def _do_test(self, resourceContentsStr, expected_status, expected_decision):
"""Constructs, sends and evaluates the response from a SAML SOAP request
using the XACML-SAML profile, with specified resource contents.
"""
# Load the AuthorisationServiceMiddleware and
# SOAPQueryInterfaceMiddleware so that the authorisation service can be
# called.
self.__class__.INI_FILEPATH = os.path.join(self.__class__.THIS_DIR,
self.__class__.INI_FILE)
wsgiapp = loadapp('config:'+self.__class__.INI_FILEPATH)
self.app = paste.fixture.TestApp(wsgiapp)
# Construct a SOAP request.
(header, request) = self._makeRequest(resourceContentsStr,
issuer=self.ISSUER_DN)
# Send the SOAP request to the authorisation service.
httpResponse = self.app.post(self.AUTHZ_SERVICE_URI,
params=request,
headers=header,
status=200)
log.debug("Response status=%d", httpResponse.status)
# Parse the SOAP response.
envelope = SOAPEnvelope()
respFile = StringIO(httpResponse.body)
envelope.parse(respFile)
# Extract the SAML response.
samlAuthzResponse = ResponseElementTree.fromXML(envelope.body.elem[0])
# serialisedResponse = pickle.dumps(samlAuthzResponse)
# response2 = pickle.loads(serialisedResponse)
assertions = samlAuthzResponse.assertions
(assertion,
error_status,
error_message) = XacmlSamlPepFilter._evaluate_assertions(assertions,
self.SUBJECT_ID,
self.RESOURCE_URI,
self.AUTHZ_SERVICE_URI)
if expected_status is None:
self.assertTrue(error_status is None,
("Unexpected error %d: %s" %
(0 if error_status is None else error_status,
error_message)))
self.assertEqual(
assertion.statements[0].xacmlContextResponse.results[0
].decision.value,
expected_decision)
else:
self.assertEqual(error_status, expected_status)
def fromXML(cls, elem, **kw):
"""Extend base method adding mapping for ESG Group/Role Attribute Value
@type elem: ElementTree.Element
@param elem: ESGF Group/Role attribute value as ElementTree.Element
@rtype: ndg.security.common.saml_utils.etree.ESGFGroupRoleAttributeValue
@return: ESGF Group/Role attribute value
"""
toSAMLTypeMap = kw.get('customToSAMLTypeMap', [])
toSAMLTypeMap.append(
ESGFGroupRoleAttributeValueElementTree.factoryMatchFunc)
kw['customToSAMLTypeMap'] = toSAMLTypeMap
return ResponseElementTree.fromXML(elem, **kw)
def _parseResponse(self, responseStr):
"""Helper to parse a response from a string"""
soapResponse = SOAPEnvelope()
responseStream = StringIO()
responseStream.write(responseStr)
responseStream.seek(0)
soapResponse.parse(responseStream)
print("Parsed response ...")
print(soapResponse.serialize())
response = ResponseElementTree.fromXML(soapResponse.body.elem[0])
return response
def _getSAMLResponse(self, responseBody):
"""Deserialise response string into ElementTree element"""
soapResponse = SOAPEnvelope()
responseStream = StringIO()
responseStream.write(responseBody.decode())
responseStream.seek(0)
soapResponse.parse(responseStream)
print("Parsed response ...")
print((soapResponse.serialize()))
response = ResponseElementTree.fromXML(soapResponse.body.elem[0])
return response
def _getSAMLResponse(self, responseBody):
"""Deserialise response string into ElementTree element"""
soapResponse = SOAPEnvelope()
responseStream = StringIO()
responseStream.write(responseBody)
responseStream.seek(0)
soapResponse.parse(responseStream)
print("Parsed response ...")
