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Jetpack – WP Security, Backup, Speed, & Growth / 13.3.3
Jetpack – WP Security, Backup, Speed, & Growth v13.3.3
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jetpack / modules / carousel / jetpack-carousel.php
jetpack / modules / carousel Last commit date
jetpack-carousel-rtl.css 2 years ago jetpack-carousel.css 3 years ago jetpack-carousel.js 2 years ago jetpack-carousel.php 2 years ago readme.md 5 years ago swiper-bundle.css 5 years ago swiper-bundle.js 4 years ago
jetpack-carousel.php
1520 lines
1 <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2 /**
3 * Module: Jetpack Carousel
4 *
5 * @package automattic/jetpack
6 */
7
8 use Automattic\Jetpack\Assets;
9 use Automattic\Jetpack\Stats\Options as Stats_Options;
10 use Automattic\Jetpack\Status;
11 /**
12 * Jetpack_Carousel class.
13 */
14 class Jetpack_Carousel {
15 /**
16 * Defines Carousel pre-built widths
17 *
18 * @var array
19 */
20 public $prebuilt_widths = array( 370, 700, 1000, 1200, 1400, 2000 );
21
22 /**
23 * Localization strings and other data for the JavaScript
24 *
25 * @var array
26 */
27 public $localize_strings;
28
29 /**
30 * Represents whether or not this is the first load of Carousel on a page. Default is true.
31 *
32 * @var bool
33 */
34 public $first_run = true;
35
36 /**
37 * Determines whether or not to set in the gallery. Default is false.
38 *
39 * @deprecated since 10.8
40 *
41 * @var bool
42 */
43 public $in_gallery = false;
44
45 /**
46 * Determines whether the Jetpack class and method exists. Default is true.
47 *
48 * @var bool
49 */
50 public $in_jetpack = true;
51
52 /**
53 * Determines whether or not a single image gallery is enabled. Default is false.
54 *
55 * @var bool
56 */
57 public $single_image_gallery_enabled = false;
58
59 /**
60 * Determines whether images that link to themselves should be replaced with a one image gallery. Default is false.
61 *
62 * @var bool
63 */
64 public $single_image_gallery_enabled_media_file = false;
65
66 /**
67 * Constructor.
68 */
69 public function __construct() {
70 add_action( 'init', array( $this, 'init' ) );
71 }
72
73 /**
74 * Initialize class
75 */
76 public function init() {
77 if ( $this->maybe_disable_jp_carousel() ) {
78 return;
79 }
80
81 $this->in_jetpack = ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'enable_module_configurable' ) ) ? true : false;
82
83 $this->single_image_gallery_enabled = ! $this->maybe_disable_jp_carousel_single_images();
84 $this->single_image_gallery_enabled_media_file = $this->maybe_enable_jp_carousel_single_images_media_file();
85
86 // Disable core lightbox when Carousel is enabled.
87 add_action( 'wp_theme_json_data_theme', array( $this, 'disable_core_lightbox' ) );
88
89 if ( is_admin() ) {
90 // Register the Carousel-related related settings.
91 add_action( 'admin_init', array( $this, 'register_settings' ), 5 );
92 if ( ! $this->in_jetpack ) {
93 if ( 0 === $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {
94 return; // Carousel disabled, abort early, but still register setting so user can switch it back on.
95 }
96 }
97 // If in admin, register the ajax endpoints.
98 add_action( 'wp_ajax_get_attachment_comments', array( $this, 'get_attachment_comments' ) );
99 add_action( 'wp_ajax_nopriv_get_attachment_comments', array( $this, 'get_attachment_comments' ) );
100 add_action( 'wp_ajax_post_attachment_comment', array( $this, 'post_attachment_comment' ) );
101 add_action( 'wp_ajax_nopriv_post_attachment_comment', array( $this, 'post_attachment_comment' ) );
102 } else {
103 if ( ! $this->in_jetpack ) {
104 if ( 0 === $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {
105 return; // Carousel disabled, abort early.
106 }
107 }
108 // If on front-end, do the Carousel thang.
109 /**
110 * Filter the array of default prebuilt widths used in Carousel.
111 *
112 * @module carousel
113 *
114 * @since 1.6.0
115 *
116 * @param array $this->prebuilt_widths Array of default widths.
117 */
118 $this->prebuilt_widths = apply_filters( 'jp_carousel_widths', $this->prebuilt_widths );
119 // below: load later than other callbacks hooked it (e.g. 3rd party plugins handling gallery shortcode).
120 add_filter( 'post_gallery', array( $this, 'check_if_shortcode_processed_and_enqueue_assets' ), 1000, 2 );
121 add_filter( 'post_gallery', array( $this, 'set_in_gallery' ), -1000 );
122 add_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
123 add_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ), 10, 2 );
124 add_filter( 'jetpack_tiled_galleries_block_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
125 if ( $this->single_image_gallery_enabled ) {
126 add_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
127 }
128
129 // `is_amp_request()` can't be called until the 'wp' filter.
130 add_action( 'wp', array( $this, 'check_amp_support' ) );
131 }
132
133 if ( $this->in_jetpack ) {
134 Jetpack::enable_module_configurable( dirname( __DIR__ ) . '/carousel.php' );
135 }
136 }
137
138 /**
139 * Check AMP and add filters.
140 */
141 public function check_amp_support() {
142 if (
143 ! class_exists( 'Jetpack_AMP_Support' )
144 || ! Jetpack_AMP_Support::is_amp_request()
145 ) {
146 add_filter( 'render_block_core/gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
147 add_filter( 'render_block_jetpack/tiled-gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
148 }
149 }
150
151 /**
152 * Returns the value of the applied jp_carousel_maybe_disable filter
153 *
154 * @since 1.6.0
155 *
156 * @return bool - Should Carousel be disabled? Default to false.
157  */
158 public function maybe_disable_jp_carousel() {
159 /**
160 * Allow third-party plugins or themes to disable Carousel.
161 *
162 * @module carousel
163 *
164 * @since 1.6.0
165 *
166 * @param bool false Should Carousel be disabled? Default to false.
167 */
168 return apply_filters( 'jp_carousel_maybe_disable', false );
169 }
170
171 /**
172 * Returns the value of the applied jp_carousel_maybe_disable_single_images filter
173 *
174 * @since 4.5.0
175 *
176 * @return bool - Should Carousel be disabled for single images? Default to false.
177 */
178 public function maybe_disable_jp_carousel_single_images() {
179 /**
180 * Allow third-party plugins or themes to disable Carousel for single images.
181 *
182 * @module carousel
183 *
184 * @since 4.5.0
185 *
186 * @param bool false Should Carousel be disabled for single images? Default to false.
187 */
188 return apply_filters( 'jp_carousel_maybe_disable_single_images', false );
189 }
190
191 /**
192 * Returns the value of the applied jp_carousel_load_for_images_linked_to_file filter
193 *
194 * @since 4.5.0
195 *
196 * @return bool - Should Carousel be enabled for single images linking to 'Media File'? Default to false.
197 */
198 public function maybe_enable_jp_carousel_single_images_media_file() {
199 /**
200 * Allow third-party plugins or themes to enable Carousel
201 * for single images linking to 'Media File' (full size image).
202 *
203 * @module carousel
204 *
205 * @since 4.5.0
206 *
207 * @param bool false Should Carousel be enabled for single images linking to 'Media File'? Default to false.
208 */
209 return apply_filters( 'jp_carousel_load_for_images_linked_to_file', false );
210 }
211
212 /**
213 * Disable the "Lightbox" option offered in WordPress core
214 * whenever Jetpack's Carousel feature is enabled.
