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-rw-r--r--tests/api/test_auth.py63
-rw-r--r--tests/handlers/test_auth.py43
-rw-r--r--tests/handlers/test_register.py12
-rw-r--r--tests/util/test_stringutils.py8
4 files changed, 34 insertions, 92 deletions
diff --git a/tests/api/test_auth.py b/tests/api/test_auth.py
index c0ed64f784..1b0a815757 100644
--- a/tests/api/test_auth.py
+++ b/tests/api/test_auth.py
@@ -21,13 +21,11 @@ from synapse.api.constants import UserTypes
 from synapse.api.errors import (
     AuthError,
     Codes,
-    InvalidClientCredentialsError,
     InvalidClientTokenError,
     MissingClientTokenError,
     ResourceLimitError,
 )
 from synapse.storage.databases.main.registration import TokenLookupResult
-from synapse.types import UserID
 
 from tests import unittest
 from tests.test_utils import simple_async_mock
@@ -253,67 +251,6 @@ class AuthTestCase(unittest.HomeserverTestCase):
         self.assertTrue(user_info.is_guest)
         self.store.get_user_by_id.assert_called_with(user_id)
 
-    def test_cannot_use_regular_token_as_guest(self):
-        USER_ID = "@percy:matrix.org"
-        self.store.add_access_token_to_user = simple_async_mock(None)
-        self.store.get_device = simple_async_mock(None)
-
-        token = self.get_success(
-            self.hs.get_auth_handler().get_access_token_for_user_id(
-                USER_ID, "DEVICE", valid_until_ms=None
-            )
-        )
-        self.store.add_access_token_to_user.assert_called_with(
-            user_id=USER_ID,
-            token=token,
-            device_id="DEVICE",
-            valid_until_ms=None,
-            puppets_user_id=None,
-        )
-
-        async def get_user(tok):
-            if token != tok:
-                return None
-            return TokenLookupResult(
-                user_id=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 = simple_async_mock({"is_guest": False})
-
-        # check the token works
-        request = Mock(args={})
-        request.args[b"access_token"] = [token.encode("ascii")]
-        request.requestHeaders.getRawHeaders = mock_getRawHeaders()
-        requester = self.get_success(
-            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()
-
-        cm = self.get_failure(
-            self.auth.get_user_by_req(request, allow_guest=True),
-            InvalidClientCredentialsError,
-        )
-
-        self.assertEqual(401, cm.value.code)
-        self.assertEqual("Guest access token used for regular user", cm.value.msg)
-
-        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
diff --git a/tests/handlers/test_auth.py b/tests/handlers/test_auth.py
index fe7e9484fd..5f3350e490 100644
--- a/tests/handlers/test_auth.py
+++ b/tests/handlers/test_auth.py
@@ -16,12 +16,17 @@ from unittest.mock import Mock
 import pymacaroons
 
 from synapse.api.errors import AuthError, ResourceLimitError
+from synapse.rest import admin
 
 from tests import unittest
 from tests.test_utils import make_awaitable
 
 
 class AuthTestCase(unittest.HomeserverTestCase):
+    servlets = [
+        admin.register_servlets,
+    ]
+
     def prepare(self, reactor, clock, hs):
         self.auth_handler = hs.get_auth_handler()
         self.macaroon_generator = hs.get_macaroon_generator()
@@ -35,16 +40,10 @@ class AuthTestCase(unittest.HomeserverTestCase):
         self.small_number_of_users = 1
         self.large_number_of_users = 100
 
-    def test_token_is_a_macaroon(self):
-        token = self.macaroon_generator.generate_access_token("some_user")
-        # Check that we can parse the thing with pymacaroons
-        macaroon = pymacaroons.Macaroon.deserialize(token)
-        # The most basic of sanity checks
-        if "some_user" not in macaroon.inspect():
-            self.fail("some_user was not in %s" % macaroon.inspect())
+        self.user1 = self.register_user("a_user", "pass")
 
     def test_macaroon_caveats(self):
-        token = self.macaroon_generator.generate_access_token("a_user")
+        token = self.macaroon_generator.generate_guest_access_token("a_user")
         macaroon = pymacaroons.Macaroon.deserialize(token)
 
         def verify_gen(caveat):
@@ -59,19 +58,23 @@ class AuthTestCase(unittest.HomeserverTestCase):
         def verify_nonce(caveat):
             return caveat.startswith("nonce =")
 
+        def verify_guest(caveat):
+            return caveat == "guest = true"
+
         v = pymacaroons.Verifier()
         v.satisfy_general(verify_gen)
         v.satisfy_general(verify_user)
         v.satisfy_general(verify_type)
         v.satisfy_general(verify_nonce)
+        v.satisfy_general(verify_guest)
         v.verify(macaroon, self.hs.config.macaroon_secret_key)
 
     def test_short_term_login_token_gives_user_id(self):
         token = self.macaroon_generator.generate_short_term_login_token(
-            "a_user", "", 5000
+            self.user1, "", 5000
         )
         res = self.get_success(self.auth_handler.validate_short_term_login_token(token))
-        self.assertEqual("a_user", res.user_id)
+        self.assertEqual(self.user1, res.user_id)
         self.assertEqual("", res.auth_provider_id)
 
