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<?php
/* -----------------------------------------------------------------------------
class name: allowed_access, groups, users
class version: 1.0
date: 2007-10-31
------------------------------------------------------------------------------
author: grum at grum.dnsalias.com
<< May the Little SpaceFrog be with you >>
------------------------------------------------------------------------------
this classes provides base functions to manage users/groups access
groups and users classes extends allowed_access classes
- constructor allowed_access($alloweds="")
- constructor groups($alloweds="")
- constructor users($alloweds="")
- (public) function get_list()
- (public) function set_allowed($id, $allowed)
- (public) function set_alloweds()
- (public) function get_alloweds($return_type)
- (public) function is_allowed($id)
- (public) function html_view($sep=", ", $empty="")
- (public) function html_form($basename)
- (private) function init_list()
---------------------------------------------------------------------- */
class allowed_access
{
var $access_list;
/*
constructor initialize the groups_list
*/
function allowed_access($alloweds = "")
{
$this->init_list();
$this->set_alloweds($alloweds);
}
/*
initialize the groups list
*/
function init_list()
{
$this->access_list=array();
}
/*
returns list (as an array)
*/
function get_list()
{
return($this->access_list);
}
/*
set element an allowed state
*/
function set_allowed($id, $allowed)
{
if(isset($this->access_list[$id]))
{
$this->access_list[$id]['allowed']=$allowed;
}
}
/*
set a group enabled/disabled state
*/
function set_state($id, $enabled)
{
if(isset($this->access_list[$id]))
{
$this->access_list[$id]['enabled']=$enabled;
}
}
/*
set alloweds list
$list is string of id, separated with "/"
*/
function set_alloweds($list)
{
$alloweds=explode("/", $list);
$alloweds=array_flip($alloweds);
foreach($this->access_list as $key => $val)
{
if(isset($alloweds[$key]))
{
$this->access_list[$key]['allowed']=true;
}
else
{
$this->access_list[$key]['allowed']=false;
}
}
}
/*
get alloweds list
return a string of groups, separated with "/"
*/
function get_alloweds($return_type = 'name')
{
$returned="";
foreach($this->access_list as $key => $val)
{
if($val['allowed'])
{ $returned.=$val[$return_type]."/"; }
}
return($returned);
}
/*
returns true if is allowed
*/
function is_allowed($id)
{
if(isset($this->access_list[$id]))
{ return($this->access_list[$id]['allowed']); }
else
{ return(false); }
}
/*
returns true if all or one is allowed
ids is an array
*/
function are_allowed($ids, $all=false)
{
foreach($ids as $val)
{
if($all)
{
if(!$this->is_allowed($val))
{
return(false);
}
}
else
{
if($this->is_allowed($val))
{
return(true);
}
}
}
return(false);
}
/*
returns an HTML list with label rather than id
*/
function html_view($sep=", ", $empty="")
{
$returned="";
foreach($this->access_list as $key => $val)
{
if($val['allowed'])
{
if($returned!="")
{
$returned.=$sep;
}
$returned.=$val['name'];
}
}
if($returned=="")
{
$returned=$empty;
}
return($returned);
}
/*
returns a generic HTML form to manage the groups access
*/
function html_form($basename)
{
/*
<!-- BEGIN allowed_group_row -->
<label><input type="checkbox" name="fmypolls_att_allowed_groups_{allowed_group_row.ID}" {allowed_group_row.CHECKED}/> {allowed_group_row.NAME}</label>
<!-- END allowed_group_row -->
*/
$text='';
foreach($this->access_list as $key => $val)
{
if($val['allowed'])
{
$checked=' checked';
}
else
{
$checked='';
}
if($val['enabled'])
{
$enabled='';
}
else
{
$enabled=' disabled';
}
$text.='<label><input type="checkbox" name="'.$basename.$val['id'].'" '.$checked.$enabled.'/>
'.$val['name'].'</label> ';
}
return($text);
}
} //allowed_access
/* ----------------------------------------------------------------------
this class provides base functions to manage groups access
init_list redefined to initialize access_list from database GROUPS
---------------------------------------------------------------------- */
class groups extends allowed_access
{
/*
initialize the groups list
*/
function init_list()
{
$this->access_list=array();
$sql="SELECT id, name FROM ".GROUPS_TABLE." ORDER BY name";
$result=pwg_query($sql);
if($result)
{
while($row=mysql_fetch_assoc($result))
{
$this->access_list[$row['id']] =
array('id' => $row['id'],
'name' => $row['name'],
'allowed' => false,
'enabled' => true);
}
}
}
}
/* -----------------------------------------------------------------------------
this class provides base functions to manage users access
----------------------------------------------------------------------------- */
class users extends allowed_access
{
/*
constructor
*/
function users($alloweds = "")
{
parent::allowed_access($alloweds);
$this->set_state('admin', false);
$this->set_allowed('admin', true);
}
/*
initialize the groups list
*/
function init_list()
{
$users_list = array('guest', 'generic', 'normal', 'admin');
$this->access_list=array();
foreach($users_list as $val)
{
$this->access_list[$val] =
array('id' => $val,
'name' => l10n('user_status_'.$val),
'allowed' => false,
'enabled' => true);
}
}
} //class users
?>
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