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PKCE can protect against certain attacks and is enabled by default. Support can be controlled manually by setting the pkce_method of each oidc_providers entry to 'auto' (default), 'always', or 'never'. This is required by Twitter OAuth 2.0 support.
119 lines
5.1 KiB
Python
119 lines
5.1 KiB
Python
# Copyright 2022 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from pymacaroons.exceptions import MacaroonVerificationFailedException
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from synapse.util.macaroons import MacaroonGenerator, OidcSessionData
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from tests.server import get_clock
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from tests.unittest import TestCase
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class MacaroonGeneratorTestCase(TestCase):
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def setUp(self) -> None:
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self.reactor, hs_clock = get_clock()
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self.macaroon_generator = MacaroonGenerator(hs_clock, "tesths", b"verysecret")
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self.other_macaroon_generator = MacaroonGenerator(
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hs_clock, "tesths", b"anothersecretkey"
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)
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def test_guest_access_token(self) -> None:
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"""Test the generation and verification of guest access tokens"""
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token = self.macaroon_generator.generate_guest_access_token("@user:tesths")
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user_id = self.macaroon_generator.verify_guest_token(token)
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self.assertEqual(user_id, "@user:tesths")
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# Raises with another secret key
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with self.assertRaises(MacaroonVerificationFailedException):
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self.other_macaroon_generator.verify_guest_token(token)
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# Check that an old access token without the guest caveat does not work
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macaroon = self.macaroon_generator._generate_base_macaroon("access")
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macaroon.add_first_party_caveat(f"user_id = {user_id}")
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macaroon.add_first_party_caveat("nonce = 0123456789abcdef")
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token = macaroon.serialize()
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with self.assertRaises(MacaroonVerificationFailedException):
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self.macaroon_generator.verify_guest_token(token)
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def test_delete_pusher_token(self) -> None:
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"""Test the generation and verification of delete_pusher tokens"""
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token = self.macaroon_generator.generate_delete_pusher_token(
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"@user:tesths", "m.mail", "john@example.com"
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)
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user_id = self.macaroon_generator.verify_delete_pusher_token(
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token, "m.mail", "john@example.com"
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)
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self.assertEqual(user_id, "@user:tesths")
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# Raises with another secret key
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with self.assertRaises(MacaroonVerificationFailedException):
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self.other_macaroon_generator.verify_delete_pusher_token(
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token, "m.mail", "john@example.com"
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)
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# Raises when verifying for another pushkey
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with self.assertRaises(MacaroonVerificationFailedException):
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self.macaroon_generator.verify_delete_pusher_token(
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token, "m.mail", "other@example.com"
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)
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# Raises when verifying for another app_id
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with self.assertRaises(MacaroonVerificationFailedException):
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self.macaroon_generator.verify_delete_pusher_token(
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token, "somethingelse", "john@example.com"
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)
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# Check that an old token without the app_id and pushkey still works
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macaroon = self.macaroon_generator._generate_base_macaroon("delete_pusher")
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macaroon.add_first_party_caveat("user_id = @user:tesths")
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token = macaroon.serialize()
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user_id = self.macaroon_generator.verify_delete_pusher_token(
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token, "m.mail", "john@example.com"
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)
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self.assertEqual(user_id, "@user:tesths")
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def test_oidc_session_token(self) -> None:
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"""Test the generation and verification of OIDC session cookies"""
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state = "arandomstate"
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session_data = OidcSessionData(
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idp_id="oidc",
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nonce="nonce",
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client_redirect_url="https://example.com/",
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ui_auth_session_id="",
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code_verifier="",
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)
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token = self.macaroon_generator.generate_oidc_session_token(
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state, session_data, duration_in_ms=2 * 60 * 1000
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).encode("utf-8")
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info = self.macaroon_generator.verify_oidc_session_token(token, state)
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self.assertEqual(session_data, info)
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# Raises with another secret key
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with self.assertRaises(MacaroonVerificationFailedException):
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self.other_macaroon_generator.verify_oidc_session_token(token, state)
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# Should raise with another state
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with self.assertRaises(MacaroonVerificationFailedException):
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self.macaroon_generator.verify_oidc_session_token(token, "anotherstate")
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# Wait a minute
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self.reactor.pump([60])
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# Shouldn't raise
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self.macaroon_generator.verify_oidc_session_token(token, state)
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# Wait another minute
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self.reactor.pump([60])
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# Should raise since it expired
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with self.assertRaises(MacaroonVerificationFailedException):
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self.macaroon_generator.verify_oidc_session_token(token, state)
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