def test_response(self):
        response = sigver.response_factory(
            in_response_to="_012345",
            destination="https:#www.example.com",
            status=s_utils.success_status_factory(),
            assertion=s_utils.assertion_factory(
                subject=factory(saml.Subject, text="_aaa",
                                name_id=saml.NAMEID_FORMAT_TRANSIENT),
                attribute_statement=do_attribute_statement(
                    {
                        ("", "", "sn"): ("Jeter", ""),
                        ("", "", "givenName"): ("Derek", ""),
                    }
                ),
                issuer=self.server._issuer(),
            ),
            issuer=self.server._issuer(),
        )

        print(response.keyswv())
        assert _eq(response.keyswv(), ['destination', 'assertion', 'status',
                                       'in_response_to', 'issue_instant',
                                       'version', 'issuer', 'id'])
        assert response.version == "2.0"
        assert response.issuer.text == "urn:mace:example.com:saml:roland:idp"
        assert response.destination == "https:#www.example.com"
        assert response.in_response_to == "_012345"
        #
        status = response.status
        print(status)
        assert status.status_code.value == samlp.STATUS_SUCCESS

    def _status_response(self, response_class, issuer, status, sign=False,
                         **kwargs):
        """ Create a StatusResponse.

        :param response_class: Which subclass of StatusResponse that should be
            used
        :param issuer: The issuer of the response message
        :param status: The return status of the response operation
        :param sign: Whether the response should be signed or not
        :param kwargs: Extra arguments to the response class
        :return: Class instance or string representation of the instance
        """

        mid = sid()

        for key in ["destination", "binding"]:
            try:
                del kwargs[key]
            except KeyError:
                pass

        if not status:
            status = success_status_factory()

        response = response_class(issuer=issuer, id=mid, version=VERSION,
                                  issue_instant=instant(),
                                  status=status, **kwargs)

        if sign:
            return self.sign(response, mid)
        else:
            return response

    def _response(self, in_response_to, consumer_url=None, status=None,
                  issuer=None, sign=False, to_sign=None, **kwargs):
        """ Create a Response.

        :param in_response_to: The session identifier of the request
        :param consumer_url: The URL which should receive the response
        :param status: The status of the response
        :param issuer: The issuer of the response
        :param sign: Whether the response should be signed or not
        :param to_sign: If there are other parts to sign
        :param kwargs: Extra key word arguments
        :return: A Response instance
        """

        if not status:
            status = success_status_factory()

        _issuer = self._issuer(issuer)

        response = response_factory(issuer=_issuer,
                                    in_response_to=in_response_to,
                                    status=status)

        if consumer_url:
            response.destination = consumer_url

        self._add_info(response, **kwargs)

        if sign:
            return self.sign(response, to_sign=to_sign)
        elif to_sign:
            return signed_instance_factory(response, self.sec, to_sign)
        else:
            return response

    def _response(self, in_response_to, consumer_url=None, status=None,
                  issuer=None, sign=False, to_sign=None,
                  encrypt_assertion=False, encrypt_cert=None, **kwargs):
        """ Create a Response.

        :param in_response_to: The session identifier of the request
        :param consumer_url: The URL which should receive the response
        :param status: The status of the response
        :param issuer: The issuer of the response
        :param sign: Whether the response should be signed or not
        :param to_sign: If there are other parts to sign
        :param kwargs: Extra key word arguments
        :return: A Response instance
        """

        if not status:
            status = success_status_factory()

