private HTTP.Response GetResponse(HTTP.Request request)
{
Location currentLocation = null;
foreach (Location location in serverConfiguration.Locations.OrderByDescending(l => l.Path.Length))
{
if (request.Path.StartsWith(location.Path))
{
currentLocation = location;
break;
}
}
// TODO: Add Authorization
switch (currentLocation)
{
case Location l when l.Action == "Serve":
return(new FileRequestHandler().GetResponse(request, currentLocation));
case Location l when l.Action == "Redirect":
return(new RedirectRequestHandler().GetResponse(request, currentLocation));
case Location l when l.Action == "Proxy":
return(new ProxyRequestHandler().GetResponse(request, currentLocation));
}
// TODO: Throw customized exception (Something like ServerConfigException? BadHandlerException?)
throw new Exception("Invalid request handler");
}
public void Run()
{
TcpListener listener = new TcpListener(IPAddress.Parse(serverConfiguration.IP), serverConfiguration.Port);
listener.Start();
Byte[] buffer = new Byte[255];
String data = null;
logger.Log(LogLevel.INFO, string.Format("Server listening at {0}", listener.LocalEndpoint), serverConfiguration.Name);
while (true)
{
TcpClient client = listener.AcceptTcpClient();
var clientThread = new Thread(() =>
{
NetworkStream stream = client.GetStream();
int i;
data = null;
string requestString = null;
while (stream.DataAvailable && (i = stream.Read(buffer, 0, buffer.Length)) != 0)
{
data = Encoding.ASCII.GetString(buffer, 0, i);
requestString += data;
}
if (string.IsNullOrEmpty(requestString))
{
client.Close();
return;
}
HTTP.Request request = new HTTP.Request(requestString);
logger.Log(LogLevel.ACCESS, string.Format("Request from {0}: {1} {2} HTTP/1.1", client.Client.RemoteEndPoint, request.Method, request.Path), serverConfiguration.Name);
HTTP.Response response = null;
try
{
response = GetResponse(request);
}
catch (Exception)
{
response = new HTTP.Response(HTTP.Status.InternalServerError); // TODO: What status code?
}
byte[] responseBytes = Encoding.ASCII.GetBytes(response.ToString());
stream.Write(responseBytes, 0, responseBytes.Length);
logger.Log(LogLevel.ACCESS, string.Format("Response to {0}: HTTP/1.1 {1}", client.Client.RemoteEndPoint, response.Status), serverConfiguration.Name);
client.Close();
});
clientThread.Start();
}
}
public override HTTP.Response GetResponse(HTTP.Request request, Location location)
{
string filename = location.Target + request.Path.Remove(0, location.Path.Length);
if (!File.Exists(filename))
{
// TODO: Improve
filename = filename + "/index.html";
if (!File.Exists(filename))
{
return(new HTTP.Response(HTTP.Status.NotFound));
}
}
// TODO: Add MIME support
string body = File.ReadAllText(filename);
return(new HTTP.Response(HTTP.Status.OK)
{
Body = body
});
}
public abstract HTTP.Response GetResponse(HTTP.Request request, Location location);