Exemplo n.º 1
0
class TestProvider(object):
    @pytest.fixture(autouse=True)
    def create_provider(self):
        self.provider = Provider(SERVER_INFO["issuer"],
                                 SessionDB(SERVER_INFO["issuer"]),
                                 CDB,
                                 AUTHN_BROKER,
                                 USERINFO,
                                 AUTHZ,
                                 verify_client,
                                 SYMKEY,
                                 urlmap=URLMAP,
                                 keyjar=KEYJAR)
        self.provider.baseurl = self.provider.name

        self.cons = Consumer(
            {},
            CONSUMER_CONFIG,
            CLIENT_CONFIG,
            server_info=SERVER_INFO,
        )
        self.cons.behaviour = {
            "request_object_signing_alg": DEF_SIGN_ALG["openid_request_object"]
        }
        self.cons.keyjar[""] = KC_RSA

    def test_authorization_endpoint(self):
        bib = {
            "scope": ["openid"],
            "state": "id-6da9ca0cc23959f5f33e8becd9b08cae",
            "redirect_uri": "http://*****:*****@patch('oic.oic.provider.utc_time_sans_frac', Mock(return_value=123456))
    def test_client_secret_expiration_time(self):
        exp_time = self.provider.client_secret_expiration_time()
        assert exp_time == 209856

    def test_registration_endpoint(self):
        req = RegistrationRequest()

        req["application_type"] = "web"
        req["client_name"] = "My super service"
        req["redirect_uris"] = ["http://example.com/authz"]
        req["contacts"] = ["*****@*****.**"]
        req["response_types"] = ["code"]

        resp = self.provider.registration_endpoint(request=req.to_json())

        regresp = RegistrationResponse().deserialize(resp.message, "json")
        assert _eq(regresp.keys(), [
            'redirect_uris', 'contacts', 'application_type', 'client_name',
            'registration_client_uri', 'client_secret_expires_at',
            'registration_access_token', 'client_id', 'client_secret',
            'client_id_issued_at', 'response_types'
        ])

    def test_registration_endpoint_with_non_https_redirect_uri_implicit_flow(
            self):
        params = {
            "application_type": "web",
            "redirect_uris": ["http://example.com/authz"],
            "response_types": ["id_token", "token"]
        }
        req = RegistrationRequest(**params)
        resp = self.provider.registration_endpoint(request=req.to_json())

        assert resp.status == "400 Bad Request"
        error = json.loads(resp.message)
        assert error["error"] == "invalid_redirect_uri"

    def test_verify_redirect_uris_with_https_code_flow(self):
        params = {
            "application_type": "web",
            "redirect_uris": ["http://example.com/authz"],
            "response_types": ["code"]
        }
        request = RegistrationRequest(**params)
        verified_uris = self.provider.verify_redirect_uris(request)
        assert verified_uris == [("http://example.com/authz", None)]

    def test_verify_redirect_uris_with_non_https_redirect_uri_implicit_flow(
            self):
        params = {
            "application_type": "web",
            "redirect_uris": ["http://example.com/authz"],
            "response_types": ["id_token", "token"]
        }
        request = RegistrationRequest(**params)

        with pytest.raises(InvalidRedirectURIError) as exc_info:
            self.provider.verify_redirect_uris(request)

        assert str(exc_info.value) == "None https redirect_uri not allowed"

    # @pytest.mark.network
    # def test_registration_endpoint_openid4us(self):
    #     req = RegistrationRequest(
    #             **{'token_endpoint_auth_method': u'client_secret_post',
    #                'redirect_uris': [
    #                    u'https://connect.openid4.us:5443/phpRp/index.php'
    #                    u'/callback',
    #                    u'https://connect.openid4.us:5443/phpRp/authcheck.php'
    #                    u'/authcheckcb'],
    #                'jwks_uri':
    #                    u'https://connect.openid4.us:5443/phpRp/rp/rp.jwk',
    #                'userinfo_encrypted_response_alg': u'RSA1_5',
    #                'contacts': [u'*****@*****.**'],
    #                'userinfo_encrypted_response_enc': u'A128CBC-HS256',
    #                'application_type': u'web',
    #                'client_name': u'ABRP-17',
    #                'grant_types': [u'authorization_code', u'implicit'],
    #                'post_logout_redirect_uris': [
    #                    u'https://connect.openid4.us:5443/phpRp/index.php'
    #                    u'/logoutcb'],
    #                'subject_type': u'public',
    #                'response_types': [u'code', u'token', u'id_token',
    #                                   u'code token',
    #                                   u'code id_token', u'id_token token',
    #                                   u'code id_token token'],
    #                'policy_uri':
    #                    u'https://connect.openid4.us:5443/phpRp/index.php'
    #                    u'/policy',
    #                'logo_uri':
    #                    u'https://connect.openid4.us:5443/phpRp/media/logo.png'})
    #
    #     resp = self.provider.registration_endpoint(request=req.to_json())
    #
    #     regresp = RegistrationResponse().deserialize(resp.message, "json")
    #     assert _eq(regresp.keys(), list(req.keys()) +
    #                ['registration_client_uri',
    #                 'client_secret_expires_at',
    #                 'registration_access_token',
    #                 'client_id', 'client_secret',
    #                 'client_id_issued_at'])

