/// <summary>
/// Processes the inner TLV list in TLV 0x0005 and returns a new DirectConnection
/// </summary>
private DirectConnection ProcessChannel2Tlv05(ByteStream stream, UserInfo ui, DataPacket dp)
{
byte[] invitemessage;
Encoding encoding = Encoding.ASCII;
string language = "en";
DirectConnection directconn = null;
// Pull the type, cookie, and capability array
RendezvousType rtype = RendezvousData.TypeFromUshort(stream.ReadUshort());
Cookie cookie = Cookie.GetReceivedCookie(stream.ReadByteArray(8));
byte[] capabilitiesArray = stream.ReadByteArray(16);
Capabilities capabilities = CapabilityProcessor.ProcessCLSIDList(capabilitiesArray);
// Create the correct type of connection based on the capability
if (capabilities == Capabilities.SendFiles)
{
if ((directconn = parent.Connections.GetDirectConnectionByCookie(cookie)) == null)
{
directconn = parent.Connections.CreateNewFileTransferConnection(
DirectConnectionMethod.Direct, DirectConnectRole.Receiver);
}
}
else if (capabilities == Capabilities.DirectIM)
{
if ((directconn = parent.Connections.GetDirectConnectionByCookie(cookie)) == null)
{
directconn = parent.Connections.CreateNewDirectIMConnection(
DirectConnectionMethod.Direct, DirectConnectRole.Receiver);
}
}
else if (capabilities == Capabilities.Chat)
{
directconn = parent.Connections.CreateNewChatInvitationConnection(DirectConnectRole.Receiver);
}
else
{
// Currently unsupported
parent.OnWarning(ServerErrorCode.UnknownRendezvousChannel, dp);
return null;
}
directconn.Other = ui;
directconn.Cookie = cookie;
directconn.Type = rtype;
ByteStream serviceData = null;
Encoding serviceDataEncoding = Encoding.ASCII;
// Process the inner TLV list
using (TlvBlock tlvs = new TlvBlock(stream.ReadByteArrayToEnd()))
{
directconn.AOLProxyIP = tlvs.ReadIPAddress(DC_PROXY_IP_ADDRESS); // proxy ip
directconn.ClientIP = tlvs.ReadIPAddress(DC_CLIENT_IP_ADDRESS); // internal ip
directconn.VerifiedIP = tlvs.ReadIPAddress(0x0004); // external ip
directconn.Port = tlvs.ReadUshort(DC_PORT);
directconn.Sequence = RendezvousData.SequenceFromUshort(tlvs.ReadUshort(DC_SEQUENCE_NUMBER));
invitemessage = tlvs.ReadByteArray(DC_MESSAGE);
if (tlvs.HasTlv(0x000D))
{
encoding = Encoding.GetEncoding(tlvs.ReadString(0x000D, Encoding.ASCII));
}
language = tlvs.ReadString(0x000E, Encoding.ASCII);
directconn.Method = (tlvs.HasTlv(DC_USE_PROXY_FLAG))
?
DirectConnectionMethod.Proxied
: DirectConnectionMethod.Direct;
serviceData = new ByteStream(tlvs.ReadByteArray(0x2711));
if (tlvs.HasTlv(0x2712))
{
serviceDataEncoding = Encoding.GetEncoding(tlvs.ReadString(0x2712, Encoding.ASCII));
}
}
if (invitemessage != null)
{
directconn.Message = encoding.GetString(invitemessage, 0, invitemessage.Length);
}
// Process the extra data, if necessary
if (directconn is FileTransferConnection || directconn is DirectIMConnection)
{
ProcessDirectConnectionRequest(directconn, serviceData);
}
else if (directconn is ChatInvitationConnection)
{
ChatInvitationConnection cic = directconn as ChatInvitationConnection;
cic.ChatInvite = new ChatInvitation();
cic.ChatInvite.Message = directconn.Message;
cic.ChatInvite.Encoding = encoding;
cic.ChatInvite.Language = language;
ProcessChatInvitationRequest(cic, serviceData);
}
return directconn;
}
