diff --git a/wp-includes/class-oembed.php b/wp-includes/class-oembed.php index dd3e5687f0..3b39e97df8 100644 --- a/wp-includes/class-oembed.php +++ b/wp-includes/class-oembed.php @@ -1,750 +1,15 @@ array( 'https://www.youtube.com/oembed', true ), - '#https?://((m|www)\.)?youtube\.com/playlist.*#i' => array( 'https://www.youtube.com/oembed', true ), - '#https?://youtu\.be/.*#i' => array( 'https://www.youtube.com/oembed', true ), - '#https?://(.+\.)?vimeo\.com/.*#i' => array( 'https://vimeo.com/api/oembed.{format}', true ), - '#https?://(www\.)?dailymotion\.com/.*#i' => array( 'https://www.dailymotion.com/services/oembed', true ), - '#https?://dai\.ly/.*#i' => array( 'https://www.dailymotion.com/services/oembed', true ), - '#https?://(www\.)?flickr\.com/.*#i' => array( 'https://www.flickr.com/services/oembed/', true ), - '#https?://flic\.kr/.*#i' => array( 'https://www.flickr.com/services/oembed/', true ), - '#https?://(.+\.)?smugmug\.com/.*#i' => array( 'https://api.smugmug.com/services/oembed/', true ), - '#https?://(www\.)?hulu\.com/watch/.*#i' => array( 'https://www.hulu.com/api/oembed.{format}', true ), - '#https?://(www\.)?scribd\.com/(doc|document)/.*#i' => array( 'https://www.scribd.com/services/oembed', true ), - '#https?://wordpress\.tv/.*#i' => array( 'https://wordpress.tv/oembed/', true ), - '#https?://(.+\.)?polldaddy\.com/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ), - '#https?://poll\.fm/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ), - '#https?://(.+\.)?survey\.fm/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ), - '#https?://(www\.)?twitter\.com/\w{1,15}/status(es)?/.*#i' => array( 'https://publish.twitter.com/oembed', true ), - '#https?://(www\.)?twitter\.com/\w{1,15}$#i' => array( 'https://publish.twitter.com/oembed', true ), - '#https?://(www\.)?twitter\.com/\w{1,15}/likes$#i' => array( 'https://publish.twitter.com/oembed', true ), - '#https?://(www\.)?twitter\.com/\w{1,15}/lists/.*#i' => array( 'https://publish.twitter.com/oembed', true ), - '#https?://(www\.)?twitter\.com/\w{1,15}/timelines/.*#i' => array( 'https://publish.twitter.com/oembed', true ), - '#https?://(www\.)?twitter\.com/i/moments/.*#i' => array( 'https://publish.twitter.com/oembed', true ), - '#https?://(www\.)?soundcloud\.com/.*#i' => array( 'https://soundcloud.com/oembed', true ), - '#https?://(.+?\.)?slideshare\.net/.*#i' => array( 'https://www.slideshare.net/api/oembed/2', true ), - '#https?://(www\.)?instagr(\.am|am\.com)/(p|tv)/.*#i' => array( 'https://api.instagram.com/oembed', true ), - '#https?://(open|play)\.spotify\.com/.*#i' => array( 'https://embed.spotify.com/oembed/', true ), - '#https?://(.+\.)?imgur\.com/.*#i' => array( 'https://api.imgur.com/oembed', true ), - '#https?://(www\.)?meetu(\.ps|p\.com)/.*#i' => array( 'https://api.meetup.com/oembed', true ), - '#https?://(www\.)?issuu\.com/.+/docs/.+#i' => array( 'https://issuu.com/oembed_wp', true ), - '#https?://(www\.)?collegehumor\.com/video/.*#i' => array( 'https://www.collegehumor.com/oembed.{format}', true ), - '#https?://(www\.)?mixcloud\.com/.*#i' => array( 'https://www.mixcloud.com/oembed', true ), - '#https?://(www\.|embed\.)?ted\.com/talks/.*#i' => array( 'https://www.ted.com/services/v1/oembed.{format}', true ), - '#https?://(www\.)?(animoto|video214)\.com/play/.*#i' => array( 'https://animoto.com/oembeds/create', true ), - '#https?://(.+)\.tumblr\.com/post/.*#i' => array( 'https://www.tumblr.com/oembed/1.0', true ), - '#https?://(www\.)?kickstarter\.com/projects/.*#i' => array( 'https://www.kickstarter.com/services/oembed', true ), - '#https?://kck\.st/.*#i' => array( 'https://www.kickstarter.com/services/oembed', true ), - '#https?://cloudup\.com/.*#i' => array( 'https://cloudup.com/oembed', true ), - '#https?://(www\.)?reverbnation\.com/.*#i' => array( 'https://www.reverbnation.com/oembed', true ), - '#https?://videopress\.com/v/.*#' => array( 'https://public-api.wordpress.com/oembed/?for=' . $host, true ), - '#https?://(www\.)?reddit\.com/r/[^/]+/comments/.*#i' => array( 'https://www.reddit.com/oembed', true ), - '#https?://(www\.)?speakerdeck\.com/.*#i' => array( 'https://speakerdeck.com/oembed.{format}', true ), - '#https?://www\.facebook\.com/.*/posts/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/.*/activity/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/.*/photos/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/photo(s/|\.php).*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/permalink\.php.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/media/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/questions/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/notes/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), - '#https?://www\.facebook\.com/.*/videos/.*#i' => array( 'https://www.facebook.com/plugins/video/oembed.json/', true ), - '#https?://www\.facebook\.com/video\.php.*#i' => array( 'https://www.facebook.com/plugins/video/oembed.json/', true ), - '#https?://(www\.)?screencast\.com/.*#i' => array( 'https://api.screencast.com/external/oembed', true ), - '#https?://([a-z0-9-]+\.)?amazon\.(com|com\.mx|com\.br|ca)/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ), - '#https?://([a-z0-9-]+\.)?amazon\.(co\.uk|de|fr|it|es|in|nl|ru)/.*#i' => array( 'https://read.amazon.co.uk/kp/api/oembed', true ), - '#https?://([a-z0-9-]+\.)?amazon\.(co\.jp|com\.au)/.*#i' => array( 'https://read.amazon.com.au/kp/api/oembed', true ), - '#https?://([a-z0-9-]+\.)?amazon\.cn/.*#i' => array( 'https://read.amazon.cn/kp/api/oembed', true ), - '#https?://(www\.)?a\.co/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ), - '#https?://(www\.)?amzn\.to/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ), - '#https?://(www\.)?amzn\.eu/.*#i' => array( 'https://read.amazon.co.uk/kp/api/oembed', true ), - '#https?://(www\.)?amzn\.in/.*#i' => array( 'https://read.amazon.in/kp/api/oembed', true ), - '#https?://(www\.)?amzn\.asia/.*#i' => array( 'https://read.amazon.com.au/kp/api/oembed', true ), - '#https?://(www\.)?z\.cn/.*#i' => array( 'https://read.amazon.cn/kp/api/oembed', true ), - '#https?://www\.someecards\.com/.