public void ApplyDispatchBehavior(OperationDescription operationDescription, DispatchOperation dispatchOperation)
{
Logger.Debug(LogCategory.WebService, "ApplyDispatchBehavior(ServiceEndpoint endpoint, EndpointDispatcher endpointDispatcher) :: Adding custom CORS Behaviour to WCF Endpoint.");
//
CORSEnabledOperationAttribute corsEnabledOperation = operationDescription.OperationBehaviors.OfType <CORSEnabledOperationAttribute>().FirstOrDefault();
if (corsEnabledOperation != null)
{
DispatchRuntime dispatchRuntime = dispatchOperation.Parent;
if (dispatchRuntime != null)
{
lock (_lock)
{
CORSEnabledMessageInspector inspector = dispatchRuntime.MessageInspectors.OfType <CORSEnabledMessageInspector>().FirstOrDefault();
if (inspector == null)
{
inspector = new CORSEnabledMessageInspector();
dispatchRuntime.MessageInspectors.Add(inspector);
}
//
inspector.AddOperation(operationDescription.Name, corsEnabledOperation);
}
}
else
{
} // not expected :: operation does not have a parent Endpoint?..
}
else
{
} // not expected :: operation is not a [CORSEnabledOperation]?..
}
public object AfterReceiveRequest(ref Message request, IClientChannel channel, InstanceContext instanceContext)
{
HttpRequestMessageProperty httpProp = (request.Properties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty);
if (httpProp != null)
{
object tmp; request.Properties.TryGetValue(WebHttpDispatchOperationSelector.HttpOperationNamePropertyName, out tmp); string operationName = ((tmp as string) ?? string.Empty);
if (httpProp != null && string.IsNullOrEmpty(operationName) == false)
{
CORSEnabledOperationAttribute corsEnabledOperation = this.GetOperation(operationName);
if (corsEnabledOperation != null)
{
string origin = httpProp.Headers[CORSEnabledOperationAttribute.Origin];
if (origin != null)
{
return(origin);
}
else
{
} // does not contain Origin Header
}
else
{
} // not [CORSEnabled] operation contract
}
else
{
} // not operation contract
}
else
{
} // not HttpRequest
return(null);
}
public CORSEnabledOperationAttribute GetOperation(string operationName)
{
CORSEnabledOperationAttribute ret = null;
//
if (string.IsNullOrEmpty(operationName) == true)
{
throw new ArgumentNullException(nameof(operationName));
}
//
if (this._corsEnabledOperations.ContainsKey(operationName) == true)
{
ret = this._corsEnabledOperations[operationName];
}
//
return(ret);
}
public void AddOperation(string operationName, CORSEnabledOperationAttribute corsEnabledOperation)
{
if (string.IsNullOrEmpty(operationName) == true)
{
throw new ArgumentNullException(nameof(operationName));
}
if (corsEnabledOperation == null)
{
throw new ArgumentNullException(nameof(corsEnabledOperation));
}
//
if (this._corsEnabledOperations.ContainsKey(operationName) == true)
{
this._corsEnabledOperations[operationName] = corsEnabledOperation;
}
else
{
this._corsEnabledOperations.Add(operationName, corsEnabledOperation);
}
}
