core: optional regip

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.34.7",
+    "version": "2.34.8",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/model/user.ts

@@ -71,7 +71,7 @@ class User implements _User {
         this._dudoc = dudoc;
         this._salt = udoc.salt;
         this._hash = udoc.hash;
-        this._regip = udoc.ip[0];
+        this._regip = udoc.ip?.[0] || '';
         this._loginip = udoc.loginip;
         this._files = udoc._files || [];