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18a115beeebe
plugins/muc/mod_muc.lua

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plugins/muc/mod_muc.lua @ 5691:18a115beeebe

mod_muc: Utilize mod_disco, instead of reimplementing disco handling
author Florian Zeitz <florob@babelmonkeys.de>
date Wed, 05 Jun 2013 00:04:44 +0200
parent 5659:9f9de8078164
child 5692:24e7e58155d8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -- Prosody IM
2923
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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9
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10 if module:get_host_type() ~= "component" then
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11 error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);
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12 end
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13
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14 local muc_host = module:get_host();
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15 local muc_name = module:get_option("name");
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16 if type(muc_name) ~= "string" then muc_name = "Prosody Chatrooms"; end
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17 local restrict_room_creation = module:get_option("restrict_room_creation");
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18 if restrict_room_creation then
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19 if restrict_room_creation == true then
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20 restrict_room_creation = "admin";
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21 elseif restrict_room_creation ~= "admin" and restrict_room_creation ~= "local" then
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22 restrict_room_creation = nil;
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23 end
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24 end
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25 local muclib = module:require "muc";
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26 local muc_new_room = muclib.new_room;
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27 local jid_split = require "util.jid".split;
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28 local jid_bare = require "util.jid".bare;
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29 local st = require "util.stanza";
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30 local uuid_gen = require "util.uuid".generate;
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31 local um_is_admin = require "core.usermanager".is_admin;
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32 local hosts = prosody.hosts;
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34 rooms = {};
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35 local rooms = rooms;
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36 local persistent_rooms_storage = module:open_store("persistent");
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37 local persistent_rooms = persistent_rooms_storage:get() or {};
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38 local room_configs = module:open_store("config");
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39
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40 -- Configurable options
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41 muclib.set_max_history_length(module:get_option_number("max_history_messages"));
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42
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43 module:depends("disco");
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44 module:add_identity("conference", "text", muc_name);
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45 module:add_feature("http://jabber.org/protocol/muc");
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46
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47 local function is_admin(jid)
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48 return um_is_admin(jid, module.host);
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49 end
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50
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51 local _set_affiliation = muc_new_room.room_mt.set_affiliation;
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52 local _get_affiliation = muc_new_room.room_mt.get_affiliation;
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53 function muclib.room_mt:get_affiliation(jid)
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54 if is_admin(jid) then return "owner"; end
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55 return _get_affiliation(self, jid);
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56 end
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57 function muclib.room_mt:set_affiliation(actor, jid, affiliation, callback, reason)
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58 if is_admin(jid) then return nil, "modify", "not-acceptable"; end
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59 return _set_affiliation(self, actor, jid, affiliation, callback, reason);
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60 end
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61
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62 local function room_route_stanza(room, stanza) module:send(stanza); end
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63 local function room_save(room, forced)
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64 local node = jid_split(room.jid);
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65 persistent_rooms[room.jid] = room._data.persistent;
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66 if room._data.persistent then
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67 local history = room._data.history;
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68 room._data.history = nil;
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69 local data = {
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70 jid = room.jid;
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71 _data = room._data;
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72 _affiliations = room._affiliations;
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73 };
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74 room_configs:set(node, data);
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75 room._data.history = history;
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76 elseif forced then
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77 room_configs:set(node, nil);
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78 if not next(room._occupants) then -- Room empty
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79 rooms[room.jid] = nil;
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80 end
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81 end
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82 if forced then persistent_rooms_storage:set(nil, persistent_rooms); end
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83 end
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84
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85 function create_room(jid)
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86 local room = muc_new_room(jid);
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87 room.route_stanza = room_route_stanza;
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88 room.save = room_save;
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89 rooms[jid] = room;
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90 module:fire_event("muc-room-created", { room = room });
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91 return room;
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92 end
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93
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94 local persistent_errors = false;
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95 for jid in pairs(persistent_rooms) do
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96 local node = jid_split(jid);
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97 local data = room_configs:get(node);
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98 if data then
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99 local room = create_room(jid);
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100 room._data = data._data;
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101 room._affiliations = data._affiliations;
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102 else -- missing room data
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103 persistent_rooms[jid] = nil;
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104 module:log("error", "Missing data for room '%s', removing from persistent room list", jid);
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105 persistent_errors = true;
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106 end
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107 end
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108 if persistent_errors then persistent_rooms_storage:set(nil, persistent_rooms); end
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109
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110 local host_room = muc_new_room(muc_host);
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111 host_room.route_stanza = room_route_stanza;
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112 host_room.save = room_save;
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113
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114 module:hook("host-disco-items", function(event)
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115 local reply = event.reply;
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Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
116 module:log("debug", "host-disco-items called");
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117 for jid, room in pairs(rooms) do
5580
db5d1a350cc7 mod_muc: Refactor config form handling, and allow for clients to submit incomplete forms. Fixes #246
Matthew Wild <mwild1@gmail.com>
parents: 5577
diff changeset
118 if not room:get_hidden() then
3510
711eb5bf94b4 MUC: Make the room node be the default room name (thanks Zash).
