Additional stuff for #521

CHANGELOG.md

@@ -1,5 +1,7 @@
 #### HEAD
 
+- Added a `isDataURI` validator
+  ([#521](https://github.com/chriso/validator.js/pull/521))
 - Fixed a bug with `isURL()` when protocol was missing and :// appeared in the query
   ([#518](https://github.com/chriso/validator.js/issues/518))
 

index.js

@@ -192,6 +192,10 @@ var _isBase = require('./lib/isBase64');
 
 var _isBase2 = _interopRequireDefault(_isBase);
 
+var _isDataURI = require('./lib/isDataURI');
+
+var _isDataURI2 = _interopRequireDefault(_isDataURI);
+
 var _ltrim = require('./lib/ltrim');
 
 var _ltrim2 = _interopRequireDefault(_ltrim);
@@ -264,7 +268,7 @@ var validator = {
   isMobilePhone: _isMobilePhone2.default,
   isCurrency: _isCurrency2.default,
   isISO8601: _isISO2.default,
-  isBase64: _isBase2.default,
+  isBase64: _isBase2.default, isDataURI: _isDataURI2.default,
   ltrim: _ltrim2.default, rtrim: _rtrim2.default, trim: _trim2.default,
   escape: _escape2.default, unescape: _unescape2.default, stripLow: _stripLow2.default,
   whitelist: _whitelist2.default, blacklist: _blacklist2.default,

lib/isDataURI.js

@@ -0,0 +1,20 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = isDataURI;
+
+var _assertString = require('./util/assertString');
+
+var _assertString2 = _interopRequireDefault(_assertString);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var dataURI = /^\s*data:([a-z]+\/[a-z0-9\-\+]+(;[a-z\-]+\=[a-z0-9\-]+)?)?(;base64)?,[a-z0-9\!\$\&\'\,\(\)\*\+\,\;\=\-\.\_\~\:\@\/\?\%\s]*\s*$/i; // eslint-disable-line max-len
+
+function isDataURI(str) {
+  (0, _assertString2.default)(str);
+  return dataURI.test(str);
+}
+module.exports = exports['default'];

validator.js

@@ -960,6 +960,13 @@
         return firstPaddingChar === -1 || firstPaddingChar === len - 1 || firstPaddingChar === len - 2 && str[len - 1] === '=';
       }
 
+      var dataURI = /^\s*data:([a-z]+\/[a-z0-9\-\+]+(;[a-z\-]+\=[a-z0-9\-]+)?)?(;base64)?,[a-z0-9\!\$\&\'\,\(\)\*\+\,\;\=\-\.\_\~\:\@\/\?\%\s]*\s*$/i; // eslint-disable-line max-len
+
+      function isDataURI(str) {
+        assertString(str);
+        return dataURI.test(str);
+      }
+
       function ltrim(str, chars) {
         assertString(str);
         var pattern = chars ? new RegExp('^[' + chars + ']+', 'g') : /^\s+/g;
@@ -1071,7 +1078,7 @@
         isMobilePhone: isMobilePhone,
         isCurrency: isCurrency,
         isISO8601: isISO8601,
-        isBase64: isBase64,
+        isBase64: isBase64, isDataURI: isDataURI,
         ltrim: ltrim, rtrim: rtrim, trim: trim,
         escape: escape, unescape: unescape, stripLow: stripLow,
         whitelist: whitelist, blacklist: blacklist,