public async Task <string> GenerateRefreshToken(string sub)
{
//Save new refresh token in db
var refreshKey = Guid.NewGuid().ToString();
var expires = Clock.InUtc()
.GetCurrentInstant()
.Plus(Duration.FromMinutes(_refreshTimeout));
var refreshToken = await _refreshTokenRepository.CreateNewToken(refreshKey, sub, expires);
//refresh claims
var claims = new List <Claim>
{
new Claim("sub", refreshToken.Sub),
new Claim("refresh_key", refreshKey)
};
//generate jwt
return(CreateToken(claims, Clock.InUtc().GetCurrentInstant(), expires, _refreshSecret));
}
