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94 lines
2.8 KiB
94 lines
2.8 KiB
-- Prosody IM
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-- Copyright (C) 2008-2010 Matthew Wild
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-- Copyright (C) 2008-2010 Waqas Hussain
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-- Copyright (C) 2014 Daurnimator
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local st = require "util.stanza";
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local function create_subject_message(from, subject)
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return st.message({from = from; type = "groupchat"})
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:tag("subject"):text(subject):up();
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end
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local function get_changesubject(room)
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return room._data.changesubject;
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end
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local function set_changesubject(room, changesubject)
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changesubject = changesubject and true or nil;
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if get_changesubject(room) == changesubject then return false; end
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room._data.changesubject = changesubject;
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if room.save then room:save(true); end
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return true;
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end
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module:hook("muc-config-form", function(event)
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table.insert(event.form, {
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name = "muc#roomconfig_changesubject";
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type = "boolean";
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label = "Allow Occupants to Change Subject?";
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value = get_changesubject(event.room);
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});
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end);
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module:hook("muc-config-submitted", function(event)
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local new = event.fields["muc#roomconfig_changesubject"];
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if new ~= nil and set_changesubject(event.room, new) then
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event.status_codes["104"] = true;
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end
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end);
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local function get_subject(room)
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-- a <message/> stanza from the room JID (or from the occupant JID of the entity that set the subject)
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return room._data.subject_from or room.jid, room._data.subject;
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end
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local function send_subject(room, to)
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local msg = create_subject_message(get_subject(room));
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msg.attr.to = to;
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room:route_stanza(msg);
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end
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local function set_subject(room, from, subject)
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if subject == "" then subject = nil; end
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local old_from, old_subject = get_subject(room);
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if old_subject == subject and old_from == from then return false; end
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room._data.subject_from = from;
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room._data.subject = subject;
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if room.save then room:save(); end
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local msg = create_subject_message(from, subject);
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room:broadcast_message(msg);
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return true;
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end
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-- Send subject to joining user
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module:hook("muc-occupant-joined", function(event)
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send_subject(event.room, event.stanza.attr.from);
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end, 20);
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-- Role check for subject changes
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module:hook("muc-subject-change", function(event)
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local room, stanza = event.room, event.stanza;
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local occupant = room:get_occupant_by_real_jid(stanza.attr.from);
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if occupant.role == "moderator" or
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( occupant.role == "participant" and get_changesubject(room) ) then -- and participant
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local subject = stanza:get_child_text("subject");
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set_subject(room, occupant.nick, subject);
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return true;
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else
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event.origin.send(st.error_reply(stanza, "auth", "forbidden"));
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return true;
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end
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end);
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return {
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get_changesubject = get_changesubject;
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set_changesubject = set_changesubject;
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get = get_subject;
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set = set_subject;
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send = send_subject;
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};
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