prosody-modules
59d5fc50f602
mod_strict_https/mod_strict_https.lua

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mod_strict_https/mod_strict_https.lua @ 5623:59d5fc50f602

mod_http_oauth2: Implement refresh token rotation Makes refresh tokens one-time-use, handing out a new refresh token with each access token. Thus if a refresh token is stolen and used by an attacker, the next time the legitimate client tries to use the previous refresh token, it will not work and the attack will be noticed. If the attacker does not use the refresh token, it becomes invalid after the legitimate client uses it. This behavior is recommended by draft-ietf-oauth-security-topics
author Kim Alvefur <zash@zash.se>
date Sun, 23 Jul 2023 02:56:08 +0200
parent 5415:f8797e3284ff
line wrap: on
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-- 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);