internal static PythonDictionary CertificateToPython(CodeContext context, X509Certificate2 cert)
{
var dict = new CommonDictionaryStorage();
dict.AddNoLock("notAfter", ToPythonDateFormat(cert.NotAfter));
dict.AddNoLock("subject", IssuerToPython(context, cert.Subject));
dict.AddNoLock("notBefore", ToPythonDateFormat(cert.NotBefore));
dict.AddNoLock("serialNumber", SerialNumberToPython(cert));
dict.AddNoLock("version", cert.Version);
dict.AddNoLock("issuer", IssuerToPython(context, cert.Issuer));
AddSubjectAltNames(dict, cert);
return(new PythonDictionary(dict));
string ToPythonDateFormat(DateTime date)
{
var dateStr = date.ToUniversalTime().ToString("MMM dd HH:mm:ss yyyy", CultureInfo.InvariantCulture) + " GMT";
if (dateStr[4] == '0')
{
dateStr = dateStr.Substring(0, 4) + " " + dateStr.Substring(5); // CPython uses leading space
}
return(dateStr);
}
}
private static void AddSubjectAltNames(CommonDictionaryStorage dict, X509Certificate2 cert2)
{
foreach (var extension in cert2.Extensions)
{
if (extension.Oid.Value != "2.5.29.17") // Subject Alternative Name
{
continue;
}
var altNames = new List <object>();
var sr = new StringReader(extension.Format(true));
// The string generated by format varies depending on the platform, for example:
// - On Windows, one entry per line:
// DNS Name=www.python.org
// DNS Name=pypi.python.org
// - On Mac/Linux (.NET Core), multiple entries on a single line:
// DNS:www.python.org, DNS:pypi.python.org
string line;
while (null != (line = sr.ReadLine()))
{
line = line.Trim();
// On Linux and Mac (.NET Core), Format produces a string matching the OpenSSL format which may contain multiple entries:
foreach (var val in line.Split(','))
{
var keyValue = val.Split(new char[] { ':', '=' });
// On Windows, Format produces different results based on the locale so we can't check for a specific key
if (keyValue[0].Contains("DNS") && keyValue.Length == 2)
{
altNames.Add(PythonTuple.MakeTuple("DNS", keyValue[1]));
}
}
}
dict.AddNoLock("subjectAltName", PythonTuple.MakeTuple(altNames.ToArray()));
break;
}
}
private static void AddSubjectAltNames(CommonDictionaryStorage dict, X509Certificate2 cert2)
{
foreach (var extension in cert2.Extensions)
{
if (extension.Oid.Value != "2.5.29.17") // Subject Alternative Name
{
continue;
}
var altNames = new List <object>();
var sr = new StringReader(extension.Format(true));
string line;
while (null != (line = sr.ReadLine()))
{
line = line.Trim();
var keyValue = line.Split('=');
// Format produces different results based on the locale so we can't check for a specific key
if (keyValue[0].Contains("DNS") && keyValue.Length == 2)
{
altNames.Add(PythonTuple.MakeTuple("DNS", keyValue[1]));
}
}
dict.AddNoLock("subjectAltName", PythonTuple.MakeTuple(altNames.ToArray()));
break;
}
}
internal static PythonDictionary CertificateToPython(CodeContext context, X509Certificate2 cert, bool complete) {
var dict = new CommonDictionaryStorage();
dict.AddNoLock("notAfter", ToPythonDateFormat(cert.NotAfter.ToString()));
dict.AddNoLock("subject", IssuerToPython(context, cert.Subject));
if (complete) {
dict.AddNoLock("notBefore", ToPythonDateFormat(cert.NotBefore.ToString()));
dict.AddNoLock("serialNumber", SerialNumberToPython(cert));
dict.AddNoLock("version", cert.GetCertHashString());
dict.AddNoLock("issuer", IssuerToPython(context, cert.Issuer));
AddSubjectAltNames(dict, cert);
}
return new PythonDictionary(dict);
}
private static void AddSubjectAltNames(CommonDictionaryStorage dict, X509Certificate2 cert2) {
foreach (var extension in cert2.Extensions) {
if (extension.Oid.Value != "2.5.29.17") { // Subject Alternative Name
continue;
}
var altNames = new List<object>();
var sr = new StringReader(extension.Format(true));
string line;
while (null != (line = sr.ReadLine())) {
line = line.Trim();
var keyValue = line.Split('=');
if (keyValue[0] == "DNS Name" && keyValue.Length == 2) {
altNames.Add(PythonTuple.MakeTuple("DNS", keyValue[1]));
}
}
dict.AddNoLock("subjectAltName", PythonTuple.MakeTuple(altNames.ToArray()));
break;
}
}
private MSAst.Expression ReduceConstant()
{
for (int index = 0; index < _items.Length; index++)
{
SliceExpression slice = _items[index];
if (!slice.SliceStop.IsConstant || !slice.SliceStart.IsConstant)
{
return(null);
}
}
CommonDictionaryStorage storage = new CommonDictionaryStorage();
for (int index = 0; index < _items.Length; index++)
{
SliceExpression slice = _items[index];
storage.AddNoLock(slice.SliceStart.GetConstantValue(), slice.SliceStop.GetConstantValue());
}
return(Ast.Call(AstMethods.MakeConstantDict, Ast.Constant(new ConstantDictionaryStorage(storage), typeof(object))));
}
