File

plugins/mod_vcard4.lua @ 9271:651e945ad971

mod_vcard_legacy: Handle avatar without vcard4 Since vcards are just avatar containers in many modern clients, aborting in case of no vcard4 data is not optimal. The upgrade mechanism needs further tweaks.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Sep 2018 01:04:53 +0200
parent 9261:9db9e37610b7
child 9283:e977b64ebd81
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local st = require "util.stanza"
local jid_split = require "util.jid".split;

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

module:add_feature("urn:ietf:params:xml:ns:vcard-4.0");

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 item == "item-not-found" or not id then
		origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
	elseif item == "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);