view mod_filter_chatstates/mod_filter_chatstates.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 d6e673f98572
children
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local filters = require "util.filters";
local st = require "util.stanza";

module:depends("csi");

local function chatstate_tag_filter(tag)
	if tag.attr.xmlns ~= "http://jabber.org/protocol/chatstates" then
		return tag;
	end
end

local function filter_chatstates(stanza)
	if stanza.name == "message" then
		stanza = st.clone(stanza);
		stanza:maptags(chatstate_tag_filter);
		if #stanza.tags == 0 then
			return nil;
		end
	end
	return stanza;
end

module:hook("csi-client-inactive", function (event)
	local session = event.origin;
	filters.add_filter(session, "stanzas/out", filter_chatstates);
end);

module:hook("csi-client-active", function (event)
	local session = event.origin;
	filters.remove_filter(session, "stanzas/out", filter_chatstates);
end);