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mod_adhoc/adhoc/mod_adhoc.lua @ 43:adc9eff8adb2

mod_adhoc, mod_adhoc_cmd_admin: Show only commands they may execute to the user
author Florian Zeitz <florob@babelmonkeys.de>
date Fri, 16 Oct 2009 01:36:04 +0200
parent 36:58d326d86a9a
child 49:59f490390528
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1 -- Copyright (C) 2009 Thilo Cestonaro
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2 --
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3 -- This file is MIT/X11 licensed. Please see the
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4 -- COPYING file in the source package for more information.
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5 --
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6
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7 local st = require "util.stanza";
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8 local is_admin = require "core.usermanager".is_admin;
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9 local commands = {};
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10
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11 module:add_feature("http://jabber.org/protocol/commands");
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12
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13 module:hook("iq/host/http://jabber.org/protocol/disco#items:query", function (event)
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14 local origin, stanza = event.origin, event.stanza;
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15 local privileged = is_admin(event.stanza.attr.from);
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16 if stanza.attr.type == "get" and stanza.tags[1].attr.node and stanza.tags[1].attr.node == "http://jabber.org/protocol/commands" then
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17 reply = st.reply(stanza);
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18 reply:tag("query", {xmlns="http://jabber.org/protocol/disco#items", node="http://jabber.org/protocol/commands"})
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19 for i = 1, #commands do
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20 -- module:log("info", "adding command %s", commands[i].name);
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21 if (commands[i].permission == "admin" and privileged) or (commands[i].permission == "user") then
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22 reply:tag("item", {name=commands[i].name, node=commands[i].node, jid=module:get_host()});
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23 reply:up();
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24 end
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25 end
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26 origin.send(reply);
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27 return true;
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28 end
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29 end, 500);
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30
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31 module:hook("iq/host", function (event)
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32 local origin, stanza = event.origin, event.stanza;
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33 if stanza.attr.type == "set" and stanza.tags[1] and stanza.tags[1].name == "command" then
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34 local node = stanza.tags[1].attr.node
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35 for i = 1, #commands do
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36 if commands[i].node == node then
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37 return commands[i].handler(commands[i], origin, stanza);
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38 end
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39 end
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40 end
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41 end, 500);
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42
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43 module:hook("item-added/adhoc", function (event)
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44 commands[ # commands + 1] = event.item;
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45 end, 500);
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46
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47 local _G = _G;
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48 local t_remove = _G.table.remove;
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49 module:hook("item-removed/adhoc", function (event)
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50 for i = 1, #commands do
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51 if commands[i].node == event.item.node then
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52 t_remove(commands, i);
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53 break;
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54 end
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55 end
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56 end, 500);