Changeset

11159:de76f566159e 0.11

net.http.server: Don't send Content-Length on 1xx/204 responses, per RFC (fixes #1596)
author Matthew Wild <mwild1@gmail.com>
date Tue, 13 Oct 2020 11:55:28 +0100
parents 11157:413bd21ba449
children 11160:e9eeaefa09a7 11162:ee399a0522cc
files net/http/server.lua
diffstat 1 files changed, 4 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/net/http/server.lua	Mon Oct 12 20:21:18 2020 +0200
+++ b/net/http/server.lua	Tue Oct 13 11:55:28 2020 +0100
@@ -295,7 +295,10 @@
 function _M.send_response(response, body)
 	if response.finished then return; end
 	body = body or response.body or "";
-	response.headers.content_length = #body;
+	-- Per RFC 7230, informational (1xx) and 204 (no content) should have no c-l header
+	if response.status_code > 199 and response.status_code ~= 204 then
+		response.headers.content_length = #body;
+	end
 	local output = prepare_header(response);
 	t_insert(output, body);
 	response.conn:write(t_concat(output));