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AbstractAssertion.php 4.85 KiB
<?php
namespace UnicaenAuth\Assertion;
use Zend\Mvc\MvcEvent;
use Zend\Permissions\Acl\Acl;
use Zend\Permissions\Acl\Assertion\AssertionInterface;
use Zend\Permissions\Acl\Resource\ResourceInterface;
use Zend\Permissions\Acl\Role\RoleInterface;
use Zend\ServiceManager\ServiceLocatorAwareInterface;
use Zend\ServiceManager\ServiceLocatorAwareTrait;
/**
* Description of AbstractAssertion
*
* @author Laurent LÉCLUSE <laurent.lecluse at unicaen.fr>
*/
abstract class AbstractAssertion implements AssertionInterface, ServiceLocatorAwareInterface
{
use ServiceLocatorAwareTrait;
/**
* !!!! Pour éviter l'erreur "Serialization of 'Closure' is not allowed"... !!!!
*
* @return array
*/
public function __sleep()
{
return [];
}
/**
* Returns true if and only if the assertion conditions are met
*
* This method is passed the ACL, Role, Resource, and privilege to which the authorization query applies. If the
* $role, $this->resource, or $privilege parameters are null, it means that the query applies to all Roles, Resources, or
* privileges, respectively.
*
* @param Acl $acl
* @param RoleInterface $role
* @param ResourceInterface $resource
* @param string $privilege
*
* @return bool
*/
public final function assert(Acl $acl, RoleInterface $role = null, ResourceInterface $resource = null, $privilege = null)
{
switch (true) {
case $this->detectPrivilege($resource):
return $this->assertPrivilege($acl, $role, ltrim(strstr($resource, '/'), '/'), $privilege);
case $this->detectController($resource):
$resource = (string)$resource;
$spos = strpos($resource, '/') + 1;
$dpos = strrpos($resource, ':') + 1;
$controller = substr($resource, $spos, $dpos - $spos - 1);
$action = substr($resource, $dpos);
return $this->assertController($acl, $role, $controller, $action, $privilege);
case $this->detectEntity($resource):
return $this->assertEntity($acl, $role, $resource, $privilege);
default:
return $this->assertOther($acl, $role, $resource, $privilege);
}
}
/**
*
* @param string $resource
*
* @return boolean
*/
private function detectPrivilege($resource = null)
{
if ($resource instanceof ResourceInterface) $resource = $resource->getResourceId();
return is_string($resource) && 0 === strpos($resource, 'privilege/');
}
/**
*
* @param Acl $acl
* @param RoleInterface $role
* @param string $privilege
* @param string $subPrivilege
*
* @return boolean
*/
protected function assertPrivilege(Acl $acl, RoleInterface $role = null, $privilege = null, $subPrivilege = null)
{
return true;
}
/**
*
* @param string $resource
*
* @return boolean
*/
private function detectController($resource = null)
{
if ($resource instanceof ResourceInterface) $resource = $resource->getResourceId();
return 0 === strpos($resource, 'controller/');
}
/**
*
* @param Acl $acl
* @param RoleInterface $role
* @param string $controller
* @param string $action
* @param string $privilege
*
* @return boolean
*/
protected function assertController(Acl $acl, RoleInterface $role = null, $controller = null, $action = null, $privilege = null)
{
return true;
}
/**
*
* @param string $resource
*
* @return boolean
*/
private function detectEntity($resource = null)
{
return
is_object($resource)
&& method_exists($resource, 'getId');
}
/**
*
* @param Acl $acl
* @param RoleInterface $role
* @param ResourceInterface $entity
* @param string $privilege
*
* @return boolean
*/
protected function assertEntity(Acl $acl, RoleInterface $role = null, ResourceInterface $entity = null, $privilege = null)
{
return true;
}
/**
*
* @param Acl $acl
* @param RoleInterface $role
* @param ResourceInterface $entity
* @param string $privilege
*
* @return boolean
*/
protected function assertOther(Acl $acl, RoleInterface $role = null, ResourceInterface $entity = null, $privilege = null)
{
return true;
}
/**
*
* @return MvcEvent
*/
protected function getMvcEvent()
{
$application = $this->getServiceLocator()->get('Application');
return $application->getMvcEvent();
}
}