Post to Twitter with OmniAuth

Gemfile

gem 'omniauth'
gem 'omniauth-twitter'

omniauth_config.rb

Rails.application.config.middleware.use OmniAuth::Builder do
  provider :twitter, YOUR_CONSUMER_KEY, YOUR_CONSUMER_SECRET
end

routes.rb

Hoge::Application.routes.draw do
  match '/auth/:provider/callback' => 'sessions#callback'
end