egroupware_official/resources/inc/class.bo_acl.inc.php
2005-05-07 13:08:28 +00:00

208 lines
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<?php
/**************************************************************************\
* eGroupWare - resources *
* http://www.egroupware.org *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
* -------------------------------------------- *
\**************************************************************************/
/* $Id$ */
class bo_acl
{
/*! @var $permissions Holds alls permissions for resources of user */
var $permissions;
var $acl;
var $start = 0;
var $query = '';
var $sort = '';
var $total = 0;
var $accounts;
var $cats;
var $debug;
var $use_session = False;
function bo_acl($session=False)
{
define('PHPGW_ACL_CAT_ADMIN',64);
define('PHPGW_ACL_DIRECT_BOOKING',128);
// define('PHPGW_ACL_CUSTOM_3',256);
$this->so = CreateObject('resources.so_acl');
$this->permissions = $this->so->get_permissions($GLOBALS['phpgw_info']['user']['account_id'],true);
$this->egw_cats = createobject('phpgwapi.categories');
$this->accounts = $GLOBALS['phpgw']->accounts->get_list();
$this->debug = False;
//all this is only needed when called from uiacl.
if($session)
{
$this->read_sessiondata();
$this->use_session = True;
foreach(array('start','query','sort','order') as $var)
{
if (isset($_POST[$var]))
{
$this->$var = $_POST[$var];
}
elseif (isset($_GET[$var]))
{
$this->$var = $_GET[$var];
}
}
$this->save_sessiondata();
$this->cats = $this->egw_cats->return_array('all',$this->start,True,$this->query,$this->sort,'cat_name',True);
}
}
/*!
@function get_cats
@abstract get list of cats where current user has given rights
@author Cornelius Wei<65> <egw@von-und-zu-weiss.de>
@param int $perm_type one of PHPGW_ACL_READ, PHPGW_ACL_ADD, PHPGW_ACL_EDIT, PHPGW_ACL_DELETE, PHPGW_ACL_DIRECT_BOOKING
@return array cat_id => cat_name
TODO mark subcats and so on!
*/
function get_cats($perm_type)
{
$cats = $this->egw_cats->return_sorted_array(0,False,'','','',!$type);
while (list(,$cat) = @each($cats))
{
if($this->is_permitted($cat['id'],$perm_type))
{
for ($j=0,$s=''; $j < $cat['level']; $j++)
{
$s .= '&nbsp;';
}
$s .= $GLOBALS['phpgw']->strip_html($cat['name']);
if ($cat['app_name'] == 'phpgw')
{
$s .= '&nbsp;&lt;' . lang('Global') . '&gt;';
}
if ($cat['owner'] == '-1')
{
$s .= '&nbsp;&lt;' . lang('Global') . '&nbsp;' . lang($cat['app_name']) . '&gt;';
}
$perm_cats[$cat['id']] = $s;
}
}
return $perm_cats;
}
/*!
@function get_cat_name
@abstract gets name of category
@author Lukas Wei<65> <wnz.gh05t@users.sourceforge.net>
@param int $cat_id
@return mixed name of category
*/
function get_cat_name($cat_id)
{
$cat = $this->egw_cats->return_single($cat_id);
return $cat[0]['name'];
}
/*!
@function get_cat_admin
@abstract gets userid of admin for given category
@author Cornelius Wei<65> <egw@von-und-zu-weiss.de>
@param int $cat_id
@return int userid of cat admin
*/
function get_cat_admin($cat_id)
{
$cat_rights = $this->get_rights($cat_id));
foreach ($cat_rights as $userid => $right)
{
if ($right & PHPGW_ACL_CAT_ADMIN)
{
return $userid;
}
}
return lang('none');
}
/*!
@function is_permitted
@abstract cheks one of the following rights for current user:
@abstract PHPGW_ACL_READ, PHPGW_ACL_ADD, PHPGW_ACL_EDIT, PHPGW_ACL_DELETE, PHPGW_ACL_DIRECT_BOOKING
@param int $cat_id
@param int $right
@return bool user is permitted or not for right
*/
function is_permitted($cat_id,$right)
{
return $this->permissions['L'.$cat_id] & $right;
}
/*!
@function get_rights
@abstract gets all rights from all user for given cat
@param int $cat_id
@return array userid => right
*/
function get_rights($cat_id)
{
return $this->so->get_rights('L'.$cat_id);
}
// privat functions from here on -------------------------------------------------------------------------
function save_sessiondata()
{
$data = array(
'start' => $this->start,
'query' => $this->query,
'sort' => $this->sort,
'order' => $this->order,
'limit' => $this->limit,
);
if($this->debug) { echo '<br>Read:'; _debug_array($data); }
$GLOBALS['phpgw']->session->appsession('session_data','resources_acl',$data);
}
function read_sessiondata()
{
$data = $GLOBALS['phpgw']->session->appsession('session_data','resources_acl');
if($this->debug) { echo '<br>Read:'; _debug_array($data); }
$this->start = $data['start'];
$this->query = $data['query'];
$this->sort = $data['sort'];
$this->order = $data['order'];
$this->limit = $data['limit'];
}
function set_rights($cat_id,$read,$write,$book,$admin)
{
$readcat = $read ? $read : array();
$writecat = $write ? $write : array();
$bookcat = $book ? $book : array();
$admincat = $admin ? $admin : array();
$this->so->remove_location('L' . $cat_id);
reset($this->accounts);
while (list($null,$account) = each($this->accounts))
{
$account_id = $account['account_id'];
//write implies read
$rights = in_array($account_id,$writecat) ?
(PHPGW_ACL_READ | PHPGW_ACL_ADD | PHPGW_ACL_EDIT | PHPGW_ACL_DELETE) :
(in_array($account_id,$readcat) ? PHPGW_ACL_READ : False);
$rights = in_array($account_id,$bookcat) ? ($rights | PHPGW_ACL_DIRECT_BOOKING) : $rights;
$rights = in_array($account_id,$admincat) ? ($rights | PHPGW_ACL_CAT_ADMIN) : $rights;
if ($rights)
{
$GLOBALS['phpgw']->acl->add_repository('resources','L'.$cat_id,$account_id,$rights);
}
}
}
}