Backed out changeset 1bc2220cd6ec
The use of the error helpers creates an `<error/>` child element
containing the error condition. This is however not allowed as per
XEP-0198, which specifies that the error condition is to be a direct
child of the `<failed/>` stream management element.
This has triggered a fun reconnect loop in aioxmpp where it was
reported by a user [1].
[1]: https://github.com/horazont/aioxmpp/issues/382
-- XEP-0307: Unique Room Names for Multi-User Chat
local st = require "util.stanza";
local unique_name = require "util.id".medium;
module:add_feature "http://jabber.org/protocol/muc#unique"
module:hook("iq-get/host/http://jabber.org/protocol/muc#unique:unique", function(event)
local origin, stanza = event.origin, event.stanza;
origin.send(st.reply(stanza)
:tag("unique", {xmlns = "http://jabber.org/protocol/muc#unique"})
:text(unique_name():lower())
);
return true;
end,-1);