def get_auth_response(self, samlfrontend, context, internal_response,
sp_conf, idp_metadata_str):
sp_config = SPConfig().load(sp_conf, metadata_construction=False)
resp_args = {
"name_id_policy":
NameIDPolicy(format=NAMEID_FORMAT_TRANSIENT),
"in_response_to":
None,
"destination":
sp_config.endpoint("assertion_consumer_service",
binding=BINDING_HTTP_REDIRECT)[0],
"sp_entity_id":
sp_conf["entityid"],
"binding":
BINDING_HTTP_REDIRECT
}
request_state = samlfrontend._create_state_data(context, resp_args, "")
context.state[samlfrontend.name] = request_state
resp = samlfrontend.handle_authn_response(context, internal_response)
sp_conf["metadata"]["inline"].append(idp_metadata_str)
fakesp = FakeSP(sp_config)
resp_dict = parse_qs(urlparse(resp.message).query)
return fakesp.parse_authn_request_response(
resp_dict["SAMLResponse"][0], BINDING_HTTP_REDIRECT)
def test_handle_authn_request_without_name_id_policy(
self, idp_conf, sp_conf):
"""
Performs a complete test for the module. The flow should be accepted.
"""
context, samlfrontend = self.setup_for_authn_req(idp_conf, sp_conf, "")
_, internal_req = samlfrontend.handle_authn_request(
context, BINDING_HTTP_REDIRECT)
assert internal_req.requestor == sp_conf["entityid"]
auth_info = AuthenticationInformation(PASSWORD, "2015-09-30T12:21:37Z",
"unittest_idp.xml")
internal_response = InternalResponse(auth_info=auth_info)
internal_response.set_user_id_hash_type(internal_req.user_id_hash_type)
internal_response.add_attributes(USERS["testuser1"])
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
fakesp = FakeSP(None,
config=SPConfig().load(sp_conf,
metadata_construction=False))
resp = fakesp.parse_authn_request_response(
resp_dict['SAMLResponse'][0], BINDING_HTTP_REDIRECT)
for key in resp.ava:
assert USERS["testuser1"][key] == resp.ava[key]
def test_handle_authn_request(self, context, idp_conf, sp_conf, internal_response):
samlfrontend = self.setup_for_authn_req(context, idp_conf, sp_conf)
_, internal_req = samlfrontend.handle_authn_request(context, BINDING_HTTP_REDIRECT)
assert internal_req.requester == sp_conf["entityid"]
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
fakesp = FakeSP(SPConfig().load(sp_conf, metadata_construction=False))
resp = fakesp.parse_authn_request_response(resp_dict["SAMLResponse"][0],
BINDING_HTTP_REDIRECT)
for key in resp.ava:
assert USERS["testuser1"][key] == resp.ava[key]
def test_handle_authn_request(self, context, idp_conf, sp_conf, internal_response):
samlfrontend = self.setup_for_authn_req(context, idp_conf, sp_conf)
_, internal_req = samlfrontend.handle_authn_request(context, BINDING_HTTP_REDIRECT)
assert internal_req.requester == sp_conf["entityid"]
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
fakesp = FakeSP(SPConfig().load(sp_conf, metadata_construction=False))
resp = fakesp.parse_authn_request_response(resp_dict["SAMLResponse"][0],
BINDING_HTTP_REDIRECT)
for key in resp.ava:
assert USERS["testuser1"][key] == resp.ava[key]
def test_acr_mapping_per_idp_in_authn_response(self, idp_conf, sp_conf):
expected_loa = "LoA1"
loa = {
"": "http://eidas.europa.eu/LoA/low",
idp_conf["entityid"]: expected_loa
}
base = self.construct_base_url_from_entity_id(idp_conf["entityid"])
conf = {
"idp_config": idp_conf,
"endpoints": ENDPOINTS,
"base": base,
"state_id": "state_id",
"acr_mapping": loa
}
samlfrontend = SamlFrontend(None, INTERNAL_ATTRIBUTES, conf)
samlfrontend.register_endpoints(["foo"])
idp_metadata_str = create_metadata_from_config_dict(
samlfrontend.config)
