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fix(multiplayer): validate ticket timestamps

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This commit is contained in:
Josh Creek
2026-09-01 22:08:19 +01:00
parent c08c761af3
commit 1e5825b096
3 changed files with 25 additions and 0 deletions
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Game/scripts/matchmaking_state.gd
+14
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@@ -53,6 +53,10 @@ func apply_ticket_update(update: Dictionary) -> bool:
return _request_resync(self.ticket_id)
if update.has("playlist") and not _valid_playlist(String(update["playlist"])):
return _request_resync(self.ticket_id)
if update.has("enqueued_at_unix") and not _valid_epoch(update["enqueued_at_unix"]):
return _request_resync(self.ticket_id)
if update.has("expires_at_unix") and not _valid_epoch(update["expires_at_unix"]):
return _request_resync(self.ticket_id)
if ticket_id.is_empty() or String(update["ticket_id"]) != ticket_id:
return _request_resync(self.ticket_id)
var incoming_revision := int(update["revision"])
@@ -98,6 +102,8 @@ func apply_ticket_update(update: Dictionary) -> bool:
func apply_proposal_update(update: Dictionary) -> bool:
if not _has_string(update, "proposal_id") or not update.has("revision") or not _valid_revision(update["revision"]) or not update.has("state"):
return _request_resync(proposal_id)
if update.has("expires_at_unix") and not _valid_epoch(update["expires_at_unix"]):
return _request_resync(proposal_id)
var incoming_id := String(update["proposal_id"])
if proposal_id.is_empty():
proposal_id = incoming_id
@@ -312,3 +318,11 @@ func _valid_revision(value: Variant) -> bool:
func _valid_playlist(value: String) -> bool:
return value == "casual" or value == "ranked"
func _valid_epoch(value: Variant) -> bool:
if value is int:
return int(value) >= 0
if value is float:
return is_finite(float(value)) and float(value) >= 0.0 and float(value) == floor(float(value))
return false