ilWebDAVCheckValidTitleTrait.php

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<?php

declare(strict_types=1);

trait ilWebDAVCheckValidTitleTrait
{
    protected function isDAVableObjTitle(string $title): bool
    {
        return !$this->hasTitleForbiddenChars($title) && !$this->isHiddenFile($title);
    }

    protected function hasTitleForbiddenChars(string $title): bool
    {
        foreach (str_split('\\<>/:*?"|#') as $forbidden_character) {
            if (str_contains($title, $forbidden_character)) {
                return true;
            }
        }

        return false;
    }

    protected function isHiddenFile(string $title): bool
    {
        $prefix = substr($title, 0, 1);
        return $prefix === '.';
    }

    protected function hasValidFileExtension(string $title): bool
    {
        return $title === ilFileUtils::getValidFilename($title);
    }
}