Waqas Hussain <waqas20@gmail.com>
parents: 3388
diff changeset
119 reply:tag("item", {jid=jid, name=room:get_name()}):up();
1754
67b66eec9777 MUC: Added support for room configuration forms, persistence and hidden rooms.
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parents: 1748
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120 end
1738
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121 end
5691
18a115beeebe mod_muc: Utilize mod_disco, instead of reimplementing disco handling
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parents: 5659
diff changeset
122 end);
1738
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123
4370
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diff changeset
124 local function handle_to_domain(event)
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125 local origin, stanza = event.origin, event.stanza;
1738
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126 local type = stanza.attr.type;
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parents:
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127 if type == "error" or type == "result" then return; end
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128 if stanza.name == "iq" and type == "get" then
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129 local xmlns = stanza.tags[1].attr.xmlns;
5335
bb81c13d2c6f MUC: Always return <service-unavailable/> when a node is present in service discovery requests.
Waqas Hussain <waqas20@gmail.com>
parents: 5210
diff changeset
130 local node = stanza.tags[1].attr.node;
5691
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Florian Zeitz <florob@babelmonkeys.de>
parents: 5659
diff changeset
131 if xmlns == "http://jabber.org/protocol/muc#unique" then
1741
2919f3b985fc MUC: Added support for generating unique room names
Waqas Hussain <waqas20@gmail.com>
parents: 1738
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132 origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions
1738
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133 else
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parents:
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134 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
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135 end
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Waqas Hussain <waqas20@gmail.com>
parents:
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136 else
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Waqas Hussain <waqas20@gmail.com>
parents:
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137 host_room:handle_stanza(origin, stanza);
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138 --origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
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parents:
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139 end
4370
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diff changeset
140 return true;
1738
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141 end
ee4a7151ed07 MUC: New basic mod_muc based on the new MUC library
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parents:
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142
3560
fb49b63e3fe2 MUC: Use events for hooking stanzas instead of the component stanza handler.
Waqas Hussain <waqas20@gmail.com>
parents: 3510
diff changeset
143 function stanza_handler(event)
fb49b63e3fe2 MUC: Use events for hooking stanzas instead of the component stanza handler.
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diff changeset
144 local origin, stanza = event.origin, event.stanza;
4370
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diff changeset
145 local bare = jid_bare(stanza.attr.to);
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
146 local room = rooms[bare];
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
147 if not room then
5058
433cc9a4c7e9 MUC: Return <item-not-found/> on message and iq to non-existent rooms (thanks Maranda).
Waqas Hussain <waqas20@gmail.com>
parents: 5016
diff changeset
148 if stanza.name ~= "presence" then
433cc9a4c7e9 MUC: Return <item-not-found/> on message and iq to non-existent rooms (thanks Maranda).
Waqas Hussain <waqas20@gmail.com>
parents: 5016
diff changeset
149 origin.send(st.error_reply(stanza, "cancel", "item-not-found"));
433cc9a4c7e9 MUC: Return <item-not-found/> on message and iq to non-existent rooms (thanks Maranda).
Waqas Hussain <waqas20@gmail.com>
parents: 5016
diff changeset
150 return true;
433cc9a4c7e9 MUC: Return <item-not-found/> on message and iq to non-existent rooms (thanks Maranda).
