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Jetpack – WP Security, Backup, Speed, & Growth / 12.9.5
Jetpack – WP Security, Backup, Speed, & Growth v12.9.5
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jetpack / modules / carousel / jetpack-carousel.php
jetpack / modules / carousel Last commit date
jetpack-carousel-rtl.css 3 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
1489 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 } else {
100 if ( ! $this->in_jetpack ) {
101 if ( 0 === $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {
102 return; // Carousel disabled, abort early.
103 }
104 }
105 // If on front-end, do the Carousel thang.
106 /**
107 * Filter the array of default prebuilt widths used in Carousel.
108 *
109 * @module carousel
110 *
111 * @since 1.6.0
112 *
113 * @param array $this->prebuilt_widths Array of default widths.
114 */
115 $this->prebuilt_widths = apply_filters( 'jp_carousel_widths', $this->prebuilt_widths );
116 // below: load later than other callbacks hooked it (e.g. 3rd party plugins handling gallery shortcode).
117 add_filter( 'post_gallery', array( $this, 'check_if_shortcode_processed_and_enqueue_assets' ), 1000, 2 );
118 add_filter( 'post_gallery', array( $this, 'set_in_gallery' ), -1000 );
119 add_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
120 add_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ), 10, 2 );
121 add_filter( 'jetpack_tiled_galleries_block_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
122 if ( $this->single_image_gallery_enabled ) {
123 add_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
124 }
125
126 // `is_amp_request()` can't be called until the 'wp' filter.
127 add_action( 'wp', array( $this, 'check_amp_support' ) );
128 }
129
130 if ( $this->in_jetpack ) {
131 Jetpack::enable_module_configurable( dirname( __DIR__ ) . '/carousel.php' );
132 }
133 }
134
135 /**
136 * Check AMP and add filters.
137 */
138 public function check_amp_support() {
139 if (
140 ! class_exists( 'Jetpack_AMP_Support' )
141 || ! Jetpack_AMP_Support::is_amp_request()
142 ) {
143 add_filter( 'render_block_core/gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
144 add_filter( 'render_block_jetpack/tiled-gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
145 }
146 }
147
148 /**
149 * Returns the value of the applied jp_carousel_maybe_disable filter
150 *
151 * @since 1.6.0
152 *
153 * @return bool - Should Carousel be disabled? Default to false.
154  */
155 public function maybe_disable_jp_carousel() {
156 /**
157 * Allow third-party plugins or themes to disable Carousel.
158 *
159 * @module carousel
160 *
161 * @since 1.6.0
162 *
163 * @param bool false Should Carousel be disabled? Default to false.
164 */
165 return apply_filters( 'jp_carousel_maybe_disable', false );
166 }
167
168 /**
169 * Returns the value of the applied jp_carousel_maybe_disable_single_images filter
170 *
171 * @since 4.5.0
172 *
173 * @return bool - Should Carousel be disabled for single images? Default to false.
174 */
175 public function maybe_disable_jp_carousel_single_images() {
176 /**
177 * Allow third-party plugins or themes to disable Carousel for single images.
178 *
179 * @module carousel
180 *
181 * @since 4.5.0
182 *
183 * @param bool false Should Carousel be disabled for single images? Default to false.
184 */
185 return apply_filters( 'jp_carousel_maybe_disable_single_images', false );
186 }
187
188 /**
189 * Returns the value of the applied jp_carousel_load_for_images_linked_to_file filter
190 *
191 * @since 4.5.0
192 *
193 * @return bool - Should Carousel be enabled for single images linking to 'Media File'? Default to false.
194 */
195 public function maybe_enable_jp_carousel_single_images_media_file() {
196 /**
197 * Allow third-party plugins or themes to enable Carousel
198 * for single images linking to 'Media File' (full size image).
199 *
200 * @module carousel
201 *
202 * @since 4.5.0
203 *
204 * @param bool false Should Carousel be enabled for single images linking to 'Media File'? Default to false.
205 */
206 return apply_filters( 'jp_carousel_load_for_images_linked_to_file', false );
207 }
208
209 /**
210 * Returns the value of the applied jp_carousel_asset_version filter
211 *
212 * @since 1.6.0
213 *
214 * @param string $version Asset version.
215 *
216 * @return string
217 */
218 public function asset_version( $version ) {
219 /**
220 * Filter the version string used when enqueuing Carousel assets.
221 *
222 * @module carousel
223 *
224 * @since 1.6.0
225 *
226 * @param string $version Asset version.
227 */
228 return apply_filters( 'jp_carousel_asset_version', $version );
229 }
230
231 /**
232 * Displays a message on top of gallery if carousel has bailed.
233 *
234 * @param string $output Gallery shortcode output.
235 *
236 * @return string Shortcode output with bail message prepended.
237 */
238 public function display_bail_message( $output = '' ) {
239 $message = '<div class="jp-carousel-msg"><p>';
240 $message .= __( 'Jetpack\'s Carousel has been disabled, because another plugin or your theme is overriding the [gallery] shortcode.', 'jetpack' );
241 $message .= '</p></div>';
242 // put before gallery output.
243 $output = $message . $output;
244 return $output;
245 }
246
247 /**
248 * Determine whether Carousel is enabled, and adjust filters and enqueue assets accordingly.
249 *
250 * If no other filter hook produced output for the gallery shortcode or something returns true for
251 * the `jp_carousel_force_enable` filter, Carousel is enabled and we queue our assets. Otherwise
252 * it's disabled and we remove some of our subsequent filter hooks.
253 *
254 * @since 1.9.0
255 *
256 * @param string $output Gallery shortcode output.
257 *
258 * @return string Gallery shortcode output.
259 */
260 public function check_if_shortcode_processed_and_enqueue_assets( $output ) {
261 if (
262 class_exists( 'Jetpack_AMP_Support' )
263 && Jetpack_AMP_Support::is_amp_request()
264 ) {
265 return $output;
266 }
267
268 if (
269 ! empty( $output ) &&
270 /**
271 * Allow third-party plugins or themes to force-enable Carousel.
272 *
273 * @module carousel
274 *
275 * @since 1.9.0
276 *
277 * @param bool false Should we force enable Carousel? Default to false.
278 */
279 ! apply_filters( 'jp_carousel_force_enable', false )
280 ) {
281 // Bail because someone is overriding the [gallery] shortcode.
282 remove_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
283 remove_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ) );
284 remove_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
285 // Display message that carousel has bailed, if user is super_admin, and if we're not on WordPress.com.
