client_certificate_authentication_with_pkcs12.rb

#!/usr/bin/env ruby
# Usage: $0 URL CERT CERT_PASSWD

require 'net/https'
require 'open-uri'

uri = URI.parse(ARGV[0])
pkcs12 =
  OpenSSL::PKCS12.new(File.read(ARGV[1]), ARGV[2] ? ARGV[2] : '')

session = Net::HTTP.new(uri.host, uri.port)
session.use_ssl = true
session.key = pkcs12.key
session.cert = pkcs12.certificate

res = session.get('/')
puts res.body