From 9bbff2b6ca14040f7d039058fa9013ac19d98509 Mon Sep 17 00:00:00 2001
From: Niko PLP <niko@nextgraph.org>
Date: Sun, 25 Jun 2023 13:50:33 +0300
Subject: [PATCH] fix for XFF behind haproxy with single listener :::443 v4v6

---
 p2p-broker/src/server_ws.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/p2p-broker/src/server_ws.rs b/p2p-broker/src/server_ws.rs
index fa5bffd..9773d4b 100644
--- a/p2p-broker/src/server_ws.rs
+++ b/p2p-broker/src/server_ws.rs
@@ -111,9 +111,12 @@ fn check_xff_is_public_or_private(
             }
         }
         Some(val) => {
-            let ip_str = val
+            let mut ip_str = val
                 .to_str()
                 .map_err(|_| make_error(StatusCode::FORBIDDEN))?;
+            if ip_str.starts_with("::ffff:") {
+                ip_str = ip_str.strip_prefix("::ffff:").unwrap();
+            }
             let ip: IpAddr = ip_str
                 .parse()
                 .map_err(|_| make_error(StatusCode::FORBIDDEN))?;