From 036f65b179fbf64da8160942c208712e5c565f65 Mon Sep 17 00:00:00 2001
From: Cytown <cytown@gmail.com>
Date: Mon, 13 Apr 2026 23:34:44 +0800
Subject: [PATCH] bug fix for allowFrom contains empty string

---
 pkg/channels/base.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkg/channels/base.go b/pkg/channels/base.go
index bd4ced849..04220f970 100644
--- a/pkg/channels/base.go
+++ b/pkg/channels/base.go
@@ -103,6 +103,16 @@ func NewBaseChannel(
 	allowList []string,
 	opts ...BaseChannelOption,
 ) *BaseChannel {
+	isEmpty := true
+	for _, s := range allowList {
+		if s != "" {
+			isEmpty = false
+			break
+		}
+	}
+	if isEmpty {
+		allowList = []string{}
+	}
 	bc := &BaseChannel{
 		config:    config,
 		bus:       bus,