A template to get started with OAuth 2.0 authentication with Readmill

gistfile1.rb

set :readmill_client_id, "xxx"
set :readmill_client_secret, "xxx"


get '/auth' do
  callback = "http://myapp.com/callback"
  redirect "https://readmill.com/oauth/authorize?response_type=code&client_id=#{settings.readmill_client_id}&redirect_uri=#{callback}&scope=non-expiring"
end

get '/callback' do
  callback = "http://myapp.com/callback"
  
  token_params = {
    :grant_type => 'authorization_code',
    :client_id => settings.readmill_client_id,
    :client_secret => settings.readmill_client_secret,
    :redirect_uri => callback,
    :code => params[:code],
    :scope => 'non-expiring'
  }
  
  resp = JSON.parse(RestClient.post("https://readmill.com/oauth/token.json", token_params).to_str) rescue nil
  

  data = fetch_and_parse("https://api.readmill.com/v2/me.json", resp['access_token'])
  
  #data is now the authenticated user
end

def fetch_and_parse(uri, token)
  url = "#{uri}?client_id=#{settings.readmill_client_id}"
  url = "#{url}&access_token=#{token}" if token
  content = RestClient.get(url, :accept => :json).to_str
  JSON.parse(content) rescue nil
end