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Jetpack – WP Security, Backup, Speed, & Growth / 12.0.3
Jetpack – WP Security, Backup, Speed, & Growth v12.0.3
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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 3 years ago jetpack-carousel.php 3 years ago readme.md 5 years ago swiper-bundle.css 5 years ago swiper-bundle.js 4 years ago
jetpack-carousel.php
1462 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 if (
127 ! class_exists( 'Jetpack_AMP_Support' )
128 || ! Jetpack_AMP_Support::is_amp_request()
129 ) {
130 add_filter( 'render_block_core/gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
131 add_filter( 'render_block_jetpack/tiled-gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );
132 }
133 }
134
135 if ( $this->in_jetpack ) {
136 Jetpack::enable_module_configurable( dirname( __DIR__ ) . '/carousel.php' );
137 }
138 }
139
140 /**
141 * Returns the value of the applied jp_carousel_maybe_disable filter
142 *
143 * @since 1.6.0
144 *
145 * @return bool - Should Carousel be disabled? Default to false.
146  */
147 public function maybe_disable_jp_carousel() {
148 /**
149 * Allow third-party plugins or themes to disable Carousel.
150 *
151 * @module carousel
152 *
153 * @since 1.6.0
154 *
155 * @param bool false Should Carousel be disabled? Default to false.
156 */
157 return apply_filters( 'jp_carousel_maybe_disable', false );
158 }
159
160 /**
161 * Returns the value of the applied jp_carousel_maybe_disable_single_images filter
162 *
163 * @since 4.5.0
164 *
165 * @return bool - Should Carousel be disabled for single images? Default to false.
166 */
167 public function maybe_disable_jp_carousel_single_images() {
168 /**
169 * Allow third-party plugins or themes to disable Carousel for single images.
170 *
171 * @module carousel
172 *
173 * @since 4.5.0
174 *
175 * @param bool false Should Carousel be disabled for single images? Default to false.
176 */
177 return apply_filters( 'jp_carousel_maybe_disable_single_images', false );
178 }
179
180 /**
181 * Returns the value of the applied jp_carousel_load_for_images_linked_to_file filter
182 *
183 * @since 4.5.0
184 *
185 * @return bool - Should Carousel be enabled for single images linking to 'Media File'? Default to false.
186 */
187 public function maybe_enable_jp_carousel_single_images_media_file() {
188 /**
189 * Allow third-party plugins or themes to enable Carousel
190 * for single images linking to 'Media File' (full size image).
191 *
192 * @module carousel
193 *
194 * @since 4.5.0
195 *
196 * @param bool false Should Carousel be enabled for single images linking to 'Media File'? Default to false.
197 */
198 return apply_filters( 'jp_carousel_load_for_images_linked_to_file', false );
199 }
200
201 /**
202 * Returns the value of the applied jp_carousel_asset_version filter
203 *
204 * @since 1.6.0
205 *
206 * @param string $version Asset version.
207 *
208 * @return string
209 */
210 public function asset_version( $version ) {
211 /**
212 * Filter the version string used when enqueuing Carousel assets.
213 *
214 * @module carousel
215 *
216 * @since 1.6.0
217 *
218 * @param string $version Asset version.
219 */
220 return apply_filters( 'jp_carousel_asset_version', $version );
221 }
222
223 /**
224 * Displays a message on top of gallery if carousel has bailed.
225 *
226 * @param string $output Gallery shortcode output.
227 *
228 * @return string Shortcode output with bail message prepended.
229 */
230 public function display_bail_message( $output = '' ) {
231 $message = '<div class="jp-carousel-msg"><p>';
232 $message .= __( 'Jetpack\'s Carousel has been disabled, because another plugin or your theme is overriding the [gallery] shortcode.', 'jetpack' );
233 $message .= '</p></div>';
234 // put before gallery output.
235 $output = $message . $output;
236 return $output;
237 }
238
239 /**
240 * Determine whether Carousel is enabled, and adjust filters and enqueue assets accordingly.
241 *
242 * If no other filter hook produced output for the gallery shortcode or something returns true for
243 * the `jp_carousel_force_enable` filter, Carousel is enabled and we queue our assets. Otherwise
244 * it's disabled and we remove some of our subsequent filter hooks.
245 *
246 * @since 1.9.0
247 *
248 * @param string $output Gallery shortcode output.
249 *
250 * @return string Gallery shortcode output.
251 */
252 public function check_if_shortcode_processed_and_enqueue_assets( $output ) {
253 if (
254 class_exists( 'Jetpack_AMP_Support' )
255 && Jetpack_AMP_Support::is_amp_request()
256 ) {
257 return $output;
258 }
259
260 if (
261 ! empty( $output ) &&
262 /**
263 * Allow third-party plugins or themes to force-enable Carousel.
264 *
265 * @module carousel
266 *
267 * @since 1.9.0
268 *
269 * @param bool false Should we force enable Carousel? Default to false.
270 */
271 ! apply_filters( 'jp_carousel_force_enable', false )
272 ) {
273 // Bail because someone is overriding the [gallery] shortcode.
274 remove_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
275 remove_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ) );
276 remove_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
277 // Display message that carousel has bailed, if user is super_admin, and if we're not on WordPress.com.
278 if (
279 is_super_admin() &&
280 ! ( defined( 'IS_WPCOM' ) && IS_WPCOM )
281 ) {
282 add_filter( 'post_gallery', array( $this, 'display_bail_message' ) );
283 }
284 return $output;
285 }
286
287 /**
288 * Fires when thumbnails are shown in Carousel.
289 *
290 * @module carousel
291 *
292 * @since 1.6.0
293 */
294 do_action( 'jp_carousel_thumbnails_shown' );
295
296 $this->enqueue_assets();
297
298 return $output;
299 }
300
301 /**
302 * Check if the content of a post uses gallery blocks. To be used by 'the_content' filter.
303 *
304 * @since 6.8.0
305 * @deprecated since 11.3 We now hook into the 'block_render_{block_name}' hook to add markup.
306 *
307 * @param string $content Post content.
308 *
309 * @return string $content Post content.
310 */
311 public function check_content_for_blocks( $content ) {
312 _deprecated_function( __METHOD__, 'jetpack-11.3' );
313
314 if (
315 class_exists( 'Jetpack_AMP_Support' )
316 && Jetpack_AMP_Support::is_amp_request()
317 ) {
318 return $content;
319 }
320
321 if ( has_block( 'gallery', $content ) || has_block( 'jetpack/tiled-gallery', $content ) ) {
322 $this->enqueue_assets();
323 $content = $this->add_data_to_container( $content );
324 }
325
326 return $content;
327 }
328
329 /**
330 * Enrich the gallery block content using the render_block_{$this->name} filter.
