ASP NET Web API session or something

Question

I need to store some information in session or in whatever in ASP NET Web API  that I need to retrieve in every API request   We will have one api IIS web site and multiple web site binding will be added through host header   When any request comes in for example  api xyz com  host header will be checked and store that website information in session that will be used in each subsequent api request when making a call to database     I know there is no support for session in ASP NET Web API   Is there any other way to handle this kind of situation   Where can I store information that can be retrieving in each subsequent request   thanks

User · Answer

You can use cookies if the data is small enough and does not present a security concern. The same HttpContext.Current based approach should work.

Request and response HTTP headers can also be used to pass information between service calls.

User · Answer

in Global asax add   public override void Init         this PostAuthenticateRequest    MvcApplication PostAuthenticateRequest      base Init       void MvcApplication PostAuthenticateRequest object sender  EventArgs e        System Web HttpContext Current SetSessionStateBehavior          SessionStateBehavior Required       give it a shot

User · Answer

Well  REST by design is stateless  By adding session  or anything else of that kind  you are making it stateful and defeating any purpose of having a RESTful API   The whole idea of RESTful service is that every resource is uniquely addressable using a universal syntax for use in hypermedia links and each HTTP request should carry enough information by itself for its recipient to process it to be in complete harmony with the stateless nature of HTTP    So whatever you are trying to do with Web API here  should most likely be re-architectured if you wish to have a RESTful API    With that said  if you are still willing to go down that route  there is a hacky way of adding session to Web API  and it s been posted by Imran here http   forums asp net t 1780385 aspx 1  Code  though I wouldn t really recommend that    public class MyHttpControllerHandler     HttpControllerHandler  IRequiresSessionState       public MyHttpControllerHandler RouteData routeData   base routeData             public class MyHttpControllerRouteHandler   HttpControllerRouteHandler       protected override IHttpHandler GetHttpHandler RequestContext requestContext                return new MyHttpControllerHandler requestContext RouteData            public class ValuesController   ApiController      public string GET string input              var session   HttpContext Current Session         if  session    null                      if  session  Time      null                              session  Time     DateTime Now                          return  Session Time      session  Time     input                  return  Session is not availabe    input            and then add the HttpControllerHandler to your API route   route RouteHandler   new MyHttpControllerRouteHandler

User · Answer

Now in 2017 with ASP Net Core you can do it as explained here   The Microsoft AspNetCore Session package provides middleware for managing session state   Startup cs  public void ConfigureServices IServiceCollection services         Adds a default in-memory implementation of IDistributedCache      services AddDistributedMemoryCache         services AddSession options   gt                   Set a short timeout for easy testing          options IdleTimeout   TimeSpan FromSeconds 10           options Cookie HttpOnly   true             public void Configure IApplicationBuilder app  IHostingEnvironment env        app UseSession        From the Docs  Introduction to session and application state in ASP NET Core  Already tested on a working project

User · Answer

In WebApi 2 you can add this to global asax  protected void Application PostAuthorizeRequest          System Web HttpContext Current SetSessionStateBehavior System Web SessionState SessionStateBehavior Required       Then you could access the session through   HttpContext Current Session

[session] ASP.NET Web API session or something?

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