File

mod_jid_prep/mod_jid_prep.lua @ 5472:b80b6947b079

mod_http_oauth2: Always show early errors to user Before having validated the client_id, communicating an error back to the client via redirect would make this an open redirect, so we may just as well skip past that logic, and especially the warning log message.
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 13:43:17 +0200
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;
	}
});