private static async Task <IActionResult> HandlePOST(HttpRequest req, ILogger log) { var secureBlobStorageConnector = new SecureBlobStorageConnector.SecureBlobStorageConnector(_connectionString); try { if (req.Body.Length <= 0) { return(new BadRequestObjectResult("Provided file is empty!")); } } catch (NotSupportedException) { return(new BadRequestObjectResult("No file provided, or provided file is empty!")); } var contentType = req.Headers["content-type"]; if (string.IsNullOrEmpty(contentType)) { return(new BadRequestObjectResult("No content type provided in headers.")); } var mime = new Mime(); if (mime.Extension(contentType).Count == 0) { return(new BadRequestObjectResult($"Specified content type {contentType} invalid!")); } var extension = mime.Extension(contentType)[0]; var fileName = $"{Guid.NewGuid().ToString()}.{extension}"; var containerName = req.Query["containerName"]; await secureBlobStorageConnector.UploadAsync(fileName, req.Query["containerName"], req.Body); return(new CreatedResult(fileName, null)); }