コード例 #1
0
        public void OnActionExecuted(ActionExecutedContext context)
        {
            Console.WriteLine("OnActionExecuted");

            var attributes        = ((ControllerActionDescriptor)context.ActionDescriptor).MethodInfo.CustomAttributes;
            var mutationAttribute = attributes.FirstOrDefault(a => a.AttributeType.Name == nameof(MutateHttpBodyAttribute));

            if (mutationAttribute == null)
            {
                return;
            }
            ;

            foreach (var mutationType in mutationAttribute.NamedArguments)
            {
                switch (mutationType.MemberName)
                {
                case nameof(MutateHttpBodyAttribute.IncomingType):
                    if (((Type)mutationType.TypedValue.Value).Name != typeof(TPreMutate).Name)
                    {
                        return;
                    }
                    break;

                case nameof(MutateHttpBodyAttribute.OutgoingType):
                    if (((Type)mutationType.TypedValue.Value).Name != typeof(TPostMutate).Name)
                    {
                        return;
                    }
                    break;

                default:
                    return;
                }
            }

            var resultValue    = context.Result as ObjectResult;
            var valueAsJObject = JObject.FromObject(resultValue.Value);

            foreach (var property in valueAsJObject)
            {
                var propertyName = property.Key;
                if (PropertiesToMutate.Contains(propertyName))
                {
                    var mutator = HttpBodyMutatorConfiguration <TPreMutate, TPostMutate> .GetResponseMutator(propertyName);

                    var outGoingVal = valueAsJObject[propertyName].ToObject <TPostMutate>();
                    var mutatedVal  = mutator(outGoingVal);
                    valueAsJObject[propertyName] = JToken.FromObject(mutatedVal);
                }
            }

            ((ObjectResult)context.Result).Value = valueAsJObject;
        }
コード例 #2
0
        public void OnResourceExecuting(ResourceExecutingContext context)
        {
            Console.WriteLine("OnResourceExecuting");

            var attributes        = ((ControllerActionDescriptor)context.ActionDescriptor).MethodInfo.CustomAttributes;
            var mutationAttribute = attributes.FirstOrDefault(a => a.AttributeType.Name == nameof(MutateHttpBodyAttribute));

            if (mutationAttribute == null)
            {
                return;
            }
            ;

            foreach (var mutationType in mutationAttribute.NamedArguments)
            {
                switch (mutationType.MemberName)
                {
                case nameof(MutateHttpBodyAttribute.IncomingType):
                    if (((Type)mutationType.TypedValue.Value).Name != typeof(TPreMutate).Name)
                    {
                        return;
                    }
                    break;

                case nameof(MutateHttpBodyAttribute.OutgoingType):
                    if (((Type)mutationType.TypedValue.Value).Name != typeof(TPostMutate).Name)
                    {
                        return;
                    }
                    break;

                default:
                    return;
                }
            }

            var pathArgs = context.RouteData.Values;

            foreach (var pathArg in pathArgs)
            {
                var propertyName = pathArg.Key;
                if (PropertiesToMutate.Contains(propertyName))
                {
                    var incomingVal = (TPreMutate)pathArg.Value;
                    var mutator     = HttpBodyMutatorConfiguration <TPreMutate, TPostMutate> .GetRequestMutator(propertyName);

                    var mutatedVal = mutator(incomingVal);
                    context.RouteData.Values[propertyName] = mutatedVal;
                }
            }

            var httpContext   = context.HttpContext;
            var originalBody  = new StreamReader(httpContext.Request.Body).ReadToEnd();
            var bodyAsJObject = JObject.Parse(originalBody);

            foreach (var property in bodyAsJObject)
            {
                var propertyName = property.Key;
                if (PropertiesToMutate.Contains(propertyName))
                {
                    var mutator = HttpBodyMutatorConfiguration <TPreMutate, TPostMutate> .GetRequestMutator(propertyName);

                    var incomingVal = bodyAsJObject[propertyName].ToObject <TPreMutate>();
                    var mutatedVal  = mutator(incomingVal);
                    bodyAsJObject[propertyName] = JToken.FromObject(mutatedVal);
                }
            }

            var serializedBody = JsonConvert.SerializeObject(bodyAsJObject);
            var newBodyContent = new StringContent(serializedBody, Encoding.UTF8, "application/json");
            var newStreamBody  = newBodyContent.ReadAsStreamAsync().GetAwaiter().GetResult();

            httpContext.Request.Body = newStreamBody;
        }
コード例 #3
0
 public HttpValuesMutationFilter()
 {
     PropertiesToMutate = HttpBodyMutatorConfiguration <TPreMutate, TPostMutate> .GetPropertiesToMutate();
 }