        _issuer = self._issuer(issuer)

        response = response_factory(issuer=_issuer,
                                    in_response_to=in_response_to,
                                    status=status)

        if consumer_url:
            response.destination = consumer_url

        self._add_info(response, **kwargs)

        if not sign and to_sign and not encrypt_assertion:
            return signed_instance_factory(response, self.sec, to_sign)

        if encrypt_assertion:
            if sign:
                response.signature = pre_signature_part(response.id,
                                                        self.sec.my_cert, 1)
            cbxs = CryptoBackendXmlSec1(self.config.xmlsec_binary)
            _, cert_file = make_temp("%s" % encrypt_cert, decode=False)
            response = cbxs.encrypt_assertion(response, cert_file,
                                              pre_encryption_part())
                                              # template(response.assertion.id))
            if sign:
                if to_sign:
                    signed_instance_factory(response, self.sec, to_sign)
                else:
                    # default is to sign the whole response if anything
                    sign_class = [(class_name(response), response.id)]
                    return signed_instance_factory(response, self.sec,
                                                   sign_class)
            else:
                return response

        if sign:
            return self.sign(response, to_sign=to_sign)
        else:
            return response

    def test_sign_then_encrypt_assertion2(self):
        # Begin with the IdPs side
        _sec = self.server.sec

        nameid_policy = samlp.NameIDPolicy(allow_create="false",
                                           format=saml.NAMEID_FORMAT_PERSISTENT)

        asser = Assertion({"givenName": "Derek", "surName": "Jeter"})
        assertion = asser.construct(
            self.client.config.entityid, "_012345",
            "http://lingon.catalogix.se:8087/",
            factory(saml.NameID, format=saml.NAMEID_FORMAT_TRANSIENT),
            policy=self.server.config.getattr("policy", "idp"),
            issuer=self.server._issuer(),
            attrconvs=self.server.config.attribute_converters,
            authn_class=INTERNETPROTOCOLPASSWORD,
            authn_auth="http://www.example.com/login")

        assertion.signature = sigver.pre_signature_part(
            assertion.id, _sec.my_cert, 1)

        sigass = _sec.sign_statement(assertion, class_name(assertion),
                                     key_file=self.client.sec.key_file,
                                     node_id=assertion.id)

        sigass = rm_xmltag(sigass)

        response = sigver.response_factory(
            in_response_to="_012345",
            destination="https://www.example.com",
            status=s_utils.success_status_factory(),
            issuer=self.server._issuer(),
            encrypted_assertion=EncryptedAssertion()
        )

        xmldoc = "%s" % response
        # strangely enough I get different tags if I run this test separately
        # or as part of a bunch of tests.
        xmldoc = add_subelement(xmldoc, "EncryptedAssertion", sigass)

        enctext = _sec.crypto.encrypt_assertion(xmldoc, _sec.cert_file,
                                                pre_encryption_part())

        #seresp = samlp.response_from_string(enctext)

        resp_str = base64.encodestring(enctext)
        # Now over to the client side
        resp = self.client.parse_authn_request_response(
            resp_str, BINDING_HTTP_POST,
            {"_012345": "http://foo.example.com/service"})

        #assert resp.encrypted_assertion == []
        assert resp.assertion
        assert resp.ava == {'givenName': ['Derek'], 'sn': ['Jeter']}

    def handle_logout_request(self, request, name_id, binding, sign=False,
                              relay_state=""):
        """
        Deal with a LogoutRequest

        :param request: The request as text string
        :param name_id: The id of the current user
        :param binding: Which binding the message came in over
        :param sign: Whether the response will be signed or not
        :return: Keyword arguments which can be used to send the response
            what's returned follow different patterns for different bindings.
            If the binding is BINDIND_SOAP, what is returned looks like this::

                {
                    "data": <the SOAP enveloped response>
                    "url": "",
                    'headers': [('content-type', 'application/soap+xml')]
                    'method': "POST
                }
        """
        logger.info("logout request: %s", request)

