asp8.cs

[Route("api/[controller]")]
public class SecurityController : Controller
{
    private readonly IAntiforgery _antiforgery;
 
    public SecurityController(IAntiforgery antiforgery)
    {
        _antiforgery = antiforgery;
    }
 
   [HttpGet]
    public IActionResult Get()
    {
        var tokens = _antiforgery.GetAndStoreTokens(HttpContext);
 
        return new ObjectResult(new {
            token = tokens.RequestToken,
            tokenName = tokens.HeaderName
        });
    }
}