gistfile1.rb

# Først må du gjøre:
#
#   gem install httpclient
#


require 'httpclient'
require 'json'

class KryssordWrapper

  class APIError < StandardError; end

  def initialize
    @client = HTTPClient.new
    # Slå på for å få debug-output:
    #@client.debug_dev = $stdout
  end

  def login(username, password)
    response = check_response(@client.request('POST', "http://www.kryssord.no/leksikon/index.php", nil, {
      'username' => username,
      'password' => password,
      'page_id' => 48
    }, {
      "Content-Type" => "application/x-www-form-urlencoded",
      "X-Requested-With" => "XMLHttpRequest"
    }))
    JSON.parse(response.body)
  end

  private

    def check_response(response)
      status = response.status.to_i
      unless (200..299).include?(status)
        raise APIError, "Failed with status #{status}"
      end
      response
    end

end

k = KryssordWrapper.new
p k.login("foo", "bar")