handy code for creating OAuth access token in Sinatra

gistfile1.rb

  # ....
  get '/start' do
    consumer = OAuth::Consumer.new( ENV['OAUTH_KEY'], ENV['OAUTH_SECRET'], {
      :site               => "https://api.twitter.com",
      :request_token_path => '/oauth/request_token'
    })
    request_token = consumer.get_request_token({:oauth_callback => ENV['OAUTH_CALLBACK']})
    response.set_cookie( "oauth_request_token", request_token.params['oauth_token_secret'] )
    redirect request_token.authorize_url
  end
  
  get '/complete' do
    consumer = OAuth::Consumer.new( ENV['OAUTH_KEY'], ENV['OAUTH_SECRET'], {
      :site               => "https://api.twitter.com",
      :access_token_path  => '/oauth/access_token'
    })
    request_token = OAuth::RequestToken.new( consumer, params[:oauth_token], request.cookies['oauth_token_secret'])
    access_token = request_token.get_access_token({:oauth_token_verifier => params[:oauth_token_verifier]})

  end
  # ....