Completed
Push — update/recurring-payments-use-... ( 5d3385...c82a4d )
by
unknown
23:39 queued 16:08
created

Jetpack_Carousel::add_data_to_container()   A

Complexity

Conditions 5
Paths 3

Size

Total Lines 38

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 5
nc 3
nop 1
dl 0
loc 38
rs 9.0008
c 0
b 0
f 0
1
<?php
2
use Automattic\Jetpack\Assets;
3
/*
4
Plugin Name: Jetpack Carousel
5
Plugin URL: https://wordpress.com/
6
Description: Transform your standard image galleries into an immersive full-screen experience.
7
Version: 0.1
8
Author: Automattic
9
10
Released under the GPL v.2 license.
11
12
This program is distributed in the hope that it will be useful,
13
but WITHOUT ANY WARRANTY; without even the implied warranty of
14
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
GNU General Public License for more details.
16
*/
17
class Jetpack_Carousel {
18
19
	public $prebuilt_widths = array( 370, 700, 1000, 1200, 1400, 2000 );
20
21
	public $first_run = true;
22
23
	public $in_gallery = false;
24
25
	public $in_jetpack = true;
26
27
	public $single_image_gallery_enabled = false;
28
29
	public $single_image_gallery_enabled_media_file = false;
30
31
	function __construct() {
32
		add_action( 'init', array( $this, 'init' ) );
33
	}
34
35
	function init() {
36
		if ( $this->maybe_disable_jp_carousel() ) {
37
			return;
38
		}
39
40
		$this->in_jetpack = ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'enable_module_configurable' ) ) ? true : false;
41
42
		$this->single_image_gallery_enabled            = ! $this->maybe_disable_jp_carousel_single_images();
43
		$this->single_image_gallery_enabled_media_file = $this->maybe_enable_jp_carousel_single_images_media_file();
44
45
		if ( is_admin() ) {
46
			// Register the Carousel-related related settings
47
			add_action( 'admin_init', array( $this, 'register_settings' ), 5 );
48
			if ( ! $this->in_jetpack ) {
49
				if ( 0 == $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {
50
					return; // Carousel disabled, abort early, but still register setting so user can switch it back on
51
				}
52
			}
53
			// If in admin, register the ajax endpoints.
54
			add_action( 'wp_ajax_get_attachment_comments', array( $this, 'get_attachment_comments' ) );
55
			add_action( 'wp_ajax_nopriv_get_attachment_comments', array( $this, 'get_attachment_comments' ) );
56
			add_action( 'wp_ajax_post_attachment_comment', array( $this, 'post_attachment_comment' ) );
57
			add_action( 'wp_ajax_nopriv_post_attachment_comment', array( $this, 'post_attachment_comment' ) );
58
		} else {
59
			if ( ! $this->in_jetpack ) {
60
				if ( 0 == $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {
61
					return; // Carousel disabled, abort early
62
				}
63
			}
64
			// If on front-end, do the Carousel thang.
65
			/**
66
			 * Filter the array of default prebuilt widths used in Carousel.
67
			 *
68
			 * @module carousel
69
			 *
70
			 * @since 1.6.0
71
			 *
72
			 * @param array $this->prebuilt_widths Array of default widths.
73
			 */
74
			$this->prebuilt_widths = apply_filters( 'jp_carousel_widths', $this->prebuilt_widths );
75
			// below: load later than other callbacks hooked it (e.g. 3rd party plugins handling gallery shortcode)
76
			add_filter( 'post_gallery', array( $this, 'check_if_shortcode_processed_and_enqueue_assets' ), 1000, 2 );
77
			add_filter( 'post_gallery', array( $this, 'set_in_gallery' ), -1000 );
78
			add_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
79
			add_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ), 10, 2 );
80
			add_filter( 'the_content', array( $this, 'check_content_for_blocks' ), 1 );
81
			add_filter( 'jetpack_tiled_galleries_block_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
82
			if ( $this->single_image_gallery_enabled ) {
83
				add_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
84
			}
85
		}
86
87
		if ( $this->in_jetpack ) {
88
			Jetpack::enable_module_configurable( dirname( dirname( __FILE__ ) ) . '/carousel.php' );
89
		}
90
	}
91
92
	function maybe_disable_jp_carousel() {
93
		/**
94
		 * Allow third-party plugins or themes to disable Carousel.
95
		 *
96
		 * @module carousel
97
		 *
98
		 * @since 1.6.0
99
		 *
100
		 * @param bool false Should Carousel be disabled? Default to false.
