From d80fcf2e62e4610dea0249c3fe3b521f4da820fb Mon Sep 17 00:00:00 2001
From: Orazio <22700499+orazioedoardo@users.noreply.github.com>
Date: Wed, 27 Mar 2024 22:10:12 +0100
Subject: [PATCH] More checks when downloading from file:// scheme

Signed-off-by: Orazio <22700499+orazioedoardo@users.noreply.github.com>
---
 gravity.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gravity.sh b/gravity.sh
index ccb082e2..636cde0d 100755
--- a/gravity.sh
+++ b/gravity.sh
@@ -567,14 +567,14 @@ gravity_DownloadBlocklistFromUrl() {
   if [[ $url == "file://"* ]]; then
     # Get the file path
     file_path=$(echo "$url" | cut -d'/' -f3-)
-    # Check if the file exists
-    if [[ ! -e $file_path ]]; then
+    # Check if the file exists and is a regular file (i.e. not a socket, fifo, tty, block). Might still be a symlink.
+    if [[ ! -f $file_path ]]; then
       # Output that the file does not exist
       echo -e "${OVER}  ${CROSS} ${file_path} does not exist"
       download=false
     else
-      # Check if the file has a+r permissions
-      permissions=$(stat -c "%a" "$file_path")
+      # Check if the file or a file referenced by the symlink has a+r permissions
+      permissions=$(stat -L -c "%a" "$file_path")
       if [[ $permissions == *4 || $permissions == *5 || $permissions == *6 || $permissions == *7 ]]; then
         # Output that we are using the local file
         echo -e "${OVER}  ${INFO} Using local file ${file_path}"