331 * This function is triggered after block render to make sure we track galleries within
332 * reusable blocks.
333 *
334 * @see https://developer.wordpress.org/reference/hooks/render_block_this-name/
335 *
336 * @param string $block_content The rendered HTML for the carousel or gallery block.
337 * @param array $block The parsed block details for the block.
338 * @return string The fully-processed HTML for the carousel or gallery block.
339 *
340 * @since 11.3
341 */
342 public function filter_gallery_block_render( $block_content, $block ) {
343 global $post;
344
345 if ( empty( $block['blockName'] ) || ! in_array( $block['blockName'], array( 'core/gallery', 'jetpack/tiled-gallery' ), true ) ) {
346 return $block_content;
347 }
348
349 $this->enqueue_assets();
350
351 if ( ! isset( $post ) ) {
352 return $block_content;
353 }
354
355 $blog_id = (int) get_current_blog_id();
356
357 $extra_data = array(
358 'data-carousel-extra' => array(
359 'blog_id' => $blog_id,
360 'permalink' => get_permalink( $post->ID ),
361 ),
362 );
363
364 /**
365 * Filter the data added to the Gallery container.
366 *
367 * @module carousel
368 *
369 * @since 1.6.0
370 *
371 * @param array $extra_data Array of data about the site and the post.
372 */
373 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
374 $extra_data = (array) $extra_data;
375
376 if ( empty( $extra_data ) ) {
377 return $block_content;
378 }
379
380 $extra_attributes = implode(
381 ' ',
382 array_map(
383 function ( $data_key, $data_values ) {
384 return esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "'";
385 },
386 array_keys( $extra_data ),
387 array_values( $extra_data )
388 )
389 );
390
391 // Add extra attributes to first HTML element (which may have leading whitespace)
392 return preg_replace(
393 '/^(\s*<(div|ul|figure))/',
394 '$1 ' . $extra_attributes . ' ',
395 $block_content,
396 1
397 );
398 }
399
400 /**
401 * Enqueueing Carousel assets.
402 */
403 public function enqueue_assets() {
404 if ( $this->first_run ) {
405 wp_enqueue_script(
406 'jetpack-carousel',
407 Assets::get_file_url_for_environment(
408 '_inc/build/carousel/jetpack-carousel.min.js',
409 'modules/carousel/jetpack-carousel.js'
410 ),
411 array(),
412 $this->asset_version( JETPACK__VERSION ),
413 true
414 );
415
416 $swiper_library_path = array(
417 'url' => Assets::get_file_url_for_environment(
418 '_inc/build/carousel/swiper-bundle.min.js',
419 'modules/carousel/swiper-bundle.js'
420 ),
421 );
422 wp_localize_script( 'jetpack-carousel', 'jetpackSwiperLibraryPath', $swiper_library_path );
423
424 // 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).
425 // Also: not hardcoding path since there is no guarantee site is running on site root in self-hosted context.
426 $is_logged_in = is_user_logged_in();
427 $comment_registration = (int) get_option( 'comment_registration' );
428 $require_name_email = (int) get_option( 'require_name_email' );
429 $localize_strings = array(
430 'widths' => $this->prebuilt_widths,
431 'is_logged_in' => $is_logged_in,
432 'lang' => strtolower( substr( get_locale(), 0, 2 ) ),
433 'ajaxurl' => set_url_scheme( admin_url( 'admin-ajax.php' ) ),
434 'nonce' => wp_create_nonce( 'carousel_nonce' ),
435 'display_exif' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_exif', true ) ),
436 'display_comments' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_comments', true ) ),
437 'single_image_gallery' => $this->single_image_gallery_enabled,
438 'single_image_gallery_media_file' => $this->single_image_gallery_enabled_media_file,
439 'background_color' => $this->carousel_background_color_sanitize( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_background_color', '' ) ),
440 'comment' => __( 'Comment', 'jetpack' ),
441 'post_comment' => __( 'Post Comment', 'jetpack' ),
442 'write_comment' => __( 'Write a Comment...', 'jetpack' ),
443 'loading_comments' => __( 'Loading Comments...', 'jetpack' ),
444 'download_original' => sprintf(
445 /* translators: %1s is the full-size image width, and %2s is the height. */
446 __( 'View full size <span class="photo-size">%1$s<span class="photo-size-times">&times;</span>%2$s</span>', 'jetpack' ),
447 '{0}',
448 '{1}'
449 ),
450 'no_comment_text' => __( 'Please be sure to submit some text with your comment.', 'jetpack' ),
451 'no_comment_email' => __( 'Please provide an email address to comment.', 'jetpack' ),
452 'no_comment_author' => __( 'Please provide your name to comment.', 'jetpack' ),
453 'comment_post_error' => __( 'Sorry, but there was an error posting your comment. Please try again later.', 'jetpack' ),
454 'comment_approved' => __( 'Your comment was approved.', 'jetpack' ),
455 'comment_unapproved' => __( 'Your comment is in moderation.', 'jetpack' ),
456 'camera' => __( 'Camera', 'jetpack' ),
457 'aperture' => __( 'Aperture', 'jetpack' ),
458 'shutter_speed' => __( 'Shutter Speed', 'jetpack' ),
459 'focal_length' => __( 'Focal Length', 'jetpack' ),
460 'copyright' => __( 'Copyright', 'jetpack' ),
461 'comment_registration' => $comment_registration,
462 'require_name_email' => $require_name_email,
463 /** This action is documented in core/src/wp-includes/link-template.php */
464 'login_url' => wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ),
465 'blog_id' => (int) get_current_blog_id(),
466 'meta_data' => array( 'camera', 'aperture', 'shutter_speed', 'focal_length', 'copyright' ),
467 );
468
469 /**
470 * Handle WP stats for images in full-screen.
471 * Build string with tracking info.
472 */
473
474 /**
475 * Filter if Jetpack should enable stats collection on carousel views
476 *
477 * @module carousel
478 *
479 * @since 4.3.2
480 *
481 * @param bool Enable Jetpack Carousel stat collection. Default false.
482 */
483 if ( apply_filters( 'jetpack_enable_carousel_stats', false ) && in_array( 'stats', Jetpack::get_active_modules(), true ) && ! ( new Status() )->is_offline_mode() ) {
484 $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;
485
486 // Set the stats as empty if user is logged in but logged-in users shouldn't be tracked.
