<?php
declare(strict_types=1);
namespace League\Flysystem\AwsS3V3;
use League\Flysystem\Visibility;
class PortableVisibilityConverter implements VisibilityConverter
{
private const PUBLIC_GRANTEE_URI = 'http://acs.amazonaws.com/groups/global/AllUsers';
private const PUBLIC_GRANTS_PERMISSION = 'READ';
private const PUBLIC_ACL = 'public-read';
private const PRIVATE_ACL = 'private';
/**
* @var string
*/
private $defaultForDirectories;
public function __construct(string $defaultForDirectories = Visibility::PUBLIC)
{
$this->defaultForDirectories = $defaultForDirectories;
}
public function visibilityToAcl(string $visibility): string
{
if ($visibility === Visibility::PUBLIC) {
return self::PUBLIC_ACL;
}
return self::PRIVATE_ACL;
}
public function aclToVisibility(array $grants): string
{
foreach ($grants as $grant) {
$granteeUri = $grant['Grantee']['URI'] ?? null;
$permission = $grant['Permission'] ?? null;
if ($granteeUri === self::PUBLIC_GRANTEE_URI && $permission === self::PUBLIC_GRANTS_PERMISSION) {
return Visibility::PUBLIC;
}
}
return Visibility::PRIVATE;
}
public function defaultForDirectories(): string
{
return $this->defaultForDirectories;
}
}