        _req = self._parse_request(request, LogoutRequest,
                                   "single_logout_service", binding)

        if _req.message.name_id == name_id:
            try:
                if self.local_logout(name_id):
                    status = success_status_factory()
                else:
                    status = status_message_factory("Server error",
                                                    STATUS_REQUEST_DENIED)
            except KeyError:
                status = status_message_factory("Server error",
                                                STATUS_REQUEST_DENIED)
        else:
            status = status_message_factory("Wrong user",
                                            STATUS_UNKNOWN_PRINCIPAL)

        if binding == BINDING_SOAP:
            response_bindings = [BINDING_SOAP]
        elif binding == BINDING_HTTP_POST or BINDING_HTTP_REDIRECT:
            response_bindings = [BINDING_HTTP_POST, BINDING_HTTP_REDIRECT]
        else:
            response_bindings = self.config.preferred_binding[
                "single_logout_service"]

        response = self.create_logout_response(_req.message, response_bindings,
                                               status, sign)
        rinfo = self.response_args(_req.message, response_bindings)

        return self.apply_binding(rinfo["binding"], response,
                                  rinfo["destination"], relay_state,
                                  response=True)

    def create_logout_response(self, request, binding, status=None,
                               sign=False, issuer=None):
        """ Create a LogoutResponse. What is returned depends on which binding
        is used.
        
        :param request: The request this is a response to
        :param binding: Which binding the request came in over
        :param status: The return status of the response operation
        :param issuer: The issuer of the message
        :return: A logout message.
        """
        mid = sid()

        if not status:
            status = success_status_factory()

        # response and packaging differs depending on binding
        response = ""
        if binding in [BINDING_SOAP, BINDING_HTTP_POST]:
            response = logoutresponse_factory(sign=sign, id = mid,
                                              in_response_to = request.id,
                                              status = status)
        elif binding == BINDING_HTTP_REDIRECT:
            sp_entity_id = request.issuer.text.strip()
            srvs = self.metadata.single_logout_service(sp_entity_id, "spsso")
            if not srvs:
                raise Exception("Nowhere to send the response")

            destination = destinations(srvs)[0]

            _issuer = self.issuer(issuer)
            response = logoutresponse_factory(sign=sign, id = mid,
                                              in_response_to = request.id,
                                              status = status,
                                              issuer = _issuer,
                                              destination = destination,
                                              sp_entity_id = sp_entity_id,
                                              instant=instant())
        if sign:
            to_sign = [(class_name(response), mid)]
            response = signed_instance_factory(response, self.sec, to_sign)

        logger.info("Response: %s" % (response,))

        return response

def auth_response(identity, in_response_to, sp_conf):
    """Generates a fresh signed authentication response"""
    sp_entity_id = sp_conf.entityid
    idp_entity_id = sp_conf.idps().keys()[0]
    acs = sp_conf.endpoint('assertion_consumer_service')[0]
    issuer = saml.Issuer(text=idp_entity_id, format=saml.NAMEID_FORMAT_ENTITY)
    response = response_factory(issuer=issuer,
                                in_response_to=in_response_to,
                                destination=acs,
                                status=success_status_factory())
    idp_conf = IdPConfig()
    name_form = "urn:oasis:names:tc:SAML:2.0:attrname-format:uri"
    idp_conf.load({
            'entityid': idp_entity_id,
            'xmlsec_binary': sp_conf.xmlsec_binary,
            'attribute_map_dir': os.path.join(BASEDIR, 'attribute-maps'),
            'service': {
                'idp': {
                    'endpoints': tuple(),
                    'policy':  {
                        'default': {
                            "lifetime": {"minutes": 15},
                            "attribute_restrictions": None,
                            "name_form": name_form,
                            }
                        }
                    },
                },
            'key_file': os.path.join(BASEDIR, 'idpcert.key'),
            'cert_file': os.path.join(BASEDIR, 'idpcert.pem'),
            'metadata': {
                'local': [os.path.join(BASEDIR, 'sp_metadata.xml')],
                },
            })
    server = Server("", idp_conf)
    server.ident = Identifier(FakeDb())

    userid = 'irrelevant'
    response = server.authn_response(identity, in_response_to, acs,
                                     sp_entity_id, None, userid)
    return '\n'.join(response)

    def _response(self, in_response_to, consumer_url=None, status=None,
                  issuer=None, sign=False, to_sign=None,
                  **kwargs):
        """ Create a Response that adhers to the ??? profile.
        