    def test_provider_key_setup(self, tmpdir):
        path = tmpdir.strpath
        provider = Provider("pyoicserv", SessionDB(SERVER_INFO["issuer"]),
                            None, None, None, None, None, "")
        provider.baseurl = "http://www.example.com"
        provider.key_setup(path, path, sig={"format": "jwk", "alg": "RSA"})

        keys = provider.keyjar.get_signing_key("RSA")
        assert len(keys) == 1
        assert provider.jwks_uri == "http://www.example.com/{}/jwks".format(
            path)

    @pytest.mark.parametrize("uri", [
        "http://example.org/foo", "http://example.com/cb",
        "http://example.org/cb?got=you", "http://example.org/cb/foo?got=you"
    ])
    def test_verify_redirect_uri_faulty_without_query(self, uri):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=["http://example.org/cb"],
                                 response_types=["code"])
        registration_req = rr.to_json()

        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(redirect_uri=uri,
                                    client_id=cid,
                                    response_type="code",
                                    scope="openid")

        with pytest.raises(RedirectURIError):
            self.provider._verify_redirect_uri(areq)

    @pytest.mark.parametrize("uri", [
        "http://example.org/cb",
    ])
    def test_verify_redirect_uri_correct_without_query(self, uri):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=["http://example.org/cb"],
                                 response_types=["code"])
        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(redirect_uri=uri,
                                    client_id=cid,
                                    response_type="code",
                                    scope="openid")

        self.provider._verify_redirect_uri(areq)

    @pytest.mark.parametrize("uri", [
        "http://example.org/cb", "http://example.org/cb?got=you",
        "http://example.org/cb?foo=you"
        "http://example.org/cb?foo=bar&got=you",
        "http://example.org/cb?foo=you&foo=bar"
    ])
    def test_registered_redirect_uri_faulty_with_query_component(self, uri):
        rr = RegistrationRequest(
            operation="register",
            redirect_uris=["http://example.org/cb?foo=bar"],
            response_types=["code"])

        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(redirect_uri=uri,
                                    client_id=cid,
                                    scope="openid",
                                    response_type="code")

        with pytest.raises(RedirectURIError):
            self.provider._verify_redirect_uri(areq)

    def test_registered_redirect_uri_correct_with_query_component(self):
        rr = RegistrationRequest(
            operation="register",
            redirect_uris=["http://example.org/cb?foo=bar"],
            response_types=["code"])

        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(
            redirect_uri="http://example.org/cb?foo=bar",
            client_id=cid,
            scope="openid",
            response_type="code")

        self.provider._verify_redirect_uri(areq)

    def test_read_registration(self):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=["http://example.org/new"],
                                 response_types=["code"])
        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)

        authn = ' '.join(['Bearer', regresp['registration_access_token']])
        query = '='.join(['client_id', regresp['client_id']])
        resp = self.provider.read_registration(authn, query)

        assert json.loads(resp.message) == regresp.to_dict()

    def test_read_registration_wrong_authn(self):
        resp = self.provider.read_registration('wrong string', 'request')
        assert resp.status == '400 Bad Request'
        assert json.loads(resp.message) == {
            'error': 'invalid_request',
            'error_description': None
        }

