File

plugins/mod_vcard4.lua @ 10921:6eb5d2bb11af

util-src: Use the luaL_pushfail API added in Lua 5.4 to highlight all failure conditions Actually just an alias of pushnil, but it does make it more obvious where the failure conditions are, which is good for readability.
author Kim Alvefur <zash@zash.se>
date Sun, 07 Jun 2020 02:25:56 +0200
parent 10707:c4b49939b471
child 12977:74b9e05af71e
line wrap: on
line source

local st = require "util.stanza"
local jid_split = require "util.jid".split;

local mod_pep = module:depends("pep");

module:hook("account-disco-info", function (event)
	event.reply:tag("feature", { var = "urn:ietf:params:xml:ns:vcard-4.0" }):up();
end);

module:hook("iq-get/bare/urn:ietf:params:xml:ns:vcard-4.0:vcard", function (event)
	local origin, stanza = event.origin, event.stanza;

	local pep_service = mod_pep.get_pep_service(jid_split(stanza.attr.to) or origin.username);
	local ok, id, item = pep_service:get_last_item("urn:xmpp:vcard4", stanza.attr.from);
	if ok and item then
		origin.send(st.reply(stanza):add_child(item.tags[1]));
	elseif id == "item-not-found" or not id then
		origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
	elseif id == "forbidden" then
		origin.send(st.error_reply(stanza, "auth", "forbidden"));
	else
		origin.send(st.error_reply(stanza, "modify", "undefined-condition"));
	end
	return true;
end);

module:hook("iq-set/self/urn:ietf:params:xml:ns:vcard-4.0:vcard", function (event)
	local origin, stanza = event.origin, event.stanza;

	local vcard4 = st.stanza("item", { xmlns = "http://jabber.org/protocol/pubsub", id = "current" })
		:add_child(stanza.tags[1]);

	local pep_service = mod_pep.get_pep_service(origin.username);

	local ok, err = pep_service:publish("urn:xmpp:vcard4", origin.full_jid, "current", vcard4);
	if ok then
		origin.send(st.reply(stanza));
	elseif err == "forbidden" then
		origin.send(st.error_reply(stanza, "auth", "forbidden"));
	else
		origin.send(st.error_reply(stanza, "modify", "undefined-condition", err));
	end
	return true;
end);