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# SOAP4R - RPC Proxy library.
# Copyright (C) 2000, 2003-2005 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 'soap/soap'
require 'soap/processor'
require 'soap/mapping'
require 'soap/rpc/rpc'
require 'soap/rpc/element'
require 'soap/streamHandler'
require 'soap/mimemessage'
module SOAP
module RPC
class Proxy
include SOAP
public
attr_accessor :soapaction
attr_accessor :mandatorycharset
attr_accessor :allow_unqualified_element
attr_accessor :default_encodingstyle
attr_accessor :generate_explicit_type
attr_reader :headerhandler
attr_reader :streamhandler
attr_accessor :mapping_registry
attr_accessor :literal_mapping_registry
attr_reader :operation
def initialize(endpoint_url, soapaction, options)
@endpoint_url = endpoint_url
@soapaction = soapaction
@options = options
@streamhandler = HTTPStreamHandler.new(
@options["protocol.http"] ||= ::SOAP::Property.new)
@operation = {}
@mandatorycharset = nil
@allow_unqualified_element = true
@default_encodingstyle = nil
@generate_explicit_type = true
@headerhandler = Header::HandlerSet.new
@mapping_registry = nil
@literal_mapping_registry = ::SOAP::Mapping::WSDLLiteralRegistry.new
end
def inspect
"#<#{self.class}:#{@endpoint_url}>"
end
def endpoint_url
@endpoint_url
end
def endpoint_url=(endpoint_url)
@endpoint_url = endpoint_url
reset_stream
end
def reset_stream
@streamhandler.reset(@endpoint_url)
end
def set_wiredump_file_base(wiredump_file_base)
@streamhandler.wiredump_file_base = wiredump_file_base
end
def test_loopback_response
@streamhandler.test_loopback_response
end
def add_rpc_operation(qname, soapaction, name, param_def, opt = {})
opt[:request_qname] = qname
opt[:request_style] ||= :rpc
opt[:response_style] ||= :rpc
opt[:request_use] ||= :encoded
opt[:response_use] ||= :encoded
@operation[name] = Operation.new(soapaction, param_def, opt)
end
def add_document_operation(soapaction, name, param_def, opt = {})
opt[:request_style] ||= :document
opt[:response_style] ||= :document
opt[:request_use] ||= :literal
opt[:response_use] ||= :literal
# default values of these values are unqualified in XML Schema.
# set true for backward compatibility.
unless opt.key?(:elementformdefault)
opt[:elementformdefault] = true
end
unless opt.key?(:attributeformdefault)
opt[:attributeformdefault] = true
end
@operation[name] = Operation.new(soapaction, param_def, opt)
end
# add_method is for shortcut of typical rpc/encoded method definition.
alias add_method add_rpc_operation
alias add_rpc_method add_rpc_operation
alias add_document_method add_document_operation
def invoke(req_header, req_body, opt = nil)
opt ||= create_encoding_opt
route(req_header, req_body, opt, opt)
end
def call(name, *params)
unless op_info = @operation[name]
raise MethodDefinitionError, "method: #{name} not defined"
end
mapping_opt = create_mapping_opt
req_header = create_request_header
req_body = SOAPBody.new(
op_info.request_body(params, @mapping_registry,
@literal_mapping_registry, mapping_opt)
)
reqopt = create_encoding_opt(
:soapaction => op_info.soapaction || @soapaction,
:envelopenamespace => @options["soap.envelope.requestnamespace"],
:default_encodingstyle =>
@default_encodingstyle || op_info.request_default_encodingstyle,
:elementformdefault => op_info.elementformdefault,
:attributeformdefault => op_info.attributeformdefault
)
resopt = create_encoding_opt(
:envelopenamespace => @options["soap.envelope.responsenamespace"],
:default_encodingstyle =>
@default_encodingstyle || op_info.response_default_encodingstyle,
:elementformdefault => op_info.elementformdefault,
:attributeformdefault => op_info.attributeformdefault
)
env = route(req_header, req_body, reqopt, resopt)
raise EmptyResponseError unless env
receive_headers(env.header)
begin
check_fault(env.body)
rescue ::SOAP::FaultError => e
op_info.raise_fault(e, @mapping_registry, @literal_mapping_registry)
end
op_info.response_obj(env.body, @mapping_registry,
@literal_mapping_registry, mapping_opt)
end
def route(req_header, req_body, reqopt, resopt)
req_env = ::SOAP::SOAPEnvelope.new(req_header, req_body)
unless reqopt[:envelopenamespace].nil?
