misc_pterodactyl-panel/app/Helpers/Utilities.php

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<?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 {
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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);
}
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} 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' : '';
}
}