print(soapResponse.serialize())
# print(prettyPrint(soapResponse.elem))
response = ResponseElementTree.fromXML(soapResponse.body.elem[0])
return response
def test02_with_action_namespace(self):
# Handle case where response has used an invalid namespace URI for the
# action specified. In the example below 'GET' is used which belongs
# to the urn:oasis:names:tc:SAML:1.0:action:ghpp namespace. However,
# it has not been set so the parser should interpret it as the default
# urn:oasis:names:tc:SAML:1.0:action:rwedc-negation -
# 2.7.4.2 SAML 2 Core Spec. 15 March 2005
saml_resp = '''
<samlp:Response ID="1a0c8a92-f408-4ab6-b352-dc9ae5f025cb"
InResponseTo="d78f66ec-ddce-4a2a-81cf-6bb2bf5ea624"
IssueInstant="2016-01-24T06:06:04.389161Z" Version="2.0"
xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol">
<saml:Issuer
Format="urn:oasis:names:tc:SAML:1.1:nameid-format:X509SubjectName"
xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion">/C=GB/O=NDG/CN=localhost
</saml:Issuer>
<samlp:Status>
<samlp:StatusCode Value="urn:oasis:names:tc:SAML:2.0:status:Success" />
</samlp:Status>
<saml:Assertion ID="41aaf9d3-b637-4d54-ac7f-0b35316c4558"
IssueInstant="2016-01-24T06:06:04.586012Z" Version="2.0"
xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion">
<saml:Issuer
Format="urn:oasis:names:tc:SAML:1.1:nameid-format:X509SubjectName">
/C=GB/O=NDG/CN=localhost
</saml:Issuer>
<saml:Subject>
<saml:NameID Format="urn:esg:openid" /></saml:Subject>
<saml:Conditions NotBefore="2016-01-24T06:06:04.586012Z"
NotOnOrAfter="2016-01-25T06:06:04.586012Z" />
<saml:AuthzDecisionStatement Decision="Deny"
Resource="http://localhost:8000/resource.html" >
<saml:Action Namespace="urn:oasis:names:tc:SAML:1.0:action:ghpp">GET
</saml:Action>
</saml:AuthzDecisionStatement>
</saml:Assertion></samlp:Response>
'''
authz_decision_response_stream = StringIO()
authz_decision_response_stream.write(saml_resp)
authz_decision_response_stream.seek(0)
tree = ElementTree.parse(authz_decision_response_stream)
elem = tree.getroot()
resp = ResponseElementTree.fromXML(elem)
self.assertIsInstance(resp, Response, 'Expecting SAML Response type')
def test06_deserialize_authz_decision_response(self):
xmlOutput = self._serialize_authz_decision_query_response()
authzDecisionResponseStream = StringIO()
authzDecisionResponseStream.write(xmlOutput)
authzDecisionResponseStream.seek(0)
tree = ElementTree.parse(authzDecisionResponseStream)
elem = tree.getroot()
response = ResponseElementTree.fromXML(elem)
self.assertTrue(response.assertions[0])
self.assertTrue(response.assertions[0].authzDecisionStatements[0])
self.assertTrue(response.assertions[0].authzDecisionStatements[0
].decision == DecisionType.PERMIT)
self.assertTrue(response.assertions[0].authzDecisionStatements[0
].resource == SAMLUtil.RESOURCE_URI)
self.assertTrue(response.assertions[0].authzDecisionStatements[0
].decision == DecisionType.PERMIT)
self.assertTrue(response.assertions[0].authzDecisionStatements[0
].actions[-1].namespace == Action.GHPP_NS_URI)
self.assertTrue(response.assertions[0].authzDecisionStatements[0
].actions[-1].value == Action.HTTP_GET_ACTION)
def test01AttributeQuery(self):
attributeQuery = AttributeQuery()
attributeQuery.version = SAMLVersion(SAMLVersion.VERSION_20)
attributeQuery.id = str(uuid4())
attributeQuery.issueInstant = datetime.utcnow()
attributeQuery.issuer = Issuer()
attributeQuery.issuer.format = Issuer.X509_SUBJECT
attributeQuery.issuer.value = \
"/O=NDG/OU=BADC/CN=attributeauthority.badc.rl.ac.uk"
attributeQuery.subject = Subject()
attributeQuery.subject.nameID = NameID()
attributeQuery.subject.nameID.format = SamlSoapBindingApp.NAMEID_FORMAT
attributeQuery.subject.nameID.value = \
"https://openid.localhost/philip.kershaw"
# special case handling for 'FirstName' attribute
fnAttribute = Attribute()
fnAttribute.name = SamlSoapBindingApp.FIRSTNAME_ATTRNAME
fnAttribute.nameFormat = "http://www.w3.org/2001/XMLSchema#string"
fnAttribute.friendlyName = "FirstName"
attributeQuery.attributes.append(fnAttribute)
# special case handling for 'LastName' attribute
lnAttribute = Attribute()
lnAttribute.name = SamlSoapBindingApp.LASTNAME_ATTRNAME
lnAttribute.nameFormat = "http://www.w3.org/2001/XMLSchema#string"
lnAttribute.friendlyName = "LastName"
attributeQuery.attributes.append(lnAttribute)
# special case handling for 'LastName' attribute
emailAddressAttribute = Attribute()
emailAddressAttribute.name = SamlSoapBindingApp.EMAILADDRESS_ATTRNAME
emailAddressAttribute.nameFormat = XMLConstants.XSD_NS+"#"+\
XSStringAttributeValue.TYPE_LOCAL_NAME
emailAddressAttribute.friendlyName = "emailAddress"
attributeQuery.attributes.append(emailAddressAttribute)
elem = AttributeQueryElementTree.toXML(attributeQuery)
soapRequest = SOAPEnvelope()
soapRequest.create()
soapRequest.body.elem.append(elem)
request = soapRequest.serialize()
header = {
'soapAction': "http://www.oasis-open.org/committees/security",
'Content-length': str(len(request)),
'Content-type': 'text/xml'
}
response = self.app.post('/attributeauthority',
params=request,
headers=header,
status=200)
print("Response status=%d" % response.status)
soapResponse = SOAPEnvelope()
responseStream = StringIO()
responseStream.write(response.body)
responseStream.seek(0)
soapResponse.parse(responseStream)
print("Parsed response ...")
print(soapResponse.serialize())
# print(prettyPrint(soapResponse.elem))
response = ResponseElementTree.fromXML(soapResponse.body.elem[0])
self.assert_(response.status.statusCode.value==StatusCode.SUCCESS_URI)
self.assert_(response.inResponseTo == attributeQuery.id)
self.assert_(response.assertions[0].subject.nameID.value == \
attributeQuery.subject.nameID.value)
