Terminalwire Rails Auth

active_exchange.rb

module ActiveExchange
  class Channel
    def initialize(name:, server: ActiveExchange.server)
      @server = server
      @channel = name
      @queue = Queue.new
      @subscribe = false
    end

    def broadcast(message)
      Rails.logger.info "ActiveExchange: Publishing #{message.inspect} to #{@channel.inspect}"
      @server.broadcast(@channel, message)
    end

    def subscribe
      return if @subscribed
      @subscribed = true
      Rails.logger.info "ActiveExchange: Subscribed to #{@channel.inspect}"
      @server.subscribe(@channel, -> (message) { @queue << message })
    end

    def read
      subscribe
      @queue.pop
    end
  end

  def self.server
    ActionCable.server.pubsub
  end
end

authentications_controller.rb

class CLI::AuthorizationsController < ApplicationController
  before_action :authorize_user

  include Superview::Actions

  class Form < ApplicationForm
    def template
      # field(:id).input(type: :hidden)
      div class: "flex flex-row gap-4 w-full" do
        input(type: "submit", class: "btn btn-primary", value: "Approve")
        input(type: "cancel", class: "btn btn-outline btn-error", value: "Deny")
      end
    end
  end

  class New < FocusedView
    def title = "Authorize TinyZap Command Line App"

    def template
      p { "Click the button to Authorize the CLI" }
      render Form.new(User.new(id: current_user.id))
    end
  end

  class Show < FocusedView
    def title = "Successfully Authorized Command Line App"
    def template
      p { "You may now close this window and continue using the CLI" }
    end
  end

  def create
    ActiveExchange::Channel.new(name: "authorization").broadcast(JSON.generate(user_id: current_user.id))
    redirect_to url_for(action: :show, id: "close")
  end
end

main_terminal.rb

class MainTerminal < ApplicationTerminal
  desc "version", "Prints the version of the CLI"
  def version
    puts "1.0"
  end

  desc "open", "Opens TinyZap.com in your browser"
  def open
    browser.launch "https://tinyzap.com/"
  end

  desc "login", "Login to TinyZap"
  def login
    puts "Login to TinyZap"

    nonce = SecureRandom.hex(32)
    authorization_url = "http://localhost:3000/cli/authorizations/new?nonce=#{nonce}"
    browser.launch authorization_url

    puts "Waiting for authorization approval from #{authorization_url}..."
    authorization = ActiveExchange::Channel.new(name: "authorization")

    if user_id = JSON.parse(authorization.read).fetch("user_id")
      self.current_user = User.find(user_id)
      puts "Welcome #{current_user.email}"
    else
      puts "Well that didn't work"
    end
  end

  desc "logout", "Logout of your account"
  def logout
    session.reset
    puts "Successfully logged out."
  end

  desc "whoami", "Prints your current login information"
  def whoami
    if current_user
      puts "Email: #{current_user.email}"
    else
      puts "Run `tinyzap login` to login"
    end
  end

  desc "links", "Manage links"
  subcommand "links", LinksTerminal
end