mod_rest: Add JSON mapping of XEP-0128: Service Discovery Extensions Example XEP-0157 payload: { "disco" : { "extensions" : { "http://jabber.org/network/serverinfo" : { "abuse-addresses" : [ "mailto:abuse@shakespeare.lit", "xmpp:abuse@shakespeare.lit" ], "admin-addresses" : [ "mailto:admin@shakespeare.lit", "xmpp:admin@shakespeare.lit" ], "feedback-addresses" : [ "http://shakespeare.lit/feedback.php", "mailto:feedback@shakespeare.lit", "xmpp:feedback@shakespeare.lit" ], "sales-addresses" : [ "xmpp:bard@shakespeare.lit" ], "security-addresses" : [ "xmpp:security@shakespeare.lit" ], "support-addresses" : [ "http://shakespeare.lit/support.php", "xmpp:support@shakespeare.lit" ] } } } }

local bare_jid = require"util.jid".bare;
local st = require"util.stanza";

-- Support both old and new MUC code
local mod_muc = module:depends"muc";
local rooms = rawget(mod_muc, "rooms");
local get_room_from_jid = rawget(mod_muc, "get_room_from_jid") or
	function (jid)
		return rooms[jid];
	end

module:hook("message/full", function(event)
	local stanza, origin = event.stanza, event.origin;
	local to, from = stanza.attr.to, stanza.attr.from;
	local room = get_room_from_jid(bare_jid(to));
	local to_occupant = room and room._occupants[to];
	local from_occupant = room and room._occupants[room._jid_nick[from]]
	if not ( to_occupant and from_occupant ) then return end

	if from_occupant.affiliation then
		to_occupant._pm_block_override = true;
	elseif not from_occupant._pm_block_override then
		origin.send(st.error_reply(stanza, "cancel", "not-authorized", "Private messages are disabled"));
		return true;
	end
end, 1);