# HG changeset patch # User Kim Alvefur # Date 1569258794 -7200 # Node ID 6e051bfca12d5bf88afbccd862c8ee3656d06a5f # Parent 64ddcbc9a328b1565609889007bb5904a9286d92 MUC: Enforce strict resourceprep on nicknames (bye bye robot face) diff -r 64ddcbc9a328 -r 6e051bfca12d plugins/muc/muc.lib.lua --- a/plugins/muc/muc.lib.lua Mon Sep 09 22:32:01 2019 +0200 +++ b/plugins/muc/muc.lib.lua Mon Sep 23 19:13:14 2019 +0200 @@ -444,6 +444,22 @@ end end, 1); +module:hook("muc-occupant-pre-join", function(event) + local nick = jid_resource(event.occupant.nick); + if not resourceprep(nick, true) then -- strict + event.origin.send(st.error_reply(event.stanza, "modify", "jid-malformed", "Nickname must pass strict validation")); + return true; + end +end, 2); + +module:hook("muc-occupant-pre-change", function(event) + local nick = jid_resource(event.dest_occupant.nick); + if not resourceprep(nick, true) then -- strict + event.origin.send(st.error_reply(event.stanza, "modify", "jid-malformed", "Nickname must pass strict validation")); + return true; + end +end, 2); + function room_mt:handle_first_presence(origin, stanza) local real_jid = stanza.attr.from; local dest_jid = stanza.attr.to;