215 *
216 * @since 13.3
217 *
218 * @param WP_Theme_JSON_Data $theme_json Class to access and update theme.json data.
219 */
220 public function disable_core_lightbox( $theme_json ) {
221 return $theme_json->update_with(
222 array(
223 'version' => 2,
224 'settings' => array(
225 'blocks' => array(
226 'core/image' => array(
227 'lightbox' => array(
228 'allowEditing' => false,
229 'enabled' => false,
230 ),
231 ),
232 ),
233 ),
234 )
235 );
236 }
237
238 /**
239 * Returns the value of the applied jp_carousel_asset_version filter
240 *
241 * @since 1.6.0
242 *
243 * @param string $version Asset version.
244 *
245 * @return string
246 */
247 public function asset_version( $version ) {
248 /**
249 * Filter the version string used when enqueuing Carousel assets.
250 *
251 * @module carousel
252 *
253 * @since 1.6.0
254 *
255 * @param string $version Asset version.
256 */
257 return apply_filters( 'jp_carousel_asset_version', $version );
258 }
259
260 /**
261 * Displays a message on top of gallery if carousel has bailed.
262 *
263 * @param string $output Gallery shortcode output.
264 *
265 * @return string Shortcode output with bail message prepended.
266 */
267 public function display_bail_message( $output = '' ) {
268 $message = '<div class="jp-carousel-msg"><p>';
269 $message .= __( 'Jetpack\'s Carousel has been disabled, because another plugin or your theme is overriding the [gallery] shortcode.', 'jetpack' );
270 $message .= '</p></div>';
271 // put before gallery output.
272 $output = $message . $output;
273 return $output;
274 }
275
276 /**
277 * Determine whether Carousel is enabled, and adjust filters and enqueue assets accordingly.
278 *
279 * If no other filter hook produced output for the gallery shortcode or something returns true for
280 * the `jp_carousel_force_enable` filter, Carousel is enabled and we queue our assets. Otherwise
281 * it's disabled and we remove some of our subsequent filter hooks.
282 *
283 * @since 1.9.0
284 *
285 * @param string $output Gallery shortcode output.
286 *
287 * @return string Gallery shortcode output.
288 */
289 public function check_if_shortcode_processed_and_enqueue_assets( $output ) {
290 if (
291 class_exists( 'Jetpack_AMP_Support' )
292 && Jetpack_AMP_Support::is_amp_request()
293 ) {
294 return $output;
295 }
296
297 if (
298 ! empty( $output ) &&
299 /**
300 * Allow third-party plugins or themes to force-enable Carousel.
301 *
302 * @module carousel
303 *
304 * @since 1.9.0
305 *
306 * @param bool false Should we force enable Carousel? Default to false.
307 */
308 ! apply_filters( 'jp_carousel_force_enable', false )
309 ) {
310 // Bail because someone is overriding the [gallery] shortcode.
311 remove_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
312 remove_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ) );
313 remove_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
314 // Display message that carousel has bailed, if user is super_admin, and if we're not on WordPress.com.
315 if (
316 is_super_admin() &&
317 ! ( defined( 'IS_WPCOM' ) && IS_WPCOM )
318 ) {
319 add_filter( 'post_gallery', array( $this, 'display_bail_message' ) );
320 }
321 return $output;
322 }
323
324 /**
325 * Fires when thumbnails are shown in Carousel.
326 *
327 * @module carousel
328 *
329 * @since 1.6.0
330 */
331 do_action( 'jp_carousel_thumbnails_shown' );
332
333 $this->enqueue_assets();
334
335 return $output;
336 }
337
338 /**
339 * Check if the content of a post uses gallery blocks. To be used by 'the_content' filter.
340 *
341 * @since 6.8.0
342 * @deprecated since 11.3 We now hook into the 'block_render_{block_name}' hook to add markup.
343 *
344 * @param string $content Post content.
345 *
346 * @return string $content Post content.
347 */
348 public function check_content_for_blocks( $content ) {
349 _deprecated_function( __METHOD__, 'jetpack-11.3' );
350
351 if (
352 class_exists( 'Jetpack_AMP_Support' )
353 && Jetpack_AMP_Support::is_amp_request()
354 ) {
355 return $content;
356 }
357
358 if ( has_block( 'gallery', $content ) || has_block( 'jetpack/tiled-gallery', $content ) ) {
359 $this->enqueue_assets();
360 $content = $this->add_data_to_container( $content );
361 }
362
363 return $content;
364 }
365
366 /**
367 * Enrich the gallery block content using the render_block_{$this->name} filter.
368 * This function is triggered after block render to make sure we track galleries within
369 * reusable blocks.
370 *
371 * @see https://developer.wordpress.org/reference/hooks/render_block_this-name/
372 *
373 * @param string $block_content The rendered HTML for the carousel or gallery block.
374 * @param array $block The parsed block details for the block.
375 * @return string The fully-processed HTML for the carousel or gallery block.
376 *
377 * @since 11.3
378 */
379 public function filter_gallery_block_render( $block_content, $block ) {
380 global $post;
381
382 if ( empty( $block['blockName'] ) || ! in_array( $block['blockName'], array( 'core/gallery', 'jetpack/tiled-gallery' ), true ) ) {
383 return $block_content;
384 }
385
386 $this->enqueue_assets();
387
388 if ( ! isset( $post ) ) {
389 return $block_content;
390 }
391
392 $blog_id = (int) get_current_blog_id();
393
394 $extra_data = array(
395 'data-carousel-extra' => array(
396 'blog_id' => $blog_id,
397 'permalink' => get_permalink( $post->ID ),
398 ),
399 );
400
401 /**
402 * Filter the data added to the Gallery container.
403 *
404 * @module carousel
405 *
406 * @since 1.6.0
407 *
408 * @param array $extra_data Array of data about the site and the post.
409 */
410 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
411 $extra_data = (array) $extra_data;
412
413 if ( empty( $extra_data ) ) {
414 return $block_content;
415 }
416
417 $extra_attributes = implode(
418 ' ',
419 array_map(
420 function ( $data_key, $data_values ) {
421 return esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "'";
422 },
423 array_keys( $extra_data ),
424 array_values( $extra_data )
425 )
426 );
427
428 // Add extra attributes to first HTML element (which may have leading whitespace)
429 return preg_replace(
430 '/^(\s*<(div|ul|figure))/',
431 '$1 ' . $extra_attributes . ' ',
432 $block_content,
433 1
434 );
435 }
436
437 /**
438 * Enqueueing Carousel assets.
439 */
440 public function enqueue_assets() {
441 if ( $this->first_run ) {
442 wp_enqueue_script(
443 'jetpack-carousel',
444 Assets::get_file_url_for_environment(
445 '_inc/build/carousel/jetpack-carousel.min.js',
446 'modules/carousel/jetpack-carousel.js'
447 ),
448 array(),
449 $this->asset_version( JETPACK__VERSION ),
450 true
451 );
452
453 $swiper_library_path = array(
454 'url' => Assets::get_file_url_for_environment(
455 '_inc/build/carousel/swiper-bundle.min.js',
456 'modules/carousel/swiper-bundle.js'
457 ),
458 );
459 wp_localize_script( 'jetpack-carousel', 'jetpackSwiperLibraryPath', $swiper_library_path );
460
461 // Note: using home_url() instead of admin_url() for ajaxurl to be sure to get same domain on wpcom when using mapped domains (also works on self-hosted).
462 // Also: not hardcoding path since there is no guarantee site is running on site root in self-hosted context.
