Update isLocal logic to enforce protocol and port (vercel#1737)

khankuan · timneutkens · commit fb0b7534d7cc · 2017-04-22T15:07:36.000+02:00
diff --git a/lib/link.js b/lib/link.js
@@ -129,8 +129,8 @@ export default class Link extends Component {
 function isLocal (href) {
   const url = parse(href, false, true)
   const origin = parse(getLocationOrigin(), false, true)
-  return (!url.host || !url.hostname) ||
-    (origin.host === url.host || origin.hostname === url.hostname)
+  return !url.host ||
+    (url.protocol === origin.protocol && url.host === origin.host)
 }
 
 const warnLink = execOnce(warn)
