public HTTPHeaderData(EHTTPVersion httpVersion, EHTTPResponse httpResponseCode)
{
HTTPVersion = httpVersion;
HTTPResponseCode = httpResponseCode;
InvalidHeader = false;
}
public HTTPHeaderData(string headerString)
{
InvalidHeader = true;
int doubleCRLFIndex = headerString.IndexOf("\r\n\r\n");
if (doubleCRLFIndex >= 0)
headerString = headerString.Substring(0, doubleCRLFIndex);
string[] headerRows = headerString.Split(new string[] { "\r\n" }, StringSplitOptions.None);
if (headerRows[0].EndsWith("HTTP/1.1"))
HTTPVersion = EHTTPVersion.HTTP11;
else if (headerRows[0].EndsWith("HTTP/1.0"))
HTTPVersion = EHTTPVersion.HTTP11;
else
HTTPVersion = EHTTPVersion.HTTP09;
int spaceIndex = headerRows[0].IndexOf(' ');
if (spaceIndex < 3 || spaceIndex > 7)
return;
string method = headerRows[0].Substring(0, spaceIndex);
switch(method)
{
case "GET": HTTPMethod = EHTTPMethod.GET; break;
case "POST": HTTPMethod = EHTTPMethod.POST; break;
case "PUT": HTTPMethod = EHTTPMethod.PUT; break;
case "DELETE": HTTPMethod = EHTTPMethod.DELETE; break;
case "HEAD": HTTPMethod = EHTTPMethod.HEAD; break;
case "OPTIONS": HTTPMethod = EHTTPMethod.OPTIONS; break;
case "CONNECT": HTTPMethod = EHTTPMethod.CONNECT; break;
default: return; //Invalid
}
requestedResource = headerRows[0].Substring(headerRows[0].IndexOf(' ') + 1);
requestedResource = requestedResource.Substring(0, requestedResource.IndexOfAny(new char[] { ' ', '\r' }));
for (int i = 1; i < headerRows.Length; i++)
{
if (headerRows[i] == "")
break;
string field = headerRows[i].Substring(0, headerRows[i].IndexOf(':'));
string value = headerRows[i].Substring(headerRows[i].IndexOf(':') + 1).TrimStart(null);
//Check for a malformed field
headerData.Add(field, value);
}
InvalidHeader = false;
}
public HTTPHeaderData(string headerString)
{
InvalidHeader = true;
int doubleCRLFIndex = headerString.IndexOf("\r\n\r\n");
if (doubleCRLFIndex >= 0)
{
headerString = headerString.Substring(0, doubleCRLFIndex);
}
string[] headerRows = headerString.Split(new string[] { "\r\n" }, StringSplitOptions.None);
if (headerRows[0].EndsWith("HTTP/1.1"))
{
HTTPVersion = EHTTPVersion.HTTP11;
}
else if (headerRows[0].EndsWith("HTTP/1.0"))
{
HTTPVersion = EHTTPVersion.HTTP11;
}
else
{
HTTPVersion = EHTTPVersion.HTTP09;
}
int spaceIndex = headerRows[0].IndexOf(' ');
if (spaceIndex < 3 || spaceIndex > 7)
{
return;
}
string method = headerRows[0].Substring(0, spaceIndex);
switch (method)
{
case "GET": HTTPMethod = EHTTPMethod.GET; break;
case "POST": HTTPMethod = EHTTPMethod.POST; break;
case "PUT": HTTPMethod = EHTTPMethod.PUT; break;
case "DELETE": HTTPMethod = EHTTPMethod.DELETE; break;
case "HEAD": HTTPMethod = EHTTPMethod.HEAD; break;
case "OPTIONS": HTTPMethod = EHTTPMethod.OPTIONS; break;
case "CONNECT": HTTPMethod = EHTTPMethod.CONNECT; break;
default: return; //Invalid
}
requestedResource = headerRows[0].Substring(headerRows[0].IndexOf(' ') + 1);
requestedResource = requestedResource.Substring(0, requestedResource.IndexOfAny(new char[] { ' ', '\r' }));
for (int i = 1; i < headerRows.Length; i++)
{
if (headerRows[i] == "")
{
break;
}
string field = headerRows[i].Substring(0, headerRows[i].IndexOf(':'));
string value = headerRows[i].Substring(headerRows[i].IndexOf(':') + 1).TrimStart(null);
//Check for a malformed field
headerData.Add(field, value);
}
InvalidHeader = false;
}
public HTTPHeaderData(EHTTPVersion httpVersion, EHTTPResponse httpResponseCode)
