view mod_addressing/mod_addressing.lua @ 5354:39d59d857bfb

mod_http_oauth2: Use new mod_cron API for periodic cleanup Less frequent but this isn't that important after all since, as the comment states, expired codes are not usable anyway. They're also not that large so memory usage probably doesn't matter.
author Kim Alvefur <zash@zash.se>
date Sat, 22 Apr 2023 11:59:52 +0200
parents f66a08f208ad
children
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-- TODO Querying other servers for support, needs to keep track of remote
-- server disco features

local xmlns_address = 'http://jabber.org/protocol/address';

local function handle_extended_addressing(data)
	local stanza = data.stanza;
	if stanza.attr.type == "error" then
		return -- so we don't process bounces
	end
	local orig_to = stanza.attr.to;
	local addresses = stanza:get_child("addresses", xmlns_address);
	if addresses then
		module:log("debug", "Extended addressing found");
		local destinations = {};
		addresses:maptags(function(address)
			if address.attr.xmlns == xmlns_address and address.name == "address" then
				local type, jid, delivered = address.attr.type, address.attr.jid, address.attr.delivered;
				if (type == "cc" or type == "bcc" or type == "to")
					and jid and not delivered then
					destinations[#destinations+1] = jid;
					module:log("debug", "%s to %s", type, jid)
					if type == "to" or type == "cc" then
						address.attr.delivered = "true";
						return address;
					elseif type == "bcc" then
						return nil;
					end
				end
			end
			return address; -- unsupported stuff goes right back
		end);
		for i=1,#destinations do
			stanza.attr.to = destinations[i];
			module:log("debug", "posting stanza to %s", destinations[i])
			module:send(stanza);
		end
		stanza.attr.to = orig_to;
		return stanza.attr.to == module.host or nil;
	end
end

module:hook("message/host", handle_extended_addressing, 10);
module:hook("message/bare", handle_extended_addressing, 10);
module:hook("message/full", handle_extended_addressing, 10);

module:hook("presence/host", handle_extended_addressing, 10);
module:hook("presence/bare", handle_extended_addressing, 10);
module:hook("presence/full", handle_extended_addressing, 10);

-- IQ stanzas makes no sense

module:add_feature(xmlns_address);