organise sessions examples

Former-commit-id: 682472d2cf4ebfc740687522fe5eef77b5bb1a72

_examples/sessions/overview/main.go

@@ -1,50 +1,31 @@
 package main
 
 import (
-	"github.com/kataras/iris/v12"
+	"time"
 
+	"github.com/kataras/iris/v12/_examples/sessions/overview/example"
 	"github.com/kataras/iris/v12/sessions"
 )
 
-var (
-	cookieNameForSessionID = "mycookiesessionnameid"
-	sess                   = sessions.New(sessions.Config{Cookie: cookieNameForSessionID, AllowReclaim: true})
-)
-
-func secret(ctx iris.Context) {
-	// Check if user is authenticated
-	if auth, _ := sess.Start(ctx).GetBoolean("authenticated"); !auth {
-		ctx.StatusCode(iris.StatusForbidden)
-		return
-	}
-
-	// Print secret message
-	ctx.WriteString("The cake is a lie!")
-}
-
-func login(ctx iris.Context) {
-	session := sess.Start(ctx)
-
-	// Authentication goes here
-	// ...
-
-	// Set user as authenticated
-	session.Set("authenticated", true)
-}
-
-func logout(ctx iris.Context) {
-	session := sess.Start(ctx)
-
-	// Revoke users authentication
-	session.Set("authenticated", false)
-}
-
 func main() {
-	app := iris.New()
-
-	app.Get("/secret", secret)
-	app.Get("/login", login)
-	app.Get("/logout", logout)
+	sess := sessions.New(sessions.Config{
+		// Cookie string, the session's client cookie name, for example: "_session_id"
+		//
+		// Defaults to "irissessionid"
+		Cookie: "_session_id",
+		// it's time.Duration, from the time cookie is created, how long it can be alive?
+		// 0 means no expire, unlimited life.
+		// -1 means expire when browser closes
+		// or set a value, like 2 hours:
+		Expires: time.Hour * 2,
+		// if you want to invalid cookies on different subdomains
+		// of the same host, then enable it.
+		// Defaults to false.
+		DisableSubdomainPersistence: false,
+		// Allow getting the session value stored by the request from the same request.
+		AllowReclaim: true,
+	})
 
+	app := example.NewApp(sess)
 	app.Listen(":8080")
 }