        :param in_response_to: The session identifier of the request
        :param consumer_url: The URL which should receive the response
        :param status: The status of the response
        :param issuer: The issuer of the response
        :param sign: Whether the response should be signed or not
        :param to_sign: What other parts to sign
        :param kwargs: Extra key word arguments
        :return: A Response instance
        """

        if not status: 
            status = success_status_factory()

        _issuer = self.issuer(issuer)

        response = response_factory(
            issuer=_issuer,
            in_response_to = in_response_to,
            status = status,
            )

        if consumer_url:
            response.destination = consumer_url

        for key, val in kwargs.items():
            setattr(response, key, val)

        if sign:
            try:
                to_sign.append((class_name(response), response.id))
            except AttributeError:
                to_sign = [(class_name(response), response.id)]


        return signed_instance_factory(response, self.sec, to_sign)

    def test_sign_then_encrypt_assertion(self):
        # Begin with the IdPs side
        _sec = self.server.sec

        assertion = s_utils.assertion_factory(
            subject=factory(saml.Subject, text="_aaa",
                            name_id=factory(
                                saml.NameID,
                                format=saml.NAMEID_FORMAT_TRANSIENT)),
            attribute_statement=do_attribute_statement(
                {
                    ("", "", "surName"): ("Jeter", ""),
                    ("", "", "givenName"): ("Derek", ""),
                }
            ),
            issuer=self.server._issuer(),
        )

        assertion.signature = sigver.pre_signature_part(
            assertion.id, _sec.my_cert, 1)

        sigass = _sec.sign_statement(assertion, class_name(assertion),
                                     key_file="pki/mykey.pem",
                                     node_id=assertion.id)
        # Create an Assertion instance from the signed assertion
        _ass = saml.assertion_from_string(sigass)

        response = sigver.response_factory(
            in_response_to="_012345",
            destination="https:#www.example.com",
            status=s_utils.success_status_factory(),
            issuer=self.server._issuer(),
            assertion=_ass
        )

        enctext = _sec.crypto.encrypt_assertion(response, _sec.cert_file,
                                                pre_encryption_part())

        seresp = samlp.response_from_string(enctext)

        # Now over to the client side
        _csec = self.client.sec
        if seresp.encrypted_assertion:
            decr_text = _csec.decrypt(enctext)
            seresp = samlp.response_from_string(decr_text)
            resp_ass = []

            sign_cert_file = "pki/mycert.pem"
            for enc_ass in seresp.encrypted_assertion:
                assers = extension_elements_to_elements(
                    enc_ass.extension_elements, [saml, samlp])
                for ass in assers:
                    if ass.signature:
                        if not _csec.verify_signature("%s" % ass,
                                                      sign_cert_file,
                                                      node_name=class_name(ass)):
                            continue
                    resp_ass.append(ass)

            seresp.assertion = resp_ass
            seresp.encrypted_assertion = None
            #print _sresp

        assert seresp.assertion

def test_status_success():
    status = utils.success_status_factory()
    status_text = "%s" % status
    assert status_text == SUCCESS_STATUS
    assert status.status_code.value == samlp.STATUS_SUCCESS

    def _response(self, in_response_to, consumer_url=None, status=None,
                  issuer=None, sign=False, to_sign=None, sp_entity_id=None,
                  encrypt_assertion=False, encrypt_assertion_self_contained=False, encrypted_advice_attributes=False,
                  encrypt_cert_advice=None, encrypt_cert_assertion=None,sign_assertion=None, pefim=False, **kwargs):
        """ Create a Response.
            Encryption:
                encrypt_assertion must be true for encryption to be performed. If encrypted_advice_attributes also is
                true, then will the function try to encrypt the assertion in the the advice element of the main
                assertion. Only one assertion element is allowed in the advice element, if multiple assertions exists
                in the advice element the main assertion will be encrypted instead, since it's no point to encrypt
                If encrypted_advice_attributes is
                false the main assertion will be encrypted. Since the same key

