internal void ClearOtnPort()
{
_currentOtnPort = null;
}
private void Context_ValidateResponseHeader(object sender, EventArgs e)
{
var ctx = (HttpContext)sender;
var response = ctx.Response;
if (string.Compare(response.ResponseUri.Host, "kyfw.12306.cn", StringComparison.OrdinalIgnoreCase) == -1)
{
return;
}
var redirection = response.Redirection;
if (redirection != null && Regex.IsMatch(redirection.Current.ToString(), @"(mormhweb/logFiles|otn/login/error)", RegexOptions.IgnoreCase | RegexOptions.Singleline))
{
//系统错误
throw new SystemBusyException();
}
//如果返回了OTN信息，则重置OTN避免掉线
if (IsUnexpectedLogout(ctx))
{
if (ApiConfiguration.Instance.EnableLogoutRescure)
{
Task <bool> task;
lock (_lockObject)
{
task = _resetOtnPortTask;
if (task == null)
{
Debug.WriteLine("OTN重定向已检测到。启动检测任务。");
_resetOtnPortTask = Task <bool> .Factory.StartNew(() =>
{
//先校验原始信息, 最多三次, 只要成功一次即可
for (int i = 0; i < 3; i++)
{
var ret = VerifySessionValid(noOtnPortCheck: true);
if (ret == true)
{
return(false);
}
}
if (ctx.ContextData?.ContainsKey("not_important") == true)
{
if (_currentOtnPort != null)
{
ResetOtnPort();
return(true);
}
}
else
{
var count = 0;
var errorCount = 0;
ExportedSession otnSession;
while (count++ < 5 && (otnSession = _currentOtnPort) != null)
{
var client = new NetClient();
otnSession.ToSession(null, client);
var ret = client.VerifySessionValid(noOtnPortCheck: true);
if (ret != null)
{
if (ret == true)
{
_currentOtnPort = new ExportedSession(Session, this);
ResetOtnPort();
return(true);
}
else
{
if (errorCount++ >= 3)
{
break;
}
}
count--;
}
Thread.Sleep(100);
}
}
return(false);
});
task = _resetOtnPortTask;
}
}
task.Wait();
_resetOtnPortTask = null;
if (task.Result)
{
Debug.WriteLine("已挽救OTNPORT");
throw new Exception("掉线重定向已拦截，请重试");
}
}
throw new ForceLogoutException();
}
}
internal void StoreOtnPort()
{
_currentOtnPort = new ExportedSession();
_currentOtnPort.FromSession(Session, this);
}