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Support the stable /hierarchy endpoint from MSC2946 (#11329)

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This also makes additional updates where the implementation
had drifted from the approved MSC.

Unstable endpoints will be removed at a later data.
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Patrick Cloke 2021-11-29 14:32:20 -05:00 • committed by GitHub
parent d08ef6f155
commit a4521ce0a8
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11 changed files with 134 additions and 51 deletions
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31
synapse/federation/federation_client.py
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@ -1395,11 +1395,28 @@ class FederationClient(FederationBase):
async def send_request(
destination: str,
) -> Tuple[JsonDict, Sequence[JsonDict], Sequence[str]]:
res = await self.transport_layer.get_room_hierarchy(
destination=destination,
room_id=room_id,
suggested_only=suggested_only,
)
try:
res = await self.transport_layer.get_room_hierarchy(
destination=destination,
room_id=room_id,
suggested_only=suggested_only,
)
except HttpResponseException as e:
# If an error is received that is due to an unrecognised endpoint,
# fallback to the unstable endpoint. Otherwise consider it a
# legitmate error and raise.
if not self._is_unknown_endpoint(e):
raise
logger.debug(
"Couldn't fetch room hierarchy with the v1 API, falling back to the unstable API"
)
res = await self.transport_layer.get_room_hierarchy_unstable(
destination=destination,
room_id=room_id,
suggested_only=suggested_only,
)
room = res.get("room")
if not isinstance(room, dict):
@ -1449,6 +1466,10 @@ class FederationClient(FederationBase):
if e.code != 502:
raise
logger.debug(
"Couldn't fetch room hierarchy, falling back to the spaces API"
)
# Fallback to the old federation API and translate the results if
# no servers implement the new API.
#