jetpack / modules / videopress / class.videopress-player.php

class.videopress-player.php in Jetpack – WP Security, Backup, Speed, & Growth 16.2-beta, at modules/videopress/class.videopress-player.php

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1	<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2	use Automattic\Jetpack\VideoPress\Jwt_Token_Bridge;
3
4	if ( ! defined( 'ABSPATH' ) ) {
5	exit( 0 );
6	}
7
8	/**
9	* VideoPress playback module markup generator.
10	*
11	* @since 1.3
12	*/
13	class VideoPress_Player {
14	/**
15	* Video data for the requested guid and maximum width
16	*
17	* @since 1.3
18	* @var VideoPress_Video
19	*/
20	protected $video;
21
22	/**
23	* DOM identifier of the video container
24	*
25	* @var string
26	* @since 1.3
27	*/
28	protected $video_container_id;
29
30	/**
31	* DOM identifier of the video element (video, object, embed)
32	*
33	* @var string
34	* @since 1.3
35	*/
36	protected $video_id;
37
38	/**
39	* Array of playback options: force_flash or freedom
40	*
41	* @var array
42	* @since 1.3
43	*/
44	protected $options;
45
46	/**
47	* Array of video GUIDs shown and their counts,
48	* moved from the old VideoPress class.
49	*
50	* @var array
51	*/
52	public static $shown = array();
53
54	/**
55	* Fallback video title.
56	*
57	* @var ?string
58	*/
59	protected $title;
60
61	/**
62	* Initiate a player object based on shortcode values and possible blog-level option overrides
63	*
64	* @since 1.3
65	* @param string $guid VideoPress unique identifier.
66	* @param int $maxwidth Maximum desired width of the video player if specified.
67	* @param array $options Player customizations.
68	*/
69	public function __construct( $guid, $maxwidth = 0, $options = array() ) {
70	if ( empty( self::$shown[ $guid ] ) ) {
71	self::$shown[ $guid ] = 0;
72	}
73
74	++self::$shown[ $guid ];
75
76	$this->video_container_id = 'v-' . $guid . '-' . self::$shown[ $guid ];
77	$this->video_id = $this->video_container_id . '-video';
78
79	if ( is_array( $options ) ) {
80	$this->options = $options;
81	} else {
82	$this->options = array();
83	}
84
85	// set up the video
86	$cache_key = null;
87
88	// disable cache in debug mode
89	if ( defined( 'WP_DEBUG' ) && WP_DEBUG === true ) {
90	$cached_video = null;
91	} else {
92	$cache_key_pieces = array( 'video' );
93
94	if ( is_multisite() && is_subdomain_install() ) {
95	$cache_key_pieces[] = get_current_blog_id();
96	}
97
98	$cache_key_pieces[] = $guid;
99	if ( $maxwidth > 0 ) {
100	$cache_key_pieces[] = $maxwidth;
101	}
102	if ( is_ssl() ) {
103	$cache_key_pieces[] = 'ssl';
104	}
105	$cache_key = implode( '-', $cache_key_pieces );
106	unset( $cache_key_pieces );
107	$cached_video = wp_cache_get( $cache_key, 'video' );
108	}
109	if ( empty( $cached_video ) ) {
110	$video = new VideoPress_Video( $guid, $maxwidth );
111	if ( isset( $video->error ) ) {
112	$this->video = $video->error;
113	return;
114	} elseif ( is_wp_error( $video ) ) {
115	$this->video = $video;
116	return;
117	}
118
119	$this->video = $video;
120	unset( $video );
121
122	if ( ! defined( 'WP_DEBUG' ) \|\| WP_DEBUG !== true ) {
123	$expire = 3600;
124	if ( isset( $this->video->expires ) && is_int( $this->video->expires ) ) {
125	$expires_diff = time() - $this->video->expires;
126	if ( $expires_diff > 0 && $expires_diff < 86400 ) { // allowed range: 1 second to 1 day
127	$expire = $expires_diff;
128	}
129	unset( $expires_diff );
130	}
131
132	wp_cache_set( $cache_key, serialize( $this->video ), 'video', $expire ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize
133	unset( $expire );
134	}
135	} else {
136	$this->video = unserialize( $cached_video ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_unserialize -- Make sure to unserialize as VideoPress_Video class.
137	}
138	unset( $cache_key );
139	unset( $cached_video );
140	}
141
142	/**
143	* Wrap output in a VideoPress player container.
144	*
145	* @since 1.3
146	* @param string $content HTML string.
147	* @return string HTML string or blank string if nothing to wrap.
148	*/
149	private function html_wrapper( $content ) {
150	if ( empty( $content ) ) {
151	return '';
152	} else {
153	return '<div id="' . esc_attr( $this->video_container_id ) . '" class="video-player">' . $content . '</div>';
154	}
155	}
156
157	/**
158	* Output content suitable for a feed reader displaying RSS or Atom feeds
159	* We do not display error messages in the feed view due to caching concerns.
160	* Flash content presented using <embed> markup for feed reader compatibility.
