TenantAtlas/apps/platform/app/Services/TenantConfiguration/CoveragePayloadRedactor.php

<?php

declare(strict_types=1);

namespace App\Services\TenantConfiguration;

final class CoveragePayloadRedactor
{
    /**
     * @var list<string>
     */
    private const SENSITIVE_KEY_PARTS = [
        'access_token',
        'authorization',
        'assertion',
        'bearer',
        'certificate',
        'client_secret',
        'cookie',
        'credential',
        'id_token',
        'password',
        'private_key',
        'refresh_token',
        'secret',
        'set-cookie',
        'token',
    ];

    public function redact(mixed $value): mixed
    {
        if (! is_array($value)) {
            return $value;
        }

        if (array_is_list($value)) {
            return array_map(fn (mixed $item): mixed => $this->redact($item), $value);
        }

        $redacted = [];

        foreach ($value as $key => $nestedValue) {
            $key = (string) $key;
            $redacted[$key] = $this->isSensitiveKey($key) ? '[redacted]' : $this->redact($nestedValue);
        }

        return $redacted;
    }

    private function isSensitiveKey(string $key): bool
    {
        $normalized = strtolower($key);

        foreach (self::SENSITIVE_KEY_PARTS as $part) {
            if (str_contains($normalized, $part)) {
                return true;
            }
        }

        return false;
    }
}