Code Coverage
 
Lines
Functions and Methods
Classes and Traits
Total
91.76% covered (success)
91.76%
657 / 716
65.52% covered (warning)
65.52%
19 / 29
CRAP
0.00% covered (danger)
0.00%
0 / 1
Initializer
91.76% covered (success)
91.76%
657 / 716
65.52% covered (warning)
65.52%
19 / 29
268.43
0.00% covered (danger)
0.00%
0 / 1
 init
100.00% covered (success)
100.00%
7 / 7
100.00% covered (success)
100.00%
1 / 1
4
 update_init_options
66.67% covered (warning)
66.67%
2 / 3
0.00% covered (danger)
0.00%
0 / 1
3.33
 should_initialize_admin_ui
100.00% covered (success)
100.00%
1 / 1
100.00% covered (success)
100.00%
1 / 1
2
 unconditional_initialization
91.30% covered (success)
91.30%
21 / 23
0.00% covered (danger)
0.00%
0 / 1
4.01
 should_include_utilities
66.67% covered (warning)
66.67%
2 / 3
0.00% covered (danger)
0.00%
0 / 1
3.33
 prepare_poster_url_for_inline_style
100.00% covered (success)
100.00%
6 / 6
100.00% covered (success)
100.00%
1 / 1
4
 active_initialization
96.15% covered (success)
96.15%
25 / 26
0.00% covered (danger)
0.00%
0 / 1
3
 register_oembed_providers
100.00% covered (success)
100.00%
4 / 4
100.00% covered (success)
100.00%
1 / 1
1
 video_enqueue_bridge_when_oembed_present
100.00% covered (success)
100.00%
3 / 3
100.00% covered (success)
100.00%
1 / 1
2
 register_videopress_blocks
0.00% covered (danger)
0.00%
0 / 5
0.00% covered (danger)
0.00%
0 / 1
2
 register_videopress_all_playlists_block
100.00% covered (success)
100.00%
1 / 1
100.00% covered (success)
100.00%
1 / 1
1
 render_videopress_video_block
92.74% covered (success)
92.74%
115 / 124
0.00% covered (danger)
0.00%
0 / 1
33.42
 register_videopress_video_block
0.00% covered (danger)
0.00%
0 / 29
0.00% covered (danger)
0.00%
0 / 1
90
 register_videopress_playlist_block
100.00% covered (success)
100.00%
20 / 20
100.00% covered (success)
100.00%
1 / 1
7
 register_videopress_latest_videos_playlist_block
95.00% covered (success)
95.00%
19 / 20
0.00% covered (danger)
0.00%
0 / 1
6
 latest_videos_playlist_query
100.00% covered (success)
100.00%
11 / 11
100.00% covered (success)
100.00%
1 / 1
7
 render_videopress_latest_videos_playlist_block
97.30% covered (success)
97.30%
36 / 37
0.00% covered (danger)
0.00%
0 / 1
15
 render_video_browser_controls
100.00% covered (success)
100.00%
63 / 63
100.00% covered (success)
100.00%
1 / 1
12
 render_video_browser_pagination
100.00% covered (success)
100.00%
19 / 19
100.00% covered (success)
100.00%
1 / 1
5
 sanitize_playlist_entries
100.00% covered (success)
100.00%
21 / 21
100.00% covered (success)
100.00%
1 / 1
18
 playlist_embed_url
100.00% covered (success)
100.00%
11 / 11
100.00% covered (success)
100.00%
1 / 1
4
 playlist_timecode
100.00% covered (success)
100.00%
9 / 9
100.00% covered (success)
100.00%
1 / 1
3
 playlist_runtime_label
100.00% covered (success)
100.00%
10 / 10
100.00% covered (success)
100.00%
1 / 1
5
 playlist_resolution_label
100.00% covered (success)
100.00%
3 / 3
100.00% covered (success)
100.00%
1 / 1
3
 render_videopress_playlist_block
100.00% covered (success)
100.00%
230 / 230
100.00% covered (success)
100.00%
1 / 1
70
 enqueue_videopress_iframe_api_script
0.00% covered (danger)
0.00%
0 / 9
0.00% covered (danger)
0.00%
0 / 1
12
 maybe_pre_oembed_inline_player
100.00% covered (success)
100.00%
2 / 2
100.00% covered (success)
100.00%
1 / 1
2
 maybe_render_oembed_inline_player
100.00% covered (success)
100.00%
4 / 4
100.00% covered (success)
100.00%
1 / 1
4
 render_inline_player_for_url
100.00% covered (success)
100.00%
12 / 12
100.00% covered (success)
100.00%
1 / 1
3
1<?php
2/**
3 * The initializer class for the videopress package
4 *
5 * @package automattic/jetpack-videopress
6 */
7
8namespace Automattic\Jetpack\VideoPress;
9
10/**
11 * Initialized the VideoPress package
12 */
13class Initializer {
14
15    /**
16     * Bounds of the Latest Videos Playlist block's "Number of videos" setting;
17     * the editor control uses the same range.
18     */
19    const LATEST_VIDEOS_PLAYLIST_MIN_COUNT     = 1;
20    const LATEST_VIDEOS_PLAYLIST_MAX_COUNT     = 20;
21    const LATEST_VIDEOS_PLAYLIST_DEFAULT_COUNT = 5;
22    const LATEST_VIDEOS_PLAYLIST_MAX_PAGED     = 48;
23
24    const JETPACK_VIDEOPRESS_IFRAME_API_HANDLER = 'jetpack-videopress-iframe-api';
25
26    /**
27     * Initialization optinos
28     *
29     * @var array
30     */
31    protected static $init_options = array();
32
33    /**
34     * Initializes the VideoPress package
35     *
36     * This method is called by Config::ensure.
37     *
38     * @return void
39     */
40    public static function init() {
41        if ( ! did_action( 'videopress_init' ) ) {
42
43            self::unconditional_initialization();
44
45            if ( Status::is_active() ) {
46                self::active_initialization();
47            } elseif ( self::should_initialize_admin_ui() ) {
48                // Keep "Jetpack > VideoPress" in the menu when the module is not
49                // active, linking to the My Jetpack interstitial to activate it.
50                Admin_UI::init_inactive_menu();
51            }
52        }
53
54        /**
55         * Fires after the VideoPress package is initialized
56         *
57         * @since 0.1.1
58         */
59        do_action( 'videopress_init' );
60    }
61
62    /**
63     * Update the initialization options
64     *
65     * This method is called by the Config class
66     *
67     * @param array $options The initialization options.
68     * @return void
69     */
70    public static function update_init_options( array $options ) {
71        if ( empty( $options['admin_ui'] ) || self::should_initialize_admin_ui() ) { // do not overwrite if already set to true.
72            return;
73        }
74
75        self::$init_options['admin_ui'] = $options['admin_ui'];
76    }
77
78    /**
79     * Checks the initialization options and returns whether the admin_ui should be initialized or not
80     *
81     * @return boolean
82     */
83    public static function should_initialize_admin_ui() {
84        return isset( self::$init_options['admin_ui'] ) && true === self::$init_options['admin_ui'];
85    }
86
87    /**
88     * Initialize VideoPress features that should be initialized whenever VideoPress is present, even if the module is not active
89     *
90     * @return void
91     */
92    private static function unconditional_initialization() {
93        if ( self::should_include_utilities() ) {
94            require_once __DIR__ . '/utility-functions.php';
95        }
96
97        // Set up package version hook.
98        add_filter( 'jetpack_package_versions', __NAMESPACE__ . '\Package_Version::send_package_version_to_tracker' );
99
100        /*
101         * Keep the videopress_guid attachment meta out of reach of the
102         * user-facing meta write APIs (Custom Fields, XML-RPC set_custom_fields,
103         * the WordPress.com JSON API metadata op, REST). The post <-> guid
104         * mapping is what the VideoPress meta and poster endpoints authorize
105         * against, so a writable guid would let a caller point an object they
106         * can edit at somebody else's video and still pass the edit_post check.
107         *
108         * These auth_* filters are consulted by map_meta_cap() for the
109         * add/edit/delete_post_meta capabilities only, so unlike marking the key
110         * protected they leave is_protected_meta() false and meta_key queries
111         * against the WordPress.com JSON API keep working. VideoPress writes the
112         * mapping itself with update_post_meta(), which does not consult
113         * capabilities, so uploads and transcoding are unaffected.
114         *
115         * The subtype-specific filter covers attachments; the generic one covers
116         * calls made before a subtype can be resolved.
117         */
118        add_filter( 'auth_post_meta_videopress_guid_for_attachment', '__return_false' );
119        add_filter( 'auth_post_meta_videopress_guid', '__return_false' );
120
121        Module_Control::init();
122
123        /*
124         * The WPCOM REST API v2 endpoints only register routes/fields on REST
125         * init, so defer constructing them (and autoloading their classes) until
126         * a REST request is actually served. Registered on both REST init hooks
127         * so the routes remain available in every context they were before, and
128         * guarded so the endpoints are instantiated only once per request.
