From 6cf59732fb7492a3539cbb996aedb780b04566ed Mon Sep 17 00:00:00 2001
From: Dave Horton <daveh@beachdognet.com>
Date: Wed, 30 Aug 2023 22:09:28 -0400
Subject: [PATCH] add env var PAD_CRYPTO to pad crypto params (#102)

---
 lib/utils.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/utils.js b/lib/utils.js
index 8c3c879..44b2d24 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -6,6 +6,8 @@ function makeRtpEngineOpts(req, srcIsUsingSrtp, dstIsUsingSrtp, teams = false) {
   const from = req.getParsedHeader('from');
   const rtpCopy = JSON.parse(JSON.stringify(rtpCharacteristics));
   const srtpCopy = JSON.parse(JSON.stringify(srtpCharacteristics));
+  if (process.env.PAD_CRYPTO) srtpCopy['default'].flags.push('SDES-pad');
+
   const srtpOpts = teams ? srtpCopy['teams'] : srtpCopy['default'];
   const dstOpts = dstIsUsingSrtp ? srtpOpts : rtpCopy;
   const srcOpts = srcIsUsingSrtp ? srtpOpts : rtpCopy;