From 9b0d448698bfceb9655dcf1e9d39e620c0f403a8 Mon Sep 17 00:00:00 2001
From: kamkow1 <kamkow1@gmail.com>
Date: Sun, 22 Jun 2025 20:42:18 +0200
Subject: [PATCH] Mutex around cleaners map

---
 lts.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lts.go b/lts.go
index bcbc666..039be92 100644
--- a/lts.go
+++ b/lts.go
@@ -122,6 +122,7 @@ type Cleaner struct {
 }
 
 var cleaners map[string]Cleaner = map[string]Cleaner{}
+var cleanersMutex sync.Mutex
 
 func handleUpload(w http.ResponseWriter, r *http.Request) {
 	limit := int64(10737418240) // 10GiB
@@ -188,10 +189,12 @@ func handleUpload(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		log.Println("Could not start cleaner daemon: ", err)
 	}
+	cleanersMutex.Lock()
 	cleaners[bare_name] = Cleaner{
 		Timeout: Timeout{ H: hours, M: mins, S: secs },
 		SpawnTime: time.Now().Unix(),
 	}
+	cleanersMutex.Unlock()
 }
 
 func handleHome(w http.ResponseWriter, r *http.Request) {
@@ -231,11 +234,12 @@ func handleBrowse(w http.ResponseWriter, r *http.Request) {
 			info.ModTime().Day(), info.ModTime().Month().String(), info.ModTime().Year(),
 			info.ModTime().Hour(), info.ModTime().Minute(), info.ModTime().Second(),
 		)
+		cleanersMutex.Lock()
 		cleaner, _ := cleaners[e.Name()]
 		total := cleaner.Timeout.S + cleaner.Timeout.M*60 + cleaner.Timeout.H*60*60
 		now := time.Now().Unix()
-		fmt.Println(cleaner.SpawnTime + total - now)
 		timeleft_unix := time.Unix(cleaner.SpawnTime + total - now, 0)
+		cleanersMutex.Unlock()
 		timeleft := fmt.Sprintf("time left %02d:%02d:%02d",
 			timeleft_unix.Hour() - 1, timeleft_unix.Minute(), timeleft_unix.Second(),
 		)
@@ -287,6 +291,7 @@ func watchAllowedUsers() chan bool {
 				if !ok {
 					return
 				}
+				fmt.Println(event)
 				if event.Has(fsnotify.Chmod | fsnotify.Rename) {
 					reloadAllowedUsers()
 				}