286 if (
287 is_super_admin() &&
288 ! ( defined( 'IS_WPCOM' ) && IS_WPCOM )
289 ) {
290 add_filter( 'post_gallery', array( $this, 'display_bail_message' ) );
291 }
292 return $output;
293 }
294
295 /**
296 * Fires when thumbnails are shown in Carousel.
297 *
298 * @module carousel
299 *
300 * @since 1.6.0
301 */
302 do_action( 'jp_carousel_thumbnails_shown' );
303
304 $this->enqueue_assets();
305
306 return $output;
307 }
308
309 /**
310 * Check if the content of a post uses gallery blocks. To be used by 'the_content' filter.
311 *
312 * @since 6.8.0
313 * @deprecated since 11.3 We now hook into the 'block_render_{block_name}' hook to add markup.
314 *
315 * @param string $content Post content.
316 *
317 * @return string $content Post content.
318 */
319 public function check_content_for_blocks( $content ) {
320 _deprecated_function( __METHOD__, 'jetpack-11.3' );
321
322 if (
323 class_exists( 'Jetpack_AMP_Support' )
324 && Jetpack_AMP_Support::is_amp_request()
325 ) {
326 return $content;
327 }
328
329 if ( has_block( 'gallery', $content ) || has_block( 'jetpack/tiled-gallery', $content ) ) {
330 $this->enqueue_assets();
331 $content = $this->add_data_to_container( $content );
332 }
333
334 return $content;
335 }
336
337 /**
338 * Enrich the gallery block content using the render_block_{$this->name} filter.
339 * This function is triggered after block render to make sure we track galleries within
340 * reusable blocks.
341 *
342 * @see https://developer.wordpress.org/reference/hooks/render_block_this-name/
343 *
344 * @param string $block_content The rendered HTML for the carousel or gallery block.
345 * @param array $block The parsed block details for the block.
346 * @return string The fully-processed HTML for the carousel or gallery block.
347 *
348 * @since 11.3
349 */
350 public function filter_gallery_block_render( $block_content, $block ) {
351 global $post;
352
353 if ( empty( $block['blockName'] ) || ! in_array( $block['blockName'], array( 'core/gallery', 'jetpack/tiled-gallery' ), true ) ) {
354 return $block_content;
355 }
356
357 $this->enqueue_assets();
358
359 if ( ! isset( $post ) ) {
360 return $block_content;
361 }
362
363 $blog_id = (int) get_current_blog_id();
364
365 $extra_data = array(
366 'data-carousel-extra' => array(
367 'blog_id' => $blog_id,
368 'permalink' => get_permalink( $post->ID ),
369 ),
370 );
371
372 /**
373 * Filter the data added to the Gallery container.
374 *
375 * @module carousel
376 *
377 * @since 1.6.0
378 *
379 * @param array $extra_data Array of data about the site and the post.
380 */
381 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
382 $extra_data = (array) $extra_data;
383
384 if ( empty( $extra_data ) ) {
385 return $block_content;
386 }
387
388 $extra_attributes = implode(
389 ' ',
390 array_map(
391 function ( $data_key, $data_values ) {
392 return esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "'";
393 },
394 array_keys( $extra_data ),
395 array_values( $extra_data )
396 )
397 );
398
399 // Add extra attributes to first HTML element (which may have leading whitespace)
400 return preg_replace(
401 '/^(\s*<(div|ul|figure))/',
402 '$1 ' . $extra_attributes . ' ',
403 $block_content,
404 1
405 );
406 }
407
408 /**
409 * Enqueueing Carousel assets.
410 */
411 public function enqueue_assets() {
412 if ( $this->first_run ) {
413 wp_enqueue_script(
414 'jetpack-carousel',
415 Assets::get_file_url_for_environment(
416 '_inc/build/carousel/jetpack-carousel.min.js',
417 'modules/carousel/jetpack-carousel.js'
418 ),
419 array(),
420 $this->asset_version( JETPACK__VERSION ),
421 true
422 );
423
424 $swiper_library_path = array(
425 'url' => Assets::get_file_url_for_environment(
426 '_inc/build/carousel/swiper-bundle.min.js',
427 'modules/carousel/swiper-bundle.js'
428 ),
429 );
430 wp_localize_script( 'jetpack-carousel', 'jetpackSwiperLibraryPath', $swiper_library_path );
431
432 // 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).
433 // Also: not hardcoding path since there is no guarantee site is running on site root in self-hosted context.
434 $is_logged_in = is_user_logged_in();
435 $comment_registration = (int) get_option( 'comment_registration' );
436 $require_name_email = (int) get_option( 'require_name_email' );
437 $localize_strings = array(
438 'widths' => $this->prebuilt_widths,
439 'is_logged_in' => $is_logged_in,
440 'lang' => strtolower( substr( get_locale(), 0, 2 ) ),
441 'ajaxurl' => set_url_scheme( admin_url( 'admin-ajax.php' ) ),
442 'nonce' => wp_create_nonce( 'carousel_nonce' ),
443 'display_exif' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_exif', true ) ),
444 'display_comments' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_comments', true ) ),
445 'single_image_gallery' => $this->single_image_gallery_enabled,
446 'single_image_gallery_media_file' => $this->single_image_gallery_enabled_media_file,
447 'background_color' => $this->carousel_background_color_sanitize( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_background_color', '' ) ),
448 'comment' => __( 'Comment', 'jetpack' ),
449 'post_comment' => __( 'Post Comment', 'jetpack' ),
450 'write_comment' => __( 'Write a Comment...', 'jetpack' ),
451 'loading_comments' => __( 'Loading Comments...', 'jetpack' ),
452 'download_original' => sprintf(
453 /* translators: %1s is the full-size image width, and %2s is the height. */
454 __( 'View full size <span class="photo-size">%1$s<span class="photo-size-times">&times;</span>%2$s</span>', 'jetpack' ),
455 '{0}',
456 '{1}'
457 ),
458 'no_comment_text' => __( 'Please be sure to submit some text with your comment.', 'jetpack' ),
459 'no_comment_email' => __( 'Please provide an email address to comment.', 'jetpack' ),
460 'no_comment_author' => __( 'Please provide your name to comment.', 'jetpack' ),
461 'comment_post_error' => __( 'Sorry, but there was an error posting your comment. Please try again later.', 'jetpack' ),
462 'comment_approved' => __( 'Your comment was approved.', 'jetpack' ),
463 'comment_unapproved' => __( 'Your comment is in moderation.', 'jetpack' ),
464 'camera' => __( 'Camera', 'jetpack' ),
465 'aperture' => __( 'Aperture', 'jetpack' ),
466 'shutter_speed' => __( 'Shutter Speed', 'jetpack' ),
467 'focal_length' => __( 'Focal Length', 'jetpack' ),
468 'copyright' => __( 'Copyright', 'jetpack' ),
469 'comment_registration' => $comment_registration,
470 'require_name_email' => $require_name_email,
471 /** This action is documented in core/src/wp-includes/link-template.php */
472 'login_url' => wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ),
473 'blog_id' => (int) get_current_blog_id(),
474 'meta_data' => array( 'camera', 'aperture', 'shutter_speed', 'focal_length', 'copyright' ),
475 );
476
477 /**
478 * Handle WP stats for images in full-screen.
