From b56d29572329ee17ea04d8e268d4c7d7c096751b Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Sun, 23 Jun 2019 14:27:14 +0200
Subject: [PATCH] Relaxed file name sanitizing

---
 app/src/main/java/eu/faircode/email/Helper.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/Helper.java b/app/src/main/java/eu/faircode/email/Helper.java
index 588d6150d5..1ada206374 100644
--- a/app/src/main/java/eu/faircode/email/Helper.java
+++ b/app/src/main/java/eu/faircode/email/Helper.java
@@ -469,7 +469,11 @@ public class Helper {
     // Files
 
     static String sanitizeFilename(String name) {
-        return (name == null ? null : name.replaceAll("[^a-zA-Z0-9\\.\\-]", "_"));
+        if (name == null)
+            return null;
+        return name
+                .replace("\0", "_")
+                .replace("/", "_");
     }
 
     static String getExtension(String filename) {