/// <summary>
/// Override the ValidateRequest method to validate the custom element
/// </summary>
/// <param name="request">The security token request.</param>
protected override void ValidateRequest(RequestSecurityToken request)
{
base.ValidateRequest(request);
//
// here we validate the custom element
//
string customElementValue = null;
CustomRequestSecurityToken customRST = request as CustomRequestSecurityToken;
if (null != customRST)
{
customElementValue = customRST.CustomElement;
}
if (string.IsNullOrEmpty(customElementValue))
{
throw new InvalidRequestException("The custom element is missing");
}
if (customElementValue != CustomElementConstants.DefaultElementValue)
{
throw new InvalidRequestException(string.Format("The custom element's value is not expected. The value received is \'{0}\', but expected value is \'{1}\'.", customElementValue, CustomElementConstants.DefaultElementValue));
}
Console.WriteLine("The STS received the custom element. \n");
}
/// <summary>
/// Override ReadXml method to deserialize the custom element inside the RST.
/// </summary>
/// <param name="reader">The xml reader to read from</param>
/// <param name="rst">The rst object that is going to be populated with the new custom element</param>
/// <param name="serializer">The token serializer to serialize the token related elements</param>
public override void ReadXmlElement(System.Xml.XmlReader reader, RequestSecurityToken rst, WSTrustSerializationContext context)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (rst == null)
{
throw new ArgumentNullException("rst");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
if (reader.IsStartElement(CustomElementConstants.LocalName, CustomElementConstants.Namespace))
{
if (rst is CustomRequestSecurityToken)
{
CustomRequestSecurityToken customRST = rst as CustomRequestSecurityToken;
if (customRST != null)
{
//
// reading the custom element in the RST
//
customRST.CustomElement = reader.ReadElementContentAsString();
}
}
}
else
{
//
// The rest is just normal thing
//
base.ReadXmlElement(reader, rst, context);
}
}