fix undefined method getExtStorageHome()

- adds a type check
- defines missing method in OfflineUser

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/apps/user_ldap/lib/Handler/ExtStorageConfigHandler.php b/apps/user_ldap/lib/Handler/ExtStorageConfigHandler.php
index 0d3c5b8f3f3..6f2a1007c16 100644
--- a/apps/user_ldap/lib/Handler/ExtStorageConfigHandler.php
+++ b/apps/user_ldap/lib/Handler/ExtStorageConfigHandler.php
@@ -62,7 +62,7 @@ class ExtStorageConfigHandler extends UserContext implements IConfigHandler {
 		}
 
 		$ldapUser = $access->userManager->get($user->getUID());
-		$extHome = $ldapUser->getExtStorageHome();
+		$extHome = $ldapUser !== null ? $ldapUser->getExtStorageHome() : '';
 
 		return $this->processInput($optionValue, $extHome);
 	}