463 $is_logged_in = is_user_logged_in();
464 $comment_registration = (int) get_option( 'comment_registration' );
465 $require_name_email = (int) get_option( 'require_name_email' );
466 $localize_strings = array(
467 'widths' => $this->prebuilt_widths,
468 'is_logged_in' => $is_logged_in,
469 'lang' => strtolower( substr( get_locale(), 0, 2 ) ),
470 'ajaxurl' => set_url_scheme( admin_url( 'admin-ajax.php' ) ),
471 'nonce' => wp_create_nonce( 'carousel_nonce' ),
472 'display_exif' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_exif', true ) ),
473 'display_comments' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_comments', true ) ),
474 'single_image_gallery' => $this->single_image_gallery_enabled,
475 'single_image_gallery_media_file' => $this->single_image_gallery_enabled_media_file,
476 'background_color' => $this->carousel_background_color_sanitize( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_background_color', '' ) ),
477 'comment' => __( 'Comment', 'jetpack' ),
478 'post_comment' => __( 'Post Comment', 'jetpack' ),
479 'write_comment' => __( 'Write a Comment...', 'jetpack' ),
480 'loading_comments' => __( 'Loading Comments...', 'jetpack' ),
481 'download_original' => sprintf(
482 /* translators: %1s is the full-size image width, and %2s is the height. */
483 __( 'View full size <span class="photo-size">%1$s<span class="photo-size-times">&times;</span>%2$s</span>', 'jetpack' ),
484 '{0}',
485 '{1}'
486 ),
487 'no_comment_text' => __( 'Please be sure to submit some text with your comment.', 'jetpack' ),
488 'no_comment_email' => __( 'Please provide an email address to comment.', 'jetpack' ),
489 'no_comment_author' => __( 'Please provide your name to comment.', 'jetpack' ),
490 'comment_post_error' => __( 'Sorry, but there was an error posting your comment. Please try again later.', 'jetpack' ),
491 'comment_approved' => __( 'Your comment was approved.', 'jetpack' ),
492 'comment_unapproved' => __( 'Your comment is in moderation.', 'jetpack' ),
493 'camera' => __( 'Camera', 'jetpack' ),
494 'aperture' => __( 'Aperture', 'jetpack' ),
495 'shutter_speed' => __( 'Shutter Speed', 'jetpack' ),
496 'focal_length' => __( 'Focal Length', 'jetpack' ),
497 'copyright' => __( 'Copyright', 'jetpack' ),
498 'comment_registration' => $comment_registration,
499 'require_name_email' => $require_name_email,
500 /** This action is documented in core/src/wp-includes/link-template.php */
501 'login_url' => wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ),
502 'blog_id' => (int) get_current_blog_id(),
503 'meta_data' => array( 'camera', 'aperture', 'shutter_speed', 'focal_length', 'copyright' ),
504 );
505
506 /**
507 * Handle WP stats for images in full-screen.
508 * Build string with tracking info.
509 */
510
511 /**
512 * Filter if Jetpack should enable stats collection on carousel views
513 *
514 * @module carousel
515 *
516 * @since 4.3.2
517 *
518 * @param bool Enable Jetpack Carousel stat collection. Default false.
519 */
520 if ( apply_filters( 'jetpack_enable_carousel_stats', false ) && in_array( 'stats', Jetpack::get_active_modules(), true ) && ! ( new Status() )->is_offline_mode() ) {
521 $localize_strings['stats'] = 'blog=' . Jetpack_Options::get_option( 'id' ) . '&host=' . wp_parse_url( get_option( 'home' ), PHP_URL_HOST ) . '&v=ext&j=' . JETPACK__API_VERSION . ':' . JETPACK__VERSION;
522
523 // Set the stats as empty if user is logged in but logged-in users shouldn't be tracked.
524 if ( is_user_logged_in() ) {
525 $stats_options = Stats_Options::get_options();
526 $track_loggedin_users = isset( $stats_options['count_roles'] ) ? (bool) $stats_options['count_roles'] : false;
527
528 if ( ! $track_loggedin_users ) {
529 $localize_strings['stats'] = '';
530 }
531 }
532 }
533
534 /**
535 * Filter the strings passed to the Carousel's js file.
536 *
537 * @module carousel
538 *
539 * @since 1.6.0
540 *
541 * @param array $localize_strings Array of strings passed to the Jetpack js file.
542 */
543 $localize_strings = apply_filters( 'jp_carousel_localize_strings', $localize_strings );
544 wp_localize_script( 'jetpack-carousel', 'jetpackCarouselStrings', $localize_strings );
545 wp_enqueue_style(
546 'jetpack-carousel-swiper-css',
547 plugins_url( 'swiper-bundle.css', __FILE__ ),
548 array(),
549 $this->asset_version( JETPACK__VERSION )
550 );
551 wp_enqueue_style( 'jetpack-carousel', plugins_url( 'jetpack-carousel.css', __FILE__ ), array(), $this->asset_version( JETPACK__VERSION ) );
552 wp_style_add_data( 'jetpack-carousel', 'rtl', 'replace' );
553
554 /**
555 * Fires after carousel assets are enqueued for the first time.
556 * Allows for adding additional assets to the carousel page.
557 *
558 * @module carousel
559 *
560 * @since 1.6.0
561 *
562 * @param bool $first_run First load if Carousel on the page.
563 * @param array $localized_strings Array of strings passed to the Jetpack js file.
564 */
565 do_action( 'jp_carousel_enqueue_assets', $this->first_run, $localize_strings );
566
567 // Add the carousel skeleton to the page.
568 $this->localize_strings = $localize_strings;
569 add_action( 'wp_footer', array( $this, 'add_carousel_skeleton' ) );
570
571 $this->first_run = false;
572 }
573 }
574
575 /**
576 * Generate the HTML skeleton that will be picked up by the Carousel JS and used for showing the carousel.
577 */
578 public function add_carousel_skeleton() {
579 $localize_strings = $this->localize_strings;
580 $is_light = ( 'white' === $localize_strings['background_color'] );
581 // Determine whether to fall back to standard local comments.
