public void callback(IAsyncResult result)
{
HttpListener listener = (HttpListener)result.AsyncState;
if (!listener.IsListening)
return;
HttpListenerContext context = listener.EndGetContext(result);
HttpListenerRequest req = context.Request;
HttpListenerResponse res = context.Response;
StreamWriter sw = new StreamWriter(res.OutputStream);
res.StatusCode = 200;
if (!playing)
{
sw.Write("HAHAHA");
res.StatusCode = 404;
}
else if (req.HttpMethod == "POST" && req.Url.LocalPath == "/answer")
{
StreamReader reader = new StreamReader(req.InputStream);
string str = reader.ReadToEnd();
reader.Close();
System.Collections.Specialized.NameValueCollection qs = HttpUtility.ParseQueryString(str);
Answer ans = new Answer(qs["ans"]);
if (ans != null && !String.IsNullOrEmpty(qs["token"]) && Array.IndexOf(this.tokens, qs["token"]) != -1 && this.ansCallback.onAnswer(qs["token"], ans))
{
sw.Write("Accept");
}
else
{
sw.Write("Invalid");
res.StatusCode = 403;
}
}
else if (req.HttpMethod == "GET" && req.Url.LocalPath == "/quest" + this.id + ".txt")
{
if (!String.IsNullOrEmpty(req.QueryString["token"]) && Array.IndexOf(this.tokens, req.QueryString["token"]) != -1)
{
sw.Write(problem);
}
else
{
sw.Write("Invalid");
res.StatusCode = 403;
}
}
else if (req.HttpMethod == "GET" && req.Url.LocalPath == "/form")
{
sw.Write("<!DOCTYPE html><html lang=\"ja\"><head><meta charset=\"UTF-8\" /><title>SubmitForm</title></head><body><form method=\"post\" action=\"/answer\">Token : <input type=\"text\" name=\"token\" /><br /><hr />AnswerText :<br /><textarea name=\"ans\" cols=\"75\" rows=\"20\"></textarea><br /><input type=\"submit\" /></form></body></html>");
}
else
{
sw.Write("HA?");
res.StatusCode = 404;
}
sw.Flush();
res.Close();
this.listener.BeginGetContext(this.callback, this.listener);
}
