prosody
2919f3b985fc
plugins/muc/mod_muc.lua

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plugins/muc/mod_muc.lua @ 1741:2919f3b985fc

MUC: Added support for generating unique room names
author Waqas Hussain <waqas20@gmail.com>
date Mon, 07 Sep 2009 20:29:04 +0500
parent 1738:ee4a7151ed07
child 1747:28e5f6b535a8
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 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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8
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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 = "Chatrooms";
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16 local history_length = 20;
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17
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18 local muc_new_room = module:require "muc".new_room;
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19 local register_component = require "core.componentmanager".register_component;
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20 local deregister_component = require "core.componentmanager".deregister_component;
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21 local jid_split = require "util.jid".split;
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22 local st = require "util.stanza";
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23 local uuid_gen = require "util.uuid".generate;
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24
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25 local rooms = {};
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26 local component;
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27 local host_room = muc_new_room(muc_host);
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28 host_room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end;
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29
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30 local function get_disco_info(stanza)
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31 return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
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32 :tag("identity", {category='conference', type='text', name=muc_name}):up()
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33 :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
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34 end
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35 local function get_disco_items(stanza)
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36 local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
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37 for jid, room in pairs(rooms) do
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38 reply:tag("item", {jid=jid, name=jid}):up();
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39 end
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40 return reply; -- TODO cache disco reply
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41 end
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42
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43 local function handle_to_domain(origin, stanza)
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44 local type = stanza.attr.type;
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45 if type == "error" or type == "result" then return; end
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46 if stanza.name == "iq" and type == "get" then
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47 local xmlns = stanza.tags[1].attr.xmlns;
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48 if xmlns == "http://jabber.org/protocol/disco#info" then
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49 origin.send(get_disco_info(stanza));
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50 elseif xmlns == "http://jabber.org/protocol/disco#items" then
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51 origin.send(get_disco_items(stanza));
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52 elseif xmlns == "http://jabber.org/protocol/muc#unique" then
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53 origin.send(st.reply(stanza):tag("unique", {xmlns = xmlns}):text(uuid_gen())); -- FIXME Random UUIDs can theoretically have collisions
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54 else
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55 origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
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56 end
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57 else
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58 host_room:handle_stanza(origin, stanza);
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59 --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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60 end
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61 end
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62
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63 component = register_component(muc_host, function(origin, stanza)
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64 local to_node, to_host, to_resource = jid_split(stanza.attr.to);
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65 if to_node then
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66 local bare = to_node.."@"..to_host;
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67 if to_host == muc_host or bare == muc_host then
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68 local room = rooms[bare];
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69 if not room then
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70 room = muc_new_room(bare);
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71 room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end;
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72 rooms[bare] = room;
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73 end
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74 room:handle_stanza(origin, stanza);
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75 else --[[not for us?]] end
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76 return;
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77 end
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78 -- to the main muc domain
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79 handle_to_domain(origin, stanza);
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80 end);
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81
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82 prosody.hosts[module:get_host()].muc = { rooms = rooms };
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83
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84 module.unload = function()
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85 deregister_component(muc_host);
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86 end
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87 module.save = function()
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88 return {rooms = rooms};
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89 end
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90 module.restore = function(data)
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91 rooms = data.rooms or {};
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92 prosody.hosts[module:get_host()].muc = { rooms = rooms };
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93 end