From c570f24acc276e204d9fe743c2ea5c369407be08 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 16 Sep 2020 11:56:23 +0100 Subject: [PATCH 1/2] Don't assume that an event has an origin field This fixes #8319. --- synapse/federation/federation_client.py | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index 38ac7ec69..a2e8d96ea 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -54,7 +54,7 @@ from synapse.events import EventBase, builder from synapse.federation.federation_base import FederationBase, event_from_pdu_json from synapse.logging.context import make_deferred_yieldable, preserve_fn from synapse.logging.utils import log_function -from synapse.types import JsonDict +from synapse.types import JsonDict, get_domain_from_id from synapse.util import unwrapFirstError from synapse.util.caches.expiringcache import ExpiringCache from synapse.util.retryutils import NotRetryingDestination @@ -386,10 +386,11 @@ class FederationClient(FederationBase): pdu.event_id, allow_rejected=True, allow_none=True ) - if not res and pdu.origin != origin: + pdu_origin = get_domain_from_id(pdu.sender) + if not res and pdu_origin != origin: try: res = await self.get_pdu( - destinations=[pdu.origin], + destinations=[pdu_origin], event_id=pdu.event_id, room_version=room_version, outlier=outlier, From 97659b74891c7c7d792babf50d97ab5f348b7f33 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 16 Sep 2020 12:05:01 +0100 Subject: [PATCH 2/2] Newsfile --- changelog.d/8324.bugfix | 1 + 1 file changed, 1 insertion(+) create mode 100644 changelog.d/8324.bugfix diff --git a/changelog.d/8324.bugfix b/changelog.d/8324.bugfix new file mode 100644 index 000000000..32788a928 --- /dev/null +++ b/changelog.d/8324.bugfix @@ -0,0 +1 @@ +Fix fetching events from remote servers that are malformed.