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unleash.unleash/website/docs/using-unleash/deploy/securing-unleash-v3.md
Drew Gorton b2b19e4970
Navigation refactor (#5227)
## About the changes
Refactor the main nav, with the following goals: 
* Communicate the value of each section vs the format (ex:
“Understanding Unleash” vs “Topic Guides”)
* Make space for the Feature Flag tutorials section that we’re starting
to build
* Scope updates to navigation and pages that need updates based on new
URLs & organization
* Update URLs to follow the new hierarchy without breaking links (adding
redirects & editing internal links between pages as needed)

### Important files
sidebar.js
docusaurus.config.js

## Discussion points
* Redirects can't be tested out of prod, which is a bummer :/
* Some URLs have been preserved untouched while we monitor for potential
negative SEO impact of client-side redirects
* It's a large PR (sorry). Nav changes and file movements impacted lots
of files.

---------

Co-authored-by: Thomas Heartman <thomas@getunleash.ai>
2023-10-31 09:38:03 -05:00

3.7 KiB

title
Securing Unleash v3

This guide is only relevant if you are using Unleash Open-Source. The Enterprise edition does already ship with a secure setup and multiple SSO options.

The Unleash API is split into two different paths: /api/client and /api/admin. This makes it easy to have different authentication strategy for the admin interface and the client-api used by the applications integrating with Unleash.

General settings

Unleash uses an encrypted cookie to maintain a user session. This allows users to be logged in across multiple instances of Unleash. To protect this cookie, Unleash will automatically generate a secure token the first time you start Unleash.

Securing the Admin API

To secure the Admin API, you have to tell Unleash that you are using a custom admin authentication and implement your authentication logic as a preHook.

const unleash = require('unleash-server');
const myCustomAdminAuth = require('./auth-hook');

unleash
  .start({
    databaseUrl: 'postgres://unleash_user:passord@localhost:5432/unleash',
    adminAuthentication: 'custom',
    preRouterHook: myCustomAdminAuth,
  })
  .then((unleash) => {
    console.log(
      `Unleash started on http://localhost:${unleash.app.get('port')}`,
    );
  });

Additionally, you can trigger the admin interface to prompt the user to sign in by configuring your middleware to return a 401 status on protected routes. The response body must contain a message and a path used to redirect the user to the proper login route.

{
  "message": "You must be logged in to use Unleash",
  "path": "/custom/login"
}

Examples of custom authentication hooks:

Securing the Client API

A common way to support client access is to use pre-shared secrets. This can be solved by having clients send a shared key in an HTTP header with every client request to the Unleash API. All official Unleash clients should support this.

In the Java client this would look like this:

UnleashConfig unleashConfig = UnleashConfig.builder()
  .appName("my-app")
  .instanceId("my-instance-1")
  .unleashAPI(unleashAPI)
  .customHttpHeader("Authorization", "12312Random")
  .build();

On the Unleash server side, you need to implement a preRouter hook which verifies that all calls to /api/client include this pre-shared key in the defined header. This could look something like this.

const unleash = require('unleash-server');
const sharedSecret = '12312Random';

unleash
  .start({
    databaseUrl: 'postgres://unleash_user:passord@localhost:5432/unleash',
    preRouterHook: (app) => {
      app.use('/api/client', (req, res, next) => {
        if (req.header('authorization') !== sharedSecret) {
          res.sendStatus(401);
        } else {
          next();
        }
      });
    },
  })
  .then((unleash) => {
    console.log(
      `Unleash started on http://localhost:${unleash.app.get('port')}`,
    );
  });

client-auth-unleash.js