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|
<?php
namespace Kanboard\Core\Security;
/**
* Access Map Definition
*
* @package security
* @author Frederic Guillot
*/
class AccessMap
{
/**
* Default role
*
* @access private
* @var string
*/
private $defaultRole = '';
/**
* Role hierarchy
*
* @access private
* @var array
*/
private $hierarchy = array();
/**
* Access map
*
* @access private
* @var array
*/
private $map = array();
/**
* Define the default role when nothing match
*
* @access public
* @param string $role
* @return Acl
*/
public function setDefaultRole($role)
{
$this->defaultRole = $role;
return $this;
}
/**
* Define role hierarchy
*
* @access public
* @param string $role
* @param array $subroles
* @return Acl
*/
public function setRoleHierarchy($role, array $subroles)
{
foreach ($subroles as $subrole) {
if (isset($this->hierarchy[$subrole])) {
$this->hierarchy[$subrole][] = $role;
} else {
$this->hierarchy[$subrole] = array($role);
}
}
return $this;
}
/**
* Get computed role hierarchy
*
* @access public
* @param string $role
* @return array
*/
public function getRoleHierarchy($role)
{
$roles = array($role);
if (isset($this->hierarchy[$role])) {
$roles = array_merge($roles, $this->hierarchy[$role]);
}
return $roles;
}
/**
* Add new access rules
*
* @access public
* @param string $controller Controller class name
* @param mixed $methods List of method name or just one method
* @param string $role Lowest role required
* @return Acl
*/
public function add($controller, $methods, $role)
{
if (is_array($methods)) {
foreach ($methods as $method) {
$this->addRule($controller, $method, $role);
}
} else {
$this->addRule($controller, $methods, $role);
}
return $this;
}
/**
* Add new access rule
*
* @access private
* @param string $controller
* @param string $method
* @param string $role
* @return Acl
*/
private function addRule($controller, $method, $role)
{
$controller = strtolower($controller);
$method = strtolower($method);
if (! isset($this->map[$controller])) {
$this->map[$controller] = array();
}
$this->map[$controller][$method] = $role;
return $this;
}
/**
* Get roles that match the given controller/method
*
* @access public
* @param string $controller
* @param string $method
* @return boolean
*/
public function getRoles($controller, $method)
{
$controller = strtolower($controller);
$method = strtolower($method);
foreach (array($method, '*') as $key) {
if (isset($this->map[$controller][$key])) {
return $this->getRoleHierarchy($this->map[$controller][$key]);
}
}
return $this->getRoleHierarchy($this->defaultRole);
}
}
|
