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test_51_client.py
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test_51_client.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from base64 import encodebytes as b64encode
import uuid
import six
from six.moves.urllib import parse
from pytest import raises
from saml2.argtree import add_path
from saml2.cert import OpenSSLWrapper
from saml2.xmldsig import SIG_RSA_SHA256
from saml2 import BINDING_HTTP_POST
from saml2 import BINDING_HTTP_REDIRECT
from saml2 import config
from saml2 import class_name
from saml2 import extension_elements_to_elements
from saml2 import saml
from saml2 import samlp
from saml2 import sigver
from saml2 import s_utils
from saml2.assertion import Assertion
from saml2.extension.requested_attributes import RequestedAttributes
from saml2.extension.requested_attributes import RequestedAttribute
from saml2.authn_context import INTERNETPROTOCOLPASSWORD
from saml2.client import Saml2Client
from saml2.pack import parse_soap_enveloped_saml
from saml2.response import LogoutResponse, StatusInvalidNameidPolicy, StatusError
from saml2.saml import NAMEID_FORMAT_PERSISTENT, EncryptedAssertion, Advice
from saml2.saml import NAMEID_FORMAT_TRANSIENT
from saml2.saml import NameID
from saml2.samlp import SessionIndex
from saml2.server import Server
from saml2.sigver import pre_encryption_part, pre_encrypt_assertion
from saml2.sigver import rm_xmltag
from saml2.sigver import verify_redirect_signature
from saml2.sigver import SignatureError, SigverError
from saml2.s_utils import do_attribute_statement
from saml2.s_utils import factory
from saml2.time_util import in_a_while, a_while_ago
from defusedxml.common import EntitiesForbidden
from fakeIDP import FakeIDP
from fakeIDP import unpack_form
from pathutils import full_path
AUTHN = {
"class_ref": INTERNETPROTOCOLPASSWORD,
"authn_auth": "http://www.example.com/login"
}
def generate_cert():
sn = uuid.uuid4().urn
cert_info = {
"cn": "localhost",
"country_code": "se",
"state": "ac",
"city": "Umea",
"organization": "ITS",
"organization_unit": "DIRG"
}
osw = OpenSSLWrapper()
ca_cert_str = osw.read_str_from_file(
full_path("root_cert/localhost.ca.crt"))
ca_key_str = osw.read_str_from_file(
full_path("root_cert/localhost.ca.key"))
req_cert_str, req_key_str = osw.create_certificate(cert_info, request=True,
sn=sn, key_length=2048)
cert_str = osw.create_cert_signed_certificate(ca_cert_str, ca_key_str,
req_cert_str)
return cert_str, req_key_str
def add_subelement(xmldoc, node_name, subelem):
if six.PY2:
_str = unicode
else:
_str = str
s = xmldoc.find(node_name)
if s > 0:
x = xmldoc.rindex("<", 0, s)
tag = xmldoc[x + 1:s - 1]
c = s + len(node_name)
spaces = ""
while xmldoc[c] == " ":
spaces += " "
c += 1
# Sometimes we get an xml header, sometimes we don't.
subelem_str = _str(subelem)
if subelem_str[0:5].lower() == '<?xml':
subelem_str = subelem_str.split("\n", 1)[1]
xmldoc = xmldoc.replace(
"<%s:%s%s/>" % (tag, node_name, spaces),
"<%s:%s%s>%s</%s:%s>" % (tag, node_name, spaces, subelem_str, tag,
node_name))
return xmldoc
def for_me(condition, me):
for restriction in condition.audience_restriction:
audience = restriction.audience
if audience.text.strip() == me:
return True
def ava(attribute_statement):
result = {}
for attribute in attribute_statement.attribute:
