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MSC 1866 - Use M_UNSUPPORTED_ROOM_VERSION for invite API

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This commit is contained in:
Erik Johnston 2019-02-23 14:31:08 +00:00
parent d14e94bae4
commit 59e0112209
2 changed files with 26 additions and 2 deletions
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18
synapse/federation/federation_client.py
View file

@ -33,6 +33,7 @@ from synapse.api.constants import (
)
from synapse.api.errors import (
CodeMessageException,
Codes,
FederationDeniedError,
HttpResponseException,
SynapseError,
@ -792,10 +793,25 @@ class FederationClient(FederationBase):
defer.returnValue(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, we
# assume that the remote understands the v2 invite API and this
# is a legitimate error.
if err.errcode != Codes.UNKNOWN:
raise err
# Otherwise, we assume that the remote server doesn't understand
# the v2 invite API.
if room_version in (RoomVersions.V1, RoomVersions.V2):
pass # We'll fall through
else:
raise Exception("Remote server is too old")
raise SynapseError(
400,
"User's homeserver does not support this room version",
Codes.UNSUPPORTED_ROOM_VERSION,
)
elif e.code == 403:
raise e.to_synapse_error()
else:

10
synapse/federation/federation_server.py
View file

@ -25,9 +25,10 @@ from twisted.internet import defer
from twisted.internet.abstract import isIPAddress
from twisted.python import failure
from synapse.api.constants import EventTypes, Membership
from synapse.api.constants import KNOWN_ROOM_VERSIONS, EventTypes, Membership
from synapse.api.errors import (
AuthError,
Codes,
FederationError,
IncompatibleRoomVersionError,
NotFoundError,
@ -386,6 +387,13 @@ class FederationServer(FederationBase):
@defer.inlineCallbacks
def on_invite_request(self, origin, content, room_version):
if room_version not in KNOWN_ROOM_VERSIONS:
raise SynapseError(
400,
"Homeserver does not support this room version",
Codes.UNSUPPORTED_ROOM_VERSION,
)
format_ver = room_version_to_event_format(room_version)
pdu = event_from_pdu_json(content, format_ver)