public byte[] GenerateC2SRequest()
{
string lHost = mUri.DnsSafeHost;
//string lPath = mUri.PathAndQuery;
string lPath = mUri.AbsolutePath + "?" + mUri.Query;
mOrigin = "http://" + lHost;
if ("".Equals(lPath))
{
lPath = "/";
}
string lHandshake =
"GET " + lPath + " HTTP/1.1 \r\n"
+ "Host: " + lHost + "\r\n"
+ "Upgrade: WebSocket\r\n"
+ "Connection: Upgrade\r\n"
+ "Sec-WebSocket-Key: " + mHybiKey + "\r\n"
+ "Origin: " + mOrigin + "\r\n"
+ "Sec-WebSocket-Protocol: " + mProtocol + "\r\n"
+ "Sec-WebSocket-Version: " + mVersion + "\r\n";
return(WebSocketConvert.StringToBytes(lHandshake, WebSocketTypeEncoding.UTF8));
}
private static string CalcHybiSecKeyAccept(string aKey)
{
aKey = aKey + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
string lAccept = null;
//SHA1 lSHA1 = new SHA1CryptoServiceProvider();
var sha1 = new SHA1Managed();
byte[] lBufSource = WebSocketConvert.StringToBytes(aKey, WebSocketTypeEncoding.UTF8);
try
{
//byte[] lBufTarget = lSHA1.ComputeHash(lBufSource);
byte[] lBufTarget = sha1.ComputeHash(lBufSource);
lAccept = Convert.ToBase64String(lBufTarget);
}
catch (Exception lEx)
{
throw new WebSocketException("Error converting to Base64" + lEx.Message);
}
return(lAccept);
}
public void ReadResponseFromBuffer(byte[] aBuff)
{
int lHeaderComplete = 0;
int lLines = 0;
int lSizeBuff = aBuff.Length;
byte lRT = 0;
byte lNL = 0;
byte[] lBuff = new byte[0];
while (lHeaderComplete < lSizeBuff)
{
lRT = lNL;
lNL = aBuff[lHeaderComplete];
if (lRT.Equals(0x0D) && lNL.Equals(0x0A))
{
string lLine = WebSocketConvert.BytesToString(lBuff, WebSocketTypeEncoding.UTF8);
if (lLines > 0)
{
char[] c = { ':' };
string[] lKeyVal = lLine.Split(c);
if (lKeyVal.Count() == 2)
{
mResponseFields.Add(lKeyVal[0].Trim(), lKeyVal[1].Trim());
}
}
else
{
mFirstLineResponse = lLine;
}
lBuff = new byte[0];
lLines++;
}
else if (!lNL.Equals(0x0A) && !lNL.Equals(0x0D))
{
Write(ref lBuff, lNL);
}
lHeaderComplete++;
}
}
public void SetASCII(string aString)
{
mByteArray = WebSocketConvert.StringToBytes(aString, WebSocketTypeEncoding.ASCII);
}
public string GetASCII()
{
return(WebSocketConvert.BytesToString(mByteArray, WebSocketTypeEncoding.ASCII));
}
public string GetUTF8()
{
return(WebSocketConvert.BytesToString(mByteArray, WebSocketTypeEncoding.UTF8));
}
public string GetString(WebSocketTypeEncoding aEncoding)
{
return(WebSocketConvert.BytesToString(mByteArray, aEncoding));
}
public string GetString()
{
return(WebSocketConvert.BytesToString(mByteArray, WebSocketTypeEncoding.Default));
}
public void SetUTF8(string aString)
{
mByteArray = WebSocketConvert.StringToBytes(aString, WebSocketTypeEncoding.UTF8);
}
public void SetString(string aString, WebSocketTypeEncoding aEncoding)
{
mByteArray = WebSocketConvert.StringToBytes(aString, aEncoding);
}