    def test_key_rollover(self):
        provider2 = Provider("FOOP", {}, {}, None, None, None, None, "")
        provider2.keyjar = KEYJAR
        # Number of KeyBundles
        assert len(provider2.keyjar.issuer_keys[""]) == 1
        kb = ec_init({"type": "EC", "crv": "P-256", "use": ["sig"]})
        provider2.do_key_rollover(json.loads(kb.jwks()), "b%d")
        assert len(provider2.keyjar.issuer_keys[""]) == 2
        kb = ec_init({"type": "EC", "crv": "P-256", "use": ["sig"]})
        provider2.do_key_rollover(json.loads(kb.jwks()), "b%d")
        assert len(provider2.keyjar.issuer_keys[""]) == 3
        provider2.remove_inactive_keys(-1)
        assert len(provider2.keyjar.issuer_keys[""]) == 2

    def test_endsession_endpoint(self):
        resp = self.provider.endsession_endpoint("")
        self._assert_cookies_expired(resp.headers)

        # End session not allowed if no cookie is sent (can't determine session)
        resp = self.provider.endsession_endpoint("", cookie="FAIL")
        assert resp.status == "400 Bad Request"

    def test_endsession_endpoint_with_id_token_hint(self):
        id_token = self._auth_with_id_token()
        assert self.provider.sdb.get_sids_by_sub(
            id_token["sub"])  # verify we got valid session

        id_token_hint = id_token.to_jwt(algorithm="none")
        resp = self.provider.endsession_endpoint(
            urlencode({"id_token_hint": id_token_hint}))
        assert not self.provider.sdb.get_sids_by_sub(
            id_token["sub"])  # verify session has been removed
        self._assert_cookies_expired(resp.headers)

    def test_endsession_endpoint_with_post_logout_redirect_uri(self):
        id_token = self._auth_with_id_token()
        assert self.provider.sdb.get_sids_by_sub(
            id_token["sub"])  # verify we got valid session

        post_logout_redirect_uri = \
            CDB[CLIENT_CONFIG["client_id"]]["post_logout_redirect_uris"][0][0]
        resp = self.provider.endsession_endpoint(
            urlencode({"post_logout_redirect_uri": post_logout_redirect_uri}))
        assert isinstance(resp, SeeOther)
        assert not self.provider.sdb.get_sids_by_sub(
            id_token["sub"])  # verify session has been removed
        self._assert_cookies_expired(resp.headers)

    def test_session_state_in_auth_req_for_session_support(self):
        provider = Provider(SERVER_INFO["issuer"],
                            SessionDB(SERVER_INFO["issuer"]),
                            CDB,
                            AUTHN_BROKER,
                            USERINFO,
                            AUTHZ,
                            verify_client,
                            SYMKEY,
                            urlmap=URLMAP,
                            keyjar=KEYJAR)

        provider.capabilities.update(
            {"check_session_iframe": "https://op.example.com/check_session"})

        req_args = {
            "scope": ["openid"],
            "redirect_uri": "http://localhost:8087/authz",
            "response_type": ["code"],
            "client_id": "number5"
        }
        areq = AuthorizationRequest(**req_args)
        resp = provider.authorization_endpoint(request=areq.to_urlencoded())
        aresp = self.cons.parse_response(AuthorizationResponse,
                                         resp.message,
                                         sformat="urlencoded")
        assert "session_state" in aresp

    def _assert_cookies_expired(self, http_headers):
        cookies_string = ";".join(
            [c[1] for c in http_headers if c[0] == "Set-Cookie"])
        all_cookies = SimpleCookie()

        try:
            cookies_string = cookies_string.decode()
        except (AttributeError, UnicodeDecodeError):
            pass

        all_cookies.load(cookies_string)

        now = datetime.datetime.utcnow()  #
        for c in [
                self.provider.cookie_name, self.provider.session_cookie_name
        ]:
            dt = datetime.datetime.strptime(all_cookies[c]["expires"],
                                            "%a, %d-%b-%Y %H:%M:%S GMT")
            assert dt < now  # make sure the cookies have expired to be cleared

    def _auth_with_id_token(self):
        state, location = self.cons.begin("openid",
                                          "id_token",
                                          path="http://localhost:8087")
        resp = self.provider.authorization_endpoint(
            request=location.split("?")[1])
        aresp = self.cons.parse_response(AuthorizationResponse,
                                         resp.message,
                                         sformat="urlencoded")
        return aresp["id_token"]