479 * Build string with tracking info.
480 */
481
482 /**
483 * Filter if Jetpack should enable stats collection on carousel views
484 *
485 * @module carousel
486 *
487 * @since 4.3.2
488 *
489 * @param bool Enable Jetpack Carousel stat collection. Default false.
490 */
491 if ( apply_filters( 'jetpack_enable_carousel_stats', false ) && in_array( 'stats', Jetpack::get_active_modules(), true ) && ! ( new Status() )->is_offline_mode() ) {
492 $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;
493
494 // Set the stats as empty if user is logged in but logged-in users shouldn't be tracked.
495 if ( is_user_logged_in() ) {
496 $stats_options = Stats_Options::get_options();
497 $track_loggedin_users = isset( $stats_options['count_roles'] ) ? (bool) $stats_options['count_roles'] : false;
498
499 if ( ! $track_loggedin_users ) {
500 $localize_strings['stats'] = '';
501 }
502 }
503 }
504
505 /**
506 * Filter the strings passed to the Carousel's js file.
507 *
508 * @module carousel
509 *
510 * @since 1.6.0
511 *
512 * @param array $localize_strings Array of strings passed to the Jetpack js file.
513 */
514 $localize_strings = apply_filters( 'jp_carousel_localize_strings', $localize_strings );
515 wp_localize_script( 'jetpack-carousel', 'jetpackCarouselStrings', $localize_strings );
516 wp_enqueue_style(
517 'jetpack-carousel-swiper-css',
518 plugins_url( 'swiper-bundle.css', __FILE__ ),
519 array(),
520 $this->asset_version( JETPACK__VERSION )
521 );
522 wp_enqueue_style( 'jetpack-carousel', plugins_url( 'jetpack-carousel.css', __FILE__ ), array(), $this->asset_version( JETPACK__VERSION ) );
523 wp_style_add_data( 'jetpack-carousel', 'rtl', 'replace' );
524
525 /**
526 * Fires after carousel assets are enqueued for the first time.
527 * Allows for adding additional assets to the carousel page.
528 *
529 * @module carousel
530 *
531 * @since 1.6.0
532 *
533 * @param bool $first_run First load if Carousel on the page.
534 * @param array $localized_strings Array of strings passed to the Jetpack js file.
535 */
536 do_action( 'jp_carousel_enqueue_assets', $this->first_run, $localize_strings );
537
538 // Add the carousel skeleton to the page.
539 $this->localize_strings = $localize_strings;
540 add_action( 'wp_footer', array( $this, 'add_carousel_skeleton' ) );
541
542 $this->first_run = false;
543 }
544 }
545
546 /**
547 * Generate the HTML skeleton that will be picked up by the Carousel JS and used for showing the carousel.
548 */
549 public function add_carousel_skeleton() {
550 $localize_strings = $this->localize_strings;
551 $is_light = ( 'white' === $localize_strings['background_color'] );
552 // Determine whether to fall back to standard local comments.
553 $use_local_comments = ! isset( $localize_strings['jetpack_comments_iframe_src'] ) || empty( $localize_strings['jetpack_comments_iframe_src'] );
554 $current_user = wp_get_current_user();
555 $require_name_email = (int) get_option( 'require_name_email' );
556 /* translators: %s is replaced with a field name in the form, e.g. "Email" */
557 $required = ( $require_name_email ) ? __( '%s (Required)', 'jetpack' ) : '%s';
558 ?>
559 <div id="jp-carousel-loading-overlay">
560 <div id="jp-carousel-loading-wrapper">
561 <span id="jp-carousel-library-loading">&nbsp;</span>
562 </div>
563 </div>
564 <div class="jp-carousel-overlay<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>" style="display: none;">
565
566 <div class="jp-carousel-container<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>">
567 <!-- The Carousel Swiper -->
568 <div
569 class="jp-carousel-wrap swiper-container jp-carousel-swiper-container jp-carousel-transitions"
570 itemscope
571 itemtype="https://schema.org/ImageGallery">
572 <div class="jp-carousel swiper-wrapper"></div>
573 <div class="jp-swiper-button-prev swiper-button-prev">
574 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
575 <mask id="maskPrev" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="9" height="12">
576 <path d="M16.2072 16.59L11.6496 12L16.2072 7.41L14.8041 6L8.8335 12L14.8041 18L16.2072 16.59Z" fill="white"/>
577 </mask>
578 <g mask="url(#maskPrev)">
579 <rect x="0.579102" width="23.8823" height="24" fill="#FFFFFF"/>
580 </g>
581 </svg>
582 </div>
583 <div class="jp-swiper-button-next swiper-button-next">
584 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
585 <mask id="maskNext" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="8" height="12">
586 <path d="M8.59814 16.59L13.1557 12L8.59814 7.41L10.0012 6L15.9718 12L10.0012 18L8.59814 16.59Z" fill="white"/>
587 </mask>
588 <g mask="url(#maskNext)">
589 <rect x="0.34375" width="23.8822" height="24" fill="#FFFFFF"/>
590 </g>
591 </svg>
592 </div>
593 </div>
594 <!-- The main close buton -->
595 <div class="jp-carousel-close-hint">
596 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
597 <mask id="maskClose" mask-type="alpha" maskUnits="userSpaceOnUse" x="5" y="5" width="15" height="14">
598 <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"/>
599 </mask>
600 <g mask="url(#maskClose)">
601 <rect x="0.409668" width="23.8823" height="24" fill="#FFFFFF"/>
602 </g>
603 </svg>
604 </div>
605 <!-- Image info, comments and meta -->
606 <div class="jp-carousel-info">
607 <div class="jp-carousel-info-footer">
608 <div class="jp-carousel-pagination-container">
609 <div class="jp-swiper-pagination swiper-pagination"></div>
610 <div class="jp-carousel-pagination"></div>
611 </div>
612 <div class="jp-carousel-photo-title-container">
613 <h2 class="jp-carousel-photo-caption"></h2>
614 </div>
615 <div class="jp-carousel-photo-icons-container">
616 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-info" aria-label="<?php esc_attr_e( 'Toggle photo metadata visibility', 'jetpack' ); ?>">
617 <span class="jp-carousel-icon">
618 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
619 <mask id="maskInfo" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
620 <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"/>
