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How to make WCF Client conform to specific WS-Security - sign UsernameToken and SecurityTokenReference

由 梦想与她 提交于 2019-11-28 20:23:21

Finally sorted the problem today. In terms of terminology, it is not the SecurityTokenReference that I need to sign, but the Binary Security Token.

In order to do this I needed to hide the certificates for Initiator and Recipient and add a signed supporting token.

I went back to using configuration to create and sign the message, rather than trying to add the signature manually.

Other problem that would have stopped this from working is that I had an incorrect namespace on my custom 'Messaging' header, so be mindful of namespaces, I didn't think they would be as important as what they are.

The code to create the binding follows

    private System.ServiceModel.Channels.Binding GetCustomBinding()
    {
        System.ServiceModel.Channels.AsymmetricSecurityBindingElement asbe = new AsymmetricSecurityBindingElement();
        asbe.MessageSecurityVersion = MessageSecurityVersion.WSSecurity11WSTrust13WSSecureConversation13WSSecurityPolicy12;

        asbe.InitiatorTokenParameters = new System.ServiceModel.Security.Tokens.X509SecurityTokenParameters { InclusionMode = SecurityTokenInclusionMode.Never };
        asbe.RecipientTokenParameters = new System.ServiceModel.Security.Tokens.X509SecurityTokenParameters { InclusionMode = SecurityTokenInclusionMode.Never };
        asbe.MessageProtectionOrder = System.ServiceModel.Security.MessageProtectionOrder.SignBeforeEncrypt;

        asbe.SecurityHeaderLayout = SecurityHeaderLayout.Strict;
        asbe.EnableUnsecuredResponse = true;
        asbe.IncludeTimestamp = false;
        asbe.SetKeyDerivation(false);
        asbe.DefaultAlgorithmSuite = System.ServiceModel.Security.SecurityAlgorithmSuite.Basic128Rsa15;
        asbe.EndpointSupportingTokenParameters.Signed.Add(new UserNameSecurityTokenParameters());
        asbe.EndpointSupportingTokenParameters.Signed.Add(new X509SecurityTokenParameters());

        CustomBinding myBinding = new CustomBinding();
        myBinding.Elements.Add(asbe);
        myBinding.Elements.Add(new TextMessageEncodingBindingElement(MessageVersion.Soap11, Encoding.UTF8));

        HttpsTransportBindingElement httpsBindingElement = new HttpsTransportBindingElement();
        httpsBindingElement.RequireClientCertificate = true;
        myBinding.Elements.Add(httpsBindingElement);

        return myBinding;
    }

When using the binding, I set the ClientCredentials UserName, ServiceCertificate and ClientCertificate, and all works as expected.

Using the code is as follows

using (CredentialingService.SOAPPortTypeClient client = GetCredentialingClient())
{
    client.Open();
    etc....
}

private static CredentialingService.SOAPPortTypeClient GetCredentialingClient()
{
    CredentialingService.SOAPPortTypeClient client = new CredentialingService.SOAPPortTypeClient(GetCustomBinding(), new EndpointAddress(new Uri(Settings.AppSettings.B2BUrl), new DnsEndpointIdentity(Settings.AppSettings.B2BDNSEndpoint), new AddressHeaderCollection()));
    client.Endpoint.Contract.ProtectionLevel = System.Net.Security.ProtectionLevel.None;
    SetClientCredentialsSecurity(client.ClientCredentials);

    return client;
}

where GetCustomBinding is specified in my post

SetClientCredentialsSecurity is where the certificate is set, and is as follows

private static void SetClientCredentialsSecurity(ClientCredentials clientCredentials)
{
    clientCredentials.UserName.UserName = Settings.AppSettings.B2BUserName;
    clientCredentials.UserName.Password = Settings.AppSettings.B2BPassword;

    string directoryName = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
    clientCredentials.ServiceCertificate.DefaultCertificate = new X509Certificate2(Path.Combine(directoryName, Settings.AppSettings.B2BServerCertificateName));
    clientCredentials.ClientCertificate.Certificate = new X509Certificate2(Path.Combine(directoryName, Settings.AppSettings.B2BClientCertificateName), Settings.AppSettings.B2BClientCertificatePassword);
}

Hopefully that makes it a bit clearer

Maybe it's because your certificate is not publicly valid. Try this:

System.Net.ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(delegate { return true; });
//...
using (var client = new SrvClient())
{
    client.ClientCredentials.UserName.UserName = "usr";
    client.ClientCredentials.UserName.Password = "psw";
    //...
}
标签
c#
wcf
x509certificate
ws-security
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