    def test_id_token_RS512_sign(self):
        self.provider.capabilities['id_token_signing_alg_values_supported'] = [
            'RS512'
        ]
        self.provider.build_jwx_def()
        id_token = self._auth_with_id_token()
        assert id_token.jws_header['alg'] == "RS512"
Exemplo n.º 2
0
class TestProvider(object):
    @pytest.fixture(autouse=True)
    def create_provider(self):
        self.provider = Provider(SERVER_INFO["issuer"], SessionDB(SERVER_INFO["issuer"]),
                                 CDB,
                                 AUTHN_BROKER, USERINFO,
                                 AUTHZ, verify_client, SYMKEY, urlmap=URLMAP,
                                 keyjar=KEYJAR)
        self.provider.baseurl = self.provider.name

        self.cons = Consumer({}, CONSUMER_CONFIG, CLIENT_CONFIG,
                             server_info=SERVER_INFO, )
        self.cons.behaviour = {
            "request_object_signing_alg": DEF_SIGN_ALG["openid_request_object"]}
        self.cons.keyjar[""] = KC_RSA

    def test_authorization_endpoint(self):
        bib = {"scope": ["openid"],
               "state": "id-6da9ca0cc23959f5f33e8becd9b08cae",
               "redirect_uri": "http://*****:*****@example.com"]
        req["response_types"] = ["code"]

        resp = self.provider.registration_endpoint(request=req.to_json())

        regresp = RegistrationResponse().deserialize(resp.message, "json")
        assert _eq(regresp.keys(),
                   ['redirect_uris', 'contacts', 'application_type',
                    'client_name', 'registration_client_uri',
                    'client_secret_expires_at',
                    'registration_access_token',
                    'client_id', 'client_secret',
                    'client_id_issued_at', 'response_types'])

    def test_registration_endpoint_with_non_https_redirect_uri_implicit_flow(
            self):
        params = {"application_type": "web",
                  "redirect_uris": ["http://example.com/authz"],
                  "response_types": ["id_token", "token"]}
        req = RegistrationRequest(**params)
        resp = self.provider.registration_endpoint(request=req.to_json())

        assert resp.status == "400 Bad Request"
        error = json.loads(resp.message)
        assert error["error"] == "invalid_redirect_uri"

    def test_verify_redirect_uris_with_https_code_flow(self):
        params = {"application_type": "web",
                  "redirect_uris": ["http://example.com/authz"],
                  "response_types": ["code"]}
        request = RegistrationRequest(**params)
        verified_uris = self.provider._verify_redirect_uris(request)
        assert verified_uris == [("http://example.com/authz", None)]

    def test_verify_redirect_uris_with_non_https_redirect_uri_implicit_flow(
            self):
        params = {"application_type": "web",
                  "redirect_uris": ["http://example.com/authz"],
                  "response_types": ["id_token", "token"]}
        request = RegistrationRequest(**params)

        with pytest.raises(InvalidRedirectURIError) as exc_info:
            self.provider._verify_redirect_uris(request)

        assert str(exc_info.value) == "None https redirect_uri not allowed"

    # @pytest.mark.network
    # def test_registration_endpoint_openid4us(self):
    #     req = RegistrationRequest(
    #             **{'token_endpoint_auth_method': u'client_secret_post',
    #                'redirect_uris': [
    #                    u'https://connect.openid4.us:5443/phpRp/index.php'
    #                    u'/callback',
    #                    u'https://connect.openid4.us:5443/phpRp/authcheck.php'
    #                    u'/authcheckcb'],
    #                'jwks_uri':
    #                    u'https://connect.openid4.us:5443/phpRp/rp/rp.jwk',
    #                'userinfo_encrypted_response_alg': u'RSA1_5',
    #                'contacts': [u'*****@*****.**'],
    #                'userinfo_encrypted_response_enc': u'A128CBC-HS256',
    #                'application_type': u'web',
    #                'client_name': u'ABRP-17',
    #                'grant_types': [u'authorization_code', u'implicit'],
    #                'post_logout_redirect_uris': [
    #                    u'https://connect.openid4.us:5443/phpRp/index.php'
    #                    u'/logoutcb'],
    #                'subject_type': u'public',
    #                'response_types': [u'code', u'token', u'id_token',
    #                                   u'code token',
    #                                   u'code id_token', u'id_token token',
    #                                   u'code id_token token'],
    #                'policy_uri':
    #                    u'https://connect.openid4.us:5443/phpRp/index.php'
    #                    u'/policy',
    #                'logo_uri':
    #                    u'https://connect.openid4.us:5443/phpRp/media/logo.png'})
    #
    #     resp = self.provider.registration_endpoint(request=req.to_json())
    #
    #     regresp = RegistrationResponse().deserialize(resp.message, "json")
    #     assert _eq(regresp.keys(), list(req.keys()) +
    #                ['registration_client_uri',
    #                 'client_secret_expires_at',
    #                 'registration_access_token',
    #                 'client_id', 'client_secret',
    #                 'client_id_issued_at'])

