public object Execute(IRequest req)
{
string contentType;
var restPath = RestHandler.FindMatchingRestPath(req.Verb, req.PathInfo, out contentType);
req.SetRoute(restPath as RestPath);
req.OperationName = restPath.RequestType.GetOperationName();
var request = RestHandler.CreateRequest(req, restPath);
req.Dto = request;
if (appHost.ApplyRequestFilters(req, req.Response, request))
{
return(null);
}
var response = Execute(request, req);
if (appHost.ApplyResponseFilters(req, req.Response, response))
{
return(null);
}
return(response);
}
public override Task ProcessRequestAsync(IRequest httpReq, IResponse httpRes, string operationName)
{
try
{
appHost.AssertFeatures(format);
if (appHost.ApplyPreRequestFilters(httpReq, httpRes))
{
return(TypeConstants.EmptyTask);
}
httpReq.ResponseContentType = httpReq.GetQueryStringContentType() ?? this.HandlerContentType;
var callback = httpReq.QueryString[Keywords.Callback];
var doJsonp = HostContext.Config.AllowJsonpRequests &&
!string.IsNullOrEmpty(callback);
var request = httpReq.Dto = CreateRequest(httpReq, operationName);
if (appHost.ApplyRequestFilters(httpReq, httpRes, request))
{
return(TypeConstants.EmptyTask);
}
var rawResponse = GetResponse(httpReq, request);
if (httpRes.IsClosed)
{
return(TypeConstants.EmptyTask);
}
return(HandleResponse(rawResponse, response =>
{
response = appHost.ApplyResponseConverters(httpReq, response);
if (appHost.ApplyResponseFilters(httpReq, httpRes, response))
{
return TypeConstants.EmptyTask;
}
if (doJsonp && !(response is CompressedResult))
{
return httpRes.WriteToResponse(httpReq, response, (callback + "(").ToUtf8Bytes(), ")".ToUtf8Bytes());
}
return httpRes.WriteToResponse(httpReq, response);
},
ex => !HostContext.Config.WriteErrorsToResponse
? ex.ApplyResponseConverters(httpReq).AsTaskException()
: HandleException(httpReq, httpRes, operationName, ex.ApplyResponseConverters(httpReq))));
}
catch (Exception ex)
{
return(!HostContext.Config.WriteErrorsToResponse
? ex.ApplyResponseConverters(httpReq).AsTaskException()
: HandleException(httpReq, httpRes, operationName, ex.ApplyResponseConverters(httpReq)));
}
}
public object ApplyResponseFilters(object response, IRequest req)
{
var taskResponse = response as Task;
if (taskResponse != null)
{
taskResponse.Wait();
response = taskResponse.GetResult();
}
response = appHost.ApplyResponseConverters(req, response);
if (appHost.ApplyResponseFilters(req, req.Response, response))
{
return(req.Response.Dto);
}
return(response);
}
private object ApplyResponseFiltersInternal(object response, IRequest req)
{
response = appHost.ApplyResponseConverters(req, response);
if (appHost.ApplyResponseFilters(req, req.Response, response))
{
return(req.Response.Dto);
}
return(response);
}
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("httpReq");
}
if (httpRes == null)
{
throw new ArgumentNullException("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.ApplyRequestConverters(httpReq,
useXmlSerializerRequest
? XmlSerializableSerializer.Instance.DeserializeFromString(requestXml, requestType)
: Serialization.DataContractSerializer.Instance.DeserializeFromString(requestXml, requestType)
);
httpReq.Dto = request;
var requiresSoapMessage = request as IRequiresSoapMessage;
if (requiresSoapMessage != null)
{
requiresSoapMessage.Message = requestMsg;
}
httpReq.SetItem(Keywords.SoapMessage, requestMsg);
httpRes.ContentType = GetSoapContentType(httpReq.ContentType);
var hasRequestFilters = HostContext.GlobalRequestFilters.Count > 0 ||
FilterAttributeCache.GetRequestFilterAttributes(request.GetType()).Any();
if (hasRequestFilters && HostContext.ApplyRequestFilters(httpReq, httpRes, request))
{
return(EmptyResponse(requestMsg, requestType));
}
httpReq.RequestAttributes |= requestAttributes;
var response = ExecuteService(request, httpReq);
var taskResponse = response as Task;
if (taskResponse != null)
{
taskResponse.Wait();
response = Text.FastMember.TypeAccessor.Create(taskResponse.GetType())[taskResponse, "Result"];
}
response = appHost.ApplyResponseConverters(httpReq, response);
if (appHost.ApplyResponseFilters(httpReq, httpRes, response))
{
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);
}
else
{
HostContext.RaiseUncaughtException(httpReq, httpRes, httpReq.OperationName, ex);
}
throw new SerializationException("3) Error trying to deserialize requestType: "
+ requestType
+ ", xml body: " + requestXml, ex);
}
}
public override Task ProcessRequestAsync(IRequest httpReq, IResponse httpRes, string operationName)
{
try
{
appHost.AssertFeatures(format);
if (appHost.ApplyPreRequestFilters(httpReq, httpRes))
{
return(TypeConstants.EmptyTask);
}
httpReq.ResponseContentType = httpReq.GetQueryStringContentType() ?? this.HandlerContentType;
var callback = httpReq.QueryString[Keywords.Callback];
var doJsonp = HostContext.Config.AllowJsonpRequests &&
!string.IsNullOrEmpty(callback);
var request = httpReq.Dto = CreateRequest(httpReq, operationName);
if (appHost.ApplyRequestFilters(httpReq, httpRes, request))
{
return(TypeConstants.EmptyTask);
}
return(appHost.ApplyRequestFiltersAsync(httpReq, httpRes, request)
.Continue(t =>
{
if (t.IsFaulted)
{
return t;
}
if (t.IsCanceled)
{
httpRes.StatusCode = (int)HttpStatusCode.PartialContent;
httpRes.EndRequest();
}
if (httpRes.IsClosed)
{
return TypeConstants.EmptyTask;
}
var rawResponse = GetResponse(httpReq, request);
if (httpRes.IsClosed)
{
return TypeConstants.EmptyTask;
}
return HandleResponse(rawResponse, response =>
{
UpdateResponseContentType(httpReq, response);
response = appHost.ApplyResponseConverters(httpReq, response);
if (appHost.ApplyResponseFilters(httpReq, httpRes, response))
{
return TypeConstants.EmptyTask;
}
if (doJsonp && !(response is CompressedResult))
{
return httpRes.WriteToResponse(httpReq, response, (callback + "(").ToUtf8Bytes(), ")".ToUtf8Bytes());
}
return httpRes.WriteToResponse(httpReq, response);
});
})
.Unwrap()
.Continue(t =>
{
if (t.IsFaulted)
{
var taskEx = t.Exception.UnwrapIfSingleException();
return !HostContext.Config.WriteErrorsToResponse
? taskEx.ApplyResponseConverters(httpReq).AsTaskException()
: HandleException(httpReq, httpRes, operationName, taskEx.ApplyResponseConverters(httpReq));
}
return t;
})
.Unwrap());
}
catch (Exception ex)
{
return(!HostContext.Config.WriteErrorsToResponse
? ex.ApplyResponseConverters(httpReq).AsTaskException()
: HandleException(httpReq, httpRes, operationName, ex.ApplyResponseConverters(httpReq)));
}
}
