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authorRichard van der Hoff <richard@matrix.org>2018-05-18 11:18:39 +0100
committerRichard van der Hoff <richard@matrix.org>2018-05-18 11:18:39 +0100
commit26305788fe23448d65d0cd0358df547e816574f2 (patch)
tree1dafe1e3220105e43b4158008ebe482e7d5400a0 /synapse/server_notices/server_notices_manager.py
parentReplace inline docstrings with "Attributes" in class docstring (diff)
downloadsynapse-26305788fe23448d65d0cd0358df547e816574f2.tar.xz
Make sure we reject attempts to invite the notices user
Diffstat (limited to 'synapse/server_notices/server_notices_manager.py')
-rw-r--r--synapse/server_notices/server_notices_manager.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/synapse/server_notices/server_notices_manager.py b/synapse/server_notices/server_notices_manager.py
index 0d48aeb95e..15086600ed 100644
--- a/synapse/server_notices/server_notices_manager.py
+++ b/synapse/server_notices/server_notices_manager.py
@@ -78,6 +78,11 @@ class ServerNoticesManager(object):
         )
         system_mxid = self._config.server_notices_mxid
         for room in rooms:
+            # it's worth noting that there is an asymmetry here in that we
+            # expect the user to be invited or joined, but the system user must
+            # be joined. This is kinda deliberate, in that if somebody somehow
+            # manages to invite the system user to a room, that doesn't make it
+            # the server notices room.
             user_ids = yield self._store.get_users_in_room(room.room_id)
             if system_mxid in user_ids:
                 # we found a room which our user shares with the system notice