/// <summary>
/// Reads the error code and subcode from a SNAC(XX,01) packet
/// </summary>
/// <param name="dp">A <see cref="DataPacket"/> object containing SNAC(XX,01)</param>
/// <param name="errorCode">The main error code contained in the SNAC</param>
/// <param name="subCode">The subcode contained in the SNAC, or 0 if there is no subcode present</param>
public static void GetSNACErrorCodes(DataPacket dp, out ushort errorCode, out ushort subCode)
{
errorCode = dp.Data.ReadUshort();
subCode = 0;
if (dp.Data.HasMoreData)
{
using (TlvBlock tlvs = dp.Data.ReadTlvBlockByLength(dp.Data.GetRemainingByteCount()))
{
if (tlvs.HasTlv(0x0008))
{
subCode = tlvs.ReadUshort(0x0008);
}
}
}
}
public void TestChatRoomCreation()
{
ByteStream dataStream = new ByteStream(Data.SNAC_0D_09);
using (TlvBlock tlvs = new TlvBlock(dataStream.ReadByteArrayToEnd()))
{
Assert.IsTrue(tlvs.HasTlv(0x0004), "TLV 0x0004 missing from data stream");
ChatRoom chatRoom = new ChatRoom(new ByteStream(tlvs.ReadByteArray(0x0004)));
Assert.AreEqual(0x0004, chatRoom.Exchange);
Assert.AreEqual("!aol://2719:10-4-chat9614646934270543373", chatRoom.FullName);
Assert.AreEqual(0x0000, chatRoom.Instance);
Assert.AreEqual("Chat 9614646934270543373", chatRoom.DisplayName);
Assert.AreEqual(new DateTime(2007, 8, 5, 20, 9, 21, DateTimeKind.Utc), chatRoom.CreationTime);
}
}
/// <summary>
/// Processes a login response -- SNAC(17,03)
/// </summary>
/// <param name="dp">A <see cref="DataPacket"/> object containing SNAC(17,03)</param>
public static void ProcessLoginResponse(DataPacket dp)
{
// Pull apart SNAC(17,03)
Cookie cookie;
string BOSaddress;
using (TlvBlock tlvs = new TlvBlock(dp.Data.ReadByteArrayToEnd()))
{
if (tlvs.HasTlv(0x0008))
{
ushort errorcode = tlvs.ReadUshort(0x0008);
dp.ParentSession.OnLoginFailed((LoginErrorCode)errorcode);
return;
}
BOSaddress = tlvs.ReadString(0x0005, Encoding.ASCII);
cookie = Cookie.GetReceivedCookie(tlvs.ReadByteArray(0x0006));
}
// Shut down the authorization connection
// Socket shutdown is initiated by the server
dp.ParentSession.OnLoginStatusUpdate("Authorized", 0.33);
dp.ParentConnection.DisconnectFromServer(false);
// Create a new connection to the BOS server
Connection newconn = dp.ParentSession.Connections.CreateNewConnection(0x0001);
string[] bosinfo = BOSaddress.Split(':');
newconn.ServerConnectionCompleted +=
new ServerConnectionCompletedHandler(newconn_ServerConnnectionCompleted);
newconn.Server = bosinfo[0];
newconn.Port = Int32.Parse(bosinfo[1]);
newconn.Cookie = cookie;
newconn.ConnectToServer();
// The connection process continues when the server sends SNAC(01,03)
}
/// <summary>
/// Processes a login response -- SNAC(17,03)
/// </summary>
/// <param name="dp">A <see cref="DataPacket"/> object containing SNAC(17,03)</param>
public static void ProcessLoginResponse(DataPacket dp)
{
// Pull apart SNAC(17,03)
Cookie cookie;
string BOSaddress;
using (TlvBlock tlvs = new TlvBlock(dp.Data.ReadByteArrayToEnd()))
{
if (tlvs.HasTlv(0x0008))
{
ushort errorcode = tlvs.ReadUshort(0x0008);
dp.ParentSession.OnLoginFailed((LoginErrorCode)errorcode);
return;
}
BOSaddress = tlvs.ReadString(0x0005, Encoding.ASCII);
cookie = Cookie.GetReceivedCookie(tlvs.ReadByteArray(0x0006));
}
// Shut down the authorization connection
// Socket shutdown is initiated by the server
dp.ParentSession.OnLoginStatusUpdate("Authorized", 0.33);
dp.ParentConnection.DisconnectFromServer(false);
// Create a new connection to the BOS server
Connection newconn = dp.ParentSession.Connections.CreateNewConnection(0x0001);
string[] bosinfo = BOSaddress.Split(':');
newconn.ServerConnectionCompleted +=
new ServerConnectionCompletedHandler(newconn_ServerConnnectionCompleted);
newconn.Server = bosinfo[0];
newconn.Port = Int32.Parse(bosinfo[1]);
newconn.Cookie = cookie;
newconn.ConnectToServer();
// The connection process continues when the server sends SNAC(01,03)
}
/// <summary>
/// Reads a <see cref="UserInfo"/> from the stream
/// </summary>
