Software /
code /
prosody
File
plugins/mod_private.lua @ 10794:4585fe53e21f
MUC: Enforce strict resourceprep when registering room nicknames
If nickname enforcement is enabled this would otherwise let you bypass
the join check in muc.lib by registering an invalid nickname and then
joining with any nickname, letting register.lib change it to the invalid
registered nick.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 02 May 2020 20:12:41 +0200 (2020-05-02) |
parent | 9228:e2e2aa76ea31 |
child | 12977:74b9e05af71e |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local st = require "util.stanza" local private_storage = module:open_store("private", "map"); module:add_feature("jabber:iq:private"); module:hook("iq/self/jabber:iq:private:query", function(event) local origin, stanza = event.origin, event.stanza; local query = stanza.tags[1]; if #query.tags ~= 1 then origin.send(st.error_reply(stanza, "modify", "bad-format")); return true; end local tag = query.tags[1]; local key = tag.name..":"..tag.attr.xmlns; if stanza.attr.type == "get" then local data, err = private_storage:get(origin.username, key); if data then origin.send(st.reply(stanza):query("jabber:iq:private"):add_child(st.deserialize(data))); elseif err then origin.send(st.error_reply(stanza, "wait", "internal-server-error", err)); else origin.send(st.reply(stanza):add_child(query)); end return true; else -- stanza.attr.type == "set" local data; if #tag ~= 0 then data = st.preserialize(tag); end -- TODO delete datastore if empty local ok, err = private_storage:set(origin.username, key, data); if not ok then origin.send(st.error_reply(stanza, "wait", "internal-server-error", err)); return true; end origin.send(st.reply(stanza)); return true; end end);