prosody
f2258e9750cf
plugins/adhoc/mod_adhoc.lua

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plugins/adhoc/mod_adhoc.lua @ 9273:f2258e9750cf

mod_vcard_legacy: Include avatar data even if metadata can't be loaded Normally both nodes should have the same configuration and matching items, but we can't depend on it without having some code that enforces it, which does not exist at the time of this commit. Including the avatar itself should be prioritised. The image format can be derived from magic bytes.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Sep 2018 01:08:27 +0200
parent 9222:fe8abac62682
child 9331:2f634cc02eac
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1 -- Copyright (C) 2009 Thilo Cestonaro
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2 -- Copyright (C) 2009-2011 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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7
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8 local st = require "util.stanza";
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9 local keys = require "util.iterators".keys;
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10 local array_collect = require "util.array".collect;
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11 local is_admin = require "core.usermanager".is_admin;
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12 local jid_split = require "util.jid".split;
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13 local adhoc_handle_cmd = module:require "adhoc".handle_cmd;
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14 local xmlns_cmd = "http://jabber.org/protocol/commands";
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15 local commands = {};
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16
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17 module:add_feature(xmlns_cmd);
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18
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19 module:hook("host-disco-info-node", function (event)
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20 local stanza, origin, reply, node = event.stanza, event.origin, event.reply, event.node;
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21 if commands[node] then
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22 local from = stanza.attr.from;
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23 local privileged = is_admin(from, stanza.attr.to);
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24 local global_admin = is_admin(from);
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25 local username, hostname = jid_split(from);
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26 local command = commands[node];
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27 if (command.permission == "admin" and privileged)
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28 or (command.permission == "global_admin" and global_admin)
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29 or (command.permission == "local_user" and hostname == module.host)
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30 or (command.permission == "user") then
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31 reply:tag("identity", { name = command.name,
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32 category = "automation", type = "command-node" }):up();
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33 reply:tag("feature", { var = xmlns_cmd }):up();
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34 reply:tag("feature", { var = "jabber:x:data" }):up();
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35 event.exists = true;
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36 else
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37 origin.send(st.error_reply(stanza, "auth", "forbidden", "This item is not available to you"));
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38 return true;
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39 end
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40 elseif node == xmlns_cmd then
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41 reply:tag("identity", { name = "Ad-Hoc Commands",
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42 category = "automation", type = "command-list" }):up();
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43 event.exists = true;
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44 end
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45 end);
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46
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47 module:hook("host-disco-items-node", function (event)
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48 local stanza, reply, disco_node = event.stanza, event.reply, event.node;
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49 if disco_node ~= xmlns_cmd then
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50 return;
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51 end
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52
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53 local from = stanza.attr.from;
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54 local admin = is_admin(from, stanza.attr.to);
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55 local global_admin = is_admin(from);
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56 local username, hostname = jid_split(from);
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57 local nodes = array_collect(keys(commands)):sort();
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58 for _, node in ipairs(nodes) do
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59 local command = commands[node];
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60 if (command.permission == "admin" and admin)
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61 or (command.permission == "global_admin" and global_admin)
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62 or (command.permission == "local_user" and hostname == module.host)
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63 or (command.permission == "user") then
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64 reply:tag("item", { name = command.name,
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65 node = node, jid = module:get_host() });
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66 reply:up();
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67 end
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68 end
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69 event.exists = true;
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70 end);
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71
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72 module:hook("iq-set/host/"..xmlns_cmd..":command", function (event)
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73 local origin, stanza = event.origin, event.stanza;
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74 local node = stanza.tags[1].attr.node
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75 local command = commands[node];
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76 if command then
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77 local from = stanza.attr.from;
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78 local admin = is_admin(from, stanza.attr.to);
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79 local global_admin = is_admin(from);
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80 local username, hostname = jid_split(from);
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81 if (command.permission == "admin" and not admin)
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82 or (command.permission == "global_admin" and not global_admin)
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83 or (command.permission == "local_user" and hostname ~= module.host) then
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84 origin.send(st.error_reply(stanza, "auth", "forbidden", "You don't have permission to execute this command"):up()
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85 :add_child(commands[node]:cmdtag("canceled")
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86 :tag("note", {type="error"}):text("You don't have permission to execute this command")));
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87 return true
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88 end
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89 -- User has permission now execute the command
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90 adhoc_handle_cmd(commands[node], origin, stanza);
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91 return true;
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92 end
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93 end, 500);
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94
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95 local function adhoc_added(event)
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96 local item = event.item;
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97 commands[item.node] = item;
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98 end
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99
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100 local function adhoc_removed(event)
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101 commands[event.item.node] = nil;
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102 end
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103
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104 module:handle_items("adhoc", adhoc_added, adhoc_removed);
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105 module:handle_items("adhoc-provider", adhoc_added, adhoc_removed);