/// <summary>
/// Function used to detect the desired response format and return the rpc error response
/// </summary>
/// <param name="request"></param>
/// <param name="code"></param>
/// <param name="_responseEnvelope"></param>
/// <returns></returns>
public HttpResponseMessage FormatRpcErrorResponse(HttpRequestMessage request, HttpStatusCode code, RpcAuthenticationResponse _responseEnvelope)
{
HttpResponseMessage response = new HttpResponseMessage();
var responseType = request.GetRequestContext().Url.Request.Headers.Accept.LastOrDefault();
//Check the requested response format
if (responseType != null && responseType.ToString().ToLower().Equals("application/xml"))
response.Content = new ObjectContent<RpcAuthenticationResponse>(_responseEnvelope, new XmlMediaTypeFormatter());
else
response.Content = new ObjectContent<RpcAuthenticationResponse>(_responseEnvelope, new JsonMediaTypeFormatter());
return response;
}
protected override Task<HttpResponseMessage> SendAsync(
HttpRequestMessage request, CancellationToken cancellationToken)
{
LoggingUtility log = LoggerFactory.GetLogger();
string _requestId = request.Properties["requestId"].ToString();
ErrorUtil errorUtil = new ErrorUtil();
RpcAuthenticationResponse _responseEnvelope = new RpcAuthenticationResponse(_requestId);
LogObject logObject = new LogObject();
var errorResponse = new HttpResponseMessage();
var tsc = new TaskCompletionSource<HttpResponseMessage>();
//Initialize the error to 0 to be able to check later if there is any error in the request
int Error = 0;
if (new CommonMethods().IsLegacyFormat(request.RequestUri.OriginalString))
request = new CommonMethods().CombobulateRequest(request);
AuthenticationObject authenticationObject = new CommonMethods().GetAuthenticationHeader(request);
if (authenticationObject == null || authenticationObject.AuthenticationType == null || authenticationObject.ApiUser == null || authenticationObject.SharedSecret == null)
{
Error = ErrorKey.ERR_HUB_AUTHENTICATION_FAILED;
authenticationObject = new AuthenticationObject();
}
//Authenticate with pmp
else
{
Error = PmpAuth(authenticationObject);
}
//The following logic has been added to enforce xml output by default if no or incompatible application value is specified in the request header
var responseType = request.GetRequestContext().Url.Request.Headers.Accept.LastOrDefault();
if (responseType != null && responseType.ToString().ToLower().Equals("application/json"))
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
else
request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/xml"));
if (Error != 0)
{
_responseEnvelope.Data.Errors.Add(new ErrorObject(Error));
errorResponse = new MethodsApi().FormatRpcErrorResponse(request, HttpStatusCode.Unauthorized, _responseEnvelope);
//R185 Modification
logObject = new CommonMethods().Authentication_ToLogObject(_requestId, authenticationObject.ApiUser, OperationType, OperationName, authenticationObject, _responseEnvelope.Data.Errors);
log.InfoJson(logObject);
tsc.SetResult(errorResponse);
return tsc.Task;
}
//Authentication succeeded...continue with the request
else
{
// This piece of code has been added to unit test this handler
// In case of success we are returning an empty RpcAuthenticationResponse
if (xunit)
{
tsc.SetResult(new MethodsApi().FormatRpcErrorResponse(request, HttpStatusCode.OK, _responseEnvelope));
return tsc.Task;
}
logObject = new CommonMethods().Authentication_ToLogObject(_requestId, authenticationObject.ApiUser, OperationType, OperationName, authenticationObject, _responseEnvelope.Data.Errors);
log.InfoJson(logObject);
var rpcResponse = base.SendAsync(request, cancellationToken);
//Check if request has missing parameters (e.g. does not specify the term id or the offer id in the url)
if (rpcResponse.Result.StatusCode == HttpStatusCode.NotFound)
{
_responseEnvelope.Data.Errors.Add(new ErrorObject(ErrorKey.ERR_HUB_MISSING_DATA_ARGUMENTS));
//Log the error
Dictionary<string, string> parameters = new Dictionary<string, string>();
parameters.Add("URL", rpcResponse.Result.RequestMessage.RequestUri.PathAndQuery);
log.InfoJson(new Methods().Error_ToLogObject(_requestId, authenticationObject.ApiUser, OperationType, operationName.ApiCall.ToString(), parameters, _responseEnvelope.Data.Errors));
errorResponse = new MethodsApi().FormatRpcErrorResponse(request, HttpStatusCode.NotFound, _responseEnvelope);
tsc.SetResult(errorResponse);
return tsc.Task;
}
return rpcResponse;
}
}
