prosody
4101bcf9639a
plugins/muc/members_only.lib.lua

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plugins/muc/members_only.lib.lua @ 8985:4101bcf9639a

MUC: Add allowmemberinvites to disco#info so clients know whether to allow users to invite others in a members-only room
author Matthew Wild <mwild1@gmail.com>
date Sat, 07 Jul 2018 12:12:36 +0100
parent 8976:92f0876b9230
child 8987:596c8c7d98b1
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rev   line source
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1 -- Prosody IM
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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 -- Copyright (C) 2014 Daurnimator
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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9
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10 local st = require "util.stanza";
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11
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12 local muc_util = module:require "muc/util";
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13 local valid_affiliations = muc_util.valid_affiliations;
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14
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15 local function get_members_only(room)
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16 return room._data.members_only;
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17 end
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18
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19 local function set_members_only(room, members_only)
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20 members_only = members_only and true or nil;
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21 if room._data.members_only == members_only then return false; end
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22 room._data.members_only = members_only;
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23 if members_only then
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24 --[[
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25 If as a result of a change in the room configuration the room type is
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26 changed to members-only but there are non-members in the room,
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27 the service MUST remove any non-members from the room and include a
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28 status code of 322 in the presence unavailable stanzas sent to those users
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29 as well as any remaining occupants.
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30 ]]
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31 local occupants_changed = {};
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32 for _, occupant in room:each_occupant() do
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33 local affiliation = room:get_affiliation(occupant.bare_jid);
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34 if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then
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35 occupant.role = nil;
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36 room:save_occupant(occupant);
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37 occupants_changed[occupant] = true;
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38 end
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39 end
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40 local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"})
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41 :tag("status", {code="322"}):up();
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42 for occupant in pairs(occupants_changed) do
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43 room:publicise_occupant_status(occupant, x);
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44 module:fire_event("muc-occupant-left", {room = room; nick = occupant.nick; occupant = occupant;});
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45 end
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46 end
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47 return true;
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48 end
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49
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50 local function get_allow_member_invites(room)
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51 return room._data.allow_member_invites;
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52 end
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53
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54 -- Allows members to invite new members into a members-only room,
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55 -- effectively creating an invite-only room
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56 local function set_allow_member_invites(room, allow_member_invites)
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57 allow_member_invites = allow_member_invites and true or nil;
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58 if room._data.allow_member_invites == allow_member_invites then return false; end
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59 room._data.allow_member_invites = allow_member_invites;
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60 return true;
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61 end
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62
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63 module:hook("muc-disco#info", function(event)
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64 event.reply:tag("feature", {var = get_members_only(event.room) and "muc_membersonly" or "muc_open"}):up();
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65 table.insert(event.form, {
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66 name = "{http://prosody.im/protocol/muc}roomconfig_allowmemberinvites";
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67 label = "Allow members to invite new members?";
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68 type = "boolean";
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69 value = not not get_allow_member_invites(event.room);
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70 });
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71 end);
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72
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73
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74 module:hook("muc-config-form", function(event)
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75 table.insert(event.form, {
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76 name = "muc#roomconfig_membersonly";
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77 type = "boolean";
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78 label = "Make Room Members-Only?";
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79 value = get_members_only(event.room);
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80 });
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81 table.insert(event.form, {
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82 name = "{http://prosody.im/protocol/muc}roomconfig_allowmemberinvites";
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83 type = "boolean";
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84 label = "Allow members to invite new members?";
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85 value = get_allow_member_invites(event.room);
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86 });
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87 end, 100-6);
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88
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89 module:hook("muc-config-submitted/muc#roomconfig_membersonly", function(event)
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90 if set_members_only(event.room, event.value) then
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91 event.status_codes["104"] = true;
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92 end
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93 end);
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94
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95 module:hook("muc-config-submitted/{http://prosody.im/protocol/muc}roomconfig_allowmemberinvites", function(event)
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96 if set_allow_member_invites(event.room, event.value) then
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97 event.status_codes["104"] = true;
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98 end
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99 end);
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100
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101 -- No affiliation => role of "none"
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102 module:hook("muc-get-default-role", function(event)
