<?php

class User extends DBName {
    private $proxy_ref = NULL;
    private $db_proxy_ref = NULL;

    public function __construct($dn_or_proxy) {
        if ( is_object($dn_or_proxy)) {
            $this->proxy_ref = $dn_or_proxy;
            $dn = $this->proxy_ref->GetProxyDN();
        } else {
            $dn = $dn_or_proxy;
        }
        parent::__construct($dn,'user','dn');
    }
    
    public function getDBProxy ($voattrs_hash) {
        $dbp_id = DB::QueryResultValue(
            'SELECT id FROM proxycerts ' . 
            'WHERE attrs_hash = ?(attrshash) AND userid = ?(userid)', 
            $voattrs_hash, $this->dbid
        );
        if(is_null($dbp_id)) return FALSE;
        $this->db_proxy_ref = new Proxy($dbp_id);
        $this->db_proxy_ref->loadDBProxy();
    }

    public function updateDBProxy () {
        if ( $this->proxy_ref == NULL ) return FALSE;
        $this->getDBProxy($this->proxy_ref->getProxyVOAttrsHash());
        if ( $this->db_proxy_ref == NULL ) {
            // insert new
            $this->proxy_ref->saveDBProxy($this->dbid);
        } elseif ( $this->proxy_ref->getProxyValidityTime() > $this->db_proxy_ref->getProxyValidityTime() ) {
            if ( $this->db_proxy_ref->updateDBProxyFile($this->proxy_ref->getProxyFile()) ) {
                $this->db_proxy_ref->updateDBProxyValidity($this->proxy_ref->getProxyValidityTime());
            }
        }
    }
}

?>