Como: criar um SecurityBindingElement para um modo de autenticação especificado

Artigo
04/07/2023

O WCF (Windows Communication Foundation) fornece vários modos pelos quais clientes e serviços se autenticam entre si. Você pode criar elementos de associação de segurança para esses modos de autenticação usando métodos estáticos na classe ou por meio da configuração SecurityBindingElement, conforme mostrado no exemplo a seguir.

Para obter mais informações sobre os 18 modos de autenticação, consulte Modos de autenticação SecurityBindingElement.

Exemplo

O exemplo de código a seguir mostra métodos para criar associações para os vários modos de autenticação.

Observação

Depois que uma instância do objeto SecurityBindingElement é criada, várias propriedades são imutáveis, como KeyType e MessageSecurityVersion. Chamar set para essas propriedades não as altera.

// These public methods create custom bindings based on the built-in
// authentication modes that use the static methods of
// the System.ServiceModel.Channels.SecurityBindingElement class.
public static Binding CreateAnonymousForCertificateBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateAnonymousForCertificateBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateAnonymousForSslNegotiatedBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateSslNegotiationBindingElement(false));
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateCertificateOverTransportBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateCertificateOverTransportBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpsTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateIssuedTokenBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateIssuedTokenBindingElement(
        new IssuedSecurityTokenParameters()));
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateIssuedTokenForCertificateBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateIssuedTokenForCertificateBindingElement(
        new IssuedSecurityTokenParameters()));
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateIssuedTokenForSslNegotiatedBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateIssuedTokenForSslBindingElement(
        new IssuedSecurityTokenParameters()));
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateIssuedTokenOverTransportBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateIssuedTokenOverTransportBindingElement(
        new IssuedSecurityTokenParameters()));
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpsTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateKerberosBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.CreateKerberosBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateKerberosOverTransportBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateKerberosOverTransportBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpsTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateMutualCertificateBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateMutualCertificateBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateMutualCertificateDuplexBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateMutualCertificateDuplexBindingElement());
    bec.Add(new CompositeDuplexBindingElement());
    bec.Add(new OneWayBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateMutualSslNegotiatedBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateSslNegotiationBindingElement(true));
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateSecureConversationBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateSecureConversationBindingElement(
        SecurityBindingElement.CreateSspiNegotiationBindingElement()));
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateSspiNegotiatedBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.CreateSspiNegotiationBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateSspiNegotiatedOverTransportBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateSspiNegotiationOverTransportBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpsTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateUserNameForCertificateBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateUserNameForCertificateBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateUserNameForSslNegotiatedBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.CreateUserNameForSslBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpTransportBindingElement());
    return new CustomBinding(bec);
}

public static Binding CreateUserNameOverTransportBinding()
{
    BindingElementCollection bec = new BindingElementCollection();
    bec.Add(SecurityBindingElement.
        CreateUserNameOverTransportBindingElement());
    bec.Add(new TextMessageEncodingBindingElement());
    bec.Add(new HttpsTransportBindingElement());
    return new CustomBinding(bec);
}

' These public methods create custom bindings based on the built-in 
' authentication modes that use the static methods of 
' the System.ServiceModel.Channels.SecurityBindingElement class.
Public Shared Function CreateAnonymousForCertificateBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateAnonymousForCertificateBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function


Public Shared Function CreateAnonymousForSslNegotiatedBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateSslNegotiationBindingElement(False))
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateCertificateOverTransportBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateCertificateOverTransportBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpsTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateIssuedTokenBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateIssuedTokenBindingElement( _
            New IssuedSecurityTokenParameters()))
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateIssuedTokenForCertificateBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
        CreateIssuedTokenForCertificateBindingElement( _
        New IssuedSecurityTokenParameters()))
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateIssuedTokenForSslNegotiatedBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
        CreateIssuedTokenForSslBindingElement( _
        New IssuedSecurityTokenParameters()))
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateIssuedTokenOverTransportBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
       CreateIssuedTokenOverTransportBindingElement( _
          New IssuedSecurityTokenParameters()))
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpsTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateKerberosBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateKerberosBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateKerberosOverTransportBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
        CreateKerberosOverTransportBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpsTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateMutualCertificateBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateMutualCertificateBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateMutualCertificateDuplexBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
        CreateMutualCertificateDuplexBindingElement())
    bec.Add(New CompositeDuplexBindingElement())
    bec.Add(New OneWayBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateMutualSslNegotiatedBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
        CreateSslNegotiationBindingElement(True))
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateSecureConversationBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
        CreateSecureConversationBindingElement( _
        SecurityBindingElement.CreateSspiNegotiationBindingElement()))
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateSspiNegotiatedBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateSspiNegotiationBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function


Public Shared Function CreateSspiNegotiatedOverTransportBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement. _
        CreateSspiNegotiationOverTransportBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpsTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateUserNameForCertificateBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateUserNameForCertificateBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)
End Function

Public Shared Function CreateUserNameForSslNegotiatedBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateUserNameForSslBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpTransportBindingElement())
    Return New CustomBinding(bec)

End Function 'CreateUserNameForSslNegotiatedBinding


Public Shared Function CreateUserNameOverTransportBinding() As Binding
    Dim bec As New BindingElementCollection()
    bec.Add(SecurityBindingElement.CreateUserNameOverTransportBindingElement())
    bec.Add(New TextMessageEncodingBindingElement())
    bec.Add(New HttpsTransportBindingElement())
    Return New CustomBinding(bec)

End Function

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Como: criar um SecurityBindingElement para um modo de autenticação especificado

Exemplo

Confira também

Recursos adicionais