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<?php /** * Handle the recipe video metadata. * * @link http://bootstrapped.ventures * @since 3.0.0 * * @package WP_Recipe_Maker * @subpackage WP_Recipe_Maker/includes/public / /* * Handle the recipe video metadata. * * @since 3.0.0 * @package WP_Recipe_Maker * @subpackage WP_Recipe_Maker/includes/public * @author Brecht Vandersmissen <brecht@bootstrapped.ventures> / class WPRM_MetadataVideo { /* * Apis for looking up video metadata. * * @since 3.1.0 * @access private * @var array $apis Apis for looking up video metadata. / private static $apis = array( 'youtube' => 'AIzaSyCb5vbLd6f6397ygyBd-yIU0omZagxTfDY', ); /* * Output metadata in the HTML head. * * @since 3.0.0 * @param object $recipe Recipe to get the video metadata for. / public static function get_video_metadata_for_recipe( $recipe ) { $metadata = array( 'main' => false, 'instructions' => array(), ); // Get main video metadata. if ( $recipe->video_id() ) { $attachment = get_post( $recipe->video_id() ); if ( $attachment ) { $metadata['main'] = self::get_video_metadata_for_upload( $recipe->video_id() ); } } elseif ( $recipe->video_embed() ) { $metadata['main'] = self::get_video_metadata_for_embed( $recipe->video_embed(), $recipe ); } // Get instruction videos metadata. $instruction_groups = $recipe->instructions(); foreach ( $instruction_groups as $group_index => $instruction_group ) { $metadata['instructions'][ $group_index ] = array(); foreach ( $instruction_group['instructions'] as $index => $instruction ) { $video_metadata = false; if ( isset( $instruction['video'] ) && isset( $instruction['video']['type'] ) ) { if ( 'upload' === $instruction['video']['type'] && $instruction['video']['id'] ) { $video_metadata = self::get_video_metadata_for_upload( $instruction['video']['id'] ); } elseif ( 'embed' === $instruction['video']['type'] && $instruction['video']['embed'] ) { $video_metadata = self::get_video_metadata_for_embed( $instruction['video']['embed'] ); } } $metadata['instructions'][ $group_index ][ $index ] = $video_metadata; } } return $metadata; } /* * Get video metadata for uploaded video. * * @since 5.11.0 * @param int $id ID of the video to get the metadata for. / public static function get_video_metadata_for_upload( $id ) { $metadata = false; $attachment = get_post( $id ); if ( $attachment ) { $video_data = wp_get_attachment_metadata( $id ); $video_url = wp_get_attachment_url( $id ); $image_id = get_post_thumbnail_id( $id ); $thumb = wp_get_attachment_image_src( $image_id, 'full' ); $thumbnail_url = $thumb && isset( $thumb[0] ) ? $thumb[0] : ''; $metadata = array( 'name' => $attachment->post_title, 'description' => $attachment->post_content, 'thumbnailUrl' => $thumbnail_url, 'contentUrl' => $video_url, 'uploadDate' => date( 'c', strtotime( $attachment->post_date ) ), ); if ( $video_data && isset( $video_data['length'] ) ) { $metadata['duration'] = 'PT' . $video_data['length'] . 'S'; } } return $metadata; } /* * Get video metadata for embedded video. * * @since 5.11.0 * @param string $embed_code Video embed code to get the metadata for. * @param mixed $recipe Optional recipe to get the metadata for. / public static function get_video_metadata_for_embed( $embed_code, $recipe = false ) { $metadata = false; $embed_code = trim( $embed_code ); // Only check if there actually is some embed code. if ( $embed_code ) { $metadata = $metadata ? $metadata : self::check_for_youtube_embed( $embed_code ); $metadata = $metadata ? $metadata : self::check_for_mediavine_embed( $embed_code, $recipe ); $metadata = $metadata ? $metadata : self::check_for_adthrive_embed( $embed_code ); $metadata = $metadata ? $metadata : self::check_for_wp_youtube_lyte_embed( $embed_code ); $metadata = $metadata ? $metadata : self::check_for_brid_tv_embed( $embed_code ); $metadata = $metadata ? $metadata : self::check_for_oembed( $embed_code ); $metadata = $metadata ? $metadata : self::check_for_meta_html( $embed_code ); } return $metadata; } /* * Check the embed code for a Adthrive video. * * @since 3.0.0 * @param string $embed_code Embed code to check. / private static function check_for_adthrive_embed( $embed_code ) { $metadata = false; $pattern = get_shortcode_regex( array( 'adthrive-in-post-video-player' ) ); // Prevent issues with - in shortcode. $embed_code = str_ireplace( 'video-id', 'video_id', $embed_code ); $embed_code = str_ireplace( 'upload-date', 'upload_date', $embed_code ); preg_match( '/' . $pattern . '/s', $embed_code, $matches ); if ( $matches && isset( $matches[3] ) ) { $attributes_string = str_replace( '<', '<', $matches[3] ); // Otherwise shortcode_parse_atts doesn't work. $attributes = shortcode_parse_atts( stripslashes( $attributes_string ) ); $video_id = isset( $attributes['video_id'] ) ? $attributes['video_id'] : false; if ( $video_id ) { $upload_date = isset( $attributes['upload_date'] ) ? $attributes['upload_date'] : ''; $name = isset( $attributes['name'] ) ? $attributes['name'] : ''; $description = isset( $attributes['description'] ) ? $attributes['description'] : ''; $metadata = array( 'name' => $name, 'description' => $description, 'thumbnailUrl' => 'https://content.jwplatform.com/thumbs/' . $video_id . '-720.jpg', 'contentUrl' => 'https://content.jwplatform.com/videos/' . $video_id . '.mp4', 'uploadDate' => $upload_date, ); } } return $metadata; } /* * Check the embed code for a MediaVine video. * * @since 3.0.0 * @param string $embed_code Embed code to check. * @param object $recipe Recipe to get the video metadata for. / private static function check_for_mediavine_embed( $embed_code, $recipe = false ) { $metadata = false; // New embed code. preg_match( '/mv-video-id-(.?)(\"\|\s)/im', $embed_code, $match ); // Look for old embed code if new one not found. if ( ! $match ) { preg_match( '/.mediavine.com\/videos\/(.?)\.js/im', $embed_code, $match ); } if ( $match && isset( $match[1] ) ) { $mv_video_id = $match[1]; $metadata = self::check_for_oembed( 'https://embed.mediavine.com/videos/' . $mv_video_id ); // Make sure MV doesn't output metadata as well if we're already doing that. if ( $metadata && false === strpos( $embed_code, 'data-disable-jsonld' ) ) { $metadata_disabled_embed_code = str_ireplace( 'id="' . $mv_video_id . '"', 'id="' . $mv_video_id . '" data-disable-jsonld="true"', $embed_code ); if ( $embed_code !== $metadata_disabled_embed_code ) { if ( $recipe ) { update_post_meta( $recipe->id(), 'wprm_video_embed', $metadata_disabled_embed_code ); } } } } return $metadata; } /* * Check the embed code for a YouTube video. * * @since 8.1.0 * @param string $embed_code Embed code to check. / private static function check_for_youtube_embed( $embed_code ) { $metadata = false; // oEmbed detects https://www.youtube.com/watch?v=123456789 videos by default, both not YouTube shorts or https://youtu.be URLs. $found_youtube_id = false; // Check for YT Shorts URL. preg_match( '/youtube\.com\/shorts\/(.?)(?:\?\|$)/i', $embed_code, $matches ); if ( $matches && isset( $matches[1] ) ) { $found_youtube_id = $matches[1]; } // Check for shortened URL. preg_match( '/youtu\.be\/(.?)(?:\?