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annotate mod_adhoc/adhoc/mod_adhoc.lua @ 206:d3498f115fcd

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mod_adhoc_cmd_modules: Add "Unload module" command
author Florian Zeitz <florob@babelmonkeys.de>
date Fri, 09 Jul 2010 22:38:05 +0200
parents 0d438a7ac4fc
children 1ae653712e37
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1 -- Copyright (C) 2009 Thilo Cestonaro
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2 -- Copyright (C) 2009-2010 Florian Zeitz
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3 --
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4 -- This file is MIT/X11 licensed. Please see the
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5 -- COPYING file in the source package for more information.
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6 --
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8 local st = require "util.stanza";
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9 local is_admin = require "core.usermanager".is_admin;
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10 local adhoc_handle_cmd = module:require "adhoc".handle_cmd;
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11 local xmlns_cmd = "http://jabber.org/protocol/commands";
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12 local xmlns_disco = "http://jabber.org/protocol/disco";
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13 local commands = {};
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14
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15 module:add_feature(xmlns_cmd);
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17 module:hook("iq/host/"..xmlns_disco.."#items:query", function (event)
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18 local origin, stanza = event.origin, event.stanza;
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19 -- TODO: Is this correct, or should is_admin be changed?
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20 local privileged = is_admin(stanza.attr.from)
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21 or is_admin(stanza.attr.from, stanza.attr.to);
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22 if stanza.attr.type == "get" and stanza.tags[1].attr.node
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23 and stanza.tags[1].attr.node == xmlns_cmd then
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24 reply = st.reply(stanza);
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25 reply:tag("query", { xmlns = xmlns_disco.."#items",
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26 node = xmlns_cmd });
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27 for node, command in pairs(commands) do
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28 if (command.permission == "admin" and privileged)
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29 or (command.permission == "user") then
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30 reply:tag("item", { name = command.name,
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31 node = node, jid = module:get_host() });
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32 reply:up();
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33 end
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34 end
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35 origin.send(reply);
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36 return true;
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37 end
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38 end, 500);
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39
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40 module:hook("iq/host", function (event)
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41 local origin, stanza = event.origin, event.stanza;
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42 if stanza.attr.type == "set" and stanza.tags[1]
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43 and stanza.tags[1].name == "command" then
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44 local node = stanza.tags[1].attr.node
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45 -- TODO: Is this correct, or should is_admin be changed?
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46 local privileged = is_admin(event.stanza.attr.from)
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47 or is_admin(stanza.attr.from, stanza.attr.to);
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48 if commands[node] then
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49 if commands[node].permission == "admin"
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50 and not privileged then
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51 origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to execute this command"):up()
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52 :add_child(commands[node]:cmdtag("canceled")
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53 :tag("note", {type="error"}):text("You don't have permission to execute this command")));
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54 return true
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55 end
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56 -- User has permission now execute the command
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57 return adhoc_handle_cmd(commands[node], origin, stanza);
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58 end
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59 end
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60 end, 500);
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61
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62 local function handle_item_added(item)
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63 commands[item.node] = item;
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64 end
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65
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66 module:hook("item-added/adhoc", function (event)
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67 return handle_item_added(event.item);
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68 end, 500);
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2be8bcce5b18 thx to Florob:
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69
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70 module:hook("item-removed/adhoc", function (event)
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71 commands[event.item.node] = nil;
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72 end, 500);
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74 -- Pick up any items that are already added
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75 for _, item in ipairs(module:get_host_items("adhoc")) do
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76 handle_item_added(item);
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77 end