diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index ea8e3517d7..8852db4eaf 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -657,25 +657,23 @@ class EventCreationHandler:
Return:
The stream_id of the persisted event.
- Raises:
- ShadowBanError if the requester has been shadow-banned.
+
"""
if event.type == EventTypes.Member:
raise SynapseError(
500, "Tried to send member event through non-member codepath"
)
- if not ignore_shadow_ban and requester.shadow_banned:
- # We randomly sleep a bit just to annoy the requester.
- await self.clock.sleep(random.randint(1, 10))
- raise ShadowBanError()
-
user = UserID.from_string(event.sender)
assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
ev = await self.handle_new_client_event(
- requester=requester, event=event, context=context, ratelimit=ratelimit
+ requester=requester,
+ event=event,
+ context=context,
+ ratelimit=ratelimit,
+ ignore_shadow_ban=ignore_shadow_ban,
)
# we know it was persisted, so must have a stream ordering
@@ -837,6 +835,7 @@ class EventCreationHandler:
context: EventContext,
ratelimit: bool = True,
extra_users: List[UserID] = [],
+ ignore_shadow_ban: bool = False,
) -> EventBase:
"""Processes a new event.
@@ -853,11 +852,28 @@ class EventCreationHandler:
ratelimit
extra_users: Any extra users to notify about event
+ ignore_shadow_ban: True if shadow-banned users should be allowed to
+ send this event.
+
Return:
If the event was deduplicated, the previous, duplicate, event. Otherwise,
`event`.
+
+ Raises:
+ ShadowBanError if the requester has been shadow-banned.
"""
+ # we don't apply shadow-banning to membership events, so that the user
+ # can come and go as they want.
+ if (
+ event.type != EventTypes.Member
+ and not ignore_shadow_ban
+ and requester.shadow_banned
+ ):
+ # We randomly sleep a bit just to annoy the requester.
+ await self.clock.sleep(random.randint(1, 10))
+ raise ShadowBanError()
+
if event.is_state():
prev_event = await self.deduplicate_state_event(event, context)
if prev_event is not None:
|