firefly-iii/app/Providers/FireflySessionProvider.php

<?php
/**
 * FireflySessionProvider.php
 * Copyright (c) 2017 thegrumpydictator@gmail.com
 * This software may be modified and distributed under the terms of the Creative Commons Attribution-ShareAlike 4.0 International License.
 *
 * See the LICENSE file for details.
 */

declare(strict_types = 1);

namespace FireflyIII\Providers;

use FireflyIII\Http\Middleware\StartFireflySession;
use Illuminate\Session\SessionManager;
use Illuminate\Support\ServiceProvider;

class FireflySessionProvider extends ServiceProvider
{
    /**
     * Register the service provider.
     *
     * @return void
     */
    public function register()
    {
        $this->registerSessionManager();

        $this->registerSessionDriver();

        $this->app->singleton(StartFireflySession::class);
    }

    /**
     * Register the session driver instance.
     *
     * @return void
     */
    protected function registerSessionDriver()
    {
        $this->app->singleton(
            'session.store', function ($app) {
            // First, we will create the session manager which is responsible for the
            // creation of the various session drivers when they are needed by the
            // application instance, and will resolve them on a lazy load basis.
            return $app->make('session')->driver();
        }
        );
    }

    /**
     * Register the session manager instance.
     *
     * @return void
     */
    protected function registerSessionManager()
    {
        $this->app->singleton(
            'session', function ($app) {
            return new SessionManager($app);
        }
        );
    }
}