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Merge pull request #6349 from matrix-org/babolivier/msc1802

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Implement v2 APIs for send_join and send_leave
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Brendan Abolivier 2019-12-11 11:41:47 +00:00 committed by GitHub
commit 54ae52ba96
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5 changed files with 141 additions and 28 deletions
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1
changelog.d/6349.feature Normal file
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@ -0,0 +1 @@
Implement v2 APIs for the `send_join` and `send_leave` federation endpoints (as described in [MSC1802](https://github.com/matrix-org/matrix-doc/pull/1802)).

88
synapse/federation/federation_client.py
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@ -526,13 +526,7 @@ class FederationClient(FederationBase):
@defer.inlineCallbacks
def send_request(destination):
time_now = self._clock.time_msec()
_, content = yield self.transport_layer.send_join(
destination=destination,
room_id=pdu.room_id,
event_id=pdu.event_id,
content=pdu.get_pdu_json(time_now),
)
content = yield self._do_send_join(destination, pdu)
logger.debug("Got content: %s", content)
@ -599,6 +593,44 @@ class FederationClient(FederationBase):
return self._try_destination_list("send_join", destinations, send_request)
@defer.inlineCallbacks
def _do_send_join(self, destination, pdu):
time_now = self._clock.time_msec()
try:
content = yield self.transport_layer.send_join_v2(
destination=destination,
room_id=pdu.room_id,
event_id=pdu.event_id,
content=pdu.get_pdu_json(time_now),
)
return content
except HttpResponseException as e:
if e.code in [400, 404]:
err = e.to_synapse_error()
# If we receive an error response that isn't a generic error, or an
# unrecognised endpoint error, we assume that the remote understands
# the v2 invite API and this is a legitimate error.
if err.errcode not in [Codes.UNKNOWN, Codes.UNRECOGNIZED]:
raise err
else:
raise e.to_synapse_error()
logger.debug("Couldn't send_join with the v2 API, falling back to the v1 API")
resp = yield self.transport_layer.send_join_v1(
destination=destination,
room_id=pdu.room_id,
event_id=pdu.event_id,
content=pdu.get_pdu_json(time_now),
)
# We expect the v1 API to respond with [200, content], so we only return the
# content.
return resp[1]
@defer.inlineCallbacks
def send_invite(self, destination, room_id, event_id, pdu):
room_version = yield self.store.get_room_version(room_id)
@ -708,18 +740,50 @@ class FederationClient(FederationBase):
@defer.inlineCallbacks
def send_request(destination):
time_now = self._clock.time_msec()
_, content = yield self.transport_layer.send_leave(
content = yield self._do_send_leave(destination, pdu)
logger.debug("Got content: %s", content)
return None
return self._try_destination_list("send_leave", destinations, send_request)
@defer.inlineCallbacks
def _do_send_leave(self, destination, pdu):
time_now = self._clock.time_msec()
try:
content = yield self.transport_layer.send_leave_v2(
destination=destination,
room_id=pdu.room_id,
event_id=pdu.event_id,
content=pdu.get_pdu_json(time_now),
)
logger.debug("Got content: %s", content)
return None
return content
except HttpResponseException as e:
if e.code in [400, 404]:
err = e.to_synapse_error()
return self._try_destination_list("send_leave", destinations, send_request)
# If we receive an error response that isn't a generic error, or an
# unrecognised endpoint error, we assume that the remote understands
# the v2 invite API and this is a legitimate error.
if err.errcode not in [Codes.UNKNOWN, Codes.UNRECOGNIZED]:
raise err
else:
raise e.to_synapse_error()
logger.debug("Couldn't send_leave with the v2 API, falling back to the v1 API")
resp = yield self.transport_layer.send_leave_v1(
destination=destination,
room_id=pdu.room_id,
event_id=pdu.event_id,
content=pdu.get_pdu_json(time_now),
)
# We expect the v1 API to respond with [200, content], so we only return the
# content.
return resp[1]
def get_public_rooms(
self,

