1 files changed, 10 insertions, 0 deletions
diff --git a/weed/s3api/http/header.go b/weed/s3api/http/header.go
index 7579cf312..d63d50443 100644
--- a/weed/s3api/http/header.go
+++ b/weed/s3api/http/header.go
@@ -38,6 +38,7 @@ const (
 // Non-Standard S3 HTTP request constants
 const (
 	AmzIdentityId = "s3-identity-id"
+	AmzAuthType   = "s3-auth-type"
 	AmzIsAdmin    = "s3-is-admin" // only set to http request header as a context
 )
 
@@ -51,3 +52,12 @@ func GetBucketAndObject(r *http.Request) (bucket, object string) {
 
 	return
 }
+
+var PassThroughHeaders = map[string]string{
+	"response-cache-control":       "Cache-Control",
+	"response-content-disposition": "Content-Disposition",
+	"response-content-encoding":    "Content-Encoding",
+	"response-content-language":    "Content-Language",
+	"response-content-type":        "Content-Type",
+	"response-expires":             "Expires",
+}