fix warning caused by global auth

diff --git a/apps/files_external/lib/auth/password/globalauth.php b/apps/files_external/lib/auth/password/globalauth.php
index dcfea65b55546eb5d0236ed0593cb8f19fd1549f..b1e52fb53ab2ea42e3508c7da233642f12019db5 100644 (file)
--- a/apps/files_external/lib/auth/password/globalauth.php
+++ b/apps/files_external/lib/auth/password/globalauth.php
@@ -55,7 +55,10 @@ class GlobalAuth extends AuthMechanism {
        public function getAuth($uid) {
                $auth = $this->credentialsManager->retrieve($uid, self::CREDENTIALS_IDENTIFIER);
                if (!is_array($auth)) {
-                       return [];
+                       return [
+                               'user' => '',
+                               'password' => ''
+                       ];
                } else {
                        return $auth;
                }