##   RSence
 #   Copyright 2008 Riassence Inc.
 #   http://riassence.com/
 #
 #   You should have received a copy of the GNU General Public License along
 #   with this software package. If not, contact licensing@riassence.com
 ##



require 'rubygems'
require 'rack'

module RSence
  
  # Simple Request class, slightly more involved
  # than the Rack::Request it's extending.
  class Request < Rack::Request
    attr_reader :header, :path, :query
    class RequestHeader < Hash
      def [](key)
        super(key.downcase)
      end
    end
    def initialize(env)
      @header = RequestHeader.new
      super
      env2header()
      @path = path_info()
      @query = params()
    end
    def unparsed_uri
      return @header['request-uri']
    end
    def env2header
      [ ['SERVER_NAME',           'server-name'],
        ['HTTP_USER_AGENT',       'user-agent'],
        ['HTTP_ACCEPT_ENCODING',  'accept-encoding'],
        ['PATH_INFO',             'path-info'],
        ['HTTP_HOST',             'host'],
        ['HTTP_ACCEPT_LANGUAGE',  'accept-language'],
        ['SERVER_PROTOCOL',       'server-protocol'],
        ['REQUEST_PATH',          'request-path'],
        ['HTTP_KEEP_ALIVE',       'keep-alive'],
        ['SERVER_SOFTWARE',       'server-software'],
        ['REMOTE_ADDR',           'remote-addr'],
        ['HTTP_REFERER',          'referer'],
        ['HTTP_VERSION',          'version'],
        ['HTTP_ACCEPT_CHARSET',   'accept-charset'],
        ['REQUEST_URI',           'request-uri'],
        ['SERVER_PORT',           'server-port'],
        ['QUERY_STRING',          'query-string'],
        ['HTTP_ACCEPT',           'accept'],
        ['REQUEST_METHOD',        'request-method'],
        ['HTTP_CONNECTION',       'connection'],
        ['HTTP_SOAPACTION',       'soapaction'],
        ['HTTP_FORWARDED_HOST',   'forwarded-host']
      ].each do |env_key,header_key|
        if @env.has_key?(env_key)
          @header[header_key] = @env[env_key]
        end
        if env_key.start_with?( 'HTTP_' )
          x_env_key = "HTTP_X#{env_key[4..-1]}"
          if @env.has_key?( x_env_key )
            @header["x-#{header_key}"] = @env[ x_env_key ]
          end
        end
      end
    end
  end
end