Configure tolken provider

InventoryTraker.Web/Identity/ApplicationUserManager.cs

@@ -1,11 +1,14 @@
+using System;
 using InventoryTraker.Web.Core;
 using Microsoft.AspNet.Identity;
+using Microsoft.AspNet.Identity.Owin;
+using Microsoft.Owin.Security.DataProtection;
 
 namespace InventoryTraker.Web.Identity
 {
 	public class ApplicationUserManager : UserManager<User>
 	{
-		public ApplicationUserManager(IUserStore<User> store)
+		public ApplicationUserManager(IUserStore<User> store, IDataProtectionProvider dataProtectionProvider)
 			: base(store)
 		{
 			UserValidator = new UserValidator<User>(this)
@@ -13,6 +16,15 @@ namespace InventoryTraker.Web.Identity
 				AllowOnlyAlphanumericUserNames = false,
 				RequireUniqueEmail = true
 			};
+
+			if (dataProtectionProvider != null)
+			{
+				var dataProtector = dataProtectionProvider.Create("Protector");
+				UserTokenProvider = new DataProtectorTokenProvider<User, string>(dataProtector)
+				{
+					TokenLifespan = TimeSpan.FromHours(1),
+				};
+			}
 		}
 	}
 }