BulkPrintingAPI/BulkPrintingAPI/Configuration/TokenAuthent...

using Microsoft.Extensions.Configuration;
using Microsoft.IdentityModel.Tokens;
using System;
using System.Threading.Tasks;

namespace BulkPrintingAPI.Configuration
{
    public class TokenAuthenticationOptions
    {
        public TokenAuthenticationOptions(IConfiguration configuration)
        {
            Issuer = configuration.GetValue("Issuer", "bulk");
            Audience = configuration.GetValue("Audience", "bulk");
            Lifetime = TimeSpan.FromSeconds(configuration.GetValue("TokenLifetime", 600));
            Key = new SymmetricSecurityKey(DataEncryptionOptions.DeriveKey(configuration, "Key")
                .GetBytes(32));
            SigningCredentials = new SigningCredentials(Key, SecurityAlgorithms.HmacSha256);
            EncryptingCredentials = new EncryptingCredentials(Key, "dir",
                SecurityAlgorithms.Aes128CbcHmacSha256);
        }

        public string Issuer { get; set; }

        public string Audience { get; set; }

        public TimeSpan Lifetime { get; set; }

        public SecurityKey Key { get; set; }

        public SigningCredentials SigningCredentials { get; set; }

        public EncryptingCredentials EncryptingCredentials { get; set; }

        public Func<Task<string>> NonceGenerator { get; set; }
            = () => Task.FromResult(Guid.NewGuid().ToString());
    }
}