class.ilWebDAVUtil.php

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<?php

class ilWebDAVUtil
{
    private static $instance = null;

    private $pwd_instruction = null;

    private function __construct()
    {
    }

    public static function getInstance()
    {
        if (self::$instance) {
            return self::$instance;
        }
        return self::$instance = new ilWebDAVUtil();
    }

    public function isLocalPasswordInstructionRequired()
    {
        global $DIC;
        $ilUser = $DIC->user();

        if ($this->pwd_instruction !== null) {
            return $this->pwd_instruction;
        }
        $status = ilAuthUtils::supportsLocalPasswordValidation($ilUser->getAuthMode(true));
        if ($status != ilAuthUtils::LOCAL_PWV_USER) {
            return $this->pwd_instruction = false;
        }
        // Check if user has local password
        return $this->pwd_instruction = (bool) !strlen($ilUser->getPasswd());
    }
}