# Check name_format ??
name = attribute.name.strip()
result[name] = []
for value in attribute.attribute_value:
result[name].append(value.text.strip())
return result
def _leq(l1, l2):
return set(l1) == set(l2)
REQ1 = {"1.2.14": """<?xml version='1.0' encoding='UTF-8'?>
<ns0:AttributeQuery Destination="https://idp.example.com/idp/" ID="id1"
IssueInstant="%s" Version="2.0" xmlns:ns0="urn:oasis:names:tc:SAML:2
.0:protocol"><ns1:Issuer Format="urn:oasis:names:tc:SAML:2
.0:nameid-format:entity" xmlns:ns1="urn:oasis:names:tc:SAML:2
.0:assertion">urn:mace:example.com:saml:roland:sp</ns1:Issuer><ns1:Subject
xmlns:ns1="urn:oasis:names:tc:SAML:2.0:assertion"><ns1:NameID
Format="urn:oasis:names:tc:SAML:2
.0:nameid-format:persistent">E8042FB4-4D5B-48C3-8E14-8EDD852790DD</ns1:NameID
></ns1:Subject></ns0:AttributeQuery>""",
"1.2.16": """<?xml version='1.0' encoding='UTF-8'?>
<ns0:AttributeQuery xmlns:ns0="urn:oasis:names:tc:SAML:2.0:protocol"
xmlns:ns1="urn:oasis:names:tc:SAML:2.0:assertion" Destination="https://idp
.example.com/idp/" ID="id1" IssueInstant="%s" Version="2.0"><ns1:Issuer
Format="urn:oasis:names:tc:SAML:2.0:nameid-format:entity">urn:mace:example
.com:saml:roland:sp</ns1:Issuer><ns1:Subject><ns1:NameID
Format="urn:oasis:names:tc:SAML:2
.0:nameid-format:persistent">E8042FB4-4D5B-48C3-8E14-8EDD852790DD</ns1:NameID
></ns1:Subject></ns0:AttributeQuery>"""}
nid = NameID(name_qualifier="foo", format=NAMEID_FORMAT_TRANSIENT,
text="123456")
def list_values2simpletons(_dict):
return dict([(k, v[0]) for k, v in _dict.items()])
class TestClient:
def setup_class(self):
self.server = Server("idp_conf")
conf = config.SPConfig()
conf.load_file("server_conf")
self.client = Saml2Client(conf)
def teardown_class(self):
self.server.close()
def test_create_attribute_query1(self):
req_id, req = self.client.create_attribute_query(
"https://idp.example.com/idp/",
"E8042FB4-4D5B-48C3-8E14-8EDD852790DD",
format=saml.NAMEID_FORMAT_PERSISTENT,
message_id="id1")
reqstr = "%s" % req.to_string().decode()
assert req.destination == "https://idp.example.com/idp/"
assert req.id == "id1"
assert req.version == "2.0"
subject = req.subject
name_id = subject.name_id
assert name_id.format == saml.NAMEID_FORMAT_PERSISTENT
assert name_id.text == "E8042FB4-4D5B-48C3-8E14-8EDD852790DD"
issuer = req.issuer
assert issuer.text == "urn:mace:example.com:saml:roland:sp"
attrq = samlp.attribute_query_from_string(reqstr)
assert _leq(attrq.keyswv(), ['destination', 'subject', 'issue_instant',
'version', 'id', 'issuer'])
assert attrq.destination == req.destination
assert attrq.id == req.id
assert attrq.version == req.version
assert attrq.issuer.text == issuer.text
assert attrq.issue_instant == req.issue_instant
assert attrq.subject.name_id.format == name_id.format
assert attrq.subject.name_id.text == name_id.text
def test_create_attribute_query2(self):
req_id, req = self.client.create_attribute_query(
"https://idp.example.com/idp/",
"E8042FB4-4D5B-48C3-8E14-8EDD852790DD",
attribute={
("urn:oid:2.5.4.42",
"urn:oasis:names:tc:SAML:2.0:attrname-format:uri",
"givenName"): None,
("urn:oid:2.5.4.4",
"urn:oasis:names:tc:SAML:2.0:attrname-format:uri",
"surname"): None,
("urn:oid:1.2.840.113549.1.9.1",
"urn:oasis:names:tc:SAML:2.0:attrname-format:uri"): None,
},
format=saml.NAMEID_FORMAT_PERSISTENT,
message_id="id1")
assert req.destination == "https://idp.example.com/idp/"
assert req.id == "id1"
assert req.version == "2.0"
subject = req.subject
name_id = subject.name_id
assert name_id.format == saml.NAMEID_FORMAT_PERSISTENT
assert name_id.text == "E8042FB4-4D5B-48C3-8E14-8EDD852790DD"
assert len(req.attribute) == 3
# one is givenName
seen = []
for attribute in req.attribute:
if attribute.name == "urn:oid:2.5.4.42":
