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# SOAP4R - RPC Routing library
# Copyright (C) 2001, 2002 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/soap'
require 'soap/processor'
require 'soap/mapping'
require 'soap/mapping/wsdlliteralregistry'
require 'soap/rpc/rpc'
require 'soap/rpc/element'
require 'soap/streamHandler'
require 'soap/mimemessage'
require 'soap/header/handlerset'
module SOAP
module RPC
class Router
include SOAP
attr_reader :actor
attr_accessor :allow_unqualified_element
attr_accessor :default_encodingstyle
attr_accessor :mapping_registry
attr_accessor :literal_mapping_registry
attr_reader :headerhandler
def initialize(actor)
@actor = actor
@allow_unqualified_element = false
@default_encodingstyle = nil
@mapping_registry = nil
@headerhandler = Header::HandlerSet.new
@literal_mapping_registry = ::SOAP::Mapping::WSDLLiteralRegistry.new
@operation = {}
end
def add_rpc_method(receiver, qname, soapaction, name, param_def, opt = {})
opt[:request_style] ||= :rpc
opt[:response_style] ||= :rpc
opt[:request_use] ||= :encoded
opt[:response_use] ||= :encoded
add_operation(qname, soapaction, receiver, name, param_def, opt)
end
def add_document_method(receiver, qname, soapaction, name, param_def, opt = {})
opt[:request_style] ||= :document
opt[:response_style] ||= :document
opt[:request_use] ||= :encoded
opt[:response_use] ||= :encoded
if opt[:request_style] == :document
inputdef = param_def.find { |inout, paramname, typeinfo| inout == "input" }
klass, nsdef, namedef = inputdef[2]
qname = ::XSD::QName.new(nsdef, namedef)
end
add_operation(qname, soapaction, receiver, name, param_def, opt)
end
def add_operation(qname, soapaction, receiver, name, param_def, opt)
@operation[fqname(qname)] = Operation.new(qname, soapaction, receiver,
name, param_def, opt)
end
# add_method is for shortcut of typical use="encoded" method definition.
alias add_method add_rpc_method
def route(conn_data)
soap_response = nil
begin
env = unmarshal(conn_data)
if env.nil?
raise ArgumentError.new("Illegal SOAP marshal format.")
end
receive_headers(env.header)
request = env.body.request
op = @operation[fqname(request.elename)]
unless op
raise RPCRoutingError.new("Method: #{request.elename} not supported.")
end
soap_response = op.call(request, @mapping_registry, @literal_mapping_registry)
rescue Exception
soap_response = fault($!)
conn_data.is_fault = true
end
marshal(conn_data, op, soap_response)
conn_data
end
# Create fault response string.
def create_fault_response(e, charset = nil)
header = SOAPHeader.new
body = SOAPBody.new(fault(e))
env = SOAPEnvelope.new(header, body)
opt = options
opt[:external_content] = nil
opt[:charset] = charset
response_string = Processor.marshal(env, opt)
conn_data = StreamHandler::ConnectionData.new(response_string)
conn_data.is_fault = true
if ext = opt[:external_content]
mime = MIMEMessage.new
ext.each do |k, v|
mime.add_attachment(v.data)
end
mime.add_part(conn_data.send_string + "\r\n")
mime.close
conn_data.send_string = mime.content_str
conn_data.send_contenttype = mime.headers['content-type'].str
end
conn_data
end
private
def call_headers
headers = @headerhandler.on_outbound
if headers.empty?
