From 967e86a48bfc0fd0729c366b33b74ed083f4bcfd Mon Sep 17 00:00:00 2001
From: max furman <mx.furman@gmail.com>
Date: Fri, 20 Dec 2019 13:32:44 -0800
Subject: [PATCH] Simplify trimming *. prefix of domain in acme dns validation.

---
 acme/challenge.go | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/acme/challenge.go b/acme/challenge.go
index 1c040f5d..f0180f64 100644
--- a/acme/challenge.go
+++ b/acme/challenge.go
@@ -389,10 +389,7 @@ func (dc *dns01Challenge) validate(db nosql.DB, jwk *jose.JSONWebKey, vo validat
 	// This is done to avoid making TXT lookups for domains like
 	// _acme-challenge.*.example.com
 	// Instead perform txt lookup for _acme-challenge.example.com
-	domain := dc.Value
-	if strings.HasPrefix(domain, "*") {
-		domain = strings.TrimPrefix(domain, "*.")
-	}
+	domain := strings.TrimPrefix(dc.Value, "*.")
 
 	txtRecords, err := vo.lookupTxt("_acme-challenge." + domain)
 	if err != nil {