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| author | Mark Haines <mark.haines@matrix.org> | 2015-09-21 14:13:10 +0100 |
|---|---|---|
| committer | Mark Haines <mark.haines@matrix.org> | 2015-09-21 14:13:10 +0100 |
| commit | 1e101ed4a45bad68f4865229e0c8d617fed67065 (patch) | |
| tree | ae8f50ba58908241ec00d3535add802d06008db9 /synapse/handlers/message.py | |
| parent | Clarify which event is returned by check_user_was_in_room (diff) | |
| download | synapse-1e101ed4a45bad68f4865229e0c8d617fed67065.tar.xz | |
Clamp the "to" token for /rooms/{roomId}/messages to when the user left
the room. There isn't a way for the client to learn a valid "to" token for a room that they have left in the C-S API but that doesn't stop a client making one up.
Diffstat (limited to 'synapse/handlers/message.py')
| -rw-r--r-- | synapse/handlers/message.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 5d18aaacf0..bca592f5d7 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -120,6 +120,10 @@ class MessageHandler(BaseHandler): if source_config.direction == "f": if source_config.to_key is None: source_config.to_key = str(leave_token) + else: + to_token = RoomStreamToken.parse(source_config.to_key) + if leave_token.topological < to_token.topological: + source_config.to_key = str(leave_token) yield self.hs.get_handlers().federation_handler.maybe_backfill( room_id, room_token.topological |