129         */
130        $register_rest_api_v2_endpoints = static function () {
131            static $registered = false;
132            if ( $registered ) {
133                return;
134            }
135            $registered = true;
136            new WPCOM_REST_API_V2_Endpoint_VideoPress();
137            new WPCOM_REST_API_V2_Endpoint_VideoPress_Caption_Tracks();
138            new WPCOM_REST_API_V2_Attachment_VideoPress_Field();
139            new WPCOM_REST_API_V2_Attachment_VideoPress_Data();
140            new WPCOM_REST_API_V2_Endpoint_VideoPress_Edits();
141        };
142        add_action( 'rest_api_init', $register_rest_api_v2_endpoints, 0 );
143        add_action( 'restapi_theme_init', $register_rest_api_v2_endpoints, 0 );
144
145        if ( is_admin() ) {
146            AJAX::init();
147        } else {
148            require_once __DIR__ . '/class-block-replacement.php';
149            Block_Replacement::init();
150        }
151    }
152
153    /**
154     * This avoids conflicts when running VideoPress plugin with older versions of the Jetpack plugin
155     *
156     * On version 11.3-a.7 utility functions include were removed from the plugin and it is safe to include it from the package
157     *
158     * @return boolean
159     */
160    private static function should_include_utilities() {
161        if ( ! class_exists( 'Jetpack' ) || ! defined( 'JETPACK__VERSION' ) ) {
162            return true;
163        }
164
165        return version_compare( JETPACK__VERSION, '11.3-a.7', '>=' );
166    }
167
168    /**
169     * Prepare a poster URL for a quoted CSS url() inside an HTML attribute.
170     *
171     * @param mixed $poster Poster URL.
172     * @return string Sanitized and HTML-encoded poster URL, or an empty string.
173     */
174    private static function prepare_poster_url_for_inline_style( $poster ) {
175        if ( ! is_string( $poster ) || '' === $poster ) {
176            return '';
177        }
178
179        /*
180         * Decode one layer so ordinarily encoded URLs retain their semantics. Any
181         * remaining entities are encoded again below and stay inert after the HTML
182         * parser performs its single decoding pass.
183         */
184        $poster_url = esc_url_raw( html_entity_decode( $poster, ENT_QUOTES | ENT_HTML5, 'UTF-8' ) );
185        if ( '' === $poster_url ) {
186            return '';
187        }
188
189        /*
190         * Force existing character references to be encoded. esc_attr() preserves
191         * them, but this value crosses from an HTML attribute into a CSS string.
192         */
193        return htmlspecialchars( $poster_url, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML5, 'UTF-8', true );
194    }
195
196    /**
197     * Initialize VideoPress features that should be initialized only when the module is active
198     *
199     * @return void
200     */
201    private static function active_initialization() {
202        Attachment_Handler::init();
203        Jwt_Token_Bridge::init();
204        Caption_Tracks::init();
205        Initial_State::init();
206        XMLRPC::init();
207        Block_Editor_Content::init();
208        Channel::init();
209        Transcript_Index::init();
210        Playlist_Index::init();
211        Analytics_Dashboard::init();
212
213        /*
214         * These endpoints only add their routes on REST init, so defer calling
215         * init() (and autoloading the endpoint classes) until a REST request is
216         * served. Priority 0 ensures the routes still register before the
217         * default-priority rest_api_init handlers run. Class-name strings are
218         * used so the classes are not autoloaded on non-REST requests.
219         */
220        foreach (
221            array(
222                Uploader_Rest_Endpoints::class,
223                Rest_Controller::class,
224                VideoPress_Rest_Api_V1_Stats::class,
225                VideoPress_Rest_Api_V1_Site::class,
226                VideoPress_Rest_Api_V1_Settings::class,
227                VideoPress_Rest_Api_V1_Features::class,
228            ) as $rest_endpoint
229        ) {
230            add_action( 'rest_api_init', array( $rest_endpoint, 'init' ), 0 );
231        }
232        self::register_oembed_providers();
233
234        // In inline mode a VideoPress URL never needs the oEmbed round trip: skip
235        // the fetch, and swap iframes already cached in post meta for a placeholder.
236        add_filter( 'pre_oembed_result', array( __CLASS__, 'maybe_pre_oembed_inline_player' ), 10, 2 );
237        add_filter( 'embed_oembed_html', array( __CLASS__, 'maybe_render_oembed_inline_player' ), 5, 4 );
238
239        // Enqueuethe VideoPress Iframe API script in the front-end.
240        add_filter( 'embed_oembed_html', array( __CLASS__, 'enqueue_videopress_iframe_api_script' ), 10, 4 );
241
242        if ( self::should_initialize_admin_ui() ) {
243            Admin_UI::init();
244        }
245
246        Divi::init();
247    }
248
249    /**
250     * Explicitly register VideoPress oembed provider for patterns not supported by core
251     *
252     * @return void
253     */
254    public static function register_oembed_providers() {
255        $host = rawurlencode( home_url() );
256        // videopress.com/v is already registered in core.
257        // By explicitly declaring the provider here, we can speed things up by not relying on oEmbed discovery.
258        wp_oembed_add_provider( '#^https?://video.wordpress.com/v/.*#', 'https://public-api.wordpress.com/oembed/?for=' . $host, true );
259        // This is needed as it's not supported in oEmbed discovery.
260        wp_oembed_add_provider( '|^https?://v\.wordpress\.com/([a-zA-Z\d]{8})(.+)?$|i', 'https://public-api.wordpress.com/oembed/?for=' . $host, true ); // phpcs:ignore WordPress.WP.CapitalPDangit.MisspelledInText
261
262        add_filter( 'embed_oembed_html', array( __CLASS__, 'video_enqueue_bridge_when_oembed_present' ), 10, 4 );
263    }
264
265    /**
266     * Enqueues VideoPress token bridge when a VideoPress oembed is present on the current page.
267     *
268     * @param string|false $cache   The cached HTML result, stored in post meta.
269     * @param string       $url     The attempted embed URL.
270     * @param array        $attr    An array of shortcode attributes.
271     * @param int          $post_ID Post ID.
272     *
273     * @return string|false
274     */
275    public static function video_enqueue_bridge_when_oembed_present( $cache, $url, $attr, $post_ID = null ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
276        if ( Utils::is_videopress_url( $url ) ) {
277            Jwt_Token_Bridge::enqueue_jwt_token_bridge();
278        }
279
280        return $cache;
281    }
282
283    /**
284     * Register all VideoPress blocks
285     *
286     * @return void
287     */
288    public static function register_videopress_blocks() {
289        // Register VideoPress Video block.
290        self::register_videopress_video_block();
291
292        // Register Video Playlist block.
293        self::register_videopress_playlist_block();
294
295        // Register Latest Videos Playlist block.
296        self::register_videopress_latest_videos_playlist_block();
297
298        // Register All Playlists block.
299        self::register_videopress_all_playlists_block();
300
301        // Register the playlist block's `source` and, where the channel feature is enabled, the channel blocks.
302        Channel_Blocks::register();
303    }
304
305    /**
306     * Register the All Playlists block, which lists the site's Video Playlist
307     * blocks from the playlist index.
308     *
309     * @param string|null $metadata_file Path to the block.json metadata file. Defaults to the
310     *                                   package build output; tests can point it at a fixture.
311     *
312     * @return void
313     */
314    public static function register_videopress_all_playlists_block( $metadata_file = null ) {
315        All_Playlists_Block::register( $metadata_file );
316    }
317
318    /**
319     * VideoPress video block render method
320     *
321     * @global \WP_Embed $wp_embed WordPress embed handler.
322     *
323     * @param array     $block_attributes Block attributes.
324     * @param string    $content          Current block markup.
325     * @param \WP_Block $block            Current block.
326     *
327     * @return string Block markup.
328     */
329    public static function render_videopress_video_block( $block_attributes, $content, $block ) {
330        global $wp_embed;
331
332        // Pre-build and cache the GUID list for this post to optimize authorization checks,
333        // and record the GUID actually being rendered: by render time WordPress has expanded
334        // synced patterns, templates, and template parts, so this covers embedding contexts
335        // the static content scan cannot see.
336        $post_id = $block->context['postId'] ?? get_the_ID();
337        if ( ! empty( $post_id ) && isset( $block_attributes['guid'] ) && is_string( $block_attributes['guid'] ) ) {
338            Access_Control::ensure_post_guids_cached( absint( $post_id ), $block_attributes['guid'] );
339        } elseif ( ! empty( $post_id ) ) {
340            Access_Control::build_and_cache_post_guids( absint( $post_id ) );
341        }
342
343        // CSS classes.
344        $align        = $block_attributes['align'] ?? null;
345        $align_class  = $align ? ' align' . $align : '';
346        $custom_class = isset( $block_attributes['className'] ) ? ' ' . $block_attributes['className'] : '';
347        $classes      = 'wp-block-jetpack-videopress jetpack-videopress-player' . $custom_class . $align_class;
348
349        // Inline style.