sp_conf["metadata"]["inline"].append(idp_metadata_str)
fakesp = FakeSP(None,
config=SPConfig().load(sp_conf,
metadata_construction=False))
auth_info = AuthenticationInformation(PASSWORD, "2015-09-30T12:21:37Z",
idp_conf["entityid"])
internal_response = InternalResponse(auth_info=auth_info)
context = Context()
context.state = State()
resp_args = {
"name_id_policy": NameIDPolicy(format=NAMEID_FORMAT_TRANSIENT),
"in_response_to": None,
"destination": "",
"sp_entity_id": None,
"binding": BINDING_HTTP_REDIRECT
}
request_state = samlfrontend.save_state(context, resp_args, "")
context.state.add(conf["state_id"], request_state)
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
resp = fakesp.parse_authn_request_response(
resp_dict['SAMLResponse'][0], BINDING_HTTP_REDIRECT)
assert len(resp.assertion.authn_statement) == 1
authn_context_class_ref = resp.assertion.authn_statement[
0].authn_context.authn_context_class_ref
assert authn_context_class_ref.text == expected_loa
def run_test(self, satosa_config_dict, sp_conf, oidc_backend_config, frontend_config):
subject_id = "testuser1"
# proxy config
satosa_config_dict["FRONTEND_MODULES"] = [frontend_config]
satosa_config_dict["BACKEND_MODULES"] = [oidc_backend_config]
satosa_config_dict["INTERNAL_ATTRIBUTES"]["attributes"] = {attr_name: {"openid": [attr_name],
"saml": [attr_name]}
for attr_name in USERS[subject_id]}
frontend_metadata, backend_metadata = create_entity_descriptors(SATOSAConfig(satosa_config_dict))
# application
test_client = Client(make_app(SATOSAConfig(satosa_config_dict)), BaseResponse)
# config test SP
frontend_metadata_str = str(frontend_metadata[frontend_config["name"]][0])
sp_conf["metadata"]["inline"].append(frontend_metadata_str)
fakesp = FakeSP(SPConfig().load(sp_conf, metadata_construction=False))
# create auth req
destination, req_args = fakesp.make_auth_req(frontend_metadata[frontend_config["name"]][0].entity_id)
auth_req = urlparse(destination).path + "?" + urlencode(req_args)
# make auth req to proxy
proxied_auth_req = test_client.get(auth_req)
assert proxied_auth_req.status == "302 Found"
parsed_auth_req = dict(parse_qsl(urlparse(proxied_auth_req.data.decode("utf-8")).query))
# create auth resp
id_token_claims = {k: v[0] for k, v in USERS[subject_id].items()}
id_token_claims["sub"] = subject_id
id_token_claims["iat"] = time.time()
id_token_claims["exp"] = time.time() + 3600
id_token_claims["iss"] = "https://op.example.com"
id_token_claims["aud"] = oidc_backend_config["config"]["client"]["client_metadata"]["client_id"]
id_token_claims["nonce"] = parsed_auth_req["nonce"]
id_token = IdToken(**id_token_claims).to_jwt()
authn_resp = {"state": parsed_auth_req["state"], "id_token": id_token}
# make auth resp to proxy
redirect_uri_path = urlparse(
oidc_backend_config["config"]["client"]["client_metadata"]["redirect_uris"][0]).path
authn_resp_req = redirect_uri_path + "?" + urlencode(authn_resp)
authn_resp = test_client.get(authn_resp_req)
assert authn_resp.status == "303 See Other"
# verify auth resp from proxy
resp_dict = dict(parse_qsl(urlparse(authn_resp.data.decode("utf-8")).query))
auth_resp = fakesp.parse_authn_request_response(resp_dict["SAMLResponse"], BINDING_HTTP_REDIRECT)
assert auth_resp.ava == USERS[subject_id]
def run_test(self, satosa_config_dict, sp_conf, idp_conf, saml_backend_config, frontend_config):
user_id = "testuser1"
# proxy config
satosa_config_dict["FRONTEND_MODULES"] = [frontend_config]
satosa_config_dict["BACKEND_MODULES"] = [saml_backend_config]