487 if ( is_user_logged_in() ) {
488 $stats_options = Stats_Options::get_options();
489 $track_loggedin_users = isset( $stats_options['count_roles'] ) ? (bool) $stats_options['count_roles'] : false;
490
491 if ( ! $track_loggedin_users ) {
492 $localize_strings['stats'] = '';
493 }
494 }
495 }
496
497 /**
498 * Filter the strings passed to the Carousel's js file.
499 *
500 * @module carousel
501 *
502 * @since 1.6.0
503 *
504 * @param array $localize_strings Array of strings passed to the Jetpack js file.
505 */
506 $localize_strings = apply_filters( 'jp_carousel_localize_strings', $localize_strings );
507 wp_localize_script( 'jetpack-carousel', 'jetpackCarouselStrings', $localize_strings );
508 wp_enqueue_style(
509 'jetpack-carousel-swiper-css',
510 plugins_url( 'swiper-bundle.css', __FILE__ ),
511 array(),
512 $this->asset_version( JETPACK__VERSION )
513 );
514 wp_enqueue_style( 'jetpack-carousel', plugins_url( 'jetpack-carousel.css', __FILE__ ), array(), $this->asset_version( JETPACK__VERSION ) );
515 wp_style_add_data( 'jetpack-carousel', 'rtl', 'replace' );
516
517 /**
518 * Fires after carousel assets are enqueued for the first time.
519 * Allows for adding additional assets to the carousel page.
520 *
521 * @module carousel
522 *
523 * @since 1.6.0
524 *
525 * @param bool $first_run First load if Carousel on the page.
526 * @param array $localized_strings Array of strings passed to the Jetpack js file.
527 */
528 do_action( 'jp_carousel_enqueue_assets', $this->first_run, $localize_strings );
529
530 // Add the carousel skeleton to the page.
531 $this->localize_strings = $localize_strings;
532 add_action( 'wp_footer', array( $this, 'add_carousel_skeleton' ) );
533
534 $this->first_run = false;
535 }
536 }
537
538 /**
539 * Generate the HTML skeleton that will be picked up by the Carousel JS and used for showing the carousel.
540 */
541 public function add_carousel_skeleton() {
542 $localize_strings = $this->localize_strings;
543 $is_light = ( 'white' === $localize_strings['background_color'] );
544 // Determine whether to fall back to standard local comments.
545 $use_local_comments = ! isset( $localize_strings['jetpack_comments_iframe_src'] ) || empty( $localize_strings['jetpack_comments_iframe_src'] );
546 $current_user = wp_get_current_user();
547 $require_name_email = (int) get_option( 'require_name_email' );
548 /* translators: %s is replaced with a field name in the form, e.g. "Email" */
549 $required = ( $require_name_email ) ? __( '%s (Required)', 'jetpack' ) : '%s';
550 ?>
551 <div id="jp-carousel-loading-overlay">
552 <div id="jp-carousel-loading-wrapper">
553 <span id="jp-carousel-library-loading">&nbsp;</span>
554 </div>
555 </div>
556 <div class="jp-carousel-overlay<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>" style="display: none;">
557
558 <div class="jp-carousel-container<?php echo( $is_light ? ' jp-carousel-light' : '' ); ?>">
559 <!-- The Carousel Swiper -->
560 <div
561 class="jp-carousel-wrap swiper-container jp-carousel-swiper-container jp-carousel-transitions"
562 itemscope
563 itemtype="https://schema.org/ImageGallery">
564 <div class="jp-carousel swiper-wrapper"></div>
565 <div class="jp-swiper-button-prev swiper-button-prev">
566 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
567 <mask id="maskPrev" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="9" height="12">
568 <path d="M16.2072 16.59L11.6496 12L16.2072 7.41L14.8041 6L8.8335 12L14.8041 18L16.2072 16.59Z" fill="white"/>
569 </mask>
570 <g mask="url(#maskPrev)">
571 <rect x="0.579102" width="23.8823" height="24" fill="#FFFFFF"/>
572 </g>
573 </svg>
574 </div>
575 <div class="jp-swiper-button-next swiper-button-next">
576 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
577 <mask id="maskNext" mask-type="alpha" maskUnits="userSpaceOnUse" x="8" y="6" width="8" height="12">
578 <path d="M8.59814 16.59L13.1557 12L8.59814 7.41L10.0012 6L15.9718 12L10.0012 18L8.59814 16.59Z" fill="white"/>
579 </mask>
580 <g mask="url(#maskNext)">
581 <rect x="0.34375" width="23.8822" height="24" fill="#FFFFFF"/>
582 </g>
583 </svg>
584 </div>
585 </div>
586 <!-- The main close buton -->
587 <div class="jp-carousel-close-hint">
588 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
589 <mask id="maskClose" mask-type="alpha" maskUnits="userSpaceOnUse" x="5" y="5" width="15" height="14">
590 <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"/>
591 </mask>
592 <g mask="url(#maskClose)">
593 <rect x="0.409668" width="23.8823" height="24" fill="#FFFFFF"/>
594 </g>
595 </svg>
596 </div>
597 <!-- Image info, comments and meta -->
598 <div class="jp-carousel-info">
599 <div class="jp-carousel-info-footer">
600 <div class="jp-carousel-pagination-container">
601 <div class="jp-swiper-pagination swiper-pagination"></div>
602 <div class="jp-carousel-pagination"></div>
603 </div>
604 <div class="jp-carousel-photo-title-container">
605 <h2 class="jp-carousel-photo-caption"></h2>
606 </div>
607 <div class="jp-carousel-photo-icons-container">
608 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-info" aria-label="<?php esc_attr_e( 'Toggle photo metadata visibility', 'jetpack' ); ?>">
609 <span class="jp-carousel-icon">
610 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
611 <mask id="maskInfo" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
612 <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"/>
613 </mask>
614 <g mask="url(#maskInfo)">
615 <rect x="0.8125" width="23.8823" height="24" fill="#FFFFFF"/>
616 </g>
617 </svg>
618 </span>
619 </a>
620 <?php if ( $localize_strings['display_comments'] ) : ?>
621 <a href="#" class="jp-carousel-icon-btn jp-carousel-icon-comments" aria-label="<?php esc_attr_e( 'Toggle photo comments visibility', 'jetpack' ); ?>">
