private HttpRequest GetRequest(Stream inputStream)
{
string requestLine = StreamUtils.ReadLine(inputStream);
string[] tokens = requestLine.Split(' ');
while (tokens.Length != 3)
{
requestLine = StreamUtils.ReadLine(inputStream);
tokens = requestLine.Split(' ');
}
RequestMethod method = (RequestMethod)Enum.Parse(typeof(RequestMethod), tokens[0].ToUpper());
string url = tokens[1];
string protocolVersion = tokens[2];
Header header = new Header(HeaderType.HttpRequest);
string line;
while ((line = StreamUtils.ReadLine(inputStream)) != null)
{
if (line.Equals(""))
{
break;
}
int separator = line.IndexOf(':');
if (separator == -1)
{
throw new Exception("invalid http header line: " + line);
}
string name = line.Substring(0, separator);
int pos = separator + 1;
while ((pos < line.Length) && (line[pos] == ' '))
{
pos++;
}
string value = line.Substring(pos, line.Length - pos);
if (name == "Cookie")
{
string[] cookieSaves = value.Split(';');
foreach (var cookieSave in cookieSaves)
{
string[] cookiePair = cookieSave.Split('=').Select(x => x.Trim()).ToArray();
var cookie = new Cookie(cookiePair[0], cookiePair[1]);
header.AddCookie(cookie);
}
}
else if (name == "Location")
{
header.Location = value;
}
else if (name == "Content-Length")
{
header.ContentLength = value;
}
else
{
header.OtherParameters.Add(name, value);
}
}
string content = null;
if (header.ContentLength != null)
{
int totalBytes = int.Parse(header.ContentLength);
int bytesLeft = totalBytes;
byte[] bytes = new byte[totalBytes];
while (bytesLeft > 0)
{
int bufferSize = 1024;
if (bytesLeft < 1024)
{
bufferSize = bytesLeft;
}
byte[] buffer = new byte[bufferSize];
int n = inputStream.Read(buffer, 0, buffer.Length);
int index = 0;
for (int i = totalBytes - bytesLeft; i < buffer.Length; i++)
{
bytes[i] = buffer[index];
index++;
}
bytesLeft -= n;
}
content = Encoding.ASCII.GetString(bytes);
}
var request = new HttpRequest()
{
Method = method,
Url = url,
Header = header,
Content = content
};
if (request.Header.Cookies.Contains("sessionId"))
{
var sessionId = request.Header.Cookies["sessionId"].Value;
request.Session = new HttpSession(sessionId);
if (!this.sessions.ContainsKey(sessionId))
{
this.sessions.Add(sessionId, request.Session);
}
}
Console.WriteLine("-REQUEST-----------------------------");
Console.WriteLine(request);
Console.WriteLine("------------------------------");
return(request);
}
public void HandleClient(Stream stream)
{
Request = GetRequest(stream);
Response = RouteRequest();
StreamUtils.WriteResponse(stream, Response);
}
private HttpRequest GetRequest(Stream inputStream)
{
//Read Request Line
string requestLine = StreamUtils.ReadLine(inputStream);
string[] tokens = requestLine.Split(' ');
if (tokens.Length != 3)
{
throw new Exception("invalid http request line");
}
RequestMethod method = (RequestMethod)Enum.Parse(typeof(RequestMethod), tokens[0].ToUpper());
string url = tokens[1];
string protocolVersion = tokens[2];
//Read Headers
Header header = new Header(HeaderType.HttpRequest);
string line;
while ((line = StreamUtils.ReadLine(inputStream)) != null)
{
if (line.Equals(""))
{
break;
}
int separator = line.IndexOf(':');
if (separator == -1)
{
throw new Exception("invalid http header line: " + line);
}
string name = line.Substring(0, separator);
int pos = separator + 1;
while ((pos < line.Length) && (line[pos] == ' '))
{
pos++;
}
string value = line.Substring(pos, line.Length - pos);
if (name == "Cookie")
{
string[] cookieSaves = value.Split(';');
foreach (var cookieSave in cookieSaves)
{
string[] cookiePair = cookieSave.Split('=').Select(x => x.Trim()).ToArray();
var cookie = new Cookie(cookiePair[0], cookiePair[1]);
header.AddCookie(cookie);
}
}
else if (name == "Content-Length")
{
header.ContentLength = value;
}
else
{
header.OtherParameters.Add(name, value);
}
}
string content = null;
if (header.ContentLength != null)
{
int totalBytes = Convert.ToInt32(header.ContentLength);
int bytesLeft = totalBytes;
byte[] bytes = new byte[totalBytes];
while (bytesLeft > 0)
{
byte[] buffer = new byte[bytesLeft > 1024 ? 1024 : bytesLeft];
int n = inputStream.Read(buffer, 0, buffer.Length);
buffer.CopyTo(bytes, totalBytes - bytesLeft);
bytesLeft -= n;
}
content = Encoding.ASCII.GetString(bytes);
}
var request = new HttpRequest()
{
Method = method,
Url = url,
Header = header,
Content = content
};
Console.WriteLine("-REQUEST-----------------------------");
Console.WriteLine(request);
Console.WriteLine("------------------------------");
return(request);
}
private HttpRequest GetRequest(Stream stream)
{
//get method, url and protocol version
string requestLine = StreamUtils.ReadLine(stream);
string[] tokens = requestLine.Split(' ');
if (tokens.Length != 3)
{
throw new Exception("Invalid Http request line");
}
RequestMethod method = (RequestMethod)Enum.Parse(typeof(RequestMethod), tokens[0]);
string url = tokens[1];
// read header
Header header = new Header(HeaderType.HttpRequest);
string line;
while ((line = StreamUtils.ReadLine(stream)) != null)
{
if (line == "")
{
break;
}
int separator = line.IndexOf(':');
if (separator == -1)
{
throw new Exception("Invalid HTTP Header line: " + line);
}
string name = line.Substring(0, separator);
int pos = separator + 1;
while ((pos < line.Length) && (line[pos] == ' '))
{
pos++;
}
string value = line.Substring(pos, line.Length - pos);
if (name == "Cookie")
{
string[] cookies = value.Split(';');
foreach (string cookie in cookies)
{
string[] cookieTokens = cookie.TrimStart().Split('=');
header.Cookies.AddCookie(new Cookie(cookieTokens[0], cookieTokens[1]));
}
}
else if (name == "Content-Length")
{
header.ContentLenght = value;
}
else
{
header.OtherParameters.Add(name, value);
}
}
string content = null;
if (header.ContentLenght != null)
{
int totalBytes = Convert.ToInt32(header.ContentLenght);
int bytesLeft = totalBytes;
byte[] bytes = new byte[totalBytes];
while (bytesLeft > 0)
{
byte[] buffer = new byte[bytesLeft > 1024 ? 1024 : bytesLeft];
int n = stream.Read(buffer, 0, buffer.Length);
buffer.CopyTo(bytes, totalBytes - bytesLeft);
bytesLeft -= n;
}
content = Encoding.ASCII.GetString(bytes);
}
HttpRequest request = new HttpRequest()
{
Method = method,
Url = url,
Header = header,
Content = content
};
Console.WriteLine("-REQUEST-----------------------------");
Console.WriteLine(request);
Console.WriteLine("------------------------------");
return(request);
}
