protected Task HandleException(IRequest httpReq, IResponse httpRes, string operationName, Exception ex)
{
var errorMessage = string.Format("Error occured while Processing Request: {0}", ex.Message);
Log.Error(errorMessage, ex);
try
{
HostContext.RaiseUncaughtException(httpReq, httpRes, operationName, ex);
return(EmptyTask);
}
catch (Exception writeErrorEx)
{
//Exception in writing to response should not hide the original exception
Log.Info("Failed to write error to response: {0}", writeErrorEx);
//rethrow the original exception
return(ex.AsTaskException());
}
finally
{
httpRes.EndRequest(skipHeaders: true);
}
}
protected Message ExecuteMessage(Message message, RequestAttributes requestAttributes, IRequest httpReq, IResponse httpRes)
{
var soapFeature = requestAttributes.ToSoapFeature();
appHost.AssertFeatures(soapFeature);
if (httpReq == null)
{
httpReq = HostContext.GetCurrentRequest();
}
if (httpRes == null && httpReq != null)
{
httpRes = httpReq.Response;
}
if (httpReq == null)
{
throw new ArgumentNullException(nameof(httpReq));
}
if (httpRes == null)
{
throw new ArgumentNullException(nameof(httpRes));
}
httpReq.UseBufferedStream = true;
var requestMsg = message ?? GetRequestMessageFromStream(httpReq.InputStream);
var soapAction = httpReq.GetHeader(HttpHeaders.SOAPAction)
?? GetAction(requestMsg);
if (soapAction != null)
{
httpReq.OperationName = soapAction.Trim('"');
}
if (HostContext.ApplyCustomHandlerRequestFilters(httpReq, httpRes))
{
return(PrepareEmptyResponse(message, httpReq));
}
string requestXml = GetRequestXml(requestMsg);
var requestType = GetRequestType(requestMsg, requestXml);
httpReq.OperationName = requestType.GetOperationName();
if (!HostContext.Metadata.CanAccess(requestAttributes, soapFeature.ToFormat(), requestType.GetOperationName()))
{
throw HostContext.UnauthorizedAccess(requestAttributes);
}
try
{
var useXmlSerializerRequest = requestType.HasAttribute <XmlSerializerFormatAttribute>();
var request = appHost.ApplyRequestConvertersAsync(httpReq,
useXmlSerializerRequest
? XmlSerializableSerializer.Instance.DeserializeFromString(requestXml, requestType)
: Serialization.DataContractSerializer.Instance.DeserializeFromString(requestXml, requestType)
).Result;
httpReq.Dto = request;
if (request is IRequiresSoapMessage requiresSoapMessage)
{
requiresSoapMessage.Message = requestMsg;
}
httpReq.SetItem(Keywords.SoapMessage, requestMsg);
httpRes.ContentType = GetSoapContentType(httpReq.ContentType);
var hasRequestFilters = HostContext.AppHost.GlobalRequestFiltersArray.Length > 0 ||
HostContext.AppHost.GlobalRequestFiltersAsyncArray.Length > 0 ||
FilterAttributeCache.GetRequestFilterAttributes(request.GetType()).Any();
if (hasRequestFilters)
{
HostContext.ApplyRequestFiltersAsync(httpReq, httpRes, request).Wait();
if (httpRes.IsClosed)
{
return(EmptyResponse(requestMsg, requestType));
}
}
httpReq.RequestAttributes |= requestAttributes;
var response = ExecuteService(request, httpReq);
if (response is Task taskResponse)
{
response = taskResponse.GetResult();
}
response = appHost.ApplyResponseConvertersAsync(httpReq, response).Result;
appHost.ApplyResponseFiltersAsync(httpReq, httpRes, response).Wait();
if (httpRes.IsClosed)
{
return(EmptyResponse(requestMsg, requestType));
}
var httpResult = response as IHttpResult;
if (httpResult != null)
{
response = httpResult.Response;
}
var noMsgAction = requestMsg.Headers.Action == null;
var responseMsg = CreateResponseMessage(response, requestMsg.Version, requestType, noMsgAction);
if (httpResult != null)
{
SetErrorStatusIfAny(httpReq.Response, responseMsg, httpResult.Status);
}
return(responseMsg);
}
catch (Exception ex)
{
if (httpReq.Dto != null)
{
HostContext.RaiseServiceException(httpReq, httpReq.Dto, ex).Wait();
}
else
{
HostContext.RaiseUncaughtException(httpReq, httpRes, httpReq.OperationName, ex).Wait();
}
throw new SerializationException("3) Error trying to deserialize requestType: "
+ requestType
+ ", xml body: " + requestXml, ex);
}
}