prosody-modules
a9898f13c89e
mod_adhoc/adhoc/mod_adhoc.lua

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mod_adhoc/adhoc/mod_adhoc.lua @ 121:a9898f13c89e

mod_adhoc: Major refactoring. Actuall data exchange happens here now mod_adhoc_cmd_*: Update to work with aforementioned change
author Florian Zeitz <florob@babelmonkeys.de>
date Fri, 22 Jan 2010 04:25:58 +0100
parent 109:9b63fd1196c0
child 125:8111c8a9e1ad
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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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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 adhoc_handle_cmd = module:require "adhoc".handle_cmd;
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10 local commands = {};
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11
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12 module:add_feature("http://jabber.org/protocol/commands");
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14 module:hook("iq/host/http://jabber.org/protocol/disco#items:query", function (event)
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15 local origin, stanza = event.origin, event.stanza;
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16 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?
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17 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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18 reply = st.reply(stanza);
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19 reply:tag("query", {xmlns="http://jabber.org/protocol/disco#items", node="http://jabber.org/protocol/commands"});
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20 for i = 1, #commands do
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21 -- module:log("info", "adding command %s", commands[i].name);
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22 if (commands[i].permission == "admin" and privileged) or (commands[i].permission == "user") then
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23 reply:tag("item", {name=commands[i].name, node=commands[i].node, jid=module:get_host()});
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24 reply:up();
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25 end
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26 end
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27 origin.send(reply);
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28 return true;
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29 end
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30 end, 500);
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31
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32 module:hook("iq/host", function (event)
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33 local origin, stanza = event.origin, event.stanza;
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34 if stanza.attr.type == "set" and stanza.tags[1] and stanza.tags[1].name == "command" then
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35 local node = stanza.tags[1].attr.node
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36 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?
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37 for i = 1, #commands do
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38 if commands[i].node == node then
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39 -- check whether user has permission to execute this command first
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40 if commands[i].permission == "admin" and not privileged then
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41 origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to execute this command"):up()
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42 :add_child(commands[i]:cmdtag("canceled")
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43 :tag("note", {type="error"}):text("You don't have permission to execute this command")));
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44 return true
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45 end
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46 -- User has permission now execute the command
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47 return adhoc_handle_cmd(commands[i], origin, stanza);
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48 end
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49 end
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50 end
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51 end, 500);
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52
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53 module:hook("item-added/adhoc", function (event)
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54 commands[ #commands + 1] = event.item;
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55 end, 500);
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56
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57 local _G = _G;
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58 local t_remove = _G.table.remove;
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59 module:hook("item-removed/adhoc", function (event)
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60 for i = 1, #commands do
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61 if commands[i].node == event.item.node then
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62 t_remove(commands, i);
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63 break;
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64 end
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65 end
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66 end, 500);