Changed validate check to enumerated file type

Author: hewmorist

lib/fileinfo.js

@@ -16,7 +16,7 @@ module.exports = function (options) {
             this.error = 'File is too small';
         } else if (options.maxFileSize && options.maxFileSize < this.size) {
             this.error = 'File is too big';
-        } else if (!options.acceptFileTypes.test(this.name)) {
+        } else if (_.indexOf(options.acceptFileTypes, this.type === -1) {
             this.error = 'Filetype not allowed';
         }
         return !this.error;
@@ -39,4 +39,4 @@ module.exports = function (options) {
     }
 
     return FileInfo;
-};
+};