/usr/lib/ruby/1.8/webrick/httpresponse.rb is in libruby1.8 1.8.7.352-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 | #
# 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
|