Make generated passwords longer (#14362)

* Make generated passwords longer

* Use crypto for generating passwords

* Remove comments

* Generate password with length 12

packages/builder/src/pages/builder/portal/users/users/_components/AddUserModal.svelte

@@ -16,7 +16,7 @@
 
   export let showOnboardingTypeModal
 
-  const password = Math.random().toString(36).substring(2, 22)
+  const password = generatePassword(12)
   let disabled
   let userGroups = []
 
@@ -44,7 +44,7 @@
       {
         email: "",
         role: "appUser",
-        password: Math.random().toString(36).substring(2, 22),
+        password: generatePassword(12),
         forceResetPassword: true,
         error: null,
       },
@@ -69,6 +69,14 @@
     return userData[index].error == null
   }
 
+  function generatePassword(length) {
+    const array = new Uint8Array(length)
+    window.crypto.getRandomValues(array)
+    return Array.from(array, byte => byte.toString(36).padStart(2, "0"))
+      .join("")
+      .slice(0, length)
+  }
+
   const onConfirm = () => {
     let valid = true
     userData.forEach((input, index) => {

packages/builder/src/pages/builder/portal/users/users/index.svelte

@@ -216,7 +216,7 @@
       const newUser = {
         email: email,
         role: usersRole,
-        password: Math.random().toString(36).substring(2, 22),
+        password: generatePassword(12),
         forceResetPassword: true,
       }
 
@@ -288,6 +288,14 @@
     }
   }
 
+  const generatePassword = length => {
+    const array = new Uint8Array(length)
+    window.crypto.getRandomValues(array)
+    return Array.from(array, byte => byte.toString(36).padStart(2, "0"))
+      .join("")
+      .slice(0, length)
+  }
+
   onMount(async () => {
     try {
       await groups.actions.init()

packages/worker/src/api/controllers/global/users.ts

@@ -41,6 +41,14 @@ import { BpmStatusKey, BpmStatusValue } from "@budibase/shared-core"
 
 const MAX_USERS_UPLOAD_LIMIT = 1000
 
+const generatePassword = (length: number) => {
+  const array = new Uint8Array(length)
+  crypto.getRandomValues(array)
+  return Array.from(array, byte => byte.toString(36).padStart(2, "0"))
+    .join("")
+    .slice(0, length)
+}
+
 export const save = async (ctx: UserCtx<User, SaveUserResponse>) => {
   try {
     const currentUserId = ctx.user?._id
@@ -296,7 +304,7 @@ export const onboardUsers = async (
 
   let createdPasswords: Record<string, string> = {}
   const users: User[] = ctx.request.body.map(invite => {
-    let password = Math.random().toString(36).substring(2, 22)
+    const password = generatePassword(12)
     createdPasswords[invite.email] = password
 
     return {