presign: fix directory lists for empty prefix values (bucket root)

1 files changed, 3 insertions, 3 deletions

diff --git a/pipkin.go b/pipkin.go
index f8896ce..575d22e 100644
--- a/pipkin.go
+++ b/pipkin.go
@@ -72,7 +72,7 @@ type Contents struct {
 }
 
 // Headers we receive from clients and forward on to S3 endpoints.
-var ALLOWED_REQUEST_HEADERS = []string{
+var ALLOWED_REQUEST_HEADERS = [...]string{
 	"accept",
 	"accept-encoding",
 	"accept-language",
@@ -90,7 +90,7 @@ var ALLOWED_REQUEST_HEADERS = []string{
 }
 
 // Headers we receive from S3 and send back to requesting clients.
-var ALLOWED_RESPONSE_HEADERS = []string{
+var ALLOWED_RESPONSE_HEADERS = [...]string{
 	"accept-ranges",
 	"content-encoding",
 	"content-length",
@@ -350,7 +350,7 @@ func (pk *Pipkin) presignQuery(method string, host Host, key string) (string, er
 	uri.Add("X-Amz-Date", amzDateLong)
 	uri.Add("X-Amz-Expires", amzExpires)
 	uri.Add("X-Amz-SignedHeaders", amzSignedHeaders)
-	if amzPrefix != "" {
+	if strings.HasSuffix(amzResource, "/") {
 		uri.Add("list-type", "2")
 		uri.Add("max-keys", "50000")
 		uri.Add("prefix", amzPrefix)