622 <span class="jp-carousel-icon">
623 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
624 <mask id="maskComments" mask-type="alpha" maskUnits="userSpaceOnUse" x="2" y="2" width="21" height="20">
625 <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"/>
626 </mask>
627 <g mask="url(#maskComments)">
628 <rect x="0.34668" width="23.8823" height="24" fill="#FFFFFF"/>
629 </g>
630 </svg>
631
632 <span class="jp-carousel-has-comments-indicator" aria-label="<?php esc_attr_e( 'This image has comments.', 'jetpack' ); ?>"></span>
633 </span>
634 </a>
635 <?php endif; ?>
636 </div>
637 </div>
638 <div class="jp-carousel-info-extra">
639 <div class="jp-carousel-info-content-wrapper">
640 <div class="jp-carousel-photo-title-container">
641 <h2 class="jp-carousel-photo-title"></h2>
642 </div>
643 <div class="jp-carousel-comments-wrapper">
644 <?php if ( $localize_strings['display_comments'] ) : ?>
645 <div id="jp-carousel-comments-loading">
646 <span><?php echo esc_html( $localize_strings['loading_comments'] ); ?></span>
647 </div>
648 <div class="jp-carousel-comments"></div>
649 <div id="jp-carousel-comment-form-container">
650 <span id="jp-carousel-comment-form-spinner">&nbsp;</span>
651 <div id="jp-carousel-comment-post-results"></div>
652 <?php if ( $use_local_comments ) : ?>
653 <?php if ( ! $localize_strings['is_logged_in'] && $localize_strings['comment_registration'] ) : ?>
654 <div id="jp-carousel-comment-form-commenting-as">
655 <p id="jp-carousel-commenting-as">
656 <?php
657 echo wp_kses(
658 __( 'You must be <a href="#" class="jp-carousel-comment-login">logged in</a> to post a comment.', 'jetpack' ),
659 array(
660 'a' => array(
661 'href' => array(),
662 'class' => array(),
663 ),
664 )
665 );
666 ?>
667 </p>
668 </div>
669 <?php else : ?>
670 <form id="jp-carousel-comment-form">
671 <label for="jp-carousel-comment-form-comment-field" class="screen-reader-text"><?php echo esc_attr( $localize_strings['write_comment'] ); ?></label>
672 <textarea
673 name="comment"
674 class="jp-carousel-comment-form-field jp-carousel-comment-form-textarea"
675 id="jp-carousel-comment-form-comment-field"
676 placeholder="<?php echo esc_attr( $localize_strings['write_comment'] ); ?>"
677 ></textarea>
678 <div id="jp-carousel-comment-form-submit-and-info-wrapper">
679 <div id="jp-carousel-comment-form-commenting-as">
680 <?php if ( $localize_strings['is_logged_in'] ) : ?>
681 <p id="jp-carousel-commenting-as">
682 <?php
683 printf(
684 /* translators: %s is replaced with the user's display name */
685 esc_html__( 'Commenting as %s', 'jetpack' ),
686 esc_html( $current_user->data->display_name )
687 );
688 ?>
689 </p>
690 <?php else : ?>
691 <fieldset>
692 <label for="jp-carousel-comment-form-email-field"><?php echo esc_html( sprintf( $required, __( 'Email', 'jetpack' ) ) ); ?></label>
693 <input type="text" name="email" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-email-field" />
694 </fieldset>
695 <fieldset>
696 <label for="jp-carousel-comment-form-author-field"><?php echo esc_html( sprintf( $required, __( 'Name', 'jetpack' ) ) ); ?></label>
697 <input type="text" name="author" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-author-field" />
698 </fieldset>
699 <fieldset>
700 <label for="jp-carousel-comment-form-url-field"><?php esc_html_e( 'Website', 'jetpack' ); ?></label>
701 <input type="text" name="url" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-url-field" />
702 </fieldset>
703 <?php endif ?>
704 </div>
705 <input
706 type="submit"
707 name="submit"
708 class="jp-carousel-comment-form-button"
709 id="jp-carousel-comment-form-button-submit"
710 value="<?php echo esc_attr( $localize_strings['post_comment'] ); ?>" />
711 </div>
712 </form>
713 <?php endif ?>
714 <?php endif ?>
715 </div>
716 <?php endif ?>
717 </div>
718 <div class="jp-carousel-image-meta">
719 <div class="jp-carousel-title-and-caption">
720 <div class="jp-carousel-photo-info">
721 <h3 class="jp-carousel-caption" itemprop="caption description"></h3>
722 </div>
723
724 <div class="jp-carousel-photo-description"></div>
725 </div>
726 <ul class="jp-carousel-image-exif" style="display: none;"></ul>
727 <a class="jp-carousel-image-download" target="_blank" style="display: none;">
728 <svg width="25" height="24" viewBox="0 0 25 24" fill="none" xmlns="http://www.w3.org/2000/svg">
729 <mask id="mask0" mask-type="alpha" maskUnits="userSpaceOnUse" x="3" y="3" width="19" height="18">
730 <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"/>
731 </mask>
732 <g mask="url(#mask0)">
733 <rect x="0.870605" width="23.8823" height="24" fill="#FFFFFF"/>
734 </g>
735 </svg>
736 <span class="jp-carousel-download-text"></span>
737 </a>
738 <div class="jp-carousel-image-map" style="display: none;"></div>
739 </div>
740 </div>
741 </div>
742 </div>
743 </div>
744
745 </div>
746 <?php
747 }
748
749 /**
750 * Sets the "in_gallery" flag when the first gallery is encountered (unless in AMP mode).
751 *
752 * @deprecated since 10.8
753 *
754 * @param string $output Gallery shortcode output. Passed through unchanged.
755 *
756 * @return string
757 */
758 public function set_in_gallery( $output ) {
759 if (
760 class_exists( 'Jetpack_AMP_Support' )
761 && Jetpack_AMP_Support::is_amp_request()
762 ) {
763 return $output;
764 }
765 $this->in_gallery = true;
766 return $output;
767 }
768
769 /**
770 * Adds data-* attributes required by carousel to img tags in post HTML
771 * content. To be used by 'the_content' filter.
772 *
773 * @see add_data_to_images()
774 * @see wp_make_content_images_responsive() in wp-includes/media.php
775 *
776 * @param string $content HTML content of the post.
