From 1d0ca1cd56ac7624e11964eddf32285f0f158eef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Duffeck?= <andre.duffeck@firondu.de>
Date: Tue, 10 Sep 2024 15:41:14 +0200
Subject: [PATCH] Refuse to run on a non-shared or noop id cache

Fixes https://github.com/owncloud/ocis/issues/9909
---
 pkg/storage/fs/posix/posix.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkg/storage/fs/posix/posix.go b/pkg/storage/fs/posix/posix.go
index d12f203a22..537689d459 100644
--- a/pkg/storage/fs/posix/posix.go
+++ b/pkg/storage/fs/posix/posix.go
@@ -97,6 +97,11 @@ func New(m map[string]interface{}, stream events.Stream) (storage.FS, error) {
 		return nil, err
 	}
 
+	switch o.IDCache.Store {
+	case "", "memory", "noop":
+		return nil, fmt.Errorf("the posix driver requires a shared id cache, e.g. nats-js-kv or redis")
+	}
+
 	tp, err := tree.New(lu, bs, um, trashbin, o, stream, store.Create(
 		store.Store(o.IDCache.Store),
 		store.TTL(o.IDCache.TTL),