public async Task <IActionResult> UploadFile(
[FromForm] UploadFileRequest fileData,
[FromRoute] string directoryId,
[FromQuery(Name = "revisionNr")] uint?revisionNumber)
{
#region - Input data validation
if (!IdGenerator.TypeFromId(directoryId, out var typOfId) || typOfId != IdType.Directory)
{
return(BadRequest());
}
if (fileData.File == null ||
fileData.File.Length <= 0 ||
fileData.File.Length > int.MaxValue ||
fileData.File.Length > config.Value.ValidationRules.MaxFileSizeInBytes ||
string.IsNullOrWhiteSpace(fileData.Name) ||
string.IsNullOrWhiteSpace(fileData.EncryptedKey) ||
string.IsNullOrWhiteSpace(fileData.PlaintextKey))
{
return(BadRequest());
}
var fileSize = (int)fileData.File.Length;
var plaintextKeyBytes = Convert.FromBase64String(fileData.PlaintextKey);
// Make sure the iv is 16 Bytes long and the key has exactly 32 Byte.
if (plaintextKeyBytes.Length != 16 + 32)
{
return(BadRequest());
}
#endregion
var fileId = IdGenerator.NewId(IdType.File);
try
{
// Upload file to bucket
var successful = await bucket.UploadFileEncrypted(
config.Value.ExternalServices.MinioBucketName,
fileId,
fileSize,
plaintextKeyBytes,
fileData.File.OpenReadStream());
if (!successful)
{
return(BadRequest());
}
// Add item to database
var quickNumber = await guardApi.AddFile(
directoryId,
fileId,
fileSize,
fileData.EncryptedKey,
DocumentLanguage.German,
ExtensionType.Docx);
// Add item to queue
var queueRequest = new QueueFileMetadataDto
{
FileId = fileId,
DirectoryId = directoryId,
DocumentLanguage = fileData.DocumentLanguage,
EncryptedKey = fileData.EncryptedKey,
FileName = fileData.Name,
PlaintextKey = fileData.PlaintextKey
};
await queueSender.Send(queueRequest);
// Build response
// TODO Remove casts and add uint return values in sub-apis
var response = new UploadFileResponse(
queueRequest.FileName,
fileId,
(uint)fileSize,
DateTime.UtcNow,
DateTime.MinValue,
(uint)quickNumber);
return(Ok(response));
}
catch (Exception e)
{
// TODO Remove file if something failed
Console.Write(e);
return(BadRequest());
}
}
public async Task <bool> UploadFileEncrypted(string bucketName, string fileId, int fileSize, byte[] plaintextKey, Stream fileStream)
{
return(await writableBucket.UploadFileEncrypted(bucketName, fileId, fileSize, plaintextKey, fileStream));
}