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|
=begin
SOAP4R - CGI stub library
Copyright (C) 2001, 2003 NAKAMURA, Hiroshi.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PRATICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 675 Mass
Ave, Cambridge, MA 02139, USA.
=end
require 'soap/streamHandler'
require 'webrick/httpresponse'
require 'webrick/httpstatus'
require 'logger'
require 'soap/rpc/router'
module SOAP
module RPC
###
# SYNOPSIS
# CGIStub.new
#
# DESCRIPTION
# To be written...
#
class CGIStub < Logger::Application
include SOAP
# There is a client which does not accept the media-type which is defined in
# SOAP spec.
attr_accessor :mediatype
class CGIError < Error; end
class SOAPRequest
ALLOWED_LENGTH = 1024 * 1024
def initialize(stream = $stdin)
@method = ENV['REQUEST_METHOD']
@size = ENV['CONTENT_LENGTH'].to_i || 0
@contenttype = ENV['CONTENT_TYPE']
@charset = nil
@soapaction = ENV['HTTP_SOAPAction']
@source = stream
@body = nil
end
def init
validate
@charset = StreamHandler.parse_media_type(@contenttype)
@body = @source.read(@size)
self
end
def dump
@body.dup
end
def soapaction
@soapaction
end
def charset
@charset
end
def to_s
"method: #{ @method }, size: #{ @size }"
end
private
def validate # raise CGIError
if @method != 'POST'
raise CGIError.new("Method '#{ @method }' not allowed.")
end
if @size > ALLOWED_LENGTH
raise CGIError.new("Content-length too long.")
end
end
end
def initialize(appname, default_namespace)
super(appname)
set_log(STDERR)
self.level = INFO
@default_namespace = default_namespace
@router = SOAP::RPC::Router.new(appname)
@remote_user = ENV['REMOTE_USER'] || 'anonymous'
@remote_host = ENV['REMOTE_HOST'] || ENV['REMOTE_ADDR'] || 'unknown'
@request = nil
@response = nil
@mediatype = MediaType
on_init
end
def add_servant(obj, namespace = @default_namespace, soapaction = nil)
RPC.defined_methods(obj).each do |name|
qname = XSD::QName.new(namespace, name)
param_size = obj.method(name).arity.abs
params = (1..param_size).collect { |i| "p#{ i }" }
param_def = SOAP::RPC::SOAPMethod.create_param_def(params)
@router.add_method(obj, qname, soapaction, name, param_def)
end
end
def on_init
# Override this method in derived class to call 'add_method' to add methods.
end
def mapping_registry
@router.mapping_registry
end
def mapping_registry=(value)
@router.mapping_registry = value
end
def add_method(receiver, name, *param)
add_method_with_namespace_as(@default_namespace, receiver,
name, name, *param)
end
def add_method_as(receiver, name, name_as, *param)
add_method_with_namespace_as(@default_namespace, receiver,
name, name_as, *param)
end
def add_method_with_namespace(namespace, receiver, name, *param)
add_method_with_namespace_as(namespace, receiver, name, name, *param)
end
def add_method_with_namespace_as(namespace, receiver, name, name_as, *param)
param_def = if param.size == 1 and param[0].is_a?(Array)
param[0]
else
SOAP::RPC::SOAPMethod.create_param_def(param)
end
qname = XSD::QName.new(namespace, name_as)
@router.add_method(receiver, qname, nil, name, param_def)
end
def route(request_string, charset)
@router.route(request_string, charset)
end
def create_fault_response(e)
@router.create_fault_response(e)
end
private
def run
prologue
httpversion = WEBrick::HTTPVersion.new('1.0')
@response = WEBrick::HTTPResponse.new({:HTTPVersion => httpversion})
begin
log(INFO) { "Received a request from '#{ @remote_user }@#{ @remote_host }'." }
# SOAP request parsing.
@request = SOAPRequest.new.init
req_charset = @request.charset
req_string = @request.dump
log(DEBUG) { "XML Request: #{req_string}" }
res_string, is_fault = route(req_string, req_charset)
log(DEBUG) { "XML Response: #{res_string}" }
@response['Cache-Control'] = 'private'
if req_charset
@response['content-type'] = "#{@mediatype}; charset=\"#{req_charset}\""
else
@response['content-type'] = @mediatype
end
if is_fault
@response.status = WEBrick::HTTPStatus::RC_INTERNAL_SERVER_ERROR
end
@response.body = res_string
rescue Exception
res_string = create_fault_response($!)
@response['Cache-Control'] = 'private'
@response['content-type'] = @mediatype
@response.status = WEBrick::HTTPStatus::RC_INTERNAL_SERVER_ERROR
ensure
buf = ''
@response.send_response(buf)
buf.sub!(/^[^\r]+\r\n/, '') # Trim status line.
log(DEBUG) { "SOAP CGI Response:\n#{ buf }" }
print buf
epilogue
end
0
end
def prologue; end
def epilogue; end
end
end
end
|