101
		 */
102
		return apply_filters( 'jp_carousel_maybe_disable', false );
103
	}
104
105
	function maybe_disable_jp_carousel_single_images() {
106
		/**
107
		 * Allow third-party plugins or themes to disable Carousel for single images.
108
		 *
109
		 * @module carousel
110
		 *
111
		 * @since 4.5.0
112
		 *
113
		 * @param bool false Should Carousel be disabled for single images? Default to false.
114
		 */
115
		return apply_filters( 'jp_carousel_maybe_disable_single_images', false );
116
	}
117
118
	function maybe_enable_jp_carousel_single_images_media_file() {
119
		/**
120
		 * Allow third-party plugins or themes to enable Carousel
121
		 * for single images linking to 'Media File' (full size image).
122
		 *
123
		 * @module carousel
124
		 *
125
		 * @since 4.5.0
126
		 *
127
		 * @param bool false Should Carousel be enabled for single images linking to 'Media File'? Default to false.
128
		 */
129
		return apply_filters( 'jp_carousel_load_for_images_linked_to_file', false );
130
	}
131
132
	function asset_version( $version ) {
133
		/**
134
		 * Filter the version string used when enqueuing Carousel assets.
135
		 *
136
		 * @module carousel
137
		 *
138
		 * @since 1.6.0
139
		 *
140
		 * @param string $version Asset version.
141
		 */
142
		return apply_filters( 'jp_carousel_asset_version', $version );
143
	}
144
145
	function display_bail_message( $output = '' ) {
146
		// Displays a message on top of gallery if carousel has bailed
147
		$message  = '<div class="jp-carousel-msg"><p>';
148
		$message .= __( 'Jetpack\'s Carousel has been disabled, because another plugin or your theme is overriding the [gallery] shortcode.', 'jetpack' );
149
		$message .= '</p></div>';
150
		// put before gallery output
151
		$output = $message . $output;
152
		return $output;
153
	}
154
155
	function check_if_shortcode_processed_and_enqueue_assets( $output ) {
156
		if (
157
			class_exists( 'Jetpack_AMP_Support' )
158
			&& Jetpack_AMP_Support::is_amp_request()
159
		) {
160
			return $output;
161
		}
162
163
		if (
164
			! empty( $output ) &&
165
			/**
166
			 * Allow third-party plugins or themes to force-enable Carousel.
167
			 *
168
			 * @module carousel
169
			 *
170
			 * @since 1.9.0
171
			 *
172
			 * @param bool false Should we force enable Carousel? Default to false.
173
			 */
174
			! apply_filters( 'jp_carousel_force_enable', false )
175
		) {
176
			// Bail because someone is overriding the [gallery] shortcode.
177
			remove_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );
178
			remove_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ) );
179
			remove_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );
180
			// Display message that carousel has bailed, if user is super_admin, and if we're not on WordPress.com.
181
			if (
182
				is_super_admin() &&
183
				! ( defined( 'IS_WPCOM' ) && IS_WPCOM )
184
			) {
185
				add_filter( 'post_gallery', array( $this, 'display_bail_message' ) );
186
			}
187
			return $output;
188
		}
189
190
		/**
191
		 * Fires when thumbnails are shown in Carousel.
192
		 *
193
		 * @module carousel
194
		 *
195
		 * @since 1.6.0
196
		 **/
197
		do_action( 'jp_carousel_thumbnails_shown' );
198
199
		$this->enqueue_assets();
200
201
		return $output;
202
	}
203
204
	/**
205
	 * Check if the content of a post uses gallery blocks. To be used by 'the_content' filter.
206
	 *
207
	 * @since 6.8.0
208
	 *
209
	 * @param string $content Post content.
210
	 *
211
	 * @return string $content Post content.
212
	 */
213
	function check_content_for_blocks( $content ) {
214
		if (
215
			class_exists( 'Jetpack_AMP_Support' )
216
			&& Jetpack_AMP_Support::is_amp_request()
217
		) {
218
			return $content;
219
		}
220
221
		if ( has_block( 'gallery', $content ) || has_block( 'jetpack/tiled-gallery', $content ) ) {
222
			$this->enqueue_assets();
223
			$content = $this->add_data_to_container( $content );
224
		}
225
		return $content;
226
	}
227
228
	function enqueue_assets() {
229
		if ( $this->first_run ) {
230
			wp_enqueue_script(
231
				'jetpack-carousel',
232
				Assets::get_file_url_for_environment(
233
					'_inc/build/carousel/jetpack-carousel.min.js',
234
					'modules/carousel/jetpack-carousel.js'
235
				),
236
				array( 'jquery.spin' ),
237
				$this->asset_version( '20190102' ),
238
				true
239
			);
240
241
			// 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)
242
			// Also: not hardcoding path since there is no guarantee site is running on site root in self-hosted context.
