From 5af8ebe3bd32e905f32c88ad2ed301e7d0d9a6a1 Mon Sep 17 00:00:00 2001
From: Joas Schilling <nickvergessen@owncloud.com>
Date: Mon, 29 Feb 2016 17:17:57 +0100
Subject: [PATCH] Allow to change properties of readonly calendars

---
 apps/dav/lib/dav/sharing/backend.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/apps/dav/lib/dav/sharing/backend.php b/apps/dav/lib/dav/sharing/backend.php
index 8e2a9307b7..ffc4193e34 100644
--- a/apps/dav/lib/dav/sharing/backend.php
+++ b/apps/dav/lib/dav/sharing/backend.php
@@ -190,6 +190,14 @@ class Backend {
 					'principal' => $share['{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}principal'],
 					'protected' => true,
 				];
+			} else if ($this->resourceType === 'calendar') {
+				// Allow changing the properties of read only calendars,
+				// so users can change the visibility.
+				$acl[] = [
+					'privilege' => '{DAV:}write-properties',
+					'principal' => $share['{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}principal'],
+					'protected' => true,
+				];
 			}
 		}
 		return $acl;