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Jetpack – WP Security, Backup, Speed, & Growth / 13.4.5
Jetpack – WP Security, Backup, Speed, & Growth v13.4.5
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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
1527 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 if ( is_admin() ) {
87 // Register the Carousel-related related settings.
88 add_action( 'admin_init', array( $this, 'register_settings' ), 5 );
89 if ( ! $this->in_jetpack ) {
90 if ( 0 === $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {
91 return; // Carousel disabled, abort early, but still register setting so user can switch it back on.
92 }
93 }
94 // If in admin, register the ajax endpoints.
95 add_action( 'wp_ajax_get_attachment_comments', array( $this, 'get_attachment_comments' ) );
96 add_action( 'wp_ajax_nopriv_get_attachment_comments', array( $this, 'get_attachment_comments' ) );
97 add_action( 'wp_ajax_post_attachment_comment', array( $this, 'post_attachment_comment' ) );
98 add_action( 'wp_ajax_nopriv_post_attachment_comment', array( $this, 'post_attachment_comment' ) );
99
100 // Disable core lightbox when Carousel is enabled.
101 add_action( 'wp_theme_json_data_theme', array( $this, 'disable_core_lightbox' ) );
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 // Disable core lightbox when Carousel is enabled.
133 add_action( 'wp_theme_json_data_theme', array( $this, 'disable_core_lightbox' ) );
134 }
135
136 if ( $this->in_jetpack ) {
137 Jetpack::enable_module_configurable( dirname( __DIR__ ) . '/carousel.php' );
138 }
139 }
140
141 /**
142 * Check AMP and add filters.
143 */
144 public function check_amp_support() {
145 if (
146 ! class_exists( 'Jetpack_AMP_Support' )
147 || ! Jetpack_AMP_Support::is_amp_request()
148 ) {
149 add_filter( 'render_block_core/gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
150 add_filter( 'render_block_jetpack/tiled-gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
151 }
152 }
153
154 /**
155 * Returns the value of the applied jp_carousel_maybe_disable filter
156 *
157 * @since 1.6.0
158 *
159 * @return bool - Should Carousel be disabled? Default to false.
160  */
161 public function maybe_disable_jp_carousel() {
162 /**
163 * Allow third-party plugins or themes to disable Carousel.
164 *
165 * @module carousel
166 *
167 * @since 1.6.0
168 *
169 * @param bool false Should Carousel be disabled? Default to false.
170 */
171 return apply_filters( 'jp_carousel_maybe_disable', false );
172 }
173
174 /**
175 * Returns the value of the applied jp_carousel_maybe_disable_single_images filter
176 *
177 * @since 4.5.0
178 *
179 * @return bool - Should Carousel be disabled for single images? Default to false.
180 */
181 public function maybe_disable_jp_carousel_single_images() {
182 /**
183 * Allow third-party plugins or themes to disable Carousel for single images.
184 *
185 * @module carousel
186 *
187 * @since 4.5.0
188 *
189 * @param bool false Should Carousel be disabled for single images? Default to false.
190 */
191 return apply_filters( 'jp_carousel_maybe_disable_single_images', false );
192 }
193
194 /**
195 * Returns the value of the applied jp_carousel_load_for_images_linked_to_file filter
196 *
197 * @since 4.5.0
198 *
199 * @return bool - Should Carousel be enabled for single images linking to 'Media File'? Default to false.
200 */
201 public function maybe_enable_jp_carousel_single_images_media_file() {
202 /**
203 * Allow third-party plugins or themes to enable Carousel
204 * for single images linking to 'Media File' (full size image).
205 *
206 * @module carousel
207 *
208 * @since 4.5.0
209 *
210 * @param bool false Should Carousel be enabled for single images linking to 'Media File'? Default to false.
211 */
212 return apply_filters( 'jp_carousel_load_for_images_linked_to_file', false );
213 }
214
215 /**
216 * Disable the "Lightbox" option offered in WordPress core
217 * whenever Jetpack's Carousel feature is enabled.
218 *
219 * @since 13.3
220 *
221 * @param WP_Theme_JSON_Data $theme_json Class to access and update theme.json data.
222 */
223 public function disable_core_lightbox( $theme_json ) {
224 return $theme_json->update_with(
225 array(
226 'version' => 2,
227 'settings' => array(
228 'blocks' => array(
229 'core/image' => array(
230 'lightbox' => array(
231 'allowEditing' => false,
232 'enabled' => false,
233 ),
234 ),
235 ),
236 ),
237 )
238 );
239 }
240
241 /**
242 * Returns the value of the applied jp_carousel_asset_version filter
243 *
244 * @since 1.6.0
245 *
246 * @param string $version Asset version.
247 *
248 * @return string
249 */
250 public function asset_version( $version ) {
251 /**
252 * Filter the version string used when enqueuing Carousel assets.
253 *
254 * @module carousel
255 *
256 * @since 1.6.0
257 *
258 * @param string $version Asset version.
259 */
260 return apply_filters( 'jp_carousel_asset_version', $version );
261 }
262
263 /**
264 * Displays a message on top of gallery if carousel has bailed.
265 *
266 * @param string $output Gallery shortcode output.
267 *
268 * @return string Shortcode output with bail message prepended.
269 */
270 public function display_bail_message( $output = '' ) {
271 $message = '<div class="jp-carousel-msg"><p>';
272 $message .= __( 'Jetpack\'s Carousel has been disabled, because another plugin or your theme is overriding the [gallery] shortcode.', 'jetpack' );
273 $message .= '</p></div>';
274 // put before gallery output.
275 $output = $message . $output;
276 return $output;
277 }
278
279 /**
280 * Determine whether Carousel is enabled, and adjust filters and enqueue assets accordingly.
281 *
282 * If no other filter hook produced output for the gallery shortcode or something returns true for
283 * the `jp_carousel_force_enable` filter, Carousel is enabled and we queue our assets. Otherwise
284 * it's disabled and we remove some of our subsequent filter hooks.
285 *
286 * @since 1.9.0
287 *
288 * @param string $output Gallery shortcode output.
289 *
290 * @return string Gallery shortcode output.
291 */
292 public function check_if_shortcode_processed_and_enqueue_assets( $output ) {
293 if (
294 class_exists( 'Jetpack_AMP_Support' )
295 && Jetpack_AMP_Support::is_amp_request()
296 ) {
297 return $output;
298 }
299
300 if (
301 ! empty( $output ) &&
302 /**
303 * Allow third-party plugins or themes to force-enable Carousel.
304 *
305 * @module carousel
306 *
307 * @since 1.9.0
308 *
309 * @param bool false Should we force enable Carousel? Default to false.
