private void Context_EndRequest(object sender, EventArgs e)
{
if (IsUpgrade)
{
return;
}
try
{
var rsp = HttpContext.Current.Response;
var ps = Common.CurrentPortalSettings;
// this needs to be done on EndRequest, to be sure PortalSettings.ActiveTab is correct
if (rsp.StatusCode == (int)HttpStatusCode.OK)
{
Force404Controller.DoForce404Check();
}
string incoming = Common.IncomingUrl;
if (ps.ActiveTab?.TabID != ps.ErrorPage404 && rsp.StatusCode == (int)HttpStatusCode.NotFound && !string.IsNullOrEmpty(incoming))
{
Common.Logger.Debug($"Logging redirect from Context_EndRequest. incoming:[{incoming}]");
RedirectController.AddRedirectLog(ps.PortalId, incoming, "");
}
}
catch (Exception exception)
{
// we're not writing in the eventlog, since the amount of log records can really explode
// we MUST catch every possible exception here, otherwise the website would be completely down in case of a bug
}
}
public static void DoForce404Check()
{
// no forced 404 for authenticated users
if (HttpContext.Current.Request.IsAuthenticated)
{
return;
}
// als tabInfo.IsForce404() en de url is "dieper" dan de tab zelf: dan een 404 geven
var activeTab = Common.CurrentPortalSettings.ActiveTab;
if (activeTab.IsForce404() && !IsDnnControlUrl())
{
Common.Logger.Debug($"Force404-check for tab {Common.CurrentPortalSettings.ActiveTab.TabID}");
var tabFullUrl = "";
// activeTab can be a tab when handlers are being called.
// in those cases, FullUrl throws an exception
// we're "handling" that here
try
{
tabFullUrl = activeTab.FullUrl.ToLowerInvariant();
}
catch (Exception e)
{
}
if (string.IsNullOrEmpty(tabFullUrl))
{
return;
}
var incoming = Common.IncomingUrl;
var tabUrl = new Uri(tabFullUrl);
var incUrl = new Uri(incoming);
// requests for dependancyhandler.axd don't get recognised as a handler and need to be explicitly ignored
if (incoming.Contains("dependencyhandler.axd"))
{
return;
}
if (incUrl.LocalPath.StartsWith(tabUrl.LocalPath) && incUrl.LocalPath.Length > tabUrl.LocalPath.Length)
{
RedirectController.AddRedirectLog(Common.CurrentPortalSettings.PortalId, incoming, "");
Common.Handle404Exception(HttpContext.Current.Response, Common.CurrentPortalSettings);
}
// also check TabUrls with httpstatus=200
foreach (var tabUrlInfo in activeTab.TabUrls.Where(tu => tu.HttpStatus == ((int)HttpStatusCode.OK).ToString()))
{
if (incUrl.LocalPath.StartsWith(tabUrlInfo.Url.ToLowerInvariant()) && incUrl.LocalPath.Length > tabUrlInfo.Url.Length)
{
RedirectController.AddRedirectLog(Common.CurrentPortalSettings.PortalId, incoming, "");
Common.Handle404Exception(HttpContext.Current.Response, Common.CurrentPortalSettings);
}
}
}
}
private void Context_EndRequest(object sender, EventArgs e)
{
try
{
var rsp = HttpContext.Current.Response;
var ps = Common.CurrentPortalSettings;
string incoming = (string)HttpContext.Current.Items["40F_SEO_IncomingUrl"];
if (rsp.StatusCode == (int)HttpStatusCode.NotFound && !string.IsNullOrEmpty(incoming))
{
Common.Logger.Debug($"Logging redirect from Context_EndRequest. incoming:[{incoming}]");
RedirectController.AddRedirectLog(ps.PortalId, incoming, "");
}
}
catch (Exception exception)
{
// we're not writing in the eventlog, since the amount of log records can really explode
// we MUST catch every possible exception here, otherwise the website would be completely down in case of a bug
}
}