243
			$is_logged_in         = is_user_logged_in();
244
			$current_user         = wp_get_current_user();
245
			$comment_registration = intval( get_option( 'comment_registration' ) );
246
			$require_name_email   = intval( get_option( 'require_name_email' ) );
247
			$localize_strings     = array(
248
				'widths'                          => $this->prebuilt_widths,
249
				'is_logged_in'                    => $is_logged_in,
250
				'lang'                            => strtolower( substr( get_locale(), 0, 2 ) ),
251
				'ajaxurl'                         => set_url_scheme( admin_url( 'admin-ajax.php' ) ),
252
				'nonce'                           => wp_create_nonce( 'carousel_nonce' ),
253
				'display_exif'                    => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_exif', true ) ),
254
				'display_geo'                     => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_geo', true ) ),
255
				'single_image_gallery'            => $this->single_image_gallery_enabled,
256
				'single_image_gallery_media_file' => $this->single_image_gallery_enabled_media_file,
257
				'background_color'                => $this->carousel_background_color_sanitize( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_background_color', '' ) ),
258
				'comment'                         => __( 'Comment', 'jetpack' ),
259
				'post_comment'                    => __( 'Post Comment', 'jetpack' ),
260
				'write_comment'                   => __( 'Write a Comment...', 'jetpack' ),
261
				'loading_comments'                => __( 'Loading Comments...', 'jetpack' ),
262
				'download_original'               => sprintf( __( 'View full size <span class="photo-size">%1$s<span class="photo-size-times">&times;</span>%2$s</span>', 'jetpack' ), '{0}', '{1}' ),
263
				'no_comment_text'                 => __( 'Please be sure to submit some text with your comment.', 'jetpack' ),
264
				'no_comment_email'                => __( 'Please provide an email address to comment.', 'jetpack' ),
265
				'no_comment_author'               => __( 'Please provide your name to comment.', 'jetpack' ),
266
				'comment_post_error'              => __( 'Sorry, but there was an error posting your comment. Please try again later.', 'jetpack' ),
267
				'comment_approved'                => __( 'Your comment was approved.', 'jetpack' ),
268
				'comment_unapproved'              => __( 'Your comment is in moderation.', 'jetpack' ),
269
				'camera'                          => __( 'Camera', 'jetpack' ),
270
				'aperture'                        => __( 'Aperture', 'jetpack' ),
271
				'shutter_speed'                   => __( 'Shutter Speed', 'jetpack' ),
272
				'focal_length'                    => __( 'Focal Length', 'jetpack' ),
273
				'copyright'                       => __( 'Copyright', 'jetpack' ),
274
				'comment_registration'            => $comment_registration,
275
				'require_name_email'              => $require_name_email,
276
				/** This action is documented in core/src/wp-includes/link-template.php */
277
				'login_url'                       => wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ),
278
				'blog_id'                         => (int) get_current_blog_id(),
279
				'meta_data'                       => array( 'camera', 'aperture', 'shutter_speed', 'focal_length', 'copyright' ),
280
			);
281
282
			if ( ! isset( $localize_strings['jetpack_comments_iframe_src'] ) || empty( $localize_strings['jetpack_comments_iframe_src'] ) ) {
283
				// We're not using Comments after all, so fallback to standard local comments.
284
285
				if ( $is_logged_in ) {
286
					$localize_strings['local_comments_commenting_as'] = '<p id="jp-carousel-commenting-as">' . sprintf( __( 'Commenting as %s', 'jetpack' ), $current_user->data->display_name ) . '</p>';
287
				} else {
288
					if ( $comment_registration ) {
289
						$localize_strings['local_comments_commenting_as'] = '<p id="jp-carousel-commenting-as">' . __( 'You must be <a href="#" class="jp-carousel-comment-login">logged in</a> to post a comment.', 'jetpack' ) . '</p>';
290
					} else {
291
						$required = ( $require_name_email ) ? __( '%s (Required)', 'jetpack' ) : '%s';
292
						$localize_strings['local_comments_commenting_as'] = ''
293
							. '<fieldset><label for="email">' . sprintf( $required, __( 'Email', 'jetpack' ) ) . '</label> '
294
							. '<input type="text" name="email" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-email-field" /></fieldset>'
295
							. '<fieldset><label for="author">' . sprintf( $required, __( 'Name', 'jetpack' ) ) . '</label> '
296
							. '<input type="text" name="author" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-author-field" /></fieldset>'
297
							. '<fieldset><label for="url">' . __( 'Website', 'jetpack' ) . '</label> '
298
							. '<input type="text" name="url" class="jp-carousel-comment-form-field jp-carousel-comment-form-text-field" id="jp-carousel-comment-form-url-field" /></fieldset>';
299
					}
300
				}
301
			}
302
303
			/**
304
			 * Handle WP stats for images in full-screen.