+-cards/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ), - '#https?://www\.someecards\.com/usercards/viewcard/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ), - '#https?://some\.ly\/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ), - ); - - if ( ! empty( self::$early_providers['add'] ) ) { - foreach ( self::$early_providers['add'] as $format => $data ) { - $providers[ $format ] = $data; - } - } - - if ( ! empty( self::$early_providers['remove'] ) ) { - foreach ( self::$early_providers['remove'] as $format ) { - unset( $providers[ $format ] ); - } - } - - self::$early_providers = array(); - - /** - * Filters the list of whitelisted oEmbed providers. - * - * Since WordPress 4.4, oEmbed discovery is enabled for all users and allows embedding of sanitized - * iframes. The providers in this list are whitelisted, meaning they are trusted and allowed to - * embed any content, such as iframes, videos, JavaScript, and arbitrary HTML. - * - * Supported providers: - * - * | Provider | Flavor | Since | - * | ------------ | ----------------------------------------- | ------- | - * | Dailymotion | dailymotion.com | 2.9.0 | - * | Flickr | flickr.com | 2.9.0 | - * | Hulu | hulu.com | 2.9.0 | - * | Scribd | scribd.com | 2.9.0 | - * | Vimeo | vimeo.com | 2.9.0 | - * | WordPress.tv | wordpress.tv | 2.9.0 | - * | YouTube | youtube.com/watch | 2.9.0 | - * | Crowdsignal | polldaddy.com | 3.0.0 | - * | SmugMug | smugmug.com | 3.0.0 | - * | YouTube | youtu.be | 3.0.0 | - * | Twitter | twitter.com | 3.4.0 | - * | Instagram | instagram.com | 3.5.0 | - * | Instagram | instagr.am | 3.5.0 | - * | Slideshare | slideshare.net | 3.5.0 | - * | SoundCloud | soundcloud.com | 3.5.0 | - * | Dailymotion | dai.ly | 3.6.0 | - * | Flickr | flic.kr | 3.6.0 | - * | Spotify | spotify.com | 3.6.0 | - * | Imgur | imgur.com | 3.9.0 | - * | Meetup.com | meetup.com | 3.9.0 | - * | Meetup.com | meetu.ps | 3.9.0 | - * | Animoto | animoto.com | 4.0.0 | - * | Animoto | video214.com | 4.0.0 | - * | CollegeHumor | collegehumor.com | 4.0.0 | - * | Issuu | issuu.com | 4.0.0 | - * | Mixcloud | mixcloud.com | 4.0.0 | - * | Crowdsignal | poll.fm | 4.0.0 | - * | TED | ted.com | 4.0.0 | - * | YouTube | youtube.com/playlist | 4.0.0 | - * | Tumblr | tumblr.com | 4.2.0 | - * | Kickstarter | kickstarter.com | 4.2.0 | - * | Kickstarter | kck.st | 4.2.0 | - * | Cloudup | cloudup.com | 4.3.0 | - * | ReverbNation | reverbnation.com | 4.4.0 | - * | VideoPress | videopress.com | 4.4.0 | - * | Reddit | reddit.com | 4.4.0 | - * | Speaker Deck | speakerdeck.com | 4.4.0 | - * | Twitter | twitter.com/timelines | 4.5.0 | - * | Twitter | twitter.com/moments | 4.5.0 | - * | Facebook | facebook.com | 4.7.0 | - * | Twitter | twitter.com/user | 4.7.0 | - * | Twitter | twitter.com/likes | 4.7.0 | - * | Twitter | twitter.com/lists | 4.7.0 | - * | Screencast | screencast.com | 4.8.0 | - * | Amazon | amazon.com (com.mx, com.br, ca) | 4.9.0 | - * | Amazon | amazon.de (fr, it, es, in, nl, ru, co.uk) | 4.9.0 | - * | Amazon | amazon.co.jp (com.au) | 4.9.0 | - * | Amazon | amazon.cn | 4.9.0 | - * | Amazon | a.co | 4.9.0 | - * | Amazon | amzn.to (eu, in, asia) | 4.9.0 | - * | Amazon | z.cn | 4.9.0 | - * | Someecards | someecards.com | 4.9.0 | - * | Someecards | some.ly | 4.9.0 | - * | Crowdsignal | survey.fm | 5.1.0 | - * | Instagram TV | instagram.com | 5.1.0 | - * | Instagram TV | instagr.am | 5.1.0 | - * - * No longer supported providers: - * - * | Provider | Flavor | Since | Removed | - * | ------------ | -------------------- | --------- | --------- | - * | Qik | qik.com | 2.9.0 | 3.9.0 | - * | Viddler | viddler.com | 2.9.0 | 4.0.0 | - * | Revision3 | revision3.com | 2.9.0 | 4.2.0 | - * | Blip | blip.tv | 2.9.0 | 4.4.0 | - * | Rdio | rdio.com | 3.6.0 | 4.4.1 | - * | Rdio | rd.io | 3.6.0 | 4.4.1 | - * | Vine | vine.co | 4.1.0 | 4.9.0 | - * | Photobucket | photobucket.com | 2.9.0 | 5.1.0 | - * | Funny or Die | funnyordie.com | 3.0.0 | 5.1.0 | - * - * @see wp_oembed_add_provider() - * - * @since 2.9.0 - * - * @param array[] $providers An array of arrays containing data about popular oEmbed providers. - */ - $this->providers = apply_filters( 'oembed_providers', $providers ); - - // Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop(). - add_filter( 'oembed_dataparse', array( $this, '_strip_newlines' ), 10, 3 ); - } - - /** - * Exposes private/protected methods for backward compatibility. - * - * @since 4.0.0 - * - * @param string $name Method to call. - * @param array $arguments Arguments to pass when calling. - * @return mixed|bool Return value of the callback, false otherwise. - */ - public function __call( $name, $arguments ) { - if ( in_array( $name, $this->compat_methods ) ) { - return call_user_func_array( array( $this, $name ), $arguments ); - } - return false; - } - - /** - * Takes a URL and returns the corresponding oEmbed provider's URL, if there is one. - * - * @since 4.0.0 - * - * @see WP_oEmbed::discover() - * - * @param string $url The URL to the content. - * @param string|array $args Optional provider arguments. - * @return false|string False on failure, otherwise the oEmbed provider URL. - */ - public function get_provider( $url, $args = '' ) { - $args = wp_parse_args( $args ); - - $provider = false; - - if ( ! isset( $args['discover'] ) ) { - $args['discover'] = true; - } - - foreach ( $this->providers as $matchmask => $data ) { - list( $providerurl, $regex ) = $data; - - // Turn the asterisk-type provider URLs into regex - if ( ! $regex ) { - $matchmask = '#' . str_replace( '___wildcard___', '(.+)', preg_quote( str_replace( '*', '___wildcard___', $matchmask ), '#' ) ) . '#i'; - $matchmask = preg_replace( '|^#http\\\://|', '#https?\://', $matchmask ); - } - - if ( preg_match( $matchmask, $url ) ) { - $provider = str_replace( '{format}', 'json', $providerurl ); // JSON is easier to deal with than XML - break; - } - } - - if ( ! $provider && $args['discover'] ) { - $provider = $this->discover( $url ); - } - - return $provider; - } - - /** - * Adds an oEmbed provider. - * - * The provider is added just-in-time when wp_oembed_add_provider() is called before - * the {@see 'plugins_loaded'} hook. - * - * The just-in-time addition is for the benefit of the {@see 'oembed_providers'} filter. - * - * @since 4.0.0 - * - * @see wp_oembed_add_provider() - * - * @param string $format Format of URL that this provider can handle. You can use - * asterisks as wildcards. - * @param string $provider The URL to the oEmbed provider.. - * @param bool $regex Optional. Whether the $format parameter is in a regex format. - * Default false. - */ - public static function _add_provider_early( $format, $provider, $regex = false ) { - if ( empty( self::$early_providers['add'] ) ) { - self::$early_providers['add'] = array(); - } - - self::$early_providers['add'][ $format ] = array( $provider, $regex ); - } - - /** - * Removes an oEmbed provider. - * - * The provider is removed just-in-time when wp_oembed_remove_provider() is called before - * the {@see 