ydn_get_access_token.rb

require 'rubygems'
require 'oauth/consumer'
OAuth::VERSION = 1.0 

print 'Consumer Key > '; consumer_key = gets.chomp.strip
print 'Consumer Secret > '; consumer_secret = gets.chomp.strip
consumer = OAuth::Consumer.new(consumer_key, consumer_secret,
                              {:site => "https://api.login.yahoo.com",
                               :request_token_path => "/oauth/v2/get_request_token",
                               :authorize_path => "/oauth/v2/request_auth",
                               :access_token_path => "/oauth/v2/get_token"})

request_token = consumer.get_request_token
puts "authorize URL: #{request_token.authorize_url}"

print 'oauth_verifier(code) > '; oauth_verifier = gets.chomp.strip
access_token = request_token.get_access_token(:oauth_verifier => oauth_verifier)

puts "access token: #{access_token.token}"
puts "access secret: #{access_token.secret}"