diff --git a/src/Core/GNUsocial.php b/src/Core/GNUsocial.php
index c7e54b9e95..e4899145e5 100644
--- a/src/Core/GNUsocial.php
+++ b/src/Core/GNUsocial.php
@@ -171,7 +171,7 @@ class GNUsocial implements EventSubscriberInterface
             Form::setFactory($this->form_factory);
             Queue::setMessageBus($this->message_bus);
             Security::setHelper($this->security, $this->sanitizer);
-            Router::setRouter($this->router, $this->url_generator);
+            Router::setServices($this->router, $this->url_generator);
             HTTPClient::setClient($this->client);
             Formatting::setTwig($this->twig);
             Cache::setupCache();
diff --git a/src/Core/Router/Router.php b/src/Core/Router/Router.php
index 13f67cc898..9276e94ea4 100644
--- a/src/Core/Router/Router.php
+++ b/src/Core/Router/Router.php
@@ -61,12 +61,22 @@ abstract class Router
     public static ?SRouter $router                = null;
     public static ?UrlGeneratorInterface $url_gen = null;
 
-    public static function setRouter($rtr, $gen): void
+    public static function setServices($rtr, $gen): void
     {
         self::$router  = $rtr;
         self::$url_gen = $gen;
     }
 
+    public static function isAbsolute(string $url)
+    {
+        return isset(parse_url($url)['host']);
+    }
+
+    /**
+     * Generate a URL for route $id with $args replacing the
+     * placeholder route values. Extra params are added as query
+     * string to the URL
+     */
     public static function url(string $id, array $args, int $type = self::ABSOLUTE_PATH): string
     {
         return self::$url_gen->generate($id, $args, $type);