misc/systemd: Fix typo
Is this worth keeping? We also have a .service file in the debian repo?
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);