310 */
311 ! apply_filters( 'jp_carousel_force_enable', false )
312 ) {
313 // Bail because someone is overriding the [gallery] shortcode.
314 remove_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
315 remove_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ) );
316 remove_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
317 // Display message that carousel has bailed, if user is super_admin, and if we're not on WordPress.com.
318 if (
319 is_super_admin() &&
320 ! ( defined( 'IS_WPCOM' ) && IS_WPCOM )
321 ) {
322 add_filter( 'post_gallery', array( $this, 'display_bail_message' ) );
323 }
324 return $output;
325 }
326
327 /**
328 * Fires when thumbnails are shown in Carousel.
329 *
330 * @module carousel
331 *
332 * @since 1.6.0
333 */
334 do_action( 'jp_carousel_thumbnails_shown' );
335
336 $this->enqueue_assets();
337
338 return $output;
339 }
340
341 /**
342 * Check if the content of a post uses gallery blocks. To be used by 'the_content' filter.
343 *
344 * @since 6.8.0
345 * @deprecated since 11.3 We now hook into the 'block_render_{block_name}' hook to add markup.
346 *
347 * @param string $content Post content.
348 *
349 * @return string $content Post content.
350 */
351 public function check_content_for_blocks( $content ) {
352 _deprecated_function( __METHOD__, 'jetpack-11.3' );
353
354 if (
355 class_exists( 'Jetpack_AMP_Support' )
356 && Jetpack_AMP_Support::is_amp_request()
357 ) {
358 return $content;
359 }
360
361 if ( has_block( 'gallery', $content ) || has_block( 'jetpack/tiled-gallery', $content ) ) {
362 $this->enqueue_assets();
363 $content = $this->add_data_to_container( $content );
364 }
365
366 return $content;
367 }
368
369 /**
370 * Enrich the gallery block content using the render_block_{$this->name} filter.
371 * This function is triggered after block render to make sure we track galleries within
372 * reusable blocks.
373 *
374 * @see https://developer.wordpress.org/reference/hooks/render_block_this-name/
375 *
376 * @param string $block_content The rendered HTML for the carousel or gallery block.
377 * @param array $block The parsed block details for the block.
378 * @return string The fully-processed HTML for the carousel or gallery block.
379 *
380 * @since 11.3
381 */
382 public function filter_gallery_block_render( $block_content, $block ) {
383 global $post;
384
385 if ( empty( $block['blockName'] ) || ! in_array( $block['blockName'], array( 'core/gallery', 'jetpack/tiled-gallery' ), true ) ) {
386 return $block_content;
387 }
388
389 $this->enqueue_assets();
390
391 if ( ! isset( $post ) ) {
392 return $block_content;
393 }
394
395 $blog_id = (int) get_current_blog_id();
396
397 $extra_data = array(
398 'data-carousel-extra' => array(
399 'blog_id' => $blog_id,
400 'permalink' => get_permalink( $post->ID ),
401 ),
402 );
403
404 /**
405 * Filter the data added to the Gallery container.
406 *
407 * @module carousel
408 *
409 * @since 1.6.0
410 *
411 * @param array $extra_data Array of data about the site and the post.
412 */
413 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
414 $extra_data = (array) $extra_data;
415
416 if ( empty( $extra_data ) ) {
417 return $block_content;
418 }
419
420 $extra_attributes = implode(
421 ' ',
422 array_map(
423 function ( $data_key, $data_values ) {
424 return esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "'";
425 },
426 array_keys( $extra_data ),
427 array_values( $extra_data )
428 )
429 );
430
431 // Add extra attributes to first HTML element (which may have leading whitespace)
432 return preg_replace(
433 '/^(\s*<(div|ul|figure))/',
434 '$1 ' . $extra_attributes . ' ',
435 $block_content,
436 1
437 );
438 }
439
440 /**
441 * Enqueueing Carousel assets.
442 */
443 public function enqueue_assets() {
444 if ( $this->first_run ) {
445 wp_enqueue_script(
446 'jetpack-carousel',
447 Assets::get_file_url_for_environment(
448 '_inc/build/carousel/jetpack-carousel.min.js',
449 'modules/carousel/jetpack-carousel.js'
450 ),
451 array(),
452 $this->asset_version( JETPACK__VERSION ),
453 true
454 );
455
456 $swiper_library_path = array(
457 'url' => Assets::get_file_url_for_environment(
458 '_inc/build/carousel/swiper-bundle.min.js',
459 'modules/carousel/swiper-bundle.js'
460 ),
461 );
462 wp_localize_script( 'jetpack-carousel', 'jetpackSwiperLibraryPath', $swiper_library_path );
463
464 // 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).
465 // Also: not hardcoding path since there is no guarantee site is running on site root in self-hosted context.
466 $is_logged_in = is_user_logged_in();
467 $comment_registration = (int) get_option( 'comment_registration' );
468 $require_name_email = (int) get_option( 'require_name_email' );
469 $localize_strings = array(
470 'widths' => $this->prebuilt_widths,
471 'is_logged_in' => $is_logged_in,
472 'lang' => strtolower( substr( get_locale(), 0, 2 ) ),
473 'ajaxurl' => set_url_scheme( admin_url( 'admin-ajax.php' ) ),
474 'nonce' => wp_create_nonce( 'carousel_nonce' ),
475 'display_exif' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_exif', true ) ),
476 'display_comments' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_comments', true ) ),
477 'single_image_gallery' => $this->single_image_gallery_enabled,
478 'single_image_gallery_media_file' => $this->single_image_gallery_enabled_media_file,
479 'background_color' => $this->carousel_background_color_sanitize( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_background_color', '' ) ),
480 'comment' => __( 'Comment', 'jetpack' ),
481 'post_comment' => __( 'Post Comment', 'jetpack' ),
482 'write_comment' => __( 'Write a Comment...', 'jetpack' ),
483 'loading_comments' => __( 'Loading Comments...', 'jetpack' ),
484 'download_original' => sprintf(
485 /* translators: %1s is the full-size image width, and %2s is the height. */
486 __( 'View full size <span class="photo-size">%1$s<span class="photo-size-times">&times;</span>%2$s</span>', 'jetpack' ),
487 '{0}',
488 '{1}'
489 ),
490 'no_comment_text' => __( 'Please be sure to submit some text with your comment.', 'jetpack' ),
491 'no_comment_email' => __( 'Please provide an email address to comment.', 'jetpack' ),
492 'no_comment_author' => __( 'Please provide your name to comment.', 'jetpack' ),
493 'comment_post_error' => __( 'Sorry, but there was an error posting your comment. Please try again later.', 'jetpack' ),
494 'comment_approved' => __( 'Your comment was approved.', 'jetpack' ),
495 'comment_unapproved' => __( 'Your comment is in moderation.', 'jetpack' ),
496 'camera' => __( 'Camera', 'jetpack' ),
497 'aperture' => __( 'Aperture', 'jetpack' ),
498 'shutter_speed' => __( 'Shutter Speed', 'jetpack' ),
499 'focal_length' => __( 'Focal Length', 'jetpack' ),
500 'copyright' => __( 'Copyright', 'jetpack' ),
501 'comment_registration' => $comment_registration,
502 'require_name_email' => $require_name_email,
503 /** This action is documented in core/src/wp-includes/link-template.php */
504 'login_url' => wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ),
505 'blog_id' => (int) get_current_blog_id(),
506 'meta_data' => array( 'camera', 'aperture', 'shutter_speed', 'focal_length', 'copyright' ),
507 );
508
509 /**
510 * Handle WP stats for images in full-screen.