        :param in_response_to: The session identifier of the request
        :param consumer_url: The URL which should receive the response
        :param status: The status of the response
        :param issuer: The issuer of the response
        :param sign: Whether the response should be signed or not
        :param to_sign: If there are other parts to sign
        :param sp_entity_id: Entity ID for the calling service provider.
        :param encrypt_assertion: True if assertions should be encrypted.
        :param encrypt_assertion_self_contained: True if all encrypted assertions should have alla namespaces
        selfcontained.
        :param encrypted_advice_attributes: True if assertions in the advice element should be encrypted.
        :param encrypt_cert_advice: Certificate to be used for encryption of assertions in the advice element.
        :param encrypt_cert_assertion: Certificate to be used for encryption of assertions.
        :param sign_assertion: True if assertions should be signed.
        :param pefim: True if a response according to the PEFIM profile should be created.
        :param kwargs: Extra key word arguments
        :return: A Response instance
        """

        if not status:
            status = success_status_factory()

        _issuer = self._issuer(issuer)

        response = response_factory(issuer=_issuer,
                                    in_response_to=in_response_to,
                                    status=status)

        if consumer_url:
            response.destination = consumer_url

        self._add_info(response, **kwargs)

        if not sign and to_sign and not encrypt_assertion:
            return signed_instance_factory(response, self.sec, to_sign)

        has_encrypt_cert = self.has_encrypt_cert_in_metadata(sp_entity_id)
        if not has_encrypt_cert and encrypt_cert_advice is None:
            encrypted_advice_attributes = False
        if not has_encrypt_cert and encrypt_cert_assertion is None:
            encrypt_assertion = False

        if encrypt_assertion or (encrypted_advice_attributes and response.assertion.advice is not None and
                                         len(response.assertion.advice.assertion) == 1):
            if sign:
                response.signature = pre_signature_part(response.id,
                                                        self.sec.my_cert, 1)
                sign_class = [(class_name(response), response.id)]
            cbxs = CryptoBackendXmlSec1(self.config.xmlsec_binary)
            encrypt_advice = False
            if encrypted_advice_attributes and response.assertion.advice is not None \
                    and len(response.assertion.advice.assertion) > 0:
                _assertions = response.assertion
                if not isinstance(_assertions, list):
                    _assertions = [_assertions]
                for _assertion in _assertions:
                    _assertion.advice.encrypted_assertion = []
                    _assertion.advice.encrypted_assertion.append(EncryptedAssertion())
                    _advice_assertions = copy.deepcopy(_assertion.advice.assertion)
                    _assertion.advice.assertion = []
                    if not isinstance(_advice_assertions, list):
                        _advice_assertions = [_advice_assertions]
                    for tmp_assertion in _advice_assertions:
                        to_sign_advice = []
                        if sign_assertion and not pefim:
                            tmp_assertion.signature = pre_signature_part(tmp_assertion.id, self.sec.my_cert, 1)
                            to_sign_advice.append((class_name(tmp_assertion), tmp_assertion.id))
                        #tmp_assertion = response.assertion.advice.assertion[0]
                        _assertion.advice.encrypted_assertion[0].add_extension_element(tmp_assertion)

                        if encrypt_assertion_self_contained:
                            advice_tag = response.assertion.advice._to_element_tree().tag
                            assertion_tag = tmp_assertion._to_element_tree().tag
                            response = \
                                response.get_xml_string_with_self_contained_assertion_within_advice_encrypted_assertion(
                                    assertion_tag, advice_tag)
                        node_xpath = ''.join(["/*[local-name()=\"%s\"]" % v for v in
                                              ["Response", "Assertion", "Advice", "EncryptedAssertion", "Assertion"]])

                        if to_sign_advice:
                            response = signed_instance_factory(response, self.sec, to_sign_advice)
                        response = self._encrypt_assertion(encrypt_cert_advice, sp_entity_id, response, node_xpath=node_xpath)
                        response = response_from_string(response)

            if encrypt_assertion:
                to_sign_assertion = []
                if sign_assertion is not None and sign_assertion:
#.........这里部分代码省略.........

    def logout_response(self, request, bindings, status=None, sign=False, issuer=None):
        """ Create a LogoutResponse. What is returned depends on which binding
        is used.
        
