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-rw-r--r--tests/rest/client/v1/test_rooms.py100
1 files changed, 100 insertions, 0 deletions
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py
index ef6b775ed2..e674eb90d7 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -1974,3 +1974,103 @@ class RoomCanonicalAliasTestCase(unittest.HomeserverTestCase):
         """An alias which does not point to the room raises a SynapseError."""
         self._set_canonical_alias({"alias": "@unknown:test"}, expected_code=400)
         self._set_canonical_alias({"alt_aliases": ["@unknown:test"]}, expected_code=400)
+
+
+class ShadowBannedTestCase(unittest.HomeserverTestCase):
+    servlets = [
+        synapse.rest.admin.register_servlets_for_client_rest_resource,
+        directory.register_servlets,
+        login.register_servlets,
+        room.register_servlets,
+    ]
+
+    def prepare(self, reactor, clock, homeserver):
+        self.banned_user_id = self.register_user("banned", "test")
+        self.banned_access_token = self.login("banned", "test")
+
+        self.store = self.hs.get_datastore()
+
+        self.get_success(
+            self.store.db_pool.simple_update(
+                table="users",
+                keyvalues={"name": self.banned_user_id},
+                updatevalues={"shadow_banned": True},
+                desc="shadow_ban",
+            )
+        )
+
+        self.other_user_id = self.register_user("otheruser", "pass")
+        self.other_access_token = self.login("otheruser", "pass")
+
+    def test_invite(self):
+        """Invites from shadow-banned users don't actually get sent."""
+
+        # The create works fine.
+        room_id = self.helper.create_room_as(
+            self.banned_user_id, tok=self.banned_access_token
+        )
+
+        # Inviting the user completes successfully.
+        self.helper.invite(
+            room=room_id,
+            src=self.banned_user_id,
+            tok=self.banned_access_token,
+            targ=self.other_user_id,
+        )
+
+        # But the user wasn't actually invited.
+        invited_rooms = self.get_success(
+            self.store.get_invited_rooms_for_local_user(self.other_user_id)
+        )
+        self.assertEqual(invited_rooms, [])
+
+    def test_invite_3pid(self):
+        """Ensure that a 3PID invite does not attempt to contact the identity server."""
+        identity_handler = self.hs.get_handlers().identity_handler
+        identity_handler.lookup_3pid = Mock(
+            side_effect=AssertionError("This should not get called")
+        )
+
+        # The create works fine.
+        room_id = self.helper.create_room_as(
+            self.banned_user_id, tok=self.banned_access_token
+        )
+
+        # Inviting the user completes successfully.
+        request, channel = self.make_request(
+            "POST",
+            "/rooms/%s/invite" % (room_id,),
+            {"id_server": "test", "medium": "email", "address": "test@test.test"},
+            access_token=self.banned_access_token,
+        )
+        self.render(request)
+        self.assertEquals(200, channel.code, channel.result)
+
+        # This should have raised an error earlier, but double check this wasn't called.
+        identity_handler.lookup_3pid.assert_not_called()
+
+    def test_create_room(self):
+        """Invitations during a room creation should be discarded, but the room still gets created."""
+        # The room creation is successful.
+        request, channel = self.make_request(
+            "POST",
+            "/_matrix/client/r0/createRoom",
+            {"visibility": "public", "invite": [self.other_user_id]},
+            access_token=self.banned_access_token,
+        )
+        self.render(request)
+        self.assertEquals(200, channel.code, channel.result)
+        room_id = channel.json_body["room_id"]
+
+        # But the user wasn't actually invited.
+        invited_rooms = self.get_success(
+            self.store.get_invited_rooms_for_local_user(self.other_user_id)
+        )
+        self.assertEqual(invited_rooms, [])
+
+        # Since a real room was created, the other user should be able to join it.
+        self.helper.join(room_id, self.other_user_id, tok=self.other_access_token)
+
+        # Both users should be in the room.
+        users = self.get_success(self.store.get_users_in_room(room_id))
+        self.assertCountEqual(users, ["@banned:test", "@otheruser:test"])