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?? accesslog.rb(2.25 KB)
?? cgi.rb(6.92 KB)
?? compat.rb(436 B)
?? config.rb(3.13 KB)
?? cookie.rb(3.03 KB)
?? htmlutils.rb(584 B)
?? httpauth
?? httpauth.rb(1.31 KB)
?? httpproxy.rb(7.46 KB)
?? httprequest.rb(9.99 KB)
?? httpresponse.rb(7.96 KB)
?? https.rb(1.64 KB)
?? httpserver.rb(5.63 KB)
?? httpservlet
?? httpservlet.rb(669 B)
?? httpstatus.rb(3.51 KB)
?? httputils.rb(9.96 KB)
?? httpversion.rb(1.12 KB)
?? log.rb(2.03 KB)
?? server.rb(5.28 KB)
?? ssl.rb(4.22 KB)
?? utils.rb(2.54 KB)
?? version.rb(351 B)

Editing: httpresponse.rb

#
# httpresponse.rb -- HTTPResponse Class
#
# Author: IPR -- Internet Programming with Ruby -- writers
# Copyright (c) 2000, 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou
# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
# reserved.
#
# $IPR: httpresponse.rb,v 1.45 2003/07/11 11:02:25 gotoyuzo Exp $

require 'time'
require 'webrick/httpversion'
require 'webrick/htmlutils'
require 'webrick/httputils'
require 'webrick/httpstatus'

module WEBrick
  class HTTPResponse
    BUFSIZE = 1024*4

attr_reader :http_version, :status, :header
    attr_reader :cookies
    attr_accessor :reason_phrase
    attr_accessor :body

attr_accessor :request_method, :request_uri, :request_http_version
    attr_accessor :filename
    attr_accessor :keep_alive
    attr_reader :config, :sent_size

def initialize(config)
      @config = config
      @logger = config[:Logger]
      @header = Hash.new
      @status = HTTPStatus::RC_OK
      @reason_phrase = nil
      @http_version = HTTPVersion::convert(@config[:HTTPVersion])
      @body = ''
      @keep_alive = true
      @cookies = []
      @request_method = nil
      @request_uri = nil
      @request_http_version = @http_version  # temporary
      @chunked = false
      @filename = nil
      @sent_size = 0
    end

def status_line
      "HTTP/#@http_version #@status #@reason_phrase #{CRLF}"
    end

def status=(status)
      @status = status
      @reason_phrase = HTTPStatus::reason_phrase(status)
    end

def [](field)
      @header[field.downcase]
    end

def []=(field, value)
      @header[field.downcase] = value.to_s
    end

def content_length
      if len = self['content-length']
        return Integer(len)
      end
    end

def content_length=(len)
      self['content-length'] = len.to_s
    end

def content_type
      self['content-type']
    end

def content_type=(type)
      self['content-type'] = type
    end

def each
      @header.each{|k, v|  yield(k, v) }
    end

def chunked?
      @chunked
    end

def chunked=(val)
      @chunked = val ? true : false
    end

def keep_alive?
      @keep_alive
    end

def send_response(socket)
      begin
        setup_header()
        send_header(socket)
        send_body(socket)
      rescue Errno::EPIPE, Errno::ECONNRESET, Errno::ENOTCONN => ex
        @logger.debug(ex)
        @keep_alive = false
      rescue Exception => ex
        @logger.error(ex)
        @keep_alive = false
      end
    end

def setup_header()
      @reason_phrase    ||= HTTPStatus::reason_phrase(@status)
      @header['server'] ||= @config[:ServerSoftware]
      @header['date']   ||= Time.now.httpdate

# HTTP/0.9 features
      if @request_http_version < "1.0"
        @http_version = HTTPVersion.new("0.9")
        @keep_alive = false
      end

# HTTP/1.0 features
      if @request_http_version < "1.1"
        if chunked?
          @chunked = false
          ver = @request_http_version.to_s
          msg = "chunked is set for an HTTP/#{ver} request. (ignored)"
          @logger.warn(msg)
        end
      end

# Determine the message length (RFC2616 -- 4.4 Message Length)
      if @status == 304 || @status == 204 || HTTPStatus::info?(@status)
        @header.delete('content-length')
        @body = ""
      elsif chunked?
        @header["transfer-encoding"] = "chunked"
        @header.delete('content-length')
      elsif %r{^multipart/byteranges} =~ @header['content-type']
        @header.delete('content-length')
      elsif @header['content-length'].nil?
        unless @body.is_a?(IO)
          @header['content-length'] = @body ? @body.size : 0
        end
      end