161	*
162	* @since 1.3
163	* @return string HTML string or empty string if error
164	*/
165	public function as_xml() {
166	if ( empty( $this->video ) \|\| is_wp_error( $this->video ) ) {
167	return '';
168	}
169
170	if ( isset( $this->options['force_flash'] ) && true === $this->options['force_flash'] ) {
171	$content = $this->flash_embed();
172
173	} else {
174	$content = $this->html5_static();
175	}
176
177	return $this->html_wrapper( $content );
178	}
179
180	/**
181	* Video player markup for best matching the current request and publisher options
182	*
183	* @since 1.3
184	* @return string HTML markup string or empty string if no video property found
185	*/
186	public function as_html() {
187	if ( empty( $this->video ) ) {
188	$content = '';
189
190	} elseif ( is_wp_error( $this->video ) ) {
191	$content = $this->error_message( $this->video );
192
193	} elseif ( isset( $this->options['force_flash'] ) && true === $this->options['force_flash'] ) {
194	$content = $this->flash_object();
195
196	} elseif ( isset( $this->video->restricted_embed ) && true === $this->video->restricted_embed ) {
197
198	if ( $this->options['forcestatic'] ) {
199	$content = $this->flash_object();
200
201	} else {
202	$content = $this->html5_dynamic();
203	}
204	} elseif ( isset( $this->options['freedom'] ) && true === $this->options['freedom'] ) {
205	$content = $this->html5_static();
206
207	} else {
208	$content = $this->html5_dynamic();
209	}
210
211	return $this->html_wrapper( $content );
212	}
213
214	/**
215	* Display an error message to users capable of doing something about the error
216	*
217	* @since 1.3
218	* @uses current_user_can() to test if current user has edit_posts capability.
219	* @param WP_Error $error WordPress error.
220	* @return string HTML string
221	*/
222	private function error_message( $error ) {
223	if ( ! current_user_can( 'edit_posts' ) \|\| empty( $error ) ) {
224	return '';
225	}
226
227	$html = '<div class="videopress-error" style="background-color:rgb(255,0,0);color:rgb(255,255,255);font-family:font-family:\'Helvetica Neue\',Arial,Helvetica,\'Nimbus Sans L\',sans-serif;font-size:140%;min-height:10em;padding-top:1.5em;padding-bottom:1.5em">';
228	/* translators: %s is 'VideoPress' */
229	$html .= '<h1 style="font-size:180%;font-style:bold;line-height:130%;text-decoration:underline">' . esc_html( sprintf( __( '%s Error', 'jetpack' ), 'VideoPress' ) ) . '</h1>';
230	foreach ( $error->get_error_messages() as $message ) {
231	$html .= $message;
232	}
233	$html .= '</div>';
234	return $html;
235	}
236
237	/**
238	* Rating agencies and industry associations require a potential viewer verify their age before a video or its poster frame are displayed.
239	* Content rated for audiences 17 years of age or older requires such verification across multiple rating agencies and industry associations
240	*
241	* @since 1.3
242	* @return bool true if video requires the viewer verify they are 17 years of age or older
243	*/
244	private function age_gate_required() {
245	if ( isset( $this->video->age_rating ) && $this->video->age_rating >= 17 ) {
246	return true;
247	} else {
248	return false;
249	}
250	}
251
252	/**
253	* Select a date of birth using HTML form elements.
254	*
255	* @since 1.5
256	* @return string HTML markup
257	*/
258	private function html_age_gate() {
259	global $wp_locale;
260	$text_align = 'left';
261	if ( $this->video->text_direction === 'rtl' ) {
262	$text_align = 'right';
263	}
264
265	$html = '<div class="videopress-age-gate" style="margin:0 60px">';
266	$html .= '<p class="instructions" style="color:rgb(255, 255, 255);font-size:21px;padding-top:60px;padding-bottom:20px;text-align:' . $text_align . '">' . esc_html( __( 'This video is intended for mature audiences.', 'jetpack' ) ) . '<br />' . esc_html( __( 'Please verify your birthday.', 'jetpack' ) ) . '</p>';
267	$html .= '<fieldset id="birthday" style="border:0 none;text-align:' . $text_align . ';padding:0;">';
268	$inputs_style = 'border:1px solid #444;margin-';
269	if ( $this->video->text_direction === 'rtl' ) {
270	$inputs_style .= 'left';
271	} else {
272	$inputs_style .= 'right';
273	}
274	$inputs_style .= ':10px;background-color:rgb(0, 0, 0);font-size:14px;color:rgb(255,255,255);padding:4px 6px;line-height: 2em;vertical-align: middle';
275
276	/**
277	* Display a list of months in the Gregorian calendar.
278	* Set values to 0-based to match JavaScript Date.
279	*
280	* @link https://developer.mozilla.org/en/JavaScript/Reference/global_objects/date Mozilla JavaScript Reference: Date
281	*/
282	$html .= '<select name="month" style="' . $inputs_style . '">';
283
284	for ( $i = 0; $i < 12; $i++ ) {
285	$html .= '<option value="' . esc_attr( $i ) . '">' . esc_html( $wp_locale->get_month( $i + 1 ) ) . '</option>';
286	}
287	$html .= '</select>';
288
289	/**
290	* Todo: numdays variance by month.
291	*/
292	$html .= '<select name="day" style="' . $inputs_style . '">';
293	for ( $i = 1; $i < 32; $i++ ) {
294	$html .= '<option>' . $i . '</option>';
295	}
296	$html .= '</select>';
297
298	/**
299	* Current record for human life is 122. Go back 130 years and no one is left out.