511 * Build string with tracking info.
512 */
513
514 /**
515 * Filter if Jetpack should enable stats collection on carousel views
516 *
517 * @module carousel
518 *
519 * @since 4.3.2
520 *
521 * @param bool Enable Jetpack Carousel stat collection. Default false.
522 */
523 if ( apply_filters( 'jetpack_enable_carousel_stats', false ) && in_array( 'stats', Jetpack::get_active_modules(), true ) && ! ( new Status() )->is_offline_mode() ) {
524 $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;
525
526 // Set the stats as empty if user is logged in but logged-in users shouldn't be tracked.
527 if ( is_user_logged_in() ) {
528 $stats_options = Stats_Options::get_options();
529 $track_loggedin_users = isset( $stats_options['count_roles'] ) ? (bool) $stats_options['count_roles'] : false;
530
531 if ( ! $track_loggedin_users ) {
532 $localize_strings['stats'] = '';
533 }
534 }
535 }
536
537 /**
538 * Filter the strings passed to the Carousel's js file.
539 *
540 * @module carousel
541 *
542 * @since 1.6.0
543 *
544 * @param array $localize_strings Array of strings passed to the Jetpack js file.
545 */
546 $localize_strings = apply_filters( 'jp_carousel_localize_strings', $localize_strings );
547 wp_localize_script( 'jetpack-carousel', 'jetpackCarouselStrings', $localize_strings );
548 wp_enqueue_style(
549 'jetpack-carousel-swiper-css',
550 plugins_url( 'swiper-bundle.css', __FILE__ ),
551 array(),
552 $this->asset_version( JETPACK__VERSION )
553 );
554 wp_enqueue_style( 'jetpack-carousel', plugins_url( 'jetpack-carousel.css', __FILE__ ), array(), $this->asset_version( JETPACK__VERSION ) );
555 wp_style_add_data( 'jetpack-carousel', 'rtl', 'replace' );
556
557 /**
558 * Fires after carousel assets are enqueued for the first time.
559 * Allows for adding additional assets to the carousel page.
560 *
561 * @module carousel
562 *
563 * @since 1.6.0
564 *
565 * @param bool $first_run First load if Carousel on the page.
566 * @param array $localized_strings Array of strings passed to the Jetpack js file.
567 */
568 do_action( 'jp_carousel_enqueue_assets', $this->first_run, $localize_strings );
569
570 // Add the carousel skeleton to the page.
571 $this->localize_strings = $localize_strings;
572 add_action( 'wp_footer', array( $this, 'add_carousel_skeleton' ) );
573
574 $this->first_run = false;
575 }
576 }
577
578 /**
579 * Generate the HTML skeleton that will be picked up by the Carousel JS and used for showing the carousel.
580 */
581 public function add_carousel_skeleton() {
582 $localize_strings = $this->localize_strings;
583 $is_light = ( 'white' === $localize_strings['background_color'] );
584 // Determine whether to fall back to standard local comments.
585 $use_local_comments = ! isset( $localize_strings['jetpack_comments_iframe_src'] ) || empty( $localize_strings['jetpack_comments_iframe_src'] );
586 $current_user = wp_get_current_user();
587 $require_name_email = (int) get_option( 'require_name_email' );
588 /* translators: %s is replaced with a field name in the form, e.g. "Email" */
589 $required = ( $require_name_email ) ? __( '%s (Required)', 'jetpack' ) : '%s';
590 ?>
591 <div id="jp-carousel-loading-overlay">
592 <div id="jp-carousel-loading-wrapper">
593 <span id="jp-carousel-library-loading">&nbsp;</span>
594 </div>
595 </div>
596 <div class="jp-carousel-overlay<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>" style="display: none;">
597
598 <div class="jp-carousel-container<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>">
599 <!-- The Carousel Swiper -->
600 <div
601 class="jp-carousel-wrap swiper-container jp-carousel-swiper-container jp-carousel-transitions"
602 itemscope
603 itemtype="https://schema.org/ImageGallery">
604 <div class="jp-carousel swiper-wrapper"></div>
605 <div class="jp-swiper-button-prev swiper-button-prev">
606 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
607 <mask id="maskPrev" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="9" height="12">
608 <path d="M16.2072 16.59L11.6496 12L16.2072 7.41L14.8041 6L8.8335 12L14.8041 18L16.2072 16.59Z" fill="white"/>
609 </mask>
610 <g mask="url(#maskPrev)">
611 <rect x="0.579102" width="23.8823" height="24" fill="#FFFFFF"/>
612 </g>
613 </svg>
614 </div>
615 <div class="jp-swiper-button-next swiper-button-next">
616 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
617 <mask id="maskNext" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="8" height="12">
618 <path d="M8.59814 16.59L13.1557 12L8.59814 7.41L10.0012 6L15.9718 12L10.0012 18L8.59814 16.59Z" fill="white"/>
619 </mask>
620 <g mask="url(#maskNext)">
621 <rect x="0.34375" width="23.8822" height="24" fill="#FFFFFF"/>
622 </g>
623 </svg>
624 </div>
625 </div>
626 <!-- The main close buton -->
627 <div class="jp-carousel-close-hint">
628 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
629 <mask id="maskClose" mask-type="alpha" maskUnits="userSpaceOnUse" x="5" y="5" width="15" height="14">
630 <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"/>
631 </mask>
632 <g mask="url(#maskClose)">
633 <rect x="0.409668" width="23.8823" height="24" fill="#FFFFFF"/>
634 </g>
635 </svg>
636 </div>
637 <!-- Image info, comments and meta -->
638 <div class="jp-carousel-info">
639 <div class="jp-carousel-info-footer">
640 <div class="jp-carousel-pagination-container">
641 <div class="jp-swiper-pagination swiper-pagination"></div>
642 <div class="jp-carousel-pagination"></div>
643 </div>
644 <div class="jp-carousel-photo-title-container">
645 <h2 class="jp-carousel-photo-caption"></h2>
646 </div>
647 <div class="jp-carousel-photo-icons-container">
648 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-info" aria-label="<?php esc_attr_e( 'Toggle photo metadata visibility', 'jetpack' ); ?>">
649 <span class="jp-carousel-icon">
650 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
