diff --git a/includes/functions.php b/includes/functions.php
index b3d9bbc..bbe3bed 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -1 +1,91 @@
 <?php
+function activitypub_post_to_json( $post, $json = null ) {
+	if ( ! $json ) {
+		$json = new stdClass();
+	}
+
+	$json->published = date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) );
+	$json->id = $post->guid . '&activitypub';
+	$json->type = 'Create';
+	$json->actor = get_author_posts_url( $post->post_author );
+	$json->to = array( 'https://www.w3.org/ns/activitystreams#Public' );
+	$json->cc = array( 'https://www.w3.org/ns/activitystreams#Public' );
+
+	$json->object = array(
+		'id' => $post->guid,
+		'type' => activitypub_object_type( $post ),
+		'published' => date( 'Y-m-d\TH:i:s\Z', strtotime( $post->post_date ) ),
+		'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
+		'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ),
+		'attributedTo' => get_author_posts_url( $post->post_author ),
+		'summary' => null,
+		'inReplyTo' => null,
+		'content' => esc_html( $post->post_content ),
+		'contentMap' => array(
+			strstr( get_locale(), '_', true ) => esc_html( $post->post_content )	,
+		),
+		'attachment' => array(),
+		'tag' => array(),
+	);
+
+	return $json;
+}
+
+/**
+ * Returns the as2 object for a given post
+ *
+ * @param string $type the object type
+ * @param Object $post the post object
+ * @return string the object type
+ */
+function activitypub_object_type( $post ) {
+	$post_type = get_post_type( $post );
+	switch ( $post_type ) {
+		case 'post':
+			$post_format = get_post_format( $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;
+}