nil
else
h = ::SOAP::SOAPHeader.new
headers.each do |header|
h.add(header.elename.name, header)
end
h
end
end
def receive_headers(headers)
@headerhandler.on_inbound(headers) if headers
end
def unmarshal(conn_data)
opt = options
contenttype = conn_data.receive_contenttype
if /#{MIMEMessage::MultipartContentType}/i =~ contenttype
opt[:external_content] = {}
mime = MIMEMessage.parse("Content-Type: " + contenttype,
conn_data.receive_string)
mime.parts.each do |part|
value = Attachment.new(part.content)
value.contentid = part.contentid
obj = SOAPAttachment.new(value)
opt[:external_content][value.contentid] = obj if value.contentid
end
opt[:charset] =
StreamHandler.parse_media_type(mime.root.headers['content-type'].str)
env = Processor.unmarshal(mime.root.content, opt)
else
opt[:charset] = ::SOAP::StreamHandler.parse_media_type(contenttype)
env = Processor.unmarshal(conn_data.receive_string, opt)
end
charset = opt[:charset]
conn_data.send_contenttype = "text/xml; charset=\"#{charset}\""
env
end
def marshal(conn_data, op, soap_response)
response_opt = options
response_opt[:external_content] = nil
if op and !conn_data.is_fault and op.response_use == :document
response_opt[:default_encodingstyle] =
::SOAP::EncodingStyle::ASPDotNetHandler::Namespace
end
header = call_headers
body = SOAPBody.new(soap_response)
env = SOAPEnvelope.new(header, body)
response_string = Processor.marshal(env, response_opt)
conn_data.send_string = response_string
if ext = response_opt[:external_content]
mime = MIMEMessage.new
ext.each do |k, v|
mime.add_attachment(v.data)
end
mime.add_part(conn_data.send_string + "\r\n")
mime.close
conn_data.send_string = mime.content_str
conn_data.send_contenttype = mime.headers['content-type'].str
end
end
# Create fault response.
def fault(e)
detail = Mapping::SOAPException.new(e)
SOAPFault.new(
SOAPString.new('Server'),
SOAPString.new(e.to_s),
SOAPString.new(@actor),
Mapping.obj2soap(detail, @mapping_registry))
end
def fqname(qname)
"#{ qname.namespace }:#{ qname.name }"
end
def options
opt = {}
opt[:default_encodingstyle] = @default_encodingstyle
if @allow_unqualified_element
opt[:allow_unqualified_element] = true
end
opt
end
class Operation
attr_reader :receiver
attr_reader :name
attr_reader :soapaction
attr_reader :request_style
attr_reader :response_style
attr_reader :request_use
attr_reader :response_use
def initialize(qname, soapaction, receiver, name, param_def, opt)
@soapaction = soapaction
@receiver = receiver
@name = name
@request_style = opt[:request_style]
@response_style = opt[:response_style]
@request_use = opt[:request_use]
@response_use = opt[:response_use]
if @response_style == :rpc
@rpc_response_factory =
RPC::SOAPMethodRequest.new(qname, param_def, @soapaction)
else
outputdef = param_def.find { |inout, paramname, typeinfo| inout == "output" }
klass, nsdef, namedef = outputdef[2]
@document_response_qname = ::XSD::QName.new(nsdef, namedef)
end
end
def call(request, mapping_registry, literal_mapping_registry)
if @request_style == :rpc
param = Mapping.soap2obj(request, mapping_registry)
result = rpc_call(request, param)
else
param = Mapping.soap2obj(request, literal_mapping_registry)
result = document_call(request, param)
end
if @response_style == :rpc
rpc_response(result, mapping_registry)
else
document_response(result, literal_mapping_registry)
end
end
private
def rpc_call(request, param)
unless request.is_a?(SOAPStruct)
raise RPCRoutingError.new("Not an RPC style.")
end
values = request.collect { |key, value| param[key] }
@receiver.method(@name.intern).call(*values)
end
def document_call(request, param)
@receiver.method(@name.intern).call(param)
end
def rpc_response(result, mapping_registry)
soap_response = @rpc_response_factory.create_method_response
if soap_response.have_outparam?
unless result.is_a?(Array)
raise RPCRoutingError.new("Out parameter was not returned.")
end
outparams = {}
i = 1
soap_response.each_param_name('out', 'inout') do |outparam|
outparams[outparam] = Mapping.obj2soap(result[i], mapping_registry)
i += 1
end
soap_response.set_outparam(outparams)
soap_response.retval = Mapping.obj2soap(result[0], mapping_registry)
else
soap_response.retval = Mapping.obj2soap(result, mapping_registry)
end
soap_response
end
def document_response(result, literal_mapping_registry)
literal_mapping_registry.obj2soap(result, @document_response_qname)
end
end
end
end
end
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