582 $use_local_comments = ! isset( $localize_strings['jetpack_comments_iframe_src'] ) || empty( $localize_strings['jetpack_comments_iframe_src'] );
583 $current_user = wp_get_current_user();
584 $require_name_email = (int) get_option( 'require_name_email' );
585 /* translators: %s is replaced with a field name in the form, e.g. "Email" */
586 $required = ( $require_name_email ) ? __( '%s (Required)', 'jetpack' ) : '%s';
587 ?>
588 <div id="jp-carousel-loading-overlay">
589 <div id="jp-carousel-loading-wrapper">
590 <span id="jp-carousel-library-loading">&nbsp;</span>
591 </div>
592 </div>
593 <div class="jp-carousel-overlay<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>" style="display: none;">
594
595 <div class="jp-carousel-container<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>">
596 <!-- The Carousel Swiper -->
597 <div
598 class="jp-carousel-wrap swiper-container jp-carousel-swiper-container jp-carousel-transitions"
599 itemscope
600 itemtype="https://schema.org/ImageGallery">
601 <div class="jp-carousel swiper-wrapper"></div>
602 <div class="jp-swiper-button-prev swiper-button-prev">
603 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
604 <mask id="maskPrev" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="9" height="12">
605 <path d="M16.2072 16.59L11.6496 12L16.2072 7.41L14.8041 6L8.8335 12L14.8041 18L16.2072 16.59Z" fill="white"/>
606 </mask>
607 <g mask="url(#maskPrev)">
608 <rect x="0.579102" width="23.8823" height="24" fill="#FFFFFF"/>
609 </g>
610 </svg>
611 </div>
612 <div class="jp-swiper-button-next swiper-button-next">
613 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
614 <mask id="maskNext" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="8" height="12">
615 <path d="M8.59814 16.59L13.1557 12L8.59814 7.41L10.0012 6L15.9718 12L10.0012 18L8.59814 16.59Z" fill="white"/>
616 </mask>
617 <g mask="url(#maskNext)">
618 <rect x="0.34375" width="23.8822" height="24" fill="#FFFFFF"/>
619 </g>
620 </svg>
621 </div>
622 </div>
623 <!-- The main close buton -->
624 <div class="jp-carousel-close-hint">
625 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
626 <mask id="maskClose" mask-type="alpha" maskUnits="userSpaceOnUse" x="5" y="5" width="15" height="14">
627 <path d="M19.3166 6.41L17.9135 5L12.3509 10.59L6.78834 5L5.38525 6.41L10.9478 12L5.38525 17.59L6.78834 19L12.3509 13.41L17.9135 19L19.3166 17.59L13.754 12L19.3166 6.41Z" fill="white"/>
628 </mask>
629 <g mask="url(#maskClose)">
630 <rect x="0.409668" width="23.8823" height="24" fill="#FFFFFF"/>
631 </g>
632 </svg>
633 </div>
634 <!-- Image info, comments and meta -->
635 <div class="jp-carousel-info">
636 <div class="jp-carousel-info-footer">
637 <div class="jp-carousel-pagination-container">
638 <div class="jp-swiper-pagination swiper-pagination"></div>
639 <div class="jp-carousel-pagination"></div>
640 </div>
641 <div class="jp-carousel-photo-title-container">
642 <h2 class="jp-carousel-photo-caption"></h2>
643 </div>
644 <div class="jp-carousel-photo-icons-container">
645 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-info" aria-label="<?php esc_attr_e( 'Toggle photo metadata visibility', 'jetpack' ); ?>">
646 <span class="jp-carousel-icon">
647 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
648 <mask id="maskInfo" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
649 <path fill-rule="evenodd" clip-rule="evenodd" d="M12.7537 2C7.26076 2 2.80273 6.48 2.80273 12C2.80273 17.52 7.26076 22 12.7537 22C18.2466 22 22.7046 17.52 22.7046 12C22.7046 6.48 18.2466 2 12.7537 2ZM11.7586 7V9H13.7488V7H11.7586ZM11.7586 11V17H13.7488V11H11.7586ZM4.79292 12C4.79292 16.41 8.36531 20 12.7537 20C17.142 20 20.7144 16.41 20.7144 12C20.7144 7.59 17.142 4 12.7537 4C8.36531 4 4.79292 7.59 4.79292 12Z" fill="white"/>
650 </mask>
651 <g mask="url(#maskInfo)">
652 <rect x="0.8125" width="23.8823" height="24" fill="#FFFFFF"/>
653 </g>
654 </svg>
655 </span>
656 </a>
657 <?php if ( $localize_strings['display_comments'] ) : ?>
658 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-comments" aria-label="<?php esc_attr_e( 'Toggle photo comments visibility', 'jetpack' ); ?>">
659 <span class="jp-carousel-icon">
660 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
661 <mask id="maskComments" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
662 <path fill-rule="evenodd" clip-rule="evenodd" d="M4.3271 2H20.2486C21.3432 2 22.2388 2.9 22.2388 4V16C22.2388 17.1 21.3432 18 20.2486 18H6.31729L2.33691 22V4C2.33691 2.9 3.2325 2 4.3271 2ZM6.31729 16H20.2486V4H4.3271V18L6.31729 16Z" fill="white"/>
663 </mask>
664 <g mask="url(#maskComments)">
665 <rect x="0.34668" width="23.8823" height="24" fill="#FFFFFF"/>
666 </g>
667 </svg>
668
669 <span class="jp-carousel-has-comments-indicator" aria-label="<?php esc_attr_e( 'This image has comments.', 'jetpack' ); ?>"></span>
670 </span>
671 </a>
672 <?php endif; ?>
673 </div>
674 </div>
675 <div class="jp-carousel-info-extra">
676 <div class="jp-carousel-info-content-wrapper">
677 <div class="jp-carousel-photo-title-container">
678 <h2 class="jp-carousel-photo-title"></h2>
679 </div>
680 <div class="jp-carousel-comments-wrapper">
681 <?php if ( $localize_strings['display_comments'] ) : ?>
682 <div id="jp-carousel-comments-loading">
683 <span><?php echo esc_html( $localize_strings['loading_comments'] ); ?></span>
684 </div>
685 <div class="jp-carousel-comments"></div>
686 <div id="jp-carousel-comment-form-container">
687 <span id="jp-carousel-comment-form-spinner">&nbsp;</span>
688 <div id="jp-carousel-comment-post-results"></div>
689 <?php if ( $use_local_comments ) : ?>
690 <?php if ( ! $localize_strings['is_logged_in'] && $localize_strings['comment_registration'] ) : ?>
691 <div id="jp-carousel-comment-form-commenting-as">
692 <p id="jp-carousel-commenting-as">
693 <?php
694 echo wp_kses(
695 __( 'You must be <a href="#" class="jp-carousel-comment-login">logged in</a> to post a comment.', 'jetpack' ),
696 array(
697 'a' => array(
698 'href' => array(),
699 'class' => array(),
700 ),
701 )
702 );
703 ?>
704 </p>
705 </div>
706 <?php else : ?>
707 <form id="jp-carousel-comment-form">
708 <label for="jp-carousel-comment-form-comment-field" class="screen-reader-text"><?php echo esc_attr( $localize_strings['write_comment'] ); ?></label>
709 <textarea
710 name="comment"
711 class="jp-carousel-comment-form-field jp-carousel-comment-form-textarea"
712 id="jp-carousel-comment-form-comment-field"
713 placeholder="<?php echo esc_attr( $localize_strings['write_comment'] ); ?>"
714 ></textarea>
715 <div id="jp-carousel-comment-form-submit-and-info-wrapper">
716 <div id="jp-carousel-comment-form-commenting-as">
717 <?php if ( $localize_strings['is_logged_in'] ) : ?>
718 <p id="jp-carousel-commenting-as">
719 <?php
720 printf(
721 /* translators: %s is replaced with the user's display name */
722 esc_html__( 'Commenting as %s', 'jetpack' ),
723 esc_html( $current_user->data->display_name )
724 );
725 ?>
726 </p>
727 <?php else : ?>
728 <fieldset>
729 <label for="jp-carousel-comment-form-email-field"><?php echo esc_html( sprintf( $required, __( 'Email', 'jetpack' ) ) ); ?></label>
730 <input type="text" name="email" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-email-field" />
731 </fieldset>
732 <fieldset>
733 <label for="jp-carousel-comment-form-author-field"><?php echo esc_html( sprintf( $required, __( 'Name', 'jetpack' ) ) ); ?></label>
734 <input type="text" name="author" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-author-field" />
735 </fieldset>
736 <fieldset>
737 <label for="jp-carousel-comment-form-url-field"><?php esc_html_e( 'Website', 'jetpack' ); ?></label>
738 <input type="text" name="url" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-url-field" />
739 </fieldset>
740 <?php endif ?>
741 </div>
742 <input
743 type="submit"
744 name="submit"
745 class="jp-carousel-comment-form-button"
746 id="jp-carousel-comment-form-button-submit"
747 value="<?php echo esc_attr( $localize_strings['post_comment'] ); ?>" />
748 </div>
749 </form>
750 <?php endif ?>
751 <?php endif ?>
752 </div>
753 <?php endif ?>
754 </div>
755 <div class="jp-carousel-image-meta">
756 <div class="jp-carousel-title-and-caption">
757 <div class="jp-carousel-photo-info">
758 <h3 class="jp-carousel-caption" itemprop="caption description"></h3>
759 </div>
760
761 <div class="jp-carousel-photo-description"></div>
762 </div>
763 <ul class="jp-carousel-image-exif" style="display: none;"></ul>
764 <a class="jp-carousel-image-download" href="#" target="_blank" style="display: none;">
765 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
766 <mask id="mask0" mask-type="alpha" maskUnits="userSpaceOnUse" x="3" y="3" width="19" height="18">
767 <path fill-rule="evenodd" clip-rule="evenodd" d="M5.84615 5V19H19.7775V12H21.7677V19C21.7677 20.1 20.8721 21 19.7775 21H5.84615C4.74159 21 3.85596 20.1 3.85596 19V5C3.85596 3.9 4.74159 3 5.84615 3H12.8118V5H5.84615ZM14.802 5V3H21.7677V10H19.7775V6.41L9.99569 16.24L8.59261 14.83L18.3744 5H14.802Z" fill="white"/>
768 </mask>
769 <g mask="url(#mask0)">
770 <rect x="0.870605" width="23.8823" height="24" fill="#FFFFFF"/>
771 </g>
772 </svg>
773 <span class="jp-carousel-download-text"></span>
774 </a>
775 <div class="jp-carousel-image-map" style="display: none;"></div>
776 </div>
777 </div>
778 </div>
779 </div>
780 </div>
781
782 </div>
783 <?php
784 }
785
786 /**
787 * Sets the "in_gallery" flag when the first gallery is encountered (unless in AMP mode).
