# -*- coding: utf-8 -*- # Copyright 2015 - 2016 OpenMarket Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from mock import Mock import pymacaroons from twisted.internet import defer import synapse.handlers.auth from synapse.api.auth import Auth from synapse.api.errors import AuthError, Codes, ResourceLimitError from synapse.types import UserID from tests import unittest from tests.utils import mock_getRawHeaders, setup_test_homeserver class TestHandlers(object): def __init__(self, hs): self.auth_handler = synapse.handlers.auth.AuthHandler(hs) class AuthTestCase(unittest.TestCase): @defer.inlineCallbacks def setUp(self): self.state_handler = Mock() self.store = Mock() self.hs = yield setup_test_homeserver(self.addCleanup, handlers=None) self.hs.get_datastore = Mock(return_value=self.store) self.hs.handlers = TestHandlers(self.hs) self.auth = Auth(self.hs) self.test_user = "@foo:bar" self.test_token = b"_test_token_" # this is overridden for the appservice tests self.store.get_app_service_by_token = Mock(return_value=None) @defer.inlineCallbacks def test_get_user_by_req_user_valid_token(self): user_info = {"name": self.test_user, "token_id": "ditto", "device_id": "device"} self.store.get_user_by_access_token = Mock(return_value=user_info) request = Mock(args={}) request.args[b"access_token"] = [self.test_token] request.requestHeaders.getRawHeaders = mock_getRawHeaders() requester = yield self.auth.get_user_by_req(request) self.assertEquals(requester.user.to_string(), self.test_user) def test_get_user_by_req_user_bad_token(self): self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.args[b"access_token"] = [self.test_token] request.requestHeaders.getRawHeaders = mock_getRawHeaders() d = self.auth.get_user_by_req(request) self.failureResultOf(d, AuthError) def test_get_user_by_req_user_missing_token(self): user_info = {"name": self.test_user, "token_id": "ditto"} self.store.get_user_by_access_token = Mock(return_value=user_info) request = Mock(args={}) request.requestHeaders.getRawHeaders = mock_getRawHeaders() d = self.auth.get_user_by_req(request) self.failureResultOf(d, AuthError) @defer.inlineCallbacks def test_get_user_by_req_appservice_valid_token(self): app_service = Mock( token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None ) self.store.get_app_service_by_token = Mock(return_value=app_service) self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.getClientIP.return_value = "127.0.0.1" request.args[b"access_token"] = [self.test_token] request.requestHeaders.getRawHeaders = mock_getRawHeaders() requester = yield self.auth.get_user_by_req(request) self.assertEquals(requester.user.to_string(), self.test_user) @defer.inlineCallbacks def test_get_user_by_req_appservice_valid_token_good_ip(self): from netaddr import IPSet app_service = Mock( token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=IPSet(["192.168/16"]), ) self.store.get_app_service_by_token = Mock(return_value=app_service) self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.getClientIP.return_value = "192.168.10.10" request.args[b"access_token"] = [self.test_token] request.requestHeaders.getRawHeaders = mock_getRawHeaders() requester = yield self.auth.get_user_by_req(request) self.assertEquals(requester.user.to_string(), self.test_user) def test_get_user_by_req_appservice_valid_token_bad_ip(self): from netaddr import IPSet app_service = Mock( token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=IPSet(["192.168/16"]), ) self.store.get_app_service_by_token = Mock(return_value=app_service) self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.getClientIP.return_value = "131.111.8.42" request.args[b"access_token"] = [self.test_token] request.requestHeaders.getRawHeaders = mock_getRawHeaders() d = self.auth.get_user_by_req(request) self.failureResultOf(d, AuthError) def test_get_user_by_req_appservice_bad_token(self): self.store.get_app_service_by_token = Mock(return_value=None) self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.args[b"access_token"] = [self.test_token] request.requestHeaders.getRawHeaders = mock_getRawHeaders() d = self.auth.get_user_by_req(request) self.failureResultOf(d, AuthError) def test_get_user_by_req_appservice_missing_token(self): app_service = Mock(token="foobar", url="a_url", sender=self.test_user) self.store.get_app_service_by_token = Mock(return_value=app_service) self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.requestHeaders.getRawHeaders = mock_getRawHeaders() d = self.auth.get_user_by_req(request) self.failureResultOf(d, AuthError) @defer.inlineCallbacks def test_get_user_by_req_appservice_valid_token_valid_user_id(self): masquerading_user_id = b"@doppelganger:matrix.org" app_service = Mock( token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None ) app_service.is_interested_in_user = Mock(return_value=True) self.store.get_app_service_by_token = Mock(return_value=app_service) self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.getClientIP.return_value = "127.0.0.1" request.args[b"access_token"] = [self.test_token] request.args[b"user_id"] = [masquerading_user_id] request.requestHeaders.getRawHeaders = mock_getRawHeaders() requester = yield self.auth.get_user_by_req(request) self.assertEquals( requester.user.to_string(), masquerading_user_id.decode('utf8') ) def test_get_user_by_req_appservice_valid_token_bad_user_id(self): masquerading_user_id = b"@doppelganger:matrix.org" app_service = Mock( token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None ) app_service.is_interested_in_user = Mock(return_value=False) self.store.get_app_service_by_token = Mock(return_value=app_service) self.store.get_user_by_access_token = Mock(return_value=None) request = Mock(args={}) request.getClientIP.return_value = "127.0.0.1" request.args[b"access_token"] = [self.test_token] request.args[b"user_id"] = [masquerading_user_id] request.requestHeaders.getRawHeaders = mock_getRawHeaders() d = self.auth.get_user_by_req(request) self.failureResultOf(d, AuthError) @defer.inlineCallbacks def test_get_user_from_macaroon(self): # TODO(danielwh): Remove this mock when we remove the # get_user_by_access_token fallback. self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org", "device_id": "device"} ) user_id = "@baldrick:matrix.org" macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key, ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") macaroon.add_first_party_caveat("user_id = %s" % (user_id,)) user_info = yield self.auth.get_user_by_access_token(macaroon.serialize()) user = user_info["user"] self.assertEqual(UserID.from_string(user_id), user) # TODO: device_id should come from the macaroon, but currently comes # from the db. self.assertEqual(user_info["device_id"], "device") @defer.inlineCallbacks def test_get_guest_user_from_macaroon(self): self.store.get_user_by_id = Mock(return_value={"is_guest": True}) user_id = "@baldrick:matrix.org" macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key, ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") macaroon.add_first_party_caveat("user_id = %s" % (user_id,)) macaroon.add_first_party_caveat("guest = true") serialized = macaroon.serialize() user_info = yield self.auth.get_user_by_access_token(serialized) user = user_info["user"] is_guest = user_info["is_guest"] self.assertEqual(UserID.from_string(user_id), user) self.assertTrue(is_guest) self.store.get_user_by_id.assert_called_with(user_id) @defer.inlineCallbacks def test_get_user_from_macaroon_user_db_mismatch(self): self.store.get_user_by_access_token = Mock( return_value={"name": "@percy:matrix.org"} ) user = "@baldrick:matrix.org" macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key, ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") macaroon.add_first_party_caveat("user_id = %s" % (user,)) with self.assertRaises(AuthError) as cm: yield self.auth.get_user_by_access_token(macaroon.serialize()) self.assertEqual(401, cm.exception.code) self.assertIn("User mismatch", cm.exception.msg) @defer.inlineCallbacks def test_get_user_from_macaroon_missing_caveat(self): # TODO(danielwh): Remove this mock when we remove the # get_user_by_access_token fallback. self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org"} ) macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key, ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") with self.assertRaises(AuthError) as cm: yield self.auth.get_user_by_access_token(macaroon.serialize()) self.assertEqual(401, cm.exception.code) self.assertIn("No user caveat", cm.exception.msg) @defer.inlineCallbacks def test_get_user_from_macaroon_wrong_key(self): # TODO(danielwh): Remove this mock when we remove the # get_user_by_access_token fallback. self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org"} ) user = "@baldrick:matrix.org" macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key + "wrong", ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") macaroon.add_first_party_caveat("user_id = %s" % (user,)) with self.assertRaises(AuthError) as cm: yield self.auth.get_user_by_access_token(macaroon.serialize()) self.assertEqual(401, cm.exception.code) self.assertIn("Invalid macaroon", cm.exception.msg) @defer.inlineCallbacks def test_get_user_from_macaroon_unknown_caveat(self): # TODO(danielwh): Remove this mock when we remove the # get_user_by_access_token fallback. self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org"} ) user = "@baldrick:matrix.org" macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key, ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") macaroon.add_first_party_caveat("user_id = %s" % (user,)) macaroon.add_first_party_caveat("cunning > fox") with self.assertRaises(AuthError) as cm: yield self.auth.get_user_by_access_token(macaroon.serialize()) self.assertEqual(401, cm.exception.code) self.assertIn("Invalid macaroon", cm.exception.msg) @defer.inlineCallbacks