node_modules: update (#297)

Co-authored-by: dawidd6 <9713907+dawidd6@users.noreply.github.com>

node_modules/nodemailer/lib/smtp-connection/http-proxy-client.js

@@ -6,7 +6,7 @@
 
 const net = require('net');
 const tls = require('tls');
-const urllib = require('url');
+const urllib = require('../shared/url');
 const errors = require('../errors');
 
 /**
@@ -19,20 +19,29 @@ const errors = require('../errors');
  * @param {String} proxyUrl proxy configuration, etg "http://proxy.host:3128/"
  * @param {Number} destinationPort Port to open in destination host
  * @param {String} destinationHost Destination hostname
+ * @param {Object} [tlsOptions] Optional TLS options for an HTTPS proxy (e.g. { rejectUnauthorized: false })
  * @param {Function} callback Callback to run with the rocket object once connection is established
  */
-function httpProxyClient(proxyUrl, destinationPort, destinationHost, callback) {
+function httpProxyClient(proxyUrl, destinationPort, destinationHost, tlsOptions, callback) {
+    if (typeof tlsOptions === 'function') {
+        callback = tlsOptions;
+        tlsOptions = {};
+    }
+    tlsOptions = tlsOptions || {};
+
     const proxy = urllib.parse(proxyUrl);
 
-    const options = {
+    const connectOptions = {
         host: proxy.hostname,
         port: Number(proxy.port) ? Number(proxy.port) : proxy.protocol === 'https:' ? 443 : 80
     };
 
     let connect;
     if (proxy.protocol === 'https:') {
-        // we can use untrusted proxies as long as we verify actual SMTP certificates
-        options.rejectUnauthorized = false;
+        // Validate the proxy's TLS certificate by default. A caller that uses a
+        // self-signed proxy (e.g. integration tests) opts out explicitly with
+        // tls.rejectUnauthorized === false.
+        connectOptions.rejectUnauthorized = tlsOptions.rejectUnauthorized !== false;
         connect = tls.connect.bind(tls);
     } else {
         connect = net.connect.bind(net);
@@ -62,7 +71,7 @@ function httpProxyClient(proxyUrl, destinationPort, destinationHost, callback) {
         tempSocketErr(err);
     };
 
-    socket = connect(options, () => {
+    socket = connect(connectOptions, () => {
         if (finished) {
             return;
         }