public void ConfigureAuth(IAppBuilder app)
{
//configure the DbContext , user manager and role manager to use a single instance per request
app.CreatePerOwinContext(ApplicationDbContext.Create);
app.CratePerOwinContext<ApplicationUserManager>(ApplicationUserManager.Create);
app.CreatePerOwinContext<ApplicationRoleManager>(ApplicationRoleManager.Create);
app.CreatePerOwinContext<ApplicationSignInManager>(ApplicationSignInManager.Create);
//Enalbe the application to use coolie to store information for signed in user
//and to use a cookie to temporarily store information about user logging in with a third party login provider
//confiugure the sign in cookie
app.UseCookieAuthentification(new CookieAuthentica tionOptions
{
AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
LoginPath = new PathString("/Account/Login"),
Provider = new CookieAuthenticationProvider
{
//Enables the application to validate the security stamps the user logs in
OnValidateIdentity = SecurityStampValidator.OnvalidateIndetity<ApplicationUserManager, ApplicationUser>(
validateInterval:TimeSpan.FromMinutes(30);
regenerateIdentiy:(manager, user ) =>user.GenerateuserIdentityAsync(manager))
});