305
			 * Build string with tracking info.
306
			 */
307
308
			/**
309
			 * Filter if Jetpack should enable stats collection on carousel views
310
			 *
311
			 * @module carousel
312
			 *
313
			 * @since 4.3.2
314
			 *
315
			 * @param bool Enable Jetpack Carousel stat collection. Default false.
316
			 */
317
			if ( apply_filters( 'jetpack_enable_carousel_stats', false ) && in_array( 'stats', Jetpack::get_active_modules() ) && ! Jetpack::is_development_mode() ) {
318
				$localize_strings['stats'] = 'blog=' . Jetpack_Options::get_option( 'id' ) . '&host=' . parse_url( get_option( 'home' ), PHP_URL_HOST ) . '&v=ext&j=' . JETPACK__API_VERSION . ':' . JETPACK__VERSION;
319
320
				// Set the stats as empty if user is logged in but logged-in users shouldn't be tracked.
321 View Code Duplication
				if ( is_user_logged_in() && function_exists( 'stats_get_options' ) ) {
322
					$stats_options        = stats_get_options();
323
					$track_loggedin_users = isset( $stats_options['reg_users'] ) ? (bool) $stats_options['reg_users'] : false;
324
325
					if ( ! $track_loggedin_users ) {
326
						$localize_strings['stats'] = '';
327
					}
328
				}
329
			}
330
331
			/**
332
			 * Filter the strings passed to the Carousel's js file.
333
			 *
334
			 * @module carousel
335
			 *
336
			 * @since 1.6.0
337
			 *
338
			 * @param array $localize_strings Array of strings passed to the Jetpack js file.
339
			 */
340
			$localize_strings = apply_filters( 'jp_carousel_localize_strings', $localize_strings );
341
			wp_localize_script( 'jetpack-carousel', 'jetpackCarouselStrings', $localize_strings );
342
			wp_enqueue_style( 'jetpack-carousel', plugins_url( 'jetpack-carousel.css', __FILE__ ), array(), $this->asset_version( '20120629' ) );
343
			wp_style_add_data( 'jetpack-carousel', 'rtl', 'replace' );
344
345
			/**
346
			 * Fires after carousel assets are enqueued for the first time.
347
			 * Allows for adding additional assets to the carousel page.
348
			 *
349
			 * @module carousel
350
			 *
351
			 * @since 1.6.0
352
			 *
353
			 * @param bool $first_run First load if Carousel on the page.
354
			 * @param array $localized_strings Array of strings passed to the Jetpack js file.
355
			 */
356
			do_action( 'jp_carousel_enqueue_assets', $this->first_run, $localize_strings );
357
358
			$this->first_run = false;
359
		}
360
	}
361
362
	function set_in_gallery( $output ) {
363
		if (
364
			class_exists( 'Jetpack_AMP_Support' )
365
			&& Jetpack_AMP_Support::is_amp_request()
366
		) {
367
			return $output;
368
		}
369
		$this->in_gallery = true;
370
		return $output;
371
	}
372
373
	/**
374
	 * Adds data-* attributes required by carousel to img tags in post HTML
375
	 * content. To be used by 'the_content' filter.
376
	 *
377
	 * @see add_data_to_images()
378
	 * @see wp_make_content_images_responsive() in wp-includes/media.php
379
	 *
380
	 * @param string $content HTML content of the post
381
	 * @return string Modified HTML content of the post
382
	 */
383
	function add_data_img_tags_and_enqueue_assets( $content ) {
384
		if (
385
			class_exists( 'Jetpack_AMP_Support' )
386
			&& Jetpack_AMP_Support::is_amp_request()
387
		) {
388
			return $content;
389
		}
390
391
		if ( ! preg_match_all( '/<img [^>]+>/', $content, $matches ) ) {
392
			return $content;
393
		}
394
		$selected_images = array();
395
		foreach ( $matches[0] as $image_html ) {
396
			if ( preg_match( '/(wp-image-|data-id=)\"?([0-9]+)\"?/i', $image_html, $class_id ) &&
397
				! preg_match( '/wp-block-jetpack-slideshow_image/', $image_html ) ) {
398
				$attachment_id = absint( $class_id[2] );
399
				/**
400
				 * If exactly the same image tag is used more than once, overwrite it.
401
				 * All identical tags will be replaced later with 'str_replace()'.
