-- Copyright (C) 2009 Thilo Cestonaro
--
-- This file is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local st = require "util.stanza";
local is_admin = require "core.usermanager".is_admin;
local commands = {};
module:add_feature("http://jabber.org/protocol/commands");
module:hook("iq/host/http://jabber.org/protocol/disco#items:query", function (event)
local origin, stanza = event.origin, event.stanza;
local privileged = is_admin(event.stanza.attr.from) or is_admin(stanza.attr.from, stanza.attr.to); -- TODO: Is this correct, or should is_admin be changed?
if stanza.attr.type == "get" and stanza.tags[1].attr.node and stanza.tags[1].attr.node == "http://jabber.org/protocol/commands" then
reply = st.reply(stanza);
reply:tag("query", {xmlns="http://jabber.org/protocol/disco#items", node="http://jabber.org/protocol/commands"})
for i = 1, #commands do
-- module:log("info", "adding command %s", commands[i].name);
if (commands[i].permission == "admin" and privileged) or (commands[i].permission == "user") then
reply:tag("item", {name=commands[i].name, node=commands[i].node, jid=module:get_host()});
reply:up();
end
end
origin.send(reply);
return true;
end
end, 500);
module:hook("iq/host", function (event)
local origin, stanza = event.origin, event.stanza;
if stanza.attr.type == "set" and stanza.tags[1] and stanza.tags[1].name == "command" then
local node = stanza.tags[1].attr.node
local privileged = is_admin(event.stanza.attr.from) or is_admin(stanza.attr.from, stanza.attr.to); -- TODO: Is this correct, or should is_admin be changed?
for i = 1, #commands do
if commands[i].node == node then
-- check whether user has permission to execute this command first
if commands[i].permission == "admin" and not privileged then
origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to execute this command"):up()
:add_child(commands[i]:cmdtag("canceled")
:tag("note", {type="error"}):text("You don't have permission to execute this command")));
return true
end
-- User has permission now execute the command
return commands[i].handler(commands[i], origin, stanza);
end
end
end
end, 500);
module:hook("item-added/adhoc", function (event)
commands[ # commands + 1] = event.item;
end, 500);
local _G = _G;
local t_remove = _G.table.remove;
module:hook("item-removed/adhoc", function (event)
for i = 1, #commands do
if commands[i].node == event.item.node then
t_remove(commands, i);
break;
end
end
end, 500);