internal static void RaiseOnCertificateIssue(object sender, CertificateIssueCancelEventArgs e)
{
string url = e.WebRequest.RequestUri.CanonicalizedUri();
ICollection trusted = null;
if (_trustedCertificateIssues != null)
{
lock (_trustedCertificateIssues)
{
if (_trustedCertificateIssues.ContainsKey(url))
{
trusted = (ICollection)_trustedCertificateIssues[url];
}
}
}
if (trusted != null && trusted.Count > 0)
{
if (trusted.Cast <CertificateIssue>().Any(trustedIssue => trustedIssue == e.CertificateIssue))
{
e.Cancel = false; // is an yet accepted certificate isse
return;
}
}
var handler = OnCertificateIssue;
if (handler != null)
{
try
{
handler(sender, e);
}
catch (Exception ex)
{
Log.Error("OnCertificateIssue() event impl. caused an error", ex);
}
}
}
// this is marked obsolete by MS in the CLR 2.0
public bool CheckValidationResult(ServicePoint sp, X509Certificate cert, WebRequest req, int problem)
{
try
{
if (problem != 0)
{
// move bits around to get it casted from an signed int to a normal long enum type:
CertificateIssue issue = (CertificateIssue)(((problem << 1) >> 1) + 0x80000000);
// this is marked obsolete by MS in the CLR 2.0
// It seems also they has broken the old impl., we don't get a valid cert object now (handle is 0) on WinXP SP2
// via parameter, so we now use that of the servicepoint as a workaround:
CertificateIssueCancelEventArgs args = new CertificateIssueCancelEventArgs(issue, sp.Certificate, req, true);
AsyncWebRequest.RaiseOnCertificateIssue(sp, args);
return(!args.Cancel);
}
}
catch (Exception ex)
{
Trace.WriteLine("TrustSelectedCertificatePolicy.CheckValidationResult() error: " + ex.Message);
}
// The 1.1 framework calls this method with a problem of 0, even if nothing is wrong
return(problem == 0);
}