350        $style     = '';
351        $max_width = isset( $block_attributes['maxWidth'] ) && is_string( $block_attributes['maxWidth'] )
352            ? trim( $block_attributes['maxWidth'] )
353            : '';
354
355        // maxWidth is rendered into an inline style. Accept only a plain CSS length
356        // or percentage so the value stays a single, well-formed declaration;
357        // anything else is dropped and the block renders at full width (as with the
358        // "100%" default).
359        if ( '' !== $max_width && '100%' !== $max_width
360            && preg_match( '/^\d+(\.\d+)?(px|%|em|rem|vw|vh|vmin|vmax|ch|ex|cm|mm|in|pt|pc|q)$/i', $max_width )
361        ) {
362            $style    = sprintf( 'max-width: %s;', $max_width );
363            $classes .= ' wp-block-jetpack-videopress--has-max-width';
364        }
365
366        /*
367         * <figcaption /> element
368         * Caption is stored into the block attributes,
369         * but also it was stored into the <figcaption /> element,
370         * meaning that it could be stored in two different places.
371         */
372        $figcaption = '';
373
374        // Caption from block attributes.
375        $caption = $block_attributes['caption'] ?? null;
376
377        /*
378         * If the caption is not stored into the block attributes,
379         * try to get it from the <figcaption /> element.
380         */
381        if ( null === $caption ) {
382            preg_match( '/<figcaption>(.*?)<\/figcaption>/', $content, $matches );
383            $caption = $matches[1] ?? null;
384        }
385
386        // If we have a caption, create the <figcaption /> element.
387        if ( null !== $caption ) {
388            $figcaption = sprintf( '<figcaption>%s</figcaption>', wp_kses_post( $caption ) );
389        }
390
391        // Custom anchor from block content.
392        $id_attribute = '';
393
394        // Try to get the custom anchor from the block attributes.
395        if ( isset( $block_attributes['anchor'] ) && $block_attributes['anchor'] ) {
396            $id_attribute = sprintf( 'id="%s"', esc_attr( $block_attributes['anchor'] ) );
397        } elseif ( preg_match( '/<figure[^>]*id="([^"]+)"/', $content, $matches ) ) {
398            // Otherwise, try to get the custom anchor from the <figure /> element.
399            $id_attribute = sprintf( 'id="%s"', esc_attr( $matches[1] ) );
400        }
401
402        // Preview On Hover data.
403        $is_poh_enabled =
404            isset( $block_attributes['posterData']['previewOnHover'] ) &&
405            $block_attributes['posterData']['previewOnHover'];
406
407        $autoplay = $block_attributes['autoplay'] ?? false;
408        $controls = $block_attributes['controls'] ?? false;
409        $poster   = $block_attributes['posterData']['url'] ?? null;
410
411        $preview_on_hover = '';
412
413        if ( $is_poh_enabled ) {
414            $preview_on_hover = array(
415                'previewAtTime'       => $block_attributes['posterData']['previewAtTime'],
416                'previewLoopDuration' => $block_attributes['posterData']['previewLoopDuration'],
417                'autoplay'            => $autoplay,
418                'showControls'        => $controls,
419            );
420
421            // Create inline style in case video has a custom poster.
422            $inline_style = '';
423            $poster_url   = self::prepare_poster_url_for_inline_style( $poster );
424            if ( $poster_url ) {
425                // Emit the poster URL as a double-quoted CSS string so it stays
426                // contained within url() and cannot affect the surrounding style.
427                $inline_style = sprintf(
428                    'style="background-image: url(&quot;%s&quot;); background-size: cover; background-position: center center;"',
429                    $poster_url
430                );
431            }
432
433            // Expose the preview on hover data to the client.
434            $preview_on_hover = sprintf(
435                '<div class="jetpack-videopress-player__overlay" %s></div><script type="application/json">%s</script>',
436                $inline_style,
437                wp_json_encode( $preview_on_hover, JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP )
438            );
439
440            // Set `autoplay` and `muted` attributes to the video element.
441            $block_attributes['autoplay'] = true;
442            $block_attributes['muted']    = true;
443        }
444
445        $figure_template = '
446        <figure class="%1$s" style="%2$s" %3$s>
447            %4$s
448            %5$s
449            %6$s
450        </figure>
451        ';
452
453        // VideoPress URL.
454        $guid           = $block_attributes['guid'] ?? null;
455        $videopress_url = Utils::get_video_press_url( $guid, $block_attributes );
456
457        $video_wrapper         = '';
458        $video_wrapper_classes = 'jetpack-videopress-player__wrapper';
459
460        // Preview on hover drives the player through the iframe API, so it keeps the iframe.
461        if ( $guid && ! $is_poh_enabled && Inline_Player::is_enabled() ) {
462            $video_wrapper = sprintf(
463                '<div class="%s">%s</div>',
464                $video_wrapper_classes,
465                Inline_Player::render(
466                    $guid,
467                    Inline_Player::get_player_options( $block_attributes ),
468                    $block_attributes['videoRatio'] ?? null,
469                    array(
470                        'poster' => Inline_Player::get_poster_url( $guid, $block_attributes ),
471                        'title'  => $block_attributes['title'] ?? '',
472                    )
473                )
474            );
475        } elseif ( $videopress_url ) {
476            $videopress_url = wp_kses_post( $videopress_url );
477
478            /*
479             * Provide a fallback iframe for when the oEmbed endpoint fails, e.g.
480             * when the VideoPress backend isn't ready for a freshly uploaded video.
481             * This prevents the published page from showing a bare link.
482             */
483            $fallback = function ( $output, $url ) use ( $videopress_url ) {
484                $decoded_url = html_entity_decode( $videopress_url, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 );
485                if ( $decoded_url !== $url ) {
486                    return $output;
487                }
488
489                return sprintf(
490                    '<iframe title="%1$s" aria-label="%1$s" src="%2$s" width="640" height="360" allowfullscreen data-resize-to-parent="true" allow="clipboard-write; presentation"></iframe>',
491                    esc_attr__( 'VideoPress Video Player', 'jetpack-videopress-pkg' ),
492                    esc_url( preg_replace( '#/v/#', '/embed/', $url, 1 ) )
493                );
494            };
495
496            add_filter( 'embed_maybe_make_link', $fallback, 10, 2 );
497            $oembed_html = apply_filters( 'video_embed_html', $wp_embed->shortcode( array(), $videopress_url ) );
498            remove_filter( 'embed_maybe_make_link', $fallback );
499
500            $video_wrapper = sprintf(
501                '<div class="%s">%s %s</div>',
502                $video_wrapper_classes,
503                $preview_on_hover,
504                $oembed_html
505            );
506
507            /*
508             * Self-heal failed oEmbed cache for VideoPress URLs.
509             *
510             * When the VideoPress backend isn't ready for a freshly uploaded video,
511             * WordPress caches '{{unknown}}' in post meta with a TTL that is too long
512             * for this use case. Clear recent failures so the next page render retries
513             * oEmbed discovery, keeping the fallback iframe above temporary.
514             */
515            $post_id = $block->context['postId'] ?? get_the_ID();
516
517            if ( $post_id ) {
518                $key_suffix   = md5( $videopress_url . serialize( wp_embed_defaults( $videopress_url ) ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize -- Matching WP_Embed cache key format.
519                $oembed_value = get_post_meta( $post_id, '_oembed_' . $key_suffix, true );
520                $oembed_time  = (int) get_post_meta( $post_id, '_oembed_time_' . $key_suffix, true );
521
522                /*
523                 * Only clear the '{{unknown}}' cache entry when it is recent, to avoid
524                 * disabling WordPress's oEmbed backoff for persistent provider failures.
525                 */
526                if (
527                    '{{unknown}}' === $oembed_value
528                    && ( ! $oembed_time || ( time() - $oembed_time ) < MINUTE_IN_SECONDS )
529                ) {
530                    delete_post_meta( $post_id, '_oembed_' . $key_suffix );
531                    delete_post_meta( $post_id, '_oembed_time_' . $key_suffix );
532                }
533            }
534        }
535
536        // Get premium content from block context.
537        $premium_block_plan_id    = isset( $block->context['premium-content/planId'] ) ? intval( $block->context['premium-content/planId'] ) : 0;
538        $is_premium_content_child = isset( $block->context['isPremiumContentChild'] ) ? (bool) $block->context['isPremiumContentChild'] : false;
539        $maybe_premium_script     = '';
540        if ( $is_premium_content_child && is_string( $guid ) ) {
541            Access_Control::instance()->set_guid_subscription( $guid, $premium_block_plan_id );
542            $escaped_guid         = wp_json_encode( $guid, JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP );
543            $script_content       = "if ( ! window.__guidsToPlanIds ) { window.__guidsToPlanIds = {}; }; window.__guidsToPlanIds[$escaped_guid] = $premium_block_plan_id;";
544            $maybe_premium_script = '<script>' . $script_content . '</script>';
545        }
546
547        // $id_attribute, $video_wrapper, $figcaption properly escaped earlier in the code.
