post = get_post( $post ); } public function get_post() { return $this->post; } public function get_post_author() { return $this->post->post_author; } public function to_array() { $post = $this->post; $array = array( 'id' => get_permalink( $post ), 'type' => $this->get_object_type(), 'published' => date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) ), 'attributedTo' => get_author_posts_url( $post->post_author ), 'summary' => $this->get_the_summary(), 'inReplyTo' => null, 'content' => $this->get_the_content(), 'contentMap' => array( strstr( get_locale(), '_', true ) => $this->get_the_content(), ), 'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ), 'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ), 'attachment' => $this->get_attachments(), 'tag' => $this->get_tags(), ); return apply_filters( 'activitypub_post', $array ); } public function to_json() { return wp_json_encode( $this->to_array(), JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT ); } public function get_attachments() { $max_images = apply_filters( 'activitypub_max_images', 3 ); $images = array(); // max images can't be negative or zero if ( $max_images <= 0 ) { $max_images = 1; } $id = $this->post->ID; $image_ids = array(); // list post thumbnail first if this post has one if ( function_exists( 'has_post_thumbnail' ) && has_post_thumbnail( $id ) ) { $image_ids[] = get_post_thumbnail_id( $id ); $max_images--; } // then list any image attachments $query = new \WP_Query( array( 'post_parent' => $id, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID', 'posts_per_page' => $max_images, ) ); foreach ( $query->get_posts() as $attachment ) { if ( ! in_array( $attachment->ID, $image_ids, true ) ) { $image_ids[] = $attachment->ID; } } // get URLs for each image foreach ( $image_ids as $id ) { $thumbnail = wp_get_attachment_image_src( $id, 'full' ); $mimetype = get_post_mime_type( $id ); if ( $thumbnail ) { $images[] = array( 'url' => $thumbnail[0], 'type' => $mimetype, ); } } $attachments = array(); // add attachments if ( $images ) { foreach ( $images as $image ) { $attachment = array( 'type' => 'Image', 'url' => $image['url'], 'mediaType' => $image['type'], ); $attachments[] = $attachment; } } return $attachments; } public function get_tags() { $tags = array(); $post_tags = get_the_tags( $this->post->ID ); if ( $post_tags ) { foreach( $post_tags as $post_tag ) { $tag = array( 'type' => 'Hashtag', 'href' => get_tag_link( $post_tag->term_id ), 'name' => '#' . $post_tag->slug, ); $tags[] = $tag; } } return $tags; } /** * Returns the as2 object-type for a given post * * @param string $type the object-type * @param Object $post the post-object * * @return string the object-type */ public function get_object_type() { if ( 'wordpress-post-format' !== get_option( 'activitypub_object_type', 'note' ) ) { return ucfirst( get_option( 'activitypub_object_type', 'note' ) ); } $post_type = get_post_type( $this->post ); switch ( $post_type ) { case 'post': $post_format = get_post_format( $this->post ); switch ( $post_format ) { case 'aside': case 'status': case 'quote': case 'note': $object_type = 'Note'; break; case 'gallery': case 'image': $object_type = 'Image'; break; case 'video': $object_type = 'Video'; break; case 'audio': $object_type = 'Audio'; break; default: $object_type = 'Article'; break; } break; case 'page': $object_type = 'Page'; break; case 'attachment': $mime_type = get_post_mime_type(); $media_type = preg_replace( '/(\/[a-zA-Z]+)/i', '', $mime_type ); switch ( $media_type ) { case 'audio': $object_type = 'Audio'; break; case 'video': $object_type = 'Video'; break; case 'image': $object_type = 'Image'; break; } break; default: $object_type = 'Article'; break; } return $object_type; } public function get_the_content() { if ( 'excerpt' === get_option( 'activitypub_post_content_type', 'content' ) ) { return $this->get_the_post_summary(); } return $this->get_the_post_content(); } public function get_the_summary() { if ( 'Article' === $this->get_object_type() ) { $excerpt = $this->get_the_post_excerpt( 400 ); return html_entity_decode( $excerpt, ENT_QUOTES, 'UTF-8' ); } return null; } /** * Get the excerpt for a post for use outside of the loop. * * @param int Optional excerpt length. * * @return string The excerpt. */ public function get_the_post_excerpt( $excerpt_length = 400 ) { $post = $this->post; $excerpt = get_post_field( 'post_excerpt', $post ); if ( '' === $excerpt ) { $content = get_post_field( 'post_content', $post ); // An empty string will make wp_trim_excerpt do stuff we do not want. if ( '' !== $content ) { $excerpt = strip_shortcodes( $content ); /** This filter is documented in wp-includes/post-template.php */ $excerpt = apply_filters( 'the_content', $excerpt ); $excerpt = str_replace( ']]>', ']]>', $excerpt ); $excerpt_length = apply_filters( 'excerpt_length', $excerpt_length ); /** This filter is documented in wp-includes/formatting.php */ $excerpt_more = apply_filters( 'excerpt_more', ' [...]' ); $excerpt = wp_trim_words( $excerpt, $excerpt_length, $excerpt_more ); } } return $excerpt; } /** * Get the content for a post for use outside of the loop. * * @return string The content. */ public function get_the_post_content( $with_link = true ) { $post = $this->post; $content = get_post_field( 'post_content', $post ); $filtered_content = apply_filters( 'the_content', $content ); $filtered_content = apply_filters( 'activitypub_the_content', $filtered_content, $this->post ); $decoded_content = html_entity_decode( $filtered_content, ENT_QUOTES, 'UTF-8' ); $allowed_html = apply_filters( 'activitypub_allowed_html', '

' ); return trim( preg_replace( '/[\r\n]{2,}/', '', strip_tags( $decoded_content, $allowed_html ) ) ); } /** * Get the excerpt for a post for use outside of the loop. * * @param int Optional excerpt length. * * @return string The excerpt. */ public function get_the_post_summary( $summary_length = 400 ) { $summary = $this->get_the_post_excerpt( $summary_length ); $filtered_summary = apply_filters( 'the_excerpt', $summary ); $filtered_summary = apply_filters( 'activitypub_the_summary', $filtered_summary, $this->post ); $decoded_summary = html_entity_decode( $filtered_summary, ENT_QUOTES, 'UTF-8' ); $allowed_html = apply_filters( 'activitypub_allowed_html', '

' ); return trim( preg_replace( '/[\r\n]{2,}/', '', strip_tags( $decoded_summary, $allowed_html ) ) ); } public static function add_backlink( $content, $post ) { $link = ''; if ( get_option( 'activitypub_use_shortlink', 0 ) ) { $link = esc_url( wp_get_shortlink( $post->ID ) ); } else { $link = esc_url( get_permalink( $post->ID ) ); } return $content . '

' . $link . '

'; } }