ladill-mini/app/Http/Controllers/WellKnown/AssetLinksController.php

<?php

namespace App\Http\Controllers\WellKnown;

use App\Http\Controllers\Controller;
use Illuminate\Http\JsonResponse;

class AssetLinksController extends Controller
{
    public function __invoke(): JsonResponse
    {
        $fingerprints = config('android_app_links.sha256_cert_fingerprints', []);

        abort_if($fingerprints === [], 404);

        return response()->json([
            [
                'relation' => ['delegate_permission/common.handle_all_urls'],
                'target' => [
                    'namespace' => 'android_app',
                    'package_name' => config('android_app_links.package_name'),
                    'sha256_cert_fingerprints' => $fingerprints,
                ],
            ],
        ], 200, [], JSON_UNESCAPED_SLASHES);
    }
}