HostingMessageProperty.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / System.ServiceModel.Activation / System / ServiceModel / Activation / HostingMessageProperty.cs / 1305376 / HostingMessageProperty.cs
                        

                        
                            //---------------------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------------------
namespace System.ServiceModel.Activation
{ 
    using System.Runtime;
    using System.Security; 
    using System.ServiceModel; 

    sealed class HostingMessageProperty : IAspNetMessageProperty 
    {
        const string name = "webhost";

        [Fx.Tag.SecurityNote(Critical = "Keeps track of impersonated user, caller must use with care and call Dispose at the appropriate time.")] 
        [SecurityCritical]
        HostedImpersonationContext impersonationContext; 
 
        [Fx.Tag.SecurityNote(Critical = "Stores a SecurityCritical helper class that controls HttpContext.Current with an elevation." +
            "Need to ensure that HostedThreadData is constructed and used properly.")] 
        [SecurityCritical]
        HostedThreadData currentThreadData;

        [Fx.Tag.SecurityNote(Critical = "Sets impersonation context from an arbitrary source, caller must guard.")] 
        [SecurityCritical]
        internal HostingMessageProperty(HostedHttpRequestAsyncResult result) 
        { 
            Fx.Assert(ServiceHostingEnvironment.IsHosted, "should only be called in the hosted path");
 
            if (ServiceHostingEnvironment.AspNetCompatibilityEnabled)
            {
                if (result.ImpersonationContext != null && result.ImpersonationContext.IsImpersonated)
                { 
                    this.impersonationContext = result.ImpersonationContext;
                    this.impersonationContext.AddRef(); 
                } 

                currentThreadData = result.HostedThreadData; 
            }

            this.OriginalRequestUri = result.OriginalRequestUri;
        } 

        public Uri OriginalRequestUri 
        { 
            get;
            private set; 
        }

        static internal string Name
        { 
            get
            { 
                return name; 
            }
        } 

        HostedImpersonationContext ImpersonationContext
        {
            [Fx.Tag.SecurityNote(Critical = "Keeps track of impersonated user, caller must use with care.", 
                Safe = "Safe for Get, individual members of HostedImpersonationContext are protected.")]
            [SecuritySafeCritical] 
            get 
            {
                return impersonationContext; 
            }
        }

        [Fx.Tag.SecurityNote(Critical = "Delegates to a SecurityCritical method in HostedThreadData." + 
            "Caller must ensure that function is called appropriately and result is guarded and Dispose()'d correctly.")]
        [SecurityCritical] 
        public IDisposable ApplyIntegrationContext() 
        {
            if (ServiceHostingEnvironment.AspNetCompatibilityEnabled) 
            {
                return currentThreadData.CreateContext();
            }
 
            return null;
        } 
 
        [Fx.Tag.SecurityNote(Critical = "Accesses SecurityCritical method HostedImpersonationContext.Impersonate." +
            "Caller should use with care, must take responsibility for reverting impersonation.")] 
        [SecurityCritical]
        public IDisposable Impersonate()
        {
            if (this.ImpersonationContext != null) 
            {
                return this.ImpersonationContext.Impersonate(); 
            } 
            else
            { 
                return null;
            }
        }
 
        [Fx.Tag.SecurityNote(Critical = "Cleans up impersonationContext, which is critical.", Safe = "Doesn't leak anything.")]
        [SecuritySafeCritical] 
        public void Close() 
        {
            if (impersonationContext != null) 
            {
                impersonationContext.Release();
                impersonationContext = null;
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------------------
namespace System.ServiceModel.Activation
{ 
    using System.Runtime;
    using System.Security; 
    using System.ServiceModel; 

    sealed class HostingMessageProperty : IAspNetMessageProperty 
    {
        const string name = "webhost";

        [Fx.Tag.SecurityNote(Critical = "Keeps track of impersonated user, caller must use with care and call Dispose at the appropriate time.")] 
        [SecurityCritical]
        HostedImpersonationContext impersonationContext; 
 
        [Fx.Tag.SecurityNote(Critical = "Stores a SecurityCritical helper class that controls HttpContext.Current with an elevation." +
            "Need to ensure that HostedThreadData is constructed and used properly.")] 
        [SecurityCritical]
        HostedThreadData currentThreadData;

        [Fx.Tag.SecurityNote(Critical = "Sets impersonation context from an arbitrary source, caller must guard.")] 
        [SecurityCritical]
        internal HostingMessageProperty(HostedHttpRequestAsyncResult result) 
        { 
            Fx.Assert(ServiceHostingEnvironment.IsHosted, "should only be called in the hosted path");
 
            if (ServiceHostingEnvironment.AspNetCompatibilityEnabled)
            {
                if (result.ImpersonationContext != null && result.ImpersonationContext.IsImpersonated)
                { 
                    this.impersonationContext = result.ImpersonationContext;
                    this.impersonationContext.AddRef(); 
                } 

                currentThreadData = result.HostedThreadData; 
            }

            this.OriginalRequestUri = result.OriginalRequestUri;
        } 

        public Uri OriginalRequestUri 
        { 
            get;
            private set; 
        }

        static internal string Name
        { 
            get
            { 
                return name; 
            }
        } 

        HostedImpersonationContext ImpersonationContext
        {
            [Fx.Tag.SecurityNote(Critical = "Keeps track of impersonated user, caller must use with care.", 
                Safe = "Safe for Get, individual members of HostedImpersonationContext are protected.")]
            [SecuritySafeCritical] 
            get 
            {
                return impersonationContext; 
            }
        }

        [Fx.Tag.SecurityNote(Critical = "Delegates to a SecurityCritical method in HostedThreadData." + 
            "Caller must ensure that function is called appropriately and result is guarded and Dispose()'d correctly.")]
        [SecurityCritical] 
        public IDisposable ApplyIntegrationContext() 
        {
            if (ServiceHostingEnvironment.AspNetCompatibilityEnabled) 
            {
                return currentThreadData.CreateContext();
            }
 
            return null;
        } 
 
        [Fx.Tag.SecurityNote(Critical = "Accesses SecurityCritical method HostedImpersonationContext.Impersonate." +
            "Caller should use with care, must take responsibility for reverting impersonation.")] 
        [SecurityCritical]
        public IDisposable Impersonate()
        {
            if (this.ImpersonationContext != null) 
            {
                return this.ImpersonationContext.Impersonate(); 
            } 
            else
            { 
                return null;
            }
        }
 
        [Fx.Tag.SecurityNote(Critical = "Cleans up impersonationContext, which is critical.", Safe = "Doesn't leak anything.")]
        [SecuritySafeCritical] 
        public void Close() 
        {
            if (impersonationContext != null) 
            {
                impersonationContext.Release();
                impersonationContext = null;
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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