300	* Don't ask infants younger than 2 for their birthday
301	* Default to 13
302	*/
303	$html .= '<select name="year" style="' . $inputs_style . '">';
304	$start_year = gmdate( 'Y' ) - 2;
305	$default_year = $start_year - 11;
306	$end_year = $start_year - 128;
307	for ( $year = $start_year; $year > $end_year; $year-- ) {
308	$html .= '<option';
309	if ( $year === $default_year ) {
310	$html .= ' selected="selected"';
311	}
312	$html .= '>' . $year . '</option>';
313	}
314	unset( $start_year );
315	unset( $default_year );
316	unset( $end_year );
317	$html .= '</select>';
318
319	$html .= '<input type="submit" value="' . __( 'Submit', 'jetpack' ) . '" style="cursor:pointer;border-radius: 1em;border:1px solid #333;background-color:#333;background:-webkit-gradient( linear, left top, left bottom, color-stop(0.0, #444), color-stop(1, #111) );background:-moz-linear-gradient(center top, #444 0%, #111 100%);font-size:13px;padding:4px 10px 5px;line-height:1em;vertical-align:top;color:white;text-decoration:none;margin:0" />';
320
321	$html .= '</fieldset>';
322	$html .= '<p style="padding-top:20px;padding-bottom:60px;text-align:' . $text_align . ';"><a rel="nofollow noopener noreferrer" href="https://videopress.com/" target="_blank" style="color:rgb(128,128,128);text-decoration:underline;font-size:15px">' . __( 'More information', 'jetpack' ) . '</a></p>';
323
324	$html .= '</div>';
325	return $html;
326	}
327
328	/**
329	* Return HTML5 video static markup for the given video parameters.
330	* Use default browser player controls.
331	* No Flash fallback.
332	*
333	* @since 1.2
334	* @link https://html.spec.whatwg.org/multipage/media.html#the-video-element HTML5 video
335	* @return string HTML5 video element and children
336	*/
337	private function html5_static() {
338	wp_enqueue_script( 'videopress' );
339	$thumbnail = esc_url( $this->video->poster_frame_uri );
340	$html = "<video id=\"{$this->video_id}\" width=\"{$this->video->calculated_width}\" height=\"{$this->video->calculated_height}\" poster=\"$thumbnail\" controls=\"true\"";
341
342	$preload = 'metadata';
343	if ( isset( $this->options['preloadContent'] ) && videopress_is_valid_preload( $this->options['preloadContent'] ) ) {
344	$preload = $this->options['preloadContent'];
345	}
346
347	if ( isset( $this->options['autoplay'] ) && $this->options['autoplay'] === true ) {
348	$html .= ' autoplay="true"';
349	} else {
350	$html .= ' preload="' . esc_attr( $preload ) . '"';
351	}
352	if ( isset( $this->video->text_direction ) ) {
353	$html .= ' dir="' . esc_attr( $this->video->text_direction ) . '"';
354	}
355	if ( isset( $this->video->language ) ) {
356	$html .= ' lang="' . esc_attr( $this->video->language ) . '"';
357	}
358	$html .= '>';
359	if (
360	( ! isset( $this->options['freedom'] ) \|\| $this->options['freedom'] === false )
361	&& isset( $this->video->videos->mp4 )
362	) {
363	$mp4 = $this->video->videos->mp4->url;
364	if ( ! empty( $mp4 ) ) {
365	$html .= '<source src="' . esc_url( $mp4 ) . '" type="video/mp4; codecs="' . esc_attr( $this->video->videos->mp4->codecs ) . '"" />';
366	}
367	unset( $mp4 );
368	}
369
370	if ( isset( $this->video->videos->ogv ) ) {
371	$ogg = $this->video->videos->ogv->url;
372	if ( ! empty( $ogg ) ) {
373	$html .= '<source src="' . esc_url( $ogg ) . '" type="video/ogg; codecs="' . esc_attr( $this->video->videos->ogv->codecs ) . '"" />';
374	}
375
376	unset( $ogg );
377	}
378
379	$html .= '<div><img alt="';
380	if ( isset( $this->video->title ) ) {
381	$html .= esc_attr( $this->video->title );
382	}
383	$html .= '" src="' . $thumbnail . '" width="' . $this->video->calculated_width . '" height="' . $this->video->calculated_height . '" /></div>';
384	if ( isset( $this->options['freedom'] ) && $this->options['freedom'] === true ) {
385	/* translators: %s url to the gnu.org website */
386	$html .= '<p class="robots-nocontent">' . sprintf( __( 'You do not have sufficient <a rel="nofollow noopener noreferrer" href="%s" target="_blank">freedom levels</a> to view this video. Support free software and upgrade.', 'jetpack' ), 'https://www.gnu.org/philosophy/free-sw.html' ) . '</p>';
387	} elseif ( isset( $this->video->title ) ) {
388	$html .= '<p>' . esc_html( $this->video->title ) . '</p>';
389	}
390	$html .= '</video>';
391	return $html;
392	}
393
394	/**
395	* Click to play dynamic HTML5-capable player.
396	* The player displays a video preview section including poster frame,
397	* video title, play button and watermark on the original page load
398	* and calculates the playback capabilities of the browser. The video player
399	* is loaded when the visitor clicks on the video preview area.
