public void TestToxHash()
{
byte[] data = new byte[0xBEEF];
new Random().NextBytes(data);
byte[] hash = ToxTools.Hash(data);
}
public bool SetVideoBitrate(int friendNumber, int bitrate, out ToxAvErrorSetBitrate error)
{
ThrowIfDisposed();
error = ToxAvErrorSetBitrate.Ok;
return(ToxAvFunctions.BitrateSet(_toxAv, ToxTools.Map(friendNumber), -1, bitrate, ref error));
}
public bool SendAudioFrame(int friendNumber, ToxAvAudioFrame frame, out ToxAvErrorSendFrame error)
{
ThrowIfDisposed();
error = ToxAvErrorSendFrame.Ok;
return(ToxAvFunctions.AudioSendFrame(_toxAv, ToxTools.Map(friendNumber), frame.Data, (uint)(frame.Data.Length / frame.Channels), (byte)frame.Channels, (uint)frame.SamplingRate, ref error));
}
public bool Answer(int friendNumber, int audioBitrate, int videoBitrate, out ToxAvErrorAnswer error)
{
ThrowIfDisposed();
error = ToxAvErrorAnswer.Ok;
return(ToxAvFunctions.Answer(_toxAv, ToxTools.Map(friendNumber), (uint)audioBitrate, (uint)videoBitrate, ref error));
}
public bool SendControl(int friendNumber, ToxAvCallControl control, out ToxAvErrorCallControl error)
{
ThrowIfDisposed();
error = ToxAvErrorCallControl.Ok;
return(ToxAvFunctions.CallControl(_toxAv, ToxTools.Map(friendNumber), control, ref error));
}
private byte[] GetAvatarHash(Stream stream)
{
var buffer = new byte[stream.Length];
stream.Read(buffer, 0, (int)stream.Length);
return(ToxTools.Hash(buffer));
}
public bool SendVideoFrame(int friendNumber, ToxAvVideoFrame frame, out ToxAvErrorSendFrame error)
{
ThrowIfDisposed();
error = ToxAvErrorSendFrame.Ok;
return(ToxAvFunctions.VideoSendFrame(_toxAv, ToxTools.Map(friendNumber), (ushort)frame.Width, (ushort)frame.Height, frame.Y, frame.U, frame.V, ref error));
}
/// <summary>
/// Initializes a new instance of tox dns3.
/// </summary>
/// <param name="publicKey"></param>
public ToxDns(string publicKey)
{
_toxDns3 = ToxDnsFunctions.New(ToxTools.StringToHexBin(publicKey));
if (_toxDns3 == null || _toxDns3.IsInvalid)
{
throw new Exception("Could not create a new tox_dns3 instance with the provided public_key");
}
}
public bool HashMatches(int friendNumber, byte[] hash)
{
byte[] avatar = GetAvatar(friendNumber);
if (avatar == null)
{
return(false);
}
return(ToxTools.Hash(avatar).SequenceEqual(hash));
}
/// <summary>
/// Decodes and decrypts the dns3 string returned by <see cref="GenerateDns3String"/>.
/// </summary>
/// <param name="dns3String">String to decrypt.</param>
/// <param name="requestId">The request id retrieved with GenerateDns3String.</param>
/// <returns></returns>
public string DecryptDns3TXT(string dns3String, int requestId)
{
ThrowIfDisposed();
byte[] id = new byte[ToxConstants.AddressSize];
byte[] idRecordBytes = Encoding.UTF8.GetBytes(dns3String);
int result = ToxDnsFunctions.DecryptDns3TXT(_toxDns3, id, idRecordBytes, (uint)idRecordBytes.Length, ToxTools.Map(requestId));
if (result == 0)
{
return(ToxTools.HexBinToString(id));
}
else
{
throw new Exception("Could not decrypt and decode id_record");
}
}
/// <summary>
/// Generates a dns3 string used to query the dns server.
/// </summary>
/// <param name="name">Name of the registered user.</param>
/// <param name="requestId">The request id, to be used when calling DecryptDns3TXT.</param>
/// <returns></returns>
public string GenerateDns3String(string name, out int requestId)
{
ThrowIfDisposed();
byte[] bytes = Encoding.UTF8.GetBytes(name);
byte[] result = new byte[1024];
uint id = new uint();
int length = ToxDnsFunctions.GenerateDns3String(_toxDns3, result, (ushort)result.Length, ref id, bytes, (byte)bytes.Length);
requestId = ToxTools.Map(id);
if (length != -1)
{
return(Encoding.UTF8.GetString(result, 0, length));
}
else
{
throw new Exception("Failed to generate a dns3 string");
}
}
/// <summary>
/// Decodes and decrypts the dns3 string returned by <see cref="GenerateDns3String"/>.
