116 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Python
		
	
	
# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 OpenMarket Ltd
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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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import pymacaroons
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from twisted.internet import defer
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import synapse
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import synapse.api.errors
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from synapse.handlers.auth import AuthHandler
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from tests import unittest
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from tests.utils import setup_test_homeserver
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class AuthHandlers(object):
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    def __init__(self, hs):
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        self.auth_handler = AuthHandler(hs)
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class AuthTestCase(unittest.TestCase):
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    @defer.inlineCallbacks
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    def setUp(self):
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        self.hs = yield setup_test_homeserver(handlers=None)
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        self.hs.handlers = AuthHandlers(self.hs)
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        self.auth_handler = self.hs.handlers.auth_handler
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    def test_token_is_a_macaroon(self):
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        self.hs.config.macaroon_secret_key = "this key is a huge secret"
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        token = self.auth_handler.generate_access_token("some_user")
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        # Check that we can parse the thing with pymacaroons
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        macaroon = pymacaroons.Macaroon.deserialize(token)
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        # The most basic of sanity checks
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        if "some_user" not in macaroon.inspect():
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            self.fail("some_user was not in %s" % macaroon.inspect())
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    def test_macaroon_caveats(self):
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        self.hs.config.macaroon_secret_key = "this key is a massive secret"
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        self.hs.clock.now = 5000
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        token = self.auth_handler.generate_access_token("a_user")
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        macaroon = pymacaroons.Macaroon.deserialize(token)
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        def verify_gen(caveat):
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            return caveat == "gen = 1"
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        def verify_user(caveat):
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            return caveat == "user_id = a_user"
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        def verify_type(caveat):
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            return caveat == "type = access"
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        def verify_expiry(caveat):
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            return caveat == "time < 8600000"
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        v = pymacaroons.Verifier()
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        v.satisfy_general(verify_gen)
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        v.satisfy_general(verify_user)
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        v.satisfy_general(verify_type)
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        v.satisfy_general(verify_expiry)
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        v.verify(macaroon, self.hs.config.macaroon_secret_key)
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    def test_short_term_login_token_gives_user_id(self):
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        self.hs.clock.now = 1000
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        token = self.auth_handler.generate_short_term_login_token(
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            "a_user", 5000
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        )
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        self.assertEqual(
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            "a_user",
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            self.auth_handler.validate_short_term_login_token_and_get_user_id(
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                token
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            )
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        )
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        # when we advance the clock, the token should be rejected
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        self.hs.clock.now = 6000
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        with self.assertRaises(synapse.api.errors.AuthError):
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            self.auth_handler.validate_short_term_login_token_and_get_user_id(
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                token
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            )
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    def test_short_term_login_token_cannot_replace_user_id(self):
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        token = self.auth_handler.generate_short_term_login_token(
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            "a_user", 5000
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        )
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        macaroon = pymacaroons.Macaroon.deserialize(token)
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        self.assertEqual(
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            "a_user",
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            self.auth_handler.validate_short_term_login_token_and_get_user_id(
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                macaroon.serialize()
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            )
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        )
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        # add another "user_id" caveat, which might allow us to override the
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        # user_id.
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        macaroon.add_first_party_caveat("user_id = b_user")
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        with self.assertRaises(synapse.api.errors.AuthError):
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            self.auth_handler.validate_short_term_login_token_and_get_user_id(
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                macaroon.serialize()
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            )
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