private void HandleSOAP(HttpContext context, Stream inputStream)
{
Trace.TraceMethodCalled(GetType(), "HandleSOAP");
HttpArtifactBindingParser parser = new HttpArtifactBindingParser(inputStream);
HttpArtifactBindingBuilder builder = new HttpArtifactBindingBuilder(context);
if(parser.IsArtifactResolve())
{
Trace.TraceData(TraceEventType.Information, Tracing.ArtifactResolveIn);
IDPEndPoint idp = RetrieveIDPConfiguration(parser.Issuer);
AuditLogging.IdpId = idp.Id;
AuditLogging.AssertionId = parser.ArtifactResolve.ID;
if (!parser.CheckSamlMessageSignature(idp.metadata.Keys))
{
HandleError(context, "Invalid Saml message signature");
AuditLogging.logEntry(Direction.IN, Operation.ARTIFACTRESOLVE, "Could not verify signature", parser.SamlMessage);
};
builder.RespondToArtifactResolve(parser.ArtifactResolve);
}else if(parser.IsArtifactResponse())
{
Trace.TraceData(TraceEventType.Information, Tracing.ArtifactResponseIn);
Status status = parser.ArtifactResponse.Status;
if (status.StatusCode.Value != Saml20Constants.StatusCodes.Success)
{
HandleError(context, status);
AuditLogging.logEntry(Direction.IN, Operation.ARTIFACTRESOLVE, string.Format("Illegal status for ArtifactResponse {0} expected 'Success', msg: {1}", status.StatusCode.Value, parser.SamlMessage));
return;
}
if(parser.ArtifactResponse.Any.LocalName == Response.ELEMENT_NAME)
{
bool isEncrypted;
XmlElement assertion = GetAssertion(parser.ArtifactResponse.Any, out isEncrypted);
if (assertion == null)
HandleError(context, "Missing assertion");
if(isEncrypted)
{
HandleEncryptedAssertion(context, assertion);
}else
{
HandleAssertion(context, assertion);
}
}else
{
AuditLogging.logEntry(Direction.IN, Operation.ARTIFACTRESOLVE, string.Format("Unsupported payload message in ArtifactResponse: {0}, msg: {1}", parser.ArtifactResponse.Any.LocalName, parser.SamlMessage));
HandleError(context,
string.Format("Unsupported payload message in ArtifactResponse: {0}",
parser.ArtifactResponse.Any.LocalName));
}
}else
{
Status s = parser.GetStatus();
if (s != null)
{
HandleError(context, s);
}
else
{
AuditLogging.logEntry(Direction.IN, Operation.ARTIFACTRESOLVE, string.Format("Unsupported SamlMessage element: {0}, msg: {1}", parser.SamlMessageName, parser.SamlMessage));
HandleError(context, string.Format("Unsupported SamlMessage element: {0}", parser.SamlMessageName));
}
}
}
private void HandleSOAP(HttpContext context, Stream inputStream)
{
Trace.TraceMethodCalled(GetType(), "HandleSOAP");
HttpArtifactBindingParser parser = new HttpArtifactBindingParser(inputStream);
HttpArtifactBindingBuilder builder = new HttpArtifactBindingBuilder(context);
SAML20FederationConfig config = SAML20FederationConfig.GetConfig();
IDPEndPoint idp = RetrieveIDPConfiguration(parser.Issuer);
AuditLogging.IdpId = idp.Id;
if (parser.IsArtifactResolve())
{
Trace.TraceData(TraceEventType.Information, Tracing.ArtifactResolveIn);
if (!parser.CheckSamlMessageSignature(idp.metadata.Keys))
{
HandleError(context, "Invalid Saml message signature");
AuditLogging.logEntry(Direction.UNDEFINED, Operation.ARTIFACTRESOLVE, "Signature could not be verified", parser.SamlMessage);
}
AuditLogging.AssertionId = parser.ArtifactResolve.ID;
AuditLogging.logEntry(Direction.IN, Operation.ARTIFACTRESOLVE, "", parser.SamlMessage);
builder.RespondToArtifactResolve(parser.ArtifactResolve);
}
else if (parser.IsArtifactResponse())
{
Trace.TraceData(TraceEventType.Information, Tracing.ArtifactResponseIn);
Status status = parser.ArtifactResponse.Status;
if (status.StatusCode.Value != Saml20Constants.StatusCodes.Success)
{
AuditLogging.logEntry(Direction.UNDEFINED, Operation.ARTIFACTRESOLVE, string.Format("Unexpected status code for artifact response: {0}, expected 'Success', msg: {1}", status.StatusCode.Value, parser.SamlMessage));
HandleError(context, status);
return;
}
if (parser.ArtifactResponse.Any.LocalName == LogoutRequest.ELEMENT_NAME)
{
if(Trace.ShouldTrace(TraceEventType.Information))
Trace.TraceData(TraceEventType.Information, string.Format(Tracing.LogoutRequest, parser.ArtifactResponse.Any.OuterXml));
//Send logoutresponse via artifact
Saml20LogoutResponse response = new Saml20LogoutResponse();
response.Issuer = config.ServiceProvider.ID;
LogoutRequest req = Serialization.DeserializeFromXmlString<LogoutRequest>(parser.ArtifactResponse.Any.OuterXml);
response.StatusCode = Saml20Constants.StatusCodes.Success;
response.InResponseTo = req.ID;
IDPEndPoint endpoint = RetrieveIDPConfiguration(context.Session[IDPLoginSessionKey].ToString());
IDPEndPointElement destination =
DetermineEndpointConfiguration(SAMLBinding.REDIRECT, endpoint.SLOEndpoint, endpoint.metadata.SLOEndpoints());
builder.RedirectFromLogout(destination, response);
}else if(parser.ArtifactResponse.Any.LocalName == LogoutResponse.ELEMENT_NAME)
{
DoLogout(context);
}
else
{
AuditLogging.logEntry(Direction.UNDEFINED, Operation.ARTIFACTRESOLVE, string.Format("Unsupported payload message in ArtifactResponse: {0}, msg: {1}", parser.ArtifactResponse.Any.LocalName, parser.SamlMessage));
HandleError(context,
string.Format("Unsupported payload message in ArtifactResponse: {0}",
parser.ArtifactResponse.Any.LocalName));
}
}
else if(parser.IsLogoutReqest())
{
if (Trace.ShouldTrace(TraceEventType.Information))
Trace.TraceData(TraceEventType.Information, string.Format(Tracing.LogoutRequest, parser.SamlMessage.OuterXml));
LogoutRequest req = parser.LogoutRequest;
//Build the response object
Saml20LogoutResponse response = new Saml20LogoutResponse();
response.Issuer = config.ServiceProvider.ID;
//response.Destination = destination.Url;
response.StatusCode = Saml20Constants.StatusCodes.Success;
response.InResponseTo = req.ID;
XmlDocument doc = response.GetXml();
XmlSignatureUtils.SignDocument(doc, response.ID);
if (doc.FirstChild is XmlDeclaration)
doc.RemoveChild(doc.FirstChild);
builder.SendResponseMessage(doc.OuterXml);
}
else
{
Status s = parser.GetStatus();
if (s != null)
{
HandleError(context, s);
}
else
{
AuditLogging.logEntry(Direction.UNDEFINED, Operation.ARTIFACTRESOLVE, string.Format("Unsupported SamlMessage element: {0}, msg: {1}", parser.SamlMessageName, parser.SamlMessage));
HandleError(context, string.Format("Unsupported SamlMessage element: {0}", parser.SamlMessageName));
}
}
}
