One Hat Cyber Team

Your IP: 216.73.216.1
Server IP: 185.238.29.86
Server: Linux server2 6.8.12-6-pve #1 SMP PREEMPT_DYNAMIC PMX 6.8.12-6 (2024-12-19T19:05Z) x86_64
Server Software: nginx/1.18.0
PHP Version: 8.1.31
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Dir : ~/var/www/dnc/@core/vendor/tzsk/payu/src/

Edit File: Checksum.php

<?php

namespace Tzsk\Payu;

class Checksum
{
    const REVERSE = true;

protected string $salt;
    protected array $keys = [
        'key', 'txnid', 'amount', 'productinfo', 'firstname', 'email',
    ];

public function __construct(string $salt)
    {
        $this->salt = $salt;
    }

public static function with($salt): self
    {
        return new self($salt);
    }

public function create(array $fields): string
    {
        return $this->generate($fields);
    }

public function match(array $fields, string $hash): bool
    {
        return $this->generate($fields, self::REVERSE) == $hash;
    }

public function generate(array $fields, bool $reverse = false)
    {
        $keys = collect($this->keys)
            ->merge(collect(range(1, 10))->map(fn (int $index) => "udf{$index}"));

$keys = $reverse ? $keys->merge(['status', 'salt'])->reverse() : $keys->merge(['salt']);

$attributes = collect($fields)
            ->put('salt', $this->salt)
            ->all();

return hash('sha512', implode("|", $this->getSequence($attributes, $keys->all())));
    }

protected function getSequence(array $fields, array $keys): array
    {
        $sequence = [];
        foreach ($keys as $key) {
            $sequence[] = data_get($fields, $key);
        }

return $sequence;
    }
}