621 </mask>
622 <g mask="url(#maskInfo)">
623 <rect x="0.8125" width="23.8823" height="24" fill="#FFFFFF"/>
624 </g>
625 </svg>
626 </span>
627 </a>
628 <?php if ( $localize_strings['display_comments'] ) : ?>
629 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-comments" aria-label="<?php esc_attr_e( 'Toggle photo comments visibility', 'jetpack' ); ?>">
630 <span class="jp-carousel-icon">
631 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
632 <mask id="maskComments" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
633 <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"/>
634 </mask>
635 <g mask="url(#maskComments)">
636 <rect x="0.34668" width="23.8823" height="24" fill="#FFFFFF"/>
637 </g>
638 </svg>
639
640 <span class="jp-carousel-has-comments-indicator" aria-label="<?php esc_attr_e( 'This image has comments.', 'jetpack' ); ?>"></span>
641 </span>
642 </a>
643 <?php endif; ?>
644 </div>
645 </div>
646 <div class="jp-carousel-info-extra">
647 <div class="jp-carousel-info-content-wrapper">
648 <div class="jp-carousel-photo-title-container">
649 <h2 class="jp-carousel-photo-title"></h2>
650 </div>
651 <div class="jp-carousel-comments-wrapper">
652 <?php if ( $localize_strings['display_comments'] ) : ?>
653 <div id="jp-carousel-comments-loading">
654 <span><?php echo esc_html( $localize_strings['loading_comments'] ); ?></span>
655 </div>
656 <div class="jp-carousel-comments"></div>
657 <div id="jp-carousel-comment-form-container">
658 <span id="jp-carousel-comment-form-spinner">&nbsp;</span>
659 <div id="jp-carousel-comment-post-results"></div>
660 <?php if ( $use_local_comments ) : ?>
661 <?php if ( ! $localize_strings['is_logged_in'] && $localize_strings['comment_registration'] ) : ?>
662 <div id="jp-carousel-comment-form-commenting-as">
663 <p id="jp-carousel-commenting-as">
664 <?php
665 echo wp_kses(
666 __( 'You must be <a href="#" class="jp-carousel-comment-login">logged in</a> to post a comment.', 'jetpack' ),
667 array(
668 'a' => array(
669 'href' => array(),
670 'class' => array(),
671 ),
672 )
673 );
674 ?>
675 </p>
676 </div>
677 <?php else : ?>
678 <form id="jp-carousel-comment-form">
679 <label for="jp-carousel-comment-form-comment-field" class="screen-reader-text"><?php echo esc_attr( $localize_strings['write_comment'] ); ?></label>
680 <textarea
681 name="comment"
682 class="jp-carousel-comment-form-field jp-carousel-comment-form-textarea"
683 id="jp-carousel-comment-form-comment-field"
684 placeholder="<?php echo esc_attr( $localize_strings['write_comment'] ); ?>"
685 ></textarea>
686 <div id="jp-carousel-comment-form-submit-and-info-wrapper">
687 <div id="jp-carousel-comment-form-commenting-as">
688 <?php if ( $localize_strings['is_logged_in'] ) : ?>
689 <p id="jp-carousel-commenting-as">
690 <?php
691 printf(
692 /* translators: %s is replaced with the user's display name */
693 esc_html__( 'Commenting as %s', 'jetpack' ),
694 esc_html( $current_user->data->display_name )
695 );
696 ?>
697 </p>
698 <?php else : ?>
699 <fieldset>
700 <label for="jp-carousel-comment-form-email-field"><?php echo esc_html( sprintf( $required, __( 'Email', 'jetpack' ) ) ); ?></label>
701 <input type="text" name="email" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-email-field" />
702 </fieldset>
703 <fieldset>
704 <label for="jp-carousel-comment-form-author-field"><?php echo esc_html( sprintf( $required, __( 'Name', 'jetpack' ) ) ); ?></label>
705 <input type="text" name="author" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-author-field" />
706 </fieldset>
707 <fieldset>
708 <label for="jp-carousel-comment-form-url-field"><?php esc_html_e( 'Website', 'jetpack' ); ?></label>
709 <input type="text" name="url" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-url-field" />
710 </fieldset>
711 <?php endif ?>
712 </div>
713 <input
714 type="submit"
715 name="submit"
716 class="jp-carousel-comment-form-button"
717 id="jp-carousel-comment-form-button-submit"
718 value="<?php echo esc_attr( $localize_strings['post_comment'] ); ?>" />
719 </div>
720 </form>
721 <?php endif ?>
722 <?php endif ?>
723 </div>
724 <?php endif ?>
725 </div>
726 <div class="jp-carousel-image-meta">
727 <div class="jp-carousel-title-and-caption">
728 <div class="jp-carousel-photo-info">
729 <h3 class="jp-carousel-caption" itemprop="caption description"></h3>
730 </div>
731
732 <div class="jp-carousel-photo-description"></div>
733 </div>
734 <ul class="jp-carousel-image-exif" style="display: none;"></ul>
735 <a class="jp-carousel-image-download" href="#" target="_blank" style="display: none;">
736 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
737 <mask id="mask0" mask-type="alpha" maskUnits="userSpaceOnUse" x="3" y="3" width="19" height="18">
738 <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"/>
739 </mask>
740 <g mask="url(#mask0)">
741 <rect x="0.870605" width="23.8823" height="24" fill="#FFFFFF"/>
742 </g>
743 </svg>
744 <span class="jp-carousel-download-text"></span>
745 </a>
746 <div class="jp-carousel-image-map" style="display: none;"></div>
747 </div>
748 </div>
749 </div>
750 </div>
751 </div>
752
753 </div>
754 <?php
755 }
756
757 /**
758 * Sets the "in_gallery" flag when the first gallery is encountered (unless in AMP mode).
759 *
760 * @deprecated since 10.8
761 *
762 * @param string $output Gallery shortcode output. Passed through unchanged.
763 *
764 * @return string
765 */
766 public function set_in_gallery( $output ) {
767 if (
768 class_exists( 'Jetpack_AMP_Support' )
769 && Jetpack_AMP_Support::is_amp_request()
770 ) {
771 return $output;
772 }
773 $this->in_gallery = true;
774 return $output;
775 }
776
777 /**
778 * Adds data-* attributes required by carousel to img tags in post HTML
779 * content. To be used by 'the_content' filter.
780 *
781 * @see add_data_to_images()
782 * @see wp_make_content_images_responsive() in wp-includes/media.php
783 *
784 * @param string $content HTML content of the post.
