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# SOAP4R - SOAP handler servlet for WEBrick
# Copyright (C) 2001-2005 NAKAMURA, Hiroshi <nahi@ruby-lang.org>.
# This program is copyrighted free software by NAKAMURA, Hiroshi. You can
# redistribute it and/or modify it under the same terms of Ruby's license;
# either the dual license version in 2003, or any later version.
require 'webrick/httpservlet/abstract'
require 'webrick/httpstatus'
require 'soap/rpc/router'
require 'soap/streamHandler'
begin
require 'stringio'
require 'zlib'
rescue LoadError
warn("Loading stringio or zlib failed. No gzipped response supported.") if $DEBUG
end
warn("Overriding WEBrick::Log#debug") if $DEBUG
require 'webrick/log'
module WEBrick
class Log < BasicLog
alias __debug debug
def debug(msg = nil)
if block_given? and msg.nil?
__debug(yield)
else
__debug(msg)
end
end
end
end
module SOAP
module RPC
class SOAPlet < WEBrick::HTTPServlet::AbstractServlet
public
attr_reader :options
def initialize(router = nil)
@router = router || ::SOAP::RPC::Router.new(self.class.name)
@options = {}
@config = {}
end
# for backward compatibility
def app_scope_router
@router
end
# for backward compatibility
def add_servant(obj, namespace)
@router.add_rpc_servant(obj, namespace)
end
def allow_content_encoding_gzip=(allow)
@options[:allow_content_encoding_gzip] = allow
end
###
## Servlet interfaces for WEBrick.
#
def get_instance(config, *options)
@config = config
self
end
def require_path_info?
false
end
def do_GET(req, res)
res.header['Allow'] = 'POST'
raise WEBrick::HTTPStatus::MethodNotAllowed, "GET request not allowed"
end
def do_POST(req, res)
logger.debug { "SOAP request: " + req.body } if logger
begin
conn_data = ::SOAP::StreamHandler::ConnectionData.new
setup_req(conn_data, req)
conn_data = @router.route(conn_data)
setup_res(conn_data, req, res)
rescue Exception => e
conn_data = @router.create_fault_response(e)
res.status = WEBrick::HTTPStatus::RC_INTERNAL_SERVER_ERROR
res.body = conn_data.send_string
res['content-type'] = conn_data.send_contenttype || "text/xml"
end
if res.body.is_a?(IO)
res.chunked = true
logger.debug { "SOAP response: (chunked response not logged)" } if logger
else
logger.debug { "SOAP response: " + res.body } if logger
end
end
private
def logger
@config[:Logger]
end
def setup_req(conn_data, req)
conn_data.receive_string = req.body
conn_data.receive_contenttype = req['content-type']
conn_data.soapaction = parse_soapaction(req.meta_vars['HTTP_SOAPACTION'])
end
def setup_res(conn_data, req, res)
res['content-type'] = conn_data.send_contenttype
if conn_data.is_fault
res.status = WEBrick::HTTPStatus::RC_INTERNAL_SERVER_ERROR
end
if outstring = encode_gzip(req, conn_data.send_string)
res['content-encoding'] = 'gzip'
res['content-length'] = outstring.size
res.body = outstring
else
res.body = conn_data.send_string
end
end
def parse_soapaction(soapaction)
if !soapaction.nil? and !soapaction.empty?
if /^"(.+)"$/ =~ soapaction
return $1
end
end
nil
end
def encode_gzip(req, outstring)
unless encode_gzip?(req)
return nil
end
begin
ostream = StringIO.new
gz = Zlib::GzipWriter.new(ostream)
gz.write(outstring)
ostream.string
ensure
gz.close
end
end
def encode_gzip?(req)
@options[:allow_content_encoding_gzip] and defined?(::Zlib) and
req['accept-encoding'] and
req['accept-encoding'].split(/,\s*/).include?('gzip')
end
end
end
end
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