assert attribute.name_format == saml.NAME_FORMAT_URI
assert attribute.friendly_name == "givenName"
seen.append("givenName")
elif attribute.name == "urn:oid:2.5.4.4":
assert attribute.name_format == saml.NAME_FORMAT_URI
assert attribute.friendly_name == "surname"
seen.append("surname")
elif attribute.name == "urn:oid:1.2.840.113549.1.9.1":
assert attribute.name_format == saml.NAME_FORMAT_URI
if getattr(attribute, "friendly_name"):
assert False
seen.append("email")
assert _leq(seen, ["givenName", "surname", "email"])
def test_create_attribute_query_3(self):
req_id, req = self.client.create_attribute_query(
"https://aai-demo-idp.switch.ch/idp/shibboleth",
"_e7b68a04488f715cda642fbdd90099f5",
format=NAMEID_FORMAT_TRANSIENT,
message_id="id1")
assert isinstance(req, samlp.AttributeQuery)
assert req.destination == "https://aai-demo-idp.switch" \
".ch/idp/shibboleth"
assert req.id == "id1"
assert req.version == "2.0"
assert req.issue_instant
assert req.issuer.text == "urn:mace:example.com:saml:roland:sp"
nameid = req.subject.name_id
assert nameid.format == NAMEID_FORMAT_TRANSIENT
assert nameid.text == "_e7b68a04488f715cda642fbdd90099f5"
def test_create_auth_request_0(self):
ar_str = "%s" % self.client.create_authn_request(
"http://www.example.com/sso",
message_id="id1",
nameid_format=NAMEID_FORMAT_TRANSIENT,
)[1]
ar = samlp.authn_request_from_string(ar_str)
assert ar.assertion_consumer_service_url == ("http://lingon.catalogix"
".se:8087/")
assert ar.destination == "http://www.example.com/sso"
assert ar.protocol_binding == BINDING_HTTP_POST
assert ar.version == "2.0"
assert ar.provider_name == "urn:mace:example.com:saml:roland:sp"
assert ar.issuer.text == "urn:mace:example.com:saml:roland:sp"
nid_policy = ar.name_id_policy
assert nid_policy.allow_create is None
assert nid_policy.format == NAMEID_FORMAT_TRANSIENT
node_requested_attributes = None
for e in ar.extensions.extension_elements:
if e.tag == RequestedAttributes.c_tag:
node_requested_attributes = e
break
assert node_requested_attributes is not None
for c in node_requested_attributes.children:
assert c.tag == RequestedAttribute.c_tag
assert c.attributes['isRequired'] in ['true', 'false']
assert c.attributes['Name']
assert c.attributes['FriendlyName']
assert c.attributes['NameFormat']
def test_create_auth_request_requested_attributes(self):
req_attr = [{"friendly_name": "eduPersonOrgUnitDN", "required": True}]
ar_id, ar = self.client.create_authn_request(
"http://www.example.com/sso",
message_id="id1",
requested_attributes=req_attr
)
req_attrs_nodes = (
e
for e in ar.extensions.extension_elements
if e.tag == RequestedAttributes.c_tag
)
req_attrs_node = next(req_attrs_nodes, None)
assert req_attrs_node is not None
attrs = (
child
for child in req_attrs_node.children
if child.friendly_name == "eduPersonOrgUnitDN"
)
attr = next(attrs, None)
assert attr is not None
assert attr.c_tag == RequestedAttribute.c_tag
assert attr.is_required == 'true'
assert attr.name == 'urn:mace:dir:attribute-def:eduPersonOrgUnitDN'
assert attr.friendly_name == 'eduPersonOrgUnitDN'
assert attr.name_format == 'urn:oasis:names:tc:SAML:2.0:attrname-format:basic'
def test_create_auth_request_unset_force_authn_by_default(self):
req_id, req = self.client.create_authn_request(
"http://www.example.com/sso", sign=False, message_id="id1"
)
assert req.force_authn is None
def test_create_auth_request_set_force_authn_not_true_or_1(self):
req_id, req = self.client.create_authn_request(
"http://www.example.com/sso",
sign=False,
message_id="id1",
force_authn="0",
)
assert req.force_authn is None
def test_create_auth_request_set_force_authn_true(self):
req_id, req = self.client.create_authn_request(
"http://www.example.com/sso",