Waqas Hussain <waqas20@gmail.com>
parents: 5016
diff changeset
151 end
4370
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Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
152 if not(restrict_room_creation) or
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
153 (restrict_room_creation == "admin" and is_admin(stanza.attr.from)) or
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
154 (restrict_room_creation == "local" and select(2, jid_split(stanza.attr.from)) == module.host:gsub("^[^%.]+%.", "")) then
5210
862a6fae05e7 MUC: Expose create_room(jid).
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parents: 5195
diff changeset
155 room = create_room(bare);
4370
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diff changeset
156 end
1738
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parents:
diff changeset
157 end
4370
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Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
158 if room then
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
159 room:handle_stanza(origin, stanza);
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
160 if not next(room._occupants) and not persistent_rooms[room.jid] then -- empty, non-persistent room
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
161 rooms[bare] = nil; -- discard room
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
162 end
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
163 else
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
164 origin.send(st.error_reply(stanza, "cancel", "not-allowed"));
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
165 end
3589
1792610e169e MUC: Return true from the stanza handler to suppress error responses.
Waqas Hussain <waqas20@gmail.com>
parents: 3577
diff changeset
166 return true;
3560
fb49b63e3fe2 MUC: Use events for hooking stanzas instead of the component stanza handler.
Waqas Hussain <waqas20@gmail.com>
parents: 3510
diff changeset
167 end
3675
cd3a1ae596b4 MUC: Give stanza handlers a negative priority, to allow mod_iq to process them first.
Waqas Hussain <waqas20@gmail.com>
parents: 3628
diff changeset
168 module:hook("iq/bare", stanza_handler, -1);
cd3a1ae596b4 MUC: Give stanza handlers a negative priority, to allow mod_iq to process them first.
Waqas Hussain <waqas20@gmail.com>
parents: 3628
diff changeset
169 module:hook("message/bare", stanza_handler, -1);
cd3a1ae596b4 MUC: Give stanza handlers a negative priority, to allow mod_iq to process them first.
Waqas Hussain <waqas20@gmail.com>
parents: 3628
diff changeset
170 module:hook("presence/bare", stanza_handler, -1);
cd3a1ae596b4 MUC: Give stanza handlers a negative priority, to allow mod_iq to process them first.
Waqas Hussain <waqas20@gmail.com>
parents: 3628
diff changeset
171 module:hook("iq/full", stanza_handler, -1);
cd3a1ae596b4 MUC: Give stanza handlers a negative priority, to allow mod_iq to process them first.
Waqas Hussain <waqas20@gmail.com>
parents: 3628
diff changeset
172 module:hook("message/full", stanza_handler, -1);
cd3a1ae596b4 MUC: Give stanza handlers a negative priority, to allow mod_iq to process them first.
Waqas Hussain <waqas20@gmail.com>
parents: 3628
diff changeset
173 module:hook("presence/full", stanza_handler, -1);
4370
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
174 module:hook("iq/host", handle_to_domain, -1);
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
175 module:hook("message/host", handle_to_domain, -1);
be14f96290a4 MUC: A little cleanup.
Waqas Hussain <waqas20@gmail.com>
parents: 4260
diff changeset
176 module:hook("presence/host", handle_to_domain, -1);
3560
fb49b63e3fe2 MUC: Use events for hooking stanzas instead of the component stanza handler.
Waqas Hussain <waqas20@gmail.com>
parents: 3510
diff changeset
177
3604
3e89f0509967 prosody: Removed all references to componentmanager from Prosody, except the main componentmanager file.
Waqas Hussain <waqas20@gmail.com>
parents: 3589
diff changeset
178 hosts[module.host].send = function(stanza) -- FIXME do a generic fix
1780
668ce0a2050d MUC: Added a send() method to the component. Fixes issues with local mod_vcard.
Waqas Hussain <waqas20@gmail.com>
parents: 1767
diff changeset
179 if stanza.attr.type == "result" or stanza.attr.type == "error" then
5015
f19b38bfa015 mod_muc: Use module:send() instead of core_*_stanza()
Kim Alvefur <zash@zash.se>
parents: 4924
diff changeset
180 module:send(stanza);
1780
668ce0a2050d MUC: Added a send() method to the component. Fixes issues with local mod_vcard.
