C# SecurityTokenRequirement.GetProperty方法代码示例

		public override SecurityTokenAuthenticator CreateSecurityTokenAuthenticator
			(SecurityTokenRequirement tokenRequirement, out SecurityTokenResolver outOfBandTokenResolver)
		{
			// Return your implementation of the SecurityTokenProvider based on the 
			// tokenRequirement argument.
			SecurityTokenAuthenticator result;
			if (tokenRequirement.TokenType == SecurityTokenTypes.UserName)
			{
				MessageDirection direction = tokenRequirement.GetProperty<MessageDirection>
					(ServiceModelSecurityTokenRequirement.MessageDirectionProperty);
				if (direction == MessageDirection.Input)
				{
					outOfBandTokenResolver = null;
					result = new MySecurityTokenAuthenticator();
				}
				else
				{
					result = base.CreateSecurityTokenAuthenticator(tokenRequirement, out outOfBandTokenResolver);
				}
			}
			else
			{
				result = base.CreateSecurityTokenAuthenticator(tokenRequirement, out outOfBandTokenResolver);
			}

			return result;
		}

        public override SecurityTokenProvider CreateSecurityTokenProvider(
            SecurityTokenRequirement requirement)
        {
            SecurityTokenProvider result = null;
            if (requirement.TokenType == SecurityTokenTypes.X509Certificate)
            {
                var direction = requirement.GetProperty<MessageDirection>(ServiceModelSecurityTokenRequirement.MessageDirectionProperty);

                if (direction == MessageDirection.Output)
                {
                    if (requirement.KeyUsage == SecurityKeyUsage.Signature)
                        result = new X509SecurityTokenProvider(this._credentials.ClientSigningCertificate);
                    else
                        result = new X509SecurityTokenProvider(this._credentials.ServiceEncryptingCertificate);
                }
                else
                {
                    if (requirement.KeyUsage == SecurityKeyUsage.Signature)
                        result = new X509SecurityTokenProvider(this._credentials.ServiceSigningCertificate);
                    else
                        result = new X509SecurityTokenProvider(_credentials.ClientEncryptingCertificate);
                }
            }
            else
            {
                result = base.CreateSecurityTokenProvider(requirement);
            }

            return result;
        }

		IssuedSecurityTokenProvider CreateIssuedProviderBase (SecurityTokenRequirement r)
		{
			IssuedSecurityTokenProvider p =
				new IssuedSecurityTokenProvider ();

			p.TargetAddress = r.GetProperty<EndpointAddress> (ReqType.TargetAddressProperty);

			// FIXME: use it somewhere, probably to build 
			// IssuerBinding. However, there is also IssuerBinding 
			// property. SecureConversationSecurityBindingElement
			// as well.
			SecurityBindingElement sbe =
				r.GetProperty<SecurityBindingElement> (ReqType.SecurityBindingElementProperty);

			// I doubt the binding is acquired this way ...
			Binding binding;
			if (!r.TryGetProperty<Binding> (ReqType.IssuerBindingProperty, out binding))
				binding = new CustomBinding (sbe,
					new TextMessageEncodingBindingElement (),
					new HttpTransportBindingElement ());
			p.IssuerBinding = binding;

			// not sure if it is used only for this purpose though ...
			BindingContext ctx = r.GetProperty<BindingContext> (ReqType.IssuerBindingContextProperty);
			foreach (IEndpointBehavior b in ctx.BindingParameters.FindAll<IEndpointBehavior> ())
				p.IssuerChannelBehaviors.Add (b);

			SecurityTokenVersion ver =
				r.GetProperty<SecurityTokenVersion> (ReqType.MessageSecurityVersionProperty);
			p.SecurityTokenSerializer =
				CreateSecurityTokenSerializer (ver);

			// seems like they are optional here ... (but possibly
			// used later)
			EndpointAddress address;
			if (!r.TryGetProperty<EndpointAddress> (ReqType.IssuerAddressProperty, out address))
				address = p.TargetAddress;
			p.IssuerAddress = address;

			// It is somehow not checked as mandatory ...
			SecurityAlgorithmSuite suite = null;
			r.TryGetProperty<SecurityAlgorithmSuite> (ReqType.SecurityAlgorithmSuiteProperty, out suite);
			p.SecurityAlgorithmSuite = suite;

			return p;
		}