788 *
789 * @deprecated since 10.8
790 *
791 * @param string $output Gallery shortcode output. Passed through unchanged.
792 *
793 * @return string
794 */
795 public function set_in_gallery( $output ) {
796 if (
797 class_exists( 'Jetpack_AMP_Support' )
798 && Jetpack_AMP_Support::is_amp_request()
799 ) {
800 return $output;
801 }
802 $this->in_gallery = true;
803 return $output;
804 }
805
806 /**
807 * Adds data-* attributes required by carousel to img tags in post HTML
808 * content. To be used by 'the_content' filter.
809 *
810 * @see add_data_to_images()
811 * @see wp_make_content_images_responsive() in wp-includes/media.php
812 *
813 * @param string $content HTML content of the post.
814 * @return string
815 */
816 public function add_data_img_tags_and_enqueue_assets( $content ) {
817 if (
818 class_exists( 'Jetpack_AMP_Support' )
819 && Jetpack_AMP_Support::is_amp_request()
820 ) {
821 return $this->maybe_add_amp_lightbox( $content );
822 }
823
824 if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
825 return $content;
826 }
827 $selected_images = array();
828 foreach ( $matches[0] as $image_html ) {
829 if (
830 preg_match( '/(wp-image-|data-id=)\"?([0-9]+)\"?/i', $image_html, $class_id )
831 && ! preg_match( '/wp-block-jetpack-slideshow_image/', $image_html )
832 ) {
833 /**
834 * Allow filtering the attachment ID used to fetch and populate metadata about an image in a gallery.
835 *
836 * @module carousel
837 *
838 * @since 12.6
839 *
840 * @param int $attachment_id Attachment ID pulled from image HTML.
841 * @param string $image_html Full HTML image tag.
842 */
843 $attachment_id = absint(
844 apply_filters(
845 'jetpack_carousel_image_attachment_id',
846 $class_id[2],
847 $image_html
848 )
849 );
850
851 /**
852 * The same image tag may be used more than once but with different attribs,
853 * so save each of them against the attachment id.
854 */
855 if ( ! isset( $selected_images[ $attachment_id ] ) || ! in_array( $image_html, $selected_images[ $attachment_id ], true ) ) {
856 $selected_images[ $attachment_id ][] = $image_html;
857 }
858 }
859 }
860
861 $find = array();
862 $replace = array();
863 if ( empty( $selected_images ) ) {
864 return $content;
865 }
866
867 $attachments = get_posts(
868 array(
869 'include' => array_keys( $selected_images ),
870 'post_type' => 'any',
871 'post_status' => 'any',
872 'suppress_filters' => false,
873 )
874 );
875
876 foreach ( $attachments as $attachment ) {
877 /*
878 * If the item from get_posts isn't an attachment, skip. This can occur when copy-pasta from another WP site.
879 * For example, if one copies "<img class="wp-image-7 size-full" src="https://twentysixteendemo.files.wordpress.com/2015/11/post.png" alt="post" width="1000" height="563" />"
880 * then, we're going to look up post 7 below, which making sure it is an attachment.
881 *
882 * This is meant as a relatively quick fix, as a better fix is likely to update the get_posts call above to only
883 * include attachments.
884 */
885 if ( ! isset( $attachment->ID ) || ! wp_attachment_is_image( $attachment->ID ) ) {
886 continue;
887 }
888 $image_elements = $selected_images[ $attachment->ID ];
889
890 if ( ! is_array( $image_elements ) ) {
891 continue;
892 }
893
894 $attributes = $this->add_data_to_images( array(), $attachment );
895 $attributes_html = '';
896 foreach ( $attributes as $k => $v ) {
897 $attributes_html .= esc_attr( $k ) . '="' . esc_attr( $v ) . '" ';
898 }
899 foreach ( $image_elements as $image_html ) {
900 $find[] = $image_html;
901 $replace[] = str_replace( '<img ', "<img $attributes_html", $image_html );
902 }
903 }
904
905 $content = str_replace( $find, $replace, $content );
906 $this->enqueue_assets();
907 return $content;
908 }
909
910 /**
911 * Adds the data attributes themselves to img tags.
912 *
913 * @see add_data_img_tags_and_enqueue_assets()
914 * @see https://developer.wordpress.org/reference/functions/wp_get_attachment_image/ Documentation about wp_get_attachment_image
915 *
916 * @param string[] $attr Array of attribute values for the image markup, keyed by attribute name.
917 * @param WP_Post $attachment Image attachment post.
918 *
919 * @return string[] Modified image attributes.
920 */
921 public function add_data_to_images( $attr, $attachment = null ) {
922 if (
923 class_exists( 'Jetpack_AMP_Support' )
924 && Jetpack_AMP_Support::is_amp_request()
925 ) {
926 return $attr;
927 }
928
929 $attachment_id = (int) $attachment->ID;
930 if ( ! wp_attachment_is_image( $attachment_id ) ) {
931 return $attr;
932 }
933
934 $orig_file = wp_get_attachment_image_src( $attachment_id, 'full' );
935 $orig_file = isset( $orig_file[0] ) ? $orig_file[0] : wp_get_attachment_url( $attachment_id );
936 $meta = wp_get_attachment_metadata( $attachment_id );
937 $size = isset( $meta['width'] ) ? (int) $meta['width'] . ',' . (int) $meta['height'] : '';
938 $img_meta = ( ! empty( $meta['image_meta'] ) ) ? (array) $meta['image_meta'] : array();
939 $comments_opened = (int) comments_open( $attachment_id );
940
941 /**
942 * Note: Cannot generate a filename from the width and height wp_get_attachment_image_src() returns because
943 * it takes the $content_width global variable themes can set in consideration, therefore returning sizes
944 * which when used to generate a filename will likely result in a 404 on the image.
945 * $content_width has no filter we could temporarily de-register, run wp_get_attachment_image_src(), then
946 * re-register. So using returned file URL instead, which we can define the sizes from through filename
947 * parsing in the JS, as this is a failsafe file reference.
