From 3462caa2b6d141a5d56f756d35f5df280610f0bf Mon Sep 17 00:00:00 2001
From: Michiel de Jong <michiel@unhosted.org>
Date: Wed, 29 Jun 2022 14:23:35 +0200
Subject: [PATCH] Require Write on c/r for PATCH-to-create, fix
 https://github.com/solid-contrib/test-suite/issues/146

---
 src/authorization/permissions/N3PatchModesExtractor.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/authorization/permissions/N3PatchModesExtractor.ts b/src/authorization/permissions/N3PatchModesExtractor.ts
index 659346dc1f..b446bbea22 100644
--- a/src/authorization/permissions/N3PatchModesExtractor.ts
+++ b/src/authorization/permissions/N3PatchModesExtractor.ts
@@ -45,7 +45,11 @@ export class N3PatchModesExtractor extends ModesExtractor {
     // When ?insertions is non-empty, servers MUST (also) treat the request as an Append operation.
     if (inserts.length > 0) {
       accessModes.add(AccessMode.append);
+      // require Write on c/r and Append-or-Write on c/
+      // for PATCH-to-create c/r
+      // ref https://github.com/solid-contrib/test-suite/issues/146
       if (!await this.resourceSet.hasResource(target)) {
+        accessModes.add(AccessMode.write);
         accessModes.add(AccessMode.create);
       }
     }