sign=False,
message_id="id1",
force_authn="true",
)
assert req.force_authn == "true"
def test_create_auth_request_set_force_authn_1(self):
req_id, req = self.client.create_authn_request(
"http://www.example.com/sso",
sign=False,
message_id="id1",
force_authn="true",
)
assert req.force_authn == "true"
def test_create_auth_request_nameid_policy_allow_create(self):
conf = config.SPConfig()
conf.load_file("sp_conf_nameidpolicy")
client = Saml2Client(conf)
ar_str = "%s" % client.create_authn_request(
"http://www.example.com/sso", message_id="id1")[1]
ar = samlp.authn_request_from_string(ar_str)
assert ar.assertion_consumer_service_url == ("http://lingon.catalogix"
".se:8087/")
assert ar.destination == "http://www.example.com/sso"
assert ar.protocol_binding == BINDING_HTTP_POST
assert ar.version == "2.0"
assert ar.provider_name == "urn:mace:example.com:saml:roland:sp"
assert ar.issuer.text == "urn:mace:example.com:saml:roland:sp"
nid_policy = ar.name_id_policy
assert nid_policy.allow_create == "true"
assert nid_policy.format == saml.NAMEID_FORMAT_PERSISTENT
def test_create_auth_request_vo(self):
assert list(self.client.config.vorg.keys()) == [
"urn:mace:example.com:it:tek"]
ar_str = "%s" % self.client.create_authn_request(
"http://www.example.com/sso",
"urn:mace:example.com:it:tek", # vo
nameid_format=NAMEID_FORMAT_PERSISTENT,
message_id="666")[1]
ar = samlp.authn_request_from_string(ar_str)
assert ar.id == "666"
assert ar.assertion_consumer_service_url == "http://lingon.catalogix" \
".se:8087/"
assert ar.destination == "http://www.example.com/sso"
assert ar.protocol_binding == BINDING_HTTP_POST
assert ar.version == "2.0"
assert ar.provider_name == "urn:mace:example.com:saml:roland:sp"
assert ar.issuer.text == "urn:mace:example.com:saml:roland:sp"
nid_policy = ar.name_id_policy
assert nid_policy.allow_create == "false"
assert nid_policy.format == saml.NAMEID_FORMAT_PERSISTENT
assert nid_policy.sp_name_qualifier == "urn:mace:example.com:it:tek"
def test_sign_auth_request_0(self):
req_id, areq = self.client.create_authn_request(
"http://www.example.com/sso", sign=True, message_id="id1")
ar_str = "%s" % areq
ar = samlp.authn_request_from_string(ar_str)
assert ar
assert ar.signature
assert ar.signature.signature_value
signed_info = ar.signature.signed_info
assert len(signed_info.reference) == 1
assert signed_info.reference[0].uri == "#id1"
assert signed_info.reference[0].digest_value
try:
assert self.client.sec.correctly_signed_authn_request(
ar_str, self.client.config.xmlsec_binary,
self.client.config.metadata)
except Exception: # missing certificate
self.client.sec.verify_signature(ar_str, node_name=class_name(ar))
def test_create_logout_request(self):
req_id, req = self.client.create_logout_request(
"http://localhost:8088/slo", "urn:mace:example.com:saml:roland:idp",
name_id=nid, reason="Tired", expire=in_a_while(minutes=15),
session_indexes=["_foo"])
assert req.destination == "http://localhost:8088/slo"
assert req.reason == "Tired"
assert req.version == "2.0"
assert req.name_id == nid
assert req.issuer.text == "urn:mace:example.com:saml:roland:sp"
assert req.session_index == [SessionIndex("_foo")]
def test_response_1(self):
IDP = "urn:mace:example.com:saml:roland:idp"
ava = {"givenName": ["Derek"], "sn": ["Jeter"],
"mail": ["derek@nyy.mlb.com"], "title": ["The man"]}
nameid_policy = samlp.NameIDPolicy(allow_create="false",
format=saml.NAMEID_FORMAT_PERSISTENT)
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id_policy=nameid_policy,
sign_response=True,
userid="foba0001@example.com",
authn=AUTHN)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = self.client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"})
assert authn_response is not None
