File

mod_jid_prep/mod_jid_prep.lua @ 4813:0a257d1402c3

mod_muc_rtbl: Optimize case with zero hashes On the assumption that during quiet times between torrents of spam, the hash set would be empty. There would be no point in doing the operations and hashes to check for a match in that case.
author Kim Alvefur <zash@zash.se>
date Mon, 06 Dec 2021 18:19:19 +0100
parent 1404:99cb06b31ae8
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-- Run JIDs through stringprep processing on behalf of clients
-- http://xmpp.org/extensions/inbox/jidprep.html

local jid_prep = require "util.jid".prep;
local st = require "util.stanza";

local xmlns_prep = "urn:xmpp:jidprep:0";

module:add_feature(xmlns_prep);

function prep_jid(event)
	local stanza = event.stanza;
	local jid = jid_prep(stanza:get_child_text("jid", xmlns_prep));
	if not jid then
		return event.origin.send(st.error_reply(stanza, "modify", "jid-malformed"));
	end
	return event.origin.send(st.reply(stanza):tag("jid", { xmlns = xmlns_prep }):text(jid));
end


module:hook("iq/host/"..xmlns_prep..":jid", prep_jid);

module:depends("http");
module:provides("http", {
	route = {
		["GET /*"] = function (event, jid)
			return jid_prep(jid) or 400;
		end;
	}
});