Mercurial > prosody-modules
view mod_turncredentials/mod_turncredentials.lua @ 4942:e7b9bc629ecc
mod_rest: Add special handling to catch MAM results from remote hosts
Makes MAM queries to remote hosts works.
As the comment says, MAM results from users' local archives or local
MUCs are returned via origin.send() which is provided in the event and
thus already worked. Results from remote hosts go via normal stanza
routing and events, which need this extra handling to catch.
This pattern of iq-set, message+, iq-result is generally limited to MAM.
Closest similar thing might be MUC join, but to really handle that you
would need the webhook callback mechanism.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 16 May 2022 19:47:09 +0200 |
parents | bbfcd786cc78 |
children |
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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 datetime = require "util.datetime".datetime; 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:add_feature("urn:xmpp:extdisco:1"); 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 expires_at = os_time() + ttl; local userpart = tostring(expires_at); 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 = ("%d"):format(port) }):up() :tag("service", { type = "turn", host = host, port = ("%d"):format(port), username = userpart, password = nonce, ttl = ("%d"):format(ttl) }):up() ); return true; end); module:add_feature("urn:xmpp:extdisco:2"); module:hook("iq-get/host/urn:xmpp:extdisco:2:services", function(event) local origin, stanza = event.origin, event.stanza; if origin.type ~= "c2s" then return; end local expires_at = os_time() + ttl; local userpart = tostring(expires_at); local nonce = base64.encode(hmac_sha1(secret, tostring(userpart), false)); origin.send(st.reply(stanza):tag("services", {xmlns = "urn:xmpp:extdisco:2"}) :tag("service", { type = "stun", transport = "udp", host = host, port = ("%d"):format(port) }):up() :tag("service", { type = "stun", transport = "tcp", host = host, port = ("%d"):format(port) }):up() :tag("service", { type = "turn", transport = "udp", host = host, port = ("%d"):format(port), username = userpart, password = nonce, expires = datetime(expires_at), restricted = "1" }):up() :tag("service", { type = "turn", transport = "tcp", host = host, port = ("%d"):format(port), username = userpart, password = nonce, expires = datetime(expires_at), restricted = "1" }):up() ); return true; end);