public RequestHandlerGuard(Type type, EntitySecurityConfigurationRegister entitySecurityConfigurationRegister)
{
// If child implements ISecureHandler<,,>.
this.ContextCommand = type.GetTypeInfo().GetInterfaces()
.SingleOrDefault(t =>
{
if (!t.GetTypeInfo().IsGenericType)
{
return(false);
}
var genericTypeDefinition = t.GetGenericTypeDefinition();
return
(genericTypeDefinition == typeof(ISecureHandler <, ,>) ||
genericTypeDefinition == typeof(IAsyncSecureHandler <, ,>));
});
this.GetPermission = type.GetTypeInfo().GetMethod(nameof(ISecureHandler.GetPermission));
if (this.ContextCommand != null)
{
// Get T from ISecureHandler<TContext,TRequest>
var contextType = this.ContextCommand.GenericTypeArguments[0];
if (!entitySecurityConfigurationRegister.Guards.TryGetValue(contextType, out var guard))
{
throw new BusinessException($"Context of type `{contextType.Name}` was not registered with the `SecurityGuard`.");
}
this.EntitySecurityConfiguration = guard;
this.EnforceContextPermission =
this.EntitySecurityConfiguration.PermissionManager.GetTypeInfo().GetMethod(nameof(SystemPermissionManager.EnforceCanDo));
}
// If child implements ISecureHandler.
this.SystemCommand = type.GetTypeInfo().GetInterfaces().SingleOrDefault(t => t == typeof(ISecureHandler));
}
public RequestHandlerGuardRegister(EntitySecurityConfigurationRegister entitySecurityConfigurationRegister)
{
this.entitySecurityConfigurationRegister = entitySecurityConfigurationRegister;
}
