view plugins/mod_stanza_debug.lua @ 12032:3db09eb4c43b

util.format: Ensure sanitation of strings passed to wrong format Ie. log("debug", "%d", "\1\2\3") should not result in garbage. Also optimizing for the common case of ASCII string passed to %s and early returns everywhere. Returning nil from a gsub callback keeps the original substring.
author Kim Alvefur <zash@zash.se>
date Sat, 11 Dec 2021 13:30:34 +0100
parents 0f335815244f
children 74b9e05af71e
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module:set_global();

local filters = require "util.filters";

local function log_send(t, session)
	if t and t ~= "" and t ~= " " then
		session.log("debug", "SEND: %s", t);
	end
	return t;
end

local function log_recv(t, session)
	if t and t ~= "" and t ~= " " then
		session.log("debug", "RECV: %s", t);
	end
	return t;
end

local function init_raw_logging(session)
	filters.add_filter(session, "stanzas/in",  log_recv, -10000);
	filters.add_filter(session, "stanzas/out", log_send,  10000);
end

filters.add_filter_hook(init_raw_logging);

function module.unload()
	filters.remove_filter_hook(init_raw_logging);
end