948 *
949 * EG with Twenty Eleven activated:
950 * array(4) { [0]=> string(82) "http://vanillawpinstall.blah/wp-content/uploads/2012/06/IMG_3534-1024x764.jpg" [1]=> int(584) [2]=> int(435) [3]=> bool(true) }
951 *
952 * EG with Twenty Ten activated:
953 * array(4) { [0]=> string(82) "http://vanillawpinstall.blah/wp-content/uploads/2012/06/IMG_3534-1024x764.jpg" [1]=> int(640) [2]=> int(477) [3]=> bool(true) }
954 */
955
956 $medium_file_info = wp_get_attachment_image_src( $attachment_id, 'medium' );
957 $medium_file = isset( $medium_file_info[0] ) ? $medium_file_info[0] : '';
958
959 $large_file_info = wp_get_attachment_image_src( $attachment_id, 'large' );
960 $large_file = isset( $large_file_info[0] ) ? $large_file_info[0] : '';
961
962 $attachment = get_post( $attachment_id );
963 $attachment_title = ! empty( $attachment ) ? wptexturize( $attachment->post_title ) : '';
964 $attachment_desc = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_content ) ) : '';
965 $attachment_caption = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_excerpt ) ) : '';
966
967 // See https://github.com/Automattic/jetpack/issues/2765.
968 if ( isset( $img_meta['keywords'] ) ) {
969 unset( $img_meta['keywords'] );
970 }
971
972 $img_meta = wp_json_encode( array_map( 'strval', array_filter( $img_meta, 'is_scalar' ) ) );
973
974 $attr['data-attachment-id'] = $attachment_id;
975 $attr['data-permalink'] = esc_attr( get_permalink( $attachment_id ) );
976 $attr['data-orig-file'] = esc_attr( $orig_file );
977 $attr['data-orig-size'] = $size;
978 $attr['data-comments-opened'] = $comments_opened;
979 $attr['data-image-meta'] = esc_attr( $img_meta );
980 // The lines below use `esc_attr( htmlspecialchars( ) )` because esc_attr tries to be too smart and won't double-encode, and we need that here.
981 $attr['data-image-title'] = esc_attr( htmlspecialchars( $attachment_title, ENT_COMPAT ) );
982 $attr['data-image-description'] = esc_attr( htmlspecialchars( $attachment_desc, ENT_COMPAT ) );
983 $attr['data-image-caption'] = esc_attr( htmlspecialchars( $attachment_caption, ENT_COMPAT ) );
984 $attr['data-medium-file'] = esc_attr( $medium_file );
985 $attr['data-large-file'] = esc_attr( $large_file );
986
987 return $attr;
988 }
989
990 /**
991 * Add additional attributes to the Gallery container HTML.
992 *
993 * @param string $html The HTML to which the additional attributes are added.
994 *
995 * @return string
996 */
997 public function add_data_to_container( $html ) {
998 global $post;
999 if (
1000 class_exists( 'Jetpack_AMP_Support' )
1001 && Jetpack_AMP_Support::is_amp_request()
1002 ) {
1003 return $html;
1004 }
1005
1006 if ( isset( $post ) ) {
1007 $blog_id = (int) get_current_blog_id();
1008
1009 $extra_data = array(
1010 'data-carousel-extra' => array(
1011 'blog_id' => $blog_id,
1012 'permalink' => get_permalink( $post->ID ),
1013 ),
1014 );
1015
1016 /**
1017 * Filter the data added to the Gallery container.
1018 *
1019 * @module carousel
1020 *
1021 * @since 1.6.0
1022 *
1023 * @param array $extra_data Array of data about the site and the post.
1024 */
1025 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
1026 foreach ( (array) $extra_data as $data_key => $data_values ) {
1027 $html = str_replace( '<div ', '<div ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' ", $html );
1028 $html = str_replace( '<ul class="wp-block-gallery', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"wp-block-gallery", $html );
1029 $html = str_replace( '<ul class="blocks-gallery-grid', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"blocks-gallery-grid", $html );
1030 $html = preg_replace( '/\<figure([^>]*)class="(wp-block-gallery[^"]*?has-nested-images.*?)"/', '<figure ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' $1 class=\"$2\"", $html );
1031 }
1032 }
1033
1034 return $html;
1035 }
1036
1037 /**
1038 * Conditionally adds amp-lightbox to galleries and images.
1039 *
1040 * This applies to gallery blocks and shortcodes,
1041 * in addition to images that are wrapped in a link to the page.
1042 * Images wrapped in a link to the media file shouldn't get an amp-lightbox.
1043 *
1044 * @param string $content The content to possibly add amp-lightbox to.
1045 * @return string The content, with amp-lightbox possibly added.
1046 */
1047 public function maybe_add_amp_lightbox( $content ) {
1048 $content = preg_replace(
1049 array(
1050 '#(<figure)[^>]*(?=class=(["\']?)[^>]*wp-block-gallery[^>]*\2)#is', // Gallery block.
1051 '#(\[gallery)(?=\s+)#', // Gallery shortcode.
1052 ),
1053 array(
1054 '\1 data-amp-lightbox="true" ', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/sanitizers/class-amp-gallery-block-sanitizer.php#L84.
1055 '\1 amp-lightbox="true"', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/embeds/class-amp-gallery-embed.php#L64.
1056 ),
1057 $content
1058 );
1059
1060 return preg_replace_callback(
1061 '#(<a[^>]* href=(["\']?)(\S+)\2>)\s*(<img[^>]*)(class=(["\']?)[^>]*wp-image-[0-9]+[^>]*\6.*>)\s*</a>#is',
1062 static function ( $matches ) {
1063 if ( ! preg_match( '#\.\w+$#', $matches[3] ) ) {
1064 // The a[href] doesn't end in a file extension like .jpeg, so this is not a link to the media file, and should get a lightbox.
1065 return $matches[4] . ' data-amp-lightbox="true" lightbox="true" ' . $matches[5]; // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/sanitizers/class-amp-img-sanitizer.php#L419.
1066 }
1067
1068 return $matches[0];
1069 },
1070 $content
1071 );
1072 }
1073
1074 /**
1075 * Retrieves comment information
1076 *
1077 * @return string
1078 */
1079 public function get_attachment_comments() {
1080 if ( ! headers_sent() ) {
1081 header( 'Content-type: text/javascript' );
1082 }
1083
1084 /**
1085 * Allows for the checking of privileges of the blog user before comments
1086 * are packaged as JSON and sent back from the get_attachment_comments
1087 * AJAX endpoint
1088 *
1089 * @module carousel
1090 *
1091 * @since 1.6.0
1092 */
1093 do_action( 'jp_carousel_check_blog_user_privileges' );
1094
1095 // phpcs:disable WordPress.Security.NonceVerification.Recommended -- we do not need to verify the nonce for this public request for publicly accessible data (as checked below).
1096 $attachment_id = ( isset( $_REQUEST['id'] ) ) ? (int) $_REQUEST['id'] : 0;
1097 $offset = ( isset( $_REQUEST['offset'] ) ) ? (int) $_REQUEST['offset'] : 0;
1098 // phpcs:enable
1099
1100 if ( ! $attachment_id ) {
1101 wp_send_json_error(
1102 __( 'Missing attachment ID.', 'jetpack' ),
1103 403
1104 );
1105 return;
1106 }
1107
1108 $attachment_post = get_post( $attachment_id );
1109 // If we have no info about that attachment, bail.
1110 if ( ! ( $attachment_post instanceof WP_Post ) ) {
1111 wp_send_json_error(
1112 __( 'Missing attachment info.', 'jetpack' ),
1113 403
1114 );
1115 return;
1116 }
1117
1118 // This AJAX call should only be used to fetch comments of attachments.