548        return sprintf(
549            $figure_template,
550            esc_attr( $classes ),
551            esc_attr( $style ),
552            $id_attribute,
553            $video_wrapper,
554            $figcaption,
555            $maybe_premium_script
556        );
557    }
558
559    /**
560     * Register the VideoPress block editor block,
561     * AKA "VideoPress Block v6".
562     *
563     * @return void
564     */
565    public static function register_videopress_video_block() {
566        /*
567         * If only Jetpack is active, and if the VideoPress module is not active,
568         * we can register the block just to display a placeholder to turn on the module.
569         * That invitation is only useful for admins though.
570         */
571        if (
572            Status::is_jetpack_plugin_without_videopress_module_active()
573            && ! Status::is_standalone_plugin_active()
574            && ! current_user_can( 'jetpack_activate_modules' )
575        ) {
576            return;
577        }
578
579        $videopress_video_metadata_file        = __DIR__ . '/../build/block-editor/blocks/video/block.json';
580        $videopress_video_metadata_file_exists = file_exists( $videopress_video_metadata_file );
581        if ( ! $videopress_video_metadata_file_exists ) {
582            return;
583        }
584
585        $videopress_video_metadata = json_decode(
586            // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
587            file_get_contents( $videopress_video_metadata_file )
588        );
589
590        // Pick the block name straight from the block metadata .json file.
591        $videopress_video_block_name = $videopress_video_metadata->name;
592
593        // Is the block already registered?
594        $is_block_registered = \WP_Block_Type_Registry::get_instance()->is_registered( $videopress_video_block_name );
595
596        // Do not register if the block is already registered.
597        if ( $is_block_registered ) {
598            return;
599        }
600
601        $registration = register_block_type(
602            $videopress_video_metadata_file,
603            array(
604                'render_callback'       => array( __CLASS__, 'render_videopress_video_block' ),
605                'render_email_callback' => array( Video_Block_Email_Renderer::class, 'render' ),
606                'uses_context'          => array( 'premium-content/planId', 'isPremiumContentChild', 'selectedPlanId' ),
607            )
608        );
609
610        // Do not enqueue scripts if the block could not be registered.
611        if ( empty( $registration ) || empty( $registration->editor_script_handles ) ) {
612            return;
613        }
614
615        // Extensions use Connection_Initial_State::render_script with script handle as parameter.
616        if ( is_array( $registration->editor_script_handles ) ) {
617            $script_handle = $registration->editor_script_handles[0];
618        } else {
619            $script_handle = $registration->editor_script_handles;
620        }
621
622        // Register and enqueue scripts used by the VideoPress video block.
623        Block_Editor_Extensions::init( $script_handle );
624    }
625
626    /**
627     * Register the Video Playlist block.
628     *
629     * @param string|null $metadata_file Path to the block.json metadata file. Defaults to the
630     *                                   package build output; tests can point it at a fixture.
631     *
632     * @return void
633     */
634    public static function register_videopress_playlist_block( $metadata_file = null ) {
635        /*
636         * Unlike the video block, the playlist block has no "activate the module"
637         * placeholder, so it is only registered where VideoPress can play videos.
638         */
639        if (
640            Status::is_jetpack_plugin_without_videopress_module_active()
641            && ! Status::is_standalone_plugin_active()
642        ) {
643            return;
644        }
645
646        if ( null === $metadata_file ) {
647            $metadata_file = __DIR__ . '/../build/block-editor/blocks/playlist/block.json';
648        }
649
650        if ( ! file_exists( $metadata_file ) ) {
651            return;
652        }
653
654        $metadata = json_decode(
655            // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
656            file_get_contents( $metadata_file )
657        );
658
659        if ( empty( $metadata->name )
660            || \WP_Block_Type_Registry::get_instance()->is_registered( $metadata->name )
661        ) {
662            return;
663        }
664
665        register_block_type(
666            $metadata_file,
667            array(
668                'render_callback'       => array( __CLASS__, 'render_videopress_playlist_block' ),
669                'render_email_callback' => array( Playlist_Block_Email_Renderer::class, 'render' ),
670            )
671        );
672    }
673
674    /**
675     * Register the Latest Videos Playlist block.
676     *
677     * It reuses the Video Playlist block's registered view script and styles, so
678     * it is only registered once that block is. Its inner Video Playlist block is
679     * the editor canvas only: the front end renders the newest videos fresh.
680     *
681     * @param string|null $metadata_file Path to the block.json metadata file. Defaults to the
682     *                                   package build output; tests can point it at a fixture.
683     *
684     * @return void
685     */
686    public static function register_videopress_latest_videos_playlist_block( $metadata_file = null ) {
687        if ( ! \WP_Block_Type_Registry::get_instance()->is_registered( 'videopress/playlist' ) ) {
688            return;
689        }
690
691        if ( null === $metadata_file ) {
692            $metadata_file = __DIR__ . '/../build/block-editor/blocks/latest-videos-playlist/block.json';
693        }
694
695        if ( ! file_exists( $metadata_file ) ) {
696            return;
697        }
698
699        $metadata = json_decode(
700            // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
701            file_get_contents( $metadata_file )
702        );
703
704        if ( empty( $metadata->name )
705            || \WP_Block_Type_Registry::get_instance()->is_registered( $metadata->name )
706        ) {
707            return;
708        }
709
710        register_block_type(
711            $metadata_file,
712            array(
713                'render_callback'       => array( __CLASS__, 'render_videopress_latest_videos_playlist_block' ),
714                'render_email_callback' => array( Playlist_Block_Email_Renderer::class, 'render_latest_videos' ),
715                'skip_inner_blocks'     => true,
716            )
717        );
718    }
719
720    /**
721     * The sort order, page size and pagination a Latest Videos Playlist block asks for, clamped to what it allows.
722     *
723     * @since 0.61.0
724     *
725     * @param array $block_attributes Block attributes.
726     *
727     * @return array{order: string, count: int, paginated: bool} Order is one of Channel_Data::BROWSE_SORTS.
728     */
729    public static function latest_videos_playlist_query( $block_attributes ) {
730        $order     = isset( $block_attributes['orderBy'] ) && in_array( $block_attributes['orderBy'], Channel_Data::BROWSE_SORTS, true ) ? $block_attributes['orderBy'] : 'newest';
731        $paginated = isset( $block_attributes['pagination'] ) && 'numbered' === $block_attributes['pagination'];
732        $max_count = $paginated ? self::LATEST_VIDEOS_PLAYLIST_MAX_PAGED : self::LATEST_VIDEOS_PLAYLIST_MAX_COUNT;
733        $count     = isset( $block_attributes['count'] ) && is_numeric( $block_attributes['count'] )
734            ? (int) $block_attributes['count']
735            : self::LATEST_VIDEOS_PLAYLIST_DEFAULT_COUNT;
736
737        return array(
738            'order'     => $order,
739            'count'     => max( self::LATEST_VIDEOS_PLAYLIST_MIN_COUNT, min( $max_count, $count ) ),
740            'paginated' => $paginated,
741        );
742    }
743
744    /**
745     * Latest Videos Playlist block render callback: the newest VideoPress videos
746     * on the site, rendered by the Video Playlist block's callback.
747     *
748     * @param array          $block_attributes Block attributes.
749     * @param string         $content          Current block markup, unused: the inner block is never rendered.
750     * @param \WP_Block|null $block            Current block.
751     *
752     * @return string Block markup, or an empty string when the site has no VideoPress videos.
753     */
754    public static function render_videopress_latest_videos_playlist_block( $block_attributes, $content = '', $block = null ) {
755        $query      = self::latest_videos_playlist_query( $block_attributes );
756        $order      = $query['order'];
757        $count      = $query['count'];
758        $paginated  = $query['paginated'];
759        $controls   = ! empty( $block_attributes['showBrowseControls'] );
760        $exclude    = ! empty( $block_attributes['excludeCurrent'] ) ? array_filter( array( Channel::queried_guid() ) ) : array();
761        $show_meta  = ! empty( $block_attributes['showMeta'] );
762        $is_browsed = 'newest' !== $order || $controls || $paginated || $exclude || $show_meta;
763
764        // Dynamic playlists have no title of their own, so no heading either.
765        unset( $block_attributes['playlistTitle'], $block_attributes['showPlaylistTitle'] );
766
767        if ( ! $is_browsed ) {
768            $block_attributes['videos'] = Data::get_latest_videopress_playlist_entries( $count );
769            if ( ! $block_attributes['videos'] ) {
770                return Channel_Blocks::render_empty_state( 'videos', $block_attributes );
771            }
772            return self::render_videopress_playlist_block( $block_attributes, '', $block );
773        }
774
775        // A site without videos gets the empty state, not filters with nothing to filter.
