more features and fix database/mysql:jwt example

_examples/auth/basicauth/basic/main.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"github.com/kataras/iris/v12"
+	"github.com/kataras/iris/v12/middleware/basicauth"
+)
+
+func newApp() *iris.Application {
+	app := iris.New()
+
+	/*
+		opts := basicauth.Options{
+			Realm:  "Authorization Required",
+			MaxAge: 30 * time.Minute,
+			GC: basicauth.GC{
+				Every: 2 * time.Hour,
+			},
+			Allow: basicauth.AllowUsers(map[string]string{
+				"myusername":       "mypassword",
+				"mySecondusername": "mySecondpassword",
+			}),
+			MaxTries: 2,
+		}
+		auth := basicauth.New(opts)
+
+		OR simply:
+	*/
+
+	auth := basicauth.Default(map[string]string{
+		"myusername":       "mypassword",
+		"mySecondusername": "mySecondpassword",
+	})
+
+	// to global app.Use(auth) (or app.UseGlobal before the .Run)
+	// to routes
+	/*
+		app.Get("/mysecret", auth, h)
+	*/
+
+	app.Get("/", func(ctx iris.Context) { ctx.Redirect("/admin") })
+
+	// to party
+
+	needAuth := app.Party("/admin", auth)
+	{
+		//http://localhost:8080/admin
+		needAuth.Get("/", handler)
+		// http://localhost:8080/admin/profile
+		needAuth.Get("/profile", handler)
+
+		// http://localhost:8080/admin/settings
+		needAuth.Get("/settings", handler)
+
+		needAuth.Get("/logout", logout)
+	}
+
+	return app
+}
+
+func main() {
+	app := newApp()
+	// open http://localhost:8080/admin
+	app.Listen(":8080")
+}
+
+func handler(ctx iris.Context) {
+	// username, password, _ := ctx.Request().BasicAuth()
+	// third parameter it will be always true because the middleware
+	// makes sure for that, otherwise this handler will not be executed.
+	// OR:
+	user := ctx.User()
+	username, _ := user.GetUsername()
+	password, _ := user.GetPassword()
+	ctx.Writef("%s %s:%s", ctx.Path(), username, password)
+}
+
+func logout(ctx iris.Context) {
+	err := ctx.Logout() // fires 401, invalidates the basic auth.
+	if err != nil {
+		ctx.Application().Logger().Errorf("Logout error: %v", err)
+	}
+	ctx.Redirect("/admin", iris.StatusTemporaryRedirect)
+}