400	* If Flash Player 10 or above is available the browser will display
401	* the Flash version of the video. If HTML5 video appears to be supported
402	* and the browser may be capable of MP4 (H.264, AAC) or OGV (Theora, Vorbis)
403	* playback the browser will display its native HTML5 player.
404	*
405	* @since 1.5
406	* @return string HTML markup
407	*/
408	private function html5_dynamic() {
409
410	/**
411	* Filter the VideoPress legacy player feature
412	*
413	* This filter allows you to control whether the legacy VideoPress player should be used
414	* instead of the improved one.
415	*
416	* @module videopress
417	*
418	* @since 3.7.0
419	*
420	* @param boolean $videopress_use_legacy_player
421	*/
422	if ( ! apply_filters( 'jetpack_videopress_use_legacy_player', false ) ) {
423	return $this->html5_dynamic_next();
424	}
425
426	wp_enqueue_script( 'videopress' );
427	$video_placeholder_id = $this->video_container_id . '-placeholder';
428	$age_gate_required = $this->age_gate_required();
429	$width = absint( $this->video->calculated_width );
430	$height = absint( $this->video->calculated_height );
431
432	$html = '<div id="' . $video_placeholder_id . '" class="videopress-placeholder" style="';
433	if ( $age_gate_required ) {
434	$html .= "min-width:{$width}px;min-height:{$height}px";
435	} else {
436	$html .= "width:{$width}px;height:{$height}px";
437	}
438	$html .= ';display:none;cursor:pointer !important;position:relative;';
439	if ( isset( $this->video->skin ) && isset( $this->video->skin->background_color ) ) {
440	$html .= 'background-color:' . esc_attr( $this->video->skin->background_color ) . ';';
441	}
442	$html .= 'font-family: \'Helvetica Neue\',Arial,Helvetica,\'Nimbus Sans L\',sans-serif;font-weight:bold;font-size:18px">' . PHP_EOL;
443
444	/**
445	* Do not display a poster frame, title, or any other content hints for mature content.
446	*/
447	if ( ! $age_gate_required ) {
448	if ( ! empty( $this->video->title ) ) {
449	$html .= '<div class="videopress-title" style="display:inline;position:absolute;margin:20px 20px 0 20px;padding:4px 8px;vertical-align:top;text-align:';
450	if ( $this->video->text_direction === 'rtl' ) {
451	$html .= 'right" dir="rtl"';
452	} else {
453	$html .= 'left" dir="ltr"';
454	}
455	if ( isset( $this->video->language ) ) {
456	$html .= ' lang="' . esc_attr( $this->video->language ) . '"';
457	}
458	$html .= '><span style="padding:3px 0;line-height:1.5em;';
459	if ( isset( $this->video->skin ) && isset( $this->video->skin->background_color ) ) {
460	$html .= 'background-color:';
461	if ( $this->video->skin->background_color === 'rgb(0,0,0)' ) {
462	$html .= 'rgba(0,0,0,0.8)';
463	} else {
464	$html .= esc_attr( $this->video->skin->background_color );
465	}
466	$html .= ';';
467	}
468	$html .= 'color:rgb(255,255,255)">' . esc_html( $this->video->title ) . '</span></div>';
469	}
470	$html .= '<img class="videopress-poster" alt="';
471	if ( ! empty( $this->video->title ) ) {
472	/* translators: %s is the video title */
473	$html .= esc_attr( $this->video->title ) . '" title="' . esc_attr( sprintf( _x( 'Watch: %s', 'watch a video title', 'jetpack' ), $this->video->title ) );
474	}
475	$html .= '" src="' . esc_url( $this->video->poster_frame_uri, array( 'http', 'https' ) ) . '" width="' . $width . '" height="' . $height . '" />' . PHP_EOL;
476
477	// style a play button hovered over the poster frame
478	$html .= '<div class="play-button"><span style="z-index:2;display:block;position:absolute;top:50%;left:50%;text-align:center;vertical-align:middle;color:rgb(255,255,255);opacity:0.9;margin:0 0 0 -0.45em;padding:0;line-height:0;font-size:500%;text-shadow:0 0 40px rgba(0,0,0,0.5)">▶</span></div>' . PHP_EOL;
479
480	// watermark
481	if ( isset( $this->video->skin ) && isset( $this->video->skin->watermark ) ) {
482	$html .= '<div style="position:relative;margin-top:-40px;height:25px;margin-bottom:35px;';
483	if ( $this->video->text_direction === 'rtl' ) {
484	$html .= 'margin-left:20px;text-align:left;';
485	} else {
486	$html .= 'margin-right:20px;text-align:right;';
487	}
488	$html .= 'vertical-align:bottom;z-index:3">';
489	$html .= '<img alt="" src="' . esc_url( $this->video->skin->watermark, array( 'http', 'https' ) ) . '" width="90" height="13" style="background-color:transparent;background-image:none;background-repeat:no-repeat;border:none;margin:0;padding:0"/>';
490	$html .= '</div>' . PHP_EOL;
491	}
492	}
493
494	$data = array(
495	'blog' => absint( $this->video->blog_id ),
496	'post' => absint( $this->video->post_id ),
497	'duration' => absint( $this->video->duration ),
