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mod_turncredentials/mod_turncredentials.lua @ 5185:09d6bbd6c8a4
mod_http_oauth2: Fix treatment of 'redirect_uri' parameter in code flow
It's optional and the one stored in the client registration should
really be used instead. RFC 6749 says an URI provided as parameter MUST
be validated against the stored one but does not say how.
Given that the client needs their secret to proceed, it seems fine to
leave this for later.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 02 Mar 2023 22:00:42 +0100 |
parent | 3977:bbfcd786cc78 |
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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);