def test_get_user_from_macaroon_expired(self): # TODO(danielwh): Remove this mock when we remove the # get_user_by_access_token fallback. self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org"} ) self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org"} ) user = "@baldrick:matrix.org" macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key, ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") macaroon.add_first_party_caveat("user_id = %s" % (user,)) macaroon.add_first_party_caveat("time < -2000") # ms self.hs.clock.now = 5000 # seconds self.hs.config.expire_access_token = True # yield self.auth.get_user_by_access_token(macaroon.serialize()) # TODO(daniel): Turn on the check that we validate expiration, when we # validate expiration (and remove the above line, which will start # throwing). with self.assertRaises(AuthError) as cm: yield self.auth.get_user_by_access_token(macaroon.serialize()) self.assertEqual(401, cm.exception.code) self.assertIn("Invalid macaroon", cm.exception.msg) @defer.inlineCallbacks def test_get_user_from_macaroon_with_valid_duration(self): # TODO(danielwh): Remove this mock when we remove the # get_user_by_access_token fallback. self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org"} ) self.store.get_user_by_access_token = Mock( return_value={"name": "@baldrick:matrix.org"} ) user_id = "@baldrick:matrix.org" macaroon = pymacaroons.Macaroon( location=self.hs.config.server_name, identifier="key", key=self.hs.config.macaroon_secret_key, ) macaroon.add_first_party_caveat("gen = 1") macaroon.add_first_party_caveat("type = access") macaroon.add_first_party_caveat("user_id = %s" % (user_id,)) macaroon.add_first_party_caveat("time < 900000000") # ms self.hs.clock.now = 5000 # seconds self.hs.config.expire_access_token = True user_info = yield self.auth.get_user_by_access_token(macaroon.serialize()) user = user_info["user"] self.assertEqual(UserID.from_string(user_id), user) @defer.inlineCallbacks def test_cannot_use_regular_token_as_guest(self): USER_ID = "@percy:matrix.org" self.store.add_access_token_to_user = Mock() token = yield self.hs.handlers.auth_handler.issue_access_token( USER_ID, "DEVICE" ) self.store.add_access_token_to_user.assert_called_with(USER_ID, token, "DEVICE") def get_user(tok): if token != tok: return None return { "name": USER_ID, "is_guest": False, "token_id": 1234, "device_id": "DEVICE", } self.store.get_user_by_access_token = get_user self.store.get_user_by_id = Mock(return_value={"is_guest": False}) # check the token works request = Mock(args={}) request.args[b"access_token"] = [token.encode('ascii')] request.requestHeaders.getRawHeaders = mock_getRawHeaders() requester = yield self.auth.get_user_by_req(request, allow_guest=True) self.assertEqual(UserID.from_string(USER_ID), requester.user) self.assertFalse(requester.is_guest) # add an is_guest caveat mac = pymacaroons.Macaroon.deserialize(token) mac.add_first_party_caveat("guest = true") guest_tok = mac.serialize() # the token should *not* work now request = Mock(args={}) request.args[b"access_token"] = [guest_tok.encode('ascii')] request.requestHeaders.getRawHeaders = mock_getRawHeaders() with self.assertRaises(AuthError) as cm: yield self.auth.get_user_by_req(request, allow_guest=True) self.assertEqual(401, cm.exception.code) self.assertEqual("Guest access token used for regular user", cm.exception.msg) self.store.get_user_by_id.assert_called_with(USER_ID) @defer.inlineCallbacks def test_blocking_mau(self): self.hs.config.limit_usage_by_mau = False self.hs.config.max_mau_value = 50 lots_of_users = 100 small_number_of_users = 1 # Ensure no error thrown yield self.auth.check_auth_blocking() self.hs.config.limit_usage_by_mau = True self.store.get_monthly_active_count = Mock( return_value=defer.succeed(lots_of_users) ) with self.assertRaises(ResourceLimitError) as e: yield self.auth.check_auth_blocking() self.assertEquals(e.exception.admin_contact, self.hs.config.admin_contact) self.assertEquals(e.exception.errcode, Codes.RESOURCE_LIMIT_EXCEEDED) self.assertEquals(e.exception.code, 403) # Ensure does not throw an error self.store.get_monthly_active_count = Mock( return_value=defer.succeed(small_number_of_users) ) yield self.auth.check_auth_blocking() @defer.inlineCallbacks def test_hs_disabled(self): self.hs.config.hs_disabled = True self.hs.config.hs_disabled_message = "Reason for being disabled" with self.assertRaises(ResourceLimitError) as e: yield self.auth.check_auth_blocking() self.assertEquals(e.exception.admin_contact, self.hs.config.admin_contact) self.assertEquals(e.exception.errcode, Codes.RESOURCE_LIMIT_EXCEEDED) self.assertEquals(e.exception.code, 403) @defer.inlineCallbacks def test_server_notices_mxid_special_cased(self): self.hs.config.hs_disabled = True user = "@user:server" self.hs.config.server_notices_mxid = user self.hs.config.hs_disabled_message = "Reason for being disabled" yield self.auth.check_auth_blocking(user)