assert authn_response.issuer() == IDP
assert authn_response.response.assertion[0].issuer.text == IDP
session_info = authn_response.session_info()
assert session_info["ava"] == {'mail': ['derek@nyy.mlb.com'],
'givenName': ['Derek'],
'sn': ['Jeter'],
'title': ["The man"]}
assert session_info["issuer"] == IDP
assert session_info["came_from"] == "http://foo.example.com/service"
response = samlp.response_from_string(authn_response.xmlstr)
assert response.destination == "http://lingon.catalogix.se:8087/"
assert "session_index" in session_info
# One person in the cache
assert len(self.client.users.subjects()) == 1
subject_id = self.client.users.subjects()[0]
# The information I have about the subject comes from one source
assert self.client.users.issuers_of_info(subject_id) == [IDP]
# --- authenticate another person
ava = {"givenName": ["Alfonson"], "sn": ["Soriano"],
"mail": ["alfonson@chc.mlb.com"], "title": ["outfielder"]}
resp_str = "%s" % self.server.create_authn_response(
identity=ava,
in_response_to="id2",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
sign_response=True,
name_id_policy=nameid_policy,
userid="also0001@example.com",
authn=AUTHN)
resp_str = b64encode(resp_str.encode())
self.client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id2": "http://foo.example.com/service"})
# Two persons in the cache
assert len(self.client.users.subjects()) == 2
issuers = [self.client.users.issuers_of_info(s) for s in
self.client.users.subjects()]
# The information I have about the subjects comes from the same source
assert issuers == [[IDP], [IDP]]
def test_response_2(self):
conf = config.SPConfig()
conf.load_file("server_conf")
_client = Saml2Client(conf)
idp, ava, ava_verify, nameid_policy = self.setup_verify_authn_response()
cert_str, cert_key_str = generate_cert()
cert = \
{
"cert": cert_str,
"key": cert_key_str
}
self.name_id = self.server.ident.transient_nameid(
"urn:mace:example.com:saml:roland:sp", "id1")
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=self.name_id,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=True,
sign_assertion=True,
encrypt_assertion=False,
encrypt_assertion_self_contained=True,
pefim=True,
encrypt_cert_advice=cert_str
)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = _client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"}, {"id1": cert})
self.verify_authn_response(idp, authn_response, _client, ava_verify)
def test_response_3(self):
conf = config.SPConfig()
conf.load_file("server_conf")
_client = Saml2Client(conf)
idp, ava, ava_verify, nameid_policy = self.setup_verify_authn_response()
self.name_id = self.server.ident.transient_nameid(
"urn:mace:example.com:saml:roland:sp", "id1")
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=self.name_id,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=True,
sign_assertion=True,
encrypt_assertion=False,
encrypt_assertion_self_contained=True,
pefim=True,
)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = _client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"})
self.verify_authn_response(idp, authn_response, _client, ava_verify)
def test_response_4(self):
conf = config.SPConfig()
conf.load_file("server_conf")
_client = Saml2Client(conf)
idp, ava, ava_verify, nameid_policy = self.setup_verify_authn_response()
self.name_id = self.server.ident.transient_nameid(
"urn:mace:example.com:saml:roland:sp", "id1")
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=self.name_id,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=True,
sign_assertion=True,
encrypt_assertion=True,
encrypt_assertion_self_contained=True,
pefim=True,
)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = _client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"})
