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Clarifications and small fixes to to-device related code (#11247)

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Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
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Andrew Morgan 2021-11-09 14:31:15 +00:00 • committed by GitHub
parent b6f4d122ef
commit a026695083
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6 changed files with 78 additions and 17 deletions
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24
synapse/handlers/appservice.py
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@ -188,7 +188,7 @@ class ApplicationServicesHandler:
self,
stream_key: str,
new_token: Union[int, RoomStreamToken],
users: Optional[Collection[Union[str, UserID]]] = None,
users: Collection[Union[str, UserID]],
) -> None:
"""
This is called by the notifier in the background when an ephemeral event is handled
@ -203,7 +203,9 @@ class ApplicationServicesHandler:
value for `stream_key` will cause this function to return early.
Ephemeral events will only be pushed to appservices that have opted into
them.
receiving them by setting `push_ephemeral` to true in their registration
file. Note that while MSC2409 is experimental, this option is called
`de.sorunome.msc2409.push_ephemeral`.
Appservices will only receive ephemeral events that fall within their
registered user and room namespaces.
@ -214,6 +216,7 @@ class ApplicationServicesHandler:
if not self.notify_appservices:
return
# Ignore any unsupported streams
if stream_key not in ("typing_key", "receipt_key", "presence_key"):
return
@ -230,18 +233,25 @@ class ApplicationServicesHandler:
# Additional context: https://github.com/matrix-org/synapse/pull/11137
assert isinstance(new_token, int)
# Check whether there are any appservices which have registered to receive
# ephemeral events.
#
# Note that whether these events are actually relevant to these appservices
# is decided later on.
services = [
service
for service in self.store.get_app_services()
if service.supports_ephemeral
]
if not services:
# Bail out early if none of the target appservices have explicitly registered
# to receive these ephemeral events.
return
# We only start a new background process if necessary rather than
# optimistically (to cut down on overhead).
self._notify_interested_services_ephemeral(
services, stream_key, new_token, users or []
services, stream_key, new_token, users
)
@wrap_as_background_process("notify_interested_services_ephemeral")
@ -252,7 +262,7 @@ class ApplicationServicesHandler:
new_token: int,
users: Collection[Union[str, UserID]],
) -> None:
logger.debug("Checking interested services for %s" % (stream_key))
logger.debug("Checking interested services for %s", stream_key)
with Measure(self.clock, "notify_interested_services_ephemeral"):
for service in services:
if stream_key == "typing_key":
@ -345,6 +355,9 @@ class ApplicationServicesHandler:
Args:
service: The application service to check for which events it should receive.
new_token: A receipts event stream token. Purely used to double-check that the
from_token we pull from the database isn't greater than or equal to this
token. Prevents accidentally duplicating work.
Returns:
A list of JSON dictionaries containing data derived from the read receipts that
@ -382,6 +395,9 @@ class ApplicationServicesHandler:
Args:
service: The application service that ephemeral events are being sent to.
users: The users that should receive the presence update.
new_token: A presence update stream token. Purely used to double-check that the
from_token we pull from the database isn't greater than or equal to this
token. Prevents accidentally duplicating work.
Returns:
A list of json dictionaries containing data derived from the presence events