public bool IsTokenValid(string accessToken)
{
if (!string.IsNullOrEmpty(accessToken) && !string.IsNullOrWhiteSpace(accessToken))
{
try
{
var parser = new JsonWebToken <AccessTokenPayload> .Parser(accessToken);
var payload = parser.GetPayload();
var sign = HashSignatureProvider.CreateHS256(secret);
var isValid = parser.Verify(sign);
var remainingExpDurationS = (payload.ExpirationDate - DateTime.UtcNow).TotalSeconds;
if (isValid && remainingExpDurationS > 0)
{
return(true);
}
}
catch
{
return(false);
}
}
return(false);
}
public string GenerateAccessToken(AccessTokenPayload tokenPayload)
{
var sign = HashSignatureProvider.CreateHS256(secret);
var jwt = new JsonWebToken <AccessTokenPayload>(tokenPayload, sign);
var str = jwt.ToEncodedString();
return(str);
}
public Startup(IConfiguration configuration)
{
Configuration = configuration;
string line;
using (StreamReader sr = new StreamReader("Questions.json"))
{
// Read the stream to a string, and write the string to the console.
line = sr.ReadToEnd();
}
sign = HashSignatureProvider.CreateHS512("upoOddMBrzPEoqlNk7EQrrw9Uqr_cK8Xpp-sI40HYTdflX8hBJsGynX_VLOyN8pAnwN9ILf5jFqz0pjf5YkBDRBwoOJg_O6arngYqgjPO0JSdIfh1GGn1s1UcCkT_rKIb06smL85rn7s9QjhlAN8uvrwm9rIxaMbsMqxZAwb6iNC8F00hqQ2AhDY1Jm48kHAyPUgXgSpahkHiy2six8JsnQknEGAJDNc0wDp2PPedfQUIu-qndpIOeixaesrg9KoATpaRlj1TTlg9ul_LOHbafQZ2Hq1qZHA-OgannyDLP0VTLbyHXIOiesuxvuBvDnQgdGirk96qPoBwWYkVZsW4g");
quiz = Quiz.FromJson(line);
}
/// <summary>
/// Creates a hash signature.
/// </summary>
/// <returns>HashSignatureProvider created from non-null environment value of "JWT_SECRET", or literal "secret"</returns>
private HashSignatureProvider Signature()
{
var secret = Environment.GetEnvironmentVariable("JWT_SECRET");
return(HashSignatureProvider.CreateHS256(secret ?? "secret"));
}
public override void Process()
{
var codeTokenReq = new CodeTokenRequest(new CodeTokenRequestBody
{
Code = "hijklmn\r\nopq\trst"
}, "abcd", "efg")
{
ScopeString = "test plain"
};
var tokenUrl = codeTokenReq.ToJsonString();
codeTokenReq = CodeTokenRequest.Parse(tokenUrl);
tokenUrl = codeTokenReq.ToQueryData().ToString();
codeTokenReq = CodeTokenRequest.Parse(tokenUrl);
tokenUrl = codeTokenReq.ToJsonString();
codeTokenReq = CodeTokenRequest.Parse(tokenUrl);
ConsoleLine.WriteLine(codeTokenReq.ToQueryData().ToString());
ConsoleLine.WriteLine();
// JWT HS512
var hs = HashSignatureProvider.CreateHS512("a secret string");
var jwt = new JsonWebToken <HttpClientVerb.NameAndDescription>(new HttpClientVerb.NameAndDescription
{
Name = "abcd",
Description = "efg"
}, hs);
var header = jwt.ToAuthenticationHeaderValue();
jwt = JsonWebToken <HttpClientVerb.NameAndDescription> .Parse(header.ToString(), hs);
var jwtStr = jwt.ToEncodedString();
ConsoleLine.WriteLine(jwtStr != header.Parameter ? "Failed JWT HS512 testing." : jwtStr);
ConsoleLine.WriteLine();
// RSA.
var rsa = RSA.Create();
var privateKey = rsa.ExportParameters(true).ToPrivatePEMString(true);
ConsoleLine.WriteLine(privateKey);
var publicKey = rsa.ExportParameters(false).ToPublicPEMString();
ConsoleLine.WriteLine(publicKey);
var privateKeyP = RSAParametersConvert.Parse(privateKey).Value;
var privateKeyS = privateKeyP.ToPrivatePEMString(true);
var publicKeyP = RSAParametersConvert.Parse(publicKey).Value;
var publicKeyS = publicKeyP.ToPublicPEMString();
ConsoleLine.WriteLine("They are {0}.", (privateKey == privateKeyS) && (publicKey == publicKeyS) ? "same" : "different");
ConsoleLine.WriteLine();
// JWT RS512
using (var rs = RSASignatureProvider.CreateRS512(rsa))
{
jwt = new JsonWebToken <HttpClientVerb.NameAndDescription>(jwt.Payload, rs);
header = jwt.ToAuthenticationHeaderValue();
jwt = JsonWebToken <HttpClientVerb.NameAndDescription> .Parse(header.ToString(), rs);
jwtStr = jwt.ToEncodedString();
ConsoleLine.WriteLine(jwtStr != header.Parameter ? "Failed JWT RS512 testing." : header.Parameter);
ConsoleLine.WriteLine();
}
}
