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net.http.server: Don't send Content-Length on 1xx/204 responses, per RFC (fixes #1596)

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Matthew Wild 2020-10-13 11:55:28 +01:00
parent fb63187afc
commit 518904b66c
1 changed files with 4 additions and 1 deletions
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5
net/http/server.lua
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@ -295,7 +295,10 @@ _M.prepare_header = prepare_header;
function _M.send_response(response, body) function _M.send_response(response, body)
if response.finished then return; end if response.finished then return; end
body = body or response.body or ""; 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); local output = prepare_header(response);
t_insert(output, body); t_insert(output, body);
response.conn:write(t_concat(output)); response.conn:write(t_concat(output));