internal static EndpointIdentity ReadIdentity(XmlDictionaryReader reader)
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
EndpointIdentity readIdentity = null;
reader.MoveToContent();
if (reader.IsEmptyElement)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format(SR.UnexpectedEmptyElementExpectingClaim, XD.AddressingDictionary.Identity.Value, XD.AddressingDictionary.IdentityExtensionNamespace.Value)));
}
reader.ReadStartElement(XD.AddressingDictionary.Identity, XD.AddressingDictionary.IdentityExtensionNamespace);
if (reader.IsStartElement(XD.AddressingDictionary.Spn, XD.AddressingDictionary.IdentityExtensionNamespace))
{
readIdentity = new SpnEndpointIdentity(reader.ReadElementString());
}
else if (reader.IsStartElement(XD.AddressingDictionary.Upn, XD.AddressingDictionary.IdentityExtensionNamespace))
{
readIdentity = new UpnEndpointIdentity(reader.ReadElementString());
}
else if (reader.IsStartElement(XD.AddressingDictionary.Dns, XD.AddressingDictionary.IdentityExtensionNamespace))
{
readIdentity = new DnsEndpointIdentity(reader.ReadElementString());
}
else if (reader.IsStartElement(XD.XmlSignatureDictionary.KeyInfo, XD.XmlSignatureDictionary.Namespace))
{
reader.ReadStartElement();
if (reader.IsStartElement(XD.XmlSignatureDictionary.X509Data, XD.XmlSignatureDictionary.Namespace))
{
readIdentity = new X509CertificateEndpointIdentity(reader);
}
else if (reader.IsStartElement(XD.XmlSignatureDictionary.RsaKeyValue, XD.XmlSignatureDictionary.Namespace))
{
throw ExceptionHelper.PlatformNotSupported("EndpointIdentity.ReadIdentity RsaEndpointIdentity is not supported.");
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format(SR.UnrecognizedIdentityType, reader.Name, reader.NamespaceURI)));
}
reader.ReadEndElement();
}
else if (reader.NodeType == XmlNodeType.Element)
{
//
// Something unknown
//
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format(SR.UnrecognizedIdentityType, reader.Name, reader.NamespaceURI)));
}
else
{
//
// EndpointIdentity element is empty or some other invalid xml
//
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.InvalidIdentityElement));
}
reader.ReadEndElement();
return(readIdentity);
}