651 <mask id="maskInfo" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
652 <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"/>
653 </mask>
654 <g mask="url(#maskInfo)">
655 <rect x="0.8125" width="23.8823" height="24" fill="#FFFFFF"/>
656 </g>
657 </svg>
658 </span>
659 </a>
660 <?php if ( $localize_strings['display_comments'] ) : ?>
661 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-comments" aria-label="<?php esc_attr_e( 'Toggle photo comments visibility', 'jetpack' ); ?>">
662 <span class="jp-carousel-icon">
663 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
664 <mask id="maskComments" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
665 <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"/>
666 </mask>
667 <g mask="url(#maskComments)">
668 <rect x="0.34668" width="23.8823" height="24" fill="#FFFFFF"/>
669 </g>
670 </svg>
671
672 <span class="jp-carousel-has-comments-indicator" aria-label="<?php esc_attr_e( 'This image has comments.', 'jetpack' ); ?>"></span>
673 </span>
674 </a>
675 <?php endif; ?>
676 </div>
677 </div>
678 <div class="jp-carousel-info-extra">
679 <div class="jp-carousel-info-content-wrapper">
680 <div class="jp-carousel-photo-title-container">
681 <h2 class="jp-carousel-photo-title"></h2>
682 </div>
683 <div class="jp-carousel-comments-wrapper">
684 <?php if ( $localize_strings['display_comments'] ) : ?>
685 <div id="jp-carousel-comments-loading">
686 <span><?php echo esc_html( $localize_strings['loading_comments'] ); ?></span>
687 </div>
688 <div class="jp-carousel-comments"></div>
689 <div id="jp-carousel-comment-form-container">
690 <span id="jp-carousel-comment-form-spinner">&nbsp;</span>
691 <div id="jp-carousel-comment-post-results"></div>
692 <?php if ( $use_local_comments ) : ?>
693 <?php if ( ! $localize_strings['is_logged_in'] && $localize_strings['comment_registration'] ) : ?>
694 <div id="jp-carousel-comment-form-commenting-as">
695 <p id="jp-carousel-commenting-as">
696 <?php
697 echo wp_kses(
698 __( 'You must be <a href="#" class="jp-carousel-comment-login">logged in</a> to post a comment.', 'jetpack' ),
699 array(
700 'a' => array(
701 'href' => array(),
702 'class' => array(),
703 ),
704 )
705 );
706 ?>
707 </p>
708 </div>
709 <?php else : ?>
710 <form id="jp-carousel-comment-form">
711 <label for="jp-carousel-comment-form-comment-field" class="screen-reader-text"><?php echo esc_attr( $localize_strings['write_comment'] ); ?></label>
712 <textarea
713 name="comment"
714 class="jp-carousel-comment-form-field jp-carousel-comment-form-textarea"
715 id="jp-carousel-comment-form-comment-field"
716 placeholder="<?php echo esc_attr( $localize_strings['write_comment'] ); ?>"
717 ></textarea>
718 <div id="jp-carousel-comment-form-submit-and-info-wrapper">
719 <div id="jp-carousel-comment-form-commenting-as">
720 <?php if ( $localize_strings['is_logged_in'] ) : ?>
721 <p id="jp-carousel-commenting-as">
722 <?php
723 printf(
724 /* translators: %s is replaced with the user's display name */
725 esc_html__( 'Commenting as %s', 'jetpack' ),
726 esc_html( $current_user->data->display_name )
727 );
728 ?>
729 </p>
730 <?php else : ?>
731 <fieldset>
732 <label for="jp-carousel-comment-form-email-field"><?php echo esc_html( sprintf( $required, __( 'Email', 'jetpack' ) ) ); ?></label>
733 <input type="text" name="email" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-email-field" />
734 </fieldset>
735 <fieldset>
736 <label for="jp-carousel-comment-form-author-field"><?php echo esc_html( sprintf( $required, __( 'Name', 'jetpack' ) ) ); ?></label>
737 <input type="text" name="author" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-author-field" />
738 </fieldset>
739 <fieldset>
740 <label for="jp-carousel-comment-form-url-field"><?php esc_html_e( 'Website', 'jetpack' ); ?></label>
741 <input type="text" name="url" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-url-field" />
742 </fieldset>
743 <?php endif ?>
744 </div>
745 <input
746 type="submit"
747 name="submit"
748 class="jp-carousel-comment-form-button"
749 id="jp-carousel-comment-form-button-submit"
750 value="<?php echo esc_attr( $localize_strings['post_comment'] ); ?>" />
751 </div>
752 </form>
753 <?php endif ?>
754 <?php endif ?>
755 </div>
756 <?php endif ?>
757 </div>
758 <div class="jp-carousel-image-meta">
759 <div class="jp-carousel-title-and-caption">
760 <div class="jp-carousel-photo-info">
761 <h3 class="jp-carousel-caption" itemprop="caption description"></h3>
762 </div>
763
764 <div class="jp-carousel-photo-description"></div>
765 </div>
766 <ul class="jp-carousel-image-exif" style="display: none;"></ul>
767 <a class="jp-carousel-image-download" href="#" target="_blank" style="display: none;">
768 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
769 <mask id="mask0" mask-type="alpha" maskUnits="userSpaceOnUse" x="3" y="3" width="19" height="18">
770 <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"/>
771 </mask>
772 <g mask="url(#mask0)">
773 <rect x="0.870605" width="23.8823" height="24" fill="#FFFFFF"/>
774 </g>
775 </svg>
776 <span class="jp-carousel-download-text"></span>
777 </a>
778 <div class="jp-carousel-image-map" style="display: none;"></div>
779 </div>
780 </div>
781 </div>
782 </div>
783 </div>
784
785 </div>
786 <?php
787 }
788
789 /**
790 * Sets the "in_gallery" flag when the first gallery is encountered (unless in AMP mode).
791 *
792 * @deprecated since 10.8
793 *
794 * @param string $output Gallery shortcode output. Passed through unchanged.
795 *
796 * @return string
797 */
798 public function set_in_gallery( $output ) {
799 if (
800 class_exists( 'Jetpack_AMP_Support' )
801 && Jetpack_AMP_Support::is_amp_request()
802 ) {
803 return $output;
804 }
805 $this->in_gallery = true;
806 return $output;
807 }
808
809 /**
810 * Adds data-* attributes required by carousel to img tags in post HTML
811 * content. To be used by 'the_content' filter.
