From 3a8bd5e876a2220c93d56150b6a1e99937db197a Mon Sep 17 00:00:00 2001
From: Nicolas PERNOUD <nper.public@gmail.com>
Date: Fri, 20 Jul 2018 13:58:52 +0200
Subject: [PATCH] Allow Bcrypt $2a$ prefix

---
 htpasswd/auth.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htpasswd/auth.go b/htpasswd/auth.go
index c270512..f494dca 100644
--- a/htpasswd/auth.go
+++ b/htpasswd/auth.go
@@ -97,7 +97,7 @@ func (a *Auth) Authenticate(username, password string) (bool, error) {
 	if hash, exist := a.userHash[username]; exist {
 		h := []byte(hash)
 		p := []byte(password)
-		if strings.HasPrefix(hash, "$2y$") || strings.HasPrefix(hash, "$2b$") {
+		if strings.HasPrefix(hash, "$2y$") || strings.HasPrefix(hash, "$2b$") || strings.HasPrefix(hash, "$2a$") {
 			matchErr := bcrypt.CompareHashAndPassword(h, p)
 			return (matchErr == nil), nil
 		}