adammiribyan/callback.erb

## callback.erb
<!doctype html>
  <head>
    <title>Stripe OAuth Example</title>
  </head>
  <body>
    <%= @access_token %>
  </body>
</html>

## config.yml
api_key: YOUR_SECRET_API_KEY
client_id: YOUR_CLIENT_ID

## index.erb
<!doctype html>
  <head>
    <title>Stripe OAuth Example</title>
  </head>
  <body>
    <a href="/authorize">Connect with Stripe</a>
  </body>
</html>

## server.rb
require 'rubygems'
require 'sinatra'
require 'oauth2'
require 'yaml'
require 'json'
require 'stripe'

class Server < Sinatra::Base

  configure do
    config = YAML::load(File.open('config.yml'))

    set :api_key, config['api_key']
    set :client_id, config['client_id']

    options = {
      :site => 'https://connect.stripe.com',
      :authorize_url => '/oauth/authorize',
      :token_url => '/oauth/token'
    }

    set :client, OAuth2::Client.new(settings.client_id, '', options)
  end

  get '/' do
    erb :index
  end

  get '/authorize' do
    params = {
      :scope => 'read_write'
    }

    # Redirect the user to the authorize_uri endpoint
    url = settings.client.auth_code.authorize_url(params)
    redirect url
  end

  get '/oauth/callback' do
    # Pull the authorization_code out of the response
    code = params[:code]

    # Use Bearer Authorization with our secret live API key
    params = {
      :headers => {'Authorization' => "Bearer #{settings.api_key}"}
    }

    # Make a request to the access_token_uri endpoint to get an access_token
    @resp = settings.client.auth_code.get_token(code, params)
    @access_token = @resp.token

    # Use the access_token as you would a regular live-mode API key
    # TODO: Stripe logic

    erb :callback
  end
end

Server.run!
	<!doctype html>
	<head>
	<title>Stripe OAuth Example</title>
	</head>
	<body>
	<%= @access_token %>
	</body>
	</html>
	require 'rubygems'
	require 'sinatra'
	require 'oauth2'
	require 'yaml'
	require 'json'
	require 'stripe'

	class Server < Sinatra::Base

	configure do
	config = YAML::load(File.open('config.yml'))

	set :api_key, config['api_key']
	set :client_id, config['client_id']

	options = {
	:site => 'https://connect.stripe.com',
	:authorize_url => '/oauth/authorize',
	:token_url => '/oauth/token'
	}

	set :client, OAuth2::Client.new(settings.client_id, '', options)
	end

	get '/' do
	erb :index
	end

	get '/authorize' do
	params = {
	:scope => 'read_write'
	}

	# Redirect the user to the authorize_uri endpoint
	url = settings.client.auth_code.authorize_url(params)
	redirect url
	end

	get '/oauth/callback' do
	# Pull the authorization_code out of the response
	code = params[:code]

	# Use Bearer Authorization with our secret live API key
	params = {
	:headers => {'Authorization' => "Bearer #{settings.api_key}"}
	}

	# Make a request to the access_token_uri endpoint to get an access_token
	@resp = settings.client.auth_code.get_token(code, params)
	@access_token = @resp.token

	# Use the access_token as you would a regular live-mode API key
	# TODO: Stripe logic

	erb :callback
	end
	end

	Server.run!