From 0de58e031a3ab7963cf89f4fb3f88fb46557853a Mon Sep 17 00:00:00 2001
From: Solderpunk <solderpunk@sdf.org>
Date: Thu, 21 Nov 2019 23:03:39 +0200
Subject: [PATCH] Only list world readable files.

---
 handler.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/handler.go b/handler.go
index 326061a..6c101ec 100644
--- a/handler.go
+++ b/handler.go
@@ -156,6 +156,10 @@ func generateDirectoryListing(path string) string {
 	}
 	listing = "# Directory listing\n\n"
 	for _, file := range files {
+		// Only list world readable files
+		if uint64(file.Mode().Perm())&0444 != 0444 {
+			continue
+		}
 		listing += fmt.Sprintf("=> %s %s\n", file.Name(), file.Name())
 	}
 	return listing