Use JWT Authentication middleware with ZF Expressive

index.php

<?php

use Zend\Expressive\AppFactory;
use Firebase\JWT\JWT;
use Slim\Middleware\JwtAuthentication;

chdir(dirname(__DIR__));
require "vendor/autoload.php";

$app = AppFactory::create();

$app->get("/", function ($request, $response, $next) {
    $response->getBody()->write("Hello, world!");
    return $response;
});

$app->get("/ping", function ($request, $response, $next) {
    $response->getBody()->write("pong");
    return $response;
});

$app->get("/api", function ($request, $response, $next) {
    $response->getBody()->write("api");
    return $response;
});


$app->post("/token", function ($request, $response, $arguments) {
    $now = new DateTime();
    $future = new DateTime("now +2 hours");
    $server = $request->getServerParams();

    $jti = "LAKSJLASJDALSDJ";

    $payload = [
        "iat" => $now->getTimeStamp(),
        "exp" => $future->getTimeStamp(),
        "jti" => $jti
    ];

    $secret = "supersecretkeyyoushouldnotcommittogithub";
    $token = JWT::encode($payload, $secret, "HS256");
    $data["status"] = "ok";
    $data["token"] = $token;

    return $response->withStatus(201)
        ->withHeader("Content-Type", "application/json")
        ->write(json_encode($data, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
});

$app->pipe(new JwtAuthentication([
    "secret" => "supersecretkeyyoushouldnotcommittogithub",
    "path" => ["/"],
    "passthrough" => ["/token", "/ping"],
    "error" => function ($request, $response, $arguments) {
        $data["status"] = "error";
        $data["message"] = $arguments["message"];
        return $response
            ->withHeader("Content-Type", "application/json")
            ->write(json_encode($data, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
    }
]));
$app->pipeRoutingMiddleware();
$app->pipeDispatchMiddleware();

$app->run();