776        if ( ! Channel_Data::videos() ) {
777            return Channel_Blocks::render_empty_state( 'videos', $block_attributes );
778        }
779
780        $state   = Channel_Data::browse_request( $controls, $paginated, $order );
781        $results = Channel_Data::browse( $state, $count, $exclude, $show_meta );
782
783        $block_attributes['videos'] = $show_meta
784            ? $results['entries']
785            : array_map(
786                function ( $entry ) {
787                    return array_diff_key( $entry, array_flip( array( 'views', 'publishedAt' ) ) );
788                },
789                $results['entries']
790            );
791        $before                     = $controls ? self::render_video_browser_controls( $state, $results, $count ) : '';
792        $after                      = $paginated && $results['pages'] > 1 ? self::render_video_browser_pagination( $results['page'], $results['pages'] ) : '';
793        $markup                     = self::render_videopress_playlist_block( $block_attributes, '', $block, $before, $after );
794
795        if ( '' === $markup && $controls ) {
796            // Keep the controls when nothing matches, so the filters can be changed back.
797            $markup = sprintf(
798                '<figure %1$s>%2$s<p class="videopress-video-browser__empty">%3$s</p></figure>',
799                get_block_wrapper_attributes( array( 'class' => 'videopress-playlist is-layout-' . esc_attr( $block_attributes['layout'] ?? 'grid' ) . ' is-empty' ) ),
800                $before,
801                esc_html__( 'No videos match these filters.', 'jetpack-videopress-pkg' )
802            );
803        }
804
805        return $markup;
806    }
807
808    /**
809     * The Videos page controls: search, sort and length, submitted as a GET form.
810     *
811     * @param array $state    Browsing state from Channel_Data::browse_request().
812     * @param array $results  Page from Channel_Data::browse().
813     * @param int   $per_page Page size.
814     *
815     * @return string Markup.
816     */
817    private static function render_video_browser_controls( array $state, array $results, $per_page ) {
818        $own_args = array( Channel_Data::QUERY_ARG_SEARCH, Channel_Data::QUERY_ARG_SORT, Channel_Data::QUERY_ARG_LENGTH, Channel_Data::QUERY_ARG_PAGE );
819        $action   = strtok( remove_query_arg( $own_args ), '?' );
820
821        // A GET form drops the action's query string, so the page's other arguments ride along as fields.
822        $hidden = '';
823        // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Only echoed back as hidden fields.
824        foreach ( $_GET as $name => $value ) {
825            if ( is_string( $name ) && is_string( $value ) && ! in_array( $name, $own_args, true ) ) {
826                $hidden .= sprintf( '<input type="hidden" name="%1$s" value="%2$s" />', esc_attr( $name ), esc_attr( sanitize_text_field( wp_unslash( $value ) ) ) );
827            }
828        }
829
830        $sorts        = array(
831            'newest'  => __( 'Latest', 'jetpack-videopress-pkg' ),
832            'popular' => __( 'Popular', 'jetpack-videopress-pkg' ),
833            'oldest'  => __( 'Oldest', 'jetpack-videopress-pkg' ),
834        );
835        $sort_buttons = '';
836        foreach ( $sorts as $value => $label ) {
837            $is_current    = $value === $state['sort'];
838            $sort_buttons .= sprintf(
839                '<button type="submit" class="videopress-video-browser__sort%1$s" name="%2$s" value="%3$s" aria-pressed="%4$s">%5$s</button>',
840                $is_current ? ' is-current' : '',
841                esc_attr( Channel_Data::QUERY_ARG_SORT ),
842                esc_attr( 'newest' === $value ? 'latest' : $value ),
843                $is_current ? 'true' : 'false',
844                esc_html( $label )
845            );
846        }
847
848        $lengths = array(
849            'any'   => __( 'Any length', 'jetpack-videopress-pkg' ),
850            'short' => __( 'Under 20 min', 'jetpack-videopress-pkg' ),
851            'mid'   => __( '20 to 45 min', 'jetpack-videopress-pkg' ),
852            'long'  => __( 'Over 45 min', 'jetpack-videopress-pkg' ),
853        );
854        $options = '';
855        foreach ( $lengths as $value => $label ) {
856            $options .= sprintf( '<option value="%1$s"%2$s>%3$s</option>', esc_attr( $value ), selected( $value, $state['length'], false ), esc_html( $label ) );
857        }
858
859        if ( $results['total'] > 0 ) {
860            $summary = sprintf(
861                /* translators: 1: first video shown. 2: last video shown. 3: number of matching videos. */
862                _n( 'Showing %1$s–%2$s of %3$s video', 'Showing %1$s–%2$s of %3$s videos', $results['total'], 'jetpack-videopress-pkg' ),
863                number_format_i18n( $results['start'] + 1 ),
864                number_format_i18n( min( $results['start'] + $per_page, $results['total'] ) ),
865                number_format_i18n( $results['total'] )
866            );
867        } else {
868            $summary = __( '0 videos', 'jetpack-videopress-pkg' );
869        }
870
871        return sprintf(
872            '<form class="videopress-video-browser" method="get" action="%1$s" role="search">%2$s' .
873                '<input type="hidden" name="%3$s" value="%4$s" />' .
874                '<input type="search" class="videopress-video-browser__search" name="%5$s" value="%6$s" placeholder="%7$s" aria-label="%7$s" />' .
875                '<button type="submit" class="videopress-video-browser__submit wp-element-button">%8$s</button>' .
876                '<div class="videopress-video-browser__sorts" role="group" aria-label="%9$s">%10$s</div>' .
877                '<select class="videopress-video-browser__length" name="%11$s" aria-label="%12$s">%13$s</select>' .
878            '</form>' .
879            '<p class="videopress-video-browser__summary">%14$s</p>',
880            esc_url( $action ),
881            $hidden,
882            esc_attr( Channel_Data::QUERY_ARG_SORT ),
883            esc_attr( 'newest' === $state['sort'] ? 'latest' : $state['sort'] ),
884            esc_attr( Channel_Data::QUERY_ARG_SEARCH ),
885            esc_attr( $state['search'] ),
886            esc_attr__( 'Search this channel', 'jetpack-videopress-pkg' ),
887            esc_html__( 'Search', 'jetpack-videopress-pkg' ),
888            esc_attr__( 'Sort videos', 'jetpack-videopress-pkg' ),
889            $sort_buttons,
890            esc_attr( Channel_Data::QUERY_ARG_LENGTH ),
891            esc_attr__( 'Video length', 'jetpack-videopress-pkg' ),
892            $options,
893            esc_html( $summary )
894        );
895    }
896
897    /**
898     * The Videos page's numbered pagination.
899     *
900     * @param int $current Current page.
901     * @param int $pages   Number of pages.
902     *
903     * @return string Markup.
904     */
905    private static function render_video_browser_pagination( $current, $pages ) {
906        $url_for = function ( $page ) {
907            return 1 === $page ? remove_query_arg( Channel_Data::QUERY_ARG_PAGE ) : add_query_arg( Channel_Data::QUERY_ARG_PAGE, $page );
908        };
909        $step    = function ( $page, $enabled, $modifier, $label ) use ( $url_for ) {
910            return $enabled
911                ? sprintf( '<a class="videopress-video-browser__page videopress-video-browser__page--%1$s" href="%2$s">%3$s</a>', $modifier, esc_url( $url_for( $page ) ), esc_html( $label ) )
912                : sprintf( '<span class="videopress-video-browser__page videopress-video-browser__page--%1$s is-disabled" aria-disabled="true">%2$s</span>', $modifier, esc_html( $label ) );
913        };
914
915        $links = $step( $current - 1, $current > 1, 'prev', __( '← Previous', 'jetpack-videopress-pkg' ) );
916        for ( $page = 1; $page <= $pages; $page++ ) {
917            $links .= $page === $current
918                ? sprintf( '<span class="videopress-video-browser__page videopress-video-browser__page--number is-current" aria-current="page">%d</span>', $page )
919                : sprintf( '<a class="videopress-video-browser__page videopress-video-browser__page--number" href="%1$s">%2$d</a>', esc_url( $url_for( $page ) ), $page );
920        }
921        $links .= $step( $current + 1, $current < $pages, 'next', __( 'Next →', 'jetpack-videopress-pkg' ) );
922
923        return sprintf(
924            '<nav class="videopress-video-browser__pagination" aria-label="%1$s">%2$s</nav>',
925            esc_attr__( 'Videos pagination', 'jetpack-videopress-pkg' ),
926            $links
927        );
928    }
929
930    /**
931     * Sanitize the playlist block's videos attribute into rendering-ready entries.
932     *
933     * @param mixed $videos Raw attribute value.
934     *
935     * @return array Entries with guid, title, durationMs, height and poster keys.
936     */
937    public static function sanitize_playlist_entries( $videos ) {
938        if ( ! is_array( $videos ) ) {
939            return array();
940        }
941
942        $entries = array();
943        foreach ( $videos as $video ) {
944            if ( ! is_array( $video ) || empty( $video['guid'] ) || ! is_string( $video['guid'] ) ) {
945                continue;
946            }
947
948            // VideoPress GUIDs are 8 alphanumeric characters; drop anything else.
