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local st, jid, set = require "util.stanza", require "util.jid", require "util.set";
local admins = set.new(config.get(module:get_host(), "core", "admins"));
function handle_announcement(data)
local origin, stanza = data.origin, data.stanza;
local host, resource = select(2, jid.split(stanza.attr.to));
if resource ~= "announce/online" then
return; -- Not an announcement
end
if not admins:contains(jid.bare(origin.full_jid)) then
-- Not an admin? Not allowed!
module:log("warn", "Non-admin %s tried to send server announcement", tostring(jid.bare(origin.full_jid)));
origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
return;
end
module:log("info", "Sending server announcement to all online users");
local host_session = hosts[host];
local message = st.clone(stanza);
message.attr.type = "headline";
message.attr.from = host;
local c = 0;
for user in pairs(host_session.sessions) do
c = c + 1;
message.attr.to = user.."@"..host;
core_post_stanza(host_session, message);
end
module:log("info", "Announcement sent to %d online users", c);
return true;
end
module:hook("message/host", handle_announcement);
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