JavaScript

Auth.js - The Ultimate Authentication System for Your JavaScript App

Hazem Abbas

Aug 4, 2024 — 2 min read

Auth.js is a set of open-source packages that are built on standard Web APIs for authentication in modern applications with any framework on any platform in any JS runtime.

Features

Designed to work with any OAuth service, it supports 2.0+, OIDC
Built-in support for many popular sign-in services
Email/Passwordless authentication
Passkeys/WebAuthn support
Bring Your Database - or none! - stateless authentication with any backend (Active Directory, LDAP, etc.)
Runtime-agnostic, runs anywhere! (Docker, Node.js, Serverless, etc.)

Own Your Data

Auth.js can be used with or without a database.

An open-source solution that allows you to keep control of your data
Built-in support for MySQL, MariaDB, Postgres, Microsoft SQL Server, MongoDB, SQLite, GraphQL, etc.
Works great with databases from popular hosting providers

Secure

Promotes the use of passwordless sign-in mechanisms
Designed to be secure by default and encourage best practices for safeguarding user data
Uses Cross-Site Request Forgery (CSRF) Tokens on POST routes (sign in, sign out)
Default cookie policy aims for the most restrictive policy appropriate for each cookie
When JSON Web Tokens are used, they are encrypted by default (JWE) with A256CBC-HS512
Features tab/window syncing and session polling to support short-lived sessions
Attempts to implement the latest guidance published by Open Web Application Security Project

License

ICS

ISC License

Copyright (c) 2022-2024, Balázs Orbán

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.