812 *
813 * @see add_data_to_images()
814 * @see wp_make_content_images_responsive() in wp-includes/media.php
815 *
816 * @param string $content HTML content of the post.
817 * @return string
818 */
819 public function add_data_img_tags_and_enqueue_assets( $content ) {
820 if (
821 class_exists( 'Jetpack_AMP_Support' )
822 && Jetpack_AMP_Support::is_amp_request()
823 ) {
824 return $this->maybe_add_amp_lightbox( $content );
825 }
826
827 if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
828 return $content;
829 }
830 $selected_images = array();
831 foreach ( $matches[0] as $image_html ) {
832 if (
833 preg_match( '/(wp-image-|data-id=)\"?([0-9]+)\"?/i', $image_html, $class_id )
834 && ! preg_match( '/wp-block-jetpack-slideshow_image/', $image_html )
835 ) {
836 /**
837 * Allow filtering the attachment ID used to fetch and populate metadata about an image in a gallery.
838 *
839 * @module carousel
840 *
841 * @since 12.6
842 *
843 * @param int $attachment_id Attachment ID pulled from image HTML.
844 * @param string $image_html Full HTML image tag.
845 */
846 $attachment_id = absint(
847 apply_filters(
848 'jetpack_carousel_image_attachment_id',
849 $class_id[2],
850 $image_html
851 )
852 );
853
854 /**
855 * The same image tag may be used more than once but with different attribs,
856 * so save each of them against the attachment id.
857 */
858 if ( ! isset( $selected_images[ $attachment_id ] ) || ! in_array( $image_html, $selected_images[ $attachment_id ], true ) ) {
859 $selected_images[ $attachment_id ][] = $image_html;
860 }
861 }
862 }
863
864 $find = array();
865 $replace = array();
866 if ( empty( $selected_images ) ) {
867 return $content;
868 }
869
870 $attachments = get_posts(
871 array(
872 'include' => array_keys( $selected_images ),
873 'post_type' => 'any',
874 'post_status' => 'any',
875 'suppress_filters' => false,
876 )
877 );
878
879 foreach ( $attachments as $attachment ) {
880 /*
881 * If the item from get_posts isn't an attachment, skip. This can occur when copy-pasta from another WP site.
882 * 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" />"
883 * then, we're going to look up post 7 below, which making sure it is an attachment.
884 *
885 * This is meant as a relatively quick fix, as a better fix is likely to update the get_posts call above to only
886 * include attachments.
887 */
888 if (
889 ! isset( $attachment->ID )
890 || ! wp_attachment_is_image( $attachment->ID )
891 || ! isset( $selected_images[ $attachment->ID ] )
892 ) {
893 continue;
894 }
895 $image_elements = $selected_images[ $attachment->ID ];
896
897 if ( ! is_array( $image_elements ) ) {
898 continue;
899 }
900
901 $attributes = $this->add_data_to_images( array(), $attachment );
902 $attributes_html = '';
903 foreach ( $attributes as $k => $v ) {
904 $attributes_html .= esc_attr( $k ) . '="' . esc_attr( $v ) . '" ';
905 }
906 foreach ( $image_elements as $image_html ) {
907 $find[] = $image_html;
908 $replace[] = str_replace( '<img ', "<img $attributes_html", $image_html );
909 }
910 }
911
912 $content = str_replace( $find, $replace, $content );
913 $this->enqueue_assets();
914 return $content;
915 }
916
917 /**
918 * Adds the data attributes themselves to img tags.
919 *
920 * @see add_data_img_tags_and_enqueue_assets()
921 * @see https://developer.wordpress.org/reference/functions/wp_get_attachment_image/ Documentation about wp_get_attachment_image
922 *
923 * @param string[] $attr Array of attribute values for the image markup, keyed by attribute name.
924 * @param WP_Post $attachment Image attachment post.
925 *
926 * @return string[] Modified image attributes.
927 */
928 public function add_data_to_images( $attr, $attachment = null ) {
929 if (
930 class_exists( 'Jetpack_AMP_Support' )
931 && Jetpack_AMP_Support::is_amp_request()
932 ) {
933 return $attr;
934 }
935
936 $attachment_id = (int) $attachment->ID;
937 if ( ! wp_attachment_is_image( $attachment_id ) ) {
938 return $attr;
939 }
940
941 $orig_file = wp_get_attachment_image_src( $attachment_id, 'full' );
942 $orig_file = isset( $orig_file[0] ) ? $orig_file[0] : wp_get_attachment_url( $attachment_id );
943 $meta = wp_get_attachment_metadata( $attachment_id );
944 $size = isset( $meta['width'] ) ? (int) $meta['width'] . ',' . (int) $meta['height'] : '';
945 $img_meta = ( ! empty( $meta['image_meta'] ) ) ? (array) $meta['image_meta'] : array();
946 $comments_opened = (int) comments_open( $attachment_id );
947
948 /**
949 * Note: Cannot generate a filename from the width and height wp_get_attachment_image_src() returns because
950 * it takes the $content_width global variable themes can set in consideration, therefore returning sizes
951 * which when used to generate a filename will likely result in a 404 on the image.
952 * $content_width has no filter we could temporarily de-register, run wp_get_attachment_image_src(), then
953 * re-register. So using returned file URL instead, which we can define the sizes from through filename
954 * parsing in the JS, as this is a failsafe file reference.
955 *
956 * EG with Twenty Eleven activated:
957 * 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) }
958 *
959 * EG with Twenty Ten activated:
960 * 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) }
961 */
962
963 $medium_file_info = wp_get_attachment_image_src( $attachment_id, 'medium' );
964 $medium_file = isset( $medium_file_info[0] ) ? $medium_file_info[0] : '';
965
966 $large_file_info = wp_get_attachment_image_src( $attachment_id, 'large' );
967 $large_file = isset( $large_file_info[0] ) ? $large_file_info[0] : '';
968
969 $attachment = get_post( $attachment_id );
970 $attachment_title = ! empty( $attachment ) ? wptexturize( $attachment->post_title ) : '';
971 $attachment_desc = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_content ) ) : '';
972 $attachment_caption = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_excerpt ) ) : '';
973
974 // See https://github.com/Automattic/jetpack/issues/2765.
975 if ( isset( $img_meta['keywords'] ) ) {
976 unset( $img_meta['keywords'] );
977 }
978
979 $img_meta = wp_json_encode( array_map( 'strval', array_filter( $img_meta, 'is_scalar' ) ) );
980
981 $attr['data-attachment-id'] = $attachment_id;
982 $attr['data-permalink'] = esc_attr( get_permalink( $attachment_id ) );
983 $attr['data-orig-file'] = esc_attr( $orig_file );
984 $attr['data-orig-size'] = $size;
985 $attr['data-comments-opened'] = $comments_opened;
986 $attr['data-image-meta'] = esc_attr( $img_meta );
987 // 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.
