new URL can throw on error, add try catch

Author: NickOvt

lib/tools.js

@@ -384,16 +384,22 @@ function escapeRegexStr(string) {
 }
 
 function getRelayData(url) {
-    let urlparts = new URL(url);
+    let urlparts;
+    try {
+        urlparts = new URL(url);
+    } catch {
+        urlparts = {};
+    }
     let targetMx = {
         host: urlparts.hostname,
         port: urlparts.port || 25,
-        auth: urlparts.username || urlparts.password
-            ? {
-                  user: decodeURIComponent(urlparts.username || ''),
-                  pass: decodeURIComponent(urlparts.password || '')
-              }
-            : false,
+        auth:
+            urlparts.username || urlparts.password
+                ? {
+                      user: decodeURIComponent(urlparts.username || ''),
+                      pass: decodeURIComponent(urlparts.password || '')
+                  }
+                : false,
         secure: urlparts.protocol === 'smtps:',
         A: [].concat(net.isIPv4(urlparts.hostname) ? urlparts.hostname : []),
         AAAA: [].concat(net.isIPv6(urlparts.hostname) ? urlparts.hostname : [])