[NEW] E2E password generator

app/e2e/client/helper.js

@@ -2,6 +2,8 @@
 
 import ByteBuffer from 'bytebuffer';
 
+import { getRandomFraction } from '../../../lib/random';
+
 const StaticArrayBufferProto = new ArrayBuffer().__proto__;
 
 export function toString(thing) {
@@ -122,6 +124,20 @@ export async function readFileAsArrayBuffer(file) {
 	});
 }
 
+export async function generateMnemonicPhrase(n, sep = ' ') {
+	const { default: wordList } = await import('./wordList');
+	const result = new Array(n);
+	let len = wordList.length;
+	const taken = new Array(len);
+
+	while (n--) {
+		const x = Math.floor(getRandomFraction() * len);
+		result[n] = wordList[x in taken ? taken[x] : x];
+		taken[x] = --len in taken ? taken[len] : len;
+	}
+	return result.join(sep);
+}
+
 export class Deferred {
 	constructor() {
 		const p = new Promise((resolve, reject) => {

app/e2e/client/rocketchat.e2e.js

@@ -1,5 +1,4 @@
 import { Meteor } from 'meteor/meteor';
-import { Random } from 'meteor/random';
 import { ReactiveVar } from 'meteor/reactive-var';
 import { EJSON } from 'meteor/ejson';
 import { TAPi18n } from 'meteor/rocketchat:tap-i18n';
@@ -18,6 +17,7 @@ import {
 	importRSAKey,
 	importRawKey,
 	deriveKey,
+	generateMnemonicPhrase,
 } from './helper';
 import * as banners from '../../../client/lib/banners';
 import { Rooms, Subscriptions, Messages } from '../../models/client';
@@ -136,7 +136,7 @@ class E2E extends Emitter {
 		if (!this.db_public_key || !this.db_private_key) {
 			await call('e2e.setUserPublicAndPrivateKeys', {
 				public_key: Meteor._localStorage.getItem('public_key'),
-				private_key: await this.encodePrivateKey(Meteor._localStorage.getItem('private_key'), this.createRandomPassword()),
+				private_key: await this.encodePrivateKey(Meteor._localStorage.getItem('private_key'), await this.createRandomPassword()),
 			});
 		}
 
@@ -256,8 +256,8 @@ class E2E extends Emitter {
 		call('e2e.requestSubscriptionKeys');
 	}
 
-	createRandomPassword() {
-		const randomPassword = `${Random.id(3)}-${Random.id(3)}-${Random.id(3)}`.toLowerCase();
+	async createRandomPassword() {
+		const randomPassword = await generateMnemonicPhrase(5);
 		Meteor._localStorage.setItem('e2e.randomPassword', randomPassword);
 		return randomPassword;
 	}