public static CustomHttpRequest Parse(string str)
{
string[] stringLines = str.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
CustomHttpRequest request = new CustomHttpRequest();
string body = "";
bool foundStartLine = false;
bool foundBody = false;
for (int i = 0; i < stringLines.Length; i++)
{
string line = stringLines[i];
if (!foundBody)
{
if (line.Length < 0 && line.Trim().Length > 0)
{
throw new System.Web.HttpException(400, "Bad Request");
}
//If we haven't found the start line
if (!foundStartLine && line.Length < 1)
{
continue;
}
//If this is the start line
else if (!foundStartLine)
{
string[] startLineParts = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (startLineParts.Length < 2)
{
throw new System.Web.HttpException(400, "Bad Request");
}
request._method = startLineParts[0];
request._requestTarget = new Uri(new Uri("http://localhost"), startLineParts[1]);
if (startLineParts.Length > 2)
{
request._httpVersion = startLineParts[2];
}
foundStartLine = true;
}
//If this is the separator between the header and the body
else if (line.Length < 1)
{
foundBody = true;
continue;
}
//This is a header field
else
{
int semicolonPosition = line.IndexOf(':');
if (semicolonPosition == -1)
{
throw new System.Web.HttpException(400, "Bad Request");
}
string key = line.Substring(0, semicolonPosition);
if (key.Contains(" "))
{
throw new System.Web.HttpException(400, "Bad Request");
}
string value = line.Substring(semicolonPosition + 1).Trim();
if (request._headers[key] == null)
{
request._headers.Add(key, value);
}
else
{
request._headers[key] += "," + value;
}
}
}
else if (foundBody)
{
body += "\r\n" + line;
}
}
request._body = body;
//Parse POST request if needed
if (request.Method.ToLower() == "post")
{
request._postData = new Dictionary <string, string>();
if (request.Body.Trim().Length > 0)
{
string rawData = request.Body.Trim();
string[] rawParts = rawData.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string rawPart in rawParts)
{
string part = rawPart.Trim();
int equalsIndex = part.IndexOf('=');
string key = null;
string value = null;
if (equalsIndex < 0)
{
continue;
}
else
{
key = part.Substring(0, equalsIndex);
if (part.Length > equalsIndex + 1)
{
value = part.Substring(equalsIndex + 1);
value = System.Web.HttpUtility.UrlDecode(value);
}
else
{
value = string.Empty;
}
}
if (!request._postData.ContainsKey(key))
{
request._postData.Add(key, value);
}
}
}
}
//Parse cookies if needed
if (request.Headers["Cookie"] != null)
{
string[] cookies = request.Headers["Cookie"].Split(new char[] { ';' });
foreach (string cookie in cookies)
{
string trimmedCookie = cookie.Trim();
int equalsPosition = trimmedCookie.IndexOf('=');
if (equalsPosition == -1)
{
continue;
}
string key = trimmedCookie.Substring(0, equalsPosition).Trim();
string value = trimmedCookie.Substring(equalsPosition + 1).Trim();
request._cookies.Add(key, value);
}
}
return(request);
}
protected void handleClient(TcpClient client)
{
NetworkStream stream = client.GetStream();
try
{
byte[] data = new byte[client.ReceiveBufferSize];
int numBytesRead = stream.Read(data, 0, client.ReceiveBufferSize);
string requestString = new UTF8Encoding().GetString(data, 0, numBytesRead);
CustomHttpRequest httpRequest = CustomHttpRequest.Parse(requestString);
WebServerRequest webServerRequest = new WebServerRequest();
webServerRequest.Cookies = httpRequest.Cookies;
webServerRequest.Body = httpRequest.Body;
webServerRequest.Path = httpRequest.RequestTarget.LocalPath;
//Parse additional data
Dictionary <string, List <string> > queryParts = ParseQuery(httpRequest.RequestTarget.Query);
object additionalData = null;
if (httpRequest.Method == "POST")
{
if (httpRequest.PostData.ContainsKey(dataKey))
{
additionalData = httpRequest.PostData[dataKey];
}
else
{
additionalData = httpRequest.PostData;
}
}
else
{
if (queryParts.ContainsKey(dataKey) && queryParts[dataKey].Count > 0)
{
additionalData = queryParts[dataKey].First();
}
}
webServerRequest.Data = additionalData;
CustomHttpResponse response = new CustomHttpResponse(generateResponse(webServerRequest));
response.ToStream(stream);
}
catch (System.Web.HttpException ex)
{
new CustomHttpResponse(ex).ToStream(stream);
}
catch
{
if (client.Connected)
{
try
{
CustomHttpResponse response = new CustomHttpResponse();
response.StatusCode = "500 Internal Server Error";
response.ToStream(stream);
}
catch { }
}
}
client.Close();
}
