public static bool IsEacUrl(string urlString)
{
if (!UrlUtilities.IsEcpUrl(urlString))
{
return(false);
}
int num = urlString.IndexOf('?');
if (num > 0)
{
string[] source = urlString.Substring(num + 1).Split(new char[]
{
'&'
});
return(!source.Contains("rfr=owa") && !source.Contains("rfr=olk"));
}
return(true);
}
private void HandleFbaFormPost(BackEndServer backEndServer)
{
HttpContext httpContext = base.HttpContext;
HttpResponse response = httpContext.Response;
Uri uri = null;
string text = httpContext.Items["destination"] as string;
bool flag = false;
bool flag2 = false;
bool flag3 = true;
string fqdn = backEndServer.Fqdn;
int version = backEndServer.Version;
OwaServerVersion owaServerVersion = null;
bool flag4 = false;
ServiceTopology currentServiceTopology = ServiceTopology.GetCurrentServiceTopology("f:\\15.00.1497\\sources\\dev\\cafe\\src\\HttpProxy\\RequestHandlers\\FbaFormPostProxyRequestHandler.cs", "HandleFbaFormPost", 780);
Site site = currentServiceTopology.GetSite(fqdn, "f:\\15.00.1497\\sources\\dev\\cafe\\src\\HttpProxy\\RequestHandlers\\FbaFormPostProxyRequestHandler.cs", "HandleFbaFormPost", 781);
if (site != null && !site.Equals(HttpProxyGlobals.LocalSite.Member))
{
flag3 = false;
}
if (!FbaFormPostProxyRequestHandler.DisableSSORedirects)
{
owaServerVersion = OwaServerVersion.CreateFromVersionNumber(version);
if (UrlUtilities.IsEcpUrl(text) && owaServerVersion.Major < (int)ExchangeObjectVersion.Exchange2010.ExchangeBuild.Major)
{
flag = false;
flag2 = false;
}
else if (!flag3 && !UserAgentParser.IsMonitoringRequest(base.ClientRequest.UserAgent))
{
if (owaServerVersion.Major >= (int)ExchangeObjectVersion.Exchange2007.ExchangeBuild.Major)
{
FbaFormPostProxyRequestHandler.LegacyRedirectFailureCause legacyRedirectFailureCause = FbaFormPostProxyRequestHandler.NeedCrossSiteRedirect(backEndServer, site, HttpProxyGlobals.LocalSite.Member, owaServerVersion, UrlUtilities.IsEcpUrl(text), out uri, out flag4);
string authority = base.ClientRequest.Url.Authority;
string b = (uri == null) ? string.Empty : uri.Authority;
flag2 = (legacyRedirectFailureCause != FbaFormPostProxyRequestHandler.LegacyRedirectFailureCause.NoCasFound && !string.Equals(authority, b, StringComparison.OrdinalIgnoreCase) && (legacyRedirectFailureCause != FbaFormPostProxyRequestHandler.LegacyRedirectFailureCause.None || uri != null));
if (uri == null && owaServerVersion.Major == (int)ExchangeObjectVersion.Exchange2007.ExchangeBuild.Major)
{
flag = (FbaFormPostProxyRequestHandler.NeedOnSiteLegacyRedirect(backEndServer, null, HttpProxyGlobals.LocalSite.Member, owaServerVersion, out uri, out flag4) != FbaFormPostProxyRequestHandler.LegacyRedirectFailureCause.None || uri != null);
}
}
}
else
{
flag = (FbaFormPostProxyRequestHandler.NeedOnSiteLegacyRedirect(backEndServer, site, HttpProxyGlobals.LocalSite.Member, owaServerVersion, out uri, out flag4) != FbaFormPostProxyRequestHandler.LegacyRedirectFailureCause.None || uri != null);
}
}
if (flag2 || flag)
{
if (uri != null)
{
string authority2 = base.ClientRequest.Url.Authority;
string authority3 = uri.Authority;
