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annotate mod_strict_https/mod_strict_https.lua @ 5406:b86d80e21c60

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mod_http_oauth2: Validate consistency of response and grant types Ensure that these correlated fields make sense per RFC 7591 ยง 2.1, even though we currently only check the response type during authorization. This could probably all be deleted if (when!) we remove the implicit grant, since then these things don't make any sense anymore.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:34:31 +0200
parents efa9c1676d1f
children b3158647cb36
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1b34c8e46ffb mod_strict_https: New module implementing HTTP Strict Transport Security
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1 -- HTTP Strict Transport Security
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2 -- https://tools.ietf.org/html/rfc6797
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4 module:set_global();
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6 local http_server = require "net.http.server";
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7
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efa9c1676d1f mod_strict_https: Correct underscore to hypen in max-age directive
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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"
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9
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10 local _old_send_response;
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11 local _old_fire_event;
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12
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13 local modules = {};
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14
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15 function module.load()
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16 _old_send_response = http_server.send_response;
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17 function http_server.send_response(response, body)
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18 response.headers.strict_transport_security = hsts_header;
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19 return _old_send_response(response, body);
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20 end
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22 _old_fire_event = http_server._events.fire_event;
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23 function http_server._events.fire_event(event, payload)
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24 local request = payload.request;
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25 local host = event:match("^[A-Z]+ ([^/]+)");
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26 local module = modules[host];
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27 if module and not request.secure then
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28 payload.response.headers.location = module:http_url(request.path);
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29 return 301;
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30 end
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31 return _old_fire_event(event, payload);
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32 end
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33 end
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34 function module.unload()
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35 http_server.send_response = _old_send_response;
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36 http_server._events.fire_event = _old_fire_event;
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37 end
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38 function module.add_host(module)
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39 local http_host = module:get_option_string("http_host", module.host);
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40 modules[http_host] = module;
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41 function module.unload()
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42 modules[http_host] = nil;
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43 end
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44 end