41 lines
1.8 KiB
C#
41 lines
1.8 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="PartialTrustHelpers.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Services
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{
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using System.Security;
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using System.Web.Hosting;
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internal static class PartialTrustHelpers
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{
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[SecurityCritical]
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private static bool isInPartialTrustOutsideAspNet; // indicates if we are running in partial trust outside the ASP.NET context
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[SecurityCritical]
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private static bool isInPartialTrustOutsideAspNetInitialized = false;
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/// <summary>
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/// Used to guard usage of System.Web types in partial trust outside the ASP.NET context (because they are not secure),
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/// in which case we shutdown the process.
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/// </summary>
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[SecuritySafeCritical] // Critical because it uses security critical fields. Safe because it doesn't take user input and it doesn't leak security sensitive information.
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internal static void FailIfInPartialTrustOutsideAspNet()
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{
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if (!isInPartialTrustOutsideAspNetInitialized)
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{
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// The HostingEnvironment.IsHosted property is safe to be called in partial trust outside the ASP.NET context.
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isInPartialTrustOutsideAspNet = !(AppDomain.CurrentDomain.IsFullyTrusted || HostingEnvironment.IsHosted);
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isInPartialTrustOutsideAspNetInitialized = true;
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}
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if (isInPartialTrustOutsideAspNet)
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{
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throw new SecurityException(Res.GetString(Res.CannotRunInPartialTrustOutsideAspNet));
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}
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}
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}
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}
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