From 2c4c91f7cf6482c1524b46b84dbcf4ba5dc437a3 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 30 Jul 2019 09:03:54 +0200
Subject: [PATCH] Limit file name length

---
 app/src/main/java/eu/faircode/email/Helper.java | 9 ++++++++-
 1 file changed, 8 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 9a7c7cc464..e1c15f0981 100644
--- a/app/src/main/java/eu/faircode/email/Helper.java
+++ b/app/src/main/java/eu/faircode/email/Helper.java
@@ -528,7 +528,14 @@ public class Helper {
     static String sanitizeFilename(String name) {
         if (name == null)
             return null;
-        return name.replaceAll("[?:\"*|/\\\\<>]", "_");
+
+        name = name.replaceAll("[?:\"*|/\\\\<>]", "_");
+
+        // Both the name and extension can be long
+        if (name.length() > 255)
+            name = name.substring(0, 255);
+
+        return name;
     }
 
     static String getExtension(String filename) {