stale sessions not deleting

src/logging/logging.go

@@ -1,7 +1,6 @@
 package logging
 
 import (
-	"fmt"
 	"log"
 )
 
@@ -38,7 +37,7 @@ func Infof(message string, v ...any) {
 	if currentLevel > InfoLevel {
 		return
 	}
-	log.Printf("Info: %s", fmt.Sprintf(message, v...))
+	log.Printf("Info: "+message, v...)
 }
 
 func Debug(message string) {
@@ -52,7 +51,7 @@ func Debugf(message string, v ...any) {
 	if currentLevel > DebugLevel {
 		return
 	}
-	log.Printf("Debug: %s", fmt.Sprintf(message, v...))
+	log.Printf("Debug: "+message, v...)
 }
 
 func Warn(message string) {
@@ -66,7 +65,7 @@ func Warnf(message string, v ...any) {
 	if currentLevel > WarnLevel {
 		return
 	}
-	log.Printf("Warn: %s", fmt.Sprintf(message, v...))
+	log.Printf("Warn: "+message, v...)
 }
 
 func Error(message string) {
@@ -80,7 +79,7 @@ func Errorf(message string, v ...any) {
 	if currentLevel > ErrorLevel {
 		return
 	}
-	log.Printf("Error: %s", fmt.Sprintf(message, v...))
+	log.Printf("Error: "+message, v...)
 }
 
 func Fatal(message string) {

src/main/main.go

@@ -228,10 +228,11 @@ func logoutHandler(w http.ResponseWriter, r *http.Request) {
 	if exist {
 		if r.FormValue("csrf_token") != sessionData.CSRFToken {
 			http.Error(w, "Unable to log user out", http.StatusForbidden)
-			log.Printf("%s attempted to logout with invalid csrf token", sessionData.data.Username)
+			logging.Debugf("%s attempted to logout with invalid csrf token", sessionData.data.Username)
 			return
 		}
 	}
+	logging.Infof("handling logout event for %s", sessionData.data.Username)
 
 	deleteSession(token)
 	http.Redirect(w, r, "/login", http.StatusSeeOther)
@@ -289,9 +290,9 @@ func logoHandler(w http.ResponseWriter, r *http.Request) {
 }
 
 func cleanupSessions() {
-	sessionMutex.Lock()
-	defer sessionMutex.Unlock()
+	logging.Debug("Cleaning up stale session\n")
 
+	sessionMutex.Lock()
 	sessions_to_delete := []string{}
 	for session_token, session_data := range sessions {
 		timeUntilRemoval := time.Minute * 5
@@ -302,8 +303,9 @@ func cleanupSessions() {
 			sessions_to_delete = append(sessions_to_delete, session_token)
 		}
 	}
+	sessionMutex.Unlock()
 	for _, session_id := range sessions_to_delete {
-		delete(sessions, session_id)
+		deleteSession(session_id)
 	}
 }