Fix isLoggedIn() check for user '0'

Fix #9972

diff --git a/lib/private/user.php b/lib/private/user.php
index 5d3ebb57c8c42a8de9481497db40d43d65e71b6c..76f3497da0b8b03d26684cb08ff58979a8e6c561 100644 (file)
--- a/lib/private/user.php
+++ b/lib/private/user.php
@@ -337,7 +337,7 @@ class OC_User {
         * Checks if the user is logged in
         */
        public static function isLoggedIn() {
-               if (\OC::$session->get('user_id') && self::$incognitoMode === false) {
+               if (\OC::$session->get('user_id') !== null && self::$incognitoMode === false) {
                        return self::userExists(\OC::$session->get('user_id'));
                }
                return false;

diff --git a/lib/private/user/session.php b/lib/private/user/session.php
index 5f0dee607ae43dcd0c11898db7010cc081c006fa..226f948efef85966d26e2ac60ca5ee0565e96504 100644 (file)
--- a/lib/private/user/session.php
+++ b/lib/private/user/session.php
@@ -105,7 +105,7 @@ class Session implements Emitter, \OCP\IUserSession {
                        return $this->activeUser;
                } else {
                        $uid = $this->session->get('user_id');
-                       if ($uid) {
+                       if ($uid !== null) {
                                $this->activeUser = $this->manager->get($uid);
                                return $this->activeUser;
                        } else {