Command line oauth authorizer

oauth_authorise.rb

#!/usr/bin/ruby

require 'rubygems'
require 'oauth'
require 'oauth/consumer'

site = ARGV[0]
consumer_token = ARGV[1]
consumer_secret = ARGV[2]

if site.nil?
  puts "Please specify a site (e.g. http://muddy.it)"
  exit
end

if consumer_token.nil?
  puts "Please specify a consumer token"
  exit
end

if consumer_secret.nil?
  puts "Please specify a consumer secret"
  exit
end

puts "Please ensure you have firefox open and are logged into #{site} then press enter"
a = STDIN.getc

@consumer=OAuth::Consumer.new consumer_token, consumer_secret, {:site => site }
@request_token=@consumer.get_request_token
url = @request_token.authorize_url

puts "Opening #{url} in firefox window ..."
puts system("firefox #{url}")

puts
puts "Please authorise the application then press enter"
a = STDIN.getc

@access_token=@request_token.get_access_token
puts "Access token : #{@access_token.token}"
puts "Access token secret : #{@access_token.secret}"