From c7ec7ce0bba38861596aec75f4cff131b65cf824 Mon Sep 17 00:00:00 2001
From: Brahim Arkni <brahim.arkni@gmail.com>
Date: Sat, 24 Oct 2015 16:04:38 +0100
Subject: [PATCH] Util: added isURL method

---
 docs/util.md      | 14 +++++++
 gulpfile.babel.js |  2 +
 src/util.js       | 18 ++++++++-
 test/util.test.js | 95 +++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 128 insertions(+), 1 deletion(-)

diff --git a/docs/util.md b/docs/util.md
index b7d26b4..1ead195 100644
--- a/docs/util.md
+++ b/docs/util.md
@@ -49,5 +49,19 @@ let resultFalse = isvalid('88075290')
 // resultFalse => false
 ```
 
+## isURL
+
+Checks for url
+
+#### Usage
+```es6
+import {validate, util} from 'valid.js'
+
+let isvalid = validate(util.isURL)
+let result = isvalid('https://github.com')
+// result => true
+let resultFalse = isvalid('http://.google.com')
+// resultFalse => false
+```
 
 .
diff --git a/gulpfile.babel.js b/gulpfile.babel.js
index f70ec57..36d3b6f 100644
--- a/gulpfile.babel.js
+++ b/gulpfile.babel.js
@@ -20,10 +20,12 @@ gulp.task('browserify', () => {
   browserify({
     entries: './src/validate.js',
     transform: [babelify, es6ify, deglobalify],
+
     // Generate a UMD bundle for the supplied export name.
     // This bundle works with other module systems and sets the name
     // given as a window global if no module system is found.
     standalone: 'valid.js',
+
     // Enable source maps that allow you to debug your files
     // separately.
     debug: true
diff --git a/src/util.js b/src/util.js
index b033ebe..4814875 100644
--- a/src/util.js
+++ b/src/util.js
@@ -56,6 +56,21 @@ function isEmail(email) {
   return string.regex(sValidEmail)(email)
 }
 
+/**
+ * Check for URL
+ *
+ * Copyright (c) 2010-2013 Diego Perini (http://www.iport.it), MIT licensed
+ * https://gist.github.com/dperini/729294
+ * see also https://mathiasbynens.be/demo/url-regex
+ *
+ * @params url
+ * @return boolean
+ */
+function isURL(url) {
+  const regex = /^(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,}))\.?)(?::\d{2,5})?(?:[/?#]\S*)?$/i
+  return string.regex(regex)(url)
+}
+
 /*
  * Checks for cep
  * @params cep
@@ -71,5 +86,6 @@ function isCep(cep) {
 export const util = {
   isRequired: isRequired,
   isEmail: isEmail,
-  isCep: isCep
+  isCep: isCep,
+  isURL: isURL
 }
diff --git a/test/util.test.js b/test/util.test.js
index 3bf6f4e..4a0e7c5 100644
--- a/test/util.test.js
+++ b/test/util.test.js
@@ -167,4 +167,99 @@ describe('Functions Util', () => {
       expect(result('9999-999')).to.not.be.ok()
     })
   })
+
+  describe('#isURL(value)', () => {
+    it('should match', () => {
+      let result = validate(util.isURL)
+      let fixtures = [
+        'http://foo.com/blah_blah',
+        'http://foo.com/blah_blah/',
+        'http://foo.com/blah_blah_(wikipedia)',
+        'http://foo.com/blah_blah_(wikipedia)_(again)',
+        'http://www.example.com/wpstyle/?p=364',
+        'https://www.example.com/foo/?bar=baz&inga=42&quux',
+        'http://✪df.ws/123',
+        'http://userid:password@example.com:8080',
+        'http://userid:password@example.com:8080/',
+        'http://userid@example.com',
+        'http://userid@example.com/',
+        'http://userid@example.com:8080',
+        'http://userid@example.com:8080/',
+        'http://userid:password@example.com',
+        'http://userid:password@example.com/',
+        'http://142.42.1.1/',
+        'http://142.42.1.1:8080/',
+        'http://➡.ws/䨹',
+        'http://⌘.ws',
+        'http://⌘.ws/',
+        'http://foo.com/blah_(wikipedia)#cite-1',
+        'http://foo.com/blah_(wikipedia)_blah#cite-1',
+        'http://foo.com/unicode_(✪)_in_parens',
+        'http://foo.com/(something)?after=parens',
+        'http://☺.damowmow.com/',
+        'http://code.google.com/events/#&product=browser',
+        'http://j.mp',
+        'ftp://foo.bar/baz',
+        'http://foo.bar/?q=Test%20URL-encoded%20stuff',
+        'http://مثال.إختبار',
+        'http://例子.测试',
+        'http://उदाहरण.परीक्षा',
+        'http://-.~_!$&\'()*+,;=:%40:80%2f::::::@example.com',
+        'http://1337.net',
+        'http://a.b-c.de',
+        'http://www.foo.bar./',
+        'http://223.255.255.254'
+      ]
+
+      fixtures.forEach(el => {
+        expect(result(el)).to.be.ok()
+      })
+    })
+
+    it('should not match', () => {
+      let result = validate(util.isURL)
+      let fixtures = [
+        'http://',
+        'http://.',
+        'http://..',
+        'http://../',
+        'http://?',
+        'http://??',
+        'http://??/',
+        'http://#',
+        'http://##',
+        'http://##/',
+        'http://foo.bar?q=Spaces should be encoded',
+        '//',
+        '//a',
+        '///a',
+        '///',
+        'http:///a',
+        'foo.com',
+        'rdar://1234',
+        'h://test',
+        'http:// shouldfail.com',
+        ':// should fail',
+        'http://foo.bar/foo(bar)baz quux',
+        'ftps://foo.bar/',
+        'http://-error-.invalid/',
+        'http://-a.b.co',
+        'http://a.b-.co',
+        'http://0.0.0.0',
+        'http://10.1.1.0',
+        'http://10.1.1.255',
+        'http://224.1.1.1',
+        'http://1.1.1.1.1',
+        'http://123.123.123',
+        'http://3628126748',
+        'http://.www.foo.bar/',
+        'http://.www.foo.bar./',
+        'http://10.1.1.1'
+      ]
+
+      fixtures.forEach(el => {
+        expect(result(el)).to.not.be.ok()
+      })
+    })
+  })
 })