Module.AdminModules/Server/Startup/DataProtectionTokenProviderOptionsConfigurator.cs

using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SZUAbsolventenverein.Module.AdminModules.Models;
using SZUAbsolventenverein.Module.AdminModules.Repository;

namespace SZUAbsolventenverein.Module.AdminModules.Server.Startup
{
    public class DataProtectionTokenOptionsConfigurator : IConfigureOptions<DataProtectionTokenProviderOptions>
    {
        private readonly IAdminSettingsRepository _repo;

        public DataProtectionTokenOptionsConfigurator(IAdminSettingsRepository repo)
        {
            _repo = repo;
        }

        public void Configure(DataProtectionTokenProviderOptions options)
        {
            // default fallback
            options.TokenLifespan = TimeSpan.FromHours(2);

            try
            {
                Console.WriteLine("Setting DPTPO: ");
                AdminSetting settings = _repo.GetAdminSetting();
                Console.WriteLine("Setting DPTPO: " + settings);
                if (settings != null && settings.TokenLifetime > 0)
                {
                    Console.WriteLine("Setting DPTPO: " + settings.TokenLifetime);
                    options.TokenLifespan = TimeSpan.FromDays(settings.TokenLifetime);
                }
            }
            catch
            {
                // DB not ready / read failed — keep default
            }
        }
    }
}