def __handle_wsdl_request(self, req_env, start_response, url):
http_resp_headers = {'Content-Type': 'text/xml'}
try:
self.get_wsdl(url)
self.on_wsdl(req_env, self.__wsdl) # implementation hook
http_resp_headers['Content-Length'] = str(len(self.__wsdl))
start_response(HTTP_200, http_resp_headers.items())
return [self.__wsdl]
except Exception, e:
# implementation hook
logger.error(traceback.format_exc())
tns = self.get_tns()
fault_xml = Fault.to_xml(Fault(str(e)), tns)
fault_str = etree.tostring(fault_xml,
xml_declaration=True, encoding=string_encoding)
if logger.level == logging.DEBUG:
logger.debug(etree.tostring(etree.fromstring(fault_str),pretty_print=True))
self.on_wsdl_exception(req_env, e, fault_xml)
http_resp_headers['Content-length'] = str(len(fault_str))
start_response(HTTP_500, http_resp_headers.items())
return [fault_str]
def test_soap_fault(self):
ns_test = "test_namespace"
fault = Fault("code", 'something happened', 'detail')
fault_str = etree.tostring(make_soap_envelope(Fault.to_xml(fault,ns_test)), pretty_print=True)
print fault_str
fault = etree.fromstring(fault_str)
self.assertTrue(fault.getchildren()[0].tag.endswith, 'Body')
self.assertTrue(
fault.getchildren()[0].getchildren()[0].tag.endswith('Fault'))
f = fault.getchildren()[0].getchildren()[0]
print etree.tostring(f,pretty_print=True)
self.assertEquals(f.find('{%s}faultstring' % ns_test).text, 'something happened')
self.assertEquals(f.find('{%s}faultcode' % ns_test).text, 'code')
self.assertEquals(f.find('{%s}detail' % ns_test).text, 'detail')
def __handle_soap_request(self, req_env, start_response, url):
"""
This function is too big.
"""
http_resp_headers = {
'Content-Type': 'text/xml',
'Content-Length': '0',
}
method_name = None
try:
# implementation hook
self.on_call(req_env)
if req_env['REQUEST_METHOD'].lower() != 'post':
http_resp_headers['Allow'] = 'POST'
start_response(HTTP_405, http_resp_headers.items())
return ['']
input = req_env.get('wsgi.input')
length = req_env.get("CONTENT_LENGTH")
body = input.read(int(length))
try:
service = None
soap_req_header, soap_req_payload = self.__decode_soap_request(
req_env, body)
if not (soap_req_payload is None):
self.validate_request(soap_req_payload)
method_name = self.__get_method_name(req_env, soap_req_payload)
if method_name is None:
resp = "Could not extract method name from the request!"
http_resp_headers['Content-Length'] = str(len(resp))
start_response(HTTP_500, http_resp_headers.items())
return [resp]
service_class = self.get_service_class(method_name)
service = self.get_service(service_class, req_env)
finally:
