private static bool TrySetPropertyFromRequestUrl(PropertyBindingContext pbc, RequestBindingContext context)
{
if (!context.Request.RouteValues.TryGetValue(pbc.Name, out var paramValue))
{
return(false);
}
var propertyValue = Convert.ChangeType(paramValue, pbc.CommandProperty.PropertyType);
return(context.TrySetCommandProperty(pbc, propertyValue));
}
private static bool TrySetPropertyFromForm(PropertyBindingContext pbc, RequestBindingContext context)
{
var formValues = context.FormData[pbc.Name];
if (formValues.Count < 1)
{
return(false);
}
return(context.TrySetCommandProperty(pbc, formValues[0]));
}
public static async Task <RequestBindingContext> BuildRequestBindingContext(RequestContext requestContext)
{
string url = String.Empty;
var builders = new List <IRedirectClauseBuilder>();
requestContext.RelyingState.Add("relayState", "Test state");
var xmlSerialiser = new XMLSerialiser();
var compressor = new DeflateCompressor();
var encoder = new MessageEncoding(compressor);
var logger = new LogProviderMock();
var serialiser = new RequestSerialiser(xmlSerialiser, encoder, logger);
RequestHelper.GetAuthnRequestBuilders = AuthnRequestBuildersFactoryMock.GetAuthnRequestBuildersFactory();
var authnBuilder = new SamlRequestBuilder(serialiser);
builders.Add(authnBuilder);
//request compression builder
var encodingBuilder = new RequestEncoderBuilder(encoder);
builders.Add(encodingBuilder);
//relay state builder
var jsonSerialiser = new NSJsonSerializer(new DefaultSettingsProvider());
var relayStateSerialiser = new RelaystateSerialiser(jsonSerialiser, encoder, logger) as IRelayStateSerialiser;
var relayStateBuilder = new RelayStateBuilder(relayStateSerialiser);
builders.Add(relayStateBuilder);
//signature builder
var certificateManager = new CertificateManager(logger);
var signatureBuilder = new SignatureBuilder(certificateManager, logger);
builders.Add(signatureBuilder);
var bindingContext = new RequestBindingContext(requestContext);
foreach (var b in builders)
{
await b.Build(bindingContext);
}
return(bindingContext);
}
private static void TrySetProperty(PropertyBindingContext bi, RequestBindingContext context)
{
// Try from the request body first
if (TrySetPropertyFromRequestBody(bi, context))
{
return;
}
if (TrySetPropertyFromRequestUrl(bi, context))
{
return;
}
if (TrySetPropertyFromQueryString(bi, context))
{
return;
}
TrySetPropertyFromForm(bi, context);
}
public async Task <object> GenerateCommandAsync(HttpRequest request)
{
if (BindingContext.DirectFromBody)
{
return(await DeserializeCommandFromBody(request));
}
var command = Activator.CreateInstance(_commandType);
var requestContext = new RequestBindingContext(command, request);
foreach (var bi in BindingContext.Properties)
{
switch (bi.BindingLocation)
{
case RequestBindingLocation.Any:
TrySetProperty(bi, requestContext);
break;
case RequestBindingLocation.Url:
TrySetPropertyFromRequestUrl(bi, requestContext);
break;
case RequestBindingLocation.QueryParameter:
break;
case RequestBindingLocation.Body:
TrySetPropertyFromRequestBody(bi, requestContext);
break;
case RequestBindingLocation.FormField:
TrySetPropertyFromForm(bi, requestContext);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
return(command);
}
public async Task DecodeTest()
{
string url = String.Empty;
var builders = new List <IRedirectClauseBuilder>();
var requestUri = new Uri("http://localhost:59611/");
var federationPartyContextBuilder = new FederationPartyContextBuilderMock();
var federationContex = federationPartyContextBuilder.BuildContext("local");
var spDescriptor = federationContex.MetadataContext.EntityDesriptorConfiguration.SPSSODescriptors.First();
var certContext = spDescriptor.KeyDescriptors.Where(x => x.Use == KeyUsage.Signing && x.IsDefault)
.Select(x => x.CertificateContext)
.First();
var supportedNameIdentifierFormats = new List <Uri> {
new Uri(NameIdentifierFormats.Transient)
};
var authnRequestContext = new AuthnRequestContext(requestUri, new Uri("http://localhost"), federationContex, supportedNameIdentifierFormats);
authnRequestContext.RelyingState.Add("relayState", "Test state");
var xmlSerialiser = new XMLSerialiser();
var compressor = new DeflateCompressor();
var encoder = new MessageEncoding(compressor);
var logger = new LogProviderMock();
var serialiser = new RequestSerialiser(xmlSerialiser, encoder, logger);
RequestHelper.GetAuthnRequestBuilders = AuthnRequestBuildersFactoryMock.GetAuthnRequestBuildersFactory();
var authnBuilder = new SamlRequestBuilder(serialiser);
builders.Add(authnBuilder);
//request compression builder
var encodingBuilder = new RequestEncoderBuilder(encoder);
builders.Add(encodingBuilder);
//relay state builder
var jsonSerialiser = new NSJsonSerializer(new DefaultSettingsProvider());
var relayStateSerialiser = new RelaystateSerialiser(jsonSerialiser, encoder, logger) as IRelayStateSerialiser;
var relayStateBuilder = new RelayStateBuilder(relayStateSerialiser);
builders.Add(relayStateBuilder);
//signature builder
var certificateManager = new CertificateManager(logger);
var signatureBuilder = new SignatureBuilder(certificateManager, logger);
builders.Add(signatureBuilder);
var bindingContext = new RequestBindingContext(authnRequestContext);
foreach (var b in builders)
{
await b.Build(bindingContext);
}
var decoder = new RedirectBindingDecoder(logger, encoder);
//ACT
var message = await decoder.Decode(bindingContext.GetDestinationUrl());
var stateFromResult = message.Elements[HttpRedirectBindingConstants.RelayState];
var requestFromContext = bindingContext.RequestParts[HttpRedirectBindingConstants.SamlRequest];
var decoded = await encoder.DecodeMessage(requestFromContext);
//ASSERT
Assert.IsNotNull(stateFromResult);
Assert.AreEqual(bindingContext.RequestParts[HttpRedirectBindingConstants.RelayState], message.Elements[HttpRedirectBindingConstants.RelayState]);
Assert.AreEqual(decoded, message.Elements[HttpRedirectBindingConstants.SamlRequest]);
}
private static bool TrySetPropertyFromRequestBody(PropertyBindingContext pbc, RequestBindingContext context)
{
var bodyProperty = context.BodyObject?.Property(pbc.Name, StringComparison.OrdinalIgnoreCase);
if (bodyProperty == null)
{
return(false);
}
var commandPropertyType = pbc.CommandProperty.PropertyType;
object propertyValue;
try
{
propertyValue = bodyProperty.Value.ToObject(commandPropertyType);
}
catch
{
return(false);
}
return(context.TrySetCommandProperty(pbc, propertyValue));
}