\|$)/i', $embed_code, $matches ); if ( $matches && isset( $matches[1] ) ) { $found_youtube_id = $matches[1]; } // Try regular YT URL to get the metadata. if ( $found_youtube_id ) { $metadata = self::check_for_oembed( 'https://www.youtube.com/watch?v=' . $found_youtube_id ); } return $metadata; } /* * Check the embed code for a WP YouTube Lyte video. * * @since 3.1.0 * @param string $embed_code Embed code to check. / private static function check_for_wp_youtube_lyte_embed( $embed_code ) { $metadata = false; $pattern = get_shortcode_regex( array( 'lyte' ) ); preg_match( '/' . $pattern . '/s', $embed_code, $matches ); if ( $matches && isset( $matches[3] ) ) { $attributes = shortcode_parse_atts( stripslashes( $matches[3] ) ); $video_id = isset( $attributes['id'] ) ? $attributes['id'] : false; if ( $video_id ) { $metadata = self::check_for_oembed( 'https://www.youtube.com/watch?v=' . $video_id ); } } return $metadata; } /* * Check the embed code for a Brid TV video. * * @since 5.7.0 * @param string $embed_code Embed code to check. / private static function check_for_brid_tv_embed( $embed_code ) { $metadata = false; $pattern = get_shortcode_regex( array( 'brid' ) ); preg_match( '/' . $pattern . '/s', $embed_code, $matches ); if ( $matches && isset( $matches[3] ) ) { $attributes = shortcode_parse_atts( stripslashes( $matches[3] ) ); $video_id = isset( $attributes['video'] ) ? $attributes['video'] : false; if ( $video_id ) { $name = isset( $attributes['title'] ) ? $attributes['title'] : ''; $description = isset( $attributes['description'] ) ? $attributes['description'] : ''; $duration = isset( $attributes['duration'] ) ? 'PT' . intval( $attributes['duration'] ) . 'S' : ''; $thumbnail_url = isset( $attributes['thumbnailurl'] ) ? $attributes['thumbnailurl'] : ''; $upload_date = isset( $attributes['uploaddate'] ) ? date( 'c', strtotime( $attributes['uploaddate'] ) ) : ''; $metadata = array( 'name' => $name, 'description' => $description, 'thumbnailUrl' => $thumbnail_url, 'uploadDate' => $upload_date, 'duration' => $duration, ); } } return $metadata; } /* * Check the embed code for meta fields. * * @since 3.3.0 * @param string $embed_code Embed code to check. / private static function check_for_meta_html( $embed_code ) { $metadata = false; $dom = new DOMDocument; // Prevent errors from showing up. $internalErrors = libxml_use_internal_errors( true ); $loaded_html = $dom->loadHTML( $embed_code ); libxml_use_internal_errors( $internalErrors ); if ( $loaded_html ) { $meta_tags = $dom->getElementsByTagName( 'meta' ); if ( 0 < $meta_tags->length ) { $metadata = array(); foreach ( $meta_tags as $meta_tag ) { if ( in_array( $meta_tag->getAttribute( 'itemprop' ), array( 'uploadDate', 'name', 'description', 'duration', 'expires', 'interactionCount', 'thumbnailUrl', 'contentUrl', 'embedUrl', ) ) ) { $metadata[ $meta_tag->getAttribute( 'itemprop' ) ] = $meta_tag->getAttribute( 'content' ); } } if ( ! $metadata ) { $metadata = false; } } } return $metadata; } /* * Check the embed code for an oEmbed video. * * @since 3.0.0 * @param string $embed_code Embed code to check. / private static function check_for_oembed( $embed_code ) { $metadata = false; $url = false; // Check if it's a regular URL. $potential_url = filter_var( $embed_code, FILTER_SANITIZE_URL ); if ( filter_var( $potential_url, FILTER_VALIDATE_URL ) ) { $url = $potential_url; } // No regular URL? Check embed code. if ( ! $url ) { $url = self::get_url_from_embed_code( $embed_code ); } // If we've found a URL, try getting the metadata through oEmbed. if ( $url ) { // Get the WP oEmbed class. global $wp_oembed; if ( ! $wp_oembed ) { if ( file_exists( ABSPATH . WPINC . '/class-wp-oembed.php' ) ) { require_once( ABSPATH . WPINC . '/class-wp-oembed.php' ); } else { // Backwards compatibility. require_once( ABSPATH . WPINC . '/class-oembed.php' ); } $wp_oembed = new WP_oEmbed(); } // Check if we can find a provider for this URL. $provider = $wp_oembed->get_provider( $url ); if ( $provider ) { $oembed_data = $wp_oembed->fetch( $provider, $url ); if ( $oembed_data ) { $name = isset( $oembed_data->title ) ? $oembed_data->title : ''; $description = isset( $oembed_data->description ) ? $oembed_data->description : ''; $duration = isset( $oembed_data->duration ) ? 'PT' . intval( $oembed_data->duration ) . 