synapse/tests/api/test_auth.py

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# 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.
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from unittest.mock import Mock
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import pymacaroons
from synapse.api.auth import Auth
from synapse.api.constants import UserTypes
from synapse.api.errors import (
AuthError,
Codes,
InvalidClientTokenError,
MissingClientTokenError,
ResourceLimitError,
)
from synapse.storage.databases.main.registration import TokenLookupResult
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from tests import unittest
from tests.test_utils import simple_async_mock
from tests.utils import mock_getRawHeaders
class AuthTestCase(unittest.HomeserverTestCase):
def prepare(self, reactor, clock, hs):
self.store = Mock()
hs.get_datastore = Mock(return_value=self.store)
hs.get_auth_handler().store = self.store
self.auth = Auth(hs)
# AuthBlocking reads from the hs' config on initialization. We need to
# modify its config instead of the hs'
self.auth_blocking = self.auth._auth_blocking
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)
self.store.insert_client_ip = simple_async_mock(None)
self.store.is_support_user = simple_async_mock(False)
def test_get_user_by_req_user_valid_token(self):
user_info = TokenLookupResult(
user_id=self.test_user, token_id=5, device_id="device"
)
self.store.get_user_by_access_token = simple_async_mock(user_info)
self.store.mark_access_token_as_used = simple_async_mock(None)
request = Mock(args={})
request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
requester = self.get_success(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 = simple_async_mock(None)
request = Mock(args={})
request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
f = self.get_failure(
self.auth.get_user_by_req(request), InvalidClientTokenError
).value
self.assertEqual(f.code, 401)
self.assertEqual(f.errcode, "M_UNKNOWN_TOKEN")
def test_get_user_by_req_user_missing_token(self):
user_info = TokenLookupResult(user_id=self.test_user, token_id=5)
self.store.get_user_by_access_token = simple_async_mock(user_info)
request = Mock(args={})
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
f = self.get_failure(
self.auth.get_user_by_req(request), MissingClientTokenError
).value
self.assertEqual(f.code, 401)
self.assertEqual(f.errcode, "M_MISSING_TOKEN")
def test_get_user_by_req_appservice_valid_token(self):
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app_service = Mock(
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token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None
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)
self.store.get_app_service_by_token = Mock(return_value=app_service)
self.store.get_user_by_access_token = simple_async_mock(None)
request = Mock(args={})
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request.getClientIP.return_value = "127.0.0.1"
request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
requester = self.get_success(self.auth.get_user_by_req(request))
self.assertEquals(requester.user.to_string(), self.test_user)
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def test_get_user_by_req_appservice_valid_token_good_ip(self):
from netaddr import IPSet
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app_service = Mock(
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token="foobar",
url="a_url",
sender=self.test_user,
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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 = simple_async_mock(None)
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request = Mock(args={})
request.getClientIP.return_value = "192.168.10.10"
request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
requester = self.get_success(self.auth.get_user_by_req(request))
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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
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app_service = Mock(
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token="foobar",
url="a_url",
sender=self.test_user,
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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 = simple_async_mock(None)
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request = Mock(args={})
request.getClientIP.return_value = "131.111.8.42"
request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
f = self.get_failure(
self.auth.get_user_by_req(request), InvalidClientTokenError
).value
self.assertEqual(f.code, 401)
self.assertEqual(f.errcode, "M_UNKNOWN_TOKEN")
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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 = simple_async_mock(None)
request = Mock(args={})
request.args[b"access_token"] = [self.test_token]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
f = self.get_failure(
self.auth.get_user_by_req(request), InvalidClientTokenError
).value
self.assertEqual(f.code, 401)
self.assertEqual(f.errcode, "M_UNKNOWN_TOKEN")
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 = simple_async_mock(None)
request = Mock(args={})
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
f = self.get_failure(
self.auth.get_user_by_req(request), MissingClientTokenError
).value
self.assertEqual(f.code, 401)
self.assertEqual(f.errcode, "M_MISSING_TOKEN")
def test_get_user_by_req_appservice_valid_token_valid_user_id(self):
masquerading_user_id = b"@doppelganger:matrix.org"
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app_service = Mock(
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token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None
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)
app_service.is_interested_in_user = Mock(return_value=True)
self.store.get_app_service_by_token = Mock(return_value=app_service)