785 * @return string
786 */
787 public function add_data_img_tags_and_enqueue_assets( $content ) {
788 if (
789 class_exists( 'Jetpack_AMP_Support' )
790 && Jetpack_AMP_Support::is_amp_request()
791 ) {
792 return $this->maybe_add_amp_lightbox( $content );
793 }
794
795 if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
796 return $content;
797 }
798 $selected_images = array();
799 foreach ( $matches[0] as $image_html ) {
800 if (
801 preg_match( '/(wp-image-|data-id=)\"?([0-9]+)\"?/i', $image_html, $class_id )
802 && ! preg_match( '/wp-block-jetpack-slideshow_image/', $image_html )
803 ) {
804 /**
805 * Allow filtering the attachment ID used to fetch and populate metadata about an image in a gallery.
806 *
807 * @module carousel
808 *
809 * @since 12.6
810 *
811 * @param int $attachment_id Attachment ID pulled from image HTML.
812 * @param string $image_html Full HTML image tag.
813 */
814 $attachment_id = absint(
815 apply_filters(
816 'jetpack_carousel_image_attachment_id',
817 $class_id[2],
818 $image_html
819 )
820 );
821
822 /**
823 * The same image tag may be used more than once but with different attribs,
824 * so save each of them against the attachment id.
825 */
826 if ( ! isset( $selected_images[ $attachment_id ] ) || ! in_array( $image_html, $selected_images[ $attachment_id ], true ) ) {
827 $selected_images[ $attachment_id ][] = $image_html;
828 }
829 }
830 }
831
832 $find = array();
833 $replace = array();
834 if ( empty( $selected_images ) ) {
835 return $content;
836 }
837
838 $attachments = get_posts(
839 array(
840 'include' => array_keys( $selected_images ),
841 'post_type' => 'any',
842 'post_status' => 'any',
843 'suppress_filters' => false,
844 )
845 );
846
847 foreach ( $attachments as $attachment ) {
848 /*
849 * If the item from get_posts isn't an attachment, skip. This can occur when copy-pasta from another WP site.
850 * 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" />"
851 * then, we're going to look up post 7 below, which making sure it is an attachment.
852 *
853 * This is meant as a relatively quick fix, as a better fix is likely to update the get_posts call above to only
854 * include attachments.
855 */
856 if ( ! isset( $attachment->ID ) || ! wp_attachment_is_image( $attachment->ID ) ) {
857 continue;
858 }
859 $image_elements = $selected_images[ $attachment->ID ];
860
861 if ( ! is_array( $image_elements ) ) {
862 continue;
863 }
864
865 $attributes = $this->add_data_to_images( array(), $attachment );
866 $attributes_html = '';
867 foreach ( $attributes as $k => $v ) {
868 $attributes_html .= esc_attr( $k ) . '="' . esc_attr( $v ) . '" ';
869 }
870 foreach ( $image_elements as $image_html ) {
871 $find[] = $image_html;
872 $replace[] = str_replace( '<img ', "<img $attributes_html", $image_html );
873 }
874 }
875
876 $content = str_replace( $find, $replace, $content );
877 $this->enqueue_assets();
878 return $content;
879 }
880
881 /**
882 * Adds the data attributes themselves to img tags.
883 *
884 * @see add_data_img_tags_and_enqueue_assets()
885 * @see https://developer.wordpress.org/reference/functions/wp_get_attachment_image/ Documentation about wp_get_attachment_image
886 *
887 * @param string[] $attr Array of attribute values for the image markup, keyed by attribute name.
888 * @param WP_Post $attachment Image attachment post.
889 *
890 * @return string[] Modified image attributes.
891 */
892 public function add_data_to_images( $attr, $attachment = null ) {
893 if (
894 class_exists( 'Jetpack_AMP_Support' )
895 && Jetpack_AMP_Support::is_amp_request()
896 ) {
897 return $attr;
898 }
899
900 $attachment_id = (int) $attachment->ID;
901 if ( ! wp_attachment_is_image( $attachment_id ) ) {
902 return $attr;
903 }
904
905 $orig_file = wp_get_attachment_image_src( $attachment_id, 'full' );
906 $orig_file = isset( $orig_file[0] ) ? $orig_file[0] : wp_get_attachment_url( $attachment_id );
907 $meta = wp_get_attachment_metadata( $attachment_id );
908 $size = isset( $meta['width'] ) ? (int) $meta['width'] . ',' . (int) $meta['height'] : '';
909 $img_meta = ( ! empty( $meta['image_meta'] ) ) ? (array) $meta['image_meta'] : array();
910 $comments_opened = (int) comments_open( $attachment_id );
911
912 /**
913 * Note: Cannot generate a filename from the width and height wp_get_attachment_image_src() returns because
914 * it takes the $content_width global variable themes can set in consideration, therefore returning sizes
915 * which when used to generate a filename will likely result in a 404 on the image.
916 * $content_width has no filter we could temporarily de-register, run wp_get_attachment_image_src(), then
917 * re-register. So using returned file URL instead, which we can define the sizes from through filename
918 * parsing in the JS, as this is a failsafe file reference.
919 *
920 * EG with Twenty Eleven activated:
921 * 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) }
922 *
923 * EG with Twenty Ten activated:
924 * 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) }
925 */
926
927 $medium_file_info = wp_get_attachment_image_src( $attachment_id, 'medium' );
928 $medium_file = isset( $medium_file_info[0] ) ? $medium_file_info[0] : '';
929
930 $large_file_info = wp_get_attachment_image_src( $attachment_id, 'large' );
931 $large_file = isset( $large_file_info[0] ) ? $large_file_info[0] : '';
932
933 $attachment = get_post( $attachment_id );
934 $attachment_title = ! empty( $attachment ) ? wptexturize( $attachment->post_title ) : '';
935 $attachment_desc = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_content ) ) : '';
936 $attachment_caption = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_excerpt ) ) : '';
937
938 // See https://github.com/Automattic/jetpack/issues/2765.
939 if ( isset( $img_meta['keywords'] ) ) {
940 unset( $img_meta['keywords'] );
941 }
942
943 $img_meta = wp_json_encode( array_map( 'strval', array_filter( $img_meta, 'is_scalar' ) ) );
944
945 $attr['data-attachment-id'] = $attachment_id;
946 $attr['data-permalink'] = esc_attr( get_permalink( $attachment_id ) );
947 $attr['data-orig-file'] = esc_attr( $orig_file );
948 $attr['data-orig-size'] = $size;
949 $attr['data-comments-opened'] = $comments_opened;
950 $attr['data-image-meta'] = esc_attr( $img_meta );
951 // 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.
