private void UpdateBackoffCache()
{
bool flag = E4eProxyRequestHandler.IsE4ePostPayloadRequest(base.ClientRequest);
if (flag)
{
string serverResponseCookieValue = this.GetServerResponseCookieValue("X-E4eBudgetType");
string serverResponseCookieValue2 = this.GetServerResponseCookieValue("X-E4eEmailAddress");
string serverResponseCookieValue3 = this.GetServerResponseCookieValue("X-E4eBackOffUntilUtc");
E4eBackoffListCache.Instance.UpdateCache(serverResponseCookieValue, serverResponseCookieValue2, serverResponseCookieValue3);
}
}
protected override AnchorMailbox ResolveAnchorMailbox()
{
if (E4eProxyRequestHandler.IsErrorPageRequest(base.ClientRequest))
{
return(new AnonymousAnchorMailbox(this));
}
if (E4eProxyRequestHandler.IsE4eInvalidStoreRequest(base.ClientRequest))
{
this.ThrowRedirectException(E4eProxyRequestHandler.GetErrorUrl(E4eProxyRequestHandler.E4eErrorType.InvalidStoreRequest));
}
bool flag = E4eProxyRequestHandler.IsE4ePostPayloadRequest(base.ClientRequest);
this.GetSenderInfo(flag);
string text = this.senderEmailAddress;
if (!string.IsNullOrEmpty(text) && SmtpAddress.IsValidSmtpAddress(text))
{
string recipientEmailAddress = base.ClientRequest.QueryString["RecipientEmailAddress"];
if (flag)
{
if (E4eBackoffListCache.Instance.ShouldBackOff(text, recipientEmailAddress))
{
PerfCounters.HttpProxyCountersInstance.RejectedConnectionCount.Increment();
this.ThrowRedirectException(E4eProxyRequestHandler.GetErrorUrl(E4eProxyRequestHandler.E4eErrorType.ThrottlingRestriction));
}
else
{
PerfCounters.HttpProxyCountersInstance.AcceptedConnectionCount.Increment();
}
}
return(new SmtpWithDomainFallbackAnchorMailbox(text, this)
{
UseServerCookie = true
});
}
if (BEResourceRequestHandler.IsResourceRequest(base.ClientRequest.Url.LocalPath))
{
return(new AnonymousAnchorMailbox(this));
}
string text2 = string.Format("The sender's email address is not valid. Email={0}, SMTP={1}", this.senderEmailAddress, text);
base.Logger.AppendGenericError("Invalid sender email address", text2);
throw new HttpProxyException(HttpStatusCode.NotFound, HttpProxySubErrorCode.EndpointNotFound, text2);
}