15
synapse/federation/federation_server.py
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@ -384,15 +384,10 @@ class FederationServer(FederationBase):
res_pdus = await self.handler.on_send_join_request(origin, pdu)
time_now = self._clock.time_msec()
return (
200,
{
"state": [p.get_pdu_json(time_now) for p in res_pdus["state"]],
"auth_chain": [
p.get_pdu_json(time_now) for p in res_pdus["auth_chain"]
],
},
)
return {
"state": [p.get_pdu_json(time_now) for p in res_pdus["state"]],
"auth_chain": [p.get_pdu_json(time_now) for p in res_pdus["auth_chain"]],
}
async def on_make_leave_request(self, origin, room_id, user_id):
origin_host, _ = parse_server_name(origin)
@ -419,7 +414,7 @@ class FederationServer(FederationBase):
pdu = await self._check_sigs_and_hash(room_version, pdu)
await self.handler.on_send_leave_request(origin, pdu)
return 200, {}
return {}
async def on_event_auth(self, origin, room_id, event_id):
with (await self._server_linearizer.queue((origin, room_id))):

33
synapse/federation/transport/client.py
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@ -243,7 +243,7 @@ class TransportLayerClient(object):
@defer.inlineCallbacks
@log_function
def send_join(self, destination, room_id, event_id, content):
def send_join_v1(self, destination, room_id, event_id, content):
path = _create_v1_path("/send_join/%s/%s", room_id, event_id)
response = yield self.client.put_json(
@ -254,7 +254,18 @@ class TransportLayerClient(object):
@defer.inlineCallbacks
@log_function
def send_leave(self, destination, room_id, event_id, content):
def send_join_v2(self, destination, room_id, event_id, content):
path = _create_v2_path("/send_join/%s/%s", room_id, event_id)
response = yield self.client.put_json(
destination=destination, path=path, data=content
)
return response
@defer.inlineCallbacks
@log_function
def send_leave_v1(self, destination, room_id, event_id, content):
path = _create_v1_path("/send_leave/%s/%s", room_id, event_id)
response = yield self.client.put_json(
@ -270,6 +281,24 @@ class TransportLayerClient(object):
return response
@defer.inlineCallbacks
@log_function
def send_leave_v2(self, destination, room_id, event_id, content):
path = _create_v2_path("/send_leave/%s/%s", room_id, event_id)
response = yield self.client.put_json(
destination=destination,
path=path,
data=content,
# we want to do our best to send this through. The problem is
# that if it fails, we won't retry it later, so if the remote
# server was just having a momentary blip, the room will be out of
# sync.
ignore_backoff=True,
)
return response
@defer.inlineCallbacks
@log_function
def send_invite_v1(self, destination, room_id, event_id, content):

32
synapse/federation/transport/server.py
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@ -506,9 +506,19 @@ class FederationMakeLeaveServlet(BaseFederationServlet):
return 200, content
class FederationSendLeaveServlet(BaseFederationServlet):
class FederationV1SendLeaveServlet(BaseFederationServlet):
PATH = "/send_leave/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
async def on_PUT(self, origin, content, query, room_id, event_id):
content = await self.handler.on_send_leave_request(origin, content, room_id)
return 200, (200, content)
class FederationV2SendLeaveServlet(BaseFederationServlet):
PATH = "/send_leave/(?P<room_id>[^/]*)/(?P<event_id>[^/]*)"
PREFIX = FEDERATION_V2_PREFIX
async def on_PUT(self, origin, content, query, room_id, event_id):
content = await self.handler.on_send_leave_request(origin, content, room_id)
return 200, content
@ -521,9 +531,21 @@ class FederationEventAuthServlet(BaseFederationServlet):
return await self.handler.on_event_auth(origin, context, event_id)
class FederationSendJoinServlet(BaseFederationServlet):
class FederationV1SendJoinServlet(BaseFederationServlet):
PATH = "/send_join/(?P<context>[^/]*)/(?P<event_id>[^/]*)"
async def on_PUT(self, origin, content, query, context, event_id):
# TODO(paul): assert that context/event_id parsed from path actually
# match those given in content
content = await self.handler.on_send_join_request(origin, content, context)
return 200, (200, content)
class FederationV2SendJoinServlet(BaseFederationServlet):
PATH = "/send_join/(?P<context>[^/]*)/(?P<event_id>[^/]*)"
PREFIX = FEDERATION_V2_PREFIX
async def on_PUT(self, origin, content, query, context, event_id):
# TODO(paul): assert that context/event_id parsed from path actually
# match those given in content
@ -1367,8 +1389,10 @@ FEDERATION_SERVLET_CLASSES = (
FederationMakeJoinServlet,
FederationMakeLeaveServlet,
FederationEventServlet,
FederationSendJoinServlet,
FederationSendLeaveServlet,
FederationV1SendJoinServlet,
FederationV2SendJoinServlet,
FederationV1SendLeaveServlet,
FederationV2SendLeaveServlet,
FederationV1InviteServlet,
FederationV2InviteServlet,
FederationQueryAuthServlet,