Using scs with Echo about scs HOT 7 CLOSED

package main

import (
    "context"
    "net/http"

    "github.com/labstack/echo"
)

func fooMiddleware(next http.Handler) http.Handler {
    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
        ctx := context.WithValue(r.Context(), "foo", "bar")
        next.ServeHTTP(w, r.WithContext(ctx))
    })
}

func main() {
    e := echo.New()
    e.Use(echo.WrapMiddleware(fooMiddleware))

    e.GET("/", func(c echo.Context) error {
        foo, ok := c.Request().Context().Value("foo").(string)
        if !ok {
            return c.String(http.StatusInternalServerError, "could not find foo")
        }

        return c.String(http.StatusOK, foo)
    })

    e.Start(":1323")
}

package main

import (
    "log"
    "net/http"

    "github.com/alexedwards/scs/engine/cookiestore"
    "github.com/alexedwards/scs/session"
    "github.com/labstack/echo"
    "github.com/labstack/echo/middleware"
)

// HMAC authentication key (hexadecimal representation of 32 random bytes)
var hmacKey = []byte("f71dc7e58abab014ddad2652475056f185164d262869c8931b239de52711ba87")

// AES encryption key (hexadecimal representation of 16 random bytes)
var blockKey = []byte("911182cec2f206986c8c82440adb7d17")

func main() {
    // Create a new keyset using your authentication and encryption secret keys.
    keyset, err := cookiestore.NewKeyset(hmacKey, blockKey)
    if err != nil {
        log.Fatal(err)
    }
    // Create a new CookieStore instance using the keyset.
    engine := cookiestore.New(keyset)
    sessionManager := session.Manage(engine)
    e := echo.New()
    e.Use(middleware.Logger())
    e.Use(middleware.Recover())
    e.Use(echo.WrapMiddleware(sessionManager))

    e.GET("/put", func(c echo.Context) error {
        err := session.PutString(c.Request(), "message", "Hello world!")
        if err != nil {
            http.Error(c.Response().Writer(), err.Error(), 500)
        }
        return c.String(http.StatusOK, "put")
    })
    e.GET("/get", func(c echo.Context) error {
        msg, err := session.GetString(c.Request(), "message")
        if err != nil {
            http.Error(c.Response().Writer(), err.Error(), 500)
        }
        return c.String(http.StatusOK, "result "+msg)
    })

    e.Start(":1323")
}