handlers = $wp_embed->handlers; if ( bp_use_embed_in_activity() ) { add_filter( 'bp_get_activity_content_body', array( &$this, 'autoembed' ), 8 ); add_filter( 'bp_get_activity_content_body', array( &$this, 'run_shortcode' ), 7 ); } if ( bp_use_embed_in_activity_replies() ) { add_filter( 'bp_get_activity_content', array( &$this, 'autoembed' ), 8 ); add_filter( 'bp_get_activity_content', array( &$this, 'run_shortcode' ), 7 ); } if ( bp_use_embed_in_private_messages() ) { add_filter( 'bp_get_the_thread_message_content', array( &$this, 'autoembed' ), 8 ); add_filter( 'bp_get_the_thread_message_content', array( &$this, 'run_shortcode' ), 7 ); } /** * Filters the BuddyPress Core oEmbed setup. * * @since 1.5.0 * * @param BP_Embed $this Current instance of the BP_Embed. Passed by reference. */ do_action_ref_array( 'bp_core_setup_oembed', array( &$this ) ); } /** * The {@link do_shortcode()} callback function. * * Attempts to convert a URL into embed HTML. Starts by checking the * URL against the regex of the registered embed handlers. Next, checks * the URL against the regex of registered {@link WP_oEmbed} providers * if oEmbed discovery is false. If none of the regex matches and it's * enabled, then the URL will be passed to {@link BP_Embed::parse_oembed()} * for oEmbed parsing. * * * @param array $attr Shortcode attributes. * @param string $url The URL attempting to be embeded. * @return string The embed HTML on success, otherwise the original URL. */ public function shortcode( $attr, $url = '' ) { if ( empty( $url ) ) return ''; $rawattr = $attr; $attr = bp_parse_args( $attr, wp_embed_defaults() ); // Use kses to convert & into & and we need to undo this // See https://core.trac.wordpress.org/ticket/11311. $url = str_replace( '&', '&', $url ); // Look for known internal handlers. ksort( $this->handlers ); foreach ( $this->handlers as $priority => $handlers ) { foreach ( $handlers as $hid => $handler ) { if ( preg_match( $handler['regex'], $url, $matches ) && is_callable( $handler['callback'] ) ) { if ( false !== $return = call_user_func( $handler['callback'], $matches, $attr, $url, $rawattr ) ) { /** * Filters the oEmbed handler result for the provided URL. * * @since 1.5.0 * * @param string $return Handler callback for the oEmbed. * @param string $url URL attempting to be embedded. * @param array $attr Shortcode attributes. */ return apply_filters( 'embed_handler_html', $return, $url, $attr ); } } } } /** * Filters the embed object ID. * * @since 1.5.0 * * @param int $value Value of zero. */ $id = apply_filters( 'embed_post_id', 0 ); // Since 4.4, WordPress is now an oEmbed provider. $unfiltered_html = true; $default_discovery = true; /** * Filters whether or not oEmbed discovery is on. * * @since 1.5.0 * @since 2.5.0 Default status of oEmbed discovery has been switched * to true to apply changes introduced in WordPress 4.4 * * @param bool $default_discovery Current status of oEmbed discovery. */ $attr['discover'] = ( apply_filters( 'bp_embed_oembed_discover', $default_discovery ) && $unfiltered_html ); // Set up a new WP oEmbed object to check URL with registered oEmbed providers. if ( file_exists( ABSPATH . WPINC . '/class-wp-oembed.php' ) ) { require_once( ABSPATH . WPINC . '/class-wp-oembed.php' ); } else { // class-oembed.php is deprecated in WordPress 5.3.0. require_once( ABSPATH . WPINC . '/class-oembed.php' ); } $oembed_obj = _wp_oembed_get_object(); // If oEmbed discovery is true, skip oEmbed provider check. $is_oembed_link = false; if ( !$attr['discover'] ) { foreach ( (array) $oembed_obj->providers as $provider_matchmask => $provider ) { $regex = ( $is_regex = $provider[1] ) ? $provider_matchmask : '#' . str_replace( '___wildcard___', '(.+)', preg_quote( str_replace( '*', '___wildcard___', $provider_matchmask ), '#' ) ) . '#i'; if ( preg_match( $regex, $url ) ) $is_oembed_link = true; } // If url doesn't match a WP oEmbed provider, stop parsing. if ( !$is_oembed_link ) return $this->maybe_make_link( $url ); } return $this->parse_oembed( $id, $url, $attr, $rawattr ); } /** * Base function so BP components/plugins can parse links to be embedded. * * View an example to add support in {@link bp_activity_embed()}. * * on success. * oEmbed failure. * * @param int $id ID to do the caching for. * @param string $url The URL attempting to be embedded. * @param array $attr Shortcode attributes from {@link WP_Embed::shortcode()}. * @param array $rawattr Untouched shortcode attributes from * {@link WP_Embed::shortcode()}. * @return string The embed HTML on success, otherwise the original URL. */ public function parse_oembed( $id, $url, $attr, $rawattr ) { $id = intval( $id ); if ( $id ) { // Setup the cachekey. $cachekey = '_oembed_' . md5( $url . serialize( $attr ) ); // Let components / plugins grab their cache. $cache = ''; /** * Filters the cache value to be used in the oEmbed, if exists. * * @since 1.5.0 * * @param string $cache Empty initial cache value. * @param int $id ID that the caching is for. * @param string $cachekey Key to use for the caching in the database. * @param string $url The URL attempting to be embedded. * @param array $attr Parsed shortcode attributes. * @param array $rawattr Unparsed shortcode attributes. */ $cache = apply_filters( 'bp_embed_get_cache', $cache, $id, $cachekey, $url, $attr, $rawattr ); // Grab cache and return it if available. if ( !empty( $cache ) ) { /** * Filters the found cache for the provided URL. * * @since 1.5.0 * * @param string $cache Cached HTML markup for embed. * @param string $url The URL being embedded. * @param array $attr Parsed shortcode attributes. * @param array $rawattr Unparased shortcode attributes. */ return apply_filters( 'bp_embed_oembed_html', $cache, $url, $attr, $rawattr ); // If no cache, ping the oEmbed provider and cache the result. } else { $html = wp_oembed_get( $url, $attr ); $cache = ( $html ) ? $html : $url; /** * Fires if there is no existing cache and triggers cache setting. * * Lets components / plugins save their cache. * * @since 1.5.0 * * @param string $cache Newly cached HTML markup for embed. * @param string $cachekey Key to use for the caching in the database. * @param int $id ID to do the caching for. */ do_action( 'bp_embed_update_cache', $cache, $cachekey, $id ); // If there was a result, return it. if ( $html ) { /** This filter is documented in bp-core/classes/class-bp-embed.php */ return apply_filters( 'bp_embed_oembed_html', $html, $url, $attr, $rawattr ); } } } // Still unknown. return $this->maybe_make_link( $url ); } }