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feat: harden gateway reply remap and leaf loop transparency

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This commit is contained in:
Joseph Doherty
2026-02-23 14:40:07 -05:00
parent d83b37fec1
commit 958c4aa8ed
5 changed files with 70 additions and 10 deletions
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4
src/NATS.Server/NatsServer.cs
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@@ -879,6 +879,8 @@ public sealed class NatsServer : IMessageRouter, ISubListAccess, IDisposable
var replyTo = message.ReplyTo;
if (ReplyMapper.TryRestoreGatewayReply(replyTo, out var restoredReply))
replyTo = restoredReply;
else if (ReplyMapper.HasGatewayReplyPrefix(replyTo))
replyTo = null;
DeliverRemoteMessage(message.Account, message.Subject, replyTo, message.Payload);
}
@@ -891,6 +893,8 @@ public sealed class NatsServer : IMessageRouter, ISubListAccess, IDisposable
var subject = message.Subject;
if (LeafLoopDetector.TryUnmark(subject, out var unmarked))
subject = unmarked;
else if (LeafLoopDetector.HasLoopMarker(subject))
return;
DeliverRemoteMessage(message.Account, subject, message.ReplyTo, message.Payload);
}