CharacterFilter.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\WebDAV\Objects\Filter;
 
use ILIAS\WebDAV\Entity\Entity;
use ILIAS\WebDAV\Entity\Container;
use ILIAS\WebDAV\Objects\Proxy;
use ILIAS\WebDAV\Config;
use ILIAS\WebDAV\Objects\Type;
 
class CharacterFilter implements Filter
{
    public function __construct(
        private Config $config
    ) {
    }
 
    public function canUserIn(Action $action, Container $in): bool
    {
        return true;
    }
 
    public function canUserFor(Action $action, Entity $for): bool
    {
        return true;
    }
 
    public function filterEntity(Entity $entity): bool
    {
        return $this->checkName($entity->getName());
    }
 
    public function filterProxy(Proxy $proxy): bool
    {
        return $this->checkName($proxy->getName());
    }
 
    public function checkName(string $name): bool
    {
        foreach ($this->config->getInvalidStartCharacters() as $character) {
            if (str_starts_with($name, (string) $character)) {
                return false;
            }
        }
        return !preg_match(
            '/[' . preg_quote(implode('', $this->config->getIncompatibleCharacters()), '/') . ']/',
            $name
        );
    }
 
    public function canUserCreate(Type $type, Container $in): bool
    {
        return true;
    }
 
}