# for performance reasons, we don't want the following to run
# in production even though we won't see the results.
if logger.level == logging.DEBUG:
try:
logger.debug(etree.tostring(etree.fromstring(body),
pretty_print=True))
except etree.XMLSyntaxError,e:
logger.debug(body)
raise Fault('Client.XMLSyntax', 'Error at line: %d, col: %d'
% e.position)
# retrieve the method descriptor
descriptor = service.get_method(method_name)
func = getattr(service, descriptor.name)
# decode header object
if soap_req_header is not None and len(soap_req_header) > 0:
in_header = descriptor.in_header
service.soap_in_header = in_header.from_xml(soap_req_header)
# decode method arguments
if soap_req_payload is not None and len(soap_req_payload) > 0:
params = descriptor.in_message.from_xml(soap_req_payload)
else:
params = [None] * len(descriptor.in_message._type_info)
# implementation hook
service.on_method_call(req_env, method_name, params,
soap_req_payload)
# call the method
result_raw = service.call_wrapper(func, params)
# construct the soap response, and serialize it
envelope = etree.Element('{%s}Envelope' % soaplib.ns_soap_env,
nsmap=soaplib.nsmap)
#
# header
#
soap_header_elt = etree.SubElement(envelope,
'{%s}Header' % soaplib.ns_soap_env)
if service.soap_out_header != None:
if descriptor.out_header is None:
logger.warning("Skipping soap response header as %r method "
"is not published to have a soap response "
"header" % method_name)
else:
descriptor.out_header.to_xml(
service.soap_out_header,
self.get_tns(),
soap_header_elt,
descriptor.out_header.get_type_name()
)
if len(soap_header_elt) > 0:
envelope.append(soap_header_elt)
#
# body
#
soap_body = etree.SubElement(envelope,
'{%s}Body' % soaplib.ns_soap_env)
# instantiate the result message
result_message = descriptor.out_message()
# assign raw result to its wrapper, result_message
out_type = descriptor.out_message._type_info
if len(out_type) > 0:
if len(out_type) == 1:
attr_name = descriptor.out_message._type_info.keys()[0]
setattr(result_message, attr_name, result_raw)
else:
for i in range(len(out_type)):
attr_name = descriptor.out_message._type_info.keys()[i]
setattr(result_message, attr_name, result_raw[i])
# transform the results into an element
descriptor.out_message.to_xml(result_message, self.get_tns(),
soap_body)
# implementation hook
service.on_method_return(req_env, result_raw, soap_body,
http_resp_headers)
#
# misc
#
results_str = etree.tostring(envelope, xml_declaration=True,
encoding=string_encoding)
if descriptor.mtom:
http_resp_headers, results_str = apply_mtom(http_resp_headers,
results_str, descriptor.out_message._type_info,[result_raw])
# implementation hook
self.on_return(req_env, http_resp_headers, results_str)
# initiate the response
http_resp_headers['Content-Length'] = str(len(results_str))
start_response(HTTP_200, http_resp_headers.items())
if logger.level == logging.DEBUG:
logger.debug('\033[91m'+ "Response" + '\033[0m')
logger.debug(etree.tostring(envelope, xml_declaration=True,
pretty_print=True))
# return the serialized results
return [results_str]
if logger.level == logging.DEBUG:
logger.debug('\033[91m'+ "Response" + '\033[0m')
logger.debug(etree.tostring(envelope, xml_declaration=True,
pretty_print=True))
# return the serialized results
return [results_str]
# The user issued a Fault, so handle it just like an exception!
except Fault, e:
return self.__handle_fault(req_env, start_response,
http_resp_headers, service, e)
except Exception, e:
fault = Fault('Server', str(e))
return self.__handle_fault(req_env, start_response,
http_resp_headers, service, fault)
def __handle_fault(self, req_env, start_response, http_resp_headers,
service, exc):
stacktrace=traceback.format_exc()
logger.error(stacktrace)
# implementation hook
if not (service is None):
service.on_method_exception_object(req_env, exc)
self.on_exception_object(req_env, exc)
# FIXME: There's no way to alter soap response headers for the user.
def __handle_soap_request(self, req_env, start_response, url):
http_resp_headers = {
'Content-Type': 'text/xml',
'Content-Length': '0',
}
method_name = None
try:
# implementation hook
self.on_call(req_env)
if req_env['REQUEST_METHOD'].lower() != 'post':
http_resp_headers['Allow'] = 'POST'
start_response(HTTP_405, http_resp_headers.items())
return ['']
input = req_env.get('wsgi.input')
length = req_env.get("CONTENT_LENGTH")
body = input.read(int(length))
try:
service = None
soap_req_header, soap_req_payload = self.__decode_soap_request(
req_env, body)
self.validate_request(soap_req_payload)
method_name = self.__get_method_name(req_env, soap_req_payload)
if method_name is None:
resp = "Could not get method name!"