988 $attr['data-image-title'] = esc_attr( htmlspecialchars( $attachment_title, ENT_COMPAT ) );
989 $attr['data-image-description'] = esc_attr( htmlspecialchars( $attachment_desc, ENT_COMPAT ) );
990 $attr['data-image-caption'] = esc_attr( htmlspecialchars( $attachment_caption, ENT_COMPAT ) );
991 $attr['data-medium-file'] = esc_attr( $medium_file );
992 $attr['data-large-file'] = esc_attr( $large_file );
993
994 return $attr;
995 }
996
997 /**
998 * Add additional attributes to the Gallery container HTML.
999 *
1000 * @param string $html The HTML to which the additional attributes are added.
1001 *
1002 * @return string
1003 */
1004 public function add_data_to_container( $html ) {
1005 global $post;
1006 if (
1007 class_exists( 'Jetpack_AMP_Support' )
1008 && Jetpack_AMP_Support::is_amp_request()
1009 ) {
1010 return $html;
1011 }
1012
1013 if ( isset( $post ) ) {
1014 $blog_id = (int) get_current_blog_id();
1015
1016 $extra_data = array(
1017 'data-carousel-extra' => array(
1018 'blog_id' => $blog_id,
1019 'permalink' => get_permalink( $post->ID ),
1020 ),
1021 );
1022
1023 /**
1024 * Filter the data added to the Gallery container.
1025 *
1026 * @module carousel
1027 *
1028 * @since 1.6.0
1029 *
1030 * @param array $extra_data Array of data about the site and the post.
1031 */
1032 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
1033 foreach ( (array) $extra_data as $data_key => $data_values ) {
1034 $html = str_replace( '<div ', '<div ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' ", $html );
1035 $html = str_replace( '<ul class="wp-block-gallery', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"wp-block-gallery", $html );
1036 $html = str_replace( '<ul class="blocks-gallery-grid', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"blocks-gallery-grid", $html );
1037 $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 );
1038 }
1039 }
1040
1041 return $html;
1042 }
1043
1044 /**
1045 * Conditionally adds amp-lightbox to galleries and images.
1046 *
1047 * This applies to gallery blocks and shortcodes,
1048 * in addition to images that are wrapped in a link to the page.
1049 * Images wrapped in a link to the media file shouldn't get an amp-lightbox.
1050 *
1051 * @param string $content The content to possibly add amp-lightbox to.
1052 * @return string The content, with amp-lightbox possibly added.
1053 */
1054 public function maybe_add_amp_lightbox( $content ) {
1055 $content = preg_replace(
1056 array(
1057 '#(<figure)[^>]*(?=class=(["\']?)[^>]*wp-block-gallery[^>]*\2)#is', // Gallery block.
1058 '#(\[gallery)(?=\s+)#', // Gallery shortcode.
1059 ),
1060 array(
1061 '\1 data-amp-lightbox="true" ', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/sanitizers/class-amp-gallery-block-sanitizer.php#L84.
1062 '\1 amp-lightbox="true"', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/embeds/class-amp-gallery-embed.php#L64.
1063 ),
1064 $content
1065 );
1066
1067 return preg_replace_callback(
1068 '#(<a[^>]* href=(["\']?)(\S+)\2>)\s*(<img[^>]*)(class=(["\']?)[^>]*wp-image-[0-9]+[^>]*\6.*>)\s*</a>#is',
1069 static function ( $matches ) {
1070 if ( ! preg_match( '#\.\w+$#', $matches[3] ) ) {
1071 // 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.
1072 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.
1073 }
1074
1075 return $matches[0];
1076 },
1077 $content
1078 );
1079 }
1080
1081 /**
1082 * Retrieves comment information
1083 *
1084 * @return string
1085 */
1086 public function get_attachment_comments() {
1087 if ( ! headers_sent() ) {
1088 header( 'Content-type: text/javascript' );
1089 }
1090
1091 /**
1092 * Allows for the checking of privileges of the blog user before comments
1093 * are packaged as JSON and sent back from the get_attachment_comments
1094 * AJAX endpoint
1095 *
1096 * @module carousel
1097 *
1098 * @since 1.6.0
1099 */
1100 do_action( 'jp_carousel_check_blog_user_privileges' );
1101
1102 // 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).
1103 $attachment_id = ( isset( $_REQUEST['id'] ) ) ? (int) $_REQUEST['id'] : 0;
1104 $offset = ( isset( $_REQUEST['offset'] ) ) ? (int) $_REQUEST['offset'] : 0;
1105 // phpcs:enable
1106
1107 if ( ! $attachment_id ) {
1108 wp_send_json_error(
1109 __( 'Missing attachment ID.', 'jetpack' ),
1110 403
1111 );
1112 return;
1113 }
1114
1115 $attachment_post = get_post( $attachment_id );
1116 // If we have no info about that attachment, bail.
1117 if ( ! ( $attachment_post instanceof WP_Post ) ) {
1118 wp_send_json_error(
1119 __( 'Missing attachment info.', 'jetpack' ),
1120 403
1121 );
1122 return;
1123 }
1124
1125 // This AJAX call should only be used to fetch comments of attachments.
1126 if ( 'attachment' !== $attachment_post->post_type ) {
1127 wp_send_json_error(
1128 __( 'You aren’t authorized to do that.', 'jetpack' ),
1129 403
1130 );
1131 return;
1132 }
1133
1134 $parent_post = get_post_parent( $attachment_id );
1135
1136 /*
1137 * If we have no info about that parent post, no extra checks.
1138 * The attachment doesn't have a parent post, so is public.
1139 * If we have a parent post, let's ensure the user has access to it.
1140 */
1141 if ( $parent_post instanceof WP_Post ) {
1142 /*
1143 * Fetch info about user making the request.
1144 * If we have no info, bail.
1145 * Even logged out users should get a WP_User user with id 0.
1146 */
1147 $current_user = wp_get_current_user();
1148 if ( ! ( $current_user instanceof WP_User ) ) {
1149 wp_send_json_error(
1150 __( 'Missing user info.', 'jetpack' ),
1151 403
1152 );
1153 return;
1154 }
1155
1156 /*
1157 * If a post is private / draft
1158 * and the current user doesn't have access to it,
1159 * bail.
