public ActionResult Preview(ShortUrlVisitCommand command)
{
Check.Argument.IsNotNull(command, "command");
ShortUrlResult result = shortUrlService.GetByAlias(command.Alias);
ModelState.Merge(result.RuleViolations);
if (result.ShortUrl == null)
{
return(new NotFoundResult());
}
return(View(result.ShortUrl));
}
public ActionResult Visit(ShortUrlVisitCommand command)
{
Check.Argument.IsNotNull(command, "command");
bool sameDomain = !string.IsNullOrWhiteSpace(command.Referrer) && command.Referrer.StartsWith(Url.ApplicationRoot(), StringComparison.OrdinalIgnoreCase);
if (!sameDomain)
{
ShortUrlResult shortUrlResult = shortUrlService.GetByAlias(command.Alias);
ShortUrlDTO shortUrl = shortUrlResult.ShortUrl;
if (shortUrl == null)
{
return(new NotFoundResult());
}
if (shortUrl.SpamStatus.IsSpam())
{
return(RedirectToAction("Preview", new { alias = shortUrl.Alias }));
}
}
if (sameDomain)
{
command.Referrer = null;
}
VisitResult visitResult = shortUrlService.Visit(command.Alias, command.IPAddress, command.Browser, command.Referrer);
ModelState.Merge(visitResult.RuleViolations);
if (visitResult.Visit == null)
{
return(new NotFoundResult());
}
string url = visitResult.Visit.Url;
return(settings.RedirectPermanently ? new PermanentRedirectResult(url) : Redirect(url));
}