使用ASP.Net MVC5轻松登录

Question

I have been trying to get my head around OWIN and Identity to get it play well with my Existing app. The application was coded in Plain ASP.Net and I want to port it to MVC to organize it better. The app have established database including Users table so using Identity table is not option. The wall I hit with Identity is that it requires Email and my system is NOT supposed to demand user email. After trying almost everything (days reading almost every answer on the subject) I have come to conclusion that it will take more time to get it done, and that brings me to my question.

Being PHP guy (jumped to ASP.Net not long ago) I could easily make a working login in 10minutes and now I need a thing like it, something like

$user = User::findByUserName($username); //somehow here I find user from database
if($user!=null)
{
    $_SESSION['isLoggedIn'] = true;
    $_SESSION['fullname'] = $user->fullName;
}
else
{
    //redirect to login with error
}

I cannot find a session class in MVC5. Is that even possible? If no, is there a simple route to solve my issue?

Answer 1

The most common way to cache is to either place it in the 'Global' server cache or place it in the session. There are other ways to save state and I would recommend looking into alternatives as the techniques below use the System.Web namespace. System.Web will not be included in MVC6 .

Global Cache

//Save User
System.Web.HttpContext.Current.Cache.Insert(
                       "CurrentUser", 
                        User, 
                        null, 
                        System.Web.Caching.Cache.NoAbsoluteExpiration, 
                        new TimeSpan(0,20,0), 
                        System.Web.Caching.CacheItemPriority.Normal, 
                        null);       
//Get User   
User user=(User)System.Web.HttpContext.Current.Cache["CurrentUser"];

Session Cache

//Save User   
HttpContext.Current.Session.Add("CurrentUser",User); 

//Get User
User=(User)HttpContext.Current.Session["CurrentUser"];

Answer 2

you could basically tell owin manuelly to authenticate the user without using the identity-stuff (i dont like it either, at least for small projects). Then you could easily use the default authorize anotation Heres a tutorial: OWIN AUTH