952 $attr['data-image-title'] = esc_attr( htmlspecialchars( $attachment_title, ENT_COMPAT ) );
953 $attr['data-image-description'] = esc_attr( htmlspecialchars( $attachment_desc, ENT_COMPAT ) );
954 $attr['data-image-caption'] = esc_attr( htmlspecialchars( $attachment_caption, ENT_COMPAT ) );
955 $attr['data-medium-file'] = esc_attr( $medium_file );
956 $attr['data-large-file'] = esc_attr( $large_file );
957
958 return $attr;
959 }
960
961 /**
962 * Add additional attributes to the Gallery container HTML.
963 *
964 * @param string $html The HTML to which the additional attributes are added.
965 *
966 * @return string
967 */
968 public function add_data_to_container( $html ) {
969 global $post;
970 if (
971 class_exists( 'Jetpack_AMP_Support' )
972 && Jetpack_AMP_Support::is_amp_request()
973 ) {
974 return $html;
975 }
976
977 if ( isset( $post ) ) {
978 $blog_id = (int) get_current_blog_id();
979
980 $extra_data = array(
981 'data-carousel-extra' => array(
982 'blog_id' => $blog_id,
983 'permalink' => get_permalink( $post->ID ),
984 ),
985 );
986
987 /**
988 * Filter the data added to the Gallery container.
989 *
990 * @module carousel
991 *
992 * @since 1.6.0
993 *
994 * @param array $extra_data Array of data about the site and the post.
995 */
996 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
997 foreach ( (array) $extra_data as $data_key => $data_values ) {
998 $html = str_replace( '<div ', '<div ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' ", $html );
999 $html = str_replace( '<ul class="wp-block-gallery', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"wp-block-gallery", $html );
1000 $html = str_replace( '<ul class="blocks-gallery-grid', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"blocks-gallery-grid", $html );
1001 $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 );
1002 }
1003 }
1004
1005 return $html;
1006 }
1007
1008 /**
1009 * Conditionally adds amp-lightbox to galleries and images.
1010 *
1011 * This applies to gallery blocks and shortcodes,
1012 * in addition to images that are wrapped in a link to the page.
1013 * Images wrapped in a link to the media file shouldn't get an amp-lightbox.
1014 *
1015 * @param string $content The content to possibly add amp-lightbox to.
1016 * @return string The content, with amp-lightbox possibly added.
1017 */
1018 public function maybe_add_amp_lightbox( $content ) {
1019 $content = preg_replace(
1020 array(
1021 '#(<figure)[^>]*(?=class=(["\']?)[^>]*wp-block-gallery[^>]*\2)#is', // Gallery block.
1022 '#(\[gallery)(?=\s+)#', // Gallery shortcode.
1023 ),
1024 array(
1025 '\1 data-amp-lightbox="true" ', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/sanitizers/class-amp-gallery-block-sanitizer.php#L84.
1026 '\1 amp-lightbox="true"', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/embeds/class-amp-gallery-embed.php#L64.
1027 ),
1028 $content
1029 );
1030
1031 return preg_replace_callback(
1032 '#(<a[^>]* href=(["\']?)(\S+)\2>)\s*(<img[^>]*)(class=(["\']?)[^>]*wp-image-[0-9]+[^>]*\6.*>)\s*</a>#is',
1033 static function ( $matches ) {
1034 if ( ! preg_match( '#\.\w+$#', $matches[3] ) ) {
1035 // 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.
1036 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.
1037 }
1038
1039 return $matches[0];
1040 },
1041 $content
1042 );
1043 }
1044
1045 /**
1046 * Retrieves comment information
1047 *
1048 * @return string
1049 */
1050 public function get_attachment_comments() {
1051 if ( ! headers_sent() ) {
1052 header( 'Content-type: text/javascript' );
1053 }
1054
1055 /**
1056 * Allows for the checking of privileges of the blog user before comments
1057 * are packaged as JSON and sent back from the get_attachment_comments
1058 * AJAX endpoint
1059 *
1060 * @module carousel
1061 *
1062 * @since 1.6.0
1063 */
1064 do_action( 'jp_carousel_check_blog_user_privileges' );
1065
1066 // 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).
1067 $attachment_id = ( isset( $_REQUEST['id'] ) ) ? (int) $_REQUEST['id'] : 0;
1068 $offset = ( isset( $_REQUEST['offset'] ) ) ? (int) $_REQUEST['offset'] : 0;
1069 // phpcs:enable
1070
1071 if ( ! $attachment_id ) {
1072 wp_send_json_error(
1073 __( 'Missing attachment ID.', 'jetpack' ),
1074 403
1075 );
1076 return;
1077 }
1078
1079 $attachment_post = get_post( $attachment_id );
1080 // If we have no info about that attachment, bail.
1081 if ( ! ( $attachment_post instanceof WP_Post ) ) {
1082 wp_send_json_error(
1083 __( 'Missing attachment info.', 'jetpack' ),
1084 403
1085 );
1086 return;
1087 }
1088
1089 // This AJAX call should only be used to fetch comments of attachments.
1090 if ( 'attachment' !== $attachment_post->post_type ) {
1091 wp_send_json_error(
1092 __( 'You aren’t authorized to do that.', 'jetpack' ),
1093 403
1094 );
1095 return;
1096 }
1097
1098 $parent_post = get_post_parent( $attachment_id );
1099
1100 /*
1101 * If we have no info about that parent post, no extra checks.
1102 * The attachment doesn't have a parent post, so is public.
1103 * If we have a parent post, let's ensure the user has access to it.
1104 */
1105 if ( $parent_post instanceof WP_Post ) {
1106 /*
1107 * Fetch info about user making the request.
1108 * If we have no info, bail.
1109 * Even logged out users should get a WP_User user with id 0.
1110 */
1111 $current_user = wp_get_current_user();
1112 if ( ! ( $current_user instanceof WP_User ) ) {
1113 wp_send_json_error(
1114 __( 'Missing user info.', 'jetpack' ),
1115 403
1116 );
1117 return;
1118 }
1119
1120 /*
1121 * If a post is private / draft
1122 * and the current user doesn't have access to it,
1123 * bail.
1124 */
1125 if (
1126 'publish' !== $parent_post->post_status
1127 && ! current_user_can( 'read_post', $parent_post->ID )
1128 ) {
1129 wp_send_json_error(
1130 __( 'You aren’t authorized to do that.', 'jetpack' ),
1131 403
1132 );
1133 return;
1134 }
1135 }
1136
1137 if ( $offset < 1 ) {
1138 $offset = 0;
1139 }
1140
1141 $comments = get_comments(
1142 array(
1143 'status' => 'approve',
1144 'order' => ( 'asc' === get_option( 'comment_order' ) ) ? 'ASC' : 'DESC',
1145 'number' => 10,
1146 'offset' => $offset,
1147 'post_id' => $attachment_id,
1148 )
1149 );
1150
1151 $out = array();
1152
1153 // Can't just send the results, they contain the commenter's email address.