/// </summary>
/// <param name="dns3String"></param>
/// <param name="requestId"></param>
/// <returns></returns>
public string DecryptDns3TXT(string dns3String, uint requestId)
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
byte[] id = new byte[32 + sizeof(uint) + sizeof(ushort)];
byte[] idRecordBytes = Encoding.UTF8.GetBytes(dns3String);
int result = ToxDnsFunctions.DecryptDns3TXT(_toxDns3, id, idRecordBytes, (uint)idRecordBytes.Length, (uint)requestId);
if (result == 0)
{
return(ToxTools.HexBinToString(id));
}
else
{
throw new Exception("Could not decrypt and decode id_record");
}
}
public void StringToHexBin_Result_AreEqual(string input, byte[] expected)
{
var result = ToxTools.StringToHexBin(input);
Assert.AreEqual(expected, result);
}
private void RegisterAudioVideoCallbacks()
{
_onReceiveAudioFrameCallback = (IntPtr toxAv, uint friendNumber, IntPtr pcm, uint sampleCount, byte channels, uint samplingRate, IntPtr userData) =>
{
if (OnAudioFrameReceived != null)
{
OnAudioFrameReceived(this, new ToxAvEventArgs.AudioFrameEventArgs(ToxTools.Map(friendNumber), new ToxAvAudioFrame(pcm, sampleCount, samplingRate, channels)));
}
};
_onReceiveVideoFrameCallback = (IntPtr toxAv, uint friendNumber, ushort width, ushort height, IntPtr y, IntPtr u, IntPtr v, int yStride, int uStride, int vStride, IntPtr userData) =>
{
if (OnVideoFrameReceived != null)
{
OnVideoFrameReceived(this, new ToxAvEventArgs.VideoFrameEventArgs(ToxTools.Map(friendNumber), new ToxAvVideoFrame(width, height, y, u, v, yStride, uStride, vStride)));
}
};
ToxAvFunctions.RegisterAudioReceiveFrameCallback(_toxAv, _onReceiveAudioFrameCallback, IntPtr.Zero);
ToxAvFunctions.RegisterVideoReceiveFrameCallback(_toxAv, _onReceiveVideoFrameCallback, IntPtr.Zero);
}
public void ValidHexString_Input_IsFalse(string hexString)
{
var result = ToxTools.ValidHexString(hexString);
Assert.IsFalse(result);
}
public void IsValid_ValidIdString_IsTrue()
{
var result = ToxId.IsValid(ToxTools.HexBinToString(this.validTestId));
Assert.IsTrue(result);
}
public void SendAvatar(int friendNumber, byte[] avatar)
{
//cancel any existing avatar file transfers with this friend first
for (int i = _transfers.Count() - 1; i >= 0; i--)
{
//reverse loop to be able to delete entries while iterating through them, fun stuff
var entry = _transfers.ElementAt(i);
if (entry.Key.FriendNumber == friendNumber && entry.Key.Direction == FileTransferDirection.Outgoing)
{
CancelTransfer(entry.Key);
}
}
var error = ToxErrorFileSend.Ok;
ToxFileInfo fileInfo;
if (avatar != null)
{
fileInfo = _tox.FileSend(friendNumber, ToxFileKind.Avatar, avatar.Length, "avatar.png", ToxTools.Hash(avatar), out error);
}
else
{
fileInfo = _tox.FileSend(friendNumber, ToxFileKind.Avatar, 0, "avatar.png");
}
if (error != ToxErrorFileSend.Ok)
{
Debugging.Write("Could not send file transfer request: " + error.ToString());
return;
}
//no point in adding a 'dummy' transfer to our list
if (avatar == null)
{
return;
}
var tr = new FileTransfer(fileInfo.Number, friendNumber, ToxFileKind.Avatar, FileTransferDirection.Outgoing);
if (!_transfers.ContainsKey(tr))
{
_transfers.Add(tr, new MemoryStream(avatar));
}
else
{
Debugging.Write("Tried to add a filetransfer that's already in the list, panic!");
}
}
/// <summary>
/// Retrieves a string of the tox key.
/// </summary>
/// <returns></returns>
public string GetString()
{
return(ToxTools.HexBinToString(key));
}
/// <summary>
/// Initializes a new instance of the <see cref="ToxKey"/> class
/// </summary>
/// <param name="type"></param>
/// <param name="key"></param>
public ToxKey(ToxKeyType type, string key)
{
KeyType = type;
this.key = ToxTools.StringToHexBin(key);
}
public void HexBinToString_Result_AreEqual(byte[] input, string expected)
{
var result = ToxTools.HexBinToString(input);
Assert.AreEqual(expected, result);
}
public void Constructor_InvalidChecksumString_ArgumentException()
{
Assert.Throws <ArgumentException>(() => new ToxId(ToxTools.HexBinToString(this.invalidTestId)));
}
