public async Task <ResponseModel <FileContentResultModel> > Handle(GetByFileNameQuery request, CancellationToken cancellationToken)
{
var fileExtension = Path.GetExtension(request.FileName);
var categoryPath = Path.Combine(_contentRootPath, "Archive", request.CategoryName);
var fileAbsolutePath = Path.Combine(categoryPath, request.FileName);
var fileContentResult = new FileContentResultModel();
if (fileExtension != FileConstants.AesExtension && fileExtension != FileConstants.RijndaelExtension)
{
if (!Directory.Exists(categoryPath))
{
return(ResponseProvider.NotFound <FileContentResultModel>(nameof(request.CategoryName)));
}
if (!File.Exists(fileAbsolutePath))
{
return(ResponseProvider.NotFound <FileContentResultModel>(nameof(request.FileName)));
}
fileContentResult.StreamData = await FileHelpers.ReadFileToMemoryStream(fileAbsolutePath);
fileContentResult.FileName = request.FileName;
}
using (FileStream fs = File.Open(fileAbsolutePath, FileMode.Open))
{
byte[] data = new BinaryReader(fs).ReadBytes((int)fs.Length);
fileContentResult.StreamData = await DecryptFile(data, fileExtension);
fileContentResult.FileName = Path.GetFileNameWithoutExtension(request.FileName);
return(ResponseProvider.Ok(fileContentResult));
}
}
public async Task <ResponseModel <PagedList <EncryptedFile> > > Handle(FullListQuery request, CancellationToken cancellationToken)
{
var encryptedFiles = _context.EncryptedFiles
.AsNoTracking();
var response = await PagedList <EncryptedFile> .Create(encryptedFiles, request.Page, request.PageSize);
return(ResponseProvider.Ok(response));
}
public async Task <ResponseModel> Handle(MultipleFileUploadCommand request, CancellationToken cancellationToken)
{
var errorModel = new FormFileErrorModel();
if (!MultipartRequestHelper.IsMultipartContentType(_accessor.HttpContext.Request.ContentType))
{
errorModel.Errors.Add("File",
$"The request couldn't be processed (Error 1).");
return(ResponseProvider.Ok(errorModel));
}
var boundary = MultipartRequestHelper.GetBoundary(
MediaTypeHeaderValue.Parse(_accessor.HttpContext.Request.ContentType),
_defaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, _accessor.HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync(cancellationToken);
while (section != null)
{
var hasContentDispositionHeader =
ContentDispositionHeaderValue.TryParse(
section.ContentDisposition, out var contentDisposition);
if (hasContentDispositionHeader)
{
if (!MultipartRequestHelper
.HasFileContentDisposition(contentDisposition))
{
errorModel.Errors.Add("File", $"The request couldn't be processed (Error 2).");
return(ResponseProvider.Ok(errorModel));
}
else
{
var streamedFileContent = await FileHelpers.ProcessStreamedFile(
section, contentDisposition, errorModel,
_permittedExtensions, _streamFileLimitSize, ValidateExtension.Encrypt);
if (errorModel.Errors.Any())
{
return(ResponseProvider.Ok(errorModel));
}
var fileName = FileHelpers.GetFileName(section.ContentDisposition);
var fileNameWithEncryptExtension = UploadFileHelper.GetFileNameWithEncryptExtension(fileName, request.EncryptAlg);
var uploadFileAbsolutePath = UploadFileHelper.GetUploadAbsolutePath(_contentRootPath, fileNameWithEncryptExtension, request.Archive);
await UploadFile(streamedFileContent, uploadFileAbsolutePath, request.EncryptAlg);
}
}
section = await reader.ReadNextSectionAsync(cancellationToken);
}
return(ResponseProvider.Ok("Upload file successfully"));
}
public async Task <ResponseModel> Handle(BufferedMultipleFileUploadPhysicalCommand request, CancellationToken cancellationToken)
{
var errorModel = new FormFileErrorModel();
foreach (var formFile in request.Files)
{
var formFileContent =
await FileHelpers
.ProcessFormFile <BufferedMultipleFileUploadPhysical>(
formFile, errorModel, _permittedExtensions,
_defaultFileSizeLimit);
if (errorModel.Errors.Any())
{
return(ResponseProvider.Ok(errorModel));
}
// For the file name of the uploaded file stored
// server-side, use Path.GetRandomFileName to generate a safe
// random file name.
var filePath = UploadFileHelper.GetUploadAbsolutePath(_contentRootPath, formFile.FileName, request.Archive);
//var trustedFileNameForFileStorage = Path.GetRandomFileName();
//var filePath = Path.Combine(
// _targetFilePath, trustedFileNameForFileStorage);
// **WARNING!**
// In the following example, the file is saved without
// scanning the file's contents. In most production
// scenarios, an anti-virus/anti-malware scanner API
// is used on the file before making the file available
// for download or for use by other systems.