1160 */
1161 if (
1162 'publish' !== $parent_post->post_status
1163 && ! current_user_can( 'read_post', $parent_post->ID )
1164 ) {
1165 wp_send_json_error(
1166 __( 'You aren’t authorized to do that.', 'jetpack' ),
1167 403
1168 );
1169 return;
1170 }
1171 }
1172
1173 if ( $offset < 1 ) {
1174 $offset = 0;
1175 }
1176
1177 $comments = get_comments(
1178 array(
1179 'status' => 'approve',
1180 'order' => ( 'asc' === get_option( 'comment_order' ) ) ? 'ASC' : 'DESC',
1181 'number' => 10,
1182 'offset' => $offset,
1183 'post_id' => $attachment_id,
1184 )
1185 );
1186
1187 $out = array();
1188
1189 // Can't just send the results, they contain the commenter's email address.
1190 foreach ( $comments as $comment ) {
1191 $avatar = get_avatar( $comment->comment_author_email, 64 );
1192 if ( ! $avatar ) {
1193 $avatar = '';
1194 }
1195 $out[] = array(
1196 'id' => $comment->comment_ID,
1197 'parent_id' => $comment->comment_parent,
1198 'author_markup' => get_comment_author_link( $comment->comment_ID ),
1199 'gravatar_markup' => $avatar,
1200 'date_gmt' => $comment->comment_date_gmt,
1201 'content' => wpautop( $comment->comment_content ),
1202 );
1203 }
1204
1205 die( wp_json_encode( $out ) );
1206 }
1207
1208 /**
1209 * Adds a new comment to the database
1210 *
1211 * @return never
1212 */
1213 public function post_attachment_comment() {
1214 if ( ! headers_sent() ) {
1215 header( 'Content-type: text/javascript' );
1216 }
1217
1218 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
1219 die( wp_json_encode( array( 'error' => __( 'Nonce verification failed.', 'jetpack' ) ) ) );
1220 }
1221
1222 $_blog_id = isset( $_POST['blog_id'] ) ? (int) $_POST['blog_id'] : 0;
1223 $_post_id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
1224 $comment = isset( $_POST['comment'] ) ? filter_var( wp_unslash( $_POST['comment'] ) ) : null;
1225
1226 if ( empty( $_blog_id ) ) {
1227 die( wp_json_encode( array( 'error' => __( 'Missing target blog ID.', 'jetpack' ) ) ) );
1228 }
1229
1230 if ( empty( $_post_id ) ) {
1231 die( wp_json_encode( array( 'error' => __( 'Missing target post ID.', 'jetpack' ) ) ) );
1232 }
1233
1234 if ( empty( $comment ) ) {
1235 die( wp_json_encode( array( 'error' => __( 'No comment text was submitted.', 'jetpack' ) ) ) );
1236 }
1237
1238 // Used in context like NewDash.
1239 $switched = false;
1240 if ( is_multisite() && get_current_blog_id() !== $_blog_id ) {
1241 switch_to_blog( $_blog_id );
1242 $switched = true;
1243 }
1244
1245 /** This action is documented in modules/carousel/jetpack-carousel.php */
1246 do_action( 'jp_carousel_check_blog_user_privileges' );
1247
1248 if ( ! comments_open( $_post_id ) ) {
1249 if ( $switched ) {
1250 restore_current_blog();
1251 }
1252 die( wp_json_encode( array( 'error' => __( 'Comments on this post are closed.', 'jetpack' ) ) ) );
1253 }
1254
1255 if ( is_user_logged_in() ) {
1256 $user = wp_get_current_user();
1257 $user_id = $user->ID;
1258 $display_name = $user->display_name;
1259 $email = $user->user_email;
1260 $url = $user->user_url;
1261
1262 if ( empty( $user_id ) ) {
1263 if ( $switched ) {
1264 restore_current_blog();
1265 }
1266 die( wp_json_encode( array( 'error' => __( 'Sorry, but we could not authenticate your request.', 'jetpack' ) ) ) );
1267 }
1268 } else {
1269 $user_id = 0;
1270 $display_name = isset( $_POST['author'] ) ? sanitize_text_field( wp_unslash( $_POST['author'] ) ) : null;
1271 $email = isset( $_POST['email'] ) ? wp_unslash( $_POST['email'] ) : null; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Checked or sanitized below.
1272 $url = isset( $_POST['url'] ) ? esc_url_raw( wp_unslash( $_POST['url'] ) ) : null;
1273
1274 if ( get_option( 'require_name_email' ) ) {
1275 if ( empty( $display_name ) ) {
1276 if ( $switched ) {
1277 restore_current_blog();
1278 }
1279 die( wp_json_encode( array( 'error' => __( 'Please provide your name.', 'jetpack' ) ) ) );
1280 }
1281
1282 if ( empty( $email ) ) {
1283 if ( $switched ) {
1284 restore_current_blog();
1285 }
1286 die( wp_json_encode( array( 'error' => __( 'Please provide an email address.', 'jetpack' ) ) ) );
1287 }
1288
1289 if ( ! is_email( $email ) ) {
1290 if ( $switched ) {
1291 restore_current_blog();
1292 }
1293 die( wp_json_encode( array( 'error' => __( 'Please provide a valid email address.', 'jetpack' ) ) ) );
1294 }
1295 } else {
1296 $email = $email !== null ? sanitize_email( $email ) : null;
1297 }
1298 }
1299
1300 $comment_data = array(
1301 'comment_content' => $comment,
1302 'comment_post_ID' => $_post_id,
1303 'comment_author' => $display_name,
1304 'comment_author_email' => $email,
1305 'comment_author_url' => $url,
1306 'comment_approved' => 0,
1307 'comment_type' => 'comment',
1308 );
1309
1310 if ( ! empty( $user_id ) ) {
1311 $comment_data['user_id'] = $user_id;
1312 }
1313
1314 // Note: wp_new_comment() sanitizes and validates the values (too).
1315 $comment_id = wp_new_comment( $comment_data );
1316
1317 /**
1318 * Fires before adding a new comment to the database via the get_attachment_comments ajax endpoint.
