public FileStreamResult Preview(
FileNode target,
Guid key) {
if (!PreviewKeyCheck.Check(target.Id, key)) {
throw new AuthorizeException("錯誤的Key，請確認該Key未過期且尚未使用過");
}
return File(target.GetFileStream(), target.ContentType, $"{target.Name}.{target.Ext}");
}
public FileStreamResult Download(FileNode target) {
if (!target.HasReadAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目標");
}
target.Download++;
Database.SaveChanges();
if (target.IsFile) {
return File(target.GetFileStream(), target.ContentType, target.FullName);
} else {
var FilePath = target.GetAndCreateDirZipFileRealPath(User, Database);
Response.OnCompleted(async (filePath) => {
System.IO.File.Delete((string)filePath);
},FilePath);
return File(
new FileStream(FilePath, FileMode.Open),
"application/zip",
$"{target.Name}.zip");
}
}