// Summary
// Request a security token from the infocard system
//
// Parameters
// policyChain - an array of PolicyElements that describe the federated security chain that the client
// needs a final token to unwind.
//
public static GenericXmlSecurityToken GetToken(CardSpacePolicyElement[] policyChain, SecurityTokenSerializer tokenSerializer)
{
IDT.TraceDebug("ICARDCLIENT: GetToken called with a policy chain of length {0}", policyChain.Length);
InfoCardProofToken proofToken = null;
InternalRefCountedHandle nativeCryptoHandle = null;
GenericXmlSecurityToken token = null;
RpcGenericXmlToken infocardToken = new RpcGenericXmlToken();
SafeTokenHandle nativeToken = null;
Int32 result = 0;
if (null == policyChain || 0 == policyChain.Length)
{
throw IDT.ThrowHelperArgumentNull("policyChain");
}
if (null == tokenSerializer)
{
throw IDT.ThrowHelperArgumentNull("tokenSerializer");
}
if (null == tokenSerializer)
{
throw IDT.ThrowHelperArgumentNull("tokenSerializer");
}
try
{
RuntimeHelpers.PrepareConstrainedRegions();
bool mustRelease = false;
try
{
}
finally
{
//
// The PolicyChain class will do the marshalling and native buffer management for us.
//
try
{
using (PolicyChain tmpChain = new PolicyChain(policyChain))
{
IDT.TraceDebug("ICARDCLIENT: PInvoking the native GetToken call");
result = GetShim().m_csShimGetToken(
tmpChain.Length,
tmpChain.DoMarshal(),
out nativeToken,
out nativeCryptoHandle);
}
if (0 == result)
{
IDT.TraceDebug("ICARDCLIENT: The PInvoke of GetToken succeeded");
nativeToken.DangerousAddRef(ref mustRelease);
infocardToken = (RpcGenericXmlToken)Marshal.PtrToStructure(
nativeToken.DangerousGetHandle(),
typeof(RpcGenericXmlToken));
}
}
finally
{
if (mustRelease)
{
nativeToken.DangerousRelease();
}
}
}
if (0 == result)
{
using (ProofTokenCryptoHandle crypto =
(ProofTokenCryptoHandle)CryptoHandle.Create(nativeCryptoHandle))
{
proofToken = crypto.CreateProofToken();
}
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(infocardToken.xmlToken);
SecurityKeyIdentifierClause internalTokenReference = null;
if (null != infocardToken.internalTokenReference)
{
internalTokenReference = tokenSerializer.ReadKeyIdentifierClause(
CreateReaderWithQuotas(infocardToken.internalTokenReference));
}
SecurityKeyIdentifierClause externalTokenReference = null;
if (null != infocardToken.externalTokenReference)
{
externalTokenReference = tokenSerializer.ReadKeyIdentifierClause(
CreateReaderWithQuotas(infocardToken.externalTokenReference));
}
IDT.TraceDebug("ICARDCLIENT: Constructing a new GenericXmlSecurityToken");
token = new GenericXmlSecurityToken(
xmlDoc.DocumentElement,
proofToken,
DateTime.FromFileTimeUtc(infocardToken.createDate),
DateTime.FromFileTimeUtc(infocardToken.expiryDate),
internalTokenReference,
externalTokenReference,
null);
}
else
{
IDT.TraceDebug("ICARDCLIENT: The PInvoke of GetToken failed with a return code of {0}", result);
//
// Convert the HRESULTS to exceptions
//
ExceptionHelper.ThrowIfCardSpaceException((int)result);
throw IDT.ThrowHelperError(new CardSpaceException(SR.GetString(SR.ClientAPIInfocardError)));
}
}
catch
{
if (null != nativeCryptoHandle)
{
nativeCryptoHandle.Dispose();
}
if (null != proofToken)
{
proofToken.Dispose();
}
throw;
}
finally
{
if (null != nativeToken)
{
nativeToken.Dispose();
}
}
return(token);
}
public static GenericXmlSecurityToken GetToken(CardSpacePolicyElement[] policyChain, SecurityTokenSerializer tokenSerializer)
{
InfoCardProofToken proofToken = null;
InternalRefCountedHandle pCryptoHandle = null;
RpcGenericXmlToken token3 = new RpcGenericXmlToken();
SafeTokenHandle securityToken = null;
int status = 0;
if ((policyChain == null) || (policyChain.Length == 0))
{
throw InfoCardTrace.ThrowHelperArgumentNull("policyChain");
}
if (tokenSerializer == null)
{
throw InfoCardTrace.ThrowHelperArgumentNull("tokenSerializer");
}
if (tokenSerializer == null)
{
throw InfoCardTrace.ThrowHelperArgumentNull("tokenSerializer");
}
try
{
RuntimeHelpers.PrepareConstrainedRegions();
bool success = false;
try
{
}
finally
{
try
{
using (PolicyChain chain = new PolicyChain(policyChain))
{
status = GetShim().m_csShimGetToken(chain.Length, chain.DoMarshal(), out securityToken, out pCryptoHandle);
}
if (status == 0)
{
securityToken.DangerousAddRef(ref success);
token3 = (RpcGenericXmlToken)Marshal.PtrToStructure(securityToken.DangerousGetHandle(), typeof(RpcGenericXmlToken));
}
}
finally
{
if (success)
{
securityToken.DangerousRelease();
}
}
}
if (status == 0)
{
using (ProofTokenCryptoHandle handle3 = (ProofTokenCryptoHandle)CryptoHandle.Create(pCryptoHandle))
{
proofToken = handle3.CreateProofToken();
}
XmlDocument document = new XmlDocument();
document.LoadXml(token3.xmlToken);
SecurityKeyIdentifierClause internalTokenReference = null;
if (token3.internalTokenReference != null)
{
internalTokenReference = tokenSerializer.ReadKeyIdentifierClause(CreateReaderWithQuotas(token3.internalTokenReference));
}
SecurityKeyIdentifierClause externalTokenReference = null;
if (token3.externalTokenReference != null)
{
externalTokenReference = tokenSerializer.ReadKeyIdentifierClause(CreateReaderWithQuotas(token3.externalTokenReference));
}
DateTime effectiveTime = DateTime.FromFileTimeUtc(token3.createDate);
return(new GenericXmlSecurityToken(document.DocumentElement, proofToken, effectiveTime, DateTime.FromFileTimeUtc(token3.expiryDate), internalTokenReference, externalTokenReference, null));
}
ExceptionHelper.ThrowIfCardSpaceException(status);
throw InfoCardTrace.ThrowHelperError(new CardSpaceException(Microsoft.InfoCards.SR.GetString("ClientAPIInfocardError")));
}
catch
{
if (pCryptoHandle != null)
{
pCryptoHandle.Dispose();
}
if (proofToken != null)
{
proofToken.Dispose();
}
throw;
}
finally
{
if (securityToken != null)
{
securityToken.Dispose();
}
}
return(null);
}