    def test_provider_key_setup(self, tmpdir):
        path = tmpdir.strpath
        provider = Provider("pyoicserv", SessionDB(SERVER_INFO["issuer"]), None,
                            None, None, None, None, "")
        provider.baseurl = "http://www.example.com"
        provider.key_setup(path, path, sig={"format": "jwk", "alg": "RSA"})

        keys = provider.keyjar.get_signing_key("RSA")
        assert len(keys) == 1
        assert provider.jwks_uri == "http://www.example.com/{}/jwks".format(
                path)

    @pytest.mark.parametrize("uri", [
        "http://example.org/foo",
        "http://example.com/cb",
        "http://example.org/cb?got=you",
        "http://example.org/cb/foo?got=you"
    ])
    def test_verify_redirect_uri_faulty_without_query(self, uri):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=["http://example.org/cb"],
                                 response_types=["code"])
        registration_req = rr.to_json()

        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(redirect_uri=uri,
                                    client_id=cid,
                                    response_type="code",
                                    scope="openid")

        with pytest.raises(RedirectURIError):
            self.provider._verify_redirect_uri(areq)

    @pytest.mark.parametrize("uri", [
        "http://example.org/cb",
        "http://example.org/cb/foo"
    ])
    def test_verify_redirect_uri_correct_without_query(self, uri):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=["http://example.org/cb"],
                                 response_types=["code"])
        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(redirect_uri=uri,
                                    client_id=cid,
                                    response_type="code",
                                    scope="openid")

        self.provider._verify_redirect_uri(areq)

    @pytest.mark.parametrize("uri", [
        "http://example.org/cb",
        "http://example.org/cb/foo",
        "http://example.org/cb?got=you",
        "http://example.org/cb?foo=you"
        "http://example.org/cb?foo=bar&got=you",
        "http://example.org/cb?foo=you&foo=bar"
    ])
    def test_registered_redirect_uri_faulty_with_query_component(self, uri):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=[
                                     "http://example.org/cb?foo=bar"],
                                 response_types=["code"])

        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(redirect_uri=uri,
                                    client_id=cid,
                                    scope="openid",
                                    response_type="code")

        with pytest.raises(RedirectURIError):
            self.provider._verify_redirect_uri(areq)

    def test_registered_redirect_uri_correct_with_query_component(self):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=[
                                     "http://example.org/cb?foo=bar"],
                                 response_types=["code"])

        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)
        cid = regresp["client_id"]

        areq = AuthorizationRequest(
                redirect_uri="http://example.org/cb?foo=bar",
                client_id=cid, scope="openid",
                response_type="code")

        self.provider._verify_redirect_uri(areq)

    def test_read_registration(self):
        rr = RegistrationRequest(operation="register",
                                 redirect_uris=[
                                     "http://example.org/new"],
                                 response_types=["code"])
        registration_req = rr.to_json()
        resp = self.provider.registration_endpoint(request=registration_req)
        regresp = RegistrationResponse().from_json(resp.message)

        authn = ' '.join(['Bearer', regresp['registration_access_token']])
        query = '='.join(['client_id', regresp['client_id']])
        resp = self.provider.read_registration(authn, query)

        assert json.loads(resp.message) == regresp.to_dict()

    def test_read_registration_wrong_authn(self):
        resp = self.provider.read_registration('wrong string', 'request')
        assert resp.status == '400 Bad Request'
        assert json.loads(resp.message) == {'error': 'invalid_request',
                                            'error_description': None}