        :param request: The request this is a response to
        :param bindings: Which bindings that can be used to send the response
        :param status: The return status of the response operation
        :param issuer: The issuer of the message
        :return: A 3-tuple consisting of HTTP return code, HTTP headers and 
            possibly a message.
        """
        sp_entity_id = request.issuer.text.strip()

        binding = None
        destinations = []
        for binding in bindings:
            destinations = self.conf.single_logout_services(sp_entity_id, binding)
            if destinations:
                break

        if not destinations:
            if self.log:
                self.log.error("Not way to return a response !!!")
            return ("412 Precondition Failed", [("Content-type", "text/html")], ["No return way defined"])

        # Pick the first
        destination = destinations[0]

        if self.log:
            self.log.info("Logout Destination: %s, binding: %s" % (destination, binding))
        if not status:
            status = success_status_factory()

        mid = sid()
        rcode = "200 OK"

        # response and packaging differs depending on binding

        if binding == BINDING_SOAP:
            response = logoutresponse_factory(sign=sign, id=mid, in_response_to=request.id, status=status)
            if sign:
                to_sign = [(class_name(response), mid)]
                response = signed_instance_factory(response, self.sec, to_sign)

            (headers, message) = http_soap_message(response)
        else:
            _issuer = self.issuer(issuer)
            response = logoutresponse_factory(
                sign=sign,
                id=mid,
                in_response_to=request.id,
                status=status,
                issuer=_issuer,
                destination=destination,
                sp_entity_id=sp_entity_id,
                instant=instant(),
            )
            if sign:
                to_sign = [(class_name(response), mid)]
                response = signed_instance_factory(response, self.sec, to_sign)

            if self.log:
                self.log.info("Response: %s" % (response,))
            if binding == BINDING_HTTP_REDIRECT:
                (headers, message) = http_redirect_message(response, destination, typ="SAMLResponse")
                rcode = "302 Found"
            else:
                (headers, message) = http_post_message(response, destination, typ="SAMLResponse")

        return rcode, headers, message

    def _response(
        self,
        in_response_to,
        consumer_url=None,
        sp_entity_id=None,
        identity=None,
        name_id=None,
        status=None,
        sign=False,
        policy=Policy(),
        authn=None,
        authn_decl=None,
        issuer=None,
    ):
        """ Create a Response that adhers to the ??? profile.
        
        :param in_response_to: The session identifier of the request
        :param consumer_url: The URL which should receive the response
        :param sp_entity_id: The entity identifier of the SP
        :param identity: A dictionary with attributes and values that are
            expected to be the bases for the assertion in the response.
        :param name_id: The identifier of the subject
        :param status: The status of the response
        :param sign: Whether the assertion should be signed or not 
        :param policy: The attribute release policy for this instance
        :param authn: A 2-tuple denoting the authn class and the authn
            authority
        :param authn_decl:
        :param issuer: The issuer of the response
        :return: A Response instance
        """

        to_sign = []

        if not status:
            status = success_status_factory()

        _issuer = self.issuer(issuer)

        response = response_factory(issuer=_issuer, in_response_to=in_response_to, status=status)

        if consumer_url:
            response.destination = consumer_url

        if identity:
            ast = Assertion(identity)
            try:
                ast.apply_policy(sp_entity_id, policy, self.metadata)
            except MissingValue, exc:
                return self.error_response(in_response_to, consumer_url, sp_entity_id, exc, name_id)

