X509PeerCertificateAuthentication.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Security / X509PeerCertificateAuthentication.cs / 1 / X509PeerCertificateAuthentication.cs

                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Security 
{
    using System.IdentityModel.Selectors; 
    using System.ServiceModel; 
    using System.Security.Cryptography.X509Certificates;
 
    public class X509PeerCertificateAuthentication
    {
        internal const X509CertificateValidationMode DefaultCertificateValidationMode = X509CertificateValidationMode.PeerOrChainTrust;
        internal const X509RevocationMode DefaultRevocationMode = X509RevocationMode.Online; 
        internal const StoreLocation DefaultTrustedStoreLocation = StoreLocation.CurrentUser;
        static X509CertificateValidator defaultCertificateValidator; 
 
        X509CertificateValidationMode certificateValidationMode = DefaultCertificateValidationMode;
        X509RevocationMode revocationMode = DefaultRevocationMode; 
        StoreLocation trustedStoreLocation = DefaultTrustedStoreLocation;
        X509CertificateValidator customCertificateValidator = null;
        bool isReadOnly;
 
        internal X509PeerCertificateAuthentication()
        { 
        } 

        internal X509PeerCertificateAuthentication(X509PeerCertificateAuthentication other) 
        {
            this.certificateValidationMode = other.certificateValidationMode;
            this.customCertificateValidator = other.customCertificateValidator;
            this.revocationMode = other.revocationMode; 
            this.trustedStoreLocation = other.trustedStoreLocation;
            this.isReadOnly = other.isReadOnly; 
        } 

        internal static X509CertificateValidator DefaultCertificateValidator 
        {
            get
            {
                if (defaultCertificateValidator == null) 
                {
                    bool useMachineContext = DefaultTrustedStoreLocation == StoreLocation.LocalMachine; 
                    X509ChainPolicy chainPolicy = new X509ChainPolicy(); 
                    chainPolicy.RevocationMode = DefaultRevocationMode;
                    defaultCertificateValidator = X509CertificateValidator.CreatePeerOrChainTrustValidator(useMachineContext, chainPolicy); 
                }
                return defaultCertificateValidator;
            }
        } 

        public X509CertificateValidationMode CertificateValidationMode 
        { 
            get
            { 
                return this.certificateValidationMode;
            }
            set
            { 
                X509CertificateValidationModeHelper.Validate(value);
                ThrowIfImmutable(); 
                this.certificateValidationMode = value; 
            }
        } 

        public X509RevocationMode RevocationMode
        {
            get 
            {
                return this.revocationMode; 
            } 
            set
            { 
                ThrowIfImmutable();
                this.revocationMode = value;
            }
        } 

        public StoreLocation TrustedStoreLocation 
        { 
            get
            { 
                return this.trustedStoreLocation;
            }
            set
            { 
                ThrowIfImmutable();
                this.trustedStoreLocation = value; 
            } 
        }
 
        public X509CertificateValidator CustomCertificateValidator
        {
            get
            { 
                return this.customCertificateValidator;
            } 
            set 
            {
                ThrowIfImmutable(); 
                this.customCertificateValidator = value;
            }
        }
 
        internal bool TryGetCertificateValidator(out X509CertificateValidator validator)
        { 
            validator = null; 
            if (this.certificateValidationMode == X509CertificateValidationMode.None)
            { 
                validator = X509CertificateValidator.None;
            }
            else if (this.certificateValidationMode == X509CertificateValidationMode.PeerTrust)
            { 
                validator = X509CertificateValidator.PeerTrust;
            } 
            else if (this.certificateValidationMode == X509CertificateValidationMode.Custom) 
            {
                validator = this.customCertificateValidator; 
            }
            else
            {
                bool useMachineContext = this.trustedStoreLocation == StoreLocation.LocalMachine; 
                X509ChainPolicy chainPolicy = new X509ChainPolicy();
                chainPolicy.RevocationMode = this.revocationMode; 
                if (this.certificateValidationMode == X509CertificateValidationMode.ChainTrust) 
                {
                    validator = X509CertificateValidator.CreateChainTrustValidator(useMachineContext, chainPolicy); 
                }
                else
                {
                    validator = X509CertificateValidator.CreatePeerOrChainTrustValidator(useMachineContext, chainPolicy); 
                }
            } 
            return (validator != null); 
        }
 
        internal X509CertificateValidator GetCertificateValidator()
        {
            X509CertificateValidator result;
            if (!TryGetCertificateValidator(out result)) 
            {
                DiagnosticUtility.DebugAssert(this.customCertificateValidator == null, ""); 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.MissingCustomCertificateValidator))); 
            }
            return result; 
        }

        internal void MakeReadOnly()
        { 
            this.isReadOnly = true;
        } 
 
        void ThrowIfImmutable()
        { 
            if (this.isReadOnly)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.ObjectIsReadOnly)));
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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