1154 foreach ( $comments as $comment ) {
1155 $avatar = get_avatar( $comment->comment_author_email, 64 );
1156 if ( ! $avatar ) {
1157 $avatar = '';
1158 }
1159 $out[] = array(
1160 'id' => $comment->comment_ID,
1161 'parent_id' => $comment->comment_parent,
1162 'author_markup' => get_comment_author_link( $comment->comment_ID ),
1163 'gravatar_markup' => $avatar,
1164 'date_gmt' => $comment->comment_date_gmt,
1165 'content' => wpautop( $comment->comment_content ),
1166 );
1167 }
1168
1169 die( wp_json_encode( $out ) );
1170 }
1171
1172 /**
1173 * Adds a new comment to the database
1174 */
1175 public function post_attachment_comment() {
1176 if ( ! headers_sent() ) {
1177 header( 'Content-type: text/javascript' );
1178 }
1179
1180 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
1181 die( wp_json_encode( array( 'error' => __( 'Nonce verification failed.', 'jetpack' ) ) ) );
1182 }
1183
1184 $_blog_id = isset( $_POST['blog_id'] ) ? (int) $_POST['blog_id'] : 0;
1185 $_post_id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
1186 $comment = isset( $_POST['comment'] ) ? filter_var( wp_unslash( $_POST['comment'] ) ) : null;
1187
1188 if ( empty( $_blog_id ) ) {
1189 die( wp_json_encode( array( 'error' => __( 'Missing target blog ID.', 'jetpack' ) ) ) );
1190 }
1191
1192 if ( empty( $_post_id ) ) {
1193 die( wp_json_encode( array( 'error' => __( 'Missing target post ID.', 'jetpack' ) ) ) );
1194 }
1195
1196 if ( empty( $comment ) ) {
1197 die( wp_json_encode( array( 'error' => __( 'No comment text was submitted.', 'jetpack' ) ) ) );
1198 }
1199
1200 // Used in context like NewDash.
1201 $switched = false;
1202 if ( is_multisite() && get_current_blog_id() !== $_blog_id ) {
1203 switch_to_blog( $_blog_id );
1204 $switched = true;
1205 }
1206
1207 /** This action is documented in modules/carousel/jetpack-carousel.php */
1208 do_action( 'jp_carousel_check_blog_user_privileges' );
1209
1210 if ( ! comments_open( $_post_id ) ) {
1211 if ( $switched ) {
1212 restore_current_blog();
1213 }
1214 die( wp_json_encode( array( 'error' => __( 'Comments on this post are closed.', 'jetpack' ) ) ) );
1215 }
1216
1217 if ( is_user_logged_in() ) {
1218 $user = wp_get_current_user();
1219 $user_id = $user->ID;
1220 $display_name = $user->display_name;
1221 $email = $user->user_email;
1222 $url = $user->user_url;
1223
1224 if ( empty( $user_id ) ) {
1225 if ( $switched ) {
1226 restore_current_blog();
1227 }
1228 die( wp_json_encode( array( 'error' => __( 'Sorry, but we could not authenticate your request.', 'jetpack' ) ) ) );
1229 }
1230 } else {
1231 $user_id = 0;
1232 $display_name = isset( $_POST['author'] ) ? sanitize_text_field( wp_unslash( $_POST['author'] ) ) : null;
1233 $email = isset( $_POST['email'] ) ? wp_unslash( $_POST['email'] ) : null; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Checked or sanitized below.
1234 $url = isset( $_POST['url'] ) ? esc_url_raw( wp_unslash( $_POST['url'] ) ) : null;
1235
1236 if ( get_option( 'require_name_email' ) ) {
1237 if ( empty( $display_name ) ) {
1238 if ( $switched ) {
1239 restore_current_blog();
1240 }
1241 die( wp_json_encode( array( 'error' => __( 'Please provide your name.', 'jetpack' ) ) ) );
1242 }
1243
1244 if ( empty( $email ) ) {
1245 if ( $switched ) {
1246 restore_current_blog();
1247 }
1248 die( wp_json_encode( array( 'error' => __( 'Please provide an email address.', 'jetpack' ) ) ) );
1249 }
1250
1251 if ( ! is_email( $email ) ) {
1252 if ( $switched ) {
1253 restore_current_blog();
1254 }
1255 die( wp_json_encode( array( 'error' => __( 'Please provide a valid email address.', 'jetpack' ) ) ) );
1256 }
1257 } else {
1258 $email = $email !== null ? sanitize_email( $email ) : null;
1259 }
1260 }
1261
1262 $comment_data = array(
1263 'comment_content' => $comment,
1264 'comment_post_ID' => $_post_id,
1265 'comment_author' => $display_name,
1266 'comment_author_email' => $email,
1267 'comment_author_url' => $url,
1268 'comment_approved' => 0,
1269 'comment_type' => 'comment',
1270 );
1271
1272 if ( ! empty( $user_id ) ) {
1273 $comment_data['user_id'] = $user_id;
1274 }
1275
1276 // Note: wp_new_comment() sanitizes and validates the values (too).
1277 $comment_id = wp_new_comment( $comment_data );
1278
1279 /**
1280 * Fires before adding a new comment to the database via the get_attachment_comments ajax endpoint.