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103 if not event.affiliation and get_members_only(event.room) then
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104 return false;
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105 end
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106 end);
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107
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108 -- registration required for entering members-only room
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109 module:hook("muc-occupant-pre-join", function(event)
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110 local room = event.room;
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111 if get_members_only(room) then
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112 local stanza = event.stanza;
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113 local affiliation = room:get_affiliation(stanza.attr.from);
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114 if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then
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115 local reply = st.error_reply(stanza, "auth", "registration-required"):up();
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116 reply.tags[1].attr.code = "407";
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117 event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"}));
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118 return true;
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119 end
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120 end
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daurnimator <quae@daurnimator.com>
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121 end, -5);
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122
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daurnimator <quae@daurnimator.com>
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123 -- Invitation privileges in members-only rooms SHOULD be restricted to room admins;
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124 -- if a member without privileges to edit the member list attempts to invite another user
f321536afeec plugins/muc/muc.lib: Move members_only into seperate file
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parents:
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125 -- the service SHOULD return a <forbidden/> error to the occupant
f321536afeec plugins/muc/muc.lib: Move members_only into seperate file
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126 module:hook("muc-pre-invite", function(event)
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127 local room = event.room;
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daurnimator <quae@daurnimator.com>
parents: 6221
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128 if get_members_only(room) then
97d53caef325 plugins/muc/members_only.lib: Compare affiliations via rank; wrap some long lines
daurnimator <quae@daurnimator.com>
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129 local stanza = event.stanza;
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130 local affiliation = room:get_affiliation(stanza.attr.from);
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Matthew Wild <mwild1@gmail.com>
parents: 7401
diff changeset
131 if not room._data.allow_member_invites and valid_affiliations[affiliation or "none"] < valid_affiliations.admin then
6230
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daurnimator <quae@daurnimator.com>
parents: 6221
diff changeset
132 event.origin.send(st.error_reply(stanza, "auth", "forbidden"));
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daurnimator <quae@daurnimator.com>
parents: 6221
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133 return true;
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134 end
6221
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135 end
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daurnimator <quae@daurnimator.com>
parents:
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136 end);
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daurnimator <quae@daurnimator.com>
parents:
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137
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daurnimator <quae@daurnimator.com>
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138 -- When an invite is sent; add an affiliation for the invitee
f321536afeec plugins/muc/muc.lib: Move members_only into seperate file
daurnimator <quae@daurnimator.com>
parents:
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139 module:hook("muc-invite", function(event)
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daurnimator <quae@daurnimator.com>
parents: 6221
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140 local room = event.room;
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daurnimator <quae@daurnimator.com>
parents: 6221
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141 if get_members_only(room) then
97d53caef325 plugins/muc/members_only.lib: Compare affiliations via rank; wrap some long lines
daurnimator <quae@daurnimator.com>
parents: 6221
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142 local stanza = event.stanza;
97d53caef325 plugins/muc/members_only.lib: Compare affiliations via rank; wrap some long lines
daurnimator <quae@daurnimator.com>
parents: 6221
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143 local invitee = stanza.attr.to;
97d53caef325 plugins/muc/members_only.lib: Compare affiliations via rank; wrap some long lines
daurnimator <quae@daurnimator.com>
parents: 6221
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144 local affiliation = room:get_affiliation(invitee);
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Matthew Wild <mwild1@gmail.com>
parents: 7401
diff changeset
145 if valid_affiliations[affiliation or "none"] <= valid_affiliations.none and room._data.allow_member_invites then
6230
97d53caef325 plugins/muc/members_only.lib: Compare affiliations via rank; wrap some long lines
daurnimator <quae@daurnimator.com>
parents: 6221
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146 local from = stanza:get_child("x", "http://jabber.org/protocol/muc#user")
97d53caef325 plugins/muc/members_only.lib: Compare affiliations via rank; wrap some long lines
daurnimator <quae@daurnimator.com>
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147 :get_child("invite").attr.from;
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daurnimator <quae@daurnimator.com>
parents: 6221
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148 module:log("debug", "%s invited %s into members only room %s, granting membership",
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daurnimator <quae@daurnimator.com>
parents: 6221
diff changeset
149 from, invitee, room.jid);
97d53caef325 plugins/muc/members_only.lib: Compare affiliations via rank; wrap some long lines
daurnimator <quae@daurnimator.com>
parents: 6221
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150 -- This might fail; ignore for now
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Matthew Wild <mwild1@gmail.com>
parents: 7401
diff changeset
151 room:set_affiliation(true, invitee, "member", "Invited by " .. from);
7353
ca31d3271cf8 MUC: Save room to storage once after form processing, not in each individual setter
Kim Alvefur <zash@zash.se>
parents: 7352
diff changeset
152 room:save();
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parents: 6221
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153 end
6221
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parents:
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154 end
f321536afeec plugins/muc/muc.lib: Move members_only into seperate file
daurnimator <quae@daurnimator.com>
parents:
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155 end);
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parents:
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156
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daurnimator <quae@daurnimator.com>
parents:
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157 return {
f321536afeec plugins/muc/muc.lib: Move members_only into seperate file
daurnimator <quae@daurnimator.com>
parents:
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158 get = get_members_only;
f321536afeec plugins/muc/muc.lib: Move members_only into seperate file
daurnimator <quae@daurnimator.com>
parents:
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159 set = set_members_only;
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Matthew Wild <mwild1@gmail.com>
parents: 7401
diff changeset
160 get_allow_member_invites = get_allow_member_invites;
92f0876b9230 MUC: Add config option to allow members to invite other members to the room (previously only owners/admins could do this)
Matthew Wild <mwild1@gmail.com>
parents: 7401
diff changeset
161 set_allow_member_invites = set_allow_member_invites;
6221
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parents:
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162 };