'plugins_loaded'} hook. - * - * The just-in-time removal is for the benefit of the {@see 'oembed_providers'} filter. - * - * @since 4.0.0 - * - * @see wp_oembed_remove_provider() - * - * @param string $format The format of URL that this provider can handle. You can use - * asterisks as wildcards. - */ - public static function _remove_provider_early( $format ) { - if ( empty( self::$early_providers['remove'] ) ) { - self::$early_providers['remove'] = array(); - } - - self::$early_providers['remove'][] = $format; - } - - /** - * Takes a URL and attempts to return the oEmbed data. - * - * @see WP_oEmbed::fetch() - * - * @since 4.8.0 - * - * @param string $url The URL to the content that should be attempted to be embedded. - * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty. - * @return false|object False on failure, otherwise the result in the form of an object. - */ - public function get_data( $url, $args = '' ) { - $args = wp_parse_args( $args ); - - $provider = $this->get_provider( $url, $args ); - - if ( ! $provider ) { - return false; - } - - $data = $this->fetch( $provider, $url, $args ); - - if ( false === $data ) { - return false; - } - - return $data; - } - - /** - * The do-it-all function that takes a URL and attempts to return the HTML. - * - * @see WP_oEmbed::fetch() - * @see WP_oEmbed::data2html() - * - * @since 2.9.0 - * - * @param string $url The URL to the content that should be attempted to be embedded. - * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty. - * @return false|string False on failure, otherwise the UNSANITIZED (and potentially unsafe) HTML that should be used to embed. - */ - public function get_html( $url, $args = '' ) { - /** - * Filters the oEmbed result before any HTTP requests are made. - * - * This allows one to short-circuit the default logic, perhaps by - * replacing it with a routine that is more optimal for your setup. - * - * Passing a non-null value to the filter will effectively short-circuit retrieval, - * returning the passed value instead. - * - * @since 4.5.3 - * - * @param null|string $result The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. Default null. - * @param string $url The URL to the content that should be attempted to be embedded. - * @param array $args Optional. Arguments, usually passed from a shortcode. Default empty. - */ - $pre = apply_filters( 'pre_oembed_result', null, $url, $args ); - - if ( null !== $pre ) { - return $pre; - } - - $data = $this->get_data( $url, $args ); - - if ( false === $data ) { - return false; - } - - /** - * Filters the HTML returned by the oEmbed provider. - * - * @since 2.9.0 - * - * @param string|false $data The returned oEmbed HTML (false if unsafe). - * @param string $url URL of the content to be embedded. - * @param array $args Optional arguments, usually passed from a shortcode. - */ - return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args ); - } - - /** - * Attempts to discover link tags at the given URL for an oEmbed provider. - * - * @since 2.9.0 - * - * @param string $url The URL that should be inspected for discovery `` tags. - * @return false|string False on failure, otherwise the oEmbed provider URL. - */ - public function discover( $url ) { - $providers = array(); - $args = array( - 'limit_response_size' => 153600, // 150 KB - ); - - /** - * Filters oEmbed remote get arguments. - * - * @since 4.0.0 - * - * @see WP_Http::request() - * - * @param array $args oEmbed remote get arguments. - * @param string $url URL to be inspected. - */ - $args = apply_filters( 'oembed_remote_get_args', $args, $url ); - - // Fetch URL content - $request = wp_safe_remote_get( $url, $args ); - $html = wp_remote_retrieve_body( $request ); - if ( $html ) { - - /** - * Filters the link types that contain oEmbed provider URLs. - * - * @since 2.9.0 - * - * @param string[] $format Array of oEmbed link types. Accepts 'application/json+oembed', - * 'text/xml+oembed', and 'application/xml+oembed' (incorrect, - * used by at least Vimeo). - */ - $linktypes = apply_filters( - 'oembed_linktypes', - array( - 'application/json+oembed' => 'json', - 'text/xml+oembed' => 'xml', - 'application/xml+oembed' => 'xml', - ) - ); - - // Strip - $html_head_end = stripos( $html, '' ); - if ( $html_head_end ) { - $html = substr( $html, 0, $html_head_end ); - } - - // Do a quick check - $tagfound = false; - foreach ( $linktypes as $linktype => $format ) { - if ( stripos( $html, $linktype ) ) { - $tagfound = true; - break; - } - } - - if ( $tagfound && preg_match_all( '#]+)/?>#iU', $html, $links ) ) { - foreach ( $links[1] as $link ) { - $atts = shortcode_parse_atts( $link ); - - if ( ! empty( $atts['type'] ) && ! empty( $linktypes[ $atts['type'] ] ) && ! empty( $atts['href'] ) ) { - $providers[ $linktypes[ $atts['type'] ] ] = htmlspecialchars_decode( $atts['href'] ); - - // Stop here if it's JSON (that's all we need) - if ( 'json' == $linktypes[ $atts['type'] ] ) { - break; - } - } - } - } - } - - // JSON is preferred to XML - if ( ! empty( $providers['json'] ) ) { - return $providers['json']; - } elseif ( ! empty( $providers['xml'] ) ) { - return $providers['xml']; - } else { - return false; - } - } - - /** - * Connects to a oEmbed provider and returns the result. - * - * @since 2.9.0 - * - * @param string $provider The URL to the oEmbed provider. - * @param string $url The URL to the content that is desired to be embedded. - * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty. - * @return false|object False on failure, otherwise the result in the form of an object. - */ - public function fetch( $provider, $url, $args = '' ) { - $args = wp_parse_args( $args, wp_embed_defaults( $url ) ); - - $provider = add_query_arg( 'maxwidth', (int) $args['width'], $provider ); - $provider = add_query_arg( 'maxheight', (int) $args['height'], $provider ); - $provider = add_query_arg( 'url', urlencode( $url ), $provider ); - $provider = add_query_arg( 'dnt', 1, $provider ); - - /** - * Filters the oEmbed URL to be fetched. - * - * @since 2.9.0 - * @since 4.9.0 The `dnt` (Do Not Track) query parameter was added to all oEmbed provider URLs. - * - * @param string $provider URL of the oEmbed provider. - * @param string $url URL of the content to be embedded. - * @param array $args Optional arguments, usually passed from a shortcode. - */ - $provider = apply_filters( 'oembed_fetch_url', $provider, $url, $args ); - - foreach ( array( 'json', 'xml' ) as $format ) { - $result = $this->_fetch_with_format( $provider, $format ); - if ( is_wp_error( $result ) && 