From 33a27bf9d2c73c45af29b231ee450d2fe26f725b Mon Sep 17 00:00:00 2001
From: George Thomas <gthomas@brandwatch.com>
Date: Thu, 1 Aug 2024 14:05:48 +0100
Subject: [PATCH] fix: pass ip version to blocklist check to ensure ipv6
 accepted

---
 src/index.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index 3e27ee8..1fe72b4 100644
--- a/src/index.js
+++ b/src/index.js
@@ -40,7 +40,9 @@ const getMiddleware = () => (req, res, next) => {
                        || req.socket.remoteAddress || req.connection.socket.remoteAddress;
 
   // Only expect private IPs from this range
-  if (!blocklist.check(requestingIP)) {
+  const ipVerion = net.isIPv6(requestingIP) ? 'ipv6' : 'ipv4';
+
+  if (!blocklist.check(requestingIP, ipVerion)) {
     // eslint-disable-next-line no-console
     console.debug(`Blocking request from ${requestingIP}`);