From 9473ebb9e7db9e3f71b341f72ae004db3a0144b8 Mon Sep 17 00:00:00 2001 From: David Robertson Date: Tue, 1 Nov 2022 11:47:09 +0000 Subject: [PATCH] Revert "Fix event size checks (#13710)" This reverts commit fab495a9e1442d99e922367f65f41de5eaa488eb. As noted in https://github.com/matrix-org/synapse/pull/13710#issuecomment-1298396007: > We want to see this change land for the protocol's sake (and plan to un-revert it) but want to give this a little more time before releasing this. --- changelog.d/13710.bugfix | 1 - synapse/event_auth.py | 10 +++++----- 2 files changed, 5 insertions(+), 6 deletions(-) delete mode 100644 changelog.d/13710.bugfix diff --git a/changelog.d/13710.bugfix b/changelog.d/13710.bugfix deleted file mode 100644 index 4c318d15f..000000000 --- a/changelog.d/13710.bugfix +++ /dev/null @@ -1 +0,0 @@ -Fix a long-standing bug where Synapse would count codepoints instead of bytes when validating the size of some fields. diff --git a/synapse/event_auth.py b/synapse/event_auth.py index 503660403..bab31e33c 100644 --- a/synapse/event_auth.py +++ b/synapse/event_auth.py @@ -342,15 +342,15 @@ def check_state_dependent_auth_rules( def _check_size_limits(event: "EventBase") -> None: - if len(event.user_id.encode("utf-8")) > 255: + if len(event.user_id) > 255: raise EventSizeError("'user_id' too large") - if len(event.room_id.encode("utf-8")) > 255: + if len(event.room_id) > 255: raise EventSizeError("'room_id' too large") - if event.is_state() and len(event.state_key.encode("utf-8")) > 255: + if event.is_state() and len(event.state_key) > 255: raise EventSizeError("'state_key' too large") - if len(event.type.encode("utf-8")) > 255: + if len(event.type) > 255: raise EventSizeError("'type' too large") - if len(event.event_id.encode("utf-8")) > 255: + if len(event.event_id) > 255: raise EventSizeError("'event_id' too large") if len(encode_canonical_json(event.get_pdu_json())) > MAX_PDU_SIZE: raise EventSizeError("event too large")