private async void FileSendRequestReceivedHandler(object sender, ToxEventArgs.FileSendRequestEventArgs e)
{
if (e.FileKind != ToxFileKind.Avatar)
{
return;
}
if (e.FileSize == 0) // It means the avatar of the friend is removed.
{
SendCancelControl(e.FriendNumber, e.FileNumber);
_avatarManager.RemoveFriendAvatar(e.FriendNumber);
return;
}
if (await AlreadyHaveAvatar(e.FriendNumber, e.FileNumber))
{
SendCancelControl(e.FriendNumber, e.FileNumber);
return;
}
RemoveAllTranfersOfFriendPerDirection(e.FriendNumber, TransferDirection.Down);
var resumeSent = SendResumeControl(e.FriendNumber, e.FileNumber);
if (resumeSent)
{
var stream = new MemoryStream((int)e.FileSize);
AddTransfer(e.FriendNumber, e.FileNumber, stream, e.FileSize, TransferDirection.Down);
}
}
private void Tox_OnFileSendRequestReceived(object sender, ToxEventArgs.FileSendRequestEventArgs e)
{
if (e.FileKind == ToxFileKind.Avatar)
{
HandleAvatarTransfer(e);
}
}
public IncomingFileTransfer(ToxEventArgs.FileSendRequestEventArgs e, Tox tox, string savepath)
{
Tox = tox;
ViewModel.SavePath = savepath;
ViewModel.ID = e.FileNumber;
ViewModel.Sender = e.FriendNumber;
ViewModel.TotalBytes = e.FileSize;
try
{
FileStream = new FileStream(ViewModel.SavePath, FileMode.Create);
}
catch
{
Dispose();
}
Tox.FileControl(ViewModel.Sender, ViewModel.ID, ToxFileControl.Resume);
Tox.OnFileChunkReceived += Tox_OnFileChunkReceived;
Tox.OnFileControlReceived += Tox_OnFileControlReceived;
OnComplete += (v) => { Dispose(); };
}
private async void FileSendRequestReceivedHandler(object sender,
ToxEventArgs.FileSendRequestEventArgs e)
{
if (e.FileKind != ToxFileKind.Data || e.FriendNumber != _friendNumber)
{
return;
}
var fileId = _toxModel.FileGetId(e.FriendNumber, e.FileNumber);
var resumeData = await _fileTransferResumer.GetDownloadData(fileId);
OneFileTransferModel oneFileTransferModel;
// If we could find the resume data for this download, we resume it instead of handling it as a new transfer.
if (resumeData != null)
{
oneFileTransferModel =
await
OneBrokenFileTransferModel.CreateInstance(_dataService, e.FriendNumber, e.FileNumber,
resumeData.File.Name,
e.FileSize, TransferDirection.Down, resumeData.File, resumeData.TransferredBytes);
}
else
{
// We add a transfer with a null value instead of an actual stream here. We will replace it with an actual file stream
// in OneFileTransferModel.AcceptTransfer() when the user accepts the request and chooses a location to save the file to.
oneFileTransferModel =
await
OneFileTransferModel.CreateInstance(_dataService, e.FriendNumber, e.FileNumber, e.FileName,
e.FileSize,
TransferDirection.Down, null);
}
FileTransferAdded?.Invoke(this, oneFileTransferModel);
}
private void HandleAvatarTransfer(ToxEventArgs.FileSendRequestEventArgs e)
{
var ID = Tox.GetFriendPublicKey(e.FriendNumber).ToString();
string path = Utilities.GetAvatarPath(e.FriendNumber, Tox);
IncomingFileTransfer ft = new IncomingFileTransfer(e, Tox, path);
ft.OnComplete += (vm) =>
{
GetContactViewModelByFriendNumber(e.FriendNumber).Image = path;
};
}
private void FileSendRequestReceivedHandler(object sender, ToxEventArgs.FileSendRequestEventArgs e)
{
FileSendRequestReceived?.Invoke(this, e);
}
private void Tox_OnFileSendRequestReceived(object sender, ToxEventArgs.FileSendRequestEventArgs e)
{
var transfer = new FileTransfer(e.FileNumber, e.FriendNumber, e.FileKind, FileTransferDirection.Incoming);
transfer.Name = e.FileName;
transfer.Size = e.FileSize;
switch (e.FileKind)
{
case ToxFileKind.Avatar:
{
if (e.FileSize == 0)
{
//friend removed avatar, remove it from our store too
ProfileManager.Instance.AvatarManager.RemoveAvatar(e.FriendNumber);
_tox.FileControl(e.FriendNumber, e.FileNumber, ToxFileControl.Cancel);
Debugging.Write("Friend removed avatar");
break;
}
if (e.FileSize > 1 << 16)
{
//we don't like this avatar, it's too big
_tox.FileControl(e.FriendNumber, e.FileNumber, ToxFileControl.Cancel);
Debugging.Write("Avatar too big, ignoring");
break;
}
if (ProfileManager.Instance.AvatarManager.Contains(e.FriendNumber))
{
//compare hashes to see if we already have this avatar
byte[] hash = _tox.FileGetId(e.FriendNumber, e.FileNumber);
if (hash != null && ProfileManager.Instance.AvatarManager.HashMatches(e.FriendNumber, hash))
{
//we already have this avatar, cancel the transfer
_tox.FileControl(e.FriendNumber, e.FileNumber, ToxFileControl.Cancel);
break;
}
}
var error = ToxErrorFileControl.Ok;
if (!_tox.FileControl(e.FriendNumber, e.FileNumber, ToxFileControl.Resume, out error))
{
Debugging.Write("Failed to accept avatar transfer request: " + error);
break;
}
var avatarPath = ProfileManager.Instance.AvatarManager.GetAvatarFilename(e.FriendNumber);
if (avatarPath == null)
{
Debugging.Write("Could not find public key for friend");
break;
}
if (!_transfers.ContainsKey(transfer))
{
//catch any scary exceptions (no access, file already in use and whatnot)
try { _transfers.Add(transfer, new FileStream(avatarPath, FileMode.Create)); }
catch (Exception ex)
{
Debugging.Write("Can't open filestream: " + ex.ToString());
}
}
else
{
Debugging.Write("We already have a transfer with that number!");
}
break;
}
case ToxFileKind.Data:
{
if (!_transfers.ContainsKey(transfer))
{
_transfers.Add(transfer, null);
}
else
{
Debugging.Write("We already have a transfer with that number!");
return;
}
MainWindow.Instance.UInvoke(() =>
{
var friend = MainWindow.Instance.ViewModel.CurrentFriendListView.FindFriend(e.FriendNumber);
if (friend == null)
{
return;
}
(friend.ConversationView as ConversationViewModel).AddTransfer(transfer);
});
break;
}
}
Debugging.Write("New file send request: " + e.FileKind.ToString());
}
private void OnToxFileSendRequestReceived(object sender, ToxEventArgs.FileSendRequestEventArgs e)
{
this.Tox.FileControl(e.FriendNumber, e.FileNumber, ToxFileControl.Cancel);
Logger.Log(LogLevel.Warning, "ToxFileSendRequestReceived not supported, request canceled");
}
private void tox_OnFileSendRequest(object sender, ToxEventArgs.FileSendRequestEventArgs e)
{
_tox.FileSendControl(e.FriendNumber, 1, e.FileNumber, ToxFileControl.Accept, new byte[0]);
}
