prosody-modules
6ea80b73d8f2
mod_strict_https/mod_strict_https.lua

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mod_strict_https/mod_strict_https.lua @ 6325:6ea80b73d8f2

mod_http_oauth2: Only require redirect URIs when using grant types that need it In the Device flow, no redirect URI is used because the client instead receives responses by polling. It is therefore unnecessary to enforce a requirement that these include redirect URI(s).
author Kim Alvefur <zash@zash.se>
date Thu, 03 Jul 2025 15:42:42 +0200
parent 5415:f8797e3284ff
line wrap: on
line source

-- HTTP Strict Transport Security
-- https://www.rfc-editor.org/info/rfc6797

module:set_global();

local http_server = require "net.http.server";

local hsts_header = module:get_option_string("hsts_header", "max-age=31556952"); -- This means "Don't even try to access without HTTPS for a year"
local redirect = module:get_option_boolean("hsts_redirect", true);

module:wrap_object_event(http_server._events, false, function(handlers, event_name, event_data)
	local request, response = event_data.request, event_data.response;
	if request and response then
		if request.secure then
			response.headers.strict_transport_security = hsts_header;
		elseif redirect then
			-- This won't get the port number right
			response.headers.location = "https://" .. request.host .. request.path .. (request.query and "?" .. request.query or "");
			return 301;
		end
	end
	return handlers(event_name, event_data);
end);