Merge pull request from GHSA-g9v2-wqcj-j99g

* Fix attempt

* Update message

server/model/user.js

@@ -1,6 +1,8 @@
 const { BeanModel } = require("redbean-node/dist/bean-model");
 const passwordHash = require("../password-hash");
 const { R } = require("redbean-node");
+const jwt = require("jsonwebtoken");
+const { shake256, SHAKE256_LENGTH } = require("../util-server");
 
 class User extends BeanModel {
     /**
@@ -27,6 +29,19 @@ class User extends BeanModel {
         this.password = newPassword;
     }
 
+    /**
+     * Create a new JWT for a user
+     * @param {User} user
+     * @param {string} jwtSecret
+     * @return {string}
+     */
+    static createJWT(user, jwtSecret) {
+        return jwt.sign({
+            username: user.username,
+            h: shake256(user.password, SHAKE256_LENGTH),
+        }, jwtSecret);
+    }
+
 }
 
 module.exports = User;