satosa_config_dict["INTERNAL_ATTRIBUTES"]["attributes"] = {attr_name: {"saml": [attr_name]} for attr_name in
USERS[user_id]}
frontend_metadata, backend_metadata = create_entity_descriptors(SATOSAConfig(satosa_config_dict))
# application
test_client = Client(make_app(SATOSAConfig(satosa_config_dict)), BaseResponse)
# config test SP
frontend_metadata_str = str(frontend_metadata[frontend_config["name"]][0])
sp_conf["metadata"]["inline"].append(frontend_metadata_str)
fakesp = FakeSP(SPConfig().load(sp_conf, metadata_construction=False))
# create auth req
destination, req_args = fakesp.make_auth_req(frontend_metadata[frontend_config["name"]][0].entity_id)
auth_req = urlparse(destination).path + "?" + urlencode(req_args)
# make auth req to proxy
proxied_auth_req = test_client.get(auth_req)
assert proxied_auth_req.status == "303 See Other"
# config test IdP
backend_metadata_str = str(backend_metadata[saml_backend_config["name"]][0])
idp_conf["metadata"]["inline"].append(backend_metadata_str)
fakeidp = FakeIdP(USERS, config=IdPConfig().load(idp_conf, metadata_construction=False))
# create auth resp
req_params = dict(parse_qsl(urlparse(proxied_auth_req.data.decode("utf-8")).query))
url, authn_resp = fakeidp.handle_auth_req(
req_params["SAMLRequest"],
req_params["RelayState"],
BINDING_HTTP_REDIRECT,
user_id,
response_binding=BINDING_HTTP_REDIRECT)
# make auth resp to proxy
authn_resp_req = urlparse(url).path + "?" + urlencode(authn_resp)
authn_resp = test_client.get("/" + authn_resp_req)
assert authn_resp.status == "303 See Other"
# verify auth resp from proxy
resp_dict = dict(parse_qsl(urlparse(authn_resp.data.decode("utf-8")).query))
auth_resp = fakesp.parse_authn_request_response(resp_dict["SAMLResponse"], BINDING_HTTP_REDIRECT)
assert auth_resp.ava == USERS[user_id]
def get_auth_response(self, samlfrontend, context, internal_response, sp_conf, idp_metadata_str):
sp_config = SPConfig().load(sp_conf, metadata_construction=False)
resp_args = {
"name_id_policy": NameIDPolicy(format=NAMEID_FORMAT_TRANSIENT),
"in_response_to": None,
"destination": sp_config.endpoint("assertion_consumer_service", binding=BINDING_HTTP_REDIRECT)[0],
"sp_entity_id": sp_conf["entityid"],
"binding": BINDING_HTTP_REDIRECT
}
request_state = samlfrontend._create_state_data(context, resp_args, "")
context.state[samlfrontend.name] = request_state
resp = samlfrontend.handle_authn_response(context, internal_response)
sp_conf["metadata"]["inline"].append(idp_metadata_str)
fakesp = FakeSP(sp_config)
resp_dict = parse_qs(urlparse(resp.message).query)
return fakesp.parse_authn_request_response(resp_dict["SAMLResponse"][0], BINDING_HTTP_REDIRECT)
def test_handle_authn_response_without_name_id(
self, context, idp_conf, sp_conf, internal_response):
samlfrontend = self.setup_for_authn_req(
context, idp_conf, sp_conf, relay_state=None)
_, internal_req = samlfrontend.handle_authn_request(
context, BINDING_HTTP_REDIRECT)
# Make sure we are testing the equivalent of a <Response> with no
# <NameID> in the <Subject>.
assert internal_response.subject_type is None
assert internal_response.subject_id is None
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
fakesp = FakeSP(SPConfig().load(sp_conf, metadata_construction=False))
resp = fakesp.parse_authn_request_response(
resp_dict["SAMLResponse"][0], BINDING_HTTP_REDIRECT)
# The <NameID> must not have an empty TextContent.
assert resp.name_id.text is not None
def test_handle_authn_request_without_name_id_policy(self, idp_conf, sp_conf):
"""
Performs a complete test for the module. The flow should be accepted.
