class/System.Web.Mvc/System.Web.Mvc/ValidateInputAttribute.cs

   1 /* ****************************************************************************
   2  *
   3  * Copyright (c) Microsoft Corporation. All rights reserved.
   4  *
   5  * This software is subject to the Microsoft Public License (Ms-PL).
   6  * A copy of the license can be found in the license.htm file included
   7  * in this distribution.
   8  *
   9  * You must not remove this notice, or any other, from this software.
  10  *
  11  * ***************************************************************************/
  12
  13 namespace System.Web.Mvc {
  14     using System;
  15     using System.Diagnostics.CodeAnalysis;
  16
  17     [SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes",
  18         Justification = "No compelling performance reason to seal this type.")]
  19     [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
  20     public class ValidateInputAttribute : FilterAttribute, IAuthorizationFilter {
  21
  22         public ValidateInputAttribute(bool enableValidation) {
  23             EnableValidation = enableValidation;
  24         }
  25
  26         public bool EnableValidation {
  27             get;
  28             private set;
  29         }
  30
  31         public virtual void OnAuthorization(AuthorizationContext filterContext) {
  32             if (filterContext == null) {
  33                 throw new ArgumentNullException("filterContext");
  34             }
  35
  36             filterContext.Controller.ValidateRequest = EnableValidation;
  37         }
  38
  39     }
  40 }