777 * @return string
778 */
779 public function add_data_img_tags_and_enqueue_assets( $content ) {
780 if (
781 class_exists( 'Jetpack_AMP_Support' )
782 && Jetpack_AMP_Support::is_amp_request()
783 ) {
784 return $this->maybe_add_amp_lightbox( $content );
785 }
786
787 if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
788 return $content;
789 }
790 $selected_images = array();
791 foreach ( $matches[0] as $image_html ) {
792 if ( preg_match( '/(wp-image-|data-id=)\"?([0-9]+)\"?/i', $image_html, $class_id ) &&
793 ! preg_match( '/wp-block-jetpack-slideshow_image/', $image_html ) ) {
794 $attachment_id = absint( $class_id[2] );
795 /**
796 * The same image tag may be used more than once but with different attribs,
797 * so save each of them against the attachment id.
798 */
799 if ( ! isset( $selected_images[ $attachment_id ] ) || ! in_array( $image_html, $selected_images[ $attachment_id ], true ) ) {
800 $selected_images[ $attachment_id ][] = $image_html;
801 }
802 }
803 }
804
805 $find = array();
806 $replace = array();
807 if ( empty( $selected_images ) ) {
808 return $content;
809 }
810
811 $attachments = get_posts(
812 array(
813 'include' => array_keys( $selected_images ),
814 'post_type' => 'any',
815 'post_status' => 'any',
816 'suppress_filters' => false,
817 )
818 );
819
820 foreach ( $attachments as $attachment ) {
821 /*
822 * If the item from get_posts isn't an attachment, skip. This can occur when copy-pasta from another WP site.
823 * 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" />"
824 * then, we're going to look up post 7 below, which making sure it is an attachment.
825 *
826 * This is meant as a relatively quick fix, as a better fix is likely to update the get_posts call above to only
827 * include attachments.
828 */
829 if ( ! isset( $attachment->ID ) || ! wp_attachment_is_image( $attachment->ID ) ) {
830 continue;
831 }
832 $image_elements = $selected_images[ $attachment->ID ];
833
834 if ( ! is_array( $image_elements ) ) {
835 continue;
836 }
837
838 $attributes = $this->add_data_to_images( array(), $attachment );
839 $attributes_html = '';
840 foreach ( $attributes as $k => $v ) {
841 $attributes_html .= esc_attr( $k ) . '="' . esc_attr( $v ) . '" ';
842 }
843 foreach ( $image_elements as $image_html ) {
844 $find[] = $image_html;
845 $replace[] = str_replace( '<img ', "<img $attributes_html", $image_html );
846 }
847 }
848
849 $content = str_replace( $find, $replace, $content );
850 $this->enqueue_assets();
851 return $content;
852 }
853
854 /**
855 * Adds the data attributes themselves to img tags.
856 *
857 * @see add_data_img_tags_and_enqueue_assets()
858 * @see https://developer.wordpress.org/reference/functions/wp_get_attachment_image/ Documentation about wp_get_attachment_image
859 *
860 * @param string[] $attr Array of attribute values for the image markup, keyed by attribute name.
861 * @param WP_Post $attachment Image attachment post.
862 *
863 * @return string[] Modified image attributes.
864 */
865 public function add_data_to_images( $attr, $attachment = null ) {
866 if (
867 class_exists( 'Jetpack_AMP_Support' )
868 && Jetpack_AMP_Support::is_amp_request()
869 ) {
870 return $attr;
871 }
872
873 $attachment_id = (int) $attachment->ID;
874 if ( ! wp_attachment_is_image( $attachment_id ) ) {
875 return $attr;
876 }
877
878 $orig_file = wp_get_attachment_image_src( $attachment_id, 'full' );
879 $orig_file = isset( $orig_file[0] ) ? $orig_file[0] : wp_get_attachment_url( $attachment_id );
880 $meta = wp_get_attachment_metadata( $attachment_id );
881 $size = isset( $meta['width'] ) ? (int) $meta['width'] . ',' . (int) $meta['height'] : '';
882 $img_meta = ( ! empty( $meta['image_meta'] ) ) ? (array) $meta['image_meta'] : array();
883 $comments_opened = (int) comments_open( $attachment_id );
884
885 /**
886 * Note: Cannot generate a filename from the width and height wp_get_attachment_image_src() returns because
887 * it takes the $content_width global variable themes can set in consideration, therefore returning sizes
888 * which when used to generate a filename will likely result in a 404 on the image.
889 * $content_width has no filter we could temporarily de-register, run wp_get_attachment_image_src(), then
890 * re-register. So using returned file URL instead, which we can define the sizes from through filename
891 * parsing in the JS, as this is a failsafe file reference.
892 *
893 * EG with Twenty Eleven activated:
894 * 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) }
895 *
896 * EG with Twenty Ten activated:
897 * 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) }
898 */
899
900 $medium_file_info = wp_get_attachment_image_src( $attachment_id, 'medium' );
901 $medium_file = isset( $medium_file_info[0] ) ? $medium_file_info[0] : '';
902
903 $large_file_info = wp_get_attachment_image_src( $attachment_id, 'large' );
904 $large_file = isset( $large_file_info[0] ) ? $large_file_info[0] : '';
905
906 $attachment = get_post( $attachment_id );
907 $attachment_title = ! empty( $attachment ) ? wptexturize( $attachment->post_title ) : '';
908 $attachment_desc = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_content ) ) : '';
909 $attachment_caption = ! empty( $attachment ) ? wpautop( wptexturize( $attachment->post_excerpt ) ) : '';
910
911 // See https://github.com/Automattic/jetpack/issues/2765.
912 if ( isset( $img_meta['keywords'] ) ) {
913 unset( $img_meta['keywords'] );
914 }
915
916 $img_meta = wp_json_encode( array_map( 'strval', array_filter( $img_meta, 'is_scalar' ) ) );
917
918 $attr['data-attachment-id'] = $attachment_id;
919 $attr['data-permalink'] = esc_attr( get_permalink( $attachment_id ) );
920 $attr['data-orig-file'] = esc_attr( $orig_file );
921 $attr['data-orig-size'] = $size;
922 $attr['data-comments-opened'] = $comments_opened;
923 $attr['data-image-meta'] = esc_attr( $img_meta );
924 // 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.
925 $attr['data-image-title'] = esc_attr( htmlspecialchars( $attachment_title, ENT_COMPAT ) );
926 $attr['data-image-description'] = esc_attr( htmlspecialchars( $attachment_desc, ENT_COMPAT ) );
927 $attr['data-image-caption'] = esc_attr( htmlspecialchars( $attachment_caption, ENT_COMPAT ) );
928 $attr['data-medium-file'] = esc_attr( $medium_file );
929 $attr['data-large-file'] = esc_attr( $large_file );
930
931 return $attr;
932 }
933
934 /**
935 * Add additional attributes to the Gallery container HTML.
