Twitter OAuth on Rails

test_controller.rb

class TestController < ApplicationController

  def oauth_consumer
    @oauth_consumer ||= OAuth::Consumer.new(
      ENV["CONSUMER_KEY"],
      ENV["CONSUMER_SECRET"],
      :site => "http://twitter.com"
    )
  end

  def timeline
    access_token = OAuth::AccessToken.new(
      oauth_consumer,
      session[:access_token],
      session[:access_token_secret]
    )
    @response = access_token.get('https://api.twitter.com/1/statuses/home_timeline.json')
  end

  def sample_auth
    request_token = OAuth::RequestToken.new(
      oauth_consumer,
      session[:request_token],                                                                  
      session[:request_token_secret]                                                            
    ) 
    @access_token = request_token.get_access_token(                                           
      {},
      :oauth_verifier => params[:oauth_verifier],                                             
      :oauth_token => params[:oauth_token]                                                    
    )
    session[:access_token] = @access_token.token                                                
    session[:access_token_secret] = @access_token.secret
  end

  def sample_request
    request_token = oauth_consumer.get_request_token(
      :oauth_callback => "http://0.0.0.0:3000/test/sample_auth"
    )
    session[:request_token] = request_token.token
    session[:request_token_secret] = request_token.secret
    @auth_url = "https://api.twitter.com/oauth/authorize?oauth_token=#{request_token.token}"
  end

end