         # when we advance the clock, the token should be rejected
@@ -83,22 +86,22 @@ class AuthTestCase(unittest.HomeserverTestCase):
 
     def test_short_term_login_token_gives_auth_provider(self):
         token = self.macaroon_generator.generate_short_term_login_token(
-            "a_user", auth_provider_id="my_idp"
+            self.user1, auth_provider_id="my_idp"
         )
         res = self.get_success(self.auth_handler.validate_short_term_login_token(token))
-        self.assertEqual("a_user", res.user_id)
+        self.assertEqual(self.user1, res.user_id)
         self.assertEqual("my_idp", res.auth_provider_id)
 
     def test_short_term_login_token_cannot_replace_user_id(self):
         token = self.macaroon_generator.generate_short_term_login_token(
-            "a_user", "", 5000
+            self.user1, "", 5000
         )
         macaroon = pymacaroons.Macaroon.deserialize(token)
 
         res = self.get_success(
             self.auth_handler.validate_short_term_login_token(macaroon.serialize())
         )
-        self.assertEqual("a_user", res.user_id)
+        self.assertEqual(self.user1, res.user_id)
 
         # add another "user_id" caveat, which might allow us to override the
         # user_id.
@@ -114,7 +117,7 @@ class AuthTestCase(unittest.HomeserverTestCase):
         # Ensure does not throw exception
         self.get_success(
             self.auth_handler.get_access_token_for_user_id(
-                "user_a", device_id=None, valid_until_ms=None
+                self.user1, device_id=None, valid_until_ms=None
             )
         )
 
@@ -132,7 +135,7 @@ class AuthTestCase(unittest.HomeserverTestCase):
 
         self.get_failure(
             self.auth_handler.get_access_token_for_user_id(
-                "user_a", device_id=None, valid_until_ms=None
+                self.user1, device_id=None, valid_until_ms=None
             ),
             ResourceLimitError,
         )
@@ -160,7 +163,7 @@ class AuthTestCase(unittest.HomeserverTestCase):
         # If not in monthly active cohort
         self.get_failure(
             self.auth_handler.get_access_token_for_user_id(
-                "user_a", device_id=None, valid_until_ms=None
+                self.user1, device_id=None, valid_until_ms=None
             ),
             ResourceLimitError,
         )
@@ -177,7 +180,7 @@ class AuthTestCase(unittest.HomeserverTestCase):
         )
         self.get_success(
             self.auth_handler.get_access_token_for_user_id(
-                "user_a", device_id=None, valid_until_ms=None
+                self.user1, device_id=None, valid_until_ms=None
             )
         )
         self.get_success(
@@ -195,7 +198,7 @@ class AuthTestCase(unittest.HomeserverTestCase):
         # Ensure does not raise exception
         self.get_success(
             self.auth_handler.get_access_token_for_user_id(
-                "user_a", device_id=None, valid_until_ms=None
+                self.user1, device_id=None, valid_until_ms=None
             )
         )
 
@@ -210,6 +213,6 @@ class AuthTestCase(unittest.HomeserverTestCase):
 
     def _get_macaroon(self):
         token = self.macaroon_generator.generate_short_term_login_token(
-            "user_a", "", 5000
+            self.user1, "", 5000
         )
         return pymacaroons.Macaroon.deserialize(token)
diff --git a/tests/handlers/test_register.py b/tests/handlers/test_register.py
index 608f8f3d33..bd43190523 100644
--- a/tests/handlers/test_register.py
+++ b/tests/handlers/test_register.py
@@ -48,10 +48,6 @@ class RegistrationTestCase(unittest.HomeserverTestCase):
         self.mock_distributor = Mock()
         self.mock_distributor.declare("registered_user")
         self.mock_captcha_client = Mock()
-        self.macaroon_generator = Mock(
-            generate_access_token=Mock(return_value="secret")
-        )
-        self.hs.get_macaroon_generator = Mock(return_value=self.macaroon_generator)
         self.handler = self.hs.get_registration_handler()
         self.store = self.hs.get_datastore()
         self.lots_of_users = 100
@@ -67,8 +63,8 @@ class RegistrationTestCase(unittest.HomeserverTestCase):
             self.get_or_create_user(requester, frank.localpart, "Frankie")
         )
         self.assertEquals(result_user_id, user_id)
-        self.assertTrue(result_token is not None)
-        self.assertEquals(result_token, "secret")
+        self.assertIsInstance(result_token, str)
+        self.assertGreater(len(result_token), 20)
 
     def test_if_user_exists(self):
         store = self.hs.get_datastore()
@@ -500,7 +496,7 @@ class RegistrationTestCase(unittest.HomeserverTestCase):
         user_id = self.get_success(self.handler.register_user(localpart="user"))
 
         # Get an access token.
-        token = self.macaroon_generator.generate_access_token(user_id)
+        token = "testtok"
         self.get_success(
             self.store.add_access_token_to_user(
                 user_id=user_id, token=token, device_id=None, valid_until_ms=None
@@ -577,7 +573,7 @@ class RegistrationTestCase(unittest.HomeserverTestCase):
 
         user = UserID(localpart, self.hs.hostname)
         user_id = user.to_string()
-        token = self.macaroon_generator.generate_access_token(user_id)
+        token = self.hs.get_auth_handler().generate_access_token(user)
 
         if need_register:
             await self.handler.register_with_store(
diff --git a/tests/util/test_stringutils.py b/tests/util/test_stringutils.py
index f7fecd9cf3..ad4dd7f007 100644
--- a/tests/util/test_stringutils.py
+++ b/tests/util/test_stringutils.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 from synapse.api.errors import SynapseError
-from synapse.util.stringutils import assert_valid_client_secret
+from synapse.util.stringutils import assert_valid_client_secret, base62_encode
 
 from .. import unittest
 
@@ -45,3 +45,9 @@ class StringUtilsTestCase(unittest.TestCase):
         for client_secret in bad:
             with self.assertRaises(SynapseError):
                 assert_valid_client_secret(client_secret)
+
+    def test_base62_encode(self):
+        self.assertEqual("0", base62_encode(0))
+        self.assertEqual("10", base62_encode(62))
+        self.assertEqual("1c", base62_encode(100))
+        self.assertEqual("001c", base62_encode(100, minwidth=4))