tls: deprecate parseCertString & move to internal

`tls.parseCertString()` exposed by accident. Now move this function to
`internal/tls` and mark the original one as deprecated.

PR-URL: https://github.com/nodejs/node/pull/14249
Refs: https://github.com/nodejs/node/issues/14193
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

1 files changed, 6 insertions, 22 deletions

diff --git a/lib/tls.js b/lib/tls.js
index bbf73e6e2ad..91a543cb552 100644
--- a/lib/tls.js
+++ b/lib/tls.js
@@ -23,6 +23,7 @@
 
 const errors = require('internal/errors');
 const internalUtil = require('internal/util');
+const internalTLS = require('internal/tls');
 internalUtil.assertCrypto();
 
 const net = require('net');
@@ -228,28 +229,11 @@ exports.checkServerIdentity = function checkServerIdentity(host, cert) {
   }
 };
 
-// Example:
-// C=US\nST=CA\nL=SF\nO=Joyent\nOU=Node.js\nCN=ca1\nemailAddress=ry@clouds.org
-exports.parseCertString = function parseCertString(s) {
-  var out = Object.create(null);
-  var parts = s.split('\n');
-  for (var i = 0, len = parts.length; i < len; i++) {
-    var sepIndex = parts[i].indexOf('=');
-    if (sepIndex > 0) {
-      var key = parts[i].slice(0, sepIndex);
-      var value = parts[i].slice(sepIndex + 1);
-      if (key in out) {
-        if (!Array.isArray(out[key])) {
-          out[key] = [out[key]];
-        }
-        out[key].push(value);
-      } else {
-        out[key] = value;
-      }
-    }
-  }
-  return out;
-};
+exports.parseCertString = internalUtil.deprecate(
+  internalTLS.parseCertString,
+  'tls.parseCertString() is deprecated. ' +
+  'Please use querystring.parse() instead.',
+  'DEP00XX');
 
 // Public API
 exports.createSecureContext = require('_tls_common').createSecureContext;