set_envelopenamespace(req_env, reqopt[:envelopenamespace])
end
reqopt[:external_content] = nil
conn_data = marshal(req_env, reqopt)
if ext = reqopt[: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 = @streamhandler.send(@endpoint_url, conn_data,
reqopt[:soapaction])
if conn_data.receive_string.empty?
return nil
end
unmarshal(conn_data, resopt)
end
def check_fault(body)
if body.fault
raise SOAP::FaultError.new(body.fault)
end
end
private
def set_envelopenamespace(env, namespace)
env.elename = XSD::QName.new(namespace, env.elename.name)
if env.header
env.header.elename = XSD::QName.new(namespace, env.header.elename.name)
end
if env.body
env.body.elename = XSD::QName.new(namespace, env.body.elename.name)
end
end
def create_request_header
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 marshal(env, opt)
send_string = Processor.marshal(env, opt)
StreamHandler::ConnectionData.new(send_string)
end
def unmarshal(conn_data, opt)
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] = @mandatorycharset ||
StreamHandler.parse_media_type(mime.root.headers['content-type'].str)
env = Processor.unmarshal(mime.root.content, opt)
else
opt[:charset] = @mandatorycharset ||
::SOAP::StreamHandler.parse_media_type(contenttype)
env = Processor.unmarshal(conn_data.receive_string, opt)
end
unless env.is_a?(::SOAP::SOAPEnvelope)
raise ResponseFormatError.new(
"response is not a SOAP envelope: #{conn_data.receive_string}")
end
env
end
def create_header(headers)
header = SOAPHeader.new()
headers.each do |content, mustunderstand, encodingstyle|
header.add(SOAPHeaderItem.new(content, mustunderstand, encodingstyle))
end
header
end
def create_encoding_opt(hash = nil)
opt = {}
opt[:default_encodingstyle] = @default_encodingstyle
opt[:allow_unqualified_element] = @allow_unqualified_element
opt[:generate_explicit_type] = @generate_explicit_type
opt[:no_indent] = @options["soap.envelope.no_indent"]
opt[:use_numeric_character_reference] =
@options["soap.envelope.use_numeric_character_reference"]
opt.update(hash) if hash
opt
end
def create_mapping_opt(hash = nil)
opt = {
:external_ces => @options["soap.mapping.external_ces"]
}
opt.update(hash) if hash
opt
end
class Operation
attr_reader :soapaction
attr_reader :request_style
attr_reader :response_style
attr_reader :request_use
attr_reader :response_use
attr_reader :elementformdefault
attr_reader :attributeformdefault
def initialize(soapaction, param_def, opt)
@soapaction = soapaction
@request_style = opt[:request_style]
@response_style = opt[:response_style]
@request_use = opt[:request_use]
@response_use = opt[:response_use]
# set nil(unqualified) by default
@elementformdefault = opt[:elementformdefault]
@attributeformdefault = opt[:attributeformdefault]
check_style(@request_style)
check_style(@response_style)
check_use(@request_use)
check_use(@response_use)
if @request_style == :rpc
@rpc_request_qname = opt[:request_qname]
if @rpc_request_qname.nil?
raise MethodDefinitionError.new("rpc_request_qname must be given")
end
@rpc_method_factory =
RPC::SOAPMethodRequest.new(@rpc_request_qname, param_def, @soapaction)
else
@doc_request_qnames = []
@doc_request_qualified = []
@doc_response_qnames = []
@doc_response_qualified = []
param_def.each do |inout, paramname, typeinfo, eleinfo|
klass_not_used, nsdef, namedef = typeinfo
qualified = eleinfo
if namedef.nil?