    def test_key_rollover(self):
        provider2 = Provider("FOOP", {}, {}, None, None, None, None, "")
        provider2.keyjar = KEYJAR
        # Number of KeyBundles
        assert len(provider2.keyjar.issuer_keys[""]) == 1
        kb = ec_init({"type": "EC", "crv": "P-256", "use": ["sig"]})
        provider2.do_key_rollover(json.loads(kb.jwks()), "b%d")
        assert len(provider2.keyjar.issuer_keys[""]) == 2
        kb = ec_init({"type": "EC", "crv": "P-256", "use": ["sig"]})
        provider2.do_key_rollover(json.loads(kb.jwks()), "b%d")
        assert len(provider2.keyjar.issuer_keys[""]) == 3
        provider2.remove_inactive_keys(-1)
        assert len(provider2.keyjar.issuer_keys[""]) == 2

    def test_endsession_endpoint(self):
        resp = self.provider.endsession_endpoint("")
        self._assert_cookies_expired(resp.headers)

        # End session not allowed if no cookie is sent (can't determine session)
        resp = self.provider.endsession_endpoint("", cookie="FAIL")
        assert resp.status == "400 Bad Request"

    def test_endsession_endpoint_with_id_token_hint(self):
        id_token = self._auth_with_id_token()
        assert self.provider.sdb.get_sids_by_sub(
                id_token["sub"])  # verify we got valid session

        id_token_hint = id_token.to_jwt(algorithm="none")
        resp = self.provider.endsession_endpoint(
                urlencode({"id_token_hint": id_token_hint}))
        assert not self.provider.sdb.get_sids_by_sub(
                id_token["sub"])  # verify session has been removed
        self._assert_cookies_expired(resp.headers)

    def test_endsession_endpoint_with_post_logout_redirect_uri(self):
        id_token = self._auth_with_id_token()
        assert self.provider.sdb.get_sids_by_sub(
                id_token["sub"])  # verify we got valid session

        post_logout_redirect_uri = \
            CDB[CLIENT_CONFIG["client_id"]]["post_logout_redirect_uris"][0][0]
        resp = self.provider.endsession_endpoint(urlencode(
                {"post_logout_redirect_uri": post_logout_redirect_uri}))
        assert isinstance(resp, SeeOther)
        assert not self.provider.sdb.get_sids_by_sub(
                id_token["sub"])  # verify session has been removed
        self._assert_cookies_expired(resp.headers)

    def test_session_state_in_auth_req_for_session_support(self):
        provider = Provider(SERVER_INFO["issuer"], SessionDB(SERVER_INFO["issuer"]), CDB,
                            AUTHN_BROKER, USERINFO,
                            AUTHZ, verify_client, SYMKEY, urlmap=URLMAP,
                            keyjar=KEYJAR)

        provider.capabilities.update({
                "check_session_iframe": "https://op.example.com/check_session"})

        req_args = {"scope": ["openid"],
                    "redirect_uri": "http://localhost:8087/authz",
                    "response_type": ["code"],
                    "client_id": "number5"
                    }
        areq = AuthorizationRequest(**req_args)
        resp = provider.authorization_endpoint(
                request=areq.to_urlencoded())
        aresp = self.cons.parse_response(AuthorizationResponse, resp.message,
                                         sformat="urlencoded")
        assert "session_state" in aresp

    def _assert_cookies_expired(self, http_headers):
        cookies_string = ";".join(
                [c[1] for c in http_headers if c[0] == "Set-Cookie"])
        all_cookies = SimpleCookie()

        try:
            cookies_string = cookies_string.decode()
        except (AttributeError, UnicodeDecodeError):
            pass

        all_cookies.load(cookies_string)

        now = datetime.datetime.utcnow()  #
        for c in [self.provider.cookie_name, self.provider.session_cookie_name]:
            dt = datetime.datetime.strptime(all_cookies[c]["expires"],
                                            "%a, %d-%b-%Y %H:%M:%S GMT")
            assert dt < now  # make sure the cookies have expired to be cleared

    def _auth_with_id_token(self):
        state, location = self.cons.begin("openid", "id_token",
                                          path="http://localhost:8087")
        resp = self.provider.authorization_endpoint(
                request=location.split("?")[1])
        aresp = self.cons.parse_response(AuthorizationResponse, resp.message,
                                         sformat="urlencoded")
        return aresp["id_token"]

    def test_id_token_RS512_sign(self):
        self.provider.capabilities[
            'id_token_signing_alg_values_supported'] = ['RS512']
        self.provider.build_jwx_def()
        id_token = self._auth_with_id_token()
        assert id_token.jws_header['alg'] == "RS512"