498	'poster' => esc_url_raw( $this->video->poster_frame_uri, array( 'http', 'https' ) ),
499	'hd' => (bool) $this->options['hd'],
500	);
501	if ( isset( $this->video->videos ) ) {
502	if ( isset( $this->video->videos->mp4 ) && isset( $this->video->videos->mp4->url ) ) {
503	$data['mp4'] = array(
504	'size' => $this->video->videos->mp4->format,
505	'uri' => esc_url_raw( $this->video->videos->mp4->url, array( 'http', 'https' ) ),
506	);
507	}
508	if ( isset( $this->video->videos->ogv ) && isset( $this->video->videos->ogv->url ) ) {
509	$data['ogv'] = array(
510	'size' => 'std',
511	'uri' => esc_url_raw( $this->video->videos->ogv->url, array( 'http', 'https' ) ),
512	);
513	}
514	}
515	$locale = array( 'dir' => $this->video->text_direction );
516	if ( isset( $this->video->language ) ) {
517	$locale['lang'] = $this->video->language;
518	}
519	$data['locale'] = $locale;
520	unset( $locale );
521
522	$guid = $this->video->guid;
523	$guid_js = wp_json_encode( $guid, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP );
524	$html .= '<script type="text/javascript">' . PHP_EOL;
525	$html .= 'jQuery(document).ready(function() {';
526
527	$html .= 'if ( !jQuery.VideoPress.data[' . $guid_js . '] ) { jQuery.VideoPress.data[' . $guid_js . '] = new Array(); }' . PHP_EOL;
528	$html .= 'jQuery.VideoPress.data[' . $guid_js . '][' . self::$shown[ $guid ] . ']=' . wp_json_encode( $data, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP ) . ';' . PHP_EOL;
529	unset( $data );
530
531	$jq_container = wp_json_encode( '#' . $this->video_container_id, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP );
532	$jq_placeholder = wp_json_encode( '#' . $video_placeholder_id, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP );
533	$player_config = "{width:{$width},height:{$height},";
534	if ( isset( $this->options['freedom'] ) && $this->options['freedom'] === true ) {
535	$player_config .= 'freedom:"true",';
536	}
537	$player_config .= 'container:jQuery(' . $jq_container . ')}';
538
539	$html .= "jQuery({$jq_placeholder}).show(0,function(){jQuery.VideoPress.analytics.impression({$guid_js})});" . PHP_EOL;
540
541	if ( $age_gate_required ) {
542	$html .= 'if ( jQuery.VideoPress.support.flash() ) {' . PHP_EOL;
543	/**
544	* Insert alternative content for Flash players.
545	*
546	* @link https://github.com/swfobject/swfobject/wiki/SWFObject-API#swfobjectembedswfswfurlstr-replaceelemidstr-widthstr-heightstr-swfversionstr-xiswfurlstr-flashvarsobj-parobj-attobj-callbackfn
547	*/
548	$html .= 'swfobject.embedSWF(' . implode(
549	',',
550	array(
551	'jQuery.VideoPress.video.flash.player_uri',
552	wp_json_encode( $this->video_container_id, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP ),
553	wp_json_encode( $width, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP ),
554	wp_json_encode( $height, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP ),
555	'jQuery.VideoPress.video.flash.min_version',
556	'jQuery.VideoPress.video.flash.expressinstall', // attempt to upgrade the Flash player if less than min_version. requires a 310x137 container or larger but we will always try to include
557	'{guid:' . $guid_js . '}', // FlashVars
558	'jQuery.VideoPress.video.flash.params',
559	'null', // no attributes
560	'jQuery.VideoPress.video.flash.embedCallback', // error fallback
561	)
562	) . ');';
563	$html .= '} else {' . PHP_EOL;
564	$html .= "if ( jQuery.VideoPress.video.prepare({$guid_js},{$player_config}," . self::$shown[ $guid ] . ') ) {' . PHP_EOL;
565	$html .= 'if ( jQuery(' . $jq_container . ').data( "player" ) === "flash" ){jQuery.VideoPress.video.play(jQuery(' . wp_json_encode( '#' . $this->video_container_id, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP ) . '));}else{';
566	$html .= 'jQuery(' . $jq_placeholder . ').html(' . wp_json_encode( $this->html_age_date(), JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP ) . ');' . PHP_EOL;
567	$html .= 'jQuery(' . wp_json_encode( '#' . $video_placeholder_id . ' input[type="submit"]', JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP ) . ').one("click", function(event){jQuery.VideoPress.requirements.isSufficientAge(jQuery(' . $jq_container . '),' . absint( $this->video->age_rating ) . ')});' . PHP_EOL;
568	$html .= '}}}' . PHP_EOL;
569	} else {
570	$html .= "if ( jQuery.VideoPress.video.prepare({$guid_js}, {$player_config}," . self::$shown[ $guid ] . ') ) {' . PHP_EOL;
571	if ( isset( $this->options['autoplay'] ) && $this->options['autoplay'] === true ) {
572	$html .= "jQuery.VideoPress.video.play(jQuery({$jq_container}));";
573	} else {
