private static void DoLogoffCleanup(RequestContext requestContext)
        {
            ExTraceGlobals.CoreCallTracer.TraceDebug(0L, "[RequestDispatcher::DoLogoff] entry.");
            HttpContext    httpContext = requestContext.HttpContext;
            UserContext    userContext = requestContext.UserContext as UserContext;
            UserContextKey key         = userContext.Key;

            try
            {
                ExTraceGlobals.UserContextTracer.TraceDebug <UserContext>(0L, "[RequestDispatcher::DoLogoffCleanup] Found user context in the cache, User context instance={0}.", userContext);
                userContext.State = UserContextState.MarkedForLogoff;
                userContext.LogBreadcrumb("MarkedForLogoff");
                userContext.DoLogoffCleanup();
                userContext.LogBreadcrumb("DoLogoffCleanup completed");
            }
            finally
            {
                UserContextCookie userContextCookie = UserContextCookie.GetUserContextCookie(requestContext.HttpContext);
                if (userContextCookie != null)
                {
                    HttpUtilities.DeleteCookie(httpContext.Response, userContextCookie.CookieName);
                }
                HttpUtilities.DeleteCookie(httpContext.Response, Canary15Profile.Owa.Name);
                if (key.UserContextId == null)
                {
                    string message = "User context id couldn't be retrieved. Logoff can't be performed";
                    ExTraceGlobals.UserContextTracer.TraceDebug(0L, message);
                    userContext.LogBreadcrumb(message);
                    userContext.Dispose();
                    userContext = null;
                }
                else
                {
                    userContext.LogBreadcrumb("Logoff invoking Cache.Remove");
                    object obj = HttpRuntime.Cache.Remove(key.ToString());
                    userContext.LogBreadcrumb("Logoff invoked Cache.Remove");
                    string message2 = (obj == null) ? "The userContext was already deleted from the cache" : "Context successfully deleted from the cache";
                    ExTraceGlobals.UserContextTracer.TraceDebug(0L, message2);
                    userContext.LogBreadcrumb(message2);
                }
            }
        }
 internal static void DeleteUserSettingsCookie(RequestContext requestContext)
 {
     HttpUtilities.DeleteCookie(requestContext.HttpContext.Response, "UpdatedUserSettings");
 }
        // Token: 0x0600097E RID: 2430 RVA: 0x00020CF4 File Offset: 0x0001EEF4
        internal static void HandleException(RequestContext requestContext, Exception exception)
        {
            if (exception is HttpException && (exception.InnerException is SlabManifestException || exception.InnerException is FlightConfigurationException))
            {
                exception = exception.InnerException;
            }
            ErrorHandlerUtilities.RecordException(requestContext, exception);
            ExTraceGlobals.CoreTracer.TraceDebug <Type, Exception>(0L, "Exception: Type: {0} Error: {1}.", exception.GetType(), exception);
            HttpContext httpContext = requestContext.HttpContext;

            HttpUtilities.MakePageNoCacheNoStore(httpContext.Response);
            if (exception is HttpException)
            {
                HttpUtilities.EndResponse(httpContext, HttpStatusCode.BadRequest);
                return;
            }
            if (exception is OwaInvalidRequestException || exception is OwaInvalidIdFormatException)
            {
                HttpUtilities.EndResponse(httpContext, HttpStatusCode.BadRequest);
                return;
            }
            if (exception is MailboxInSiteFailoverException && requestContext.UserContext != null)
            {
                ExTraceGlobals.CoreTracer.TraceDebug <string>(0L, "User {0}'s mailbox in-site failover occurs.", requestContext.UserContext.ExchangePrincipal.LegacyDn);
                if (requestContext.UserContext != null)
                {
                    requestContext.UserContext.DisconnectMailboxSession();
                }
            }
            if (exception is MailboxCrossSiteFailoverException || exception is WrongServerException)
            {
                if (requestContext.UserContext != null)
                {
                    ExTraceGlobals.CoreTracer.TraceDebug <string>(0L, "User {0}'s mailbox cross-site failover occurs.", requestContext.UserContext.ExchangePrincipal.LegacyDn);
                }
                UserContextCookie userContextCookie = UserContextCookie.GetUserContextCookie(httpContext);
                if (userContextCookie != null)
                {
                    HttpUtilities.DeleteCookie(httpContext.Response, userContextCookie.CookieName);
                }
            }
            if (exception is OverBudgetException)
            {
                OverBudgetException ex = (OverBudgetException)exception;
                httpContext.Response.AppendToLog(string.Format("&OverBudget({0}/{1}),Owner:{2}[{3}]", new object[]
                {
                    ex.IsServiceAccountBudget ? "ServiceAccount" : "Normal",
                    ex.PolicyPart,
                    ex.Owner,
                    ex.Snapshot
                }));
            }
            ErrorInformation exceptionHandlingInformation = ErrorHandlerUtilities.GetExceptionHandlingInformation(exception, requestContext);

