prosody
3521e0851c9e
plugins/mod_roster.lua

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plugins/mod_roster.lua @ 541:3521e0851c9e

Change modules to use the new add_feature module API method. This also fixes the bug causing disco features being added to every disco reply for every host.
author Waqas Hussain <waqas20@gmail.com>
date Thu, 04 Dec 2008 20:16:30 +0500
parent 519:cccd610a0ef9
child 609:64849cfa9869
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519
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diff changeset
1 -- Prosody IM v0.1
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2 -- Copyright (C) 2008 Matthew Wild
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3 -- Copyright (C) 2008 Waqas Hussain
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4 --
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5 -- This program is free software; you can redistribute it and/or
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6 -- modify it under the terms of the GNU General Public License
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7 -- as published by the Free Software Foundation; either version 2
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8 -- of the License, or (at your option) any later version.
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9 --
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10 -- This program is distributed in the hope that it will be useful,
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11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 -- GNU General Public License for more details.
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14 --
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15 -- You should have received a copy of the GNU General Public License
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16 -- along with this program; if not, write to the Free Software
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17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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18 --
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19
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20
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22 local st = require "util.stanza"
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23
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24 local jid_split = require "util.jid".split;
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25 local t_concat = table.concat;
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26
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27 local handle_outbound_presence_subscriptions_and_probes = require "core.presencemanager".handle_outbound_presence_subscriptions_and_probes;
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28 local rm_remove_from_roster = require "core.rostermanager".remove_from_roster;
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29 local rm_add_to_roster = require "core.rostermanager".add_to_roster;
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30 local rm_roster_push = require "core.rostermanager".roster_push;
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31
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32 module:add_feature("jabber:iq:roster");
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34 module:add_iq_handler("c2s", "jabber:iq:roster",
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35 function (session, stanza)
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36 if stanza.tags[1].name == "query" then
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37 if stanza.attr.type == "get" then
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38 local roster = st.reply(stanza)
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39 :query("jabber:iq:roster");
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40 for jid in pairs(session.roster) do
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41 if jid ~= "pending" then
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42 roster:tag("item", {
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43 jid = jid,
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44 subscription = session.roster[jid].subscription,
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45 ask = session.roster[jid].ask,
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46 name = session.roster[jid].name,
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47 });
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48 for group in pairs(session.roster[jid].groups) do
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49 roster:tag("group"):text(group):up();
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50 end
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51 roster:up(); -- move out from item
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52 end
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53 end
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54 session.send(roster);
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55 session.interested = true; -- resource is interested in roster updates
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56 return true;
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57 elseif stanza.attr.type == "set" then
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58 local query = stanza.tags[1];
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59 if #query.tags == 1 and query.tags[1].name == "item"
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60 and query.tags[1].attr.xmlns == "jabber:iq:roster" and query.tags[1].attr.jid
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61 and query.tags[1].attr.jid ~= "pending" then
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62 local item = query.tags[1];
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63 local from_node, from_host = jid_split(stanza.attr.from);
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64 local from_bare = from_node and (from_node.."@"..from_host) or from_host; -- bare JID
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65 local node, host, resource = jid_split(item.attr.jid);
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66 local to_bare = node and (node.."@"..host) or host; -- bare JID
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67 if not resource and host then
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68 if item.attr.jid ~= from_node.."@"..from_host then
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69 if item.attr.subscription == "remove" then
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70 local r_item = session.roster[item.attr.jid];
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71 if r_item then
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72 local success, err_type, err_cond, err_msg = rm_remove_from_roster(session, item.attr.jid);
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73 if success then
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74 session.send(st.reply(stanza));
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75 rm_roster_push(from_node, from_host, item.attr.jid);
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76 if r_item.subscription == "both" or r_item.subscription == "from" then
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77 handle_outbound_presence_subscriptions_and_probes(session,
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78 st.presence({type="unsubscribed"}), from_bare, to_bare);
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79 elseif r_item.subscription == "both" or r_item.subscription == "to" then
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80 handle_outbound_presence_subscriptions_and_probes(session,
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81 st.presence({type="unsubscribe"}), from_bare, to_bare);
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82 end
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83 else
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84 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
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85 end
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86 else
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87 session.send(st.error_reply(stanza, "modify", "item-not-found"));
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88 end
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89 else
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90 local r_item = {name = item.attr.name, groups = {}};
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91 if r_item.name == "" then r_item.name = nil; end
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92 if session.roster[item.attr.jid] then
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93 r_item.subscription = session.roster[item.attr.jid].subscription;
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94 r_item.ask = session.roster[item.attr.jid].ask;
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95 else
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96 r_item.subscription = "none";
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97 end
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98 for _, child in ipairs(item) do
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99 if child.name == "group" then
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100 local text = t_concat(child);
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101 if text and text ~= "" then
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102 r_item.groups[text] = true;
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103 end
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104 end
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105 end
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106 local success, err_type, err_cond, err_msg = rm_add_to_roster(session, item.attr.jid, r_item);
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107 if success then
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108 session.send(st.reply(stanza));
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109 rm_roster_push(from_node, from_host, item.attr.jid);
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110 else
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111 session.send(st.error_reply(stanza, err_type, err_cond, err_msg));
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112 end
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113 end
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114 else
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115 session.send(st.error_reply(stanza, "cancel", "not-allowed"));
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116 end
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117 else
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118 session.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME what's the correct error?
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119 end
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120 else
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121 session.send(st.error_reply(stanza, "modify", "bad-request"));
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122 end
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123 return true;
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124 end
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125 end
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126 end);