'not-implemented' == $result->get_error_code() ) { - continue; - } - return ( $result && ! is_wp_error( $result ) ) ? $result : false; - } - return false; - } - - /** - * Fetches result from an oEmbed provider for a specific format and complete provider URL - * - * @since 3.0.0 - * - * @param string $provider_url_with_args URL to the provider with full arguments list (url, maxheight, etc.) - * @param string $format Format to use - * @return false|object|WP_Error False on failure, otherwise the result in the form of an object. - */ - private function _fetch_with_format( $provider_url_with_args, $format ) { - $provider_url_with_args = add_query_arg( 'format', $format, $provider_url_with_args ); - - /** This filter is documented in wp-includes/class-oembed.php */ - $args = apply_filters( 'oembed_remote_get_args', array(), $provider_url_with_args ); - - $response = wp_safe_remote_get( $provider_url_with_args, $args ); - if ( 501 == wp_remote_retrieve_response_code( $response ) ) { - return new WP_Error( 'not-implemented' ); - } - $body = wp_remote_retrieve_body( $response ); - if ( ! $body ) { - return false; - } - $parse_method = "_parse_$format"; - return $this->$parse_method( $body ); - } - - /** - * Parses a json response body. - * - * @since 3.0.0 - * - * @param string $response_body - * @return object|false - */ - private function _parse_json( $response_body ) { - $data = json_decode( trim( $response_body ) ); - return ( $data && is_object( $data ) ) ? $data : false; - } - - /** - * Parses an XML response body. - * - * @since 3.0.0 - * - * @param string $response_body - * @return object|false - */ - private function _parse_xml( $response_body ) { - if ( ! function_exists( 'libxml_disable_entity_loader' ) ) { - return false; - } - - $loader = libxml_disable_entity_loader( true ); - $errors = libxml_use_internal_errors( true ); - - $return = $this->_parse_xml_body( $response_body ); - - libxml_use_internal_errors( $errors ); - libxml_disable_entity_loader( $loader ); - - return $return; - } - - /** - * Serves as a helper function for parsing an XML response body. - * - * @since 3.6.0 - * - * @param string $response_body - * @return stdClass|false - */ - private function _parse_xml_body( $response_body ) { - if ( ! function_exists( 'simplexml_import_dom' ) || ! class_exists( 'DOMDocument', false ) ) { - return false; - } - - $dom = new DOMDocument; - $success = $dom->loadXML( $response_body ); - if ( ! $success ) { - return false; - } - - if ( isset( $dom->doctype ) ) { - return false; - } - - foreach ( $dom->childNodes as $child ) { - if ( XML_DOCUMENT_TYPE_NODE === $child->nodeType ) { - return false; - } - } - - $xml = simplexml_import_dom( $dom ); - if ( ! $xml ) { - return false; - } - - $return = new stdClass; - foreach ( $xml as $key => $value ) { - $return->$key = (string) $value; - } - - return $return; - } - - /** - * Converts a data object from WP_oEmbed::fetch() and returns the HTML. - * - * @since 2.9.0 - * - * @param object $data A data object result from an oEmbed provider. - * @param string $url The URL to the content that is desired to be embedded. - * @return false|string False on error, otherwise the HTML needed to embed. - */ - public function data2html( $data, $url ) { - if ( ! is_object( $data ) || empty( $data->type ) ) { - return false; - } - - $return = false; - - switch ( $data->type ) { - case 'photo': - if ( empty( $data->url ) || empty( $data->width ) || empty( $data->height ) ) { - break; - } - if ( ! is_string( $data->url ) || ! is_numeric( $data->width ) || ! is_numeric( $data->height ) ) { - break; - } - - $title = ! empty( $data->title ) && is_string( $data->title ) ? $data->title : ''; - $return = '' . esc_attr( $title ) . ''; - break; - - case 'video': - case 'rich': - if ( ! empty( $data->html ) && is_string( $data->html ) ) { - $return = $data->html; - } - break; - - case 'link': - if ( ! empty( $data->title ) && is_string( $data->title ) ) { - $return = '' . esc_html( $data->title ) . ''; - } - break; - - default: - $return = false; - } - - /** - * Filters the returned oEmbed HTML. - * - * Use this filter to add support for custom data types, or to filter the result. - * - * @since 2.9.0 - * - * @param string $return The returned oEmbed HTML. - * @param object $data A data object result from an oEmbed provider. - * @param string $url The URL of the content to be embedded. - */ - return apply_filters( 'oembed_dataparse', $return, $data, $url ); - } - - /** - * Strips any new lines from the HTML. - * - * @since 2.9.0 as strip_scribd_newlines() - * @since 3.0.0 - * - * @param string $html Existing HTML. - * @param object $data Data object from WP_oEmbed::data2html() - * @param string $url The original URL passed to oEmbed. - * @return string Possibly modified $html - */ - public function _strip_newlines( $html, $data, $url ) { - if ( false === strpos( $html, "\n" ) ) { - return $html; - } - - $count = 1; - $found = array(); - $token = '__PRE__'; - $search = array( "\t", "\n", "\r", ' ' ); - $replace = array( '__TAB__', '__NL__', '__CR__', '__SPACE__' ); - $tokenized = str_replace( $search, $replace, $html ); - - preg_match_all( '#(]*>.+?)#i', $tokenized, $matches, PREG_SET_ORDER ); - foreach ( $matches as $i => $match ) { - $tag_html = str_replace( $replace, $search, $match[0] ); - $tag_token = $token . $i; - - $found[ $tag_token ] = $tag_html; - $html = str_replace( $tag_html, $tag_token, $html, $count ); - } - - $replaced = str_replace( $replace, $search, $html ); - $stripped = str_replace( array( "\r\n", "\n" ), '', $replaced ); - $pre = array_values( $found ); - $tokens = array_keys( $found ); - - return str_replace( $tokens, $pre, $stripped ); - } -} +/** WP_oEmbed class */ +require_once( ABSPATH . 'wp-includes/class-wp-oembed.php' ); diff --git a/wp-includes/class-wp-oembed-controller.php b/wp-includes/class-wp-oembed-controller.php index 2b08516894..bbea8b74ae 100644 --- a/wp-includes/class-wp-oembed-controller.php +++ b/wp-includes/class-wp-oembed-controller.php @@ -194,7 +194,7 @@ final class WP_oEmbed_Controller { return new WP_Error( 'oembed_invalid_url', get_status_header_desc( 404 ), array( 'status' => 404 ) ); } - /** This filter is documented in wp-includes/class-oembed.php */ + /** This filter is documented in wp-includes/class-wp-oembed.php */ $data->html = apply_filters( 'oembed_result', _wp_oembed_get_object()->data2html( (object) $data, $url ), $url, $args ); /** diff --git a/wp-includes/class-wp-oembed.php b/wp-includes/class-wp-oembed.php new file mode 100644 index 0000000000..dce67fcb41 --- /dev/null +++ b/wp-includes/class-wp-oembed.php @@ -0,0 +1,750 @@ + array( 'https://www.youtube.com/oembed', true ), + '#https?://((m|www)\.)