'S' : ''; $thumbnail_url = isset( $oembed_data->thumbnail_url ) ? $oembed_data->thumbnail_url : ''; $upload_date = isset( $oembed_data->upload_date ) ? date( 'c', strtotime( $oembed_data->upload_date ) ) : ''; if ( ! $upload_date && isset( $oembed_data->uploadDate ) ) { $upload_date = date( 'c', strtotime( $oembed_data->uploadDate ) ); } // Default to oEmbed URL. $content_url = isset( $oembed_data->content_url ) ? $oembed_data->content_url : ''; if ( ! $content_url && isset( $oembed_data->contentUrl ) ) { $content_url = $oembed_data->contentUrl; } $content_url = $content_url ? $content_url : $url; // EmbedUrl. $embed_url = isset( $oembed_data->embed_url ) ? $oembed_data->embed_url : ''; if ( ! $embed_url && isset( $oembed_data->embedUrl ) ) { $embed_url = $oembed_data->embedUrl; } if ( ! $embed_url && isset( $oembed_data->html ) ) { preg_match( '/src\s=\s"([^"]+)"/im', $oembed_data->html, $match ); if ( $match && isset( $match[1] ) ) { $embed_url = $match[1]; } } $metadata = array( 'name' => $name, 'description' => $description, 'thumbnailUrl' => $thumbnail_url, 'embedUrl' => $embed_url, 'contentUrl' => $content_url, 'uploadDate' => $upload_date, 'duration' => $duration, ); } // Extend Youtube metadata via API. if ( is_array( $metadata ) && false !== stripos( $provider, 'youtube' ) ) { $metadata = self::get_youtube_metadata( $url ) + $metadata; // Don't set YouTube metadata if uploadDate is missing. if ( ! $metadata['uploadDate'] ) { $metadata = false; } } } } return $metadata; } /* * Check the embed code for a URL. * * @since 3.0.0 * @param string $embed_code Embed code to get the URL from. / private static function get_url_from_embed_code( $embed_code ) { // Check for YouTube embed code. preg_match("/youtube(-nocookie)?.com\/embed\/(.?)[\"\?]/im", $embed_code, $match ); if ( $match && isset( $match[2] ) ) { return 'https://www.youtube.com/watch?v=' . $match[2]; } // Check for src="" in the embed code. preg_match( '/src\s=\s"([^"]+)"/im', $embed_code, $match ); if ( $match && isset( $match[1] ) ) { return $match[1]; } return false; } /** * Get the Youtube API key. * * @since 6.0.0 / private static function get_youtube_api_key() { $personal_key = trim( WPRM_Settings::get( 'metadata_youtube_api_key' ) ); return $personal_key ? $personal_key : self::$apis['youtube']; } /* * Get Youtube metadata video the API. * * @since 3.1.0 * @param string $url Youtube video URL. / private static function get_youtube_metadata( $url ) { $metadata = array(); // Get video ID. preg_match( "/^(?:http(?:s)?:\/\/)?(?:www\.)?(?:m\.)?(?:youtu\.be\/\|youtube\.com\/(?:(?:watch)?\?(?:.&)?v(?:i)?=\|(?:embed\|v\|vi\|user)\/))([^\?&\"'>]+)/", $url, $video_parts ); if( isset( $video_parts[1] ) ) { $video_id = $video_parts[1]; } if ( $video_id && WPRM_Settings::get( 'metadata_youtube_agree_terms' ) ) { $api_key = self::get_youtube_api_key(); $api_url = 'https://youtube.googleapis.com/youtube/v3/videos?part=snippet&part=contentDetails&id=' . urlencode( $video_id ) . '&key=' . urlencode( $api_key ); $response = wp_remote_get( $api_url ); $body = ! is_wp_error( $response ) && isset( $response['body'] ) ? json_decode( $response['body'] ) : false; if ( $body ) { $item = isset( $body->items[0] ) ? $body->items[0] : false; if ( $item ) { $snippet = $item->snippet; $contentDetails = $item->contentDetails; $metadata = array(); // Don't set empty values. if ( isset ( $snippet->title ) && $snippet->title ) { $metadata['name'] = $snippet->title; } if ( isset ( $snippet->description ) && $snippet->description ) { $metadata['description'] = $snippet->description; } if ( isset ( $snippet->publishedAt ) && $snippet->publishedAt ) { $metadata['uploadDate'] = date( 'c', strtotime( $snippet->publishedAt ) ); } if ( isset ( $contentDetails->duration ) && $contentDetails->duration ) { $metadata['duration'] = $contentDetails->duration; } } } } return $metadata; } }

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