From: Vsevolod Stakhov <vsevolod@rspamd.com>
Date: Mon, 2 Dec 2024 14:37:15 +0000 (+0000)
Subject: [Minor] Try to stringify meta headers
X-Git-Tag: 3.11.0~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56595fc1098ee90155f6dc7d5546fc691be95c9c;p=thirdparty%2Frspamd.git

[Minor] Try to stringify meta headers

Issue: #5237
---

diff --git a/src/plugins/lua/metadata_exporter.lua b/src/plugins/lua/metadata_exporter.lua
index e97dc8664d..de27a64aa5 100644
--- a/src/plugins/lua/metadata_exporter.lua
+++ b/src/plugins/lua/metadata_exporter.lua
@@ -325,7 +325,7 @@ local pushers = {
         if type(v) == 'table' then
           hdrs[pfx .. k] = ucl.to_format(v, 'json-compact')
         else
-          hdrs[pfx .. k] = rspamd_util.mime_header_encode(v)
+          hdrs[pfx .. k] = rspamd_util.mime_header_encode(tostring(v) or '')
         end
       end
     end