oauth_provider_console.rb

ca = ClientApplication.create(:name => 'Test Consumer App', :url => 'http://consumerapp.local')

consumer = OAuth::Consumer.new(ca.key, ca.secret, :site => 'http://localhost:3000')
request_token = consumer.get_request_token

`open #{request_token.authorize_url}`

# after POSTing that form...

db_request_token = RequestToken.last 

# the POST would redirect to #{ca.callback_url}?oauth_token=#{db_request_token.token}&oauth_verifier=#{db_request_token.verifier} if ca.callback_url is not nil

access_token = OAuth::RequestToken.new(consumer, request_token.token, db_request_token.token).get_access_token(:oauth_verifier => db_request_token.verifier)
access_token.get('/some/protected/action')