-- XEP-0377: Spam Reporting for Prosody

-- Copyright (C) 2016-2021 Kim Alvefur

--

-- This file is MIT/X11 licensed.

local jid_prep = require "util.jid".prep;

module:depends("blocklist");

module:add_feature("urn:xmpp:reporting:0");

module:add_feature("urn:xmpp:reporting:reason:spam:0");

module:add_feature("urn:xmpp:reporting:reason:abuse:0");

module:add_feature("urn:xmpp:reporting:1");

module:hook("iq-set/self/urn:xmpp:blocking:block", function (event)

	for item in event.stanza.tags[1]:childtags("item") do

		local report = item:get_child("report", "urn:xmpp:reporting:0") or item:get_child("report", "urn:xmpp:reporting:1");

		local jid = jid_prep(item.attr.jid);

		if report and jid then

			local report_type, reason;

			if report.attr.xmlns == "urn:xmpp:reporting:0" then

				report_type = report:get_child("spam") and "spam" or report:get_child("abuse") and "abuse" or "unknown";

				reason = report:get_child_text("text");

			elseif report.attr.xmlns == "urn:xmpp:reporting:1" then

				report_type = "unknown";

				if report.attr.reason == "urn:xmpp:reporting:abuse" then

					report_type = "abuse";

				end

				if report.attr.reason == "urn:xmpp:reporting:spam" then

					report_type = "spam";

				end

				reason = report:get_child_text("text");

			end

			if report_type then

				module:log("warn", "Received report of %s from JID '%s', %s", report_type, jid, reason or "no reason given");

				module:fire_event(module.name.."/"..report_type.."-report", {

					origin = event.origin, stanza = event.stanza, jid = jid,

					item = item, report = report, reason = reason, });

			end

		end

	end

end, 1);