Rbac.php
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<?php
class LtRbac {
public $configHandle;
protected $acl;
public function __construct()
{
if (! $this->configHandle instanceof LtConfig)
{
if (class_exists("LtObjectUtil", false))
{
$this->configHandle = LtObjectUtil::singleton("LtConfig");
}
else
{
$this->configHandle = new LtConfig;
}
}
}
public function init()
{
$this->acl = $this->configHandle->get('rbac.acl');
}
public function checkAcl($roles, $resource)
{
$allow = false;
// deny priority
foreach (array("allow", "deny") as $operation)
{
foreach($roles as $role)
{
if (isset($this->acl[$operation][$role]))
{
// everyone *
if (in_array($resource, $this->acl[$operation]['*']))
{
$allow = "allow" == $operation ? true : false;
break;
}
if (in_array($resource, $this->acl[$operation][$role]))
{
$allow = "allow" == $operation ? true : false;
break;
}
else
{
$res = explode('/', trim($resource, '/'));
for ($i = count($res)-1; $i >= 0; $i--)
{
$res[$i] = '*';
$tmp = implode('/', $res);
if (in_array($tmp, $this->acl[$operation][$role]))
{
$allow = "allow" == $operation ? true : false;
break;
}
unset($res[$i]);
}
}
}
}
}
return $allow;
}
/*
private function __set($p,$v)
{
$this->$p = $v;
}
private function __get($p)
{
if(isset($this->$p))
{
return($this->$p);
}
else
{
return(NULL);
}
}
*/
}