core: force uid

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.28.21",
+    "version": "2.28.22",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/src/model/user.ts

@@ -232,7 +232,7 @@ class UserModel {
         uid: number = 0, regip: string = '127.0.0.1', priv: number = system.get('default.priv'),
     ) {
         const salt = String.random();
-        if (!uid) {
+        if (typeof uid !== 'number') {
             const [udoc] = await coll.find({}).sort({ _id: -1 }).limit(1).toArray();
             uid = Math.max((udoc?._id || 0) + 1, 2);
         }

packages/hydrooj/src/upgrade.ts

@@ -404,10 +404,15 @@ const scripts: UpgradeScript[] = [
         await iterateAllUser((udoc) => user.setPriv(udoc._id, udoc.priv | PRIV.PRIV_SEND_MESSAGE));
         return true;
     },
+    null,
     // Write builtin users to database
-    async function _31_32() {
+    async function _32_33() {
+        if (!await user.getById('system', 0)) {
             await user.create('Guest@hydro.local', 'Guest', String.random(32), 0, '127.0.0.1', PRIV.PRIV_REGISTER_USER);
+        }
+        if (!await user.getById('system', 1)) {
             await user.create('Hydro@hydro.local', 'Hydro', String.random(32), 1, '127.0.0.1', PRIV.PRIV_USER_PROFILE);
+        }
         return true;
     },
 ];