"""
context, samlfrontend = self.setup_for_authn_req(idp_conf, sp_conf, "")
_, internal_req = samlfrontend.handle_authn_request(context, BINDING_HTTP_REDIRECT)
assert internal_req.requestor == sp_conf["entityid"]
auth_info = AuthenticationInformation(PASSWORD, "2015-09-30T12:21:37Z", "unittest_idp.xml")
internal_response = InternalResponse(auth_info=auth_info)
internal_response.set_user_id_hash_type(internal_req.user_id_hash_type)
internal_response.add_attributes(USERS["testuser1"])
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
fakesp = FakeSP(None, config=SPConfig().load(sp_conf, metadata_construction=False))
resp = fakesp.parse_authn_request_response(resp_dict['SAMLResponse'][0],
BINDING_HTTP_REDIRECT)
for key in resp.ava:
assert USERS["testuser1"][key] == resp.ava[key]
def test_handle_authn_response_without_name_id(
self, context, idp_conf, sp_conf, internal_response):
samlfrontend = self.setup_for_authn_req(
context, idp_conf, sp_conf, relay_state=None)
_, internal_req = samlfrontend.handle_authn_request(
context, BINDING_HTTP_REDIRECT)
# Make sure we are testing the equivalent of a <Response> with no
# <NameID> in the <Subject>.
assert internal_response.subject_type is None
assert internal_response.subject_id is None
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
fakesp = FakeSP(SPConfig().load(sp_conf, metadata_construction=False))
resp = fakesp.parse_authn_request_response(
resp_dict["SAMLResponse"][0], BINDING_HTTP_REDIRECT)
# The <NameID> must not have an empty TextContent.
assert resp.name_id.text is not None
def test_acr_mapping_per_idp_in_authn_response(self, idp_conf, sp_conf):
expected_loa = "LoA1"
loa = {"": "http://eidas.europa.eu/LoA/low", idp_conf["entityid"]: expected_loa}
base = self.construct_base_url_from_entity_id(idp_conf["entityid"])
conf = {"idp_config": idp_conf, "endpoints": ENDPOINTS, "base": base,
"state_id": "state_id", "acr_mapping": loa}
samlfrontend = SamlFrontend(None, INTERNAL_ATTRIBUTES, conf)
samlfrontend.register_endpoints(["foo"])
idp_metadata_str = create_metadata_from_config_dict(samlfrontend.config)
sp_conf["metadata"]["inline"].append(idp_metadata_str)
fakesp = FakeSP(None, config=SPConfig().load(sp_conf, metadata_construction=False))
auth_info = AuthenticationInformation(PASSWORD, "2015-09-30T12:21:37Z", idp_conf["entityid"])
internal_response = InternalResponse(auth_info=auth_info)
context = Context()
context.state = State()
resp_args = {
"name_id_policy": NameIDPolicy(format=NAMEID_FORMAT_TRANSIENT),
"in_response_to": None,
"destination": "",
"sp_entity_id": None,
"binding": BINDING_HTTP_REDIRECT
}
request_state = samlfrontend.save_state(context, resp_args, "")
context.state.add(conf["state_id"], request_state)
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
resp = fakesp.parse_authn_request_response(resp_dict['SAMLResponse'][0],
BINDING_HTTP_REDIRECT)
assert len(resp.assertion.authn_statement) == 1
authn_context_class_ref = resp.assertion.authn_statement[
0].authn_context.authn_context_class_ref
assert authn_context_class_ref.text == expected_loa
def test_respect_sp_entity_categories(self, entity_category, expected_attributes, idp_conf, sp_conf):
base = self.construct_base_url_from_entity_id(idp_conf["entityid"])
conf = {"idp_config": idp_conf, "endpoints": ENDPOINTS, "base": base,
"state_id": "state_id"}
internal_attributes = {attr_name: {"saml": [attr_name.lower()]} for attr_name in expected_attributes}
samlfrontend = SamlFrontend(None, dict(attributes=internal_attributes), conf)
samlfrontend.register_endpoints(["foo"])
idp_metadata_str = create_metadata_from_config_dict(samlfrontend.idp_config)
sp_conf["metadata"]["inline"].append(idp_metadata_str)
sp_conf["entity_category"] = entity_category
fakesp = FakeSP(None, config=SPConfig().load(sp_conf, metadata_construction=False))
