Biskilog_Accounting/Client/Layouts/MainLayout.razor.cs

using System.Net.Http.Headers;

namespace Biskilog_Accounting.Client.Layouts
{
    public partial class MainLayout
    {
        protected override Task OnInitializedAsync()
        {
            CheckPermission();
            return base.OnInitializedAsync();
        }
        protected override void OnAfterRender(bool firstRender)
        {
            if (firstRender)
            {
                CheckPermission();
            }
            base.OnAfterRender(firstRender);
        }
        private async void CheckPermission()
        {
            //Checks if user token is set else redirect user to login page
            if (!await m_tokenService.IsTokenSet())
            {
                m_navigationManager.NavigateTo("/login");
            }
            else
            {
                string token = await m_tokenService.GetToken();
                var authHeader = new AuthenticationHeaderValue("Bearer", token.Substring(6).Trim());
                m_http.DefaultRequestHeaders.Authorization = authHeader;
            }
        }
    }
}