self.verify_authn_response(idp, authn_response, _client, ava_verify)
def test_response_5(self):
conf = config.SPConfig()
conf.load_file("server_conf")
_client = Saml2Client(conf)
idp, ava, ava_verify, nameid_policy = self.setup_verify_authn_response()
self.name_id = self.server.ident.transient_nameid(
"urn:mace:example.com:saml:roland:sp", "id1")
cert_str, cert_key_str = generate_cert()
cert = \
{
"cert": cert_str,
"key": cert_key_str
}
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=self.name_id,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=True,
sign_assertion=True,
encrypt_assertion=True,
encrypt_assertion_self_contained=True,
pefim=True,
encrypt_cert_assertion=cert_str
)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = _client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"}, {"id1": cert})
self.verify_authn_response(idp, authn_response, _client, ava_verify)
def test_response_6(self):
conf = config.SPConfig()
conf.load_file("server_conf")
_client = Saml2Client(conf)
idp, ava, ava_verify, nameid_policy = self.setup_verify_authn_response()
self.name_id = self.server.ident.transient_nameid(
"urn:mace:example.com:saml:roland:sp", "id1")
cert_assertion_str, cert_key_assertion_str = generate_cert()
cert_assertion = \
{
"cert": cert_assertion_str,
"key": cert_key_assertion_str
}
cert_advice_str, cert_key_advice_str = generate_cert()
cert_advice = \
{
"cert": cert_advice_str,
"key": cert_key_advice_str
}
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=self.name_id,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=True,
sign_assertion=True,
encrypt_assertion=True,
encrypt_assertion_self_contained=True,
pefim=True,
encrypt_cert_assertion=cert_assertion_str,
encrypt_cert_advice=cert_advice_str
)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = _client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"},
{"id1": [cert_assertion, cert_advice]})
self.verify_authn_response(idp, authn_response, _client, ava_verify)
def test_response_7(self):
conf = config.SPConfig()
conf.load_file("server_conf")
_client = Saml2Client(conf)
idp, ava, ava_verify, nameid_policy = self.setup_verify_authn_response()
self.name_id = self.server.ident.transient_nameid(
"urn:mace:example.com:saml:roland:sp", "id1")
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=self.name_id,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=True,
sign_assertion=True,
encrypt_assertion=True,
encrypt_assertion_self_contained=True,
encrypted_advice_attributes=True,
)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = _client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"})
self.verify_authn_response(idp, authn_response, _client, ava_verify)
def test_response_8(self):
conf = config.SPConfig()
conf.load_file("server_conf")
_client = Saml2Client(conf)
idp, ava, ava_verify, nameid_policy = self.setup_verify_authn_response()
self.name_id = self.server.ident.transient_nameid(
"urn:mace:example.com:saml:roland:sp", "id1")
cert_str, cert_key_str = generate_cert()
cert = \
{
"cert": cert_str,
"key": cert_key_str
}
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=self.name_id,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=True,
sign_assertion=True,
encrypt_assertion=True,
encrypt_assertion_self_contained=True,
encrypt_cert_assertion=cert_str
)
resp_str = "%s" % resp
resp_str = b64encode(resp_str.encode())
authn_response = _client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"}, {"id1": cert})
self.verify_authn_response(idp, authn_response, _client, ava_verify)
def test_response_no_name_id(self):
""" Test that the SP client can parse an authentication response
from an IdP that does not contain a <NameID> element."""
