Fix out-of-bound array access (IMAP)

The IMAP method allows user names with or without a domain part. For user names without a domain part, it still tries to access the (then non-existing) domain, resulting in "Error: Undefined array key 1 at .../nextcloud/apps/user_external/lib/IMAP.php#85" log messages. Signed-off-by: Bjoern Kahl <[email protected]>
nextcloud · May 18, 2023 · 1e4d5ce · 1e4d5ce
1 parent 9090251
commit 1e4d5ce
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/IMAP.php b/lib/IMAP.php
@@ -82,7 +82,7 @@ public function checkPassword($uid, $password) {
 		}
 
 		$groups = [];
-		if ($this->groupDomain && $pieces[1]) {
+		if ((count($pieces) > 1) && $this->groupDomain && $pieces[1]) {
 			$groups[] = $pieces[1];
 		}