private (Uri RedirectUri, Uri CanonicalUri) NormalizeUrl()
{
//var redirectUri = NormalizeUrl(out var canonicalUri);
//return (redirectUri, canonicalUri);
var urlNormalizer = new UrlNormalizer();
if (urlNormalizer.Normalize()) // no failure, possible redirect
{
return(urlNormalizer.NormalizedUri, urlNormalizer.CanonicalUri);
}
// could not normalize the url -- log and report it
var logMessage = urlNormalizer.ErrorMessage;
if (No404OnUrlNormalizeError)
{
logMessage = $"[no 404] {logMessage}";
}
Log404Error(logMessage);
UrlError = urlNormalizer.ErrorMessage;
if (!No404OnUrlNormalizeError)
{
if (IsDebugging)
{
throw new ApplicationException(urlNormalizer.ErrorMessage);
}
else
{
SafeTransferToError404();
}
}
return(null, null);
}
private Uri NormalizeUrl(out Uri canonicalUri)
{
var urlNormalizer = new UrlNormalizer();
if (urlNormalizer.Normalize()) // no failure, possible redirect
{
var redirectUri = urlNormalizer.NormalizedUri;
if (redirectUri != null) // log upcoming redirect
{
Log301Redirect(redirectUri.ToString());
}
canonicalUri = urlNormalizer.CanonicalUri;
return(redirectUri);
}
// could not normalize the url -- log and report it
var logMessage = urlNormalizer.ErrorMessage;
if (No404OnUrlNormalizeError)
{
logMessage = "[no 404] " + logMessage;
}
Log404Error(logMessage);
UrlError = urlNormalizer.ErrorMessage;
if (!No404OnUrlNormalizeError)
{
if (IsDebugging)
{
throw new ApplicationException(urlNormalizer.ErrorMessage);
}
else
{
SafeTransferToError404();
}
}
canonicalUri = null;
return(null);
}