if (string.Compare(authority2, authority3, StringComparison.OrdinalIgnoreCase) == 0)
{
throw new HttpException(403, "Redirect loop detected");
}
}
using (SecureNameValueCollection secureNameValueCollection = new SecureNameValueCollection())
{
int num = (int)base.HttpContext.Items["flags"];
secureNameValueCollection.AddUnsecureNameValue("destination", base.HttpContext.Items["destination"] as string);
secureNameValueCollection.AddUnsecureNameValue("username", base.HttpContext.Items["username"] as string);
secureNameValueCollection.AddUnsecureNameValue("flags", num.ToString(CultureInfo.InvariantCulture));
using (SecureString secureString = base.HttpContext.Items["password"] as SecureString)
{
secureNameValueCollection.AddSecureNameValue("password", secureString);
if (flag)
{
if (uri == null)
{
AspNetHelper.TransferToErrorPage(httpContext, ErrorFE.FEErrorCodes.NoLegacyCAS);
}
else if (flag4)
{
if (uri.Scheme == Uri.UriSchemeHttps)
{
ExTraceGlobals.VerboseTracer.TraceDebug <string>((long)this.GetHashCode(), "FbaFormPostProxyRequestHandler - SSO redirecting to {0}", uri.ToString());
this.RedirectUsingSSOFBA(secureNameValueCollection, uri, response, owaServerVersion.Major);
response.End();
}
else
{
AspNetHelper.TransferToErrorPage(httpContext, ErrorFE.FEErrorCodes.NoFbaSSL);
}
}
else
{
ExTraceGlobals.VerboseTracer.TraceDebug <string>((long)this.GetHashCode(), "FbaFormPostProxyRequestHandler - redirecting to {0}", uri.ToString());
base.PfdTracer.TraceRedirect("FbaAuth", uri.ToString());
response.Redirect(FbaFormPostProxyRequestHandler.CheckRedirectUrlForNewline(uri.ToString()));
}
}
else if (flag2)
{
if (uri == null)
{
AspNetHelper.TransferToErrorPage(httpContext, ErrorFE.FEErrorCodes.NoLegacyCAS);
}
else
{
Uri uri2 = uri;
if (this.explicitLogonUser != null)
{
uri2 = FbaFormPostProxyRequestHandler.AppendSmtpAddressToUrl(uri, this.explicitLogonUser);
}
if (flag4)
{
if (uri.Scheme == Uri.UriSchemeHttps)
{
ExTraceGlobals.VerboseTracer.TraceDebug <string>((long)this.GetHashCode(), "FbaFormPostProxyRequestHandler - SSO redirecting to {0}", uri.ToString());
this.RedirectUsingSSOFBA(secureNameValueCollection, uri, response, owaServerVersion.Major);
response.End();
}
else
{
AspNetHelper.TransferToErrorPage(httpContext, ErrorFE.FEErrorCodes.NoFbaSSL);
}
}
else
{
ExTraceGlobals.VerboseTracer.TraceDebug <string>((long)this.GetHashCode(), "FbaFormPostProxyRequestHandler - redirecting to {0}", uri2.ToString());
base.PfdTracer.TraceRedirect("FbaAuth", uri2.ToString());
response.Redirect(FbaFormPostProxyRequestHandler.CheckRedirectUrlForNewline(uri2.ToString()));
}
}
}
}
return;
}
}
try
{
FbaModule.SetCadataCookies(base.HttpApplication);
}
catch (MissingSslCertificateException)
{
AspNetHelper.TransferToErrorPage(httpContext, ErrorFE.FEErrorCodes.NoFbaSSL);
}
ExTraceGlobals.VerboseTracer.TraceDebug <string>((long)this.GetHashCode(), "FbaFormPostProxyRequestHandler - redirecting to {0}", text);
base.PfdTracer.TraceRedirect("FbaAuth", text);
response.Redirect(FbaFormPostProxyRequestHandler.CheckRedirectUrlForNewline(text), false);
}