From 4803a1ecbd8662f0422574afe915653da6dd1a75 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Mon, 25 Oct 2021 20:01:41 +0200
Subject: [PATCH] Prevent too long uid expunge command

---
 app/src/main/java/eu/faircode/email/Core.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/Core.java b/app/src/main/java/eu/faircode/email/Core.java
index b4e487b91d..e08ef4bab3 100644
--- a/app/src/main/java/eu/faircode/email/Core.java
+++ b/app/src/main/java/eu/faircode/email/Core.java
@@ -4057,6 +4057,7 @@ class Core {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         boolean perform_expunge = prefs.getBoolean("perform_expunge", true);
         boolean uid_expunge = prefs.getBoolean("uid_expunge", false);
+        int chunk_size = prefs.getInt("chunk_size", DEFAULT_CHUNCK_SIZE);
 
         if (!perform_expunge)
             return false;
@@ -4086,7 +4087,8 @@ class Core {
                     @Override
                     public Object doCommand(IMAPProtocol protocol) throws ProtocolException {
                         // https://datatracker.ietf.org/doc/html/rfc4315#section-2.1
-                        protocol.uidexpunge(UIDSet.createUIDSets(Helper.toLongArray(uids)));
+                        for (List<Long> list : Helper.chunkList(uids, chunk_size))
+                            protocol.uidexpunge(UIDSet.createUIDSets(Helper.toLongArray(list)));
                         return null;
                     }
                 });