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#!/usr/bin/env python
import os
from saml2 import client
from saml2 import config
from saml2.authn_context import INTERNETPROTOCOLPASSWORD
from saml2.saml import NAMEID_FORMAT_TRANSIENT
from saml2.saml import NameID
from saml2.samlp import response_from_string
from saml2.server import Server
import saml2.xmldsig as ds
nid = NameID(name_qualifier="foo", format=NAMEID_FORMAT_TRANSIENT, text="123456")
AUTHN = {"class_ref": INTERNETPROTOCOLPASSWORD, "authn_auth": "http://www.example.com/login"}
def _eq(l1, l2):
return set(l1) == set(l2)
BASEDIR = os.path.abspath(os.path.dirname(__file__))
def get_ava(assertion):
ava = {}
for statement in assertion.attribute_statement:
for attr in statement.attribute:
value = []
for tmp_val in attr.attribute_value:
value.append(tmp_val.text)
key = attr.friendly_name
if key is None or len(key) == 0:
key = attr.text
ava[key] = value
return ava
class TestSignedResponse:
def setup_class(self):
self.server = Server("idp_conf")
conf = config.SPConfig()
conf.load_file("server_conf")
self.client = client.Saml2Client(conf)
self.name_id = self.server.ident.transient_nameid("urn:mace:example.com:saml:roland:sp", "id12")
self.ava = {"givenName": ["Derek"], "surName": ["Jeter"], "mail": ["derek@nyy.mlb.com"], "title": "The man"}
def teardown_class(self):
self.server.close()
def verify_assertion(self, assertion):
assert assertion
assert assertion[0].attribute_statement
ava = ava = get_ava(assertion[0])
assert ava == {
"mail": ["derek@nyy.mlb.com"],
"givenName": ["Derek"],
"surName": ["Jeter"],
"title": ["The man"],
}
def test_signed_response(self):
print(ds.DefaultSignature().get_digest_alg())
name_id = self.server.ident.transient_nameid("urn:mace:example.com:saml:roland:sp", "id12")
ava = {"givenName": ["Derek"], "surName": ["Jeter"], "mail": ["derek@nyy.mlb.com"], "title": "The man"}
signed_resp = self.server.create_authn_response(
ava,
"id12", # in_response_to
"http://lingon.catalogix.se:8087/", # consumer_url
"urn:mace:example.com:saml:roland:sp", # sp_entity_id
name_id=name_id,
sign_assertion=True,
)
print(signed_resp)
assert signed_resp
sresponse = response_from_string(signed_resp)
assert ds.SIG_RSA_SHA1 in str(sresponse), "Not correctly signed!"
assert ds.DIGEST_SHA1 in str(sresponse), "Not correctly signed!"
def test_signed_response_1(self):
signed_resp = self.server.create_authn_response(
self.ava,
"id12", # in_response_to
"http://lingon.catalogix.se:8087/", # consumer_url
"urn:mace:example.com:saml:roland:sp", # sp_entity_id
name_id=self.name_id,
sign_response=True,
sign_assertion=True,
)
sresponse = response_from_string(signed_resp)
assert ds.SIG_RSA_SHA1 in str(sresponse), "Not correctly signed!"
assert ds.DIGEST_SHA1 in str(sresponse), "Not correctly signed!"
valid = self.server.sec.verify_signature(
signed_resp,
self.server.config.cert_file,
node_name="urn:oasis:names:tc:SAML:2.0:protocol:Response",
node_id=sresponse.id,
)
assert valid
assert ds.SIG_RSA_SHA1 in str(sresponse.assertion[0]), "Not correctly signed!"
assert ds.DIGEST_SHA1 in str(sresponse.assertion[0]), "Not correctly signed!"
valid = self.server.sec.verify_signature(
signed_resp,
self.server.config.cert_file,
node_name="urn:oasis:names:tc:SAML:2.0:assertion:Assertion",
node_id=sresponse.assertion[0].id,
)
assert valid
self.verify_assertion(sresponse.assertion)
def test_signed_response_2(self):
signed_resp = self.server.create_authn_response(
self.ava,
"id12", # in_response_to
"http://lingon.catalogix.se:8087/", # consumer_url
"urn:mace:example.com:saml:roland:sp", # sp_entity_id
name_id=self.name_id,
sign_response=True,
sign_assertion=True,
sign_alg=ds.SIG_RSA_SHA256,
digest_alg=ds.DIGEST_SHA256,
)
sresponse = response_from_string(signed_resp)
assert ds.SIG_RSA_SHA256 in str(sresponse), "Not correctly signed!"
assert ds.DIGEST_SHA256 in str(sresponse), "Not correctly signed!"
valid = self.server.sec.verify_signature(
signed_resp,
self.server.config.cert_file,
node_name="urn:oasis:names:tc:SAML:2.0:protocol:Response",
node_id=sresponse.id,
)
assert valid
assert ds.SIG_RSA_SHA256 in str(sresponse.assertion[0]), "Not correctly signed!"
assert ds.DIGEST_SHA256 in str(sresponse.assertion[0]), "Not correctly signed!"
valid = self.server.sec.verify_signature(
signed_resp,
self.server.config.cert_file,
node_name="urn:oasis:names:tc:SAML:2.0:assertion:Assertion",
node_id=sresponse.assertion[0].id,
)
assert valid
self.verify_assertion(sresponse.assertion)
if __name__ == "__main__":
ts = TestSignedResponse()
ts.setup_class()
ts.test_signed_response()
ts.test_signed_response_1()
ts.test_signed_response_2()
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