egroupware_official/setup/inc/class.setup_cmd.inc.php

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<?php
/**
* eGgroupWare setup - abstract baseclass for all setup commands, extending admin_cmd
*
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @package setup
* @copyright (c) 2007 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id: class.admin_cmd_check_acl.inc.php 24709 2007-11-27 03:20:28Z ralfbecker $
*/
/**
* setup command: abstract baseclass for all setup commands, extending admin_cmd
*/
abstract class setup_cmd extends admin_cmd
{
/**
* Defaults set for empty options while running the command
*
* @var array
*/
public $set_defaults = array();
/**
* Should be called by every command usually requiring header admin rights
*
* @throws Exception(lang('Wrong credentials to access the header.inc.php file!'),2);
*/
protected function _check_header_access()
{
if ($this->header_secret != ($secret = $this->_calc_header_secret($GLOBALS['egw_info']['server']['header_admin_user'],
$GLOBALS['egw_info']['server']['header_admin_password'])))
{
//echo "header_secret='$this->header_secret' != '$secret'=_calc_header_secret({$GLOBALS['egw_info']['server']['header_admin_user']},{$GLOBALS['egw_info']['server']['header_admin_password']})\n";
throw new Exception (lang('Wrong credentials to access the header.inc.php file!'),2);
}
}
/**
* Set the user and pw required for any operation on the header file
*
* @param string $user
* @param string $pw password or md5 hash of it
*/
public function set_header_secret($user,$pw)
{
if ($this->uid || parent::save(false)) // we need to save first, to get the uid
{
$this->header_secret = $this->_calc_header_secret($user,$pw);
}
else
{
throw new Exception ('failed to set header_secret!');
}
}
/**
* Calculate the header_secret used to access the header from this command
*
* It's an md5 over the uid, header-admin-user and -password.
*
* @param string $header_admin_user
* @param string $header_admin_password
* @return string
*/
private function _calc_header_secret($header_admin_user=null,$header_admin_password=null)
{
if (!self::is_md5($header_admin_password)) $header_admin_password = md5($header_admin_password);
$secret = md5($this->uid.$header_admin_user.$header_admin_password);
//echo "header_secret='$secret' = md5('$this->uid'.'$header_admin_user'.'$header_admin_password')\n";
return $secret;
}
/**
* Restore our db connection
*
*/
static protected function restore_db()
{
$GLOBALS['egw']->db->disconnect();
$GLOBALS['egw']->db->connect();
}
/**
* Saving the object to the database, reimplemented to not do it in setup context
*
* @param boolean $set_modifier=true set the current user as modifier or 0 (= run by the system)
* @return boolean true on success, false otherwise
*/
function save($set_modifier=true)
{
if (is_object($GLOBALS['egw']->db))
{
return parent::save($set_modifier);
}
return true;
}
}