936 *
937 * @param string $html The HTML to which the additional attributes are added.
938 *
939 * @return string
940 */
941 public function add_data_to_container( $html ) {
942 global $post;
943 if (
944 class_exists( 'Jetpack_AMP_Support' )
945 && Jetpack_AMP_Support::is_amp_request()
946 ) {
947 return $html;
948 }
949
950 if ( isset( $post ) ) {
951 $blog_id = (int) get_current_blog_id();
952
953 $extra_data = array(
954 'data-carousel-extra' => array(
955 'blog_id' => $blog_id,
956 'permalink' => get_permalink( $post->ID ),
957 ),
958 );
959
960 /**
961 * Filter the data added to the Gallery container.
962 *
963 * @module carousel
964 *
965 * @since 1.6.0
966 *
967 * @param array $extra_data Array of data about the site and the post.
968 */
969 $extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
970 foreach ( (array) $extra_data as $data_key => $data_values ) {
971 $html = str_replace( '<div ', '<div ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' ", $html );
972 $html = str_replace( '<ul class="wp-block-gallery', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"wp-block-gallery", $html );
973 $html = str_replace( '<ul class="blocks-gallery-grid', '<ul ' . esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "' class=\"blocks-gallery-grid", $html );
974 $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 );
975 }
976 }
977
978 return $html;
979 }
980
981 /**
982 * Conditionally adds amp-lightbox to galleries and images.
983 *
984 * This applies to gallery blocks and shortcodes,
985 * in addition to images that are wrapped in a link to the page.
986 * Images wrapped in a link to the media file shouldn't get an amp-lightbox.
987 *
988 * @param string $content The content to possibly add amp-lightbox to.
989 * @return string The content, with amp-lightbox possibly added.
990 */
991 public function maybe_add_amp_lightbox( $content ) {
992 $content = preg_replace(
993 array(
994 '#(<figure)[^>]*(?=class=(["\']?)[^>]*wp-block-gallery[^>]*\2)#is', // Gallery block.
995 '#(\[gallery)(?=\s+)#', // Gallery shortcode.
996 ),
997 array(
998 '\1 data-amp-lightbox="true" ', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/sanitizers/class-amp-gallery-block-sanitizer.php#L84.
999 '\1 amp-lightbox="true"', // https://github.com/ampproject/amp-wp/blob/1094ea03bd5dc92889405a47a8c41de1a88908de/includes/embeds/class-amp-gallery-embed.php#L64.
1000 ),
1001 $content
1002 );
1003
1004 return preg_replace_callback(
1005 '#(<a[^>]* href=(["\']?)(\S+)\2>)\s*(<img[^>]*)(class=(["\']?)[^>]*wp-image-[0-9]+[^>]*\6.*>)\s*</a>#is',
1006 static function ( $matches ) {
1007 if ( ! preg_match( '#\.\w+$#', $matches[3] ) ) {
1008 // 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.
1009 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.
1010 }
1011
1012 return $matches[0];
1013 },
1014 $content
1015 );
1016 }
1017
1018 /**
1019 * Retrieves comment information
1020 *
1021 * @return string
1022 */
1023 public function get_attachment_comments() {
1024 if ( ! headers_sent() ) {
1025 header( 'Content-type: text/javascript' );
1026 }
1027
1028 /**
1029 * Allows for the checking of privileges of the blog user before comments
1030 * are packaged as JSON and sent back from the get_attachment_comments
1031 * AJAX endpoint
1032 *
1033 * @module carousel
1034 *
1035 * @since 1.6.0
1036 */
1037 do_action( 'jp_carousel_check_blog_user_privileges' );
1038
1039 // 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).
1040 $attachment_id = ( isset( $_REQUEST['id'] ) ) ? (int) $_REQUEST['id'] : 0;
1041 $offset = ( isset( $_REQUEST['offset'] ) ) ? (int) $_REQUEST['offset'] : 0;
1042 // phpcs:enable
1043
1044 if ( ! $attachment_id ) {
1045 wp_send_json_error(
1046 __( 'Missing attachment ID.', 'jetpack' ),
1047 403
1048 );
1049 return;
1050 }
1051
1052 $attachment_post = get_post( $attachment_id );
1053 // If we have no info about that attachment, bail.
1054 if ( ! ( $attachment_post instanceof WP_Post ) ) {
1055 wp_send_json_error(
1056 __( 'Missing attachment info.', 'jetpack' ),
1057 403
1058 );
1059 return;
1060 }
1061
1062 // This AJAX call should only be used to fetch comments of attachments.
1063 if ( 'attachment' !== $attachment_post->post_type ) {
1064 wp_send_json_error(
1065 __( 'You aren’t authorized to do that.', 'jetpack' ),
1066 403
1067 );
1068 return;
1069 }
1070
1071 $parent_post = get_post_parent( $attachment_id );
1072
1073 /*
1074 * If we have no info about that parent post, no extra checks.
1075 * The attachment doesn't have a parent post, so is public.
1076 * If we have a parent post, let's ensure the user has access to it.
1077 */
1078 if ( $parent_post instanceof WP_Post ) {
1079 /*
1080 * Fetch info about user making the request.
1081 * If we have no info, bail.
1082 * Even logged out users should get a WP_User user with id 0.
1083 */
1084 $current_user = wp_get_current_user();
1085 if ( ! ( $current_user instanceof WP_User ) ) {
1086 wp_send_json_error(
1087 __( 'Missing user info.', 'jetpack' ),
1088 403
1089 );
1090 return;
1091 }
1092
1093 /*
1094 * If a post is private / draft
1095 * and the current user doesn't have access to it,
1096 * bail.
1097 */
1098 if (
1099 'publish' !== $parent_post->post_status
1100 && ! current_user_can( 'read_post', $parent_post->ID )
1101 ) {
1102 wp_send_json_error(
1103 __( 'You aren’t authorized to do that.', 'jetpack' ),
1104 403
1105 );
1106 return;
1107 }
1108 }
1109
1110 if ( $offset < 1 ) {
1111 $offset = 0;
1112 }
1113
1114 $comments = get_comments(
1115 array(
1116 'status' => 'approve',
1117 'order' => ( 'asc' === get_option( 'comment_order' ) ) ? 'ASC' : 'DESC',
1118 'number' => 10,
1119 'offset' => $offset,
1120 'post_id' => $attachment_id,
1121 )
1122 );
1123
1124 $out = array();
1125
1126 // Can't just send the results, they contain the commenter's email address.
