Félix Malfait
57ecab8571
## Problem Entering a 2FA code right after it rotates fails with "Invalid OTP". A tolerance window was configured (`TOTP_DEFAULT_CONFIGURATION.window`) but never applied: `TotpStrategy` validated its options with Zod and then discarded them, and `validate()` called the global otplib `authenticator`, which defaults to `window: 0`. Only the current 30-second code was ever accepted, and clock drift between the device and the server made it feel even stricter. ## Changes - `TotpStrategy` now clones the otplib authenticator with the validated options (window, step, digits, algorithm, encoding, epoch) and uses that instance for both `initiate` and `validate`, so the configured tolerance actually applies. - Default window set to 1: the previous and next codes are accepted alongside the current one, so a code stays valid for up to 30 extra seconds after rotation and forward clock skew is tolerated. This follows the RFC 6238 recommendation of one time step, kept deliberately tight since `getAuthTokensFromOTP` has no rate limiting beyond the optional captcha guard. - Replaced the placeholder strategy tests with deterministic assertions using fixed epochs: previous and next tokens accepted within the window, a token two steps old rejected, and no-window strategies still reject the previous token. ## Testing - All 2FA module unit tests pass (105), including 19 for the strategy. - `lint:diff-with-main` and `typecheck` pass for twenty-server. --- _Generated by [Claude Code](https://claude.ai/code/session_01Va3ESUmkp14Wu65sAXkL7k)_ <!-- This is an auto-generated description by cubic. --> <a href="https://cubic.dev/pr/twentyhq/twenty/pull/23632?utm_source=github" target="_blank" rel="noopener noreferrer" data-no-image-dialog="true"><picture><source media="(prefers-color-scheme: dark)" srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source media="(prefers-color-scheme: light)" srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img alt="Review in cubic" src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a> <!-- End of auto-generated description by cubic. -->
The #1 Open-Source CRM
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Why Twenty
Twenty gives technical teams the building blocks for a custom CRM that meets complex business needs and quickly adapts as the business evolves. Twenty is the CRM you build, ship, and version like the rest of your stack.
Learn more about why we built Twenty
Installation
Cloud
The fastest way to get started. Sign up at twenty.com and spin up a workspace in under a minute, with no infrastructure to manage and always up to date.
Build an app
Scaffold a new app with the Twenty CLI:
npx create-twenty-app my-app
Define objects, fields, and views as code:
import { defineObject, FieldType } from 'twenty-sdk/define';
export default defineObject({
nameSingular: 'deal',
namePlural: 'deals',
labelSingular: 'Deal',
labelPlural: 'Deals',
fields: [
{ name: 'name', label: 'Name', type: FieldType.TEXT },
{ name: 'amount', label: 'Amount', type: FieldType.CURRENCY },
{ name: 'closeDate', label: 'Close Date', type: FieldType.DATE_TIME },
],
});
Then ship it to your workspace:
npx twenty app:publish --private
See the app development guide for objects, views, agents, and logic functions.
Self-hosting
Run Twenty on your own infrastructure with Docker Compose, or contribute locally via the local setup guide.
Everything you need
Twenty gives you the building blocks of a modern CRM (objects, views, workflows, and agents) and lets you extend them as code. Here's a tour of what's in the box.
Want to go deeper? Read the 
User Guide for product walkthroughs, or the Documentation for developer reference.
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Stack
TypeScript
Nx
NestJS, with BullMQ, 
PostgreSQL, 
Redis
React, with Jotai, Linaria and Lingui
Thanks
Thanks to these amazing services that we use and recommend for code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
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