Change project to 3-Layer structure

UI/Pages/Login.cshtml.cs

@@ -0,0 +1,82 @@
+using Microsoft.AspNetCore.Authentication.Cookies;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using System.Net;
+using System.Security.Claims;
+using System.Text;
+
+namespace MTWireGuard.Pages
+{
+    [IgnoreAntiforgeryToken(Order = 1001)]
+    public class LoginModel : PageModel
+    {
+        public IActionResult OnGet()
+        {
+            if (HttpContext.User.Identity.IsAuthenticated)
+            {
+                return RedirectToPage("Index");
+            }
+            return Page();
+        }
+
+        public async Task<IActionResult> OnPostAsync(string username, string password)
+        {
+            try
+            {
+                string MT_IP = Environment.GetEnvironmentVariable("MT_IP");
+                string MT_USER = Environment.GetEnvironmentVariable("MT_USER");
+                string MT_PASS = Environment.GetEnvironmentVariable("MT_PASS");
+
+                if (username == MT_USER && password == MT_PASS)
+                {
+                    HttpClientHandler handler = new()
+                    {
+                        ServerCertificateCustomValidationCallback = delegate { return true; }
+                    };
+                    using HttpClient httpClient = new(handler);
+                    using var request = new HttpRequestMessage(new HttpMethod("GET"), $"https://{MT_IP}/rest/");
+                    string base64authorization = Convert.ToBase64String(Encoding.ASCII.GetBytes($"{MT_USER}:{MT_PASS}"));
+                    request.Headers.TryAddWithoutValidation("Authorization", $"Basic {base64authorization}");
+
+                    HttpResponseMessage response = await httpClient.SendAsync(request);
+                    var resp = await response.Content.ReadAsStringAsync();
+
+                    var claims = new List<Claim>
+                    {
+                        new Claim(ClaimTypes.Role, "Administrator"),
+                    };
+
+                    var claimsIdentity = new ClaimsIdentity(
+                        claims, CookieAuthenticationDefaults.AuthenticationScheme);
+
+                    var authProperties = new AuthenticationProperties
+                    {
+                        AllowRefresh = true,
+                        IsPersistent = true
+                    };
+
+                    var claimsPrincipal = new ClaimsPrincipal(claimsIdentity);
+                    await HttpContext.SignInAsync(
+                        CookieAuthenticationDefaults.AuthenticationScheme,
+                        claimsPrincipal,
+                        authProperties);
+                    HttpContext.User = claimsPrincipal;
+
+                    return RedirectToPage("Index");
+                }
+                else
+                {
+                    ViewData["Username"] = username;
+                    ViewData["Invalid"] = true;
+                }
+            }
+            catch (Exception ex)
+            {
+                ViewData["body"] = ex.Message;
+                Console.WriteLine(ex.Message);
+            }
+            return Page();
+        }
+    }
+}