?youtube\.com/playlist.*#i' => array( 'https://www.youtube.com/oembed', true ), + '#https?://youtu\.be/.*#i' => array( 'https://www.youtube.com/oembed', true ), + '#https?://(.+\.)?vimeo\.com/.*#i' => array( 'https://vimeo.com/api/oembed.{format}', true ), + '#https?://(www\.)?dailymotion\.com/.*#i' => array( 'https://www.dailymotion.com/services/oembed', true ), + '#https?://dai\.ly/.*#i' => array( 'https://www.dailymotion.com/services/oembed', true ), + '#https?://(www\.)?flickr\.com/.*#i' => array( 'https://www.flickr.com/services/oembed/', true ), + '#https?://flic\.kr/.*#i' => array( 'https://www.flickr.com/services/oembed/', true ), + '#https?://(.+\.)?smugmug\.com/.*#i' => array( 'https://api.smugmug.com/services/oembed/', true ), + '#https?://(www\.)?hulu\.com/watch/.*#i' => array( 'https://www.hulu.com/api/oembed.{format}', true ), + '#https?://(www\.)?scribd\.com/(doc|document)/.*#i' => array( 'https://www.scribd.com/services/oembed', true ), + '#https?://wordpress\.tv/.*#i' => array( 'https://wordpress.tv/oembed/', true ), + '#https?://(.+\.)?polldaddy\.com/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ), + '#https?://poll\.fm/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ), + '#https?://(.+\.)?survey\.fm/.*#i' => array( 'https://api.crowdsignal.com/oembed', true ), + '#https?://(www\.)?twitter\.com/\w{1,15}/status(es)?/.*#i' => array( 'https://publish.twitter.com/oembed', true ), + '#https?://(www\.)?twitter\.com/\w{1,15}$#i' => array( 'https://publish.twitter.com/oembed', true ), + '#https?://(www\.)?twitter\.com/\w{1,15}/likes$#i' => array( 'https://publish.twitter.com/oembed', true ), + '#https?://(www\.)?twitter\.com/\w{1,15}/lists/.*#i' => array( 'https://publish.twitter.com/oembed', true ), + '#https?://(www\.)?twitter\.com/\w{1,15}/timelines/.*#i' => array( 'https://publish.twitter.com/oembed', true ), + '#https?://(www\.)?twitter\.com/i/moments/.*#i' => array( 'https://publish.twitter.com/oembed', true ), + '#https?://(www\.)?soundcloud\.com/.*#i' => array( 'https://soundcloud.com/oembed', true ), + '#https?://(.+?\.)?slideshare\.net/.*#i' => array( 'https://www.slideshare.net/api/oembed/2', true ), + '#https?://(www\.)?instagr(\.am|am\.com)/(p|tv)/.*#i' => array( 'https://api.instagram.com/oembed', true ), + '#https?://(open|play)\.spotify\.com/.*#i' => array( 'https://embed.spotify.com/oembed/', true ), + '#https?://(.+\.)?imgur\.com/.*#i' => array( 'https://api.imgur.com/oembed', true ), + '#https?://(www\.)?meetu(\.ps|p\.com)/.*#i' => array( 'https://api.meetup.com/oembed', true ), + '#https?://(www\.)?issuu\.com/.+/docs/.+#i' => array( 'https://issuu.com/oembed_wp', true ), + '#https?://(www\.)?collegehumor\.com/video/.*#i' => array( 'https://www.collegehumor.com/oembed.{format}', true ), + '#https?://(www\.)?mixcloud\.com/.*#i' => array( 'https://www.mixcloud.com/oembed', true ), + '#https?://(www\.|embed\.)?ted\.com/talks/.*#i' => array( 'https://www.ted.com/services/v1/oembed.{format}', true ), + '#https?://(www\.)?(animoto|video214)\.com/play/.*#i' => array( 'https://animoto.com/oembeds/create', true ), + '#https?://(.+)\.tumblr\.com/post/.*#i' => array( 'https://www.tumblr.com/oembed/1.0', true ), + '#https?://(www\.)?kickstarter\.com/projects/.*#i' => array( 'https://www.kickstarter.com/services/oembed', true ), + '#https?://kck\.st/.*#i' => array( 'https://www.kickstarter.com/services/oembed', true ), + '#https?://cloudup\.com/.*#i' => array( 'https://cloudup.com/oembed', true ), + '#https?://(www\.)?reverbnation\.com/.*#i' => array( 'https://www.reverbnation.com/oembed', true ), + '#https?://videopress\.com/v/.*#' => array( 'https://public-api.wordpress.com/oembed/?for=' . $host, true ), + '#https?://(www\.)?reddit\.com/r/[^/]+/comments/.*#i' => array( 'https://www.reddit.com/oembed', true ), + '#https?://(www\.)?speakerdeck\.com/.*#i' => array( 'https://speakerdeck.com/oembed.{format}', true ), + '#https?://www\.facebook\.com/.*/posts/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/.*/activity/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/.*/photos/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/photo(s/|\.php).*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/permalink\.php.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/media/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/questions/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/notes/.*#i' => array( 'https://www.facebook.com/plugins/post/oembed.json/', true ), + '#https?://www\.facebook\.com/.*/videos/.*#i' => array( 'https://www.facebook.com/plugins/video/oembed.json/', true ), + '#https?://www\.facebook\.com/video\.php.*#i' => array( 'https://www.facebook.com/plugins/video/oembed.json/', true ), + '#https?://(www\.)?screencast\.com/.*#i' => array( 'https://api.screencast.com/external/oembed', true ), + '#https?://([a-z0-9-]+\.)?amazon\.(com|com\.mx|com\.br|ca)/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ), + '#https?://([a-z0-9-]+\.)?amazon\.(co\.uk|de|fr|it|es|in|nl|ru)/.*#i' => array( 'https://read.amazon.co.uk/kp/api/oembed', true ), + '#https?://([a-z0-9-]+\.)?amazon\.(co\.jp|com\.au)/.*#i' => array( 'https://read.amazon.com.au/kp/api/oembed', true ), + '#https?://([a-z0-9-]+\.)?amazon\.cn/.*#i' => array( 'https://read.amazon.cn/kp/api/oembed', true ), + '#https?://(www\.)?a\.co/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ), + '#https?://(www\.)?amzn\.to/.*#i' => array( 'https://read.amazon.com/kp/api/oembed', true ), + '#https?://(www\.)?amzn\.eu/.*#i' => array( 'https://read.amazon.co.uk/kp/api/oembed', true ), + '#https?://(www\.)?amzn\.in/.*#i' => array( 'https://read.amazon.in/kp/api/oembed', true ), + '#https?://(www\.)?amzn\.asia/.*#i' => array( 'https://read.amazon.com.au/kp/api/oembed', true ), + '#https?://(www\.)?z\.cn/.*#i' => array( 'https://read.amazon.cn/kp/api/oembed', true ), + '#https?://www\.someecards\.com/.+-cards/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ), + '#https?://www\.someecards\.com/usercards/viewcard/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ), + '#https?://some\.ly\/.