617
618 // Bail if token is expired or not valid.
619 if ( ! hash_equals( $check, $post_array['sig'] ) ) {
620 wp_die( esc_html__( 'Invalid security token.', 'jetpack' ), 400 );
621 }
622
623 /** This filter is documented in modules/comments/comments.php */
624 if ( ! apply_filters( 'jetpack_comment_form_enabled_for_' . get_post_type( $post_array['comment_post_ID'] ), true ) ) {
625 // In case the comment POST is legit, but the comments are
626 // now disabled, we don't allow the comment.
627
628 wp_die( esc_html__( 'Comments are not allowed.', 'jetpack' ), 403 );
629 }
630 }
631
632 /** Capabilities **********************************************************/
633
634 /**
635 * Add some additional comment meta after comment is saved about what
636 * service the comment is from, the avatar, user_id, etc...
637 *
638 * @since JetpackComments (1.4)
639 *
640 * @param int $comment_id The comment ID.
641 */
642 public function add_comment_meta( $comment_id ) {
643 $comment_meta = array();
644
645 // phpcs:disable WordPress.Security.NonceVerification.Missing
646 switch ( $this->is_highlander_comment_post() ) {
647 case 'facebook':
648 $comment_meta['hc_post_as'] = 'facebook';
649 $comment_meta['hc_avatar'] = isset( $_POST['hc_avatar'] ) ? filter_var( wp_unslash( $_POST['hc_avatar'] ) ) : null;
650 $comment_meta['hc_foreign_user_id'] = isset( $_POST['hc_userid'] ) ? filter_var( wp_unslash( $_POST['hc_userid'] ) ) : null;
651 break;
652
653 case 'twitter':
654 $comment_meta['hc_post_as'] = 'twitter';
655 $comment_meta['hc_avatar'] = isset( $_POST['hc_avatar'] ) ? filter_var( wp_unslash( $_POST['hc_avatar'] ) ) : null;
656 $comment_meta['hc_foreign_user_id'] = isset( $_POST['hc_userid'] ) ? filter_var( wp_unslash( $_POST['hc_userid'] ) ) : null;
657 break;
658
659 // phpcs:ignore WordPress.WP.CapitalPDangit
660 case 'wordpress':
661 // phpcs:ignore WordPress.WP.CapitalPDangit
662 $comment_meta['hc_post_as'] = 'wordpress';
663 $comment_meta['hc_avatar'] = isset( $_POST['hc_avatar'] ) ? filter_var( wp_unslash( $_POST['hc_avatar'] ) ) : null;
664 $comment_meta['hc_foreign_user_id'] = isset( $_POST['hc_userid'] ) ? filter_var( wp_unslash( $_POST['hc_userid'] ) ) : null;
665 $comment_meta['hc_wpcom_id_sig'] = isset( $_POST['hc_wpcom_id_sig'] ) ? filter_var( wp_unslash( $_POST['hc_wpcom_id_sig'] ) ) : null; // since 1.9.
666 break;
667
668 case 'jetpack':
669 $comment_meta['hc_post_as'] = 'jetpack';
670 $comment_meta['hc_avatar'] = isset( $_POST['hc_avatar'] ) ? filter_var( wp_unslash( $_POST['hc_avatar'] ) ) : null;
671 $comment_meta['hc_foreign_user_id'] = isset( $_POST['hc_userid'] ) ? filter_var( wp_unslash( $_POST['hc_userid'] ) ) : null;
672 break;
673
674 }
675 // phpcs:enable WordPress.Security.NonceVerification.Missing
676
677 // Bail if no extra comment meta.
678 if ( empty( $comment_meta ) ) {
679 return;
680 }
681
682 // Loop through extra meta and add values.
683 foreach ( $comment_meta as $key => $value ) {
684 add_comment_meta( $comment_id, $key, $value, true );
685 }
686 }
687
688 /**
689 * POST the submitted comment to the iframe
690 *
691 * @param string $url The comment URL origin.
692 */
693 public function capture_comment_post_redirect_to_reload_parent_frame( $url ) {
694 if ( ! isset( $_GET['for'] ) || 'jetpack' !== $_GET['for'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
695 return $url;
696 }
697 ?>
698 <!DOCTYPE html>
699 <html <?php language_attributes(); ?>>
700 <!--<![endif]-->
701 <head>
702 <meta charset="<?php bloginfo( 'charset' ); ?>" />
703 <title>
704 <?php
705 wp_kses_post(
706 printf(
707 /* translators: %s is replaced by an ellipsis */
708 __( 'Submitting Comment%s', 'jetpack' ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
709 '&hellip;'
710 )
711 );
712 ?>
713 </title>
714 <style type="text/css">
715 body {
716 display: table;
717 width: 100%;
718 height: 60%;
719 position: absolute;
720 top: 0;
721 left: 0;
722 overflow: hidden;
723 color: #333;
724 }
725
726 h1 {
727 text-align: center;
728 margin: 0;
729 padding: 0;
730 display: table-cell;
731 vertical-align: middle;
732 font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", sans-serif;
733 font-weight: normal;
734 }
735
736 .hidden {
737 opacity: 0;
738 }
739
740 h1 span {
741 -moz-transition-property: opacity;
742 -moz-transition-duration: 1s;
743 -moz-transition-timing-function: ease-in-out;
744
745 -webkit-transition-property: opacity;
746 -webkit-transition-duration: 1s;
747 -webbit-transition-timing-function: ease-in-out;
748
749 -o-transition-property: opacity;
750 -o-transition-duration: 1s;
751 -o-transition-timing-function: ease-in-out;
752
753 -ms-transition-property: opacity;
754 -ms-transition-duration: 1s;
755 -ms-transition-timing-function: ease-in-out;
756
757 transition-property: opacity;
758 transition-duration: 1s;
759 transition-timing-function: ease-in-out;
760 }
761 </style>
762 </head>
763 <body>
764 <h1>
765 <?php
766 wp_kses_post(
767 printf(
768 /* translators: %s is replaced by HTML markup to include an ellipsis */
769 __( 'Submitting Comment%s', 'jetpack' ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
770 '<span id="ellipsis" class="hidden">&hellip;</span>'
771 )
772 );
773 ?>
774 </h1>
775 <script type="text/javascript">
776 try {
777 window.parent.location = <?php echo wp_json_encode( $url ); ?>;
778 window.parent.location.reload(true);
779 } catch (e) {
780 window.location = <?php echo wp_json_encode( $url ); ?>;
781 window.location.reload(true);
782 }
783 ellipsis = document.getElementById('ellipsis');
784
785 function toggleEllipsis() {
786 ellipsis.className = ellipsis.className ? '' : 'hidden';
787 }
788
789 setInterval(toggleEllipsis, 1200);
790 </script>
791 </body>
792 </html>
793 <?php
794 exit;
795 }
796 }
797
798 Jetpack_Comments::init();
799