egroupware_official/phpgwapi/inc/class.acl.inc.php

87 lines
4.3 KiB
PHP

<?php
/**************************************************************************\
* phpGroupWare API - Access Control List *
* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* Security scheme based on ACL design *
* Copyright (C) 2000, 2001 Dan Kuykendall *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class acl
{
/* This is a new class. These are sample table entries
insert into phpgw_acl (acl_appname, acl_location, acl_account, acl_account_type, acl_rights)
values('filemanager', 'create', 1, 'u', 4);
insert into phpgw_acl (acl_appname, acl_location, acl_account, acl_account_type, acl_rights)
values('filemanager', 'create', 1, 'g', 2);
insert into phpgw_acl (acl_appname, acl_location, acl_account, acl_account_type, acl_rights)
values('filemanager', 'create', 2, 'u', 1);
insert into phpgw_acl (acl_appname, acl_location, acl_account, acl_account_type, acl_rights)
values('filemanager', 'create', 2, 'g', 2);
*/
function check($location, $required, $appname = False){
global $phpgw, $phpgw_info;
if ($appname == False){
$appname = $phpgw_info["flags"]["currentapp"];
}
// User piece
$sql = "select acl_rights from phpgw_acl where acl_appname='$appname'";
$sql .= " and (acl_location in ('$location','everywhere')) and ";
$sql .= "((acl_account_type = 'u' and acl_account = ".$phpgw_info["user"]["account_id"].")";
// Group piece
$sql .= " or (acl_account_type='g' and acl_account in (0"; // group 0 covers all users
$memberships = $phpgw->accounts->read_group_names();
if (is_array($memberships) && count($memberships) > 0){
for ($idx = 0; $idx < count($memberships); ++$idx){
$sql .= ",".$memberships[$idx][0];
}
}
$sql .= ")))";
$rights = 0;
$phpgw->db->query($sql ,__LINE__,__FILE__);
if ($phpgw->db->num_rows() == 0 && $phpgw_info["server"]["acl_default"] != "deny"){ return True; }
while ($phpgw->db->next_record()) {
if ($phpgw->db->f("acl_rights") == 0){ return False; }
$rights |= $phpgw->db->f("acl_rights");
}
return !!($rights & $required);
}
function add($app, $location, $id, $id_type, $rights){
$sql = "insert into phpgw_acl (acl_appname, acl_location, acl_account, acl_account_type, acl_rights)";
$sql .= " values('".$app."', '".$location."', ".$id.", '".$id_type."', ".$rights.")";
$phpgw->db->query($sql ,__LINE__,__FILE__);
return True;
}
function delete($app, $location, $id, $id_type){
$sql = "delete from phpgw_acl where acl_appname='".$app."'";
$sql .= " and acl_location ='".$location."' and ";
$sql .= " acl_account_type = '".$id_type."' and acl_account = ".$id.")";
$phpgw->db->query($sql ,__LINE__,__FILE__);
return True;
}
function view($app, $location, $id, $id_type){
}
} //end of acl class
?>