From 1c8fcd9491c5a7415ecf67b8b9469c978a80f64b Mon Sep 17 00:00:00 2001
From: Jeromy <jeromyj@gmail.com>
Date: Wed, 2 Dec 2015 20:48:37 -0800
Subject: [PATCH] fixup panic catching in http handler funcs

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>


This commit was moved from ipfs/kubo@8ad1141436dbb795e2b545378527e6f7ad96685e
---
 gateway/core/corehttp/gateway_handler.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gateway/core/corehttp/gateway_handler.go b/gateway/core/corehttp/gateway_handler.go
index 509e751de..1cc172e50 100644
--- a/gateway/core/corehttp/gateway_handler.go
+++ b/gateway/core/corehttp/gateway_handler.go
@@ -6,6 +6,7 @@ import (
 	"io"
 	"net/http"
 	gopath "path"
+	"runtime/debug"
 	"strings"
 	"time"
 
@@ -55,6 +56,14 @@ func (i *gatewayHandler) newDagFromReader(r io.Reader) (*dag.Node, error) {
 
 // TODO(btc): break this apart into separate handlers using a more expressive muxer
 func (i *gatewayHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Error("A panic occurred in the gateway handler!")
+			log.Error(r)
+			debug.PrintStack()
+		}
+	}()
+
 	if i.config.Writable {
 		switch r.Method {
 		case "POST":