configure_connection_for_https

# File lib/rubygems/request.rb, line 48
  def self.configure_connection_for_https(connection, cert_files)
    require 'net/https'
    connection.use_ssl = true
    connection.verify_mode =
      Gem.configuration.ssl_verify_mode || OpenSSL::SSL::VERIFY_PEER
    store = OpenSSL::X509::Store.new

    if Gem.configuration.ssl_client_cert then
      pem = File.read Gem.configuration.ssl_client_cert
      connection.cert = OpenSSL::X509::Certificate.new pem
      connection.key = OpenSSL::PKey::RSA.new pem
    end

    store.set_default_paths
    cert_files.each do |ssl_cert_file|
      store.add_file ssl_cert_file
    end
    if Gem.configuration.ssl_ca_cert
      if File.directory? Gem.configuration.ssl_ca_cert
        store.add_path Gem.configuration.ssl_ca_cert
      else
        store.add_file Gem.configuration.ssl_ca_cert
      end
    end
    connection.cert_store = store

    connection.verify_callback = proc do |preverify_ok, store_context|
      verify_certificate store_context unless preverify_ok

      preverify_ok
    end

    connection
  rescue LoadError => e
    raise unless (e.respond_to?(:path) && e.path == 'openssl') ||
                 e.message =~ / -- openssl$/

    raise Gem::Exception.new(
            'Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources')
  end