ID ); if ( ! $tags ) { return ''; } $hash_tags = array(); foreach ( $tags as $tag ) { $hash_tags[] = \sprintf( '', \esc_url( \get_tag_link( $tag ) ), esc_hashtag( $tag->name ) ); } return \implode( ' ', $hash_tags ); } /** * Generates output for the 'ap_title' Shortcode * * @return string The post title. */ public static function title() { $item = self::get_item(); if ( ! $item ) { return ''; } return \wp_strip_all_tags( \get_the_title( $item->ID ), true ); } /** * Generates output for the 'ap_excerpt' Shortcode * * @param array $atts The Shortcode attributes. * @param string $content The ActivityPub post-content. * @param string $tag The tag/name of the Shortcode. * * @return string The post excerpt. */ public static function excerpt( $atts, $content, $tag ) { $item = self::get_item(); if ( ! $item ) { return ''; } $atts = shortcode_atts( array( 'length' => ACTIVITYPUB_EXCERPT_LENGTH ), $atts, $tag ); $excerpt_length = intval( $atts['length'] ); if ( 0 === $excerpt_length ) { $excerpt_length = ACTIVITYPUB_EXCERPT_LENGTH; } $excerpt = generate_post_summary( $item, $excerpt_length ); return \apply_filters( 'the_excerpt', $excerpt ); } /** * Generates output for the 'ap_content' Shortcode. * * @param array $atts The Shortcode attributes. * @param string $content The ActivityPub post-content. * @param string $tag The tag/name of the Shortcode. * * @return string The post content. */ public static function content( $atts, $content, $tag ) { $item = self::get_item(); if ( ! $item ) { return ''; } // Prevent inception. remove_shortcode( 'ap_content' ); $atts = shortcode_atts( array( 'apply_filters' => 'yes' ), $atts, $tag ); $content = ''; if ( 'attachment' === $item->post_type ) { // Get title of attachment with fallback to alt text. $content = wp_get_attachment_caption( $item->ID ); if ( empty( $content ) ) { $content = get_post_meta( $item->ID, '_wp_attachment_image_alt', true ); } } else { $content = \get_post_field( 'post_content', $item ); if ( 'yes' === $atts['apply_filters'] ) { $content = \apply_filters( 'the_content', $content ); } else { $content = do_blocks( $content ); $content = wptexturize( $content ); $content = wp_filter_content_tags( $content ); } // Replace script and style elements. $content = \preg_replace( '@<(script|style)[^>]*?>.*?@si', '', $content ); $content = strip_shortcodes( $content ); $content = \trim( \preg_replace( '/[\n\r\t]/', '', $content ) ); } add_shortcode( 'ap_content', array( 'Activitypub\Shortcodes', 'content' ) ); return $content; } /** * Generates output for the 'ap_permalink' Shortcode. * * @param array $atts The Shortcode attributes. * @param string $content The ActivityPub post-content. * @param string $tag The tag/name of the Shortcode. * * @return string The post permalink. */ public static function permalink( $atts, $content, $tag ) { $item = self::get_item(); if ( ! $item ) { return ''; } $atts = shortcode_atts( array( 'type' => 'url', ), $atts, $tag ); if ( 'url' === $atts['type'] ) { return \esc_url( \get_permalink( $item->ID ) ); } return \sprintf( '%1$s', \esc_url( \get_permalink( $item->ID ) ) ); } /** * Generates output for the 'ap_shortlink' Shortcode. * * @param array $atts The Shortcode attributes. * @param string $content The ActivityPub post-content. * @param string $tag The tag/name of the Shortcode. * * @return string The post shortlink. */ public static function shortlink( $atts, $content, $tag ) { $item = self::get_item(); if ( ! $item ) { return ''; } $atts = shortcode_atts( array( 'type' => 'url', ), $atts, $tag ); if ( 'url' === $atts['type'] ) { return \esc_url( \wp_get_shortlink( $item->ID ) ); } return \sprintf( '%1$s', \esc_url( \wp_get_shortlink( $item->ID ) ) ); } /** * Generates output for the 'ap_image' Shortcode. * * @param array $atts The Shortcode attributes. * @param string $content The ActivityPub post-content. * @param string $tag The