private void parseICQ2003aBody(ICQDataStream strmBody)
{
byte[] baText = strmBody.readBinary();
if (null != baText && baText.Length > 0)
{
Text = Encoding.Default.GetString(baText);
string textUTF8Temp;
string textRTFTemp;
strmBody.parsePossiblyRemainingRTFandUTF8(out textRTFTemp, out textUTF8Temp); // sometimes, textUTF8Temp is plaintext with spaces in between :-(
TextRTF = textRTFTemp; // TextRTF will be null before that operation anyway
if (null != textUTF8Temp)
Text = textUTF8Temp;
}
}
private void parseMessagePacket(ICQDataStream streamContent)
{
Text = streamContent.readString();
byte[] messageFlags = streamContent.readFixedBinary(0x0a); // Mostly 0x00, but last two bytes are 0xC8 0x01(?), 0x23 0x02, or 0x19 0x02, or 0x03 0x02
// the first four bytes seem to be ff ff ff ff in case of an SMS
isOutgoing = ((messageFlags[4] & 0x01) == 0x01);
TimeOfMessage = streamContent.readUnixTime();
byte[] zeroes = streamContent.readFixedBinary(0x13);
if (streamContent.Position > streamContent.Length - 8)
return; // not enough to read anymore
if (zeroes.Any(zeroByte => zeroByte != 0x00))
return; // The RTF messages are always zero in these bytes
UInt16 possibleRTFLength = streamContent.readUInt16();
byte[] baPossibleStrangeHeader = streamContent.readFixedBinary(6); // in later versions of ICQ, these prepend the RTF
AfterTextFooterType footerType = parseFooterTypeFromStrangeHeader(possibleRTFLength, baPossibleStrangeHeader);
if (footerType == AfterTextFooterType.NoFooterBeforeRTF || footerType == AfterTextFooterType.SMSText)
streamContent.Seek(-8, SeekOrigin.Current); // seek back the 8 bytes for the header
//else if ()
// streamContent.Seek(-6, SeekOrigin.Current); // Only an UTF-8 text will be provided
else if (footerType == AfterTextFooterType.NoFooterAtAll)
return;
//else
//{
// UInt32 nextStrangeNumber = streamContent.readUInt32();
// if (0x00c0c0c0 != (0xFFc0c0c0 & nextStrangeNumber))
// return;
// // if the two strange numbers are there... just go on and parse the RTF :-)
//}
try
{
string textUTF8Temp;
string textRTFTemp;
streamContent.parsePossiblyRemainingRTFandUTF8(out textRTFTemp, out textUTF8Temp);
TextRTF = textRTFTemp; // TextRTF will be null before that operation anyway
if (null != textUTF8Temp)
Text = textUTF8Temp;
}
catch (Exception ex)
{
throw new InvalidDataException("Parsed message text \"" + Text + "\" after which a footer of type "
+ footerType.ToString() + " was detected, but there was a problem parsing the RTF/UTF-8 footer.", ex);
}
// byte[] tail = streamContent.readFixedBinary(0x08); // zeroes for incoming messages, E4 04 00 00 00 80 80 00 for outgoing
}