class.ilObjMediaPoolAccess.php

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<?php

class ilObjMediaPoolAccess extends ilObjectAccess
{
    protected ilAccessHandler $access;
    protected ilRbacSystem $rbacsystem;
    protected ilLanguage $lng;
    protected ilObjUser $user;

    public function __construct()
    {
        global $DIC;

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

    public static function _getCommands(): array
    {
        $commands = array(
            array("permission" => "read", "cmd" => "", "lang_var" => "show",
                "default" => true),
            array("permission" => "write", "cmd" => "", "lang_var" => "edit_content",
                "default" => false),
            array("permission" => "write", "cmd" => "edit", "lang_var" => "settings",
                "default" => false)
        );

        return $commands;
    }

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

        $ilAccess = $DIC->access();

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

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

    public function _checkAccess(string $cmd, string $permission, int $ref_id, int $obj_id, ?int $user_id = null): bool
    {
        if (is_null($user_id)) {
            $user_id = $this->user->getId();
        }

        switch ($permission) {
            case "read":
            case "visible":
                if (self::_isOffline($obj_id) &&
                    (!$this->rbacsystem->checkAccessOfUser($user_id, 'write', $ref_id))) {
                    $this->access->addInfoItem(ilAccessInfo::IL_NO_OBJECT_ACCESS, $this->lng->txt("offline"));
                    return false;
                }
                break;
        }
        return true;
    }

}