If you don’t do this, you’d always need to make sure you start the front end dev server before the backend one to make sure that the ports are consistent.
If you set the default to port for the API to 4000, you’ll have consistency with the two ports when you run both servers simultaneously.
If you’re going to use this api with a React application, you may want to set the default port to some other port (I’m using 4000) so that it won’t conflict with the react dev server. If we don’t this endpoint should return a 401 status code. serializeable_hash, status : :ok end endĪdding the before_action :authenticate_user will ensure that we only see a 200 response if we have a valid JWT in the headers. For example, you can modify the column name and data format by overwrite attribute:Ĭlass CurrentUserController < ApplicationController before_action :authenticate_user! def index render json : UserSerialzier. Remember, you can use the attribute method in a serializer to add a property to the JSON response based on an expression you return from a block that has access to the object you’re serializing. dispatch_requests = [ [ 'POST', %r, status : :unauthorized end end end Here, we are going to add gem like ‘devise’ and ‘devise-jwt’ for authentication and the dispatch and revocation of JWT tokens and the‘jsonapi-serializer’ gem for formatting json responses.Ĭonfig. Note that when you’re ready to deploy, you will need to add an origin that matches the domain for your deployed client. I have gotten it working without the other exposed headers before, but I have heard from other instructors that some students have had issues until they exposed the other headers as well, so I’ve included them above as well. Here, we can see that there should be an “Authorization” header exposed which will be used to dispatch and receive JWT tokens in Auth headers. insert_before 0, Rack :: Cors do allow do origins ' resource ( '*', headers : :any, expose :, methods : ) end end Important Note: make sure to type this command in your terminal rather than copying and pasting it, I have had issues on my machine with the flags not registering if the command was copied and pasted! In this step, We need to create a rails application with api_only mode with optional database params to prepare for deployment later on. This isn’t performed automatically by the browser (as with cookies), but typically will be handled by a front-end framework as part of an AJAX call. With JSON Web Tokens (JWT), rather than using a cookie, a token is added to the request headers themselves (rather than stored/retrieved as a cookie). Devise and JWTĭevise-jwt is a devise extension which uses JSON Web Tokens(JWT) for user authentication.
Also this blog post on token recovation strategies was helpful to me in putting this together. Thanks to this tutorial on Tech Compose and the devise and devise-jwt gems. It performs better than ActiveModel Serializers and is a fork of the fast_jsonapi gem that was built by Netflix but is no longer actively maintained. The jsonapi-serializer gem is a lightning fast JSON:API serializer for Ruby Objects. I also recorded a walkthrough of the content in this post and shared it on YouTube as well if you’d like to follow along with that yourself. I created a GitHub template repository for this approach if you want to implement it in a project and play around with it. The original post (from December 2020) can be found on GitHub, but it’s been a couple of years so I wanted to bring it up to date with newer versions of ruby/rails/devise/devise-jwt and to swap out jsonapi-serializer for fast_jsonapi.
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