internal static new bool TryCreate(BindingElementCollection bindingElements, out Binding binding)
{
if (bindingElements == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bindingElements");
}
binding = null;
ContextBindingElement contextBindingElement = bindingElements.Find <ContextBindingElement>();
if (contextBindingElement != null)
{
BindingElementCollection bindingElementsWithoutContext = new BindingElementCollection(bindingElements);
bindingElementsWithoutContext.Remove <ContextBindingElement>();
Binding wsHttpBinding;
if (WSHttpBinding.TryCreate(bindingElementsWithoutContext, out wsHttpBinding))
{
bool allowCookies = ((WSHttpBinding)wsHttpBinding).AllowCookies;
if (allowCookies && contextBindingElement.ContextExchangeMechanism == ContextExchangeMechanism.HttpCookie ||
!allowCookies && contextBindingElement.ContextExchangeMechanism == ContextExchangeMechanism.ContextSoapHeader)
{
WSHttpContextBinding contextBinding = new WSHttpContextBinding((WSHttpBinding)wsHttpBinding);
contextBinding.ContextProtectionLevel = contextBindingElement.ProtectionLevel;
contextBinding.ContextManagementEnabled = contextBindingElement.ContextManagementEnabled;
binding = contextBinding;
}
}
}
return(binding != null);
}
internal static bool TryCreate(BindingElementCollection bindingElements, out Binding binding)
{
if (bindingElements == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bindingElements");
}
binding = null;
ContextBindingElement element = bindingElements.Find <ContextBindingElement>();
if ((element != null) && (element.ContextExchangeMechanism != ContextExchangeMechanism.HttpCookie))
{
Binding binding2;
BindingElementCollection elements = new BindingElementCollection(bindingElements);
elements.Remove <ContextBindingElement>();
if (NetTcpBinding.TryCreate(elements, out binding2))
{
NetTcpContextBinding binding3 = new NetTcpContextBinding((NetTcpBinding)binding2)
{
ContextProtectionLevel = element.ProtectionLevel,
ContextManagementEnabled = element.ContextManagementEnabled
};
binding = binding3;
}
}
return(binding != null);
}
internal static bool TryCreate(BindingElementCollection bindingElements, out Binding binding)
{
if (bindingElements == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bindingElements");
}
binding = null;
ContextBindingElement element = bindingElements.Find <ContextBindingElement>();
if (element != null)
{
Binding binding2;
BindingElementCollection elements = new BindingElementCollection(bindingElements);
elements.Remove <ContextBindingElement>();
if (WSHttpBindingBase.TryCreate(elements, out binding2))
{
bool allowCookies = ((WSHttpBinding)binding2).AllowCookies;
if ((allowCookies && (element.ContextExchangeMechanism == ContextExchangeMechanism.HttpCookie)) || (!allowCookies && (element.ContextExchangeMechanism == ContextExchangeMechanism.ContextSoapHeader)))
{
WSHttpContextBinding binding3 = new WSHttpContextBinding((WSHttpBinding)binding2)
{
ContextProtectionLevel = element.ProtectionLevel,
ContextManagementEnabled = element.ContextManagementEnabled
};
binding = binding3;
}
}
}
return(binding != null);
}
internal static new bool TryCreate(BindingElementCollection bindingElements, out Binding binding)
{
if (bindingElements == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bindingElements");
}
binding = null;
ContextBindingElement contextBindingElement = bindingElements.Find <ContextBindingElement>();
if (contextBindingElement != null && contextBindingElement.ContextExchangeMechanism != ContextExchangeMechanism.HttpCookie)
{
BindingElementCollection bindingElementsWithoutContext = new BindingElementCollection(bindingElements);
bindingElementsWithoutContext.Remove <ContextBindingElement>();
Binding netTcpBinding;
if (NetTcpBinding.TryCreate(bindingElementsWithoutContext, out netTcpBinding))
{
NetTcpContextBinding contextBinding = new NetTcpContextBinding((NetTcpBinding)netTcpBinding);
contextBinding.ContextProtectionLevel = contextBindingElement.ProtectionLevel;
