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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Security
{
using System.IdentityModel.Selectors;
using System.Runtime;
using System.Security.Cryptography.X509Certificates;
using System.ServiceModel;
public sealed class X509ServiceCertificateAuthentication
{
internal const X509CertificateValidationMode DefaultCertificateValidationMode = X509CertificateValidationMode.ChainTrust;
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;
public X509ServiceCertificateAuthentication()
{
}
internal X509ServiceCertificateAuthentication(X509ServiceCertificateAuthentication 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.CreateChainTrustValidator(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))
{
Fx.Assert(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)));
}
}
}
}
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