1127 foreach ( $comments as $comment ) {
1128 $avatar = get_avatar( $comment->comment_author_email, 64 );
1129 if ( ! $avatar ) {
1130 $avatar = '';
1131 }
1132 $out[] = array(
1133 'id' => $comment->comment_ID,
1134 'parent_id' => $comment->comment_parent,
1135 'author_markup' => get_comment_author_link( $comment->comment_ID ),
1136 'gravatar_markup' => $avatar,
1137 'date_gmt' => $comment->comment_date_gmt,
1138 'content' => wpautop( $comment->comment_content ),
1139 );
1140 }
1141
1142 die( wp_json_encode( $out ) );
1143 }
1144
1145 /**
1146 * Adds a new comment to the database
1147 */
1148 public function post_attachment_comment() {
1149 if ( ! headers_sent() ) {
1150 header( 'Content-type: text/javascript' );
1151 }
1152
1153 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
1154 die( wp_json_encode( array( 'error' => __( 'Nonce verification failed.', 'jetpack' ) ) ) );
1155 }
1156
1157 $_blog_id = isset( $_POST['blog_id'] ) ? (int) $_POST['blog_id'] : 0;
1158 $_post_id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
1159 $comment = isset( $_POST['comment'] ) ? filter_var( wp_unslash( $_POST['comment'] ) ) : null;
1160
1161 if ( empty( $_blog_id ) ) {
1162 die( wp_json_encode( array( 'error' => __( 'Missing target blog ID.', 'jetpack' ) ) ) );
1163 }
1164
1165 if ( empty( $_post_id ) ) {
1166 die( wp_json_encode( array( 'error' => __( 'Missing target post ID.', 'jetpack' ) ) ) );
1167 }
1168
1169 if ( empty( $comment ) ) {
1170 die( wp_json_encode( array( 'error' => __( 'No comment text was submitted.', 'jetpack' ) ) ) );
1171 }
1172
1173 // Used in context like NewDash.
1174 $switched = false;
1175 if ( is_multisite() && get_current_blog_id() !== $_blog_id ) {
1176 switch_to_blog( $_blog_id );
1177 $switched = true;
1178 }
1179
1180 /** This action is documented in modules/carousel/jetpack-carousel.php */
1181 do_action( 'jp_carousel_check_blog_user_privileges' );
1182
1183 if ( ! comments_open( $_post_id ) ) {
1184 if ( $switched ) {
1185 restore_current_blog();
1186 }
1187 die( wp_json_encode( array( 'error' => __( 'Comments on this post are closed.', 'jetpack' ) ) ) );
1188 }
1189
1190 if ( is_user_logged_in() ) {
1191 $user = wp_get_current_user();
1192 $user_id = $user->ID;
1193 $display_name = $user->display_name;
1194 $email = $user->user_email;
1195 $url = $user->user_url;
1196
1197 if ( empty( $user_id ) ) {
1198 if ( $switched ) {
1199 restore_current_blog();
1200 }
1201 die( wp_json_encode( array( 'error' => __( 'Sorry, but we could not authenticate your request.', 'jetpack' ) ) ) );
1202 }
1203 } else {
1204 $user_id = 0;
1205 $display_name = isset( $_POST['author'] ) ? sanitize_text_field( wp_unslash( $_POST['author'] ) ) : null;
1206 $email = isset( $_POST['email'] ) ? wp_unslash( $_POST['email'] ) : null; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Checked or sanitized below.
1207 $url = isset( $_POST['url'] ) ? esc_url_raw( wp_unslash( $_POST['url'] ) ) : null;
1208
1209 if ( get_option( 'require_name_email' ) ) {
1210 if ( empty( $display_name ) ) {
1211 if ( $switched ) {
1212 restore_current_blog();
1213 }
1214 die( wp_json_encode( array( 'error' => __( 'Please provide your name.', 'jetpack' ) ) ) );
1215 }
1216
1217 if ( empty( $email ) ) {
1218 if ( $switched ) {
1219 restore_current_blog();
1220 }
1221 die( wp_json_encode( array( 'error' => __( 'Please provide an email address.', 'jetpack' ) ) ) );
1222 }
1223
1224 if ( ! is_email( $email ) ) {
1225 if ( $switched ) {
1226 restore_current_blog();
1227 }
1228 die( wp_json_encode( array( 'error' => __( 'Please provide a valid email address.', 'jetpack' ) ) ) );
1229 }
1230 } else {
1231 $email = $email !== null ? sanitize_email( $email ) : null;
1232 }
1233 }
1234
1235 $comment_data = array(
1236 'comment_content' => $comment,
1237 'comment_post_ID' => $_post_id,
1238 'comment_author' => $display_name,
1239 'comment_author_email' => $email,
1240 'comment_author_url' => $url,
1241 'comment_approved' => 0,
1242 'comment_type' => 'comment',
1243 );
1244
1245 if ( ! empty( $user_id ) ) {
1246 $comment_data['user_id'] = $user_id;
1247 }
1248
1249 // Note: wp_new_comment() sanitizes and validates the values (too).
1250 $comment_id = wp_new_comment( $comment_data );
1251
1252 /**
1253 * Fires before adding a new comment to the database via the get_attachment_comments ajax endpoint.
1254 *
1255 * @module carousel
1256 *
1257 * @since 1.6.0
1258 */
1259 do_action( 'jp_carousel_post_attachment_comment' );
1260 $comment_status = wp_get_comment_status( $comment_id );
1261
1262 if ( $switched ) {
1263 restore_current_blog();
1264 }
1265
1266 die(
1267 wp_json_encode(
1268 array(
1269 'comment_id' => $comment_id,
1270 'comment_status' => $comment_status,
1271 )
1272 )
1273 );
1274 }
1275
1276 /**
1277 * Register Carousel settings
1278 */
1279 public function register_settings() {
1280 add_settings_section( 'carousel_section', __( 'Image Gallery Carousel', 'jetpack' ), array( $this, 'carousel_section_callback' ), 'media' );
1281
1282 if ( ! $this->in_jetpack ) {
1283 add_settings_field( 'carousel_enable_it', __( 'Enable carousel', 'jetpack' ), array( $this, 'carousel_enable_it_callback' ), 'media', 'carousel_section' );
1284 register_setting( 'media', 'carousel_enable_it', array( $this, 'carousel_enable_it_sanitize' ) );
1285 }
1286
1287 add_settings_field( 'carousel_background_color', __( 'Background color', 'jetpack' ), array( $this, 'carousel_background_color_callback' ), 'media', 'carousel_section' );
1288 register_setting( 'media', 'carousel_background_color', array( $this, 'carousel_background_color_sanitize' ) );
1289
1290 add_settings_field( 'carousel_display_exif', __( 'Metadata', 'jetpack' ), array( $this, 'carousel_display_exif_callback' ), 'media', 'carousel_section' );
1291 register_setting( 'media', 'carousel_display_exif', array( $this, 'carousel_display_exif_sanitize' ) );
1292
1293 add_settings_field( 'carousel_display_comments', __( 'Comments', 'jetpack' ), array( $this, 'carousel_display_comments_callback' ), 'media', 'carousel_section' );
1294 register_setting( 'media', 'carousel_display_comments', array( $this, 'carousel_display_comments_sanitize' ) );
1295 }
1296
1297 /**
1298 * Fulfill the settings section callback requirement by returning nothing.
