@saws/remix-auth NPM

Remix Auth

A set of components and other remix related tools for drop in integration between a RemixService and a CognitoService

Installation
Authenticate Route
getSession

Installation

From the command line run:

npm install @saws/remix-auth

Authenticate Route

@saws/remix-auth comes with a prebuilt route with everything you need to provide a user registration and login experience on your application. It comes with a UI built using [Chakra UI](https://chakra-ui.com) and will integrate with your CognitoService. This will work both when you run npx saws dev and when you deploy it to production.

To set this up follow these steps:

Follow these instructions for setting up Chakra in a Remix application: https://chakra-ui.com/getting-started/remix-guide
Create a folder in your app folder in your remix application called utils

Create a file in the utils folder called session.client.ts. The contents of that file should look like:

import { SessionClient } from '@saws/cognito/session-client'
export const sessionClient = new SessionClient('name-of-my-cognito-service')

Create a route folder in your remix application called authenticate

Create a file in authenticate called loader.server.ts. The contents of this file should look as follows:

import { getLoader } from '@saws/remix-auth/loader'

export const loader = getLoader('name-of-my-cognito-service', '/optional-redirect-url') // redirect url defaults to /

Create a file in authenticate called route.tsx. The contents of this file should look as follows:

import { AuthenticateRoute } from '@saws/remix-auth/AuthenticateRoute'
import { sessionClient } from '../utils/session.client'

export { loader } from './loader.server'

export default () => <AuthenticateRoute sessionClient={sessionClient} />

In your root.tsx file add a loader function so we can attach the Cognito related environment variables to window.ENV. The loader function should look like this:

import { captureCognitoEnvVars } from '@saws/cognito/cognito-client'

...

export const loader = () => {
 return json({
   ENV: {
     stage: process.env.STAGE,
     ...captureCognitoEnvVars('name-of-my-cognito-service')
   },
 })
}

Then in your Document component, in the <head> element add the following snippet:

<script
  dangerouslySetInnerHTML={{
    __html: `window.ENV = ${JSON.stringify(data.ENV)}`,
  }}
/>

With all that in place you should now be able to navigate to /authenticate and you'll have a user registration and login flow.

`getSession(name: string, request: Request): Promise<JWTPayload>`

After someone has gone through the authentication flow, this function can be used inside of your loader and action functions to get the contents of the payload of the JWT for the currently logged in user.

The name parameter is the name of your CognitoService.

jsonwebtoken jwks-rsa @saws/utils @saws/cognito

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