void HandleReceivedRequest(object sender, HttpServerRequestEventArgs e)
{
if (e.Request.Url == LocalhostTokenUrl)
{
var reader = new StreamReader(e.Request.InputStream);
var tokenString = reader.ReadToEnd();
var tokens = tokenString.Split('=');
if (tokens.Length == 2 && tokens[0] == "token")
{
Application.Instance.AsyncInvoke(delegate
{
var getUserTask = this.GetUserId(tokens[1]);
getUserTask.ContinueWith(task => {
Application.Instance.AsyncInvoke(delegate
{
this.UserID = task.Result;
this.Close(DialogResult.Ok);
});
}, TaskContinuationOptions.OnlyOnRanToCompletion);
getUserTask.ContinueWith(task => {
MessageBox.Show(this, "Cannot get User ID from token", MessageBoxButtons.OK, MessageBoxType.Error);
}, TaskContinuationOptions.OnlyOnFaulted);
});
}
}
}
void ListenerCallback(IAsyncResult ar)
{
if (!listener.IsListening)
return;
listener.BeginGetContext(ListenerCallback, null);
var context = listener.EndGetContext(ar);
var request = context.Request;
var response = context.Response;
var reqArgs = new HttpServerRequestEventArgs(request);
OnReceivedRequest(reqArgs);
if (reqArgs.Cancel)
{
response.Abort();
return;
}
Debug.WriteLine("SERVER: " + baseDirectory + " " + request.Url);
response.AddHeader("Cache-Control", "no-cache");
try
{
string html;
if (staticContent.TryGetValue(request.Url.AbsolutePath, out html))
{
response.ContentType = MediaTypeNames.Text.Html;
response.ContentEncoding = Encoding.UTF8;
var buffer = Encoding.UTF8.GetBytes(html);
response.ContentLength64 = buffer.Length;
response.OutputStream.Write(buffer, 0, buffer.Length);
response.Close();
return;
}
string filePath = null;
if (!string.IsNullOrEmpty(baseDirectory))
filePath = Path.Combine(
baseDirectory,
request.Url.AbsolutePath.Substring(1)
);
if (string.IsNullOrEmpty(filePath) || !File.Exists(filePath))
{
response.StatusCode = (int)HttpStatusCode.NotFound; // 404
response.StatusDescription = response.StatusCode + " Not Found";
response.ContentType = MediaTypeNames.Text.Html;
response.ContentEncoding = Encoding.UTF8;
var buffer = Encoding.UTF8.GetBytes("<html><body>404 Not Found</body></html>");
response.ContentLength64 = buffer.Length;
response.OutputStream.Write(buffer, 0, buffer.Length);
response.Close();
return;
}
byte[] entity = null;
try
{
entity = File.ReadAllBytes(filePath);
}
catch (Exception x)
{
Debug.WriteLine("Exception reading file: " + filePath + "\n" + x);
response.StatusCode = (int)HttpStatusCode.InternalServerError; // 500
response.StatusDescription = response.StatusCode + " Internal Server Error";
response.ContentType = MediaTypeNames.Text.Html;
response.ContentEncoding = Encoding.UTF8;
var buffer = Encoding.UTF8.GetBytes("<html><body>500 Internal Server Error</body></html>");
response.ContentLength64 = buffer.Length;
response.OutputStream.Write(buffer, 0, buffer.Length);
response.Close();
return;
}
response.ContentLength64 = entity.Length;
switch (Path.GetExtension(request.Url.AbsolutePath).ToLowerInvariant())
{
//images
case ".gif":
response.ContentType = MediaTypeNames.Image.Gif;
break;
case ".jpg":
case ".jpeg":
response.ContentType = MediaTypeNames.Image.Jpeg;
break;
case ".tiff":
response.ContentType = MediaTypeNames.Image.Tiff;
break;
case ".png":
response.ContentType = "image/png";
break;
// application
case ".pdf":
response.ContentType = MediaTypeNames.Application.Pdf;
break;
case ".zip":
response.ContentType = MediaTypeNames.Application.Zip;
break;
// text
case ".htm":
case ".html":
response.ContentType = MediaTypeNames.Text.Html;
break;
case ".txt":
response.ContentType = MediaTypeNames.Text.Plain;
break;
case ".xml":
response.ContentType = MediaTypeNames.Text.Xml;
break;
// let the user agent work it out
default:
response.ContentType = MediaTypeNames.Application.Octet;
break;
}
response.OutputStream.Write(entity, 0, entity.Length);
response.Close();
}
catch (Exception x)
{
Debug.WriteLine("Unexpected exception. Aborting...\n" + x);
response.Abort();
}
}
protected virtual void OnReceivedRequest(HttpServerRequestEventArgs e)
{
if (ReceivedRequest != null)
ReceivedRequest(this, e);
}
