132 lines
2.5 KiB
Ruby
132 lines
2.5 KiB
Ruby
# -*- coding: binary -*-
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require 'rex/proto/http'
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module Rex
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module Proto
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module Http
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###
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#
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# HTTP response class.
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#
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###
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class Response < Packet
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##
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#
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# Builtin response class wrappers.
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#
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##
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#
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# HTTP 200/OK response class wrapper.
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#
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class OK < Response
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def initialize(message = 'OK', proto = DefaultProtocol)
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super(200, message, proto)
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end
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end
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#
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# HTTP 404/File not found response class wrapper.
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#
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class E404 < Response
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def initialize(message = 'File not found', proto = DefaultProtocol)
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super(404, message, proto)
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end
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end
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#
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# Constructage of the HTTP response with the supplied code, message, and
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# protocol.
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#
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def initialize(code = 200, message = 'OK', proto = DefaultProtocol)
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super()
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self.code = code.to_i
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self.message = message
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self.proto = proto
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# Default responses to auto content length on
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self.auto_cl = true
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# default chunk sizes (if chunked is used)
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self.chunk_min_size = 1
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self.chunk_max_size = 10
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# 100 continue counter
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self.count_100 = 0
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end
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#
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# Gets cookies from the Set-Cookie header in a format to be used
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# in the 'cookie' send_request field
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#
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def get_cookies
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cookies = ""
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if (self.headers.include?('Set-Cookie'))
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set_cookies = self.headers['Set-Cookie']
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key_vals = set_cookies.scan(/\s?([^, ;]+?)=(.*?);/)
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key_vals.each do |k, v|
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# Dont downcase actual cookie name as may be case sensitive
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name = k.downcase
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next if name == 'path'
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next if name == 'expires'
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next if name == 'domain'
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next if name == 'max-age'
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cookies << "#{k}=#{v}; "
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end
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end
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return cookies.strip
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end
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#
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# Updates the various parts of the HTTP response command string.
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#
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def update_cmd_parts(str)
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if (md = str.match(/HTTP\/(.+?)\s+(\d+)\s?(.+?)\r?\n?$/))
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self.message = md[3].gsub(/\r/, '')
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self.code = md[2].to_i
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self.proto = md[1]
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else
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raise RuntimeError, "Invalid response command string", caller
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end
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check_100()
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end
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#
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# Allow 100 Continues to be ignored by the caller
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#
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def check_100
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# If this was a 100 continue with no data, reset
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if self.code == 100 and (self.body_bytes_left == -1 or self.body_bytes_left == 0) and self.count_100 < 5
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self.reset_except_queue
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self.count_100 += 1
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end
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end
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#
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# Returns the response based command string.
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#
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def cmd_string
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"HTTP\/#{proto} #{code}#{(message and message.length > 0) ? ' ' + message : ''}\r\n"
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end
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#
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# Used to store a copy of the original request
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#
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attr_accessor :request
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attr_accessor :code
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attr_accessor :message
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attr_accessor :proto
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attr_accessor :count_100
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end
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end
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end
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end
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