From 793f261b626be09c50c5b67b3dba56c97e0ce979 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Thu, 22 Oct 2020 11:03:59 -0400
Subject: Handle case where server does not return body

This was causing a nil pointer dereference before.

Fixes ~migadu/alps#121.
---
 plugins/base/imap.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/plugins/base/imap.go b/plugins/base/imap.go
index db9a3f5..16bd2ef 100644
--- a/plugins/base/imap.go
+++ b/plugins/base/imap.go
@@ -510,7 +510,12 @@ func getMessagePart(conn *imapclient.Client, mboxName string, uid uint32, partPa
 		return nil, nil, fmt.Errorf("server didn't return message")
 	}
 
-	headerReader := bufio.NewReader(msg.GetBody(&partHeaderSection))
+	body := msg.GetBody(&partHeaderSection)
+	if body == nil {
+		return nil, nil, fmt.Errorf("server didn't return message")
+	}
+
+	headerReader := bufio.NewReader(body)
 	h, err := textproto.ReadHeader(headerReader)
 	if err != nil {
 		return nil, nil, fmt.Errorf("failed to read part header: %v", err)
-- 
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