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#
# cgihandler.rb -- CGIHandler Class
#
# Author: IPR -- Internet Programming with Ruby -- writers
# Copyright (c) 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou
# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
# reserved.
#
# $IPR: cgihandler.rb,v 1.27 2003/03/21 19:56:01 gotoyuzo Exp $
require 'rbconfig'
require 'tempfile'
require 'webrick/config'
require 'webrick/httpservlet/abstract'
module WEBrick
module HTTPServlet
##
# Servlet for handling CGI scripts
#
# Example:
#
# server.mount('/cgi/my_script', WEBrick::HTTPServlet::CGIHandler,
# '/path/to/my_script')
class CGIHandler < AbstractServlet
Ruby = RbConfig.ruby # :nodoc:
CGIRunner = "\"#{Ruby}\" \"#{WEBrick::Config::LIBDIR}/httpservlet/cgi_runner.rb\"" # :nodoc:
##
# Creates a new CGI script servlet for the script at +name+
def initialize(server, name)
super(server, name)
@script_filename = name
@tempdir = server[:TempDir]
@cgicmd = "#{CGIRunner} #{server[:CGIInterpreter]}"
end
# :stopdoc:
def do_GET(req, res)
data = nil
status = -1
cgi_in = IO::popen(@cgicmd, "wb")
cgi_out = Tempfile.new("webrick.cgiout.", @tempdir, mode: IO::BINARY)
cgi_out.set_encoding("ASCII-8BIT")
cgi_err = Tempfile.new("webrick.cgierr.", @tempdir, mode: IO::BINARY)
cgi_err.set_encoding("ASCII-8BIT")
begin
cgi_in.sync = true
meta = req.meta_vars
meta["SCRIPT_FILENAME"] = @script_filename
meta["PATH"] = @config[:CGIPathEnv]
if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
meta["SystemRoot"] = ENV["SystemRoot"]
end
dump = Marshal.dump(meta)
cgi_in.write("%8d" % cgi_out.path.bytesize)
cgi_in.write(cgi_out.path)
cgi_in.write("%8d" % cgi_err.path.bytesize)
cgi_in.write(cgi_err.path)
cgi_in.write("%8d" % dump.bytesize)
cgi_in.write(dump)
if req.body and req.body.bytesize > 0
cgi_in.write(req.body)
end
ensure
cgi_in.close
status = $?.exitstatus
sleep 0.1 if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
data = cgi_out.read
cgi_out.close(true)
if errmsg = cgi_err.read
if errmsg.bytesize > 0
@logger.error("CGIHandler: #{@script_filename}:\n" + errmsg)
end
end
cgi_err.close(true)
end
if status != 0
@logger.error("CGIHandler: #{@script_filename} exit with #{status}")
end
data = "" unless data
raw_header, body = data.split(/^[\xd\xa]+/, 2)
raise HTTPStatus::InternalServerError,
"Premature end of script headers: #{@script_filename}" if body.nil?
begin
header = HTTPUtils::parse_header(raw_header)
if /^(\d+)/ =~ header['status'][0]
res.status = $1.to_i
header.delete('status')
end
if header.has_key?('location')
# RFC 3875 6.2.3, 6.2.4
res.status = 302 unless (300...400) === res.status
end
if header.has_key?('set-cookie')
header['set-cookie'].each{|k|
res.cookies << Cookie.parse_set_cookie(k)
}
header.delete('set-cookie')
end
header.each{|key, val| res[key] = val.join(", ") }
rescue => ex
raise HTTPStatus::InternalServerError, ex.message
end
res.body = body
end
alias do_POST do_GET
# :startdoc:
end
end
end
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