402
				 */
403
				$selected_images[ $attachment_id  ] = $image_html;
404
			}
405
		}
406
407
		$find    = array();
408
		$replace = array();
409
		if ( empty( $selected_images ) ) {
410
			return $content;
411
		}
412
413
		$attachments = get_posts(
414
			array(
415
				'include'          => array_keys( $selected_images ),
416
				'post_type'        => 'any',
417
				'post_status'      => 'any',
418
				'suppress_filters' => false,
419
			)
420
		);
421
422
		foreach ( $attachments as $attachment ) {
423
			$image_html = $selected_images[ $attachment->ID ];
424
425
			$attributes      = $this->add_data_to_images( array(), $attachment );
426
			$attributes_html = '';
427
			foreach ( $attributes as $k => $v ) {
428
				$attributes_html .= esc_attr( $k ) . '="' . esc_attr( $v ) . '" ';
429
			}
430
431
			$find[]    = $image_html;
432
			$replace[] = str_replace( '<img ', "<img $attributes_html", $image_html );
433
		}
434
435
		$content = str_replace( $find, $replace, $content );
436
		$this->enqueue_assets();
437
		return $content;
438
	}
439
440
	function add_data_to_images( $attr, $attachment = null ) {
441
		if (
442
			class_exists( 'Jetpack_AMP_Support' )
443
			&& Jetpack_AMP_Support::is_amp_request()
444
		) {
445
			return $attr;
446
		}
447
448
		$attachment_id = intval( $attachment->ID );
449
		if ( ! wp_attachment_is_image( $attachment_id ) ) {
450
			return $attr;
451
		}
452
453
		$orig_file       = wp_get_attachment_image_src( $attachment_id, 'full' );
454
		$orig_file       = isset( $orig_file[0] ) ? $orig_file[0] : wp_get_attachment_url( $attachment_id );
455
		$meta            = wp_get_attachment_metadata( $attachment_id );
456
		$size            = isset( $meta['width'] ) ? intval( $meta['width'] ) . ',' . intval( $meta['height'] ) : '';
457
		$img_meta        = ( ! empty( $meta['image_meta'] ) ) ? (array) $meta['image_meta'] : array();
458
		$comments_opened = intval( comments_open( $attachment_id ) );
459
460
		/**
461
		 * Note: Cannot generate a filename from the width and height wp_get_attachment_image_src() returns because
462
		 * it takes the $content_width global variable themes can set in consideration, therefore returning sizes
463
		 * which when used to generate a filename will likely result in a 404 on the image.
464
		 * $content_width has no filter we could temporarily de-register, run wp_get_attachment_image_src(), then
465
		 * re-register. So using returned file URL instead, which we can define the sizes from through filename
466
		 * parsing in the JS, as this is a failsafe file reference.
467
		 *
468
		 * EG with Twenty Eleven activated:
469
		 * 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) }
470
		 *
471
		 * EG with Twenty Ten activated:
472
		 * 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) }
473
		 */
474
475
		$medium_file_info = wp_get_attachment_image_src( $attachment_id, 'medium' );
476
		$medium_file      = isset( $medium_file_info[0] ) ? $medium_file_info[0] : '';
477
478
		$large_file_info = wp_get_attachment_image_src( $attachment_id, 'large' );
479
		$large_file      = isset( $large_file_info[0] ) ? $large_file_info[0] : '';
480
481
		$attachment       = get_post( $attachment_id );
482
		$attachment_title = wptexturize( $attachment->post_title );
483
		$attachment_desc  = wpautop( wptexturize( $attachment->post_content ) );
484
		// Not yet providing geo-data, need to "fuzzify" for privacy
485 View Code Duplication
		if ( ! empty( $img_meta ) ) {
486
			foreach ( $img_meta as $k => $v ) {
487
				if ( 'latitude' == $k || 'longitude' == $k ) {
488
					unset( $img_meta[ $k ] );
489
				}
490
			}
491
		}
492
493
		// See https://github.com/Automattic/jetpack/issues/2765
494
		if ( isset( $img_meta['keywords'] ) ) {
495
			unset( $img_meta['keywords'] );
496
		}
497
498
		$img_meta = json_encode( array_map( 'strval', array_filter( $img_meta, 'is_scalar' ) ) );
499
500
		$attr['data-attachment-id']     = $attachment_id;
501
		$attr['data-permalink']         = esc_attr( get_permalink( $attachment->ID ) );
502
		$attr['data-orig-file']         = esc_attr( $orig_file );
503
		$attr['data-orig-size']         = $size;
504
		$attr['data-comments-opened']   = $comments_opened;
505
		$attr['data-image-meta']        = esc_attr( $img_meta );
506
		$attr['data-image-title']       = esc_attr( htmlspecialchars( $attachment_title ) );
507
		$attr['data-image-description'] = esc_attr( htmlspecialchars( $attachment_desc ) );
508
		$attr['data-medium-file']       = esc_attr( $medium_file );
509
		$attr['data-large-file']        = esc_attr( $large_file );
510
511
		return $attr;
512
	}
513
514
	function add_data_to_container( $html ) {
515
		global $post;
516
		if (
517
			class_exists( 'Jetpack_AMP_Support' )
518
			&& Jetpack_AMP_Support::is_amp_request()
519
		) {
520
			return $html;
521
		}
522
523
		if ( isset( $post ) ) {
524
			$blog_id = (int) get_current_blog_id();
525
526
			$extra_data = array(
527
				'data-carousel-extra' => array(
528
					'blog_id'   => $blog_id,
529
					'permalink' => get_permalink( $post->ID ),
530
				),
531
			);
532
533
			/**
534
			 * Filter the data added to the Gallery container.
