class.ilObjPollAccess.php

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<?php

declare(strict_types=1);

class ilObjPollAccess extends ilObjectAccess implements ilWACCheckingClass
{
    protected ilObjUser $user;
    protected ilLanguage $lng;
    protected ilRbacSystem $rbacsystem;
    protected ilAccessHandler $access;

    public function __construct()
    {
        global $DIC;

        $this->user = $DIC->user();
        $this->lng = $DIC->language();
        $this->rbacsystem = $DIC->rbac()->system();
        $this->access = $DIC->access();
    }

    public function _checkAccess(string $cmd, string $permission, int $ref_id, int $obj_id, ?int $user_id = null): bool
    {
        $ilUser = $this->user;
        $lng = $this->lng;
        $rbacsystem = $this->rbacsystem;
        $ilAccess = $this->access;

        if (!$user_id) {
            $a_user_id = $ilUser->getId();
        }

        if (
            $cmd === 'preview' &&
            $permission === 'read'
        ) {
            return false;
        }

        return true;
    }

    public static function _getCommands(): array
    {
        return [
            ["permission" => "read", "cmd" => "preview", "lang_var" => "show", "default" => true],
            ["permission" => "write", "cmd" => "render", "lang_var" => "edit"]
        ];
    }

    public static function _checkGoto(string $target): bool
    {
        global $DIC;

        $ilAccess = $DIC->access();

        $t_arr = explode("_", $target);

        if ($t_arr[0] !== "poll" || ((int) $t_arr[1]) <= 0) {
            return false;
        }

        if ($ilAccess->checkAccess("read", "", (int) $t_arr[1])) {
            return true;
        }

        return false;
    }


    public function canBeDelivered(ilWACPath $ilWACPath): bool
    {
        $ilAccess = $this->access;
        preg_match("/\\/poll_([\\d]*)\\//uism", $ilWACPath->getPath(), $results);

        foreach (ilObject2::_getAllReferences((int) $results[1]) as $ref_id) {
            if ($ilAccess->checkAccess('read', '', $ref_id)) {
                return true;
            }
        }

        return false;
    }
}