{
HTTPVersion = httpVersion;
HTTPResponseCode = httpResponseCode;
InvalidHeader = false;
}
public HTTPResponse(EHTTPVersion httpVersion, EHTTPResponse httpResponse)
{
Header = new HTTPHeaderData(httpVersion, httpResponse);
}
public HTTPResponse(EHTTPVersion httpVersion, EHTTPResponse httpResponse)
{
Header = new HTTPHeaderData(httpVersion, httpResponse);
}
private static void HandleClient(TcpClient client)
{
NetworkStream stream = client.GetStream();
bool closingConnection = false;
EHTTPVersion lastHTTPVersion = EHTTPVersion.HTTP10;
LogManager.Log(client, "Opening connection - Thread Started");
Stopwatch timeSinceLastRequest = new Stopwatch();
while (!closingConnection)
{
timeSinceLastRequest.Restart();
while (client.Connected && client.Available == 0)
{
if (timeSinceLastRequest.ElapsedMilliseconds > ConnectionTTL)
{
closingConnection = true;
break;
}
}
if (closingConnection || !client.Connected)
{
break;
}
MemoryStream ms = new MemoryStream();
while (client.Available > 0)
{
byte[] pdata = new byte[client.Available];
stream.Read(pdata, 0, pdata.Length);
ms.Write(pdata, 0, pdata.Length);
}
byte[] requestData = ms.ToArray();
//Hand data to plugins if necessary
//HTTP parse
string request = Encoding.ASCII.GetString(requestData, 0, requestData.Length);
HTTPHeaderData requestHeader = new HTTPHeaderData(request);
if (requestHeader.InvalidHeader)
{
//Maybe it's SSL? Can't handle that
LogManager.Error(client, "Recieved SSL - Cannot Handle (Yet)");
HTTPResponse sslErrorResponse = SimpleResponseManager.PrepareSimpleResponse(EHTTPResponse.R501_NotImplemented, null);
sslErrorResponse.WriteToStream(stream, requestHeader, true);
break;
}
if (!requestHeader.HasHeaderField("Connection") || !requestHeader.GetHeaderField("Connection").Contains("keep-alive"))
{
closingConnection = true;
}
lastHTTPVersion = requestHeader.HTTPVersion;
//TODO: Plugin parse headers
string requestLogStr = "Requested " + (requestHeader.HasHeaderField("Host") ? requestHeader.GetHeaderField("Host") : "") + requestHeader.GetRequestedResource();
VirtualHost vhost = VirtualHostManager.GetVirtualHost(requestHeader.GetHeaderField("Host"));
HTTPResponse response = null;
if (vhost == null)
{
response = SimpleResponseManager.PrepareSimpleResponse(EHTTPResponse.R404_NotFound, requestHeader);
requestLogStr += " - 404";
}
else
{
string resourceLoc = vhost.GetFinalResourceLocation(requestHeader);
string clientETag = HTTPResponse.MakeETag(resourceLoc);
string IFNONEMATCH = requestHeader.GetHeaderField("If-None-Match");
bool TEST = clientETag == IFNONEMATCH;
if (clientETag != null && (
(requestHeader.HasHeaderField("If-Modified-Since") && vhost.HasBeenModifiedSince(resourceLoc, DateTime.Parse(requestHeader.GetHeaderField("If-Modified-Since")))) ||
(requestHeader.HasHeaderField("If-None-Match") && requestHeader.GetHeaderField("If-None-Match") == clientETag)
))
{
response = SimpleResponseManager.PrepareSimpleResponse(EHTTPResponse.R304_NotModified, requestHeader);
requestLogStr += " - 304";
}
else
{
response = vhost.GetResource(requestHeader);
}
}
if (response == null)
{
response = SimpleResponseManager.PrepareSimpleResponse(EHTTPResponse.R500_InternalServerError, requestHeader);
requestLogStr += " - 500";
}
LogManager.Log(client, requestLogStr);
response.WriteToStream(stream, requestHeader, closingConnection);
}
LogManager.Log(client, "Closing connection");
client.Close();
}
