diff options
Diffstat (limited to 'plugins/muc/members_only.lib.lua')
| -rw-r--r-- | plugins/muc/members_only.lib.lua | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/plugins/muc/members_only.lib.lua b/plugins/muc/members_only.lib.lua new file mode 100644 index 00000000..90e91617 --- /dev/null +++ b/plugins/muc/members_only.lib.lua @@ -0,0 +1,129 @@ +-- Prosody IM +-- Copyright (C) 2008-2010 Matthew Wild +-- Copyright (C) 2008-2010 Waqas Hussain +-- Copyright (C) 2014 Daurnimator +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- + +local st = require "util.stanza"; + +local muc_util = module:require "muc/util"; +local valid_roles, valid_affiliations = muc_util.valid_roles, muc_util.valid_affiliations; + +local function get_members_only(room) + return room._data.members_only; +end + +local function set_members_only(room, members_only) + members_only = members_only and true or nil; + if room._data.members_only == members_only then return false; end + room._data.members_only = members_only; + if members_only then + --[[ + If as a result of a change in the room configuration the room type is + changed to members-only but there are non-members in the room, + the service MUST remove any non-members from the room and include a + status code of 322 in the presence unavailable stanzas sent to those users + as well as any remaining occupants. + ]] + local occupants_changed = {}; + for nick, occupant in room:each_occupant() do + local affiliation = room:get_affiliation(occupant.bare_jid); + if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then + occupant.role = nil; + room:save_occupant(occupant); + occupants_changed[occupant] = true; + end + end + local x = st.stanza("x", {xmlns = "http://jabber.org/protocol/muc#user"}) + :tag("status", {code="322"}):up(); + for occupant in pairs(occupants_changed) do + room:publicise_occupant_status(occupant, x); + module:fire_event("muc-occupant-left", {room = room; nick = occupant.nick; occupant = occupant;}); + end + end + if room.save then room:save(true); end + return true; +end + +module:hook("muc-disco#info", function(event) + event.reply:tag("feature", {var = get_members_only(event.room) and "muc_membersonly" or "muc_open"}):up(); +end); + +module:hook("muc-config-form", function(event) + table.insert(event.form, { + name = "muc#roomconfig_membersonly"; + type = "boolean"; + label = "Make Room Members-Only?"; + value = get_members_only(event.room); + }); +end); + +module:hook("muc-config-submitted", function(event) + local new = event.fields["muc#roomconfig_membersonly"]; + if new ~= nil and set_members_only(event.room, new) then + event.status_codes["104"] = true; + end +end); + +-- No affiliation => role of "none" +module:hook("muc-get-default-role", function(event) + if not event.affiliation and get_members_only(event.room) then + return false; + end +end); + +-- registration required for entering members-only room +module:hook("muc-occupant-pre-join", function(event) + local room = event.room; + if get_members_only(room) then + local stanza = event.stanza; + local affiliation = room:get_affiliation(stanza.attr.from); + if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then + local reply = st.error_reply(stanza, "auth", "registration-required"):up(); + reply.tags[1].attr.code = "407"; + event.origin.send(reply:tag("x", {xmlns = "http://jabber.org/protocol/muc"})); + return true; + end + end +end, -5); + +-- Invitation privileges in members-only rooms SHOULD be restricted to room admins; +-- if a member without privileges to edit the member list attempts to invite another user +-- the service SHOULD return a <forbidden/> error to the occupant +module:hook("muc-pre-invite", function(event) + local room = event.room; + if get_members_only(room) then + local stanza = event.stanza; + local affiliation = room:get_affiliation(stanza.attr.from); + if valid_affiliations[affiliation or "none"] < valid_affiliations.admin then + event.origin.send(st.error_reply(stanza, "auth", "forbidden")); + return true; + end + end +end); + +-- When an invite is sent; add an affiliation for the invitee +module:hook("muc-invite", function(event) + local room = event.room; + if get_members_only(room) then + local stanza = event.stanza; + local invitee = stanza.attr.to; + local affiliation = room:get_affiliation(invitee); + if valid_affiliations[affiliation or "none"] <= valid_affiliations.none then + local from = stanza:get_child("x", "http://jabber.org/protocol/muc#user") + :get_child("invite").attr.from; + module:log("debug", "%s invited %s into members only room %s, granting membership", + from, invitee, room.jid); + -- This might fail; ignore for now + room:set_affiliation(from, invitee, "member", "Invited by " .. from); + end + end +end); + +return { + get = get_members_only; + set = set_members_only; +}; |