535
			 *
536
			 * @module carousel
537
			 *
538
			 * @since 1.6.0
539
			 *
540
			 * @param array $extra_data Array of data about the site and the post.
541
			 */
542
			$extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );
543
			foreach ( (array) $extra_data as $data_key => $data_values ) {
544
				$html = str_replace( '<div ', '<div ' . esc_attr( $data_key ) . "='" . json_encode( $data_values ) . "' ", $html );
545
				$html = str_replace( '<ul class="wp-block-gallery', '<ul ' . esc_attr( $data_key ) . "='" . json_encode( $data_values ) . "' class=\"wp-block-gallery", $html );
546
				$html = str_replace( '<ul class="blocks-gallery-grid', '<ul ' . esc_attr( $data_key ) . "='" . json_encode( $data_values ) . "' class=\"blocks-gallery-grid", $html );
547
			}
548
		}
549
550
		return $html;
551
	}
552
553
	function get_attachment_comments() {
554
		if ( ! headers_sent() ) {
555
			header( 'Content-type: text/javascript' );
556
		}
557
558
		/**
559
		 * Allows for the checking of privileges of the blog user before comments
560
		 * are packaged as JSON and sent back from the get_attachment_comments
561
		 * AJAX endpoint
562
		 *
563
		 * @module carousel
564
		 *
565
		 * @since 1.6.0
566
		 */
567
		do_action( 'jp_carousel_check_blog_user_privileges' );
568
569
		$attachment_id = ( isset( $_REQUEST['id'] ) ) ? (int) $_REQUEST['id'] : 0;
570
		$offset        = ( isset( $_REQUEST['offset'] ) ) ? (int) $_REQUEST['offset'] : 0;
571
572
		if ( ! $attachment_id ) {
573
			echo json_encode( __( 'Missing attachment ID.', 'jetpack' ) );
574
			die();
575
		}
576
577
		if ( $offset < 1 ) {
578
			$offset = 0;
579
		}
580
581
		$comments = get_comments(
582
			array(
583
				'status'  => 'approve',
584
				'order'   => ( 'asc' == get_option( 'comment_order' ) ) ? 'ASC' : 'DESC',
585
				'number'  => 10,
586
				'offset'  => $offset,
587
				'post_id' => $attachment_id,
588
			)
589
		);
590
591
		$out = array();
592
593
		// Can't just send the results, they contain the commenter's email address.
