view mod_alias/mod_alias.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 65082d91950e
children
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-- Copyright (C) 2015 Travis Burtrum
-- This file is MIT/X11 licensed.

-- set like so in prosody config, works on full or bare jids, or hosts:
--aliases = {
--		["old@example.net"] = "new@example.net";
--		["you@example.com"] = "you@example.net";
--		["conference.example.com"] = "conference.example.net";
--}

local aliases = module:get_option("aliases", {});
local alias_response = module:get_option("alias_response", "User $alias can be contacted at $target");

local st = require "util.stanza";

function handle_alias(event)

	if event.stanza.attr.type ~= "error" then
		local alias = event.stanza.attr.to;
		local target = aliases[alias];
		if target then
			local replacements = {
				alias = alias,
				target = target
			};
			local error_message = alias_response:gsub("%$([%w_]+)", function (v)
					return replacements[v] or nil;
				end);
			local message = st.message({ type = "chat", from = alias, to = event.stanza.attr.from }, error_message);
			module:send(message);
			return event.origin.send(st.error_reply(event.stanza, "cancel", "gone", error_message));
		end
	end

end

module:hook("message/bare", handle_alias, 300);
module:hook("message/full", handle_alias, 300);
module:hook("message/host", handle_alias, 300);

module:hook("presence/bare", handle_alias, 300);
module:hook("presence/full", handle_alias, 300);
module:hook("presence/host", handle_alias, 300);