            if authn:  # expected to be a 2-tuple class+authority
                (authn_class, authn_authn) = authn
                assertion = ast.construct(
                    sp_entity_id,
                    in_response_to,
                    consumer_url,
                    name_id,
                    self.conf.attribute_converters,
                    policy,
                    issuer=_issuer,
                    authn_class=authn_class,
                    authn_auth=authn_authn,
                )
            elif authn_decl:
                assertion = ast.construct(
                    sp_entity_id,
                    in_response_to,
                    consumer_url,
                    name_id,
                    self.conf.attribute_converters,
                    policy,
                    issuer=_issuer,
                    authn_decl=authn_decl,
                )
            else:
                assertion = ast.construct(
                    sp_entity_id,
                    in_response_to,
                    consumer_url,
                    name_id,
                    self.conf.attribute_converters,
                    policy,
                    issuer=_issuer,
                )

            if sign:
                assertion.signature = pre_signature_part(assertion.id, self.sec.my_cert, 1)
                # Just the assertion or the response and the assertion ?
                to_sign = [(class_name(assertion), assertion.id)]

            # Store which assertion that has been sent to which SP about which
            # subject.

            # self.cache.set(assertion.subject.name_id.text,
            #                 sp_entity_id, {"ava": identity, "authn": authn},
            #                 assertion.conditions.not_on_or_after)

            response.assertion = assertion

    def test_sign_then_encrypt_assertion_advice(self):
        # Begin with the IdPs side
        _sec = self.server.sec

        nameid_policy = samlp.NameIDPolicy(allow_create="false",
                                           format=saml.NAMEID_FORMAT_PERSISTENT)

        asser = Assertion({"givenName": "Derek", "surName": "Jeter"})
        assertion = asser.construct(
            self.client.config.entityid, "_012345",
            "http://lingon.catalogix.se:8087/",
            factory(saml.NameID, format=saml.NAMEID_FORMAT_TRANSIENT),
            policy=self.server.config.getattr("policy", "idp"),
            issuer=self.server._issuer(),
            attrconvs=self.server.config.attribute_converters,
            authn_class=INTERNETPROTOCOLPASSWORD,
            authn_auth="http://www.example.com/login")

        a_asser = Assertion({"uid": "test01", "email": "[email protected]"})
        a_assertion = a_asser.construct(
            self.client.config.entityid, "_012345",
            "http://lingon.catalogix.se:8087/",
            factory(saml.NameID, format=saml.NAMEID_FORMAT_TRANSIENT),
            policy=self.server.config.getattr("policy", "idp"),
            issuer=self.server._issuer(),
            attrconvs=self.server.config.attribute_converters,
            authn_class=INTERNETPROTOCOLPASSWORD,
            authn_auth="http://www.example.com/login")

        a_assertion.signature = sigver.pre_signature_part(
            a_assertion.id, _sec.my_cert, 1)

        assertion.advice = Advice()

        assertion.advice.encrypted_assertion = []
        assertion.advice.encrypted_assertion.append(EncryptedAssertion())

        assertion.advice.encrypted_assertion[0].add_extension_element(a_assertion)

        response = sigver.response_factory(
            in_response_to="_012345",
            destination="http://lingon.catalogix.se:8087/",
            status=s_utils.success_status_factory(),
            issuer=self.server._issuer()
        )

        response.assertion.append(assertion)

        response = _sec.sign_statement("%s" % response, class_name(a_assertion),
                                     key_file=self.client.sec.key_file,
                                     node_id=a_assertion.id)

        #xmldoc = "%s" % response
        # strangely enough I get different tags if I run this test separately
        # or as part of a bunch of tests.
        #xmldoc = add_subelement(xmldoc, "EncryptedAssertion", sigass)

        node_xpath = ''.join(["/*[local-name()=\"%s\"]" % v for v in
                                ["Response", "Assertion", "Advice", "EncryptedAssertion", "Assertion"]])

        enctext = _sec.crypto.encrypt_assertion(response, _sec.cert_file,
                                                pre_encryption_part(), node_xpath=node_xpath)

        #seresp = samlp.response_from_string(enctext)

        resp_str = base64.encodestring(enctext)
        # Now over to the client side
        resp = self.client.parse_authn_request_response(
            resp_str, BINDING_HTTP_POST,
            {"_012345": "http://foo.example.com/service"})