conf = config.SPConfig()
conf.load_file("server_conf")
client = Saml2Client(conf)
# Use the same approach as the other tests for mocking up
# an authentication response to parse.
idp, ava, ava_verify, nameid_policy = (
self.setup_verify_authn_response()
)
# Mock up an authentication response but do not encrypt it
# nor sign it since below we will modify it directly. Note that
# setting name_id to None still results in a response that includes
# a <NameID> element.
resp = self.server.create_authn_response(
identity=ava,
in_response_to="id1",
destination="http://lingon.catalogix.se:8087/",
sp_entity_id="urn:mace:example.com:saml:roland:sp",
name_id=None,
userid="foba0001@example.com",
authn=AUTHN,
sign_response=False,
sign_assertion=False,
encrypt_assertion=False,
encrypt_assertion_self_contained=False
)
# The create_authn_response method above will return an instance
# of saml2.samlp.Response when neither encrypting nor signing and
# so we can remove the <NameID> element directly.
resp.assertion.subject.name_id = None
# Assert that the response does not contain a NameID element so that
# the parsing below is a fair test.
assert str(resp).find("NameID") == -1
# Cast the response to a string and encode it to mock up the payload
# the SP client is expected to receive via HTTP POST binding.
resp_str = b64encode(str(resp).encode())
# We do not need the client to verify a signature for this test.
client.want_assertions_signed = False
client.want_response_signed = False
# Parse the authentication response that does not include a <NameID>.
authn_response = client.parse_authn_request_response(
resp_str, BINDING_HTTP_POST,
{"id1": "http://foo.example.com/service"})
# A successful test is parsing the response.
assert authn_response is not None
def setup_verify_authn_response(self):
idp = "urn:mace:example.com:saml:roland:idp"
ava = {"givenName": ["Derek"], "sn": ["Jeter"],
"mail": ["derek@nyy.mlb.com"], "title": ["The man"]}
ava_verify = {'mail': ['derek@nyy.mlb.com'], 'givenName': ['Derek'],
'sn': ['Jeter'], 'title': ["The man"]}
nameid_policy = samlp.NameIDPolicy(allow_create="false",
format=saml.NAMEID_FORMAT_PERSISTENT)
return idp, ava, ava_verify, nameid_policy
def verify_authn_response(self, idp, authn_response, _client, ava_verify):
assert authn_response is not None
assert authn_response.issuer() == idp
assert authn_response.assertion.issuer.text == idp
session_info = authn_response.session_info()
assert session_info["ava"] == ava_verify
assert session_info["issuer"] == idp
assert session_info["came_from"] == "http://foo.example.com/service"
response = samlp.response_from_string(authn_response.xmlstr)
assert response.destination == "http://lingon.catalogix.se:8087/"
# One person in the cache
assert len(_client.users.subjects()) == 1
subject_id = _client.users.subjects()[0]
# The information I have about the subject comes from one source
assert _client.users.issuers_of_info(subject_id) == [idp]
def test_init_values(self):
entityid = self.client.config.entityid
assert entityid == "urn:mace:example.com:saml:roland:sp"
location = self.client._sso_location()
assert location == 'http://localhost:8088/sso'
my_name = self.client._my_name()
assert my_name == "urn:mace:example.com:saml:roland:sp"
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=NAMEID_FORMAT_TRANSIENT)),
attribute_statement=do_attribute_statement(
{
("", "", "sn"): ("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=full_path("test.key"),
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,
self.client.sec.encryption_keypairs[
0]["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 = full_path("test.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
assert seresp.assertion
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", "sn": "Jeter"})
farg = add_path(
{},
['assertion', 'subject', 'subject_confirmation', 'method',
saml.SCM_BEARER])
add_path(
farg['assertion']['subject']['subject_confirmation'],
['subject_confirmation_data', 'in_response_to',
'_012345'])
add_path(
farg['assertion']['subject']['subject_confirmation'],
['subject_confirmation_data', 'recipient',
"http://lingon.catalogix.se:8087/"])
assertion = asser.construct(
self.client.config.entityid,
self.server.config.attribute_converters,
self.server.config.getattr("policy", "idp"),
name_id=factory(saml.NameID, format=NAMEID_FORMAT_TRANSIENT),
issuer=self.server._issuer(),
authn_class=INTERNETPROTOCOLPASSWORD,
authn_auth="http://www.example.com/login",
farg=farg['assertion']
)
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="http://lingon.catalogix.se:8087/",
status=s_utils.success_status_factory(),
issuer=self.server._issuer(),
encrypted_assertion=EncryptedAssertion()