594
		foreach ( $comments as $comment ) {
595
			$avatar = get_avatar( $comment->comment_author_email, 64 );
596
			if ( ! $avatar ) {
597
				$avatar = '';
598
			}
599
			$out[] = array(
600
				'id'              => $comment->comment_ID,
601
				'parent_id'       => $comment->comment_parent,
602
				'author_markup'   => get_comment_author_link( $comment->comment_ID ),
603
				'gravatar_markup' => $avatar,
604
				'date_gmt'        => $comment->comment_date_gmt,
605
				'content'         => wpautop( $comment->comment_content ),
606
			);
607
		}
608
609
		die( json_encode( $out ) );
610
	}
611
612
	function post_attachment_comment() {
613
		if ( ! headers_sent() ) {
614
			header( 'Content-type: text/javascript' );
615
		}
616
617
		if ( empty( $_POST['nonce'] ) || ! wp_verify_nonce( $_POST['nonce'], 'carousel_nonce' ) ) {
618
			die( json_encode( array( 'error' => __( 'Nonce verification failed.', 'jetpack' ) ) ) );
619
		}
620
621
		$_blog_id = (int) $_POST['blog_id'];
622
		$_post_id = (int) $_POST['id'];
623
		$comment  = $_POST['comment'];
624
625
		if ( empty( $_blog_id ) ) {
626
			die( json_encode( array( 'error' => __( 'Missing target blog ID.', 'jetpack' ) ) ) );
627
		}
628
629
		if ( empty( $_post_id ) ) {
630
			die( json_encode( array( 'error' => __( 'Missing target post ID.', 'jetpack' ) ) ) );
631
		}
632
633
		if ( empty( $comment ) ) {
634
			die( json_encode( array( 'error' => __( 'No comment text was submitted.', 'jetpack' ) ) ) );
635
		}
636
637
		// Used in context like NewDash
638
		$switched = false;
639
		if ( is_multisite() && $_blog_id != get_current_blog_id() ) {
640
			switch_to_blog( $_blog_id );
641
			$switched = true;
642
		}
643
644
		/** This action is documented in modules/carousel/jetpack-carousel.php */
645
		do_action( 'jp_carousel_check_blog_user_privileges' );
646
647
		if ( ! comments_open( $_post_id ) ) {
648
			die( json_encode( array( 'error' => __( 'Comments on this post are closed.', 'jetpack' ) ) ) );
649
		}
650
651
		if ( is_user_logged_in() ) {
652
			$user         = wp_get_current_user();
653
			$user_id      = $user->ID;
654
			$display_name = $user->display_name;
655
			$email        = $user->user_email;
656
			$url          = $user->user_url;
657
658
			if ( empty( $user_id ) ) {
659
				die( json_encode( array( 'error' => __( 'Sorry, but we could not authenticate your request.', 'jetpack' ) ) ) );
660
			}
661
		} else {
662
			$user_id      = 0;
663
			$display_name = $_POST['author'];
664
			$email        = $_POST['email'];
665
			$url          = $_POST['url'];
666
667
			if ( get_option( 'require_name_email' ) ) {
668
				if ( empty( $display_name ) ) {
669
					die( json_encode( array( 'error' => __( 'Please provide your name.', 'jetpack' ) ) ) );
670
				}
671
672
				if ( empty( $email ) ) {
673
					die( json_encode( array( 'error' => __( 'Please provide an email address.', 'jetpack' ) ) ) );
674
				}
675
676
				if ( ! is_email( $email ) ) {
677
					die( json_encode( array( 'error' => __( 'Please provide a valid email address.', 'jetpack' ) ) ) );
678
				}
679
			}
680
		}
681
682
		$comment_data = array(
683
			'comment_content'      => $comment,
684
			'comment_post_ID'      => $_post_id,
685
			'comment_author'       => $display_name,
686
			'comment_author_email' => $email,
687
			'comment_author_url'   => $url,
688
			'comment_approved'     => 0,
689
			'comment_type'         => '',
690
		);
691
692
		if ( ! empty( $user_id ) ) {
693
			$comment_data['user_id'] = $user_id;
694
		}
695
696
		// Note: wp_new_comment() sanitizes and validates the values (too).
697
		$comment_id = wp_new_comment( $comment_data );
698
699
		/**
700
		 * Fires before adding a new comment to the database via the get_attachment_comments ajax endpoint.
701
		 *
702
		 * @module carousel
703
		 *
704
		 * @since 1.6.0
705
		 */
706
		do_action( 'jp_carousel_post_attachment_comment' );
707
		$comment_status = wp_get_comment_status( $comment_id );
708
709
		if ( true == $switched ) {
0 ignored issues
show
Coding Style Best Practice introduced by
It seems like you are loosely comparing two booleans. Considering using the strict comparison === instead.

When comparing two booleans, it is generally considered safer to use the strict comparison operator.

Loading history...
