prosody-modules
b04518fa0987
mod_report_tracker/mod_report_tracker.lua

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mod_report_tracker/mod_report_tracker.lua @ 6063:b04518fa0987

mod_report_tracker: Keep track of spam/abuse reports about local JIDs
author Matthew Wild <mwild1@gmail.com>
date Mon, 25 Nov 2024 13:12:20 +0000
child 6064:765e0235c202
comparison
equal deleted inserted replaced
6062:fb2ba31a4e26 6063:b04518fa0987
1 local um = require "core.usermanager";
2 local jid = require "util.jid";
3
4 local trusted_reporters = module:get_option_inherited_set("trusted_reporters", {});
5
6 local reports_received = module:open_store("reports_received");
7
8 local xmlns_reporting = "urn:xmpp:reporting:1";
9
10 local function is_trusted_reporter(reporter_jid)
11 return trusted_reporters:contains(reporter_jid);
12 end
13
14 function handle_report(event)
15 local stanza = event.stanza;
16 local report = stanza:get_child("report", xmlns_reporting);
17 if not report then
18 return;
19 end
20 local reported_jid = report:get_child_text("jid", "urn:xmpp:jid:0")
21 or stanza:find("{urn:xmpp:forward:0}forwarded/{jabber:client}message@from");
22 if not reported_jid then
23 module:log("debug", "Discarding report with no JID");
24 return;
25 elseif jid.host(reported_jid) ~= module.host then
26 module:log("debug", "Discarding report about non-local user");
27 return;
28 end
29
30 local reporter_jid = stanza.attr.from;
31 if jid.node(reporter_jid) then
32 module:log("debug", "Discarding report from non-server JID");
33 return;
34 end
35
36 local reported_user = jid.node(reported_jid);
37 if not um.user_exists(reported_user, module.host) then
38 module:log("debug", "Discarding report about non-existent user");
39 return;
40 end
41
42 if is_trusted_reporter(reporter_jid) then
43 local current_reports = reports_received:get(reported_user, reporter_jid);
44
45 if not current_reports then
46 current_reports = {
47 first = os.time();
48 last = os.time();
49 count = 1;
50 };
51 else
52 current_reports.last = os.time();
53 current_reports.count = current_reports.count + 1;
54 end
55
56 reports_received:set(reported_user, reporter_jid, current_reports);
57
58 module:log("info", "Received abuse report about <%s> from <%s>", reported_jid, reporter_jid);
59
60 module:fire_event(module.name.."/account-reported", {
61 report_from = reporter_jid;
62 reported_user = reported_user;
63 report = report;
64 });
65 else
66 module:log("warn", "Discarding abuse report about <%s> from untrusted source <%s>", reported_jid, reporter_jid);
67 end
68
69 -- Message was handled
70 return true;
71 end
72
73 module:hook("message/host", handle_report);