+-- Need visitor role or higher to invite
+module:hook("muc-pre-invite", function(event)
+ local room, stanza = event.room, event.stanza;
+ local _from, _to = stanza.attr.from, stanza.attr.to;
+ local inviter = room:get_occupant_by_real_jid(_from);
+ local role = inviter and inviter.role or room:get_default_role(room:get_affiliation(_from));
+ if valid_roles[role or "none"] <= valid_roles.visitor then
+ event.origin.send(st.error_reply(stanza, "auth", "forbidden"));
+ return true;
+ end
+end);
+
+function room_mt:handle_mediated_invite(origin, stanza)
+ local payload = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("invite");
+ local invitee = jid_prep(payload.attr.to);
+ if not invitee then
+ origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
+ return true;
+ elseif module:fire_event("muc-pre-invite", {room = self, origin = origin, stanza = stanza}) then
+ return true;
+ end
+ local invite = muc_util.filter_muc_x(st.clone(stanza));
+ invite.attr.from = self.jid;
+ invite.attr.to = invitee;
+ invite:tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag('invite', {from = stanza.attr.from;})
+ :tag('reason'):text(payload:get_child_text("reason")):up()
+ :up()
+ :up();
+ if not module:fire_event("muc-invite", {room = self, stanza = invite, origin = origin, incoming = stanza}) then
+ self:route_stanza(invite);
+ end
+ return true;
+end
+
+-- COMPAT: Some older clients expect this
+module:hook("muc-invite", function(event)
+ local room, stanza = event.room, event.stanza;
+ local invite = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("invite");
+ local reason = invite:get_child_text("reason");
+ stanza:tag('x', {xmlns = "jabber:x:conference"; jid = room.jid;})
+ :text(reason or "")
+ :up();
+end);
+
+-- Add a plain message for clients which don't support invites
+module:hook("muc-invite", function(event)
+ local room, stanza = event.room, event.stanza;
+ if not stanza:get_child("body") then
+ local invite = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("invite");
+ local reason = invite:get_child_text("reason") or "";
+ stanza:tag("body")
+ :text(invite.attr.from.." invited you to the room "..room.jid..(reason == "" and (" ("..reason..")") or ""))
+ :up();
+ end
+end);
+
+function room_mt:handle_mediated_decline(origin, stanza)
+ local payload = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("decline");
+ local declinee = jid_prep(payload.attr.to);
+ if not declinee then
+ origin.send(st.error_reply(stanza, "cancel", "jid-malformed"));
+ return true;
+ elseif module:fire_event("muc-pre-decline", {room = self, origin = origin, stanza = stanza}) then
+ return true;
+ end
+ local decline = muc_util.filter_muc_x(st.clone(stanza));
+ decline.attr.from = self.jid;
+ decline.attr.to = declinee;
+ decline:tag("x", {xmlns = "http://jabber.org/protocol/muc#user"})
+ :tag("decline", {from = stanza.attr.from})
+ :tag("reason"):text(payload:get_child_text("reason")):up()
+ :up()
+ :up();
+ if not module:fire_event("muc-decline", {room = self, stanza = decline, origin = origin, incoming = stanza}) then
+ local declinee = decline.attr.to; -- re-fetch, in case event modified it
+ local occupant
+ if jid_bare(declinee) == self.jid then -- declinee jid is already an in-room jid
+ occupant = self:get_occupant_by_nick(declinee);
+ end
+ if occupant then
+ self:route_to_occupant(occupant, decline);
+ else
+ self:route_stanza(decline);
+ end
+ end
+ return true;
+end
+
+-- Add a plain message for clients which don't support declines
+module:hook("muc-decline", function(event)
+ local room, stanza = event.room, event.stanza;
+ if not stanza:get_child("body") then
+ local decline = stanza:get_child("x", "http://jabber.org/protocol/muc#user"):get_child("decline");
+ local reason = decline:get_child_text("reason") or "";
+ stanza:tag("body")
+ :text(decline.attr.from.." declined your invite to the room "..room.jid..(reason == "" and (" ("..reason..")") or ""))
+ :up();
+ end
+end);
+
+function room_mt:handle_message_to_room(origin, stanza)
+ local type = stanza.attr.type;
+ if type == "groupchat" then
+ return self:handle_groupchat_to_room(origin, stanza)
+ elseif type == "error" and is_kickable_error(stanza) then
+ return self:handle_kickable(origin, stanza)
+ elseif type == nil then
+ local x = stanza:get_child("x", "http://jabber.org/protocol/muc#user");
+ if x then
+ local payload = x.tags[1];
+ if payload == nil then
+ -- fallthrough
+ elseif payload.name == "invite" and payload.attr.to then
+ return self:handle_mediated_invite(origin, stanza)
+ elseif payload.name == "decline" and payload.attr.to then
+ return self:handle_mediated_decline(origin, stanza)
+ end
+ origin.send(st.error_reply(stanza, "cancel", "bad-request"));
+ return true;
+ end
+ end
+end
+
+function room_mt:route_stanza(stanza)
+ module:send(stanza);
+end