From 78e294e98e578da9ae047a09620123895333762e Mon Sep 17 00:00:00 2001
From: the-djmaze <>
Date: Tue, 28 Mar 2023 10:02:49 +0200
Subject: [PATCH] Check if $rImapLiteralStream is open resource and not closed

---
 .../v/0.0.0/app/libraries/MailSo/Imap/Traits/ResponseParser.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Traits/ResponseParser.php b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Traits/ResponseParser.php
index f9a6c5999..3bcf37bd6 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Traits/ResponseParser.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/Traits/ResponseParser.php
@@ -389,7 +389,7 @@ trait ResponseParser
 			$this->writeLogException($oException, \LOG_NOTICE, false);
 		}
 
-		if ($rImapLiteralStream) {
+		if (\is_resource($rImapLiteralStream)) {
 			$iNotReadLiteralLen = 0;
 
 			$bFeof = \feof($rImapLiteralStream);