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# SOAP4R - RPC Proxy library.
# Copyright (C) 2000, 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/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_method(qname, soapaction, name, param_def, opt = {})
opt[:request_style] ||= :rpc
opt[:response_style] ||= :rpc
opt[:request_use] ||= :encoded
opt[:response_use] ||= :encoded
@operation[name] = Operation.new(qname, soapaction, name, param_def, opt)
end
def add_document_method(qname, soapaction, name, param_def, opt = {})
opt[:request_style] ||= :document
opt[:response_style] ||= :document
opt[:request_use] ||= :literal
opt[:response_use] ||= :literal
@operation[name] = Operation.new(qname, soapaction, name, param_def, opt)
end
# add_method is for shortcut of typical rpc/encoded method definition.
alias add_method add_rpc_method
def invoke(req_header, req_body, opt = create_options)
req_env = SOAPEnvelope.new(req_header, req_body)
opt[:external_content] = nil
conn_data = marshal(req_env, opt)
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 = @streamhandler.send(@endpoint_url, conn_data, opt[:soapaction])
if conn_data.receive_string.empty?
return nil
end
unmarshal(conn_data, opt)
end
def call(name, *params)
unless op_info = @operation[name]
raise MethodDefinitionError, "Method: #{name} not defined."
end
req_header = create_request_header
req_body = op_info.create_request_body(params, @mapping_registry,
@literal_mapping_registry)
opt = create_options({
:soapaction => op_info.soapaction || @soapaction,
:default_encodingstyle => op_info.response_default_encodingstyle})
env = invoke(req_header, req_body, opt)
receive_headers(env.header)
raise EmptyResponseError.new("Empty response.") unless env
begin
check_fault(env.body)
rescue ::SOAP::FaultError => e
Mapping.fault2exception(e)
end
op_info.create_response_obj(env, @mapping_registry,
@literal_mapping_registry)
end
def check_fault(body)
if body.fault
raise SOAP::FaultError.new(body.fault)
end
end
private
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
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_options(hash = nil)
opt = {}
opt[:default_encodingstyle] = @default_encodingstyle
opt[:allow_unqualified_element] = @allow_unqualified_element
opt[:generate_explicit_type] = @generate_explicit_type
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
def initialize(qname, soapaction, name, 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]
@rpc_method_factory = @document_method_name = nil
check_style(@request_style)
check_style(@response_style)
if @request_style == :rpc
@rpc_method_factory = SOAPMethodRequest.new(qname, param_def,
@soapaction)
else
@document_method_name = {}
param_def.each do |inout, paramname, typeinfo|
klass, namespace, name = typeinfo
case inout.to_s
when "input"
@document_method_name[:input] = ::XSD::QName.new(namespace, name)
when "output"
@document_method_name[:output] = ::XSD::QName.new(namespace, name)
else
raise MethodDefinitionError, "unknown type: " + inout
end
end
end
end
def request_default_encodingstyle
(@request_style == :rpc) ? EncodingNamespace : LiteralNamespace
end
def response_default_encodingstyle
(@response_style == :rpc) ? EncodingNamespace : LiteralNamespace
end
# for rpc
def each_param_name(*target)
if @request_style == :rpc
@rpc_method_factory.each_param_name(*target) do |name|
yield(name)
end
else
yield(@document_method_name[:input].name)
end
end
def create_request_body(values, mapping_registry, literal_mapping_registry)
if @request_style == :rpc
values = Mapping.obj2soap(values, mapping_registry).to_a
method = @rpc_method_factory.dup
params = {}
idx = 0
method.each_param_name(::SOAP::RPC::SOAPMethod::IN,
::SOAP::RPC::SOAPMethod::INOUT) do |name|
params[name] = values[idx] || SOAPNil.new
idx += 1
end
method.set_param(params)
SOAPBody.new(method)
else
name = @document_method_name[:input]
document = literal_mapping_registry.obj2soap(values[0], name)
SOAPBody.new(document)
end
end
def create_response_obj(env, mapping_registry, literal_mapping_registry)
if @response_style == :rpc
ret = env.body.response ?
Mapping.soap2obj(env.body.response, mapping_registry) : nil
if env.body.outparams
outparams = env.body.outparams.collect { |outparam|
Mapping.soap2obj(outparam)
}
[ret].concat(outparams)
else
ret
end
else
Mapping.soap2obj(env.body.root_node, literal_mapping_registry)
end
end
private
ALLOWED_STYLE = [:rpc, :document]
def check_style(style)
unless ALLOWED_STYLE.include?(style)
raise MethodDefinitionError, "unknown style: " + style
end
end
end
end
end
end
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