1119 if ( 'attachment' !== $attachment_post->post_type ) {
1120 wp_send_json_error(
1121 __( 'You aren’t authorized to do that.', 'jetpack' ),
1122 403
1123 );
1124 return;
1125 }
1126
1127 $parent_post = get_post_parent( $attachment_id );
1128
1129 /*
1130 * If we have no info about that parent post, no extra checks.
1131 * The attachment doesn't have a parent post, so is public.
1132 * If we have a parent post, let's ensure the user has access to it.
1133 */
1134 if ( $parent_post instanceof WP_Post ) {
1135 /*
1136 * Fetch info about user making the request.
1137 * If we have no info, bail.
1138 * Even logged out users should get a WP_User user with id 0.
1139 */
1140 $current_user = wp_get_current_user();
1141 if ( ! ( $current_user instanceof WP_User ) ) {
1142 wp_send_json_error(
1143 __( 'Missing user info.', 'jetpack' ),
1144 403
1145 );
1146 return;
1147 }
1148
1149 /*
1150 * If a post is private / draft
1151 * and the current user doesn't have access to it,
1152 * bail.
1153 */
1154 if (
1155 'publish' !== $parent_post->post_status
1156 && ! current_user_can( 'read_post', $parent_post->ID )
1157 ) {
1158 wp_send_json_error(
1159 __( 'You aren’t authorized to do that.', 'jetpack' ),
1160 403
1161 );
1162 return;
1163 }
1164 }
1165
1166 if ( $offset < 1 ) {
1167 $offset = 0;
1168 }
1169
1170 $comments = get_comments(
1171 array(
1172 'status' => 'approve',
1173 'order' => ( 'asc' === get_option( 'comment_order' ) ) ? 'ASC' : 'DESC',
1174 'number' => 10,
1175 'offset' => $offset,
1176 'post_id' => $attachment_id,
1177 )
1178 );
1179
1180 $out = array();
1181
1182 // Can't just send the results, they contain the commenter's email address.
1183 foreach ( $comments as $comment ) {
1184 $avatar = get_avatar( $comment->comment_author_email, 64 );
1185 if ( ! $avatar ) {
1186 $avatar = '';
1187 }
1188 $out[] = array(
1189 'id' => $comment->comment_ID,
1190 'parent_id' => $comment->comment_parent,
1191 'author_markup' => get_comment_author_link( $comment->comment_ID ),
1192 'gravatar_markup' => $avatar,
1193 'date_gmt' => $comment->comment_date_gmt,
1194 'content' => wpautop( $comment->comment_content ),
1195 );
1196 }
1197
1198 die( wp_json_encode( $out ) );
1199 }
1200
1201 /**
1202 * Adds a new comment to the database
1203 *
1204 * @return never
1205 */
1206 public function post_attachment_comment() {
1207 if ( ! headers_sent() ) {
1208 header( 'Content-type: text/javascript' );
1209 }
1210
1211 if ( empty( $_POST['nonce'] ) || ! wp_verify_nonce( $_POST['nonce'], 'carousel_nonce' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput -- WP Core doesn't unslash or sanitize nonces either
1212 die( wp_json_encode( array( 'error' => __( 'Nonce verification failed.', 'jetpack' ) ) ) );
1213 }
1214
1215 $_blog_id = isset( $_POST['blog_id'] ) ? (int) $_POST['blog_id'] : 0;
1216 $_post_id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
1217 $comment = isset( $_POST['comment'] ) ? filter_var( wp_unslash( $_POST['comment'] ) ) : null;
1218
1219 if ( empty( $_blog_id ) ) {
1220 die( wp_json_encode( array( 'error' => __( 'Missing target blog ID.', 'jetpack' ) ) ) );
1221 }
1222
1223 if ( empty( $_post_id ) ) {
1224 die( wp_json_encode( array( 'error' => __( 'Missing target post ID.', 'jetpack' ) ) ) );
1225 }
1226
1227 if ( empty( $comment ) ) {
1228 die( wp_json_encode( array( 'error' => __( 'No comment text was submitted.', 'jetpack' ) ) ) );
1229 }
1230
1231 // Used in context like NewDash.
1232 $switched = false;
1233 if ( is_multisite() && get_current_blog_id() !== $_blog_id ) {
1234 switch_to_blog( $_blog_id );
1235 $switched = true;
1236 }
1237
1238 /** This action is documented in modules/carousel/jetpack-carousel.php */
1239 do_action( 'jp_carousel_check_blog_user_privileges' );
1240
1241 if ( ! comments_open( $_post_id ) ) {
1242 if ( $switched ) {
1243 restore_current_blog();
1244 }
1245 die( wp_json_encode( array( 'error' => __( 'Comments on this post are closed.', 'jetpack' ) ) ) );
1246 }
1247
1248 if ( is_user_logged_in() ) {
1249 $user = wp_get_current_user();
1250 $user_id = $user->ID;
1251 $display_name = $user->display_name;
1252 $email = $user->user_email;
1253 $url = $user->user_url;
1254
1255 if ( empty( $user_id ) ) {
1256 if ( $switched ) {
1257 restore_current_blog();
1258 }
1259 die( wp_json_encode( array( 'error' => __( 'Sorry, but we could not authenticate your request.', 'jetpack' ) ) ) );
1260 }
1261 } else {
1262 $user_id = 0;
1263 $display_name = isset( $_POST['author'] ) ? sanitize_text_field( wp_unslash( $_POST['author'] ) ) : null;
1264 $email = isset( $_POST['email'] ) ? wp_unslash( $_POST['email'] ) : null; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Checked or sanitized below.
1265 $url = isset( $_POST['url'] ) ? esc_url_raw( wp_unslash( $_POST['url'] ) ) : null;
1266
1267 if ( get_option( 'require_name_email' ) ) {
1268 if ( empty( $display_name ) ) {
1269 if ( $switched ) {
1270 restore_current_blog();
1271 }
1272 die( wp_json_encode( array( 'error' => __( 'Please provide your name.', 'jetpack' ) ) ) );
1273 }
1274
1275 if ( empty( $email ) ) {
1276 if ( $switched ) {
1277 restore_current_blog();
1278 }
1279 die( wp_json_encode( array( 'error' => __( 'Please provide an email address.', 'jetpack' ) ) ) );
1280 }
1281
1282 if ( ! is_email( $email ) ) {
1283 if ( $switched ) {
1284 restore_current_blog();
1285 }
1286 die( wp_json_encode( array( 'error' => __( 'Please provide a valid email address.', 'jetpack' ) ) ) );
1287 }
1288 } else {
1289 $email = $email !== null ? sanitize_email( $email ) : null;
1290 }
1291 }
1292
1293 $comment_data = array(
1294 'comment_content' => $comment,
1295 'comment_post_ID' => $_post_id,
1296 'comment_author' => $display_name,
1297 'comment_author_email' => $email,
1298 'comment_author_url' => $url,
1299 'comment_approved' => 0,
1300 'comment_type' => 'comment',
1301 );
1302
1303 if ( ! empty( $user_id ) ) {
1304 $comment_data['user_id'] = $user_id;
1305 }
1306
1307 // Note: wp_new_comment() sanitizes and validates the values (too).
1308 $comment_id = wp_new_comment( $comment_data );
1309
1310 /**
1311 * Fires before adding a new comment to the database via the get_attachment_comments ajax endpoint.
