Mercurial > prosody-modules
view mod_turncredentials/mod_turncredentials.lua @ 1261:6a37bd22c8df
mod_s2s_auth_dane: Warn about unsupported DANE params
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 03 Jan 2014 15:00:05 +0100 |
parents | a18effacd384 |
children | 853a382c9bd6 |
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-- XEP-0215 implementation for time-limited turn credentials -- Copyright (C) 2012-2013 Philipp Hancke -- This file is MIT/X11 licensed. local st = require "util.stanza"; local hmac_sha1 = require "util.hashes".hmac_sha1; local base64 = require "util.encodings".base64; local os_time = os.time; local secret = module:get_option_string("turncredentials_secret"); local host = module:get_option_string("turncredentials_host"); -- use ip addresses here to avoid further dns lookup latency local port = module:get_option_number("turncredentials_port", 3478); local ttl = module:get_option_number("turncredentials_ttl", 86400); if not (secret and host) then module:log("error", "turncredentials not configured"); return; end module:hook("iq-get/host/urn:xmpp:extdisco:1:services", function(event) local origin, stanza = event.origin, event.stanza; if origin.type ~= "c2s" then return; end local now = os_time() + ttl; local userpart = tostring(now); local nonce = base64.encode(hmac_sha1(secret, tostring(userpart), false)); origin.send(st.reply(stanza):tag("services", {xmlns = "urn:xmpp:extdisco:1"}) :tag("service", { type = "stun", host = host, port = port }):up() :tag("service", { type = "turn", host = host, port = port, username = userpart, password = nonce, ttl = ttl}):up() ); return true; end);