574	$html .= 'jQuery(' . $jq_placeholder . ').one("click",function(){jQuery.VideoPress.video.play(jQuery(' . $jq_container . '))});';
575	}
576	$html .= '}';
577
578	// close the jQuery(document).ready() function
579	$html .= '});';
580	}
581	$html .= '</script>' . PHP_EOL;
582	$html .= '</div>' . PHP_EOL;
583
584	/*
585	* JavaScript required
586	*/
587	$noun = __( 'this video', 'jetpack' );
588	if ( ! $age_gate_required ) {
589	$vid_type = '';
590	if ( ( isset( $this->options['freedom'] ) && $this->options['freedom'] === true ) && ( isset( $this->video->videos->ogv ) && isset( $this->video->videos->ogv->url ) ) ) {
591	$vid_type = 'ogv';
592	} elseif ( isset( $this->video->videos->mp4 ) && isset( $this->video->videos->mp4->url ) ) {
593	$vid_type = 'mp4';
594	} elseif ( isset( $this->video->videos->ogv ) && isset( $this->video->videos->ogv->url ) ) {
595	$vid_type = 'ogv';
596	}
597
598	if ( $vid_type !== '' ) {
599	$noun = '<a ';
600	if ( isset( $this->video->language ) ) {
601	$noun .= 'hreflang="' . esc_attr( $this->video->language ) . '" ';
602	}
603	if ( $vid_type === 'mp4' ) {
604	$noun .= 'type="video/mp4" href="' . esc_url( $this->video->videos->mp4->url, array( 'http', 'https' ) );
605	} elseif ( $vid_type === 'ogv' ) {
606	$noun .= 'type="video/ogv" href="' . esc_url( $this->video->videos->ogv->url, array( 'http', 'https' ) );
607	}
608	$noun .= '">';
609	if ( isset( $this->video->title ) ) {
610	$noun .= esc_html( $this->video->title );
611	} else {
612	$noun .= __( 'this video', 'jetpack' );
613	}
614	$noun .= '</a>';
615	} elseif ( ! empty( $this->title ) ) {
616	$noun = esc_html( $this->title );
617	}
618	unset( $vid_type );
619	}
620	/* translators: %s video title or generic 'this video' string */
621	$html .= '<noscript><p>' . sprintf( _x( 'JavaScript required to play %s.', 'Play as in playback or view a movie', 'jetpack' ), $noun ) . '</p></noscript>';
622
623	return $html;
624	}
625
626	/**
627	* Output for the non-legacy HTML5 player.
628	*/
629	public function html5_dynamic_next() {
630	$video_container_id = 'v-' . $this->video->guid;
631
632	Jwt_Token_Bridge::enqueue_jwt_token_bridge();
633
634	// Must not use iframes for IE11 due to a fullscreen bug
635	if ( isset( $_SERVER['HTTP_USER_AGENT'] ) && stristr( sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ), 'Trident/7.0; rv:11.0' ) ) {
636	$iframe_embed = false;
637	} else {
638
639	/**
640	* Filter the VideoPress iframe embed
641	*
642	* This filter allows you to control whether the videos will be embedded using an iframe.
643	* Set this to false in order to use an in-page embed rather than an iframe.
644	*
645	* @module videopress
646	*
647	* @since 3.7.0
648	*
649	* @param boolean $videopress_player_use_iframe
650	*/
651	$iframe_embed = apply_filters( 'jetpack_videopress_player_use_iframe', true );
652	}
653
654	if ( ! array_key_exists( 'hd', $this->options ) ) {
655	$this->options['hd'] = (bool) get_option( 'video_player_high_quality', false );
656	}
657
658	if ( ! array_key_exists( 'cover', $this->options ) ) {
659	$this->options['cover'] = true;
660	}
661
662	$videopress_options = array(
663	'width' => absint( $this->video->calculated_width ),
664	'height' => absint( $this->video->calculated_height ),
665	);
666	foreach ( $this->options as $option => $value ) {
667	switch ( $option ) {
668	case 'at':
669	if ( (int) $value ) {
670	$videopress_options[ $option ] = (int) $value;
671	}
672	break;
673	case 'autoplay':
674	$option = 'autoPlay'; // Fall-through ok.
675	case 'hd':
676	case 'loop':
677	case 'permalink':
678	case 'cover':
679	case 'muted':
680	case 'controls':
681	case 'playsinline':
682	case 'useAverageColor':
683	if ( in_array( $value, array( true, 1, 'true' ), true ) ) {
684	$videopress_options[ $option ] = true;
685	} elseif ( in_array( $value, array( false, 0, 'false' ), true ) ) {
686	$videopress_options[ $option ] = false;
687	}
688	// phpcs:enable
689	break;
690	case 'defaultlangcode':
691	$option = 'defaultLangCode';
692	if ( $value ) {
693	$videopress_options[ $option ] = $value;
694	}
695	break;
696	case 'preloadContent':
697	if ( $value ) {
698	$videopress_options['preloadContent'] = $value;
699	}
700	}
701	}
702
703	if ( $iframe_embed ) {
704	$iframe_url = "https://videopress.com/embed/{$this->video->guid}";
705
706	foreach ( $videopress_options as $option => $value ) {
707	if ( ! in_array( $option, array( 'width', 'height' ), true ) ) {
708
709	// add_query_arg ignores false as a value, so replacing it with 0
710	// @phan-suppress-next-line PhanPluginSimplifyExpressionBool -- Probably it could, but semantically let's keep it as-is.
