add special case for the root zone

rdap-org · Mar 15, 2024 · ed33c50 · ed33c50
1 parent 14f76c8
commit ed33c50
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/RDAP/Server.php b/RDAP/Server.php
@@ -218,7 +218,17 @@ private function logRequest(Request $request, int $status, IP $peer) : void {
      * get the base URL for the given domain
      */
     private function domain(string $domain) : ?string {
-        return $this->registries['dns']->search(fn($tld) => str_ends_with($domain, '.'.$tld));
+        return $this->registries['dns']->search(function($tld) use ($domain) {
+            if (empty($tld) && false == strpos($domain, '.')) {
+                // empty TLD indicates the root zone, and no dot indicates
+                // domain is a TLD
+                return true;
+
+            } else {
+                return str_ends_with($domain, '.'.$tld));
+
+            }
+        });
     }
 
     /**