949            if ( ! preg_match( '/^[a-zA-Z0-9]{8}$/', $video['guid'] ) ) {
950                continue;
951            }
952
953            /*
954             * Only the video reference and numeric metadata are stored. Display
955             * metadata (title, poster) is always live: the view script reads it
956             * from the video data after the page loads.
957             */
958            $entry = array(
959                'guid'       => $video['guid'],
960                'durationMs' => isset( $video['durationMs'] ) && is_numeric( $video['durationMs'] ) ? max( 0, (int) $video['durationMs'] ) : 0,
961                'height'     => isset( $video['height'] ) && is_numeric( $video['height'] ) ? max( 0, (int) $video['height'] ) : 0,
962            );
963            // Render-time extras for the meta line and search matches; never saved with the block.
964            foreach ( array( 'views', 'publishedAt', 'startMs' ) as $extra ) {
965                if ( isset( $video[ $extra ] ) && is_numeric( $video[ $extra ] ) ) {
966                    $entry[ $extra ] = max( 0, (int) $video[ $extra ] );
967                }
968            }
969            foreach ( array( 'snippet', 'snippetMatch' ) as $extra ) {
970                if ( isset( $video[ $extra ] ) && is_string( $video[ $extra ] ) && '' !== $video[ $extra ] ) {
971                    $entry[ $extra ] = $video[ $extra ];
972                }
973            }
974            $entries[] = $entry;
975        }
976
977        return $entries;
978    }
979
980    /**
981     * Build the VideoPress embed URL for a playlist entry.
982     *
983     * @param string $guid     Video GUID.
984     * @param bool   $autoplay Whether the video should start playing once loaded.
985     * @param bool   $muted    Whether playback should start muted.
986     *
987     * @return string Embed URL.
988     */
989    private static function playlist_embed_url( $guid, $autoplay, $muted = false ) {
990        $args = array(
991            'cover'          => 1,
992            'preloadContent' => Data::get_videopress_player_preload_disabled() ? 'none' : 'metadata',
993            'autoPlay'       => $autoplay ? 1 : 0,
994        );
995        if ( $muted ) {
996            $args['muted'] = 1;
997        }
998
999        return add_query_arg(
1000            $args,
1001            'https://videopress.com/embed/' . rawurlencode( $guid )
1002        );
1003    }
1004
1005    /**
1006     * Format a duration in milliseconds as a timecode, m:ss or h:mm:ss.
1007     *
1008     * @param int $duration_ms Duration in milliseconds.
1009     *
1010     * @return string Timecode, or an empty string when the duration is unknown.
1011     */
1012    private static function playlist_timecode( $duration_ms ) {
1013        if ( $duration_ms <= 0 ) {
1014            return '';
1015        }
1016
1017        $total_seconds = (int) round( $duration_ms / 1000 );
1018        $hours         = intdiv( $total_seconds, 3600 );
1019        $minutes       = intdiv( $total_seconds % 3600, 60 );
1020        $seconds       = $total_seconds % 60;
1021
1022        if ( $hours > 0 ) {
1023            return sprintf( '%d:%02d:%02d', $hours, $minutes, $seconds );
1024        }
1025
1026        return sprintf( '%d:%02d', $minutes, $seconds );
1027    }
1028
1029    /**
1030     * Format a duration in milliseconds as a long runtime, e.g. "1 hr 13 min".
1031     *
1032     * @param int $duration_ms Duration in milliseconds.
1033     *
1034     * @return string Runtime label, or an empty string when the duration is unknown.
1035     */
1036    public static function playlist_runtime_label( $duration_ms ) {
1037        if ( $duration_ms <= 0 ) {
1038            return '';
1039        }
1040
1041        $total_minutes = max( 1, (int) round( $duration_ms / 60000 ) );
1042        $hours         = intdiv( $total_minutes, 60 );
1043        $minutes       = $total_minutes % 60;
1044
1045        if ( $hours > 0 && $minutes > 0 ) {
1046            /* translators: 1: number of hours. 2: number of minutes. */
1047            return sprintf( __( '%1$d hr %2$d min', 'jetpack-videopress-pkg' ), $hours, $minutes );
1048        }
1049
1050        if ( $hours > 0 ) {
1051            /* translators: %d: number of hours. */
1052            return sprintf( __( '%d hr', 'jetpack-videopress-pkg' ), $hours );
1053        }
1054
1055        /* translators: %d: number of minutes. */
1056        return sprintf( __( '%d min', 'jetpack-videopress-pkg' ), $minutes );
1057    }
1058
1059    /**
1060     * Map a video's pixel height to a resolution label, e.g. "1080p" or "4K".
1061     *
1062     * @param int $height Video height in pixels.
1063     *
1064     * @return string Resolution label, or an empty string when the height is unknown.
1065     */
1066    private static function playlist_resolution_label( $height ) {
1067        if ( $height <= 0 ) {
1068            return '';
1069        }
1070
1071        return $height >= 2160 ? '4K' : $height . 'p';
1072    }
1073
1074    /**
1075     * Video Playlist block render callback.
1076     *
1077     * @param array          $block_attributes Block attributes.
1078     * @param string         $content          Rendered inner blocks: the title heading, when there is one.
1079     * @param \WP_Block|null $block            Current block.
1080     * @param string         $before           Markup placed above the playlist body, e.g. browse controls.
1081     * @param string         $after            Markup placed below the playlist body, e.g. pagination.
1082     *
1083     * @return string Block markup, or an empty string when the playlist has no playable entries.
1084     */
1085    public static function render_videopress_playlist_block( $block_attributes, $content = '', $block = null, $before = '', $after = '' ) {
1086        $entries = self::sanitize_playlist_entries( $block_attributes['videos'] ?? null );
1087
1088        if ( ! $entries ) {
1089            // A playlist picked from the index shows the empty state while the site has none.
1090            return isset( $block_attributes['source'] ) && 'index' === $block_attributes['source'] && ! Channel::playlists()
1091                ? Channel_Blocks::render_empty_state( 'playlists', $block_attributes )
1092                : '';
1093        }
1094
1095        // Record the rendered GUIDs in the post's cached GUID list so private playlist
1096        // entries pass the playback authorization check, including when the playlist
1097        // sits inside a synced pattern, template, or template part.
1098        $post_id = $block->context['postId'] ?? get_the_ID();
1099        if ( ! empty( $post_id ) ) {
1100            Access_Control::ensure_post_guids_cached( absint( $post_id ), array_column( $entries, 'guid' ) );
1101        }
1102
1103        $enabled = function ( $key, $default_value = true ) use ( $block_attributes ) {
1104            return isset( $block_attributes[ $key ] ) ? (bool) $block_attributes[ $key ] : $default_value;
1105        };
1106
1107        $layout = isset( $block_attributes['layout'] ) && in_array( $block_attributes['layout'], array( 'side-rail', 'grid', 'strip' ), true )
1108            ? $block_attributes['layout']
1109            : 'side-rail';
1110
1111        $show_player = $enabled( 'showPlayer' );
1112        // A hidden player can still be revealed by the first click on an entry.
1113        $reveal_player  = ! $show_player
1114            && isset( $block_attributes['entryClickAction'] )
1115            && 'show-player' === $block_attributes['entryClickAction'];
1116        $has_player     = $show_player || $reveal_player;
1117        $show_thumbnail = $enabled( 'showThumbnail' );
1118        $show_title     = $enabled( 'showTitle' );
1119        $show_res       = $enabled( 'showResolution' );
1120        $show_duration  = $enabled( 'showDuration' );
1121        $show_number    = $enabled( 'showPositionNumber', false );
1122        $show_runtime   = $enabled( 'showTotalRuntime' );
1123        $muted          = $enabled( 'muteByDefault', false );
1124        $list_key       = isset( $block_attributes['videopressListKey'] ) && is_string( $block_attributes['videopressListKey'] ) ? sanitize_key( $block_attributes['videopressListKey'] ) : '';
1125        $current_guid   = Channel::is_enabled() ? Channel::queried_guid() : '';
1126
1127        $classes = array( 'videopress-playlist', 'is-layout-' . $layout );
1128        if ( $enabled( 'darkPlayer', false ) ) {
1129            $classes[] = 'is-dark';
1130        }
1131        if ( ! $show_player ) {
1132            $classes[] = 'hide-player';
1133        }
1134        if ( ! $show_thumbnail ) {
1135            $classes[] = 'hide-thumbnails';
1136        }
1137        if ( ! $show_title ) {
1138            $classes[] = 'hide-titles';
1139        }
1140        if ( ! $show_res ) {
1141            $classes[] = 'hide-resolutions';
1142        }
1143        if ( ! $show_duration ) {
1144            $classes[] = 'hide-durations';
1145        }
1146        if ( ! $show_runtime ) {
1147            $classes[] = 'hide-runtime';
1148        }
1149
1150        // Lets the embed play private videos for authorized viewers.
