protected async Task <Guid?> UploadFile()
{
var authorId = Guid.Parse(HttpContext.User.Identity.Name);
if (!MultipartRequestHelper.IsMultipartContentType(Request.ContentType))
{
return(null);
}
var boundary = MultipartRequestHelper.GetBoundary(MediaTypeHeaderValue.Parse(Request.ContentType), Constants.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync().ConfigureAwait(true);
while (section != null)
{
var hasContentDispositionHeader = ContentDispositionHeaderValue.TryParse(section.ContentDisposition, out var contentDisposition);
if (hasContentDispositionHeader)
{
if (MultipartRequestHelper.HasFileContentDisposition(contentDisposition))
{
var nameHtmlEncoded = WebUtility.HtmlEncode(contentDisposition.FileName.Value);
return(await fileRepo.SaveAttachment(section, nameHtmlEncoded, authorId).ConfigureAwait(true));
}
}
section = await reader.ReadNextSectionAsync();
}
return(null);
}
