Annotate

mod_http_status/mod_http_status.lua @ 5702:e274431bf4ce

mod_http_status: Add IP allowlisting capabilities Based on mod_http_openmetrics
author Kim Alvefur <zash@zash.se>
date Wed, 25 Oct 2023 17:18:50 +0200
parent 5161:6af2d74daa15
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1 module:set_global();
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2
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3 local json = require "util.json";
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4 local datetime = require "util.datetime".datetime;
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5 local ip = require "util.ip";
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6
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7 local modulemanager = require "core.modulemanager";
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8
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9 local permitted_ips = module:get_option_set("http_status_allow_ips", { "::1", "127.0.0.1" });
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10 local permitted_cidr = module:get_option_string("http_status_allow_cidr");
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11
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12 local function is_permitted(request)
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13 local ip_raw = request.ip;
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14 if permitted_ips:contains(ip_raw) or
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15 (permitted_cidr and ip.match(ip.new_ip(ip_raw), ip.parse_cidr(permitted_cidr))) then
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16 return true;
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17 end
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18 return false;
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19 end
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20
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21 module:provides("http", {
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22 route = {
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23 GET = function(event)
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24 local request, response = event.request, event.response;
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25 if not is_permitted(request) then
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26 return 403; -- Forbidden
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27 end
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28 response.headers.content_type = "application/json";
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29
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30 local resp = { ["*"] = true };
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31
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32 for host in pairs(prosody.hosts) do
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33 resp[host] = true;
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34 end
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35
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36 for host in pairs(resp) do
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37 local hostmods = {};
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38 local mods = modulemanager.get_modules(host);
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39 for mod_name, mod in pairs(mods) do
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40 hostmods[mod_name] = {
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41 type = mod.module.status_type;
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42 message = mod.module.status_message;
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43 time = datetime(math.floor(mod.module.status_time));
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44 };
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45 end
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46 resp[host] = hostmods;
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47 end
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48
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49 return json.encode(resp);
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50 end;
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51 };
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52 });