public async Task <Stream> Create(File file, FileUploadedDelegate onUploaded = null, bool discardEncryption = false)
{
if (!(await _cloud.GetItemAsync(file.Path, MailRuCloud.ItemType.Folder) is Folder folder))
{
throw new DirectoryNotFoundException(file.Path);
}
Stream stream;
bool cryptRequired = _cloud.IsFileExists(CryptFileInfo.FileName, WebDavPath.GetParents(folder.FullPath).ToList()).Any();
if (cryptRequired && !discardEncryption)
{
if (!_cloud.Account.Credentials.CanCrypt)
{
throw new Exception($"Cannot upload {file.FullPath} to crypt folder without additional password!");
}
// #142 remove crypted file parts if size changed
var remoteFile = folder.Files.FirstOrDefault(f => f.FullPath == file.FullPath);
if (remoteFile != null)
{
await _cloud.Remove(remoteFile);
}
stream = GetCryptoStream(file, onUploaded);
}
else
{
stream = GetPlainStream(file, onUploaded);
}
return(stream);
}
/// <summary>
/// Убрать все привязки на мёртвые ссылки
/// </summary>
/// <param name="doWriteHistory"></param>
public async Task <int> RemoveDeadLinks(bool doWriteHistory)
{
var removes = _itemList.Items
.AsParallel()
.WithDegreeOfParallelism(5)
.Select(it => GetItemLink(WebDavPath.Combine(it.MapTo, it.Name)).Result)
.Where(itl =>
itl.IsBad ||
_cloud.GetItemAsync(itl.MapPath, MailRuCloud.ItemType.Folder, false).Result == null)
.ToList();
if (removes.Count == 0)
{
return(0);
}
_itemList.Items.RemoveAll(it => removes.Any(rem => WebDavPath.PathEquals(rem.MapPath, it.MapTo) && rem.Name == it.Name));
if (removes.Any())
{
if (doWriteHistory)
{
foreach (var link in removes)
{
_itemCache.Invalidate(link.FullPath, link.MapPath);
}
string path = WebDavPath.Combine(WebDavPath.Root, HistoryContainerName);
string res = await _cloud.DownloadFileAsString(path);
var history = new StringBuilder(res ?? string.Empty);
foreach (var link in removes)
{
history.Append($"{DateTime.Now} REMOVE: {link.Href} {link.Name}\r\n");
}
_cloud.UploadFile(path, history.ToString());
}
Save();
return(removes.Count);
}
return(0);
}