public static async Task <HttpResponseMessage> Run( [HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "paths/{path}/regions")] HttpRequest req, ILogger log, string path, [Inject] ILoggerHelper loggerHelper, [Inject] IHttpRequestHelper httpRequestHelper, [Inject] IHttpResponseMessageHelper httpResponseMessageHelper, [Inject] IJsonHelper jsonHelper, [Inject] IRegionService regionService ) { loggerHelper.LogMethodEnter(log); // validate the parameters are present var dssCorrelationId = httpRequestHelper.GetDssCorrelationId(req); if (string.IsNullOrEmpty(dssCorrelationId)) { log.LogInformation($"Unable to locate '{nameof(dssCorrelationId)}' in request header"); } if (!Guid.TryParse(dssCorrelationId, out var correlationGuid)) { log.LogInformation($"Unable to parse '{nameof(dssCorrelationId)}' to a Guid"); correlationGuid = Guid.NewGuid(); } if (string.IsNullOrEmpty(path)) { loggerHelper.LogInformationMessage(log, correlationGuid, $"Missing value in request for '{nameof(path)}'"); return(httpResponseMessageHelper.BadRequest()); } var pathRegex = new Regex(@"^[A-Za-z0-9.,-_]*$"); if (path.Length > 100 || !pathRegex.IsMatch(path)) { loggerHelper.LogInformationMessage(log, correlationGuid, $"Invalid value in request for '{nameof(path)}'"); return(httpResponseMessageHelper.BadRequest()); } Models.Region regionRequest; try { loggerHelper.LogInformationMessage(log, correlationGuid, "Attempt to get resource from body of the request"); regionRequest = await httpRequestHelper.GetResourceFromRequest <Models.Region>(req); if (regionRequest == null) { loggerHelper.LogInformationMessage(log, correlationGuid, "Missing body in req"); return(httpResponseMessageHelper.UnprocessableEntity()); } } catch (JsonException ex) { loggerHelper.LogError(log, correlationGuid, "Unable to retrieve body from req", ex); return(httpResponseMessageHelper.UnprocessableEntity(ex)); } if (path != regionRequest.Path) { loggerHelper.LogInformationMessage(log, correlationGuid, $"Request value for '{nameof(regionRequest.Path)}' does not match resource path value"); return(httpResponseMessageHelper.BadRequest()); } if (string.IsNullOrEmpty(regionRequest.RegionEndpoint)) { loggerHelper.LogInformationMessage(log, correlationGuid, $"Missing value in request for '{nameof(regionRequest.RegionEndpoint)}'"); return(httpResponseMessageHelper.BadRequest()); } const string PlaceMarkerStub = "{0}"; string regionEndpoint = regionRequest.RegionEndpoint; if (regionEndpoint.Contains(PlaceMarkerStub)) { // this is allowable, so replace with a valid string to permit the Uri.IsWellFormedUriString to check the resulting string regionEndpoint = regionEndpoint.Replace(PlaceMarkerStub, "valid"); } if (!Uri.IsWellFormedUriString(regionEndpoint, UriKind.Absolute)) { loggerHelper.LogInformationMessage(log, correlationGuid, $"Request value for '{nameof(regionRequest.RegionEndpoint)}' is not a valid absolute Uri"); return(httpResponseMessageHelper.BadRequest()); } if (regionRequest.PageRegion == PageRegions.None || !Enum.IsDefined(typeof(PageRegions), regionRequest.PageRegion)) { loggerHelper.LogInformationMessage(log, correlationGuid, $"Missing/invalid value in request for '{nameof(regionRequest.PageRegion)}'"); return(httpResponseMessageHelper.BadRequest()); } if (!string.IsNullOrEmpty(regionRequest.OfflineHtml)) { var htmlDoc = new HtmlDocument(); htmlDoc.LoadHtml(regionRequest.OfflineHtml); if (htmlDoc.ParseErrors.Any()) { loggerHelper.LogInformationMessage(log, correlationGuid, $"Request value for '{nameof(regionRequest.OfflineHtml)}' contains malformed HTML"); return(httpResponseMessageHelper.BadRequest()); } } loggerHelper.LogInformationMessage(log, correlationGuid, string.Format("Attempting to create region {0}", regionRequest.DocumentId)); var createdRegion = await regionService.CreateAsync(regionRequest); loggerHelper.LogMethodExit(log); return(createdRegion != null ? httpResponseMessageHelper.Ok(jsonHelper.SerializeObjectAndRenameIdProperty(createdRegion, "id", nameof(Models.Region.DocumentId))) : httpResponseMessageHelper.NoContent()); }