protected static bool verified(IPinningInfo pin, RequestDigestSet requestDigestSet)
{
bool flag = false;
try
{
if (pin.getExpiration().CompareTo(DateTime.Now) <= 0)
{
return(false);
}
switch (pin.getMode())
{
case PinningMode.STRICT:
flag = pin.getCertificate().compareDigests(requestDigestSet.CertificateDigest);
break;
case PinningMode.PERMISSIVE:
flag = pin.getCertificate().compareDigests(requestDigestSet.CertificateDigest);
if (!flag)
{
logFailure(PinningMode.PERMISSIVE, PinningTarget.CERTIFICATE);
flag = pin.getSubject().compareDigests(requestDigestSet.SubjectDigest);
}
break;
case PinningMode.ADVISORY:
flag = pin.getCertificate().compareDigests(requestDigestSet.CertificateDigest);
if (!flag)
{
logFailure(PinningMode.ADVISORY, PinningTarget.CERTIFICATE);
flag = pin.getSubject().compareDigests(requestDigestSet.SubjectDigest);
if (!flag)
{
logFailure(PinningMode.ADVISORY, PinningTarget.SUBJECT);
}
}
break;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
UnityEngine.Debug.LogException(ex);
}
return(flag);
}
public static bool ThreadSafeBaseValidateCertificate(RequestDigestSet requestDigestSet, X509Certificate certificate, SslPolicyErrors sslPolicyError)
{
if (certificate != null)
{
DigestSet digestSet = new DigestSet();
byte[] rawCertData = certificate.GetRawCertData();
digestSet.setSha1(DigestHelper.sha1(rawCertData));
digestSet.setSha256(DigestHelper.sha256(rawCertData));
requestDigestSet.CertificateDigest = digestSet;
digestSet = new DigestSet();
rawCertData = certificate.GetPublicKey();
digestSet.setSha1(DigestHelper.sha1(rawCertData));
digestSet.setSha256(DigestHelper.sha256(rawCertData));
requestDigestSet.SubjectDigest = digestSet;
return(true);
}
return(false);
}
public static bool ThreadSafeValidateCertificate(IPinset pinset, HttpWebRequest httpWebRequest, X509Certificate certificate, SslPolicyErrors sslPolicyErrors)
{
try
{
RequestDigestSet requestDigestSet = new RequestDigestSet();
if (requestDigestSet.ValidateCertificate(certificate, sslPolicyErrors))
{
if (pinset == null)
{
return(sslPolicyErrors == SslPolicyErrors.None);
}
string text = httpWebRequest.RequestUri.ToString();
IList <IPinningInfo> pinningInfo = pinset.getPinningInfo(text);
bool result = true;
if (pinningInfo != null)
{
foreach (IPinningInfo item in pinningInfo)
{
if (verified(item, requestDigestSet))
{
return(true);
}
if (item.getMode() != PinningMode.ADVISORY)
{
result = false;
}
}
return(result);
}
UnityEngine.Debug.LogError("The URL '" + text + "' does not match any patterns in the certificate pinset file. The certificate it is presenting will not be trusted.");
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
UnityEngine.Debug.LogException(ex);
}
return(false);
}