internal static bool TryGetRedirectUri(Uri uri, string canonicalHostname, out Uri redirectUri, out bool isVanityDomainRedirect)
{
redirectUri = null;
isVanityDomainRedirect = false;
if (!HttpRedirectCommon.UriIsHttps(uri))
{
UriBuilder uriBuilder = new UriBuilder(uri);
uriBuilder.Scheme = "https";
uriBuilder.Port = 443;
if (string.IsNullOrEmpty(uriBuilder.Path) || uriBuilder.Path == "/")
{
uriBuilder.Path = "/owa/";
}
if (VanityDomainRedirectModule.IsMissingTrailingSlashRequired(uriBuilder.Path))
{
UriBuilder uriBuilder2 = uriBuilder;
uriBuilder2.Path += "/";
}
if (VanityDomainRedirectModule.IsVanityDomain(uri, canonicalHostname))
{
isVanityDomainRedirect = true;
uriBuilder.Host = canonicalHostname;
string text = null;
string text2 = null;
string host = uri.Host;
int num = host.IndexOf('.');
if (num >= 0)
{
text2 = host.Substring(0, num);
text = host.Substring(num + 1);
}
string text3 = null;
if (!string.IsNullOrWhiteSpace(text) && !string.IsNullOrWhiteSpace(text2))
{
text3 = "realm=" + text + "&vd=" + text2;
}
if (!string.IsNullOrEmpty(uriBuilder.Query))
{
uriBuilder.Query = uriBuilder.Query.Substring(1) + "&" + text3;
}
else
{
uriBuilder.Query = text3;
}
}
redirectUri = uriBuilder.Uri;
return(true);
}
if (VanityDomainRedirectModule.IsMissingTrailingSlashRequired(uri.LocalPath))
{
UriBuilder uriBuilder3 = new UriBuilder(uri);
UriBuilder uriBuilder4 = uriBuilder3;
uriBuilder4.Path += "/";
redirectUri = uriBuilder3.Uri;
return(true);
}
return(false);
}
private void OnBeginRequestInternal(HttpApplication httpApplication)
{
HttpContext context = httpApplication.Context;
Uri url = context.Request.Url;
Uri redirectUri = null;
bool flag = false;
if (VanityDomainRedirectModule.TryGetRedirectUri(url, VanityDomainRedirectModule.CanonicalHostNameSetting.Value, out redirectUri, out flag))
{
HttpRedirectCommon.RedirectRequestToNewUri(httpApplication, HttpRedirectCommon.HttpRedirectType.Permanent, redirectUri, flag ? "VanityDomainRedirectUri=" : "HttpsRedirectUri=");
}
}
