[fix] Strip all control characters from the beginning of the URL

lpinca · lpinca · commit 0e3fb542d60d · 2022-02-20T08:56:24.000+01:00
diff --git a/index.js b/index.js
@@ -6,7 +6,7 @@ var required = require('requires-port')
   , slashes = /^[A-Za-z][A-Za-z0-9+-.]*:\/\//
   , protocolre = /^([a-z][a-z0-9.+-]*:)?(\/\/)?([\\/]+)?([\S\s]*)/i
   , windowsDriveLetter = /^[a-zA-Z]:/
-  , whitespace = /^[ \f\n\r\t\v\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]+/;
+  , whitespace = /^[\x00-\x20\u00a0\u1680\u2000-\u200a\u2028\u2029\u202f\u205f\u3000\ufeff]+/;
 
 /**
  * Trim a given string.
diff --git a/test/test.js b/test/test.js
@@ -47,8 +47,14 @@ describe('url-parse', function () {
       assume(parse.trimLeft).is.a('function');
     });
 
-    it('removes whitespace on the left', function () {
-      assume(parse.trimLeft('  lol')).equals('lol');
+    it('removes control characters on the left', function () {
+      var i = 0;
+      var prefix = ''
+
+      for (; i < 33; i++) {
+        prefix = String.fromCharCode(i);
+        assume(parse.trimLeft(prefix + prefix +'lol')).equals('lol');
+      }
     });
 
     it('calls toString on a given value', function () {
