void client_CertificateReceived(object sender, ComponentPro.Security.CertificateReceivedEventArgs e)
{
CertValidator dlg = new CertValidator();
CertificateVerificationStatus status = e.Status;
CertificateVerificationStatus[] values = (CertificateVerificationStatus[])Enum.GetValues(typeof(CertificateVerificationStatus));
StringBuilder sbIssues = new StringBuilder();
bool showAddTrusted = false;
for (int i = 0; i < values.Length; i++)
{
// Matches the validation status?
if ((status & values[i]) == 0)
{
continue;
}
// The issue is processed.
status ^= values[i];
sbIssues.AppendFormat("{0}\r\n", GetCertProblem(values[i], e.ErrorCode, ref showAddTrusted));
}
dlg.Certificate = e.ServerCertificates[0];
dlg.Issues = sbIssues.ToString();
dlg.ShowAddToTrustedList = showAddTrusted;
dlg.ShowDialog();
e.AddToTrustedRoot = dlg.AddToTrustedList;
e.Accept = dlg.Accepted;
}
/// <summary>
/// Returns all issues of the given certificate.
/// </summary>
private static string GetCertProblem(CertificateVerificationStatus status, int code, ref bool showAddTrusted)
{
switch (status)
{
case CertificateVerificationStatus.TimeNotValid:
return("Server's certificate has expired or is not valid yet.");
case CertificateVerificationStatus.Revoked:
return("Server's certificate has been revoked.");
case CertificateVerificationStatus.UnknownCA:
return("Server's certificate was issued by an unknown authority.");
case CertificateVerificationStatus.RootNotTrusted:
showAddTrusted = true;
return("Server's certificate was issued by an untrusted authority.");
case CertificateVerificationStatus.IncompleteChain:
return("Server's certificate does not chain up to a trusted root authority.");
case CertificateVerificationStatus.Malformed:
return("Server's certificate is malformed.");
case CertificateVerificationStatus.CNNotMatch:
return("Server hostname does not match the certificate.");
case CertificateVerificationStatus.UnknownError:
return(string.Format("Error {0:x} encountered while validating server's certificate.", code));
default:
return(status.ToString());
}
}
