Respect NODE_TLS_REJECT_UNAUTHORIZED environment variable under node (#2670)

* fix: Respect NODE_TLS_REJECT_UNAUTHORIZED environment when setting up the node Http Client sslAgent

* chore: change log for bugfix-s3-8f3bc1d4.json

* chore: change log component bugfix-node-s3-sqs-8f3bc1d4

* Add unit test for PR

* Fix typo

* Test should do no harm

* style: linting errors fixed in node_http_client.spec

* style: space-before-function-paren fix in node_http_client.spec

Co-authored-by: kimihiro64 <[email protected]>

Author: bbeausej

.changes/next-release/bugfix-node-s3-sqs-8f3bc1d4.json

@@ -0,0 +1,5 @@
+{
+  "type": "bugfix",
+  "category": "node-s3-sqs",
+  "description": "Respect the NODE_TLS_REJECT_UNAUTHORIZED environment under node when instantiating an http client sslAgent"
+}

lib/http/node.js

@@ -149,7 +149,7 @@ AWS.NodeHttpClient = AWS.util.inherit({
     if (useSSL) {
       if (!AWS.NodeHttpClient.sslAgent) {
         AWS.NodeHttpClient.sslAgent = new http.Agent(AWS.util.merge({
-          rejectUnauthorized: true
+          rejectUnauthorized: process.env.NODE_TLS_REJECT_UNAUTHORIZED === '0' ? false : true
         }, agentOptions || {}));
         AWS.NodeHttpClient.sslAgent.setMaxListeners(0);