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comparison plugins/muc/subject.lib.lua @ 6609:d2faaaca695d

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Merge 0.10->trunk
author Matthew Wild <mwild1@gmail.com>
date Fri, 27 Mar 2015 22:24:57 +0000
parents 675aea867574
children 84e01dbb739e
comparison
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6608:b6e558febb7a 6609:d2faaaca695d
1 -- Prosody IM
2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
4 -- Copyright (C) 2014 Daurnimator
5 --
6 -- This project is MIT/X11 licensed. Please see the
7 -- COPYING file in the source package for more information.
8 --
9
10 local st = require "util.stanza";
11
12 local muc_util = module:require "muc/util";
13 local valid_roles = muc_util.valid_roles;
14
15 local function create_subject_message(from, subject)
16 return st.message({from = from; type = "groupchat"})
17 :tag("subject"):text(subject):up();
18 end
19
20 local function get_changesubject(room)
21 return room._data.changesubject;
22 end
23
24 local function set_changesubject(room, changesubject)
25 changesubject = changesubject and true or nil;
26 if get_changesubject(room) == changesubject then return false; end
27 room._data.changesubject = changesubject;
28 if room.save then room:save(true); end
29 return true;
30 end
31
32 module:hook("muc-config-form", function(event)
33 table.insert(event.form, {
34 name = "muc#roomconfig_changesubject";
35 type = "boolean";
36 label = "Allow Occupants to Change Subject?";
37 value = get_changesubject(event.room);
38 });
39 end);
40
41 module:hook("muc-config-submitted", function(event)
42 local new = event.fields["muc#roomconfig_changesubject"];
43 if new ~= nil and set_changesubject(event.room, new) then
44 event.status_codes["104"] = true;
45 end
46 end);
47
48 local function get_subject(room)
49 -- a <message/> stanza from the room JID (or from the occupant JID of the entity that set the subject)
50 return room._data.subject_from or room.jid, room._data.subject;
51 end
52
53 local function send_subject(room, to)
54 local msg = create_subject_message(get_subject(room));
55 msg.attr.to = to;
56 room:route_stanza(msg);
57 end
58
59 local function set_subject(room, from, subject)
60 if subject == "" then subject = nil; end
61 local old_from, old_subject = get_subject(room);
62 if old_subject == subject and old_from == from then return false; end
63 room._data.subject_from = from;
64 room._data.subject = subject;
65 if room.save then room:save(); end
66 local msg = create_subject_message(from, subject);
67 room:broadcast_message(msg);
68 return true;
69 end
70
71 -- Send subject to joining user
72 module:hook("muc-occupant-session-new", function(event)
73 send_subject(event.room, event.stanza.attr.from);
74 end, 20);
75
76 -- Prosody has made the decision that messages with <subject/> are exclusively subject changes
77 -- e.g. body will be ignored; even if the subject change was not allowed
78 module:hook("muc-occupant-groupchat", function(event)
79 local stanza = event.stanza;
80 local subject = stanza:get_child("subject");
81 if subject then
82 local occupant = event.occupant;
83 -- Role check for subject changes
84 local role_rank = valid_roles[occupant and occupant.role or "none"];
85 if role_rank >= valid_roles.moderator or
86 ( role_rank >= valid_roles.participant and get_changesubject(event.room) ) then -- and participant
87 set_subject(event.room, occupant.nick, subject:get_text());
88 return true;
89 else
90 event.origin.send(st.error_reply(stanza, "auth", "forbidden"));
91 return true;
92 end
93 end
94 end, 20);
95
96 return {
97 get_changesubject = get_changesubject;
98 set_changesubject = set_changesubject;
99 get = get_subject;
100 set = set_subject;
101 send = send_subject;
102 };