From 8b5f5e0881e92d0ec728cf845f3f04d8d2f941e5 Mon Sep 17 00:00:00 2001
From: Henrique Dias <hacdias@gmail.com>
Date: Thu, 20 Oct 2022 13:47:46 +0200
Subject: [PATCH] fix: add missing traversal

---
 core/corehttp/gateway_handler_codec.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/core/corehttp/gateway_handler_codec.go b/core/corehttp/gateway_handler_codec.go
index 95defa956dd..42d5b56db14 100644
--- a/core/corehttp/gateway_handler_codec.go
+++ b/core/corehttp/gateway_handler_codec.go
@@ -14,6 +14,7 @@ import (
 	"github.com/ipfs/kubo/tracing"
 	"github.com/ipld/go-ipld-prime"
 	"github.com/ipld/go-ipld-prime/multicodec"
+	"github.com/ipld/go-ipld-prime/traversal"
 	mc "github.com/multiformats/go-multicodec"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/trace"
@@ -95,6 +96,16 @@ func (i *gatewayHandler) serveCodec(ctx context.Context, w http.ResponseWriter,
 	}
 	finalNode := universal.(ipld.Node)
 
+	if len(resolvedPath.Remainder()) > 0 {
+		remainderPath := ipld.ParsePath(resolvedPath.Remainder())
+
+		finalNode, err = traversal.Get(finalNode, remainderPath)
+		if err != nil {
+			webError(w, err.Error(), err, http.StatusInternalServerError)
+			return
+		}
+	}
+
 	// Otherwise convert it using the last codec of the list.
 	encoder, err := multicodec.LookupEncoder(codecs[len(codecs)-1])
 	if err != nil {