passwordless sign in for admin

src/Admin/Controllers/HomeController.cs

@@ -1,13 +1,14 @@
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using Microsoft.AspNetCore.Mvc;
 using Bit.Admin.Models;
+using Microsoft.AspNetCore.Authorization;
 
 namespace Bit.Admin.Controllers
 {
     public class HomeController : Controller
     {
+        [Authorize]
         public IActionResult Index()
         {
             return View();

src/Admin/Controllers/LoginController.cs

@@ -0,0 +1,48 @@
+using System.Threading.Tasks;
+using Bit.Admin.Models;
+using Bit.Core.Identity;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Bit.Admin.Controllers
+{
+    public class LoginController : Controller
+    {
+        private readonly PasswordlessSignInManager<IdentityUser> _signInManager;
+
+        public LoginController(
+            PasswordlessSignInManager<IdentityUser> signInManager)
+        {
+            _signInManager = signInManager;
+        }
+
+        public IActionResult Index()
+        {
+            return View();
+        }
+
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Index(LoginModel model)
+        {
+            if(ModelState.IsValid)
+            {
+                await _signInManager.PasswordlessSignInAsync(model.Email);
+                return RedirectToAction("Index", "Home");
+            }
+
+            return View(model);
+        }
+
+        public async Task<IActionResult> Confirm(string email, string token)
+        {
+            var result = await _signInManager.PasswordlessSignInAsync(email, token, false);
+            if(!result.Succeeded)
+            {
+                return View("Error");
+            }
+
+            return RedirectToAction("Index", "Home");
+        }
+    }
+}