public UserInfo ReadUserInfo()
{
UserInfo retval = new UserInfo();
byte screenNameLength = ReadByte();
if (screenNameLength == 0)
{
return(null);
}
retval.ScreenName = ReadString(screenNameLength, Encoding.ASCII);
retval.WarningLevel = ReadUshort();
using (TlvBlock tlvBlock = ReadTlvBlock(ReadUshort()))
{
retval.Class = (UserClass)tlvBlock.ReadUshort(0x0001);
retval.CreateTime = tlvBlock.ReadDateTime(0x0002);
retval.SignonTime = tlvBlock.ReadDateTime(0x0003);
retval.IdleTime = tlvBlock.ReadUshort(0x0004);
if (retval.IdleTime == 0xFFFF)
{
retval.IdleTime = 0;
}
retval.RegisterTime = tlvBlock.ReadDateTime(0x0005);
retval.ICQUserStatus = tlvBlock.ReadUint(0x0006);
retval.ExternalIPAddress = tlvBlock.ReadUint(0x000A);
// Read the DC info from 0x000C
retval.ClientCapabilities = CapabilityProcessor.ProcessCLSIDList(tlvBlock.ReadByteArray(0x000D));
retval.OnlineTime = tlvBlock.ReadUint(0x000F);
if (tlvBlock.HasTlv(0x001D))
{
ReadIconInfo(tlvBlock.ReadByteArray(0x001D), retval);
}
}
return(retval);
}
/// <summary>
/// Processes a login response -- SNAC(17,03)
/// </summary>
/// <param name="dp">A <see cref="DataPacket"/> object containing SNAC(17,03)</param>
internal void ProcessLoginResponse(DataPacket dp)
{
// Pull apart SNAC(17,03)
Cookie cookie;
string BOSaddress;
using (TlvBlock tlvs = new TlvBlock(dp.Data.ReadByteArrayToEnd()))
{
if (tlvs.HasTlv(0x0008))
{
ushort errorcode = tlvs.ReadUshort(0x0008);
parent.OnLoginFailed((LoginErrorCode)errorcode);
return;
}
BOSaddress = tlvs.ReadString(0x0005, Encoding.ASCII);
cookie = Cookie.GetReceivedCookie(tlvs.ReadByteArray(0x0006));
}
// Shut down the authorization connection
// Socket shutdown is initiated by the server
parent.OnLoginStatusUpdate("Authorized", 0.33);
dp.ParentConnection.DisconnectFromServer(false);
// Create a new connection to the BOS server
Connection newconn = parent.Connections.CreateNewConnection(0x0001);
string[] bosinfo = BOSaddress.Split(':');
newconn.ServerConnectionCompleted += delegate(Connection conn) { conn.ReadyForData = true; conn.ReadHeader(); };
newconn.Server = bosinfo[0];
if (bosinfo.Length == 2)
newconn.Port = Int32.Parse(bosinfo[1]);
else
newconn.Port = dp.ParentConnection.Port;
Logging.WriteString("Connect to Server after auth. Address from dp: {0} - Address to connect: {1}:{2}", BOSaddress, newconn.Server, newconn.Port);
newconn.Cookie = cookie;
newconn.ConnectToServer();
// The login process continues when the server sends SNAC(01,03) on the new connection
}
/// <summary>
/// Processes an incoming ICBM message on channel 1 -- SNAC(04,07)
/// </summary>
/// <param name="stream">A received <see cref="ByteStream"/></param>
/// <param name="ui">The UserInfo block that came with this message</param>
private void ProcessChannelOneMessage(ByteStream stream, UserInfo ui)
{
IM message = new IM(ui);
using (TlvBlock tlvs = new TlvBlock(stream.ReadByteArrayToEnd()))
{
message.IsAutoResponse = tlvs.HasTlv(0x0004);
// If this message was received offline, cast it to an OfflineIM
if (tlvs.HasTlv(0x0006))
{
message = new OfflineIM(message);
if (tlvs.HasTlv(0x0016))
{
((OfflineIM)message).ReceivedOn = tlvs.ReadDateTime(0x0016);
}
}
GetChannelOneMessage(new ByteStream(tlvs.ReadByteArray(0x0002)), ref message);
}
// Figure out what to do with it
if (message is OfflineIM)
{
OfflineIM offlineMessage = message as OfflineIM;
if (isRetrievingOfflineMessages)
{
// Queue it for delivery
AcceptIcbmOIM(offlineMessage);
}
else
{
// A single offline message? Okay then
if (OfflineMessagesReceived != null)
{
List<OfflineIM> tmpList = new List<OfflineIM>(1);
tmpList.Add(offlineMessage);
OfflineMessagesReceived(this, new OfflineMessagesReceivedEventArgs(parent.ScreenName,
new Collection<OfflineIM>(tmpList)));
}
}
// Offline messages don't get delivered via OnMessageReceived - if the offline messages event
// isn't hooked up, tough stuff.
return;
}
else
{
OnMessageReceived(message);
}
}
/// <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;
}