# This just needs to return a truth-y value.
self.store.get_user_by_id = simple_async_mock({"is_guest": False})
self.store.get_user_by_access_token = simple_async_mock(None)
request = Mock(args={})
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request.getClientIP.return_value = "127.0.0.1"
request.args[b"access_token"] = [self.test_token]
request.args[b"user_id"] = [masquerading_user_id]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
requester = self.get_success(self.auth.get_user_by_req(request))
self.assertEquals(
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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"
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app_service = Mock(
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token="foobar", url="a_url", sender=self.test_user, ip_range_whitelist=None
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)
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 = simple_async_mock(None)
request = Mock(args={})
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request.getClientIP.return_value = "127.0.0.1"
request.args[b"access_token"] = [self.test_token]
request.args[b"user_id"] = [masquerading_user_id]
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request.requestHeaders.getRawHeaders = mock_getRawHeaders()
self.get_failure(self.auth.get_user_by_req(request), AuthError)
def test_get_user_from_macaroon(self):
self.store.get_user_by_access_token = simple_async_mock(
TokenLookupResult(user_id="@baldrick:matrix.org", device_id="device")
)
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user_id = "@baldrick:matrix.org"
macaroon = pymacaroons.Macaroon(
location=self.hs.config.server_name,
identifier="key",
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key=self.hs.config.macaroon_secret_key,
)
macaroon.add_first_party_caveat("gen = 1")
macaroon.add_first_party_caveat("type = access")
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macaroon.add_first_party_caveat("user_id = %s" % (user_id,))
user_info = self.get_success(
self.auth.get_user_by_access_token(macaroon.serialize())
)
self.assertEqual(user_id, user_info.user_id)
# TODO: device_id should come from the macaroon, but currently comes
# from the db.
self.assertEqual(user_info.device_id, "device")
def test_get_guest_user_from_macaroon(self):
self.store.get_user_by_id = simple_async_mock({"is_guest": True})
self.store.get_user_by_access_token = simple_async_mock(None)
user_id = "@baldrick:matrix.org"
macaroon = pymacaroons.Macaroon(
location=self.hs.config.server_name,
identifier="key",
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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 = self.get_success(self.auth.get_user_by_access_token(serialized))
self.assertEqual(user_id, user_info.user_id)
self.assertTrue(user_info.is_guest)
self.store.get_user_by_id.assert_called_with(user_id)
def test_blocking_mau(self):
self.auth_blocking._limit_usage_by_mau = False
self.auth_blocking._max_mau_value = 50
lots_of_users = 100
small_number_of_users = 1
# Ensure no error thrown
self.get_success(self.auth.check_auth_blocking())
self.auth_blocking._limit_usage_by_mau = True
self.store.get_monthly_active_count = simple_async_mock(lots_of_users)
e = self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
self.assertEquals(e.value.admin_contact, self.hs.config.admin_contact)
self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
self.assertEquals(e.value.code, 403)
# Ensure does not throw an error
self.store.get_monthly_active_count = simple_async_mock(small_number_of_users)
self.get_success(self.auth.check_auth_blocking())
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def test_blocking_mau__depending_on_user_type(self):
self.auth_blocking._max_mau_value = 50
self.auth_blocking._limit_usage_by_mau = True
self.store.get_monthly_active_count = simple_async_mock(100)
# Support users allowed
self.get_success(self.auth.check_auth_blocking(user_type=UserTypes.SUPPORT))
self.store.get_monthly_active_count = simple_async_mock(100)
# Bots not allowed
self.get_failure(
self.auth.check_auth_blocking(user_type=UserTypes.BOT), ResourceLimitError
)
self.store.get_monthly_active_count = simple_async_mock(100)
# Real users not allowed
self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
def test_reserved_threepid(self):
self.auth_blocking._limit_usage_by_mau = True
self.auth_blocking._max_mau_value = 1
self.store.get_monthly_active_count = simple_async_mock(2)
threepid = {"medium": "email", "address": "reserved@server.com"}
unknown_threepid = {"medium": "email", "address": "unreserved@server.com"}
self.auth_blocking._mau_limits_reserved_threepids = [threepid]
self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
self.get_failure(
self.auth.check_auth_blocking(threepid=unknown_threepid), ResourceLimitError
)
self.get_success(self.auth.check_auth_blocking(threepid=threepid))
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def test_hs_disabled(self):
self.auth_blocking._hs_disabled = True
self.auth_blocking._hs_disabled_message = "Reason for being disabled"
e = self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
self.assertEquals(e.value.admin_contact, self.hs.config.admin_contact)
self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
self.assertEquals(e.value.code, 403)
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def test_hs_disabled_no_server_notices_user(self):
"""Check that 'hs_disabled_message' works correctly when there is no
server_notices user.
"""
# this should be the default, but we had a bug where the test was doing the wrong
# thing, so let's make it explicit
self.auth_blocking._server_notices_mxid = None
self.auth_blocking._hs_disabled = True
self.auth_blocking._hs_disabled_message = "Reason for being disabled"
e = self.get_failure(self.auth.check_auth_blocking(), ResourceLimitError)
self.assertEquals(e.value.admin_contact, self.hs.config.admin_contact)
self.assertEquals(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
self.assertEquals(e.value.code, 403)
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def test_server_notices_mxid_special_cased(self):
self.auth_blocking._hs_disabled = True
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user = "@user:server"
self.auth_blocking._server_notices_mxid = user
self.auth_blocking._hs_disabled_message = "Reason for being disabled"
self.get_success(self.auth.check_auth_blocking(user))