From c51d925c84918dbfbfa1bfe98d1948079265ae48 Mon Sep 17 00:00:00 2001
From: Daijiro Wachi <daijiro.wachi@gmail.com>
Date: Mon, 20 Mar 2017 11:40:54 -0700
Subject: [PATCH] url: restrict setting protocol to "file"

Since file URLs can not have `username/password/port`,
the specification was updated to restrict setting protocol to "file".

Refs: https://github.com/whatwg/url/pull/269
Fixes: https://github.com/nodejs/node/issues/11785
PR-URL: https://github.com/nodejs/node/pull/11887
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
---
 lib/internal/url.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/internal/url.js b/lib/internal/url.js
index 3dc317a8bbb7c3..ad3f0d6f0bbab0 100644
--- a/lib/internal/url.js
+++ b/lib/internal/url.js
@@ -122,6 +122,13 @@ function onParseProtocolComplete(flags, protocol, username, password,
   if ((s && !newIsSpecial) || (!s && newIsSpecial)) {
     return;
   }
+  if (protocol === 'file:' &&
+    (ctx.username || ctx.password || ctx.port !== undefined)) {
+    return;
+  }
+  if (ctx.scheme === 'file:' && !ctx.host) {
+    return;
+  }
   if (newIsSpecial) {
     ctx.flags |= binding.URL_FLAGS_SPECIAL;
   } else {