1319 *
1320 * @module carousel
1321 *
1322 * @since 1.6.0
1323 */
1324 do_action( 'jp_carousel_post_attachment_comment' );
1325 $comment_status = wp_get_comment_status( $comment_id );
1326
1327 if ( $switched ) {
1328 restore_current_blog();
1329 }
1330
1331 die(
1332 wp_json_encode(
1333 array(
1334 'comment_id' => $comment_id,
1335 'comment_status' => $comment_status,
1336 )
1337 )
1338 );
1339 }
1340
1341 /**
1342 * Register Carousel settings
1343 */
1344 public function register_settings() {
1345 add_settings_section( 'carousel_section', __( 'Image Gallery Carousel', 'jetpack' ), array( $this, 'carousel_section_callback' ), 'media' );
1346
1347 if ( ! $this->in_jetpack ) {
1348 add_settings_field( 'carousel_enable_it', __( 'Enable carousel', 'jetpack' ), array( $this, 'carousel_enable_it_callback' ), 'media', 'carousel_section' );
1349 register_setting( 'media', 'carousel_enable_it', array( $this, 'carousel_enable_it_sanitize' ) );
1350 }
1351
1352 add_settings_field( 'carousel_background_color', __( 'Background color', 'jetpack' ), array( $this, 'carousel_background_color_callback' ), 'media', 'carousel_section' );
1353 register_setting( 'media', 'carousel_background_color', array( $this, 'carousel_background_color_sanitize' ) );
1354
1355 add_settings_field( 'carousel_display_exif', __( 'Metadata', 'jetpack' ), array( $this, 'carousel_display_exif_callback' ), 'media', 'carousel_section' );
1356 register_setting( 'media', 'carousel_display_exif', array( $this, 'carousel_display_exif_sanitize' ) );
1357
1358 add_settings_field( 'carousel_display_comments', __( 'Comments', 'jetpack' ), array( $this, 'carousel_display_comments_callback' ), 'media', 'carousel_section' );
1359 register_setting( 'media', 'carousel_display_comments', array( $this, 'carousel_display_comments_sanitize' ) );
1360 }
1361
1362 /**
1363 * Fulfill the settings section callback requirement by returning nothing.
1364 */
1365 public function carousel_section_callback() {
1366 }
1367
1368 /**
1369 * Tests if a value is set
1370 *
1371 * @param mixed $value The value passed into this function with which to test.
1372 * @param bool $default_to_1 Default is true.
1373 *
1374 * @return bool
1375 */
1376 public function test_1or0_option( $value, $default_to_1 = true ) {
1377 if ( $default_to_1 ) {
1378 // Boolean false (===) of $value means it has not yet been set, in which case we do want to default to 1.
1379 if ( false === $value ) {
1380 $value = 1;
1381 }
1382 }
1383 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1384 }
1385
1386 /**
1387 * Ensures the value returned is in the correct format.
1388 *
1389 * @see test_1or0_option()
1390 * @param mixed $value The value returned from the test_1or0_option function.
1391 *
1392 * @return int
1393 */
1394 public function sanitize_1or0_option( $value ) {
1395 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1396 }
1397
1398 /**
1399 * Outputs a settings checkbox.
1400 *
1401 * @param string $name - For name attribute.
1402 * @param string $label_text - For label attribute.
1403 * @param string $extra_text - Additional checkbox description text. Defaults to empty.
1404 * @param bool $default_to_checked - If the checkbox is checked. Default is true.
1405 */
1406 public function settings_checkbox( $name, $label_text, $extra_text = '', $default_to_checked = true ) {
1407 if ( empty( $name ) ) {
1408 return;
1409 }
1410 $option = $this->test_1or0_option( get_option( $name ), $default_to_checked );
1411 echo '<fieldset>';
1412 echo '<input type="checkbox" name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '" value="1" ';
1413 checked( '1', $option );
1414 echo '/> <label for="' . esc_attr( $name ) . '">' . wp_kses_post( $label_text ) . '</label>';
1415 if ( ! empty( $extra_text ) ) {
1416 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1417 }
1418 echo '</fieldset>';
1419 }
1420
1421 /**
1422 * Output a selection list options
1423 *
1424 * @param string $name - For name attribute.
1425 * @param string $values - For the different option values.
1426 * @param string $extra_text - Additional option section description text. Defaults to empty.
1427 */
1428 public function settings_select( $name, $values, $extra_text = '' ) {
1429 if ( empty( $name ) || ! is_array( $values ) || empty( $values ) ) {
1430 return;
1431 }
1432 $option = get_option( $name );
1433 echo '<fieldset>';
1434 echo '<select name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '">';
1435 foreach ( $values as $key => $value ) {
1436 echo '<option value="' . esc_attr( $key ) . '" ';
1437 selected( $key, $option );
1438 echo '>' . esc_html( $value ) . '</option>';
1439 }
1440 echo '</select>';
1441 if ( ! empty( $extra_text ) ) {
1442 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1443 }
1444 echo '</fieldset>';
1445 }
1446
1447 /**
1448 * Callback for checkbox and label of field that allows to toggle exif display.
1449 */
1450 public function carousel_display_exif_callback() {
1451 $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' ) );
1452 }
1453
1454 /**
1455 * Callback for checkbox and label of field that allows to toggle comments.
1456 */
1457 public function carousel_display_comments_callback() {
1458 $this->settings_checkbox( 'carousel_display_comments', esc_html__( 'Show comments area in carousel', 'jetpack' ) );
1459 }
1460
1461 /**
1462 * Sanitize input for the `carousel_display_exif` setting.
1463 *
1464 * @param mixed $value User input setting value.
1465 *
1466 * @return int Sanitized value, only 1 or 0.
1467 */
1468 public function carousel_display_exif_sanitize( $value ) {
1469 return $this->sanitize_1or0_option( $value );
1470 }
1471
1472 /**
1473 * Return sanitized option for value that controls whether comments will be hidden or not.
1474 *
1475 * @param mixed $value Value to sanitize.
1476 *
1477 * @return int Sanitized value, only 1 or 0.
1478 */
1479 public function carousel_display_comments_sanitize( $value ) {
1480 return $this->sanitize_1or0_option( $value );
1481 }
1482
1483 /**
1484 * Callback for the Carousel background color.
1485 */
1486 public function carousel_background_color_callback() {
1487 $this->settings_select(
1488 'carousel_background_color',
1489 array(
1490 'black' => __( 'Black', 'jetpack' ),
1491 'white' => __( 'White', 'jetpack' ),
1492 )
1493 );
1494 }
1495
1496 /**
1497 * Sanitizing the Carousel backgound color selection.
1498 *
1499 * @param string $value The color string to sanitize.
1500 *
1501 * @return string Sanitized value, 'white' or 'black'.
1502 */
1503 public function carousel_background_color_sanitize( $value ) {
1504 return ( 'white' === $value ) ? 'white' : 'black';
1505 }
1506
1507 /**
1508 * Callback to display text for the carousel_enable_it settings field.
1509 */
1510 public function carousel_enable_it_callback() {
1511 $this->settings_checkbox( 'carousel_enable_it', __( 'Display images in full-size carousel slideshow.', 'jetpack' ) );
1512 }
1513
1514 /**
1515 * Sanitize input for the `carousel_enable_it` setting.
1516 *
1517 * @param mixed $value User input.
1518 *
1519 * @return int Sanitized value, only 1 or 0.
1520 */
1521 public function carousel_enable_it_sanitize( $value ) {
1522 return $this->sanitize_1or0_option( $value );
1523 }
1524 }
1525
1526 new Jetpack_Carousel();
1527