tag/name of the Shortcode. * * @return string */ public static function image( $atts, $content, $tag ) { $item = self::get_item(); if ( ! $item ) { return ''; } $atts = shortcode_atts( array( 'type' => 'full', ), $atts, $tag ); $size = 'full'; if ( in_array( $atts['type'], array( 'thumbnail', 'medium', 'large', 'full' ), true ) ) { $size = $atts['type']; } $image = \get_the_post_thumbnail_url( $item->ID, $size ); if ( ! $image ) { return ''; } return \esc_url( $image ); } /** * Generates output for the 'ap_hashcats' Shortcode. * * @return string The post categories as hashtags. */ public static function hashcats() { $item = self::get_item(); if ( ! $item ) { return ''; } $categories = \get_the_category( $item->ID ); if ( ! $categories ) { return ''; } $hash_tags = array(); foreach ( $categories as $category ) { $hash_tags[] = \sprintf( '', \esc_url( \get_category_link( $category ) ), esc_hashtag( $category->name ) ); } return \implode( ' ', $hash_tags ); } /** * Generates output for the 'ap_author' Shortcode. * * @return string The author name. */ public static function author() { $item = self::get_item(); if ( ! $item ) { return ''; } $author_id = \get_post_field( 'post_author', $item->ID ); $name = \get_the_author_meta( 'display_name', $author_id ); if ( ! $name ) { return ''; } return wp_strip_all_tags( $name ); } /** * Generates output for the 'ap_authorurl' Shortcode. * * @return string The author URL. */ public static function authorurl() { $item = self::get_item(); if ( ! $item ) { return ''; } $author_id = \get_post_field( 'post_author', $item->ID ); $url = \get_the_author_meta( 'user_url', $author_id ); if ( ! $url ) { return ''; } return \esc_url( $url ); } /** * Generates output for the 'ap_blogurl' Shortcode. * * @return string The site URL. */ public static function blogurl() { return \esc_url( \get_bloginfo( 'url' ) ); } /** * Generates output for the 'ap_blogname' Shortcode. * * @return string */ public static function blogname() { return \wp_strip_all_tags( \get_bloginfo( 'name' ) ); } /** * Generates output for the 'ap_blogdesc' Shortcode. * * @return string The site description. */ public static function blogdesc() { return \wp_strip_all_tags( \get_bloginfo( 'description' ) ); } /** * Generates output for the 'ap_date' Shortcode. * * @return string The post date. */ public static function date() { $item = self::get_item(); if ( ! $item ) { return ''; } $datetime = \get_post_datetime( $item ); $dateformat = \get_option( 'date_format' ); $date = $datetime->format( $dateformat ); if ( ! $date ) { return ''; } return $date; } /** * Generates output for the 'ap_time' Shortcode. * * @return string The post time. */ public static function time() { $item = self::get_item(); if ( ! $item ) { return ''; } $datetime = \get_post_datetime( $item ); $timeformat = \get_option( 'time_format' ); $date = $datetime->format( $timeformat ); if ( ! $date ) { return ''; } return $date; } /** * Generates output for the 'ap_datetime' Shortcode. * * @return string The post date/time. */ public static function datetime() { $item = self::get_item(); if ( ! $item ) { return ''; } $datetime = \get_post_datetime( $item ); $dateformat = \get_option( 'date_format' ); $timeformat = \get_option( 'time_format' ); $date = $datetime->format( $dateformat . ' @ ' . $timeformat ); if ( ! $date ) { return ''; } return $date; } /** * Get a WordPress item to federate. * * Checks if item (WP_Post) is "public", a supported post type * and not password protected. * * @return null|\WP_Post The WordPress item. */ protected static function get_item() { $post = \get_post(); if ( ! $post ) { return null; } if ( 'publish' !== \get_post_status( $post ) ) { return null; } if ( \post_password_required( $post ) ) { return null; } if ( ! \in_array( \get_post_type( $post ), \get_post_types_by_support( 'activitypub' ), true ) ) { return null; } return $post; } }