1151        Jwt_Token_Bridge::enqueue_jwt_token_bridge();
1152
1153        $count    = count( $entries );
1154        $total_ms = 0;
1155        foreach ( $entries as $entry ) {
1156            $total_ms += $entry['durationMs'];
1157        }
1158
1159        $total_timecode = self::playlist_timecode( $total_ms );
1160        /* translators: %d: number of videos in the playlist. */
1161        $count_label = sprintf( _n( '%d video', '%d videos', $count, 'jetpack-videopress-pkg' ), $count );
1162
1163        /*
1164         * Hidden placeholder shown (via the button's is-locked class) when the view
1165         * script cannot authorize a private video's thumbnail for the viewer.
1166         */
1167        $lock_markup = '<span class="videopress-playlist__entry-lock">'
1168            . '<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"><path d="M17 10h-1.2V7.3c0-2.1-1.7-3.8-3.8-3.8-2.1 0-3.8 1.7-3.8 3.8V10H7c-.6 0-1 .4-1 1v8c0 .6.4 1 1 1h10c.6 0 1-.4 1-1v-8c0-.6-.4-1-1-1Zm-2.7 0H9.7V7.3c0-1.3 1-2.3 2.3-2.3 1.3 0 2.3 1 2.3 2.3V10Z"/></svg>'
1169            . '<span class="videopress-playlist__entry-lock-label">' . esc_html__( 'Private video', 'jetpack-videopress-pkg' ) . '</span>'
1170            . '</span>';
1171
1172        $items = '';
1173        foreach ( $entries as $index => $entry ) {
1174            /*
1175             * Positional fallback only: the view script replaces titles (and
1176             * adds posters) with live video data once the page loads.
1177             */
1178            /* translators: %d: position of the video in the playlist. */
1179            $title = sprintf( __( 'Video %d', 'jetpack-videopress-pkg' ), $index + 1 );
1180
1181            $timecode   = self::playlist_timecode( $entry['durationMs'] );
1182            $resolution = self::playlist_resolution_label( $entry['height'] );
1183            /* translators: 1: position of the video in the playlist. 2: number of videos in the playlist. */
1184            $position = sprintf( __( '%1$d of %2$d', 'jetpack-videopress-pkg' ), $index + 1, $count );
1185            $details  = implode( ' · ', array_filter( array( $resolution, $timecode ) ) );
1186            $progress = '' !== $total_timecode
1187                /* translators: 1: position of the video in the playlist. 2: number of videos. 3: total playlist timecode. */
1188                ? sprintf( __( '%1$d / %2$d · %3$s total', 'jetpack-videopress-pkg' ), $index + 1, $count, $total_timecode )
1189                /* translators: 1: position of the video in the playlist. 2: number of videos. */
1190                : sprintf( __( '%1$d / %2$d', 'jetpack-videopress-pkg' ), $index + 1, $count );
1191
1192            $number_markup = $show_number
1193                ? sprintf(
1194                    '<span class="videopress-playlist__entry-number">%s</span>',
1195                    esc_html( str_pad( (string) ( $index + 1 ), 2, '0', STR_PAD_LEFT ) )
1196                )
1197                : '';
1198
1199            $time_markup = '' !== $timecode
1200                ? sprintf( '<span class="videopress-playlist__entry-time">%s</span>', esc_html( $timecode ) )
1201                : '';
1202
1203            $resolution_markup = '' !== $resolution
1204                ? sprintf( '<span class="videopress-playlist__entry-resolution">%s</span>', esc_html( $resolution ) )
1205                : '';
1206
1207            $duration_markup = '' !== $timecode
1208                ? sprintf( '<span class="videopress-playlist__entry-duration">%s</span>', esc_html( $timecode ) )
1209                : '';
1210
1211            $stats_label  = Channel_Data::views_and_age( array_intersect_key( $entry, array_flip( array( 'views', 'publishedAt' ) ) ) );
1212            $stats_markup = '' !== $stats_label
1213                ? sprintf( '<span class="videopress-playlist__entry-stats">%s</span>', esc_html( $stats_label ) )
1214                : '';
1215            if ( isset( $entry['snippet'] ) ) {
1216                $snippet = esc_html( $entry['snippet'] );
1217                if ( isset( $entry['snippetMatch'] ) ) {
1218                    $snippet = preg_replace( '/' . preg_quote( esc_html( $entry['snippetMatch'] ), '/' ) . '/iu', '<mark>$0</mark>', $snippet, 1 );
1219                }
1220                $stats_markup .= sprintf(
1221                    '<span class="videopress-playlist__entry-snippet"><span class="videopress-playlist__entry-snippet-time">%1$s</span> <q>%2$s</q></span>',
1222                    esc_html( self::playlist_timecode( max( 1, (int) ( $entry['startMs'] ?? 0 ) ) ) ),
1223                    $snippet
1224                );
1225            }
1226
1227            if ( $has_player ) {
1228                $is_current  = $show_player && 0 === $index;
1229                $entry_open  = sprintf(
1230                    '<button type="button" class="videopress-playlist__select%1$s"%2$s data-guid="%3$s" data-embed-url="%4$s" data-title="%5$s" data-position="%6$s" data-details="%7$s" data-progress="%8$s">',
1231                    $is_current ? ' is-current' : '',
1232                    $is_current ? ' aria-current="true"' : '',
1233                    esc_attr( $entry['guid'] ),
1234                    esc_url( self::playlist_embed_url( $entry['guid'], true, $muted ) ),
1235                    esc_attr( $title ),
1236                    esc_attr( $position ),
1237                    esc_attr( $details ),
1238                    esc_attr( $progress )
1239                );
1240                $entry_close = '</button>';
1241            } else {
1242                // No player to load the video into: the entry opens the video's page instead.
1243                /**
1244                 * Filters where a playlist entry opens when the block has no player.
1245                 *
1246                 * @since 0.55.0
1247                 *
1248                 * @param string $url  The video's page on videopress.com.
1249                 * @param string $guid The video GUID.
1250                 */
1251                $entry_url = apply_filters( 'videopress_playlist_entry_url', 'https://videopress.com/v/' . $entry['guid'], $entry['guid'] );
1252                $on_site   = Channel::is_site_url( $entry_url );
1253                if ( $on_site && '' !== $list_key ) {
1254                    $entry_url = add_query_arg( Channel::LIST_VAR, $list_key, $entry_url );
1255                }
1256                if ( $on_site && isset( $entry['startMs'] ) ) {
1257                    $entry_url = add_query_arg( Channel::START_VAR, (int) floor( $entry['startMs'] / 1000 ), $entry_url );
1258                }
1259                $is_current = '' !== $current_guid && $entry['guid'] === $current_guid;
1260                $entry_open = sprintf(
1261                    '<a class="videopress-playlist__select%1$s" href="%2$s"%3$s%4$s data-guid="%5$s" data-title="%6$s" data-position="%7$s" data-details="%8$s">',
1262                    $is_current ? ' is-current' : '',
1263                    esc_url( $entry_url ),
1264                    // Channel pages stay in the tab; videopress.com opens a new one.
1265                    $on_site ? '' : ' target="_blank" rel="noopener noreferrer"',
1266                    $is_current ? ' aria-current="true"' : '',
1267                    esc_attr( $entry['guid'] ),
1268                    esc_attr( $title ),
1269                    esc_attr( $position ),
1270                    esc_attr( $details )
1271                );
1272                $entry_close = '</a>';
1273            }
1274
1275            $items .= sprintf(
1276                '<li class="videopress-playlist__entry%10$s">%1$s' .
1277                    '%2$s<span class="videopress-playlist__entry-thumb"><span class="videopress-playlist__entry-flag">%3$s</span>%4$s%5$s</span>' .
1278                    '<span class="videopress-playlist__entry-body"><span class="videopress-playlist__entry-title">%6$s</span><span class="videopress-playlist__entry-meta">%7$s%8$s</span>%11$s</span>' .
1279                    '%9$s</li>',
1280                $entry_open,
1281                $number_markup,
1282                esc_html__( 'Playing', 'jetpack-videopress-pkg' ),
1283                $lock_markup,
1284                $time_markup,
1285                esc_html( $title ),
1286                $resolution_markup,
1287                $duration_markup,
1288                $entry_close,
1289                ! $has_player && '' !== $current_guid && $entry['guid'] === $current_guid ? ' is-current' : '',
1290                $stats_markup
1291            );
1292        }
1293
1294        $first          = $entries[0];
1295        $first_title    = __( 'Video 1', 'jetpack-videopress-pkg' );
1296        $runtime_label  = self::playlist_runtime_label( $total_ms );
1297        $runtime_markup = $show_runtime && '' !== $runtime_label
1298            ? sprintf( '<span class="videopress-playlist__runtime">%s</span>', esc_html( $runtime_label ) )
1299            : '';
1300
1301        // Count · runtime meta line, shown by the side-rail layout in the list header.
