private static IssuedSecurityTokenParameters TryGetNextStsIssuedTokenParameters(SecurityBindingElement securityBindingEle)
{
if (securityBindingEle == null)
{
return(null);
}
ThrowOnMultipleAssignment <IssuedSecurityTokenParameters> issuedSecurityTokenParameters = new ThrowOnMultipleAssignment <IssuedSecurityTokenParameters>(System.ServiceModel.SR.GetString("TooManyIssuedSecurityTokenParameters"));
FindInfoCardIssuerBinding(securityBindingEle, issuedSecurityTokenParameters);
return(issuedSecurityTokenParameters.Value);
}
// Summary:
// Searches a security binding element for a single IssuedSecurityTokenParameters. This method will throw an
// argument exception if more than one is found.
//
// Parameters:
// securityBindingEle - The SecurityBindingElement to search.
//
// Return Value:
// Returns an IssuedSecurityTokenParameters if one is found, otherwise null.
//
static IssuedSecurityTokenParameters TryGetNextStsIssuedTokenParameters(SecurityBindingElement securityBindingEle)
{
if (securityBindingEle == null)
{
return(null);
}
//
// This object can have a value assigned to it exactly once. After one assignment of a non-null value
// any other non-null assignment will cause the object to throw an argument excaption.
//
ThrowOnMultipleAssignment <IssuedSecurityTokenParameters> issuedTokenParameters =
new ThrowOnMultipleAssignment <IssuedSecurityTokenParameters>(SR.GetString(SR.TooManyIssuedSecurityTokenParameters));
FindInfoCardIssuerBinding(securityBindingEle, issuedTokenParameters);
return(issuedTokenParameters.Value);
}
static void FindInfoCardIssuerBinding(SecurityBindingElement secBindingElement, ThrowOnMultipleAssignment <IssuedSecurityTokenParameters> issuedSecurityTokenParameters)
{
if (secBindingElement == null)
{
return;
}
//
// Go down the list of possible places for an IssuedSecurityTokenParameters, and hope we don't
// miss anything.
//
SecurityTokenParametersEnumerable tokenParamEnumerator = new SecurityTokenParametersEnumerable(secBindingElement);
foreach (SecurityTokenParameters param in tokenParamEnumerator)
{
IssuedSecurityTokenParameters issuedTokenParam = param as IssuedSecurityTokenParameters;
if (issuedTokenParam != null &&
((issuedTokenParam.IssuerBinding == null ||
issuedTokenParam.IssuerAddress == null ||
issuedTokenParam.IssuerAddress.IsAnonymous ||
SelfIssuerUri.Equals(issuedTokenParam.IssuerAddress)) ||
(IsReferralToManagedIssuer(issuedTokenParam.IssuerBinding))))
{
if (issuedSecurityTokenParameters != null)
{
issuedSecurityTokenParameters.Value = issuedTokenParam;
}
}
else if (param is SecureConversationSecurityTokenParameters)
{
IssuedSecurityTokenParameters istp = TryGetNextStsIssuedTokenParameters(((SecureConversationSecurityTokenParameters)param).BootstrapSecurityBindingElement);
if ((istp != null) && (issuedSecurityTokenParameters != null))
{
issuedSecurityTokenParameters.Value = istp;
}
}
else if ((issuedTokenParam != null) && (issuedTokenParam.IssuerBinding != null))
{
BindingElementCollection bindingElements = issuedTokenParam.IssuerBinding.CreateBindingElements();
SecurityBindingElement innerSecurityBindingElement = bindingElements.Find <SecurityBindingElement>();
IssuedSecurityTokenParameters istp = TryGetNextStsIssuedTokenParameters(innerSecurityBindingElement);
if ((istp != null) && (issuedSecurityTokenParameters != null))
{
issuedSecurityTokenParameters.Value = issuedTokenParam;
}
}
}
}
private static void FindInfoCardIssuerBinding(SecurityBindingElement secBindingElement, ThrowOnMultipleAssignment <IssuedSecurityTokenParameters> issuedSecurityTokenParameters)
{
if (secBindingElement != null)
{
SecurityTokenParametersEnumerable enumerable = new SecurityTokenParametersEnumerable(secBindingElement);
foreach (SecurityTokenParameters parameters in enumerable)
{
IssuedSecurityTokenParameters parameters2 = parameters as IssuedSecurityTokenParameters;
if ((parameters2 != null) && (((parameters2.IssuerBinding == null) || (parameters2.IssuerAddress == null)) || ((parameters2.IssuerAddress.IsAnonymous || SelfIssuerUri.Equals(parameters2.IssuerAddress)) || IsReferralToManagedIssuer(parameters2.IssuerBinding))))
{
if (issuedSecurityTokenParameters != null)
{
issuedSecurityTokenParameters.Value = parameters2;
}
}
else if (parameters is SecureConversationSecurityTokenParameters)
{
IssuedSecurityTokenParameters parameters3 = TryGetNextStsIssuedTokenParameters(((SecureConversationSecurityTokenParameters)parameters).BootstrapSecurityBindingElement);
if ((parameters3 != null) && (issuedSecurityTokenParameters != null))
{
issuedSecurityTokenParameters.Value = parameters3;
}
}
else if (((parameters2 != null) && (parameters2.IssuerBinding != null)) && ((TryGetNextStsIssuedTokenParameters(parameters2.IssuerBinding.CreateBindingElements().Find <SecurityBindingElement>()) != null) && (issuedSecurityTokenParameters != null)))
{
issuedSecurityTokenParameters.Value = parameters2;
}
}
}
}
