author | Kim Alvefur <zash@zash.se> |
Wed, 03 Mar 2021 11:43:38 +0100 | |
changeset 4494 | cf2bdb2aaa57 |
parent 863 | efa9c1676d1f |
child 1593 | 3e4d15ae2133 |
child 5415 | b3158647cb36 |
permissions | -rw-r--r-- |
861
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
1 |
-- HTTP Strict Transport Security |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
2 |
-- https://tools.ietf.org/html/rfc6797 |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
3 |
|
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
4 |
module:set_global(); |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
5 |
|
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
6 |
local http_server = require "net.http.server"; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
7 |
|
863
efa9c1676d1f
mod_strict_https: Correct underscore to hypen in max-age directive
Kim Alvefur <zash@zash.se>
parents:
861
diff
changeset
|
8 |
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" |
861
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
9 |
|
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
10 |
local _old_send_response; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
11 |
local _old_fire_event; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
12 |
|
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
13 |
local modules = {}; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
14 |
|
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
15 |
function module.load() |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
16 |
_old_send_response = http_server.send_response; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
17 |
function http_server.send_response(response, body) |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
18 |
response.headers.strict_transport_security = hsts_header; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
19 |
return _old_send_response(response, body); |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
20 |
end |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
21 |
|
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
22 |
_old_fire_event = http_server._events.fire_event; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
23 |
function http_server._events.fire_event(event, payload) |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
24 |
local request = payload.request; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
25 |
local host = event:match("^[A-Z]+ ([^/]+)"); |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
26 |
local module = modules[host]; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
27 |
if module and not request.secure then |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
28 |
payload.response.headers.location = module:http_url(request.path); |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
29 |
return 301; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
30 |
end |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
31 |
return _old_fire_event(event, payload); |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
32 |
end |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
33 |
end |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
34 |
function module.unload() |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
35 |
http_server.send_response = _old_send_response; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
36 |
http_server._events.fire_event = _old_fire_event; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
37 |
end |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
38 |
function module.add_host(module) |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
39 |
local http_host = module:get_option_string("http_host", module.host); |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
40 |
modules[http_host] = module; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
41 |
function module.unload() |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
42 |
modules[http_host] = nil; |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
43 |
end |
1b34c8e46ffb
mod_strict_https: New module implementing HTTP Strict Transport Security
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
44 |
end |