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Check m.room.create for sane room_versions

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This commit is contained in:
Richard van der Hoff 2018-08-06 15:15:19 +01:00
parent f900d50824
commit 19a17068f1
2 changed files with 32 additions and 4 deletions
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10
synapse/event_auth.py
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@ -20,7 +20,7 @@ from signedjson.key import decode_verify_key_bytes
from signedjson.sign import SignatureVerifyException, verify_signed_json
from unpaddedbase64 import decode_base64
from synapse.api.constants import EventTypes, JoinRules, Membership
from synapse.api.constants import KNOWN_ROOM_VERSIONS, EventTypes, JoinRules, Membership
from synapse.api.errors import AuthError, EventSizeError, SynapseError
from synapse.types import UserID, get_domain_from_id
@ -83,6 +83,14 @@ def check(event, auth_events, do_sig_check=True, do_size_check=True):
403,
"Creation event's room_id domain does not match sender's"
)
room_version = event.content.get("room_version", "1")
if room_version not in KNOWN_ROOM_VERSIONS:
raise AuthError(
403,
"room appears to have unsupported version %s" % (
room_version,
))
# FIXME
logger.debug("Allowing! %s", event)
return