/// <summary>
/// Called when an <see cref="InstanceContext"/> object recycles a service object.
/// </summary>
/// <param name="instanceContext">The service's instance context.</param>
/// <param name="instance">The service object to be recycled.</param>
public void ReleaseInstance(InstanceContext instanceContext, object instance)
{
InstanceContextServiceScope ctxScope = instanceContext.Extensions.Find <InstanceContextServiceScope>();
if (ctxScope != null)
{
ctxScope.Dispose();
}
}
/// <summary>
/// Returns a service object given the specified System.ServiceModel.InstanceContext object.
/// </summary>
/// <param name="instanceContext">The current InstanceContext object.</param>
/// <param name="message">The message that triggered the creation of a service object.</param>
/// <returns>The service object.</returns>
public object GetInstance(InstanceContext instanceContext, Message message)
{
InstanceContextServiceScope ctxScope = instanceContext.Extensions.Find <InstanceContextServiceScope>();
if (ctxScope == null)
{
Trace.TraceError("InstanceContextServiceScope not registred for instance context. Using default service provider");
return(serviceProvider.GetService(contractType));
}
IServiceScope scope = ctxScope.GetServiceScope(serviceProvider);
return(scope.ServiceProvider.GetService(contractType));
}
/// <summary>
/// Called before client calls are sent and after service responses are returned.
/// </summary>
/// <param name="operationName">The name of the operation.</param>
/// <param name="inputs">The objects passed to the method by the client.</param>
/// <returns>The correlation state that is returned as the correlationState parameter in <see cref="AfterCall(string, object[], object, object)"/>.
/// Return null if you do not intend to use correlation state.</returns>
public object BeforeCall(string operationName, object[] inputs)
{
InstanceContextServiceScope ctxScope = OperationContext.Current.InstanceContext.Extensions.Find <InstanceContextServiceScope>();
var svcProvider = ctxScope?.GetServiceScope(null)?.ServiceProvider;
ErrorList errors = svcProvider?.GetService <ErrorList>();
if (errors == null)
{
return(null);
}
foreach (object obj in inputs)
{
foreach (ValidationResult result in DataAnnotationValidator.GetValidationErrors(serviceProvider, obj))
{
errors.AddValidationError(result.ErrorMessage);
}
}
return(null);
}
/// <summary>
/// Returns a service object given the specified <see cref="InstanceContext"/> object.
/// </summary>
/// <param name="instanceContext">The current InstanceContext object.</param>
/// <param name="message">The message that triggered the creation of a service object.</param>
/// <returns>The service object.</returns>
public object GetInstance(InstanceContext instanceContext, Message message)
{
InstanceContextServiceScope ctxScope = instanceContext.Extensions.Find <InstanceContextServiceScope>();
if (ctxScope == null)
{
Trace.TraceError("InstanceContextServiceScope not registered for instance context. Using default service provider");
return(serviceProvider.GetService(contractType));
}
IServiceScope scope = ctxScope.GetServiceScope(serviceProvider);
// find and set the current principal on the principal provider for the current scope
IPrincipalProvider principalProvider = scope.ServiceProvider.GetService <IPrincipalProvider>();
if (principalProvider != null)
{
if (ServiceSecurityContext.Current.AuthorizationContext.Properties.TryGetValue("ClaimsPrincipal", out object principal))
{
principalProvider.CurrentPrincipal = principal as ClaimsPrincipal;
}
}
return(scope.ServiceProvider.GetService(contractType));
}