1299 */
1300 public function carousel_section_callback() {
1301 }
1302
1303 /**
1304 * Tests if a value is set
1305 *
1306 * @param mixed $value The value passed into this function with which to test.
1307 * @param bool $default_to_1 Default is true.
1308 *
1309 * @return bool
1310 */
1311 public function test_1or0_option( $value, $default_to_1 = true ) {
1312 if ( $default_to_1 ) {
1313 // Boolean false (===) of $value means it has not yet been set, in which case we do want to default to 1.
1314 if ( false === $value ) {
1315 $value = 1;
1316 }
1317 }
1318 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1319 }
1320
1321 /**
1322 * Ensures the value returned is in the correct format.
1323 *
1324 * @see test_1or0_option()
1325 * @param mixed $value The value returned from the test_1or0_option function.
1326 *
1327 * @return int
1328 */
1329 public function sanitize_1or0_option( $value ) {
1330 return ( 1 == $value ) ? 1 : 0; // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
1331 }
1332
1333 /**
1334 * Outputs a settings checkbox.
1335 *
1336 * @param string $name - For name attribute.
1337 * @param string $label_text - For label attribute.
1338 * @param string $extra_text - Additional checkbox description text. Defaults to empty.
1339 * @param bool $default_to_checked - If the checkbox is checked. Default is true.
1340 */
1341 public function settings_checkbox( $name, $label_text, $extra_text = '', $default_to_checked = true ) {
1342 if ( empty( $name ) ) {
1343 return;
1344 }
1345 $option = $this->test_1or0_option( get_option( $name ), $default_to_checked );
1346 echo '<fieldset>';
1347 echo '<input type="checkbox" name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '" value="1" ';
1348 checked( '1', $option );
1349 echo '/> <label for="' . esc_attr( $name ) . '">' . wp_kses_post( $label_text ) . '</label>';
1350 if ( ! empty( $extra_text ) ) {
1351 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1352 }
1353 echo '</fieldset>';
1354 }
1355
1356 /**
1357 * Output a selection list options
1358 *
1359 * @param string $name - For name attribute.
1360 * @param string $values - For the different option values.
1361 * @param string $extra_text - Additional option section description text. Defaults to empty.
1362 */
1363 public function settings_select( $name, $values, $extra_text = '' ) {
1364 if ( empty( $name ) || ! is_array( $values ) || empty( $values ) ) {
1365 return;
1366 }
1367 $option = get_option( $name );
1368 echo '<fieldset>';
1369 echo '<select name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '">';
1370 foreach ( $values as $key => $value ) {
1371 echo '<option value="' . esc_attr( $key ) . '" ';
1372 selected( $key, $option );
1373 echo '>' . esc_html( $value ) . '</option>';
1374 }
1375 echo '</select>';
1376 if ( ! empty( $extra_text ) ) {
1377 echo '<p class="description">' . wp_kses_post( $extra_text ) . '</p>';
1378 }
1379 echo '</fieldset>';
1380 }
1381
1382 /**
1383 * Callback for checkbox and label of field that allows to toggle exif display.
1384 */
1385 public function carousel_display_exif_callback() {
1386 $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' ) );
1387 }
1388
1389 /**
1390 * Callback for checkbox and label of field that allows to toggle comments.
1391 */
1392 public function carousel_display_comments_callback() {
1393 $this->settings_checkbox( 'carousel_display_comments', esc_html__( 'Show comments area in carousel', 'jetpack' ) );
1394 }
1395
1396 /**
1397 * Sanitize input for the `carousel_display_exif` setting.
1398 *
1399 * @param mixed $value User input setting value.
1400 *
1401 * @return number Sanitized value, only 1 or 0.
1402 */
1403 public function carousel_display_exif_sanitize( $value ) {
1404 return $this->sanitize_1or0_option( $value );
1405 }
1406
1407 /**
1408 * Return sanitized option for value that controls whether comments will be hidden or not.
1409 *
1410 * @param number $value Value to sanitize.
1411 *
1412 * @return number Sanitized value, only 1 or 0.
1413 */
1414 public function carousel_display_comments_sanitize( $value ) {
1415 return $this->sanitize_1or0_option( $value );
1416 }
1417
1418 /**
1419 * Callback for the Carousel background color.
1420 */
1421 public function carousel_background_color_callback() {
1422 $this->settings_select(
1423 'carousel_background_color',
1424 array(
1425 'black' => __( 'Black', 'jetpack' ),
1426 'white' => __( 'White', 'jetpack' ),
1427 )
1428 );
1429 }
1430
1431 /**
1432 * Sanitizing the Carousel backgound color selection.
1433 *
1434 * @param string $value The color string to sanitize.
1435 *
1436 * @return string Sanitized value, 'white' or 'black'.
1437 */
1438 public function carousel_background_color_sanitize( $value ) {
1439 return ( 'white' === $value ) ? 'white' : 'black';
1440 }
1441
1442 /**
1443 * Callback to display text for the carousel_enable_it settings field.
1444 */
1445 public function carousel_enable_it_callback() {
1446 $this->settings_checkbox( 'carousel_enable_it', __( 'Display images in full-size carousel slideshow.', 'jetpack' ) );
1447 }
1448
1449 /**
1450 * Sanitize input for the `carousel_enable_it` setting.
1451 *
1452 * @param mixed $value User input.
1453 *
1454 * @return number Sanitized value, only 1 or 0.
1455 */
1456 public function carousel_enable_it_sanitize( $value ) {
1457 return $this->sanitize_1or0_option( $value );
1458 }
1459 }
1460
1461 new Jetpack_Carousel();
1462