Remove NUL characters from file names

2026-01-15 17:19:23 +01:00 · 2020-10-29 11:50:06 +01:00
parent 70b868cc41
commit 43d7dc2c8e
1 changed files with 4 additions and 1 deletions
--- a/app/src/main/java/eu/faircode/email/Helper.java
+++ b/app/src/main/java/eu/faircode/email/Helper.java
@@ -1012,7 +1012,10 @@ public class Helper {
        if (name == null)
            return null;

-        return name.replaceAll("[?:\"*|/\\\\<>]", "_");
+        return name
+                // Canonical files names cannot contain NUL
+                .replace("\0", "")
+                .replaceAll("[?:\"*|/\\\\<>]", "_");
    }

    static String getExtension(String filename) {