view mod_filter_words/mod_filter_words.lua @ 4976:75b6e5df65f9

various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents 677fc0203da0
children
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local filters = require "util.filters";

local replacements = module:get_option("filter_words", {});

if not replacements then
	module:log("warn", "No 'filter_words' option set, filters inactive");
	return
end

function filter_stanza(stanza)
	if stanza.name == "message" then
		local body = stanza:get_child("body");
		if body then
			body[1] = body[1]:gsub("%a+", replacements);
		end
	end
	return stanza;
end

function filter_session(session)
	filters.add_filter(session, "stanzas/in", filter_stanza);
end

function module.load()
	if module.reloading then
		module:log("warn", "RELOADING!!!");
	end
	filters.add_filter_hook(filter_session);
end

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