// For more information, see the topic that accompanies
// this sample.
using (var fileStream = File.Create(filePath))
{
await fileStream.WriteAsync(formFileContent, cancellationToken);
// To work directly with the FormFiles, use the following
// instead:
//await formFile.CopyToAsync(fileStream);
}
}
return(ResponseProvider.Ok("Upload file successful"));
}
public async Task <ResponseModel> Handle(BufferedSingleFileUploadPhysicalCommand request, CancellationToken cancellationToken)
{
var errorModel = new FormFileErrorModel();
var formFileContent =
await FileHelpers.ProcessFormFile <BufferedSingleFileUploadPhysical>(
request.File, errorModel, _permittedExtensions,
_defaultFileSizeLimit);
if (errorModel.Errors.Any())
{
return(ResponseProvider.Ok(errorModel));
}
var filePath = UploadFileHelper.GetUploadAbsolutePath(_contentRootPath, request.File.FileName, request.Archive);
using (var fileStream = File.Create(filePath))
{
await fileStream.WriteAsync(formFileContent, cancellationToken);
}
return(ResponseProvider.Ok("Upload file successful"));
}
public async Task <ResponseModel <SingleUploadResponse> > Handle(SingleFileUploadPhysicalCommand request, CancellationToken cancellationToken)
{
var swTotalEncrypt = new Stopwatch();
swTotalEncrypt.Start();
var errorModel = new FormFileErrorModel();
var multiPartContentTypeValidation = MultiPartContentTypeValidation(_accessor.HttpContext.Request.ContentType)
.Select(x => x.ErrorMessage)
.ToArray();
if (multiPartContentTypeValidation.Any())
{
return(ResponseProvider.BadRequest <SingleUploadResponse>(multiPartContentTypeValidation));
}
var boundary = MultipartRequestHelper.GetBoundary(
MediaTypeHeaderValue.Parse(_accessor.HttpContext.Request.ContentType),
_defaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, _accessor.HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync(cancellationToken);
while (section != null)
{
var hasContentDispositionHeader =
ContentDispositionHeaderValue.TryParse(
section.ContentDisposition, out var contentDisposition);
if (hasContentDispositionHeader)
{
var hasFileContentDispositionValidation = HasFileContentDispositionValidation(contentDisposition)
.Select(x => x.ErrorMessage)
.ToArray();
if (hasFileContentDispositionValidation.Any())
{
return(ResponseProvider.BadRequest <SingleUploadResponse>(hasFileContentDispositionValidation));
}
else
{
var streamedFileContent = await FileHelpers.ProcessStreamedFile(
section, contentDisposition, errorModel,
_permittedExtensions, _streamFileLimitSize, ValidateExtension.Encrypt);
if (errorModel.Errors.Any())
{
//return ResponseProvider.BadRequest<SingleUploadResponse>(errorModel.Errors);
return(ResponseProvider.Ok(new SingleUploadResponse()));
}
var fileNameWithEncryptExtension = UploadFileHelper.GetFileNameWithEncryptExtension(request.File.FileName, request.EncryptAlg);
var uploadFileAbsolutePath = UploadFileHelper.GetUploadAbsolutePath(_contentRootPath, fileNameWithEncryptExtension, request.Archive);
await UploadFile(streamedFileContent, uploadFileAbsolutePath, request.EncryptAlg);
}
}
section = await reader.ReadNextSectionAsync(cancellationToken);
}
swTotalEncrypt.Stop();
var requestScheme = _accessor.HttpContext.Request.Scheme;
var domain = _accessor.HttpContext.Request.Host.Value;
var url = Path.Combine(requestScheme, domain, "Archive", request.Archive.ToString(), request.File.FileName);
Console.Write($"File length: {request.File.Length / 1024f / 1024f} MB");
Console.WriteLine($"Encrypt time: {swTotalEncrypt.ElapsedMilliseconds}");
return(ResponseProvider.Ok(new SingleUploadResponse {
Url = url
}));
}