raise MethodDefinitionError.new("qname must be given")
end
case inout
when SOAPMethod::IN
@doc_request_qnames << XSD::QName.new(nsdef, namedef)
@doc_request_qualified << qualified
when SOAPMethod::OUT
@doc_response_qnames << XSD::QName.new(nsdef, namedef)
@doc_response_qualified << qualified
else
raise MethodDefinitionError.new(
"illegal inout definition for document style: #{inout}")
end
end
end
end
def request_default_encodingstyle
(@request_use == :encoded) ? EncodingNamespace : LiteralNamespace
end
def response_default_encodingstyle
(@response_use == :encoded) ? EncodingNamespace : LiteralNamespace
end
def request_body(values, mapping_registry, literal_mapping_registry, opt)
if @request_style == :rpc
request_rpc(values, mapping_registry, literal_mapping_registry, opt)
else
request_doc(values, mapping_registry, literal_mapping_registry, opt)
end
end
def response_obj(body, mapping_registry, literal_mapping_registry, opt)
if @response_style == :rpc
response_rpc(body, mapping_registry, literal_mapping_registry, opt)
else
response_doc(body, mapping_registry, literal_mapping_registry, opt)
end
end
def raise_fault(e, mapping_registry, literal_mapping_registry)
if @response_style == :rpc
Mapping.fault2exception(e, mapping_registry)
else
Mapping.fault2exception(e, literal_mapping_registry)
end
end
private
def check_style(style)
unless [:rpc, :document].include?(style)
raise MethodDefinitionError.new("unknown style: #{style}")
end
end
def check_use(use)
unless [:encoded, :literal].include?(use)
raise MethodDefinitionError.new("unknown use: #{use}")
end
end
def request_rpc(values, mapping_registry, literal_mapping_registry, opt)
if @request_use == :encoded
request_rpc_enc(values, mapping_registry, opt)
else
request_rpc_lit(values, literal_mapping_registry, opt)
end
end
def request_doc(values, mapping_registry, literal_mapping_registry, opt)
if @request_use == :encoded
request_doc_enc(values, mapping_registry, opt)
else
request_doc_lit(values, literal_mapping_registry, opt)
end
end
def request_rpc_enc(values, mapping_registry, opt)
method = @rpc_method_factory.dup
names = method.input_params
obj = create_request_obj(names, values)
soap = Mapping.obj2soap(obj, mapping_registry, @rpc_request_qname, opt)
method.set_param(soap)
method
end
def request_rpc_lit(values, mapping_registry, opt)
method = @rpc_method_factory.dup
params = {}
idx = 0
method.input_params.each do |name|
params[name] = Mapping.obj2soap(values[idx], mapping_registry,
XSD::QName.new(nil, name), opt)
idx += 1
end
method.set_param(params)
method
end
def request_doc_enc(values, mapping_registry, opt)
(0...values.size).collect { |idx|
ele = Mapping.obj2soap(values[idx], mapping_registry, nil, opt)
ele.elename = @doc_request_qnames[idx]
ele
}
end
def request_doc_lit(values, mapping_registry, opt)
(0...values.size).collect { |idx|
ele = Mapping.obj2soap(values[idx], mapping_registry,
@doc_request_qnames[idx], opt)
ele.encodingstyle = LiteralNamespace
if ele.respond_to?(:qualified)
ele.qualified = @doc_request_qualified[idx]
end
ele
}
end
def response_rpc(body, mapping_registry, literal_mapping_registry, opt)
if @response_use == :encoded
response_rpc_enc(body, mapping_registry, opt)
else
response_rpc_lit(body, literal_mapping_registry, opt)
end
end
def response_doc(body, mapping_registry, literal_mapping_registry, opt)
if @response_use == :encoded
return *response_doc_enc(body, mapping_registry, opt)
else
return *response_doc_lit(body, literal_mapping_registry, opt)
end
end
def response_rpc_enc(body, mapping_registry, opt)
ret = nil
if body.response
ret = Mapping.soap2obj(body.response, mapping_registry,
@rpc_method_factory.retval_class_name, opt)
end
if body.outparams
outparams = body.outparams.collect { |outparam|
Mapping.soap2obj(outparam, mapping_registry, nil, opt)
}
[ret].concat(outparams)
else
ret
end
end
def response_rpc_lit(body, mapping_registry, opt)
body.root_node.collect { |key, value|
Mapping.soap2obj(value, mapping_registry,
@rpc_method_factory.retval_class_name, opt)
}
end
def response_doc_enc(body, mapping_registry, opt)
body.collect { |key, value|
Mapping.soap2obj(value, mapping_registry, nil, opt)
}
end
def response_doc_lit(body, mapping_registry, opt)
body.collect { |key, value|
Mapping.soap2obj(value, mapping_registry)
}
end
def create_request_obj(names, params)
o = Object.new
idx = 0
while idx < params.length
o.instance_variable_set('@' + names[idx], params[idx])
idx += 1
end
o
end
end
end
end
end