Waqas Hussain <waqas20@gmail.com>
parents: 1767
diff changeset
181 else error("component.send only supports result and error stanzas at the moment"); end
668ce0a2050d MUC: Added a send() method to the component. Fixes issues with local mod_vcard.
Waqas Hussain <waqas20@gmail.com>
parents: 1767
diff changeset
182 end
1738
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
183
5016
56a0b13a3d42 mod_muc: Remove unused variable and pull hosts into a local
Kim Alvefur <zash@zash.se>
parents: 5015
diff changeset
184 hosts[module:get_host()].muc = { rooms = rooms };
1738
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parents:
diff changeset
185
5062
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diff changeset
186 local saved = false;
1738
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187 module.save = function()
5062
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diff changeset
188 saved = true;
1738
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parents:
diff changeset
189 return {rooms = rooms};
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parents:
diff changeset
190 end
ee4a7151ed07 MUC: New basic mod_muc based on the new MUC library
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
191 module.restore = function(data)
1748
f4c50c75af6f MUC: Fixed stanza routing for reloaded rooms.
Waqas Hussain <waqas20@gmail.com>
parents: 1747
diff changeset
192 for jid, oldroom in pairs(data.rooms or {}) do
5210
862a6fae05e7 MUC: Expose create_room(jid).
Waqas Hussain <waqas20@gmail.com>
parents: 5195
diff changeset
193 local room = create_room(jid);
1747
28e5f6b535a8 MUC: Added support for reloading MUC library code.
Waqas Hussain <waqas20@gmail.com>
parents: 1741
diff changeset
194 room._jid_nick = oldroom._jid_nick;
28e5f6b535a8 MUC: Added support for reloading MUC library code.
Waqas Hussain <waqas20@gmail.com>
parents: 1741
diff changeset
195 room._occupants = oldroom._occupants;
28e5f6b535a8 MUC: Added support for reloading MUC library code.
Waqas Hussain <waqas20@gmail.com>
parents: 1741
diff changeset
196 room._data = oldroom._data;
28e5f6b535a8 MUC: Added support for reloading MUC library code.
Waqas Hussain <waqas20@gmail.com>
parents: 1741
diff changeset
197 room._affiliations = oldroom._affiliations;
28e5f6b535a8 MUC: Added support for reloading MUC library code.
Waqas Hussain <waqas20@gmail.com>
parents: 1741
diff changeset
198 end
5016
56a0b13a3d42 mod_muc: Remove unused variable and pull hosts into a local
Kim Alvefur <zash@zash.se>
parents: 5015
diff changeset
199 hosts[module:get_host()].muc = { rooms = rooms };
1738
ee4a7151ed07 MUC: New basic mod_muc based on the new MUC library
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parents:
diff changeset
200 end
5062
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
201
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
202 function shutdown_room(room, stanza)
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
203 for nick, occupant in pairs(room._occupants) do
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
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diff changeset
204 stanza.attr.from = nick;
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
205 for jid in pairs(occupant.sessions) do
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diff changeset
206 stanza.attr.to = jid;
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Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
207 room:_route_stanza(stanza);
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
208 room._jid_nick[jid] = nil;
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
209 end
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
210 room._occupants[nick] = nil;
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
211 end
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
212 end
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
213 function shutdown_component()
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
214 if not saved then
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
215 local stanza = st.presence({type = "unavailable"})
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Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
216 :tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
5659
9f9de8078164 mod_muc: Include status code 332 on service shutdown (thanks mathieui)
Matthew Wild <mwild1@gmail.com>
parents: 5580
diff changeset
217 :tag("item", { affiliation='none', role='none' }):up()
9f9de8078164 mod_muc: Include status code 332 on service shutdown (thanks mathieui)
Matthew Wild <mwild1@gmail.com>
parents: 5580
diff changeset
218 :tag("status", { code = "332"}):up();
5062
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
219 for roomjid, room in pairs(rooms) do
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
220 shutdown_room(room, stanza);
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
221 end
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
222 shutdown_room(host_room, stanza);
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
223 end
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
224 end
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
225 module.unload = shutdown_component;
88e198d65905 MUC: Send unavailable presence when the component or server is shutting down.
Waqas Hussain <waqas20@gmail.com>
parents: 5058
diff changeset
226 module:hook_global("server-stopping", shutdown_component);