using System;

using System.Data;

using System.Linq;

​

using Microsoft.AspNetCore.DataProtection;

using Newtonsoft.Json;

​

​

public class Program

{

    public static void Main()

    {

        var dataProtectionProvider = DataProtectionProvider.Create("Erpa.Pay")

                                                       .CreateProtector("Erpa.Pay.Cryptography")

                                                       .ToTimeLimitedDataProtector();

        var sessionToken = new SessionToken{

            Id = 1,

            CreatedAt = DateTime.UtcNow,

            ExpiredAt = null,

            IsActive = true,

            MembershipId = 1,

            DeviceId = 1,

            IPAddress = "1.1.1.1",

            Token = Guid.NewGuid()            

        };

​

        var sessionTokenJson = JsonConvert.SerializeObject(sessionToken, Newtonsoft.Json.Formatting.Indented);

​

        Console.WriteLine("Session token serialized to json: \n"+sessionTokenJson + "\n");

​

        var protectedToken = dataProtectionProvider.Protect(sessionTokenJson);

​

        Console.WriteLine("PROTECTED:" + protectedToken + "\n");

​

​

        var unprotectedTokenJson = dataProtectionProvider.Unprotect(protectedToken);

        Console.WriteLine($"UNPROTECTD: \n{unprotectedTokenJson}\n");

​

        var session = JsonConvert.DeserializeObject<SessionToken>(unprotectedTokenJson);

​

        Console.WriteLine("Back to SessionToken\n");

​

        session.GetType()

               .GetProperties()

               .Select(x => $"{x.Name}: {x.GetValue(session)}")

               .ToList()

               .ForEach(Console.WriteLine);

​

    }

    public class SessionToken

    {

        public long Id { get; set; }

        public Guid Token { get; set; }

        public DateTime? ExpiredAt { get; set; }

        public bool IsActive { get; set; }

        public long MembershipId { get; set; }

        public long DeviceId { get; set; }

        public DateTime CreatedAt { get; set; }

        public string IPAddress { get; set; }

    }

}