Mercurial > prosody-modules
view mod_strict_https/mod_strict_https.lua @ 4764:a754f7e380b2
mod_dnsupdate: Rewrite port config vs DNS comparison code
I'm not sure if it was correct, which means it was hard to understand
and thus needed to be simplified. Hope this accomplishes that.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 08 Nov 2021 23:03:14 +0100 |
parents | efa9c1676d1f |
children | b3158647cb36 |
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-- HTTP Strict Transport Security -- https://tools.ietf.org/html/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 _old_send_response; local _old_fire_event; local modules = {}; function module.load() _old_send_response = http_server.send_response; function http_server.send_response(response, body) response.headers.strict_transport_security = hsts_header; return _old_send_response(response, body); end _old_fire_event = http_server._events.fire_event; function http_server._events.fire_event(event, payload) local request = payload.request; local host = event:match("^[A-Z]+ ([^/]+)"); local module = modules[host]; if module and not request.secure then payload.response.headers.location = module:http_url(request.path); return 301; end return _old_fire_event(event, payload); end end function module.unload() http_server.send_response = _old_send_response; http_server._events.fire_event = _old_fire_event; end function module.add_host(module) local http_host = module:get_option_string("http_host", module.host); modules[http_host] = module; function module.unload() modules[http_host] = nil; end end