+#i' => array( 'https://www.someecards.com/v2/oembed/', true ), + ); + + if ( ! empty( self::$early_providers['add'] ) ) { + foreach ( self::$early_providers['add'] as $format => $data ) { + $providers[ $format ] = $data; + } + } + + if ( ! empty( self::$early_providers['remove'] ) ) { + foreach ( self::$early_providers['remove'] as $format ) { + unset( $providers[ $format ] ); + } + } + + self::$early_providers = array(); + + /** + * Filters the list of whitelisted oEmbed providers. + * + * Since WordPress 4.4, oEmbed discovery is enabled for all users and allows embedding of sanitized + * iframes. The providers in this list are whitelisted, meaning they are trusted and allowed to + * embed any content, such as iframes, videos, JavaScript, and arbitrary HTML. + * + * Supported providers: + * + * | Provider | Flavor | Since | + * | ------------ | ----------------------------------------- | ------- | + * | Dailymotion | dailymotion.com | 2.9.0 | + * | Flickr | flickr.com | 2.9.0 | + * | Hulu | hulu.com | 2.9.0 | + * | Scribd | scribd.com | 2.9.0 | + * | Vimeo | vimeo.com | 2.9.0 | + * | WordPress.tv | wordpress.tv | 2.9.0 | + * | YouTube | youtube.com/watch | 2.9.0 | + * | Crowdsignal | polldaddy.com | 3.0.0 | + * | SmugMug | smugmug.com | 3.0.0 | + * | YouTube | youtu.be | 3.0.0 | + * | Twitter | twitter.com | 3.4.0 | + * | Instagram | instagram.com | 3.5.0 | + * | Instagram | instagr.am | 3.5.0 | + * | Slideshare | slideshare.net | 3.5.0 | + * | SoundCloud | soundcloud.com | 3.5.0 | + * | Dailymotion | dai.ly | 3.6.0 | + * | Flickr | flic.kr | 3.6.0 | + * | Spotify | spotify.com | 3.6.0 | + * | Imgur | imgur.com | 3.9.0 | + * | Meetup.com | meetup.com | 3.9.0 | + * | Meetup.com | meetu.ps | 3.9.0 | + * | Animoto | animoto.com | 4.0.0 | + * | Animoto | video214.com | 4.0.0 | + * | CollegeHumor | collegehumor.com | 4.0.0 | + * | Issuu | issuu.com | 4.0.0 | + * | Mixcloud | mixcloud.com | 4.0.0 | + * | Crowdsignal | poll.fm | 4.0.0 | + * | TED | ted.com | 4.0.0 | + * | YouTube | youtube.com/playlist | 4.0.0 | + * | Tumblr | tumblr.com | 4.2.0 | + * | Kickstarter | kickstarter.com | 4.2.0 | + * | Kickstarter | kck.st | 4.2.0 | + * | Cloudup | cloudup.com | 4.3.0 | + * | ReverbNation | reverbnation.com | 4.4.0 | + * | VideoPress | videopress.com | 4.4.0 | + * | Reddit | reddit.com | 4.4.0 | + * | Speaker Deck | speakerdeck.com | 4.4.0 | + * | Twitter | twitter.com/timelines | 4.5.0 | + * | Twitter | twitter.com/moments | 4.5.0 | + * | Facebook | facebook.com | 4.7.0 | + * | Twitter | twitter.com/user | 4.7.0 | + * | Twitter | twitter.com/likes | 4.7.0 | + * | Twitter | twitter.com/lists | 4.7.0 | + * | Screencast | screencast.com | 4.8.0 | + * | Amazon | amazon.com (com.mx, com.br, ca) | 4.9.0 | + * | Amazon | amazon.de (fr, it, es, in, nl, ru, co.uk) | 4.9.0 | + * | Amazon | amazon.co.jp (com.au) | 4.9.0 | + * | Amazon | amazon.cn | 4.9.0 | + * | Amazon | a.co | 4.9.0 | + * | Amazon | amzn.to (eu, in, asia) | 4.9.0 | + * | Amazon | z.cn | 4.9.0 | + * | Someecards | someecards.com | 4.9.0 | + * | Someecards | some.ly | 4.9.0 | + * | Crowdsignal | survey.fm | 5.1.0 | + * | Instagram TV | instagram.com | 5.1.0 | + * | Instagram TV | instagr.am | 5.1.0 | + * + * No longer supported providers: + * + * | Provider | Flavor | Since | Removed | + * | ------------ | -------------------- | --------- | --------- | + * | Qik | qik.com | 2.9.0 | 3.9.0 | + * | Viddler | viddler.com | 2.9.0 | 4.0.0 | + * | Revision3 | revision3.com | 2.9.0 | 4.2.0 | + * | Blip | blip.tv | 2.9.0 | 4.4.0 | + * | Rdio | rdio.com | 3.6.0 | 4.4.1 | + * | Rdio | rd.io | 3.6.0 | 4.4.1 | + * | Vine | vine.co | 4.1.0 | 4.9.0 | + * | Photobucket | photobucket.com | 2.9.0 | 5.1.0 | + * | Funny or Die | funnyordie.com | 3.0.0 | 5.1.0 | + * + * @see wp_oembed_add_provider() + * + * @since 2.9.0 + * + * @param array[] $providers An array of arrays containing data about popular oEmbed providers. + */ + $this->providers = apply_filters( 'oembed_providers', $providers ); + + // Fix any embeds that contain new lines in the middle of the HTML which breaks wpautop(). + add_filter( 'oembed_dataparse', array( $this, '_strip_newlines' ), 10, 3 ); + } + + /** + * Exposes private/protected methods for backward compatibility. + * + * @since 4.0.0 + * + * @param string $name Method to call. + * @param array $arguments Arguments to pass when calling. + * @return mixed|bool Return value of the callback, false otherwise. + */ + public function __call( $name, $arguments ) { + if ( in_array( $name, $this->compat_methods ) ) { + return call_user_func_array( array( $this, $name ), $arguments ); + } + return false; + } + + /** + * Takes a URL and returns the corresponding oEmbed provider's URL, if there is one. + * + * @since 4.0.0 + * + * @see WP_oEmbed::discover() + * + * @param string $url The URL to the content. + * @param string|array $args Optional provider arguments. + * @return false|string False on failure, otherwise the oEmbed provider URL. + */ + public function get_provider( $url, $args = '' ) { + $args = wp_parse_args( $args ); + + $provider = false; + + if ( ! isset( $args['discover'] ) ) { + $args['discover'] = true; + } + + foreach ( $this->providers as $matchmask => $data ) { + list( $providerurl, $regex ) = $data; + + // Turn the asterisk-type provider URLs into regex + if ( ! $regex ) { + $matchmask = '#' . str_replace( '___wildcard___', '(.+)', preg_quote( str_replace( '*', '___wildcard___', $matchmask ), '#' ) ) . '#i'; + $matchmask = preg_replace( '|^#http\\\://|', '#https?\://', $matchmask ); + } + + if ( preg_match( $matchmask, $url ) ) { + $provider = str_replace( '{format}', 'json', $providerurl ); // JSON is easier to deal with than XML + break; + } + } + + if ( ! $provider && $args['discover'] ) { + $provider = $this->discover( $url ); + } + + return $provider; + } + + /** + * Adds an oEmbed provider. + * + * The provider is added just-in-time when wp_oembed_add_provider() is called before + * the {@see 'plugins_loaded'} hook. + * + * The just-in-time addition is for the benefit of the {@see 'oembed_providers'} filter. + * + * @since 4.0.0 + * + * @see wp_oembed_add_provider() + * + * @param string $format Format of URL that this provider can handle. You can use + * asterisks as wildcards. + * @param string $provider The URL to the oEmbed provider.. + * @param bool $regex Optional. Whether the $format parameter is in a regex format. + * Default false. + */ + public static function _add_provider_early( $format, $provider, $regex = false ) { + if ( empty( self::$early_providers['add'] ) ) { + self::$early_providers['add'] = array(); + } + + self::$early_providers['add'][ $format ] = array( $provider, $regex ); + } + + /** + * Removes an oEmbed provider. + * + * The provider is removed just-in-time when wp_oembed_remove_provider() is called before + * the {@see 'plugins_loaded'} hook. + * + * The just-in-time removal is for the benefit of the {@see 