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# SOAP4R - CGI stub library
# Copyright (C) 2001, 2003, 2004 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 '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']
@soapaction = ENV['HTTP_SOAPAction']
@source = stream
@body = nil
end
def init
validate
@body = @source.read(@size)
self
end
def dump
@body.dup
end
def soapaction
@soapaction
end
def contenttype
@contenttype
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 = ERROR
@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_rpc_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
alias add_servant add_rpc_servant
def add_rpc_headerhandler(obj)
@router.headerhandler << obj
end
alias add_headerhandler add_rpc_headerhandler
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(conn_data)
@router.route(conn_data)
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})
conn_data = nil
begin
@log.info { "Received a request from '#{ @remote_user }@#{ @remote_host }'." }
# SOAP request parsing.
@request = SOAPRequest.new.init
@response['Status'] = 200
conn_data = ::SOAP::StreamHandler::ConnectionData.new
conn_data.receive_string = @request.dump
conn_data.receive_contenttype = @request.contenttype
@log.debug { "XML Request: #{conn_data.receive_string}" }
conn_data = route(conn_data)
@log.debug { "XML Response: #{conn_data.send_string}" }
if conn_data.is_fault
@response['Status'] = 500
end
@response['Cache-Control'] = 'private'
@response.body = conn_data.send_string
@response['content-type'] = conn_data.send_contenttype
rescue Exception
conn_data = create_fault_response($!)
@response['Cache-Control'] = 'private'
@response['Status'] = 500
@response.body = conn_data.send_string
@response['content-type'] = conn_data.send_contenttype || @mediatype
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
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