        #assert resp.encrypted_assertion == []
        assert resp.assertion
        assert resp.assertion.advice
        assert resp.assertion.advice.assertion
        assert resp.ava == \
               {'sn': ['Jeter'], 'givenName': ['Derek'], 'uid': ['test01'], 'email': ['[email protected]']}

    def _response(self, in_response_to, consumer_url=None, status=None,
                  issuer=None, sign=False, to_sign=None,
                  encrypt_assertion=False, encrypt_assertion_self_contained=False, encrypted_advice_attributes=False,
                  encrypt_cert=None, **kwargs):
        """ Create a Response.
            Encryption:
                encrypt_assertion must be true for encryption to be performed. If encrypted_advice_attributes also is
                true, then will the function try to encrypt the assertion in the the advice element of the main
                assertion. Only one assertion element is allowed in the advice element, if multiple assertions exists
                in the advice element the main assertion will be encrypted instead, since it's no point to encrypt
                If encrypted_advice_attributes is
                false the main assertion will be encrypted. Since the same key

        :param in_response_to: The session identifier of the request
        :param consumer_url: The URL which should receive the response
        :param status: The status of the response
        :param issuer: The issuer of the response
        :param sign: Whether the response should be signed or not
        :param to_sign: If there are other parts to sign
        :param kwargs: Extra key word arguments
        :return: A Response instance
        """

        if not status:
            status = success_status_factory()

        _issuer = self._issuer(issuer)

        response = response_factory(issuer=_issuer,
                                    in_response_to=in_response_to,
                                    status=status)

        if consumer_url:
            response.destination = consumer_url

        self._add_info(response, **kwargs)

        if not sign and to_sign and not encrypt_assertion:
            return signed_instance_factory(response, self.sec, to_sign)

        if encrypt_assertion:
            node_xpath = None
            if sign:
                response.signature = pre_signature_part(response.id,
                                                        self.sec.my_cert, 1)
                sign_class = [(class_name(response), response.id)]
            cbxs = CryptoBackendXmlSec1(self.config.xmlsec_binary)
            if encrypted_advice_attributes and response.assertion.advice is not None \
                    and len(response.assertion.advice.assertion) == 1:
                tmp_assertion = response.assertion.advice.assertion[0]
                response.assertion.advice.encrypted_assertion = []
                response.assertion.advice.encrypted_assertion.append(EncryptedAssertion())
                if isinstance(tmp_assertion, list):
                    response.assertion.advice.encrypted_assertion[0].add_extension_elements(tmp_assertion)
                else:
                    response.assertion.advice.encrypted_assertion[0].add_extension_element(tmp_assertion)
                response.assertion.advice.assertion = []
                if encrypt_assertion_self_contained:
                    advice_tag = response.assertion.advice._to_element_tree().tag
                    assertion_tag = tmp_assertion._to_element_tree().tag
                    response = response.get_xml_string_with_self_contained_assertion_within_advice_encrypted_assertion(
                        assertion_tag, advice_tag)
                node_xpath = ''.join(["/*[local-name()=\"%s\"]" % v for v in
                                      ["Response", "Assertion", "Advice", "EncryptedAssertion", "Assertion"]])
            elif encrypt_assertion_self_contained:
                assertion_tag = response.assertion._to_element_tree().tag
                response = pre_encrypt_assertion(response)
                response = response.get_xml_string_with_self_contained_assertion_within_encrypted_assertion(
                    assertion_tag)
            else:
                response = pre_encrypt_assertion(response)
            if to_sign:
                response = signed_instance_factory(response, self.sec, to_sign)
            _, cert_file = make_temp("%s" % encrypt_cert, decode=False)
            response = cbxs.encrypt_assertion(response, cert_file,
                                              pre_encryption_part(), node_xpath=node_xpath)
                                              # template(response.assertion.id))
            if sign:
                return signed_instance_factory(response, self.sec, sign_class)
            else:
                return response

        if sign:
            return self.sign(response, to_sign=to_sign)
        else:
            return response