1302        $list_meta_markup = sprintf(
1303            '<span class="videopress-playlist__list-meta"><span class="videopress-playlist__count">%s</span>%s</span>',
1304            esc_html( $count_label ),
1305            $runtime_markup
1306        );
1307
1308        /*
1309         * The player renders its own title overlay, so the stage carries no
1310         * duplicate now-playing text — only the grid layout's runtime line.
1311         */
1312        $now_markup = $show_runtime && '' !== $runtime_label
1313            ? sprintf(
1314                '<div class="videopress-playlist__now"><span class="videopress-playlist__now-runtime">%s</span></div>',
1315                esc_html( $count_label . ' · ' . $runtime_label )
1316            )
1317            : '';
1318
1319        if ( $show_player ) {
1320            $stage_markup = sprintf(
1321                '<div class="videopress-playlist__stage">' .
1322                    '<div class="videopress-playlist__player"><iframe class="videopress-playlist__iframe" title="%1$s" src="%2$s" allowfullscreen allow="clipboard-write"></iframe></div>%3$s</div>',
1323                esc_attr( $first_title ),
1324                esc_url( self::playlist_embed_url( $first['guid'], false, $muted ) ),
1325                $now_markup
1326            );
1327        } elseif ( $reveal_player ) {
1328            // No src: nothing loads until the view script reveals the stage on a click.
1329            $stage_markup = sprintf(
1330                '<div class="videopress-playlist__stage" hidden>' .
1331                    '<div class="videopress-playlist__player"><iframe class="videopress-playlist__iframe" title="%1$s" allowfullscreen allow="clipboard-write"></iframe></div></div>%2$s',
1332                esc_attr( $first_title ),
1333                $now_markup
1334            );
1335        } else {
1336            // Without a player only the grid layout's runtime line remains of the stage.
1337            $stage_markup = $now_markup;
1338        }
1339
1340        $progress_markup = $has_player && '' !== $total_timecode
1341            ? sprintf(
1342                '<span class="videopress-playlist__list-progress">%s</span>',
1343                /* translators: 1: position of the current video. 2: number of videos. 3: total playlist timecode. */
1344                esc_html( sprintf( __( '%1$d / %2$d · %3$s total', 'jetpack-videopress-pkg' ), 1, $count, $total_timecode ) )
1345            )
1346            : '';
1347
1348        $list_markup = sprintf(
1349            '<div class="videopress-playlist__list">' .
1350                '<div class="videopress-playlist__list-header">' .
1351                '<span class="videopress-playlist__list-label videopress-playlist__list-label--rail">%1$s</span>' .
1352                '<span class="videopress-playlist__list-label videopress-playlist__list-label--strip">%2$s</span>%3$s%4$s</div>' .
1353                '<ol class="videopress-playlist__entries">%5$s</ol></div>',
1354            $show_player
1355                ? esc_html__( 'Up next', 'jetpack-videopress-pkg' )
1356                : esc_html__( 'Playlist', 'jetpack-videopress-pkg' ),
1357            /* translators: %s: number of videos in the playlist, e.g. "5 videos". */
1358            esc_html( sprintf( __( 'Playlist — %s', 'jetpack-videopress-pkg' ), $count_label ) ),
1359            $list_meta_markup,
1360            $progress_markup,
1361            $items
1362        );
1363
1364        /*
1365         * User-selected theme font presets (theme.json slugs) for the
1366         * customizable titles, exposed as CSS custom properties the
1367         * stylesheet reads. Anything but a plain preset slug is dropped.
1368         */
1369        $font_style = '';
1370        foreach ( array(
1371            'entryTitleFontFamily' => '--vpp-entry-title-font',
1372        ) as $font_attribute => $css_variable ) {
1373            if ( ! empty( $block_attributes[ $font_attribute ] )
1374                && is_string( $block_attributes[ $font_attribute ] )
1375                && preg_match( '/^[a-zA-Z0-9-]+$/', $block_attributes[ $font_attribute ] )
1376            ) {
1377                $font_style .= $css_variable . ':var(--wp--preset--font-family--' . $block_attributes[ $font_attribute ] . ');';
1378            }
1379        }
1380
1381        // Looping implies auto-advancing, so it forces the autoplay-next flag on.
1382        $loop_playlist = $enabled( 'loopPlaylist', false );
1383
1384        $wrapper_extra_attributes = array(
1385            'class'              => implode( ' ', $classes ),
1386            'data-autoplay-next' => $enabled( 'autoplayNext', false ) || $loop_playlist ? '1' : '0',
1387            'data-loop'          => $loop_playlist ? '1' : '0',
1388        );
1389        if ( '' !== $font_style ) {
1390            $wrapper_extra_attributes['style'] = $font_style;
1391        }
1392
1393        $wrapper_attributes = get_block_wrapper_attributes( $wrapper_extra_attributes );
1394
1395        // The Heading inner block saved with the post; an empty title renders none.
1396        $playlist_title = isset( $block_attributes['playlistTitle'] ) && is_string( $block_attributes['playlistTitle'] )
1397            ? trim( $block_attributes['playlistTitle'] )
1398            : '';
1399        $content        = is_string( $content ) ? trim( $content ) : '';
1400        $heading_markup = $enabled( 'showPlaylistTitle' ) && '' !== $playlist_title && '' !== $content
1401            ? '<div class="videopress-playlist__heading">' . $content . '</div>'
1402            : '';
1403
1404        return sprintf(
1405            '<figure %1$s>%2$s%5$s<div class="videopress-playlist__body">%3$s%4$s</div>%6$s</figure>',
1406            $wrapper_attributes,
1407            $heading_markup,
1408            $stage_markup,
1409            $list_markup,
1410            $before,
1411            $after
1412        );
1413    }
1414
1415    /**
1416     * Enqueue the VideoPress Iframe API script
1417     * when the URL of oEmbed HTML is a VideoPress URL.
1418     *
1419     * @param string|false $cache   The cached HTML result, stored in post meta.
1420     * @param string       $url     The attempted embed URL.
1421     * @param array        $attr    An array of shortcode attributes.
1422     * @param int          $post_ID Post ID.
1423     *
1424     * @return string|false
1425     */
1426    public static function enqueue_videopress_iframe_api_script( $cache, $url, $attr, $post_ID ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
1427        if ( Utils::is_videopress_url( $url ) && ! Inline_Player::is_enabled() ) {
1428            // Enqueue the VideoPress IFrame API in the front-end.
1429            wp_enqueue_script(
1430                self::JETPACK_VIDEOPRESS_IFRAME_API_HANDLER,
1431                'https://s0.wp.com/wp-content/plugins/video/assets/js/videojs/videopress-iframe-api.js',
1432                array(),
1433                gmdate( 'YW' ),
1434                false
1435            );
1436        }
1437
1438        return $cache;
1439    }
1440
1441    /**
1442     * Short-circuit the oEmbed request for VideoPress URLs when the inline player is on.
1443     *
1444     * @param null|string $result The oEmbed result, null to let WordPress fetch it.
1445     * @param string      $url    The URL being embedded.
1446     * @return null|string Inline player markup, or the untouched result.
1447     */
1448    public static function maybe_pre_oembed_inline_player( $result, $url ) {
1449        $inline = self::render_inline_player_for_url( $url );
1450
1451        return null === $inline ? $result : $inline;
1452    }
1453
1454    /**
1455     * Replace a VideoPress oEmbed iframe (fresh or cached) with an inline player when the inline player is on.
1456     *
1457     * @param string|false $cache   The oEmbed HTML.
1458     * @param string       $url     The URL being embedded.
1459     * @param array        $attr    Shortcode attributes.
1460     * @param int          $post_ID Post ID.
1461     * @return string|false Inline player markup, or the untouched HTML.
1462     */
1463    public static function maybe_render_oembed_inline_player( $cache, $url, $attr, $post_ID = null ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
1464        if ( ! is_string( $cache ) || false === strpos( $cache, '<iframe' ) ) {
1465            return $cache;
1466        }
1467
1468        $inline = self::render_inline_player_for_url( $url );
1469
1470        return null === $inline ? $cache : $inline;
1471    }
1472
1473    /**
1474     * Build inline player markup for a videopress.com URL, honoring the player parameters in its query string.
1475     *
1476     * @param string $url The URL being embedded.
1477     * @return string|null Markup, or null when the URL is not a VideoPress video or the inline player is off.
1478     */
1479    private static function render_inline_player_for_url( $url ) {
1480        if ( ! Inline_Player::is_enabled() ) {
1481            return null;
1482        }
1483
1484        $guid = Utils::extract_videopress_guid_from_url( $url );
1485        if ( null === $guid ) {
1486            return null;
1487        }
1488
1489        $attributes = Inline_Player::get_attributes_from_embed_url( $url );
1490
1491        return Inline_Player::render(
1492            $guid,
1493            Inline_Player::get_player_options( $attributes ),
1494            null,
1495            array( 'poster' => Inline_Player::get_poster_url( $guid, $attributes ) )
1496        );
1497    }
1498}