contextBinding.ContextManagementEnabled = contextBindingElement.ContextManagementEnabled;
binding = contextBinding;
}
}
return(binding != null);
}
//The heart of the custom binding
public override BindingElementCollection CreateBindingElements()
{
BindingElement element = new ContextBindingElement(ContextProtectionLevel, ContextExchangeMechanism.ContextSoapHeader);
BindingElementCollection elements = base.CreateBindingElements();
elements.Insert(0, element);
return(elements);
}
public static void ExportRequireContextAssertion(ContextBindingElement bindingElement, PolicyAssertionCollection assertions)
{
if (bindingElement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bindingElement");
}
if (assertions == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("assertions");
}
if (bindingElement.ContextExchangeMechanism != ContextExchangeMechanism.ContextSoapHeader)
{
XmlElement item = Document.CreateElement(null, "HttpUseCookie", "http://schemas.xmlsoap.org/soap/http");
assertions.Add(item);
}
else
{
XmlElement element = Document.CreateElement(null, "IncludeContext", "http://schemas.microsoft.com/ws/2006/05/context");
System.Xml.XmlAttribute node = Document.CreateAttribute("ProtectionLevel");
switch (bindingElement.ProtectionLevel)
{
case ProtectionLevel.Sign:
node.Value = "Sign";
break;
case ProtectionLevel.EncryptAndSign:
node.Value = "EncryptAndSign";
break;
default:
node.Value = "None";
break;
}
element.Attributes.Append(node);
assertions.Add(element);
}
}
public static void ExportRequireContextAssertion(ContextBindingElement bindingElement, PolicyAssertionCollection assertions)
{
if (bindingElement == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("bindingElement");
}
if (assertions == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("assertions");
}
if (bindingElement.ContextExchangeMechanism == ContextExchangeMechanism.ContextSoapHeader)
{
XmlElement assertion = Document.CreateElement(null, IncludeContextName, WscNamespace);
XmlAttribute protectionLevelAttribute = Document.CreateAttribute(ProtectionLevelName);
switch (bindingElement.ProtectionLevel)
{
case ProtectionLevel.EncryptAndSign:
protectionLevelAttribute.Value = EncryptAndSignName;
break;
case ProtectionLevel.Sign:
protectionLevelAttribute.Value = SignName;
break;
default:
protectionLevelAttribute.Value = NoneName;
break;
}
assertion.Attributes.Append(protectionLevelAttribute);
assertions.Add(assertion);
}
else
{
XmlElement assertion = Document.CreateElement(null, HttpUseCookieName, HttpNamespace);
assertions.Add(assertion);
}
}
public static bool TryImportRequireContextAssertion(PolicyAssertionCollection assertions, out ContextBindingElement bindingElement)
{
if (assertions == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("assertions");
}
bindingElement = null;
foreach (XmlElement element in assertions)
{
if (((element.LocalName == "IncludeContext") && (element.NamespaceURI == "http://schemas.microsoft.com/ws/2006/05/context")) && ContainOnlyWhitespaceChild(element))
{
string attribute = element.GetAttribute("ProtectionLevel");
if ("EncryptAndSign".Equals(attribute, StringComparison.Ordinal))
{
bindingElement = new ContextBindingElement(ProtectionLevel.EncryptAndSign);
}
else if ("Sign".Equals(attribute, StringComparison.Ordinal))
{
bindingElement = new ContextBindingElement(ProtectionLevel.Sign);
}
else if ("None".Equals(attribute, StringComparison.Ordinal))
{
bindingElement = new ContextBindingElement(ProtectionLevel.None);
}
if (bindingElement != null)
{
assertions.Remove(element);
return true;
}
}
}
return false;
}
public static bool TryImportRequireContextAssertion(PolicyAssertionCollection assertions, out ContextBindingElement bindingElement)
{
if (assertions == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("assertions");
}
bindingElement = null;
foreach (XmlElement assertion in assertions)
{
if (assertion.LocalName == IncludeContextName
