post = \get_post( $post ); $this->post_author = $this->post->post_author; $this->id = $this->generate_id(); $this->summary = $this->generate_the_title(); $this->content = $this->generate_the_content(); $this->attachments = $this->generate_attachments(); $this->tags = $this->generate_tags(); $this->object_type = $this->generate_object_type(); } public function __call( $method, $params ) { $var = \strtolower( \substr( $method, 4 ) ); if ( \strncasecmp( $method, 'get', 3 ) === 0 ) { return $this->$var; } if ( \strncasecmp( $method, 'set', 3 ) === 0 ) { $this->$var = $params[0]; } } public function to_array() { $post = $this->post; $array = array( 'id' => $this->id, 'type' => $this->object_type, 'published' => \date( 'Y-m-d\TH:i:s\Z', \strtotime( $post->post_date_gmt ) ), 'attributedTo' => \get_author_posts_url( $post->post_author ), 'summary' => $this->summary, 'inReplyTo' => null, 'content' => $this->content, 'contentMap' => array( \strstr( \get_locale(), '_', true ) => $this->content, ), 'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ), 'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ), 'attachment' => $this->attachments, 'tag' => $this->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 generate_id() { $post = $this->post; $permalink = \get_permalink( $post ); // replace 'trashed' for delete activity return \str_replace( '__trashed', '', $permalink ); } public function generate_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; } } $image_ids = \array_unique( $image_ids ); // get URLs for each image foreach ( $image_ids as $id ) { $alt = \get_post_meta( $id, '_wp_attachment_image_alt', true ); $thumbnail = \wp_get_attachment_image_src( $id, 'full' ); $mimetype = \get_post_mime_type( $id ); if ( $thumbnail ) { $image = array( 'type' => 'Image', 'url' => $thumbnail[0], 'mediaType' => $mimetype, ); if ( $alt ) { $image['name'] = $alt; } $images[] = $image; } } return $images; } public function generate_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 generate_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 generate_the_content() { $post = $this->post; $content = $this->get_post_content_template(); $content = \str_replace( '%title%', \get_the_title( $post->ID ), $content ); $content = \str_replace( '%excerpt%', $this->get_the_post_excerpt(), $content ); $content = \str_replace( '%content%', $this->get_the_post_content(), $content ); $content = \str_replace( '%permalink%', $this->get_the_post_link( 'permalink' ), $content ); $content = \str_replace( '%shortlink%', $this->get_the_post_link( 'shortlink' ), $content ); $content = \str_replace( '%hashtags%', $this->get_the_post_hashtags(), $content ); // backwards compatibility $content = \str_replace( '%tags%', $this->get_the_post_hashtags(), $content ); $content = \trim( \preg_replace( '/[\r\n]{2,}/', '', $content ) ); $filtered_content = \apply_filters( 'activitypub_the_content', $content, $this->post ); $decoded_content = \html_entity_decode( $filtered_content, \ENT_QUOTES, 'UTF-8' ); $allowed_html = \apply_filters( 'activitypub_allowed_html', \get_option( 'activitypub_allowed_html', ACTIVITYPUB_ALLOWED_HTML ) ); if ( $allowed_html ) { return \strip_tags( $decoded_content, $allowed_html ); } return $decoded_content; } public function get_post_content_template() { if ( 'excerpt' === \get_option( 'activitypub_post_content_type', 'content' ) ) { return "%excerpt%\n\n

%permalink%

"; } if ( 'title' === \get_option( 'activitypub_post_content_type', 'content' ) ) { return "

%title%

\n\n

%permalink%

"; } if ( 'content' === \get_option( 'activitypub_post_content_type', 'content' ) ) { return "%content%\n\n

%hashtags%

\n\n

%permalink%

"; } return \get_option( 'activitypub_custom_post_content', ACTIVITYPUB_CUSTOM_POST_CONTENT ); } /** * 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 \apply_filters( 'the_excerpt', $excerpt ); } /** * Get the content for a post for use outside of the loop. * * @return string The content. */ public function get_the_post_content() { $post = $this->post; $content = \get_post_field( 'post_content', $post ); return \apply_filters( 'the_content', $content ); } /** * Adds a backlink to the post/summary content * * @param string $content * @param WP_Post $post * * @return string */ public function get_the_post_link( $type = 'permalink' ) { $post = $this->post; if ( 'shortlink' === $type ) { $link = \esc_url( \wp_get_shortlink( $post->ID ) ); } elseif ( 'permalink' === $type ) { $link = \esc_url( \get_permalink( $post->ID ) ); } else { return ''; } return \sprintf( '%1$s', $link ); } /** * Adds all tags as hashtags to the post/summary content * * @param string $content * @param WP_Post $post * * @return string */ public function get_the_post_hashtags() { $post = $this->post; $tags = \get_the_tags( $post->ID ); if ( ! $tags ) { return ''; } $hash_tags = array(); foreach ( $tags as $tag ) { $hash_tags[] = \sprintf( '', \get_tag_link( $tag ), $tag->slug ); } return \implode( ' ', $hash_tags ); } }