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WSFederation is back!

Great news for everyone who has still some WCF services running. Until recently only BasicHttpBinding and NetTcpBinding were supported. This limited the usefulness as most WCF services I encountered where using WSFederationHttpBinding (or the more recent WS2007FederationHttpBinding). These bindings were typically used in scenarios where users authenticate with a security token service (like Active Directory Federation Services).

Last month, the System.ServiceModel.Federation package was released, adding client(!) support for WSFederation.

var issuerBinding = new WS2007HttpBinding(SecurityMode.TransportWithMessageCredential);
issuerBinding.Security.Message.ClientCredentialType = MessageCredentialType.UserName;
issuerBinding.Security.Message.EstablishSecurityContext = false;
var endpointAddress = new EndpointAddress("https://issueraddress/adfs/services/trust/13/usernamemixed");
var tokenParameters = WSTrustTokenParameters.CreateWS2007FederationTokenParameters(issuerBinding, endpointAddress);
var binding = new WSFederationHttpBinding(tokenParameters);
view raw WS2007HttpBinding.cs hosted with ā¤ by GitHub

Remark: You cannot use this binding yet through dotnet-svcutil or the Visual Studioā€™s WCF Web Service Reference Provider Tool but this will be added in the future.

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