MirrorHub/synapse
0
0
Fork 1
mirror of https://mau.dev/maunium/synapse.git synced 2024-12-21 03:23:54 +01:00
Code Issues Projects Releases Wiki Activity

Validate well-known state events are state events.

Browse source 
Lets disallow sending things like memberships, topics etc as non-state
events.
This commit is contained in:
Erik Johnston 2019-07-31 16:36:20 +01:00
parent 02735e140f
commit dc4d74e44a
1 changed files with 9 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
synapse/events/validator.py
View file

@ -95,10 +95,10 @@ class EventValidator(object):
elif event.type == EventTypes.Topic:
self._ensure_strings(event.content, ["topic"])
self._ensure_state_event(event)
elif event.type == EventTypes.Name:
self._ensure_strings(event.content, ["name"])
self._ensure_state_event(event)
elif event.type == EventTypes.Member:
if "membership" not in event.content:
raise SynapseError(400, "Content has not membership key")
@ -106,6 +106,7 @@ class EventValidator(object):
if event.content["membership"] not in Membership.LIST:
raise SynapseError(400, "Invalid membership key")
self._ensure_state_event(event)
elif event.type == EventTypes.Tombstone:
if "replacement_room" not in event.content:
raise SynapseError(400, "Content has no replacement_room key")
@ -113,9 +114,15 @@ class EventValidator(object):
if event.content["replacement_room"] == event.room_id:
raise SynapseError(400, "Tombstone cannot reference itself")
self._ensure_state_event(event)
def _ensure_strings(self, d, keys):
for s in keys:
if s not in d:
raise SynapseError(400, "'%s' not in content" % (s,))
if not isinstance(d[s], string_types):
raise SynapseError(400, "'%s' not a string type" % (s,))
def _ensure_state_event(self, event):
if not event.is_state():
raise SynapseError(400, "'%s' must be state events" % (event.type,))