How to generate a refresh token in Net6 project?

Hi,

Do refer below link

https://www.c-sharpcorner.com/article/jwt-authentication-with-refresh-tokens-in-net-6-0/#:~:text=We%20can%20create%20a%20new%20folder%20%E2%80%9CAuth%E2%80%9D%20and%20create%20%E2%80%9C,authentication%20under%20the%20Auth%20folder.&text=In%20the%20above%20class%2C%20we,and%20refresh%20token%20expiry%20time.

public async Task OnAuthorizationAsync(AuthorizationFilterContext context)
   {
      var accessToken = await GetAccessTokenAsync(context);
      var userRights = await rightsService.GetUserRights(accessToken);
      if (userRights == null || !userRights.Contains(rightId))
         context.Result = new ForbidResult();
   }

private async Task GetAccessTokenAsync(AuthorizationFilterContext context)
   {
      var filteredIdentities = _identitiesConfiguration
          .Where(x => x != null)
          .Distinct()
          .Select((_, i) => $"Bearer{i}")
          .ToArray();

      var token = string.Empty;

      foreach (var filteredIdentity in filteredIdentities)
      {
         try
         {
            token = await context.HttpContext.GetTokenAsync(filteredIdentity, "access_token");

            if (!string.IsNullOrEmpty(token))
            {
               break;
            }
}
         catch (Exception)
         {
            // Empty
         }
      }

      if (string.IsNullOrEmpty(token))
      {
         throw new UnauthorizedAccessException("The token for checking the application rights is not set or has expired.");
      }

      return token;
   }