710
			restore_current_blog();
711
		}
712
713
		die(
714
			json_encode(
715
				array(
716
					'comment_id'     => $comment_id,
717
					'comment_status' => $comment_status,
718
				)
719
			)
720
		);
721
	}
722
723
	function register_settings() {
724
		add_settings_section( 'carousel_section', __( 'Image Gallery Carousel', 'jetpack' ), array( $this, 'carousel_section_callback' ), 'media' );
725
726
		if ( ! $this->in_jetpack ) {
727
			add_settings_field( 'carousel_enable_it', __( 'Enable carousel', 'jetpack' ), array( $this, 'carousel_enable_it_callback' ), 'media', 'carousel_section' );
728
			register_setting( 'media', 'carousel_enable_it', array( $this, 'carousel_enable_it_sanitize' ) );
729
		}
730
731
		add_settings_field( 'carousel_background_color', __( 'Background color', 'jetpack' ), array( $this, 'carousel_background_color_callback' ), 'media', 'carousel_section' );
732
		register_setting( 'media', 'carousel_background_color', array( $this, 'carousel_background_color_sanitize' ) );
733
734
		add_settings_field( 'carousel_display_exif', __( 'Metadata', 'jetpack' ), array( $this, 'carousel_display_exif_callback' ), 'media', 'carousel_section' );
735
		register_setting( 'media', 'carousel_display_exif', array( $this, 'carousel_display_exif_sanitize' ) );
736
737
		// No geo setting yet, need to "fuzzify" data first, for privacy
738
		// add_settings_field('carousel_display_geo', __( 'Geolocation', 'jetpack' ), array( $this, 'carousel_display_geo_callback' ), 'media', 'carousel_section' );
739
		// register_setting( 'media', 'carousel_display_geo', array( $this, 'carousel_display_geo_sanitize' ) );
740
	}
741
742
	// Fulfill the settings section callback requirement by returning nothing
743
	function carousel_section_callback() {
744
		return;
745
	}
746
747
	function test_1or0_option( $value, $default_to_1 = true ) {
748
		if ( true == $default_to_1 ) {
0 ignored issues
show
Coding Style Best Practice introduced by
It seems like you are loosely comparing two booleans. Considering using the strict comparison === instead.

When comparing two booleans, it is generally considered safer to use the strict comparison operator.

Loading history...
749
			// Binary false (===) of $value means it has not yet been set, in which case we do want to default sites to 1
750
			if ( false === $value ) {
751
				$value = 1;
752
			}
753
		}
754
		return ( 1 == $value ) ? 1 : 0;
755
	}
756
757
	function sanitize_1or0_option( $value ) {
758
		return ( 1 == $value ) ? 1 : 0;
759
	}
760
761
	function settings_checkbox( $name, $label_text, $extra_text = '', $default_to_checked = true ) {
762
		if ( empty( $name ) ) {
763
			return;
764
		}
765
		$option = $this->test_1or0_option( get_option( $name ), $default_to_checked );
766
		echo '<fieldset>';
767
		echo '<input type="checkbox" name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '" value="1" ';
768
		checked( '1', $option );
769
		echo '/> <label for="' . esc_attr( $name ) . '">' . $label_text . '</label>';
770
		if ( ! empty( $extra_text ) ) {
771
			echo '<p class="description">' . $extra_text . '</p>';
772
		}
773
		echo '</fieldset>';
774
	}
775
776
	function settings_select( $name, $values, $extra_text = '' ) {
777
		if ( empty( $name ) || ! is_array( $values ) || empty( $values ) ) {
778
			return;
779
		}
780
		$option = get_option( $name );
781
		echo '<fieldset>';
782
		echo '<select name="' . esc_attr( $name ) . '" id="' . esc_attr( $name ) . '">';
783
		foreach ( $values as $key => $value ) {
784
			echo '<option value="' . esc_attr( $key ) . '" ';
785
			selected( $key, $option );
786
			echo '>' . esc_html( $value ) . '</option>';
787
		}
788
		echo '</select>';
789
		if ( ! empty( $extra_text ) ) {
790
			echo '<p class="description">' . $extra_text . '</p>';
791
		}
792
		echo '</fieldset>';
793
	}
794
795
	function carousel_display_exif_callback() {
796
		$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' ) );
797
	}
798
799
	function carousel_display_exif_sanitize( $value ) {
800
		return $this->sanitize_1or0_option( $value );
801
	}
802
803
	function carousel_display_geo_callback() {
804
		$this->settings_checkbox( 'carousel_display_geo', __( 'Show map of photo location in carousel, when available.', 'jetpack' ) );
805
	}
806
807
	function carousel_display_geo_sanitize( $value ) {
808
		return $this->sanitize_1or0_option( $value );
809
	}
810
811
	function carousel_background_color_callback() {
812
		$this->settings_select(
813
			'carousel_background_color', array(
814
				'black' => __( 'Black', 'jetpack' ),
815
				'white' => __( 'White', 'jetpack' ),
816
			)
817
		);
818
	}
819
820
	function carousel_background_color_sanitize( $value ) {
821
		return ( 'white' == $value ) ? 'white' : 'black';
822
	}
823
824
	function carousel_enable_it_callback() {
825
		$this->settings_checkbox( 'carousel_enable_it', __( 'Display images in full-size carousel slideshow.', 'jetpack' ) );
826
	}
827
828
	function carousel_enable_it_sanitize( $value ) {
829
		return $this->sanitize_1or0_option( $value );
830
	}
831
}
832
833
new Jetpack_Carousel;
834