711	$iframe_url = add_query_arg( $option, ( false === $value ) ? 0 : $value, $iframe_url );
712	}
713	}
714
715	$cover = $videopress_options['cover'] ? ' data-resize-to-parent="true"' : '';
716
717	wp_enqueue_script( 'videopress-iframe', 'https://videopress.com/videopress-iframe.js', array(), JETPACK__VERSION, true );
718
719	return "<iframe title='" . __( 'VideoPress Video Player', 'jetpack' )
720	. "' aria-label='" . __( 'VideoPress Video Player', 'jetpack' )
721	. "' width='" . esc_attr( $videopress_options['width'] )
722	. "' height='" . esc_attr( $videopress_options['height'] )
723	. "' src='" . esc_attr( $iframe_url )
724	. "' frameborder='0' allowfullscreen"
725	. $cover
726	. " allow='clipboard-write; presentation'></iframe>";
727
728	} else {
729	$videopress_options = wp_json_encode( $videopress_options, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP );
730	$js_url = 'https://s0.wp.com/wp-content/plugins/video/assets/js/videojs/videopress.js';
731	$css_url = 'https://s0.wp.com/wp-content/plugins/video/assets/js/videojs/videopress.css';
732	$guid_js = wp_json_encode( (string) $this->video->guid, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP );
733	$selector_js = wp_json_encode( '#' . $video_container_id, JSON_UNESCAPED_SLASHES \| JSON_HEX_TAG \| JSON_HEX_AMP );
734
735	// Without the player styles the <video> renders at its native size and overflows the page.
736	wp_enqueue_style( 'videopress-videojs', $css_url, array(), JETPACK__VERSION );
737	wp_enqueue_script( 'videopress-videojs', $js_url, array(), JETPACK__VERSION, true );
738	wp_add_inline_script(
739	'videopress-videojs',
740	"videopress({$guid_js}, document.querySelector({$selector_js}), {$videopress_options});"
741	);
742
743	return "<div id='" . esc_attr( $video_container_id ) . "'></div>";
744	}
745	}
746
747	/**
748	* Only allow legitimate Flash parameters and their values
749	*
750	* @since 1.2
751	* @link https://helpx.adobe.com/flash/kb/flash-object-embed-tag-attributes.html Flash object and embed attributes
752	* @link https://helpx.adobe.com/flash/kb/font-outlines-device-fonts.html devicefont
753	* @link https://helpx.adobe.com/flash/kb/control-access-scripts-host-web.html allowscriptaccess
754	* @link https://www.adobe.com/devnet/flashplayer/articles/full_screen_mode.html full screen mode
755	* @link https://help.adobe.com/en_US/as3/dev/WS1EFE2EDA-026D-4d14-864E-79DFD56F87C6.html allownetworking
756	* @param array $flash_params Flash parameters expressed in key-value form.
757	* @return array validated Flash parameters
758	*/
759	public static function esc_flash_params( $flash_params ) {
760	$allowed_params = array(
761	'swliveconnect' => array( 'true', 'false' ),
762	'play' => array( 'true', 'false' ),
763	'loop' => array( 'true', 'false' ),
764	'menu' => array( 'true', 'false' ),
765	'quality' => array( 'low', 'autolow', 'autohigh', 'medium', 'high', 'best' ),
766	'scale' => array( 'default', 'noborder', 'exactfit', 'noscale' ),
767	'align' => array( 'l', 'r', 't' ),
768	'salign' => array( 'l', 'r', 't', 'tl', 'tr', 'bl', 'br' ),
769	'wmode' => array( 'window', 'opaque', 'transparent', 'direct', 'gpu' ),
770	'devicefont' => array( '_sans', '_serif', '_typewriter' ),
771	'allowscriptaccess' => array( 'always', 'samedomain', 'never' ),
772	'allownetworking' => array( 'all', 'internal', 'none' ),
773	'seamlesstabbing' => array( 'true', 'false' ),
774	'allowfullscreen' => array( 'true', 'false' ),
775	'fullScreenAspectRatio' => array( 'portrait', 'landscape' ),
776	'base',
777	'bgcolor',
778	'flashvars',
779	);
780
781	$allowed_params_keys = array_keys( $allowed_params );
782
783	$filtered_params = array();
784	foreach ( $flash_params as $param => $value ) {
785	if ( empty( $param ) \|\| empty( $value ) ) {
786	continue;
787	}
788	$param = strtolower( $param );
789	if ( in_array( $param, $allowed_params_keys, true ) ) {
790	if ( isset( $allowed_params[ $param ] ) && is_array( $allowed_params[ $param ] ) ) {
791	$value = strtolower( $value );
792	if ( in_array( $value, $allowed_params[ $param ], true ) ) {
793	$filtered_params[ $param ] = $value;
794	}
795	} else {
796	$filtered_params[ $param ] = $value;
797	}
798	}
799	}
800	unset( $allowed_params_keys );
801
802	/**
803	* Flash specifies sameDomain, not samedomain. change from lowercase value for preciseness
804	*/
805	if ( isset( $filtered_params['allowscriptaccess'] ) && $filtered_params['allowscriptaccess'] === 'samedomain' ) {
806	$filtered_params['allowscriptaccess'] = 'sameDomain';
807	}
808
809	return $filtered_params;
810	}
811
812	/**
813	* Filter Flash variables from the response, taking into consideration player options.
