prosody
ad3fbed1dda5
plugins/adhoc/mod_adhoc.lua

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plugins/adhoc/mod_adhoc.lua @ 3231:ad3fbed1dda5

mod_adhoc: Scan through list of items on load, in case items have been added before we were loaded
author Matthew Wild <mwild1@gmail.com>
date Fri, 11 Jun 2010 13:23:10 +0100
parent 3220:b3772f9bc359
child 3286:e5234625fc42
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b3772f9bc359 mod_adhoc: Imported from prosody-modules, thanks Florob!
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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 adhoc_handle_cmd = module:require "adhoc".handle_cmd;
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10 local xmlns_cmd = "http://jabber.org/protocol/commands";
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11 local xmlns_disco = "http://jabber.org/protocol/disco";
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12 local commands = {};
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13
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14 module:add_feature(xmlns_cmd);
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15
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16 module:hook("iq/host/"..xmlns_disco.."#items:query", function (event)
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17 local origin, stanza = event.origin, event.stanza;
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18 -- TODO: Is this correct, or should is_admin be changed?
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19 local privileged = is_admin(stanza.attr.from)
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20 or is_admin(stanza.attr.from, stanza.attr.to);
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21 if stanza.attr.type == "get" and stanza.tags[1].attr.node
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22 and stanza.tags[1].attr.node == xmlns_cmd then
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23 reply = st.reply(stanza);
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24 reply:tag("query", { xmlns = xmlns_disco.."#items",
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25 node = xmlns_cmd });
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26 for node, command in pairs(commands) do
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27 if (command.permission == "admin" and privileged)
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28 or (command.permission == "user") then
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29 reply:tag("item", { name = command.name,
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30 node = node, jid = module:get_host() });
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31 reply:up();
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32 end
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33 end
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34 origin.send(reply);
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35 return true;
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36 end
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37 end, 500);
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38
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39 module:hook("iq/host", function (event)
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40 local origin, stanza = event.origin, event.stanza;
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41 if stanza.attr.type == "set" and stanza.tags[1]
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42 and stanza.tags[1].name == "command" then
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43 local node = stanza.tags[1].attr.node
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44 -- TODO: Is this correct, or should is_admin be changed?
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45 local privileged = is_admin(event.stanza.attr.from)
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46 or is_admin(stanza.attr.from, stanza.attr.to);
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47 if commands[node] then
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48 if commands[node].permission == "admin"
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49 and not privileged then
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50 origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to execute this command"):up()
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51 :add_child(commands[node]:cmdtag("canceled")
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52 :tag("note", {type="error"}):text("You don't have permission to execute this command")));
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53 return true
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54 end
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55 -- User has permission now execute the command
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56 return adhoc_handle_cmd(commands[node], origin, stanza);
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57 end
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58 end
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59 end, 500);
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60
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61 local function handle_item_added(item)
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62 commands[item.node] = item;
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63 end
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64
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65 module:hook("item-added/adhoc", function (event)
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66 return handle_item_added(event.item);
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67 end, 500);
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68
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69 module:hook("item-removed/adhoc", function (event)
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70 commands[event.item.node] = nil;
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71 end, 500);
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72
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73 -- Pick up any items that are already added
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74 for _, item in ipairs(module:get_host_items("adhoc")) do
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75 handle_item_added(item);
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76 end