snipe-it/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use App\Models\Accessory;
use App\Models\Asset;
use App\Models\Component;
use App\Models\Consumable;
use App\Models\License;
use App\Models\Setting;
use App\Observers\AccessoryObserver;
use App\Observers\AssetObserver;
use App\Observers\ComponentObserver;
use App\Observers\ConsumableObserver;
use App\Observers\LicenseObserver;
use App\Observers\SettingObserver;
use Illuminate\Routing\UrlGenerator;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\ServiceProvider;

/**
 * This service provider handles setting the observers on models
 *
 * PHP version 5.5.9
 * @version    v3.0
 */
class AppServiceProvider extends ServiceProvider
{
    /**
     * Custom email array validation
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v3.0]
     * @return void
     */
    public function boot(UrlGenerator $url)
    {
        if (env('APP_FORCE_TLS')) {
            if (strpos(env('APP_URL'), 'https') === 0) {
                $url->forceScheme('https');
            } else {
                \Log::warning("'APP_FORCE_TLS' is set to true, but 'APP_URL' does not start with 'https://'. Will not force TLS on connections.");
            }
        }

        // TODO - isn't it somehow 'gauche' to check the environment directly; shouldn't we be using config() somehow?
        if ( ! env('APP_ALLOW_INSECURE_HOSTS')) {  // unless you set APP_ALLOW_INSECURE_HOSTS, you should PROHIBIT forging domain parts of URL via Host: headers
            $url_parts = parse_url(config('app.url'));
            if($url_parts && array_key_exists('scheme', $url_parts) && array_key_exists('host', $url_parts)) {
                $root_url = $url_parts['scheme'].'://'.$url_parts['host'].( isset($url_parts['port']) ? ':'.$url_parts['port'] : '');
                \URL::forceRootUrl($root_url);
            } else {
                \Log::error("Your APP_URL in your .env is misconfigured - it is: ".config('app.url').". Many things will work strangely unless you fix it.");
            }
        }

        \Illuminate\Pagination\Paginator::useBootstrap();

        Schema::defaultStringLength(191);
        Asset::observe(AssetObserver::class);
        Accessory::observe(AccessoryObserver::class);
        Component::observe(ComponentObserver::class);
        Consumable::observe(ConsumableObserver::class);
        License::observe(LicenseObserver::class);
        Setting::observe(SettingObserver::class);
    }

    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        // Only load rollbar if there is a rollbar key and the app is in production
        if (($this->app->environment('production')) && (config('logging.channels.rollbar.access_token'))) {
            $this->app->register(\Rollbar\Laravel\RollbarServiceProvider::class);
        } 

        // Only load dusk's service provider if the app is in local or develop mode
        if ($this->app->environment(['local', 'develop'])) {
            $this->app->register(\Laravel\Dusk\DuskServiceProvider::class);
        } 
    
    }
}