auth_info = AuthenticationInformation(PASSWORD, "2015-09-30T12:21:37Z", idp_conf["entityid"])
internal_response = InternalResponse(auth_info=auth_info)
user_attributes = {k: "foo" for k in expected_attributes}
user_attributes.update({k: "bar" for k in ["extra", "more", "stuff"]})
internal_response.add_attributes(user_attributes)
context = Context()
context.state = State()
resp_args = {
"name_id_policy": NameIDPolicy(format=NAMEID_FORMAT_TRANSIENT),
"in_response_to": None,
"destination": "",
"sp_entity_id": None,
"binding": BINDING_HTTP_REDIRECT
}
request_state = samlfrontend.save_state(context, resp_args, "")
context.state.add(conf["state_id"], request_state)
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
resp = fakesp.parse_authn_request_response(resp_dict['SAMLResponse'][0],
BINDING_HTTP_REDIRECT)
assert Counter(resp.ava.keys()) == Counter(expected_attributes)
def test_handle_authn_response_without_relay_state(self, context, idp_conf,
sp_conf,
internal_response):
samlfrontend = self.setup_for_authn_req(context,
idp_conf,
sp_conf,
relay_state=None)
_, internal_req = samlfrontend.handle_authn_request(
context, BINDING_HTTP_REDIRECT)
assert internal_req.requester == sp_conf["entityid"]
resp = samlfrontend.handle_authn_response(context, internal_response)
resp_dict = parse_qs(urlparse(resp.message).query)
fakesp = FakeSP(SPConfig().load(sp_conf))
resp = fakesp.parse_authn_request_response(
resp_dict["SAMLResponse"][0], BINDING_HTTP_REDIRECT)
for key in resp.ava:
assert USERS["testuser1"][key] == resp.ava[key]
assert samlfrontend.name not in context.state
class TestProxy:
"""
Performs a complete flow test for the proxy.
Verifies SAML -> PROXY -> SAML.
"""
@pytest.fixture(autouse=True)
def setup(self):
"""
Initiates the test.
:return: None
"""
self.sp = FakeSP(None,
config=SPConfig().load(
TestConfiguration.get_instance().fake_sp_config,
metadata_construction=False))
self.idp = FakeIdP(
USERS,
IdPConfig().load(TestConfiguration.get_instance().fake_idp_config,
metadata_construction=False))
def test_flow(self):
"""
Performs the test.
"""
e_id = 'https://localhost:8090/proxy.xml'
target_id = 'https://example.com/unittest_idp.xml'
url = "{}&entityID={}".format(self.sp.make_auth_req(e_id),
quote(target_id))
app = WsgiApplication(
config=TestConfiguration.get_instance().proxy_config)
test_client = Client(app.run_server, BaseResponse)
parsed = urlparse(url)
request = "{}?{}".format(parsed.path, parsed.query)
resp = test_client.get(request)
assert resp.status == '303 See Other'
headers = dict(resp.headers)
assert headers["Set-Cookie"], "Did not save state in cookie!"
url = headers["location"]
req = parse_qs(urlsplit(url).query)
assert 'SAMLRequest' in req
assert 'RelayState' in req
action, body = self.idp.handle_auth_req(req['SAMLRequest'][0],
req['RelayState'][0],
BINDING_HTTP_REDIRECT,
'testuser1')
parsed = urlparse(action)
request = "{}?{}".format(parsed.path, parsed.query)
resp = test_client.post(request,
data=urlencode(body),
headers=[("Cookie", headers["Set-Cookie"]),
("Content-Type",
"application/x-www-form-urlencoded")
])
assert resp.status == '302 Found'
headers = dict(resp.headers)
url = headers["location"]
req = parse_qs(urlsplit(url).query)
assert 'SAMLResponse' in req
assert 'RelayState' in req
resp = self.sp.parse_authn_request_response(req['SAMLResponse'][0],
BINDING_HTTP_REDIRECT)
identity = resp.ava
assert identity["displayName"][0] == "Test Testsson"
class TestProxy:
"""
Performs a complete flow test for the proxy.
Verifies SAML -> PROXY -> SAML.
"""
@pytest.fixture(autouse=True)
def setup(self):
"""
Initiates the test.
:return: None
"""
self.sp = FakeSP(None, config=SPConfig().load(TestConfiguration.get_instance().
fake_sp_config,
metadata_construction=False))
self.idp = FakeIdP(USERS, IdPConfig().load(TestConfiguration.get_instance().fake_idp_config,
metadata_construction=False))
def test_flow(self):
"""
Performs the test.
