Пример #1
0
        private static PreflightOperationBehavior RegisterPreflightOperation(OperationDescription operation)
        {
            OperationDescription preflightOperation = CreatePreflightOperation(operation);

            preflightOperation.Behaviors.Add(new DataContractSerializerOperationBehavior(preflightOperation));

            string originalUriTemplate = GetPreflightUriTemplate(operation);
            var    wia = new WebInvokeAttribute {
                UriTemplate = originalUriTemplate, Method = "OPTIONS"
            };

            preflightOperation.Behaviors.Add(wia);

            string originalMethod             = GetHttpMethod(operation);
            var    preflightOperationBehavior = new PreflightOperationBehavior();

            preflightOperationBehavior.AddAllowedMethod(originalMethod);
            preflightOperation.Behaviors.Add(preflightOperationBehavior);

            operation.DeclaringContract.Operations.Add(preflightOperation);

            return(preflightOperationBehavior);
        }
Пример #2
0
        private static void RegisterPreflightOperations(ServiceEndpoint endpoint)
        {
            List <OperationDescription> corsEnabledOperations = endpoint.Contract.Operations
                                                                .Where(x => x.Behaviors.Find <CorsEnabledAttribute>() != null)
                                                                .ToList();
            var uriTemplates = new Dictionary <string, PreflightOperationBehavior>(StringComparer.OrdinalIgnoreCase);

            foreach (OperationDescription operation in corsEnabledOperations)
            {
                if (operation.Behaviors.Find <WebGetAttribute>() != null)
                {
                    // no need to add preflight operation for GET requests
                    continue;
                }

                if (operation.IsOneWay)
                {
                    // no support for 1-way messages
                    continue;
                }

                string originalUriTemplate = GetPreflightUriTemplate(operation);
                string originalMethod      = GetHttpMethod(operation);

                if (uriTemplates.ContainsKey(originalUriTemplate))
                {
                    // there is already an OPTIONS operation for this URI, we can reuse it
                    PreflightOperationBehavior operationBehavior = uriTemplates[originalUriTemplate];
                    operationBehavior.AddAllowedMethod(originalMethod);
                }
                else
                {
                    PreflightOperationBehavior preflightOperationBehavior = RegisterPreflightOperation(operation);
                    uriTemplates.Add(originalUriTemplate, preflightOperationBehavior);
                }
            }
        }
        private static PreflightOperationBehavior RegisterPreflightOperation(OperationDescription operation)
        {
            OperationDescription preflightOperation = CreatePreflightOperation(operation);

            preflightOperation.Behaviors.Add(new DataContractSerializerOperationBehavior(preflightOperation));

            string originalUriTemplate = GetPreflightUriTemplate(operation);
            var wia = new WebInvokeAttribute { UriTemplate = originalUriTemplate, Method = "OPTIONS" };
            preflightOperation.Behaviors.Add(wia);

            string originalMethod = GetHttpMethod(operation);
            var preflightOperationBehavior = new PreflightOperationBehavior();
            preflightOperationBehavior.AddAllowedMethod(originalMethod);
            preflightOperation.Behaviors.Add(preflightOperationBehavior);

            operation.DeclaringContract.Operations.Add(preflightOperation);

            return preflightOperationBehavior;
        }