nodejs-auth-proxy

This is a template for a nodejs proxy application which stores a client secret for authenticating with OAuth2, which can be used by SPAs.

About

The purpose of this app is to store the client secret for single page web applications requiring OAuth2 authentication but not having a server application.

This app acts as a proxy for requests to an authentication server that require the client secret to be sent. Since it is not secure to store a client secret with a client's code, it instead would call this proxy which will add the client secret to the request and forward it to the destination authentication server.

Using this template

Select use this template in GitHub to clone the repository.
Open Index.js and search for EDIT HERE. Each line that should be edited is indicated with EDIT HERE.
- Cors Whitelist: Include the url which will call the proxy.
- Target: Domain where the token endpoint is hosted.
- Path Rewrite: Rewrite /token to the endpoint used to retrieve a token.
- Verifier: This should be a random string. When calling the proxy, client_secret should be equal to this string. If it matches if will then be replaced with the Client Secret when the request is forwarded to the token endpoint.
- Client Secret: This is where you should store your client secret.
Install packages using yarn install.
Build and test using node index.js.
Deploy the app. Some scripts are included in the package.json to deploy to Heroku.

How to use

When you need to fetch a token, post to the token endpoint of the deployed proxy, as if you were posting to the token endpoint directly, but instead set client_secret equal to your verifier.

You can also call using react-oauth2-authcode-provider.

<AuthCodeProvider 
    authenticationProps={{
        authUrl: 'https://www.yourcodeendpoint.com/oauth/authorize',
        callBackPath: '/',
        tokenUrl: 'https://frozen-inlet-97325.herokuapp.com/token', // Your deployed proxy url
        clientId: 'clientId',
        clientSecret: 'verifier',
        scope: 'activity:read',
    }}
/>

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