# Keep-Alive connection.
      if @header['connection'] == "close"
         @keep_alive = false
      elsif keep_alive?
        if chunked? || @header['content-length']
          @header['connection'] = "Keep-Alive"
        end
      else
        @header['connection'] = "close"
      end

# Location is a single absoluteURI.
      if location = @header['location']
        if @request_uri
          @header['location'] = @request_uri.merge(location)
        end
      end
    end

def send_header(socket)
      if @http_version.major > 0
        data = status_line()
        @header.each{|key, value|
          tmp = key.gsub(/\bwww|^te$|\b\w/){|s| s.upcase }
          data << "#{tmp}: #{value}" << CRLF
        }
        @cookies.each{|cookie|
          data << "Set-Cookie: " << cookie.to_s << CRLF
        }
        data << CRLF
        _write_data(socket, data)
      end
    end

def send_body(socket)
      case @body
      when IO then send_body_io(socket)
      else send_body_string(socket)
      end
    end

def to_s
      ret = ""
      send_response(ret)
      ret
    end

def set_redirect(status, url)
      @body = "<HTML><A HREF=\"#{url.to_s}\">#{url.to_s}</A>.</HTML>\n"
      @header['location'] = url.to_s
      raise status
    end

def set_error(ex, backtrace=false)
      case ex
      when HTTPStatus::Status 
        @keep_alive = false if HTTPStatus::error?(ex.code)
        self.status = ex.code
      else 
        @keep_alive = false
        self.status = HTTPStatus::RC_INTERNAL_SERVER_ERROR
      end
      @header['content-type'] = "text/html; charset=ISO-8859-1"

if respond_to?(:create_error_page)
        create_error_page()
        return
      end

if @request_uri
        host, port = @request_uri.host, @request_uri.port
      else
        host, port = @config[:ServerName], @config[:Port]
      end

@body = ''
      @body << <<-_end_of_html_
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
<HTML>
  <HEAD><TITLE>#{HTMLUtils::escape(@reason_phrase)}</TITLE></HEAD>
  <BODY>
    <H1>#{HTMLUtils::escape(@reason_phrase)}</H1>
    #{HTMLUtils::escape(ex.message)}
    <HR>
      _end_of_html_

if backtrace && $DEBUG
        @body << "backtrace of `#{HTMLUtils::escape(ex.class.to_s)}' "
        @body << "#{HTMLUtils::escape(ex.message)}"
        @body << "<PRE>"
        ex.backtrace.each{|line| @body << "\t#{line}\n"}
        @body << "</PRE><HR>"
      end

@body << <<-_end_of_html_
    <ADDRESS>
     #{HTMLUtils::escape(@config[:ServerSoftware])} at
     #{host}:#{port}
    </ADDRESS>
  </BODY>
</HTML>
      _end_of_html_
    end

private

def send_body_io(socket)
      begin
        if @request_method == "HEAD"
          # do nothing
        elsif chunked?
          while buf = @body.read(BUFSIZE)
            next if buf.empty?
            data = ""
            data << format("%x", buf.size) << CRLF
            data << buf << CRLF
            _write_data(socket, data)
            @sent_size += buf.size
          end
          _write_data(socket, "0#{CRLF}#{CRLF}")
        else
          size = @header['content-length'].to_i
          _send_file(socket, @body, 0, size)
          @sent_size = size
        end
      ensure
        @body.close
      end
    end

def send_body_string(socket)
      if @request_method == "HEAD"
        # do nothing
      elsif chunked?
        remain = body ? @body.size : 0
        while buf = @body[@sent_size, BUFSIZE]
          break if buf.empty?
          data = ""
          data << format("%x", buf.size) << CRLF
          data << buf << CRLF
          _write_data(socket, data)
          @sent_size += buf.size
        end
        _write_data(socket, "0#{CRLF}#{CRLF}")
      else
        if @body && @body.size > 0
          _write_data(socket, @body)
          @sent_size = @body.size
        end
      end
    end

def _send_file(output, input, offset, size)
      while offset > 0
        sz = BUFSIZE < offset ? BUFSIZE : offset
        buf = input.read(sz)
        offset -= buf.size
      end

if size == 0
        while buf = input.read(BUFSIZE)
          _write_data(output, buf)
        end
      else
        while size > 0
          sz = BUFSIZE < size ? BUFSIZE : size
          buf = input.read(sz)
          _write_data(output, buf)
          size -= buf.size
        end
      end
    end

def _write_data(socket, data)
      socket << data
    end
  end
end

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