From fcebdcc37ae97ce51e4ee2ae456c952967515e14 Mon Sep 17 00:00:00 2001
From: Claudiu Cristea <clau.cristea@gmail.com>
Date: Tue, 4 Jun 2019 17:11:17 +0300
Subject: [PATCH] Issue #83: The redirect response cache should be invalidated
 when the config is changing.

---
 src/Controller/RegisterController.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Controller/RegisterController.php b/src/Controller/RegisterController.php
index cc03a2e0..40c61921 100644
--- a/src/Controller/RegisterController.php
+++ b/src/Controller/RegisterController.php
@@ -62,8 +62,9 @@ public function register(): TrustedRedirectResponse {
     $url = $this->getRegisterUrl()->toString();
     $response = new TrustedRedirectResponse($url);
 
-    $cache = new CacheableMetadata();
-    $cache->addCacheContexts(['user.roles:anonymous']);
+    $cache = (new CacheableMetadata())
+      ->addCacheContexts(['user.roles:anonymous'])
+      ->setCacheTags(['config:oe_authentication.settings']);
     $response->addCacheableDependency($cache);
 
     return $response;