-- Register via OOB URL

-- Copyright (c) 2018 Daniel Gultsch

--

-- This module is MIT/X11 licensed

--

local st = require "util.stanza";

local namespace = "http://jabber.org/features/iq-register"

local register_stream_feature = st.stanza("register", {xmlns=namespace}):up();

local allow_registration = module:get_option_boolean("allow_registration", false);

local registration_url = module:get_option_string("register_oob_url", nil)

if allow_registration then

	module:log("info","obb registration is disabled as long as IBR is allowed. Set `allow_registration` to false")

end

if not registration_url then

	module:log("info","registration url not configured. Add `register_oob_url` to prosody.cfg")

end

local function on_stream_features(event)

	if not registration_url then

		return

	end

	local session, features = event.origin, event.features;

	if session.type == "c2s_unauthed" and not allow_registration then

		features:add_child(register_stream_feature);

	end

end

local function on_registration_requested(event)

	local session, stanza = event.origin, event.stanza

	if session.type ~= "c2s_unauthed" or stanza.attr.type ~= "get" then

		return

	end

	if not allow_registration and registration_url then

		local reply = st.reply(stanza)

		reply:query("jabber:iq:register")

			:tag("x", {xmlns = "jabber:x:oob"})

				:tag("url"):text(registration_url);

		return session.send(reply)

	end

end

module:hook("stream-features", on_stream_features)

module:hook("stanza/iq/jabber:iq:register:query", on_registration_requested, 1)

-- vim: noexpandtab tabstop=4 shiftwidth=4