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100 lines
3.0 KiB
100 lines
3.0 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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--
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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, jid = require "util.stanza", require "util.jid";
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local hosts = prosody.hosts;
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local is_admin = require "core.usermanager".is_admin;
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function send_to_online(message, host)
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local sessions;
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if host then
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sessions = { [host] = hosts[host] };
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else
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sessions = hosts;
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end
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local c = 0;
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for hostname, host_session in pairs(sessions) do
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if host_session.sessions then
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message.attr.from = hostname;
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for username in pairs(host_session.sessions) do
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c = c + 1;
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message.attr.to = username.."@"..hostname;
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module:send(message);
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end
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end
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end
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return c;
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end
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-- Old <message>-based jabberd-style announcement sending
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function handle_announcement(event)
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local stanza = event.stanza;
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local node, host, resource = jid.split(stanza.attr.to);
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if resource ~= "announce/online" then
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return; -- Not an announcement
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end
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if not is_admin(stanza.attr.from) then
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-- Not an admin? Not allowed!
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module:log("warn", "Non-admin '%s' tried to send server announcement", stanza.attr.from);
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return;
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end
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module:log("info", "Sending server announcement to all online users");
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local message = st.clone(stanza);
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message.attr.type = "headline";
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message.attr.from = host;
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local c = send_to_online(message, host);
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module:log("info", "Announcement sent to %d online users", c);
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return true;
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end
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module:hook("message/host", handle_announcement);
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-- Ad-hoc command (XEP-0133)
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local dataforms_new = require "util.dataforms".new;
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local announce_layout = dataforms_new{
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title = "Making an Announcement";
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instructions = "Fill out this form to make an announcement to all\nactive users of this service.";
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{ name = "FORM_TYPE", type = "hidden", value = "http://jabber.org/protocol/admin" };
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{ name = "subject", type = "text-single", label = "Subject" };
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{ name = "announcement", type = "text-multi", required = true, label = "Announcement" };
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};
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function announce_handler(_, data, state)
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if state then
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if data.action == "cancel" then
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return { status = "canceled" };
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end
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local fields = announce_layout:data(data.form);
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module:log("info", "Sending server announcement to all online users");
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local message = st.message({type = "headline"}, fields.announcement):up()
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:tag("subject"):text(fields.subject or "Announcement");
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local count = send_to_online(message, data.to);
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module:log("info", "Announcement sent to %d online users", count);
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return { status = "completed", info = ("Announcement sent to %d online users"):format(count) };
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else
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return { status = "executing", actions = {"next", "complete", default = "complete"}, form = announce_layout }, "executing";
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end
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end
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module:depends "adhoc";
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local adhoc_new = module:require "adhoc".new;
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local announce_desc = adhoc_new("Send Announcement to Online Users", "http://jabber.org/protocol/admin#announce", announce_handler, "admin");
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module:provides("adhoc", announce_desc);
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