mod_filter_chatstates/mod_filter_chatstates.lua
author Kim Alvefur <zash@zash.se>
Sun, 03 Mar 2024 11:23:40 +0100
changeset 5857 97c9b76867ca
parent 1872 d6e673f98572
permissions -rw-r--r--
mod_log_ringbuffer: Detach event handlers on logging reload (thanks Menel) Otherwise the global event handlers accumulate, one added each time logging is reoladed, and each invocation of the signal or event triggers one dump of each created ringbuffer.

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);