<?php namespace Pterodactyl\Helpers; use Carbon\Carbon; use Cron\CronExpression; use Illuminate\Support\Facades\Log; use Illuminate\Support\ViewErrorBag; class Utilities { /** * Generates a random string and injects special characters into it, in addition to * the randomness of the alphanumeric default response. */ public static function randomStringWithSpecialCharacters(int $length = 16): string { $string = str_random($length); // Given a random string of characters, randomly loop through the characters and replace some // with special characters to avoid issues with MySQL password requirements on some servers. try { for ($i = 0; $i < random_int(2, 6); ++$i) { $character = ['!', '@', '=', '.', '+', '^'][random_int(0, 5)]; $string = substr_replace($string, $character, random_int(0, $length - 1), 1); } } catch (\Exception $exception) { // Just log the error and hope for the best at this point. Log::error($exception); } return $string; } /** * Converts schedule cron data into a carbon object. * * @throws \Exception */ public static function getScheduleNextRunDate(string $minute, string $hour, string $dayOfMonth, string $month, string $dayOfWeek): Carbon { return Carbon::instance((new CronExpression( sprintf('%s %s %s %s %s', $minute, $hour, $dayOfMonth, $month, $dayOfWeek) ))->getNextRunDate()); } public static function checked(string $name, mixed $default): string { $errors = session('errors'); if (isset($errors) && $errors instanceof ViewErrorBag && $errors->any()) { return old($name) ? 'checked' : ''; } return ($default) ? 'checked' : ''; } }