ronin-rb/ronin-exploits

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lib/ronin/exploits/metadata/cookie_param.rb

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# frozen_string_literal: true
#
# ronin-exploits - A Ruby library for ronin-rb that provides exploitation and
# payload crafting functionality.
#
# Copyright (c) 2007-2023 Hal Brodigan (postmodern.mod3 at gmail.com)
#
# ronin-exploits is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ronin-exploits is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with ronin-exploits.  If not, see <https://www.gnu.org/licenses/>.
#

module Ronin
  module Exploits
    module Metadata
      #
      # Adds a {CookieParam::ClassMethods#cookie_param cookie_param} metadata
      # attribute to an exploit class.
      #
      module CookieParam
        #
        # Adds {ClassMethods} to the exploit class.
        #
        # @param [Class<Exploit>] exploit
        #   The exploit class including {CookieParam}.
        #
        # @api private
        #
        def self.included(exploit)
          exploit.extend ClassMethods
        end

        #
        # Class-methods.
        #
        module ClassMethods
          #
          # Get or sets the target Cookie param of the exploit.
          #
          # @param [String, nil] new_cookie_param
          #   The optional new Cookie param value to set.
          #
          # @return [String, nil]
          #   The set Cookie param value.
          #
          # @api public
          #
          def cookie_param(new_cookie_param=nil)
            if new_cookie_param
              @cookie_param = new_cookie_param
            else
              @cookie_param ||= if superclass.kind_of?(ClassMethods)
                                  superclass.cookie_param
                                end
            end
          end
        end

        #
        # The target Cookie param of the exploit.
        #
        # @return [String, nil]
        #   The Cookie param name to exploit.
        #
        # @api public
        #
        # @see ClassMethods#cookie_param
        #
        def cookie_param
          self.class.cookie_param
        end
      end
    end
  end
end