public async Task <IActionResult> PostAttachment([FromForm] FileFormData model)
{
//Validate the Model
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
Boolean isUploaded = false;
//Check if the file is not empty
if (model.File.Length > 0)
{
Stream stream = model.File.OpenReadStream();
string contentType = model.File.ContentType;
BlobProperties properties = new BlobProperties
{
ContentType = contentType,
Security = BlobSecurity.Public
};
string blobContainer = model.ParentItem.ToString();
string blobName = Path.GetRandomFileName();
isUploaded = await _provider.UploadBlobAsync(blobContainer, blobName, stream, properties);
//store the data
var attachment = new Attachment()
{
UploadedBy = model.UploadedBy,
ParentItem = model.ParentItem,
FileName = model.File.FileName,
Size = model.File.Length,
BlobContainer = blobContainer,
BlobName = blobName,
UploadedOn = DateTime.UtcNow
};
_context.attachments.Add(attachment);
if (isUploaded)
{
await _context.SaveChangesAsync();
return(Created(nameof(AttachmentController), new AttachmentDTO()
{
Id = attachment.Id,
FileName = attachment.FileName,
Size = attachment.Size,
UploadedBy = attachment.UploadedBy,
UploadedOn = attachment.UploadedOn
}));
}
}
ModelState.AddModelError("File", $"The request couldn't be processed (Error 20).");
// Log error
return(BadRequest(ModelState));
}
public async Task <object> Post([FromForm] FileFormData formData)
{
IFormFile file = formData?.File;
if (null == file)
{
_logger.LogWarning("File is empty");
return(Problem(
type: "err-empty",
title: "File is empty",
statusCode: (int)HttpStatusCode.BadRequest));
}
if (file.Length > maxFileSize)
{
_logger.LogWarning($"File too big {file.Length}");
return(Problem(
type: "err-file-too-large",
title: $"Request file should be no more than {maxFileSize / 1024 / 1024} Mbytes",
statusCode: (int)HttpStatusCode.RequestEntityTooLarge));
}
var sw = new Stopwatch();
sw.Start();
try
{
await using (var fi = file.OpenReadStream())
{
using (var clamClient = clamClientFactory())
{
await clamClient.InstreamAsync(fi);
}
}
}
catch (ClamException e)
{
_logger.LogWarning(e.Message);
return(Problem(
type: "err-scan",
title: e.Message,
statusCode: (int)HttpStatusCode.Forbidden));
}
catch (SocketException e)
{
_logger.LogError(e, e.Message);
return(Problem(
type: "err-socket",
title: e.Message,
statusCode: (int)HttpStatusCode.ServiceUnavailable));
}
catch (Exception e)
{
_logger.LogError(e, e.Message);
return(Problem(
type: "err-unexpected",
title: e.Message,
statusCode: (int)HttpStatusCode.InternalServerError));
}
finally
{
_logger.LogInformation($"Scanned {file.Length} bytes in {sw.ElapsedMilliseconds}mS ({(long)((double)file.Length*1000 / sw.ElapsedMilliseconds)} bps)");
}
_logger.LogInformation("Scan pass");
return(NoContent()); // a good thing
}