"""
e_id = 'https://localhost:8090/proxy.xml'
target_id = 'https://example.com/unittest_idp.xml'
url = "{}&entityID={}".format(self.sp.make_auth_req(e_id), quote(target_id))
app = WsgiApplication(config=TestConfiguration.get_instance().proxy_config)
test_client = Client(app.run_server, BaseResponse)
parsed = urlparse(url)
request = "{}?{}".format(parsed.path, parsed.query)
resp = test_client.get(request)
assert resp.status == '303 See Other'
headers = dict(resp.headers)
assert headers["Set-Cookie"], "Did not save state in cookie!"
url = headers["location"]
req = parse_qs(urlsplit(url).query)
assert 'SAMLRequest' in req
assert 'RelayState' in req
action, body = self.idp.handle_auth_req(req['SAMLRequest'][0],
req['RelayState'][0],
BINDING_HTTP_REDIRECT,
'testuser1')
parsed = urlparse(action)
request = "{}?{}".format(parsed.path, parsed.query)
resp = test_client.post(request, data=urlencode(body),
headers=[("Cookie", headers["Set-Cookie"]),
("Content-Type", "application/x-www-form-urlencoded")])
assert resp.status == '302 Found'
headers = dict(resp.headers)
url = headers["location"]
req = parse_qs(urlsplit(url).query)
assert 'SAMLResponse' in req
assert 'RelayState' in req
resp = self.sp.parse_authn_request_response(req['SAMLResponse'][0], BINDING_HTTP_REDIRECT)
identity = resp.ava
assert identity["displayName"][0] == "Test Testsson"
def run_test(self, satosa_config_dict, sp_conf, idp_conf,
saml_backend_config, frontend_config):
subject_id = "testuser1"
# proxy config
satosa_config_dict["FRONTEND_MODULES"] = [frontend_config]
satosa_config_dict["BACKEND_MODULES"] = [saml_backend_config]
satosa_config_dict["INTERNAL_ATTRIBUTES"]["attributes"] = {
attr_name: {
"saml": [attr_name]
}
for attr_name in USERS[subject_id]
}
frontend_metadata, backend_metadata = create_entity_descriptors(
SATOSAConfig(satosa_config_dict))
# application
test_client = Client(make_app(SATOSAConfig(satosa_config_dict)),
BaseResponse)
# config test SP
frontend_metadata_str = str(
frontend_metadata[frontend_config["name"]][0])
sp_conf["metadata"]["inline"].append(frontend_metadata_str)
fakesp = FakeSP(SPConfig().load(sp_conf, metadata_construction=False))
# create auth req
destination, req_args = fakesp.make_auth_req(
frontend_metadata[frontend_config["name"]][0].entity_id)
auth_req = urlparse(destination).path + "?" + urlencode(req_args)
# make auth req to proxy
proxied_auth_req = test_client.get(auth_req)
assert proxied_auth_req.status == "303 See Other"
# config test IdP
backend_metadata_str = str(
backend_metadata[saml_backend_config["name"]][0])
idp_conf["metadata"]["inline"].append(backend_metadata_str)
fakeidp = FakeIdP(USERS,
config=IdPConfig().load(idp_conf,
metadata_construction=False))
# create auth resp
req_params = dict(
parse_qsl(urlparse(proxied_auth_req.data.decode("utf-8")).query))
url, authn_resp = fakeidp.handle_auth_req(
req_params["SAMLRequest"],
req_params["RelayState"],
BINDING_HTTP_REDIRECT,
subject_id,
response_binding=BINDING_HTTP_REDIRECT)
# make auth resp to proxy
authn_resp_req = urlparse(url).path + "?" + urlencode(authn_resp)
authn_resp = test_client.get("/" + authn_resp_req)
assert authn_resp.status == "303 See Other"
# verify auth resp from proxy
resp_dict = dict(
parse_qsl(urlparse(authn_resp.data.decode("utf-8")).query))
auth_resp = fakesp.parse_authn_request_response(
resp_dict["SAMLResponse"], BINDING_HTTP_REDIRECT)
assert auth_resp.ava == USERS[subject_id]
