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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.IdentityModel.Selectors
{
using System.IdentityModel.Tokens;
using System.Security.Cryptography.X509Certificates;
public class X509SecurityTokenProvider : SecurityTokenProvider, IDisposable
{
X509Certificate2 certificate;
public X509SecurityTokenProvider(X509Certificate2 certificate)
{
if (certificate == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("certificate");
}
this.certificate = new X509Certificate2(certificate);
}
public X509SecurityTokenProvider(StoreLocation storeLocation, StoreName storeName, X509FindType findType, object findValue)
{
if (findValue == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("findValue");
}
X509CertificateStore store = new X509CertificateStore(storeName, storeLocation);
X509Certificate2Collection certificates = null;
try
{
store.Open(OpenFlags.ReadOnly);
certificates = store.Find(findType, findValue, false);
if (certificates.Count < 1)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.CannotFindCert, storeName, storeLocation, findType, findValue)));
}
if (certificates.Count > 1)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityTokenException(SR.GetString(SR.FoundMultipleCerts, storeName, storeLocation, findType, findValue)));
}
this.certificate = new X509Certificate2(certificates[0]);
}
finally
{
SecurityUtils.ResetAllCertificates(certificates);
store.Close();
}
}
public X509Certificate2 Certificate
{
get { return this.certificate; }
}
protected override SecurityToken GetTokenCore(TimeSpan timeout)
{
return new X509SecurityToken(this.certificate);
}
public void Dispose()
{
SecurityUtils.ResetCertificate(this.certificate);
}
}
}
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