            try
            {
                if (!requestContext.ErrorSent)
                {
                    requestContext.ErrorSent = true;
                    httpContext.Response.Clear();
                    try
                    {
                        if (RequestDispatcherUtilities.GetRequestType(httpContext.Request) != OwaRequestType.ServiceRequest && RequestDispatcherUtilities.GetRequestType(httpContext.Request) != OwaRequestType.Oeh && !httpContext.Request.Path.Contains(OwaUrl.SessionDataPage.ImplicitUrl))
                        {
                            StringBuilder stringBuilder = new StringBuilder("/owa/auth/errorfe.aspx");
                            stringBuilder.Append("?");
                            stringBuilder.Append("httpCode");
                            stringBuilder.Append("=");
                            stringBuilder.Append(500);
                            if (exceptionHandlingInformation.SharePointApp)
                            {
                                stringBuilder.Append("&sharepointapp=true");
                            }
                            if (exceptionHandlingInformation.SiteMailbox)
                            {
                                stringBuilder.Append("&sm=true");
                            }
                            if (exceptionHandlingInformation.GroupMailboxDestination != null)
                            {
                                stringBuilder.Append("&gm=");
                                stringBuilder.Append(HttpUtility.UrlEncode(exceptionHandlingInformation.GroupMailboxDestination));
                            }
                            if (exceptionHandlingInformation.MessageId != null)
                            {
                                stringBuilder.Append("&");
                                stringBuilder.Append("msg");
                                stringBuilder.Append("=");
                                stringBuilder.Append((long)exceptionHandlingInformation.MessageId.Value);
                                if (!string.IsNullOrWhiteSpace(exceptionHandlingInformation.MessageParameter))
                                {
                                    stringBuilder.Append("&");
                                    stringBuilder.Append("msgParam");
                                    stringBuilder.Append("=");
                                    stringBuilder.Append(HttpUtility.UrlEncode(exceptionHandlingInformation.MessageParameter));
                                }
                            }
                            if (!string.IsNullOrWhiteSpace(httpContext.Response.Headers["X-OWA-Error"]))
                            {
                                stringBuilder.Append("&owaError=");
                                stringBuilder.Append(httpContext.Response.Headers["X-OWA-Error"]);
                            }
                            stringBuilder.Append("&owaVer=");
                            stringBuilder.Append(Globals.ApplicationVersion);
                            stringBuilder.Append("&be=");
                            stringBuilder.Append(Environment.MachineName);
                            stringBuilder.Append("&ts=");
                            stringBuilder.Append(DateTime.UtcNow.ToFileTimeUtc());
                            if (!string.IsNullOrWhiteSpace(exceptionHandlingInformation.Lids))
                            {
                                httpContext.Response.AppendToLog(string.Format("&lids={0}", exceptionHandlingInformation.Lids));
                            }
                            if (exceptionHandlingInformation.SupportLevel != null && exceptionHandlingInformation.SupportLevel != SupportLevel.Unknown)
                            {
                                httpContext.Response.AppendHeader("X-OWASuppLevel", exceptionHandlingInformation.SupportLevel.ToString());
                                httpContext.Response.AppendToLog(string.Format("&{0}={1}", "suplvl", exceptionHandlingInformation.SupportLevel.ToString()));
                            }
                            httpContext.Response.Redirect(stringBuilder.ToString(), false);
                        }
                        else
                        {
                            httpContext.Response.Write(exceptionHandlingInformation.Message);
                            httpContext.Response.StatusCode = 500;
                            if (exceptionHandlingInformation.MessageId != null)
                            {
                                httpContext.Response.AddHeader(WellKnownHeader.XOWAErrorMessageID, exceptionHandlingInformation.MessageId.ToString());
                            }
                            httpContext.Response.TrySkipIisCustomErrors = true;
                            httpContext.Response.Flush();
                        }
                        httpContext.ApplicationInstance.CompleteRequest();
                    }
                    catch (HttpException arg)
                    {
                        ExTraceGlobals.CoreTracer.TraceDebug <HttpException>(0L, "Failed to flush and send response to client after submitting watson and rendering error page. {0}", arg);
                    }
                }
            }
            finally
            {
                if (exceptionHandlingInformation.SendWatsonReport && Globals.SendWatsonReports)
                {
                    ExTraceGlobals.CoreTracer.TraceDebug(0L, "Sending watson report");
                    ReportOptions options = (exception is AccessViolationException || exception is InvalidProgramException || exception is TypeInitializationException) ? ReportOptions.ReportTerminateAfterSend : ReportOptions.None;
                    ExWatson.SendReport(exception, options, null);
                }
                if (exception is AccessViolationException)
                {
                    ExTraceGlobals.CoreTracer.TraceDebug(0L, "Shutting down OWA due to unrecoverable exception");
                    ErrorHandlerUtilities.TerminateProcess();
                }
                else if ((exception is InvalidProgramException || exception is TypeInitializationException) && Interlocked.Exchange(ref ErrorHandlerUtilities.queuedDelayedRestart, 1) == 0)
                {
                    new Thread(new ThreadStart(ErrorHandlerUtilities.DelayedRestartUponUnexecutableCode)).Start();
                }
                httpContext.Response.End();
            }
        }