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-- 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 adhoc_handle_cmd = module:require "adhoc".handle_cmd;
local xmlns_cmd = "http://jabber.org/protocol/commands";
local xmlns_disco = "http://jabber.org/protocol/disco";
local commands = {};
module:add_feature(xmlns_cmd);
module:hook("iq/host/"..xmlns_disco.."#items:query", function (event)
local origin, stanza = event.origin, event.stanza;
local privileged = is_admin(stanza.attr.from, stanza.attr.to);
if stanza.attr.type == "get" and stanza.tags[1].attr.node
and stanza.tags[1].attr.node == xmlns_cmd then
reply = st.reply(stanza);
reply:tag("query", { xmlns = xmlns_disco.."#items",
node = xmlns_cmd });
for node, command in pairs(commands) do
if (command.permission == "admin" and privileged)
or (command.permission == "user") then
reply:tag("item", { name = command.name,
node = 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
-- TODO: Is this correct, or should is_admin be changed?
local privileged = is_admin(event.stanza.attr.from)
or is_admin(stanza.attr.from, stanza.attr.to);
if commands[node] then
if commands[node].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[node]: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 adhoc_handle_cmd(commands[node], origin, stanza);
end
end
end, 500);
local function handle_item_added(item)
commands[item.node] = item;
end
module:hook("item-added/adhoc", function (event)
return handle_item_added(event.item);
end, 500);
module:hook("item-removed/adhoc", function (event)
commands[event.item.node] = nil;
end, 500);
-- Pick up any items that are already added
for _, item in ipairs(module:get_host_items("adhoc")) do
handle_item_added(item);
end
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