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mod_report_forward/mod_report_forward.lua @ 5925:9ed02a4f6ff4
mod_invites_tracking: Don't bother storing anything for non-invite IBR
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 08 May 2024 12:48:41 +0100 |
parent | 5888:b5a110544fd4 |
child | 5939:db5128d1a16c |
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local dt = require "util.datetime"; local jid = require "util.jid"; local st = require "util.stanza"; local url = require "socket.url"; local new_id = require "util.id".short; local render = require"util.interpolation".new("%b{}", function (s) return s; end); module:depends("spam_reporting"); local destinations = module:get_option_set("report_forward_to", {}); local archive = module:open_store("archive", "archive"); local cache_size = module:get_option_number("report_forward_contact_cache_size", 256); local report_to_origin = module:get_option_boolean("report_forward_to_origin", true); local contact_lookup_timeout = module:get_option_number("report_forward_contact_lookup_timeout", 180); local body_template = module:get_option_string("report_forward_body_template", [[ SPAM/ABUSE REPORT ----------------- Reported JID: {reported_jid} A user on our service has reported a message originating from the above JID on your server. {reported_message_time&The reported message was sent at: {reported_message_time}} -- This message contains also machine-readable payloads, including XEP-0377, in case you want to automate handling of these reports. You can receive these reports to a different address by setting 'spam-report-addresses' in your server contact info configuration. For more information, see https://xmppbl.org/reports/ ]]):gsub("^%s+", ""):gsub("(%S)\n(%S)", "%1 %2"); local report_addresses = require "util.cache".new(cache_size); local function get_address(form, ...) for i = 1, select("#", ...) do local field_var = select(i, ...); local field = form:get_child_with_attr("field", nil, "var", field_var); if field then for value in field:childtags("value") do local parsed = url.parse(value:get_text()); if parsed.scheme == "xmpp" and parsed.path and not parsed.query then return parsed.path; end end else module:log("debug", "No field '%s'", field_var); end end end local function get_origin_report_address(reported_jid) local host = jid.host(reported_jid); local address = report_addresses:get(host); if address then return address; end local contact_query = st.iq({ type = "get", to = host, from = module.host, id = new_id() }) :query("http://jabber.org/protocol/disco#info"); return module:send_iq(contact_query, prosody.hosts[module.host], contact_lookup_timeout) :next(function (result) module:log("debug", "Processing contact form..."); local response = result.stanza; if response.attr.type ~= "result" then module:log("warn", "Failed to query contact addresses of %s: %s", host, response); return; end for form in response.tags[1]:childtags("x", "jabber:x:data") do local form_type = form:get_child_with_attr("field", nil, "var", "FORM_TYPE"); if form_type and form_type:get_child_text("value") == "http://jabber.org/network/serverinfo" then address = get_address(form, "spam-report-addresses", "abuse-addresses"); break; end end return address; end); end local function send_report(to, message) local m = st.clone(message); m.attr.to = to; module:send(m); end function forward_report(event) local reporter_username = event.origin.username; local reporter_jid = jid.join(reporter_username, module.host); local reported_jid = event.jid; local report = st.clone(event.report); report:text_tag("jid", reported_jid, { xmlns = "urn:xmpp:jid:0" }); local reported_message_id = report:get_child_with_attr( "stanza-id", "urn:xmpp:sid:0", "by", reported_jid, jid.prep ); local reported_message, reported_message_time, reported_message_with; if reported_message_id then reported_message, reported_message_time, reported_message_with = archive:get(reporter_username, reported_message_id); if jid.bare(reported_message_with) ~= event.jid then reported_message = nil; end end local body_text = render(body_template, { reporter_jid = reporter_jid; reported_jid = event.jid; reported_message_time = dt.datetime(reported_message_time); }); local message = st.message({ from = module.host, id = new_id() }) :text_tag("body", body_text) :add_child(report); if reported_message then reported_message.attr.xmlns = "jabber:client"; local fwd = st.stanza("forwarded", { xmlns = "urn:xmpp:forward:0" }) :tag("delay", { xmlns = "urn:xmpp:delay", stamp = dt.datetime(reported_message_time) }):up() :add_child(reported_message); message:add_child(fwd); end for destination in destinations do send_report(destination, message); end if report_to_origin then module:log("debug", "Sending report to origin server..."); get_origin_report_address(event.jid):next(function (origin_report_address) if not origin_report_address then module:log("warn", "Couldn't report to origin: no contact address found for %s", jid.host(event.jid)); return; end send_report(origin_report_address, message); end):catch(function (e) module:log("error", "Failed to report to origin server: %s", e); end); end end module:hook("spam_reporting/abuse-report", forward_report, -1); module:hook("spam_reporting/spam-report", forward_report, -1); module:hook("spam_reporting/unknown-report", forward_report, -1);