Object instead of Display

src/Module/Object.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * @file src/Module/Object.php
+ */
+namespace Friendica\Module;
+
+use Friendica\BaseModule;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Core\System;
+use Friendica\Model\Item;
+use Friendica\Database\DBA;
+
+/**
+ * ActivityPub Object
+ */
+class Object extends BaseModule
+{
+	public static function init()
+	{
+		$a = self::getApp();
+
+		if (empty($a->argv[1])) {
+			System::httpExit(404);
+		}
+
+		if (!ActivityPub::isRequest()) {
+			goaway(str_replace('object/', 'display/', $a->query_string));
+		}
+
+		$item = Item::selectFirst(['id'], ['guid' => $a->argv[1], 'wall' => true, 'private' => false]);
+		if (!DBA::isResult($item)) {
+			System::httpExit(404);
+		}
+
+		$data = ActivityPub::createObjectFromItemID($item['id']);
+
+		header('Content-Type: application/activity+json');
+		echo json_encode($data);
+		exit();
+	}
+}