private static string[] ExtractCertificates(string jwt)
{
string[] certificates = new string[0];
if (!string.IsNullOrEmpty(jwt))
{
try
{
var parsedBody = JoseHelper.ExtractJosePart(jwt, 1);
var parsedCertificates = parsedBody["maa-policyCertificates"]["keys"].ToArray();
certificates = parsedCertificates.Select(c => c.ToString()).ToArray();
}
catch (Exception)
{
// Ignore on purpose
}
}
return(certificates);
}
private static (string algorithm, string jku) ExtractHeaders(string jwt)
{
var algorithm = "";
var jku = "";
if (!string.IsNullOrEmpty(jwt))
{
try
{
var parsedHeader = JoseHelper.ExtractJosePart(jwt, 0);
algorithm = parsedHeader["alg"].ToString();
jku = parsedHeader["jku"].ToString();
}
catch (Exception)
{
// Ignore on purpose
}
}
return(algorithm, jku);
}