From 899013ca5b699ed47a540c0e244cc2829263fc33 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Sun, 21 Dec 2025 18:07:19 +0100
Subject: [PATCH] Defence in depth for adding directories to the zip

Found while debugging the MathJax issue (https://github.com/DOMjudge/domjudge/pull/3276),

MathJax requires the `mathjaxfonts` to be specified in the config. We parse that URL and try to add that
directory to the zip which fails.
---
 webapp/src/Service/DOMJudgeService.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/webapp/src/Service/DOMJudgeService.php b/webapp/src/Service/DOMJudgeService.php
index 994a8c407a..fca9cd5eb8 100644
--- a/webapp/src/Service/DOMJudgeService.php
+++ b/webapp/src/Service/DOMJudgeService.php
@@ -1574,6 +1574,10 @@ public function getScoreboardZip(
             if ($filepath === false) {
                 throw new Exception("Could not find (possibly symlinked) file: " . $file . ", at: " . $publicPath);
             }
+            if (!in_array(filetype($filepath), ['file', 'link'])) {
+                // Ignore special filetypes
+                continue;
+            }
             if (!(str_starts_with($filepath, $publicPath) ||
                   str_starts_with($filepath, $this->vendorDir) ||
                   str_starts_with($filepath, $this->nodeModulesDir))