http_resp_headers['Content-Length'] = str(len(resp))
start_response(HTTP_500, http_resp_headers.items())
return [resp]
service_class = self.get_service_class(method_name)
service = self.get_service(service_class, req_env)
finally:
# for performance reasons, we don't want the following to run
# in production even if we don't see the results.
if logger.level == logging.DEBUG:
try:
logger.debug(etree.tostring(etree.fromstring(body),
pretty_print=True))
except:
logger.debug(body)
raise
# retrieve the method descriptor
descriptor = service.get_method(method_name)
func = getattr(service, descriptor.name)
# decode header object
if soap_req_header is not None and len(soap_req_header) > 0:
service.soap_in_header = descriptor.in_header.from_xml(soap_req_header)
# decode method arguments
if soap_req_payload is not None and len(soap_req_payload) > 0:
params = descriptor.in_message.from_xml(soap_req_payload)
else:
params = [None] * len(descriptor.in_message._type_info)
# implementation hook
service.on_method_call(req_env, method_name, params, soap_req_payload)
# call the method
result_raw = service.call_wrapper(func, params)
# create result message
result_message = descriptor.out_message()
# assign raw result to its wrapper, result_message
out_type = descriptor.out_message._type_info
if len(out_type) > 0:
assert len(out_type) == 1
attr_name = descriptor.out_message._type_info.keys()[0]
setattr(result_message, attr_name, result_raw)
# transform the results into an element
# only expect a single element
soap_resp_body = None
if not (descriptor.is_async or descriptor.is_callback):
soap_resp_body = descriptor.out_message.to_xml(result_message,
self.get_tns())
soap_resp_header = None
if not (descriptor.out_header is None or service.soap_out_header is None):
soap_resp_header = descriptor.out_header.to_xml(
service.soap_out_header, self.get_tns(),
descriptor.out_header.get_type_name())
# implementation hook
service.on_method_return(req_env, result_raw, soap_resp_body,
http_resp_headers)
# construct the soap response, and serialize it
envelope = make_soap_envelope(soap_resp_header, soap_resp_body)
results_str = etree.tostring(envelope, xml_declaration=True,
encoding=string_encoding)
if descriptor.mtom:
http_resp_headers, results_str = apply_mtom(http_resp_headers,
results_str,descriptor.out_message._type_info,[result_raw])
# implementation hook
self.on_return(req_env, http_resp_headers, results_str)
# initiate the response
http_resp_headers['Content-Length'] = str(len(results_str))
start_response(HTTP_200, http_resp_headers.items())
if logger.level == logging.DEBUG:
logger.debug('\033[91m'+ "Response" + '\033[0m')
logger.debug(etree.tostring(envelope, xml_declaration=True,
pretty_print=True))
# return the serialized results
return [results_str]
# The user issued a Fault, so handle it just like an exception!
except Fault, e:
stacktrace=traceback.format_exc()
logger.error(stacktrace)
# FIXME: There's no way to alter soap response headers for the user.
soap_resp_header = None
soap_resp_body = Fault.to_xml(e, self.get_tns())
fault_xml = make_soap_envelope(soap_resp_header, soap_resp_body)
fault_str = etree.tostring(fault_xml, xml_declaration=True,
encoding=string_encoding)
if logger.level == logging.DEBUG:
logger.debug(etree.tostring(etree.fromstring(fault_str),
pretty_print=True))
# implementation hook
if not (service is None):
service.on_method_exception(req_env, e, fault_xml, fault_str)
self.on_exception(req_env,e,fault_str)
# initiate the response
http_resp_headers['Content-Length'] = str(len(fault_str))
start_response(HTTP_500, http_resp_headers.items())
return [fault_str]
e.params={}
faultstring = str(e)
if method_name:
faultcode = '%sFault' % method_name
else:
faultcode = 'Server'
detail = ' '
logger.error(stacktrace)
fault = Fault(faultcode, faultstring, detail)
soap_resp_header = None
soap_resp_body = Fault.to_xml(fault, self.get_tns())
fault_xml = make_soap_envelope(soap_resp_header, soap_resp_body)
fault_str = etree.tostring(fault_xml, xml_declaration=True,
encoding=string_encoding)
if logger.level == logging.DEBUG:
logger.debug(etree.tostring(etree.fromstring(fault_str),
pretty_print=True))
# implementation hook
if not (service is None):
service.on_method_exception(req_env, e, fault_xml, fault_str)
self.on_exception(req_env,e,fault_str)
# initiate the response
http_resp_headers['Content-Length'] = str(len(fault_str))
