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//------------------------------------------------------------------------------
// <copyright file="DynamicValidationShim.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
// This is a special class used by Microsoft.Web.Infrastructure.dll to interface with the request validation system.
// M.W.I was created before the existence of this class and has its own implementation of granular request validation,
// but it uses reflection to look for this class. If this class exists, M.W.I calls the methods defined on this class
// rather than using its own internal implementation.
namespace Microsoft.Web.Infrastructure.DynamicValidationHelper {
using System;
using System.Collections.Specialized;
using System.Web;
internal static class DynamicValidationShim {
// Enables granular request validation for the current request.
internal static void EnableDynamicValidation(HttpContext context) {
// Because .NET 4.5 is an in-place update granular request validation is disabled by default for back-compat
// reasons (request validation defaults to the 4.0 behavior).
// We need to enable it for the current request so that MVC 3 and Web Pages 1 continue to work on .NET 4.5.
context.Request.EnableGranularRequestValidation();
}
// Returns a value indicating whether request validation was ever turned on for this request.
internal static bool IsValidationEnabled(HttpContext context) {
return context.Request.ValidateInputWasCalled;
}
// Given an HttpContext object, provides access to the unvalidated Form and QueryString collections.
internal static void GetUnvalidatedCollections(HttpContext context, out Func<NameValueCollection> formGetter, out Func<NameValueCollection> queryStringGetter) {
UnvalidatedRequestValues unvalidated = context.Request.Unvalidated;
formGetter = () => unvalidated.Form;
queryStringGetter = () => unvalidated.QueryString;
}
}
}
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