&& assertion.NamespaceURI == WscNamespace
&& ContainOnlyWhitespaceChild(assertion))
{
string protectionLevelAttribute = assertion.GetAttribute(ProtectionLevelName);
if (EncryptAndSignName.Equals(protectionLevelAttribute, StringComparison.Ordinal))
{
bindingElement = new ContextBindingElement(ProtectionLevel.EncryptAndSign);
}
else if (SignName.Equals(protectionLevelAttribute, StringComparison.Ordinal))
{
bindingElement = new ContextBindingElement(ProtectionLevel.Sign);
}
else if (NoneName.Equals(protectionLevelAttribute, StringComparison.Ordinal))
{
bindingElement = new ContextBindingElement(ProtectionLevel.None);
}
if (bindingElement != null)
{
assertions.Remove(assertion);
return true;
}
}
}
return false;
}
public void Validate(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
{
if (serviceDescription == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceDescription");
}
ContextBindingElement.ValidateContextBindingElementOnAllEndpointsWithSessionfulContract(serviceDescription, this);
if (serviceDescription.Behaviors != null)
{
ServiceBehaviorAttribute serviceBehavior = serviceDescription.Behaviors.Find <ServiceBehaviorAttribute>();
if (serviceBehavior != null)
{
if (serviceBehavior.InstanceContextMode != InstanceContextMode.PerSession)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.InstanceContextModeMustBePerSession, serviceBehavior.InstanceContextMode)));
}
if (serviceBehavior.ConcurrencyMode == ConcurrencyMode.Multiple)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.ConcurrencyMultipleNotSupported)));
}
if (serviceBehavior.ConcurrencyMode == ConcurrencyMode.Reentrant &&
this.UnknownExceptionAction == UnknownExceptionAction.AbortInstance)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.ConcurrencyReentrantAndAbortNotSupported)));
}
}
}
bool foundSessionfulContract = false;
foreach (ServiceEndpoint serviceEndpoint in serviceDescription.Endpoints)
{
if (serviceEndpoint != null && !serviceEndpoint.InternalIsSystemEndpoint(serviceDescription))
{
if (serviceEndpoint.Contract.SessionMode != SessionMode.NotAllowed)
{
foundSessionfulContract = true;
}
foreach (OperationDescription operation in serviceEndpoint.Contract.Operations)
{
DurableOperationAttribute durableBehavior =
operation.Behaviors.Find <DurableOperationAttribute>();
if (durableBehavior == null)
{
durableBehavior = defaultDurableOperationBehavior;
}
if (serviceEndpoint.Contract.SessionMode == SessionMode.NotAllowed)
{
if (!durableBehavior.CanCreateInstanceForOperation(operation.IsOneWay))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(
SR2.CanCreateInstanceMustBeTrue,
serviceEndpoint.Contract.Name,
operation.Name)));
}
}
else
{
if (operation.IsOneWay &&
durableBehavior.CanCreateInstanceForOperation(operation.IsOneWay))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(
SR2.CanCreateInstanceMustBeTwoWay,
serviceEndpoint.Contract.Name,
serviceEndpoint.Contract.SessionMode,
operation.Name)));
}
}
if (this.saveStateInOperationTransaction)
{
bool hasTransaction = false;
OperationBehaviorAttribute operationBehavior = operation.Behaviors.Find <OperationBehaviorAttribute>();
if (operationBehavior != null)
{
if (operationBehavior.TransactionScopeRequired)
{
hasTransaction = true;
}
}
TransactionFlowAttribute transactionBehavior = operation.Behaviors.Find <TransactionFlowAttribute>();
if (transactionBehavior != null)
{
if (transactionBehavior.Transactions == TransactionFlowOption.Mandatory)
{
hasTransaction = true;
}
}
if (!hasTransaction)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(
SR2.SaveStateInTransactionValidationFailed,
operation.Name,
serviceEndpoint.ListenUri)));
}
}
}
}
}
if (!foundSessionfulContract)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.SessionfulContractNotFound)));
}
}
public void Validate(ServiceDescription description, ServiceHostBase serviceHostBase)
{
ContextBindingElement.ValidateContextBindingElementOnAllEndpointsWithSessionfulContract(description, this);
}
