Contents

module RSocks

  class Authenticator

    attr_reader :username, :password

    def initialize(adaptor = nil)
      @default_user = ENV['RSOCKS_USER'] || 'default'
      @default_password = ENV['RSOCKS_PASSWORD'] || 'default'
      @adaptor = adaptor
    end

    def auth!(data)
      return false if data.unpack('C')[0] != RSocks::AUTH_HEADER
      validate(data[1..-1])
    end

    private

    def validate(data)
      @username, remain = get_username(data)
      @password = get_password(remain)

      if @adaptor.nil?
        @username == @default_user && @password == @default_password
      else
        @adaptor.call(@username, @password)
      end
    end

    def get_username(data)
      name_size = data.unpack('C')[0]
      username = data[1..name_size]
      [username, data[(name_size + 1)..-1]]
    end

    def get_password(data)
      password_size = data.unpack('C')[0]
      password = data[1..password_size]
      password
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
r_socks-0.2.11	lib/r_socks/authenticator.rb
r_socks-0.2.10	lib/r_socks/authenticator.rb
r_socks-0.2.9	lib/r_socks/authenticator.rb
r_socks-0.2.8	lib/r_socks/authenticator.rb
r_socks-0.2.7	lib/r_socks/authenticator.rb