814	*
815	* @since 1.3
816	* @return array Flash variable key value pairs
817	*/
818	private function get_flash_variables() {
819	if ( ! isset( $this->video->players->swf->vars ) ) {
820	return array();
821	}
822
823	$flashvars = (array) $this->video->players->swf->vars;
824	if ( isset( $this->options['autoplay'] ) && $this->options['autoplay'] === true ) {
825	$flashvars['autoPlay'] = 'true';
826	}
827	return $flashvars;
828	}
829
830	/**
831	* Validate and filter Flash parameters
832	*
833	* @since 1.3
834	* @return array Flash parameters passed through key and value validation
835	*/
836	private function get_flash_parameters() {
837	if ( ! isset( $this->video->players->swf->params ) ) {
838	return array();
839	} else {
840	return self::esc_flash_params(
841	/**
842	* Filters the Flash parameters of the VideoPress player.
843	*
844	* @module videopress
845	*
846	* @since 1.2.0
847	*
848	* @param array $this->video->players->swf->params Array of swf parameters for the VideoPress flash player.
849	*/
850	apply_filters( 'video_flash_params', (array) $this->video->players->swf->params, 10, 1 )
851	);
852	}
853	}
854
855	/**
856	* Flash player markup in a HTML embed element.
857	*
858	* @since 1.1
859	* @link https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-embed-element embed element
860	* @link http://www.google.com/support/reader/bin/answer.py?answer=70664 Google Reader markup support
861	* @return string HTML markup. Embed element with no children
862	*/
863	private function flash_embed() {
864	wp_enqueue_script( 'videopress' );
865	if ( ! isset( $this->video->players->swf ) \|\| ! isset( $this->video->players->swf->url ) ) {
866	return '';
867	}
868
869	$embed = array(
870	'id' => $this->video_id,
871	'src' => esc_url_raw( $this->video->players->swf->url . '&' . http_build_query( $this->get_flash_variables(), '', '&' ), array( 'http', 'https' ) ),
872	'type' => 'application/x-shockwave-flash',
873	'width' => $this->video->calculated_width,
874	'height' => $this->video->calculated_height,
875	);
876	if ( isset( $this->video->title ) ) {
877	$embed['title'] = $this->video->title;
878	}
879	$embed = array_merge( $embed, $this->get_flash_parameters() );
880
881	$html = '<embed';
882	foreach ( $embed as $attribute => $value ) {
883	$html .= ' ' . esc_html( $attribute ) . '="' . esc_attr( $value ) . '"';
884	}
885	unset( $embed );
886	$html .= '></embed>';
887	return $html;
888	}
889
890	/**
891	* Double-baked Flash object markup for Internet Explorer and more standards-friendly consuming agents.
892	*
893	* @since 1.1
894	* @return string HTML markup. Object and children.
895	*/
896	private function flash_object() {
897	wp_enqueue_script( 'videopress' );
898	if ( ! isset( $this->video->players->swf ) \|\| ! isset( $this->video->players->swf->url ) ) {
899	return '';
900	}
901
902	$thumbnail_html = '<img alt="';
903	if ( isset( $this->video->title ) ) {
904	$thumbnail_html .= esc_attr( $this->video->title );
905	}
906	$thumbnail_html .= '" src="' . esc_url( $this->video->poster_frame_uri, array( 'http', 'https' ) ) . '" width="' . $this->video->calculated_width . '" height="' . $this->video->calculated_height . '" />';
907	$flash_vars = esc_attr( http_build_query( $this->get_flash_variables(), '', '&' ) );
908	$flash_params = '';
909	foreach ( $this->get_flash_parameters() as $attribute => $value ) {
910	$flash_params .= '<param name="' . esc_attr( $attribute ) . '" value="' . esc_attr( $value ) . '" />';
911	}
912	/* translators: %s url to the Adobe Flash Player website */
913	$flash_help = sprintf( __( 'This video requires <a rel="nofollow noopener noreferrer" href="%s" target="_blank">Adobe Flash</a> for playback.', 'jetpack' ), 'https://get.adobe.com/flashplayer/' );
914	$flash_player_url = esc_url( $this->video->players->swf->url, array( 'http', 'https' ) );
915	$description = '';
916	if ( isset( $this->video->title ) ) {
917	$standby = $this->video->title;
918	$description = '<p><strong>' . esc_html( $this->video->title ) . '</strong></p>';
919	} else {
920	$standby = __( 'Loading video...', 'jetpack' );
921	}
922	$standby = ' standby="' . esc_attr( $standby ) . '"';
923	return <<<OBJECT
924	<script type="text/javascript">if(typeof swfobject!=="undefined"){swfobject.registerObject("{$this->video_id}", "{$this->video->players->swf->version}");}</script>
925	<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="{$this->video->calculated_width}" height="{$this->video->calculated_height}" id="{$this->video_id}"{$standby}>
926	<param name="movie" value="{$flash_player_url}" />
927	{$flash_params}
928	<param name="flashvars" value="{$flash_vars}" />
929	<!--[if !IE]>-->
930	<object type="application/x-shockwave-flash" data="{$flash_player_url}" width="{$this->video->calculated_width}" height="{$this->video->calculated_height}"{$standby}>
931	{$flash_params}
932	<param name="flashvars" value="{$flash_vars}" />
933	<!--<![endif]-->
934	{$thumbnail_html}{$description}<p class="robots-nocontent">{$flash_help}</p>
935	<!--[if !IE]>-->
936	</object>
937	<!--<![endif]-->
938	</object>
939	OBJECT;
940	}
941	}
942