1281 *
1282 * @module carousel
1283 *
1284 * @since 1.6.0
1285 */
1286 do_action( 'jp_carousel_post_attachment_comment' );
1287 $comment_status = wp_get_comment_status( $comment_id );
1288
1289 if ( $switched ) {
1290 restore_current_blog();
1291 }
1292
1293 die(
1294 wp_json_encode(
1295 array(
1296 'comment_id' => $comment_id,
1297 'comment_status' => $comment_status,
1298 )
1299 )
1300 );
1301 }
1302
1303 /**
1304 * Register Carousel settings
1305 */
1306 public function register_settings() {
1307 add_settings_section( 'carousel_section', __( 'Image Gallery Carousel', 'jetpack' ), array( $this, 'carousel_section_callback' ), 'media' );
1308
1309 if ( ! $this->in_jetpack ) {
1310 add_settings_field( 'carousel_enable_it', __( 'Enable carousel', 'jetpack' ), array( $this, 'carousel_enable_it_callback' ), 'media', 'carousel_section' );
1311 register_setting( 'media', 'carousel_enable_it', array( $this, 'carousel_enable_it_sanitize' ) );
1312 }
1313
1314 add_settings_field( 'carousel_background_color', __( 'Background color', 'jetpack' ), array( $this, 'carousel_background_color_callback' ), 'media', 'carousel_section' );
1315 register_setting( 'media', 'carousel_background_color', array( $this, 'carousel_background_color_sanitize' ) );
1316
1317 add_settings_field( 'carousel_display_exif', __( 'Metadata', 'jetpack' ), array( $this, 'carousel_display_exif_callback' ), 'media', 'carousel_section' );
1318 register_setting( 'media', 'carousel_display_exif', array( $this, 'carousel_display_exif_sanitize' ) );
1319
1320 add_settings_field( 'carousel_display_comments', __( 'Comments', 'jetpack' ), array( $this, 'carousel_display_comments_callback' ), 'media', 'carousel_section' );
1321 register_setting( 'media', 'carousel_display_comments', array( $this, 'carousel_display_comments_sanitize' ) );
1322 }
1323
1324 /**
1325 * Fulfill the settings section callback requirement by returning nothing.
1326 */
1327 public function carousel_section_callback() {
1328 }
1329
1330 /**
1331 * Tests if a value is set
1332 *
1333 * @param mixed $value The value passed into this function with which to test.
1334 * @param bool $default_to_1 Default is true.
1335 *
1336 * @return bool
1337 */
1338 public function test_1or0_option( $value, $default_to_1 = true ) {
1339 if ( $default_to_1 ) {
1340 // Boolean false (===) of $value means it has not yet been set, in which case we do want to default to 1.
1341 if ( false === $value ) {
1342 $value = 1;
1343 }
1344 }
1345 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1346 }
1347
1348 /**
1349 * Ensures the value returned is in the correct format.
1350 *
1351 * @see test_1or0_option()
1352 * @param mixed $value The value returned from the test_1or0_option function.
1353 *
1354 * @return int
1355 */
1356 public function sanitize_1or0_option( $value ) {
1357 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1358 }
1359
1360 /**
1361 * Outputs a settings checkbox.
1362 *
1363 * @param string $name - For name attribute.
1364 * @param string $label_text - For label attribute.
1365 * @param string $extra_text - Additional checkbox description text. Defaults to empty.
1366 * @param bool $default_to_checked - If the checkbox is checked. Default is true.
1367 */
1368 public function settings_checkbox( $name, $label_text, $extra_text = '', $default_to_checked = true ) {
1369 if ( empty( $name ) ) {
1370 return;
1371 }
1372 $option = $this->test_1or0_option( get_option( $name ), $default_to_checked );
1373 echo '<fieldset>';
1374 echo '<input type="checkbox" name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '" value="1" ';
1375 checked( '1', $option );
1376 echo '/> <label for="' . esc_attr( $name ) . '">' . wp_kses_post( $label_text ) . '</label>';
1377 if ( ! empty( $extra_text ) ) {
1378 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1379 }
1380 echo '</fieldset>';
1381 }
1382
1383 /**
1384 * Output a selection list options
1385 *
1386 * @param string $name - For name attribute.
1387 * @param string $values - For the different option values.
1388 * @param string $extra_text - Additional option section description text. Defaults to empty.
1389 */
1390 public function settings_select( $name, $values, $extra_text = '' ) {
1391 if ( empty( $name ) || ! is_array( $values ) || empty( $values ) ) {
1392 return;
1393 }
1394 $option = get_option( $name );
1395 echo '<fieldset>';
1396 echo '<select name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '">';
1397 foreach ( $values as $key => $value ) {
1398 echo '<option value="' . esc_attr( $key ) . '" ';
1399 selected( $key, $option );
1400 echo '>' . esc_html( $value ) . '</option>';
1401 }
1402 echo '</select>';
1403 if ( ! empty( $extra_text ) ) {
1404 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1405 }
1406 echo '</fieldset>';
1407 }
1408
1409 /**
1410 * Callback for checkbox and label of field that allows to toggle exif display.
1411 */
1412 public function carousel_display_exif_callback() {
1413 $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' ) );
1414 }
1415
1416 /**
1417 * Callback for checkbox and label of field that allows to toggle comments.
1418 */
1419 public function carousel_display_comments_callback() {
1420 $this->settings_checkbox( 'carousel_display_comments', esc_html__( 'Show comments area in carousel', 'jetpack' ) );
1421 }
1422
1423 /**
1424 * Sanitize input for the `carousel_display_exif` setting.
1425 *
1426 * @param mixed $value User input setting value.
1427 *
1428 * @return number Sanitized value, only 1 or 0.
1429 */
1430 public function carousel_display_exif_sanitize( $value ) {
1431 return $this->sanitize_1or0_option( $value );
1432 }
1433
1434 /**
1435 * Return sanitized option for value that controls whether comments will be hidden or not.
1436 *
1437 * @param number $value Value to sanitize.
1438 *
1439 * @return number Sanitized value, only 1 or 0.
1440 */
1441 public function carousel_display_comments_sanitize( $value ) {
1442 return $this->sanitize_1or0_option( $value );
1443 }
1444
1445 /**
1446 * Callback for the Carousel background color.
1447 */
1448 public function carousel_background_color_callback() {
1449 $this->settings_select(
1450 'carousel_background_color',
1451 array(
1452 'black' => __( 'Black', 'jetpack' ),
1453 'white' => __( 'White', 'jetpack' ),
1454 )
1455 );
1456 }
1457
1458 /**
1459 * Sanitizing the Carousel backgound color selection.
1460 *
1461 * @param string $value The color string to sanitize.
1462 *
1463 * @return string Sanitized value, 'white' or 'black'.
1464 */
1465 public function carousel_background_color_sanitize( $value ) {
1466 return ( 'white' === $value ) ? 'white' : 'black';
1467 }
1468
1469 /**
1470 * Callback to display text for the carousel_enable_it settings field.
1471 */
1472 public function carousel_enable_it_callback() {
1473 $this->settings_checkbox( 'carousel_enable_it', __( 'Display images in full-size carousel slideshow.', 'jetpack' ) );
1474 }
1475
1476 /**
1477 * Sanitize input for the `carousel_enable_it` setting.
1478 *
1479 * @param mixed $value User input.
1480 *
1481 * @return number Sanitized value, only 1 or 0.
1482 */
1483 public function carousel_enable_it_sanitize( $value ) {
1484 return $this->sanitize_1or0_option( $value );
1485 }
1486 }
1487
1488 new Jetpack_Carousel();
1489