1312 *
1313 * @module carousel
1314 *
1315 * @since 1.6.0
1316 */
1317 do_action( 'jp_carousel_post_attachment_comment' );
1318 $comment_status = wp_get_comment_status( $comment_id );
1319
1320 if ( $switched ) {
1321 restore_current_blog();
1322 }
1323
1324 die(
1325 wp_json_encode(
1326 array(
1327 'comment_id' => $comment_id,
1328 'comment_status' => $comment_status,
1329 )
1330 )
1331 );
1332 }
1333
1334 /**
1335 * Register Carousel settings
1336 */
1337 public function register_settings() {
1338 add_settings_section( 'carousel_section', __( 'Image Gallery Carousel', 'jetpack' ), array( $this, 'carousel_section_callback' ), 'media' );
1339
1340 if ( ! $this->in_jetpack ) {
1341 add_settings_field( 'carousel_enable_it', __( 'Enable carousel', 'jetpack' ), array( $this, 'carousel_enable_it_callback' ), 'media', 'carousel_section' );
1342 register_setting( 'media', 'carousel_enable_it', array( $this, 'carousel_enable_it_sanitize' ) );
1343 }
1344
1345 add_settings_field( 'carousel_background_color', __( 'Background color', 'jetpack' ), array( $this, 'carousel_background_color_callback' ), 'media', 'carousel_section' );
1346 register_setting( 'media', 'carousel_background_color', array( $this, 'carousel_background_color_sanitize' ) );
1347
1348 add_settings_field( 'carousel_display_exif', __( 'Metadata', 'jetpack' ), array( $this, 'carousel_display_exif_callback' ), 'media', 'carousel_section' );
1349 register_setting( 'media', 'carousel_display_exif', array( $this, 'carousel_display_exif_sanitize' ) );
1350
1351 add_settings_field( 'carousel_display_comments', __( 'Comments', 'jetpack' ), array( $this, 'carousel_display_comments_callback' ), 'media', 'carousel_section' );
1352 register_setting( 'media', 'carousel_display_comments', array( $this, 'carousel_display_comments_sanitize' ) );
1353 }
1354
1355 /**
1356 * Fulfill the settings section callback requirement by returning nothing.
1357 */
1358 public function carousel_section_callback() {
1359 }
1360
1361 /**
1362 * Tests if a value is set
1363 *
1364 * @param mixed $value The value passed into this function with which to test.
1365 * @param bool $default_to_1 Default is true.
1366 *
1367 * @return bool
1368 */
1369 public function test_1or0_option( $value, $default_to_1 = true ) {
1370 if ( $default_to_1 ) {
1371 // Boolean false (===) of $value means it has not yet been set, in which case we do want to default to 1.
1372 if ( false === $value ) {
1373 $value = 1;
1374 }
1375 }
1376 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1377 }
1378
1379 /**
1380 * Ensures the value returned is in the correct format.
1381 *
1382 * @see test_1or0_option()
1383 * @param mixed $value The value returned from the test_1or0_option function.
1384 *
1385 * @return int
1386 */
1387 public function sanitize_1or0_option( $value ) {
1388 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1389 }
1390
1391 /**
1392 * Outputs a settings checkbox.
1393 *
1394 * @param string $name - For name attribute.
1395 * @param string $label_text - For label attribute.
1396 * @param string $extra_text - Additional checkbox description text. Defaults to empty.
1397 * @param bool $default_to_checked - If the checkbox is checked. Default is true.
1398 */
1399 public function settings_checkbox( $name, $label_text, $extra_text = '', $default_to_checked = true ) {
1400 if ( empty( $name ) ) {
1401 return;
1402 }
1403 $option = $this->test_1or0_option( get_option( $name ), $default_to_checked );
1404 echo '<fieldset>';
1405 echo '<input type="checkbox" name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '" value="1" ';
1406 checked( '1', $option );
1407 echo '/> <label for="' . esc_attr( $name ) . '">' . wp_kses_post( $label_text ) . '</label>';
1408 if ( ! empty( $extra_text ) ) {
1409 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1410 }
1411 echo '</fieldset>';
1412 }
1413
1414 /**
1415 * Output a selection list options
1416 *
1417 * @param string $name - For name attribute.
1418 * @param string $values - For the different option values.
1419 * @param string $extra_text - Additional option section description text. Defaults to empty.
1420 */
1421 public function settings_select( $name, $values, $extra_text = '' ) {
1422 if ( empty( $name ) || ! is_array( $values ) || empty( $values ) ) {
1423 return;
1424 }
1425 $option = get_option( $name );
1426 echo '<fieldset>';
1427 echo '<select name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '">';
1428 foreach ( $values as $key => $value ) {
1429 echo '<option value="' . esc_attr( $key ) . '" ';
1430 selected( $key, $option );
1431 echo '>' . esc_html( $value ) . '</option>';
1432 }
1433 echo '</select>';
1434 if ( ! empty( $extra_text ) ) {
1435 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1436 }
1437 echo '</fieldset>';
1438 }
1439
1440 /**
1441 * Callback for checkbox and label of field that allows to toggle exif display.
1442 */
1443 public function carousel_display_exif_callback() {
1444 $this->settings_checkbox( 'carousel_display_exif', __( 'Show photo metadata (<a href="https://en.wikipedia.org/wiki/Exchangeable_image_file_format" rel="noopener noreferrer" target="_blank">Exif</a>) in carousel, when available.', 'jetpack' ) );
1445 }
1446
1447 /**
1448 * Callback for checkbox and label of field that allows to toggle comments.
1449 */
1450 public function carousel_display_comments_callback() {
1451 $this->settings_checkbox( 'carousel_display_comments', esc_html__( 'Show comments area in carousel', 'jetpack' ) );
1452 }
1453
1454 /**
1455 * Sanitize input for the `carousel_display_exif` setting.
1456 *
1457 * @param mixed $value User input setting value.
1458 *
1459 * @return number Sanitized value, only 1 or 0.
1460 */
1461 public function carousel_display_exif_sanitize( $value ) {
1462 return $this->sanitize_1or0_option( $value );
1463 }
1464
1465 /**
1466 * Return sanitized option for value that controls whether comments will be hidden or not.
1467 *
1468 * @param number $value Value to sanitize.
1469 *
1470 * @return number Sanitized value, only 1 or 0.
1471 */
1472 public function carousel_display_comments_sanitize( $value ) {
1473 return $this->sanitize_1or0_option( $value );
1474 }
1475
1476 /**
1477 * Callback for the Carousel background color.
1478 */
1479 public function carousel_background_color_callback() {
1480 $this->settings_select(
1481 'carousel_background_color',
1482 array(
1483 'black' => __( 'Black', 'jetpack' ),
1484 'white' => __( 'White', 'jetpack' ),
1485 )
1486 );
1487 }
1488
1489 /**
1490 * Sanitizing the Carousel backgound color selection.
1491 *
1492 * @param string $value The color string to sanitize.
1493 *
1494 * @return string Sanitized value, 'white' or 'black'.
1495 */
1496 public function carousel_background_color_sanitize( $value ) {
1497 return ( 'white' === $value ) ? 'white' : 'black';
1498 }
1499
1500 /**
1501 * Callback to display text for the carousel_enable_it settings field.
1502 */
1503 public function carousel_enable_it_callback() {
1504 $this->settings_checkbox( 'carousel_enable_it', __( 'Display images in full-size carousel slideshow.', 'jetpack' ) );
1505 }
1506
1507 /**
1508 * Sanitize input for the `carousel_enable_it` setting.
1509 *
1510 * @param mixed $value User input.
1511 *
1512 * @return number Sanitized value, only 1 or 0.
1513 */
1514 public function carousel_enable_it_sanitize( $value ) {
1515 return $this->sanitize_1or0_option( $value );
1516 }
1517 }
1518
1519 new Jetpack_Carousel();
1520