'oembed_providers'} filter. + * + * @since 4.0.0 + * + * @see wp_oembed_remove_provider() + * + * @param string $format The format of URL that this provider can handle. You can use + * asterisks as wildcards. + */ + public static function _remove_provider_early( $format ) { + if ( empty( self::$early_providers['remove'] ) ) { + self::$early_providers['remove'] = array(); + } + + self::$early_providers['remove'][] = $format; + } + + /** + * Takes a URL and attempts to return the oEmbed data. + * + * @see WP_oEmbed::fetch() + * + * @since 4.8.0 + * + * @param string $url The URL to the content that should be attempted to be embedded. + * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty. + * @return false|object False on failure, otherwise the result in the form of an object. + */ + public function get_data( $url, $args = '' ) { + $args = wp_parse_args( $args ); + + $provider = $this->get_provider( $url, $args ); + + if ( ! $provider ) { + return false; + } + + $data = $this->fetch( $provider, $url, $args ); + + if ( false === $data ) { + return false; + } + + return $data; + } + + /** + * The do-it-all function that takes a URL and attempts to return the HTML. + * + * @see WP_oEmbed::fetch() + * @see WP_oEmbed::data2html() + * + * @since 2.9.0 + * + * @param string $url The URL to the content that should be attempted to be embedded. + * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty. + * @return false|string False on failure, otherwise the UNSANITIZED (and potentially unsafe) HTML that should be used to embed. + */ + public function get_html( $url, $args = '' ) { + /** + * Filters the oEmbed result before any HTTP requests are made. + * + * This allows one to short-circuit the default logic, perhaps by + * replacing it with a routine that is more optimal for your setup. + * + * Passing a non-null value to the filter will effectively short-circuit retrieval, + * returning the passed value instead. + * + * @since 4.5.3 + * + * @param null|string $result The UNSANITIZED (and potentially unsafe) HTML that should be used to embed. Default null. + * @param string $url The URL to the content that should be attempted to be embedded. + * @param array $args Optional. Arguments, usually passed from a shortcode. Default empty. + */ + $pre = apply_filters( 'pre_oembed_result', null, $url, $args ); + + if ( null !== $pre ) { + return $pre; + } + + $data = $this->get_data( $url, $args ); + + if ( false === $data ) { + return false; + } + + /** + * Filters the HTML returned by the oEmbed provider. + * + * @since 2.9.0 + * + * @param string|false $data The returned oEmbed HTML (false if unsafe). + * @param string $url URL of the content to be embedded. + * @param array $args Optional arguments, usually passed from a shortcode. + */ + return apply_filters( 'oembed_result', $this->data2html( $data, $url ), $url, $args ); + } + + /** + * Attempts to discover link tags at the given URL for an oEmbed provider. + * + * @since 2.9.0 + * + * @param string $url The URL that should be inspected for discovery `` tags. + * @return false|string False on failure, otherwise the oEmbed provider URL. + */ + public function discover( $url ) { + $providers = array(); + $args = array( + 'limit_response_size' => 153600, // 150 KB + ); + + /** + * Filters oEmbed remote get arguments. + * + * @since 4.0.0 + * + * @see WP_Http::request() + * + * @param array $args oEmbed remote get arguments. + * @param string $url URL to be inspected. + */ + $args = apply_filters( 'oembed_remote_get_args', $args, $url ); + + // Fetch URL content + $request = wp_safe_remote_get( $url, $args ); + $html = wp_remote_retrieve_body( $request ); + if ( $html ) { + + /** + * Filters the link types that contain oEmbed provider URLs. + * + * @since 2.9.0 + * + * @param string[] $format Array of oEmbed link types. Accepts 'application/json+oembed', + * 'text/xml+oembed', and 'application/xml+oembed' (incorrect, + * used by at least Vimeo). + */ + $linktypes = apply_filters( + 'oembed_linktypes', + array( + 'application/json+oembed' => 'json', + 'text/xml+oembed' => 'xml', + 'application/xml+oembed' => 'xml', + ) + ); + + // Strip + $html_head_end = stripos( $html, '' ); + if ( $html_head_end ) { + $html = substr( $html, 0, $html_head_end ); + } + + // Do a quick check + $tagfound = false; + foreach ( $linktypes as $linktype => $format ) { + if ( stripos( $html, $linktype ) ) { + $tagfound = true; + break; + } + } + + if ( $tagfound && preg_match_all( '#]+)/?>#iU', $html, $links ) ) { + foreach ( $links[1] as $link ) { + $atts = shortcode_parse_atts( $link ); + + if ( ! empty( $atts['type'] ) && ! empty( $linktypes[ $atts['type'] ] ) && ! empty( $atts['href'] ) ) { + $providers[ $linktypes[ $atts['type'] ] ] = htmlspecialchars_decode( $atts['href'] ); + + // Stop here if it's JSON (that's all we need) + if ( 'json' == $linktypes[ $atts['type'] ] ) { + break; + } + } + } + } + } + + // JSON is preferred to XML + if ( ! empty( $providers['json'] ) ) { + return $providers['json']; + } elseif ( ! empty( $providers['xml'] ) ) { + return $providers['xml']; + } else { + return false; + } + } + + /** + * Connects to a oEmbed provider and returns the result. + * + * @since 2.9.0 + * + * @param string $provider The URL to the oEmbed provider. + * @param string $url The URL to the content that is desired to be embedded. + * @param array|string $args Optional. Arguments, usually passed from a shortcode. Default empty. + * @return false|object False on failure, otherwise the result in the form of an object. + */ + public function fetch( $provider, $url, $args = '' ) { + $args = wp_parse_args( $args, wp_embed_defaults( $url ) ); + + $provider = add_query_arg( 'maxwidth', (int) $args['width'], $provider ); + $provider = add_query_arg( 'maxheight', (int) $args['height'], $provider ); + $provider = add_query_arg( 'url', urlencode( $url ), $provider ); + $provider = add_query_arg( 'dnt', 1, $provider ); + + /** + * Filters the oEmbed URL to be fetched. + * + * @since 2.9.0 + * @since 4.9.0 The `dnt` (Do Not Track) query parameter was added to all oEmbed provider URLs. + * + * @param string $provider URL of the oEmbed provider. + * @param string $url URL of the content to be embedded. + * @param array $args Optional arguments, usually passed from a shortcode. + */ + $provider = apply_filters( 'oembed_fetch_url', $provider, $url, $args ); + + foreach ( array( 'json', 'xml' ) as $format ) { + $result = $this->_fetch_with_format( $provider, $format ); + if ( is_wp_error( $result ) && 'not-implemented' == $result->get_error_code() ) { + continue; + } + return ( $result && ! is_wp_error( $result ) ) ? $result : false; + } + return false; + } + + /** + * Fetches result from an oEmbed provider for a specific format and complete provider URL + * + * @since 3.0.0 + * + * @param string $provider_url_with_args URL to the provider with full arguments list (url, maxheight, etc.) + * @param string $format Format to use + * @return false|object|WP_Error False on failure, otherwise the result in the form of an object. + */ + private function _fetch_with_format( $provider_url_with_args, $format ) { + $provider_url_with_args = add_query_arg( 'format', $format, $provider_url_with_args ); + + /** This filter is documented in wp-includes/class-wp-oembed.php */ + $args = apply_filters( 'oembed_remote_get_args', array(), $provider_url_with_args ); + + $response = wp_safe_remote_get( $provider_url_with_args, $args ); + if ( 501 == wp_remote_retrieve_response_code( $response ) ) { + return new WP_Error( 'not-implemented' ); + } + $body = wp_remote_retrieve_body( $response ); + if ( ! $body ) { + return false; + } + $parse_method = "_parse_$format"; + return $this->$parse_method( $body ); + } + + /** + * Parses a json response body. + * + * @since 3.0.0 + * + * @param string $response_body + * @return object|false + */ + private function _parse_json( $response_body ) { + $data = json_decode( trim( $response_body ) ); + return ( $data && is_object( $data ) ) ? $data : false; + } + + /** + * Parses an XML response body. + * + * @since 3.0.0 + * + * @param string $response_body + * @return object|false + */ + private function _parse_xml( $response_body ) { + if ( ! function_exists( 'libxml_disable_entity_loader' ) ) { + return false; + } + + $loader = libxml_disable_entity_loader( true ); + $errors = libxml_use_internal_errors( true ); + + $return = $this->_parse_xml_body( $response_body ); + + libxml_use_internal_errors( $errors ); + libxml_disable_entity_loader( $loader ); + + return $return; + } + + /** + * Serves as a helper function for parsing an XML response body. + * + * @since 3.6.0 + * + * @param string $response_body + * @return stdClass|false + */ + private function _parse_xml_body( $response_body ) { + if ( ! function_exists( 'simplexml_import_dom' ) || ! class_exists( 'DOMDocument', false ) ) { + return false; + } + + $dom = new DOMDocument; + $success = $dom->loadXML( $response_body ); + if ( ! $success ) { + return false; + } + + if ( isset( $dom->doctype ) ) { + return false; + } + + foreach ( $dom->childNodes as $child ) { + if ( XML_DOCUMENT_TYPE_NODE === $child->nodeType ) { + return false; + } + } + + $xml = simplexml_import_dom( $dom ); + if ( ! $xml ) { + return false; + } + + $return = new stdClass; + foreach ( $xml as $key => $value ) { + $return->$key = (string) $value; + } + + return $return; + } + + /** + * Converts a data object from WP_oEmbed::fetch() and returns the HTML. + * + * @since 2.9.0 + * + * @param object $data A data object result from an oEmbed provider. + * @param string $url The URL to the content that is desired to be embedded. + * @return false|string False on error, otherwise the HTML needed to embed. + */ + public function data2html( $data, $url ) { + if ( ! is_object( $data ) || empty( $data->type ) ) { + return false; + } + + $return = false; + + switch ( $data->type ) { + case 'photo': + if ( empty( $data->url ) || empty( $data->width ) || empty( $data->height ) ) { + break; + } + if ( ! is_string( $data->url ) || ! is_numeric( $data->width ) || ! is_numeric( $data->height ) ) { + break; + } + + $title = ! empty( $data->title ) && is_string( $data->title ) ? $data->title : ''; + $return = '' . esc_attr( $title ) . ''; + break; + + case 'video': + case 'rich': + if ( ! empty( $data->html ) && is_string( $data->html ) ) { + $return = $data->html; + } + break; + + case 'link': + if ( ! empty( $data->title ) && is_string( $data->title ) ) { + $return = '' . esc_html( $data->title ) . ''; + } + break; + + default: + $return = false; + } + + /** + * Filters the returned oEmbed HTML. + * + * Use this filter to add support for custom data types, or to filter the result. + * + * @since 2.9.0 + * + * @param string $return The returned oEmbed HTML. + * @param object $data A data object result from an oEmbed provider. + * @param string $url The URL of the content to be embedded. + */ + return apply_filters( 'oembed_dataparse', $return, $data, $url ); + } + + /** + * Strips any new lines from the HTML. + * + * @since 2.9.0 as strip_scribd_newlines() + * @since 3.0.0 + * + * @param string $html Existing HTML. + * @param object $data Data object from WP_oEmbed::data2html() + * @param string $url The original URL passed to oEmbed. + * @return string Possibly modified $html + */ + public function _strip_newlines( $html, $data, $url ) { + if ( false === strpos( $html, "\n" ) ) { + return $html; + } + + $count = 1; + $found = array(); + $token = '__PRE__'; + $search = array( "\t", "\n", "\r", ' ' ); + $replace = array( '__TAB__', '__NL__', '__CR__', '__SPACE__' ); + $tokenized = str_replace( $search, $replace, $html ); + + preg_match_all( '#(]*>.+?)#i', $tokenized, $matches, PREG_SET_ORDER ); + foreach ( $matches as $i => $match ) { + $tag_html = str_replace( $replace, $search, $match[0] ); + $tag_token = $token . $i; + + $found[ $tag_token ] = $tag_html; + $html = str_replace( $tag_html, $tag_token, $html, $count ); + } + + $replaced = str_replace( $replace, $search, $html ); + $stripped = str_replace( array( "\r\n", "\n" ), '', $replaced ); + $pre = array_values( $found ); + $tokens = array_keys( $found ); + + return str_replace( $tokens, $pre, $stripped ); + } +} diff --git a/wp-includes/version.php b/wp-includes/version.php index 1e444f55b4..5ac7707c53 100644 --- a/wp-includes/version.php +++ b/wp-includes/version.php @@ -13,7 +13,7 @@ * * @global string $wp_version */ -$wp_version = '5.3-alpha-45662'; +$wp_version = '5.3-alpha-45663'; /** * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. diff --git a/wp-settings.php b/wp-settings.php index 73611fe11a..2938438315 100644 --- a/wp-settings.php +++ b/wp-settings.php @@ -209,7 +209,7 @@ require( ABSPATH . WPINC . '/canonical.php' ); require( ABSPATH . WPINC . '/shortcodes.php' ); require( ABSPATH . WPINC . '/embed.php' ); require( ABSPATH . WPINC . '/class-wp-embed.php' ); -require( ABSPATH . WPINC . '/class-oembed.php' ); +require( ABSPATH . WPINC . '/class-wp-oembed.php' ); require( ABSPATH . WPINC . '/class-wp-oembed-controller.php' ); require( ABSPATH . WPINC . '/media.php' ); require( ABSPATH . WPINC . '/http.php' );