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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Core\Authorization;
use Doctrine\Common\Util\ClassUtils;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
/**
* Decorates the original AccessDecisionManager class to log information
* about the security voters and the decisions made by them.
*
* @author Javier Eguiluz <javier.eguiluz@gmail.com>
*
* @internal
*/
class DebugAccessDecisionManager implements AccessDecisionManagerInterface
{
private $manager;
private $strategy;
private $voters = array();
private $decisionLog = array();
public function __construct(AccessDecisionManagerInterface $manager)
{
$this->manager = $manager;
if ($this->manager instanceof AccessDecisionManager) {
// The strategy is stored in a private property of the decorated service
$reflection = new \ReflectionProperty(AccessDecisionManager::class, 'strategy');
$reflection->setAccessible(true);
$this->strategy = $reflection->getValue($manager);
}
}
/**
* {@inheritdoc}
*/
public function decide(TokenInterface $token, array $attributes, $object = null)
{
$result = $this->manager->decide($token, $attributes, $object);
$this->decisionLog[] = array(
'attributes' => $attributes,
'object' => $this->getStringRepresentation($object),
'result' => $result,
);
return $result;
}
/**
* {@inheritdoc}
*/
public function setVoters(array $voters)
{
if (!method_exists($this->manager, 'setVoters')) {
return;
}
$this->voters = $voters;
$this->manager->setVoters($voters);
}
/**
* @return string
*/
public function getStrategy()
{
// The $strategy property is misleading because it stores the name of its
// method (e.g. 'decideAffirmative') instead of the original strategy name
// (e.g. 'affirmative')
return null === $this->strategy ? '-' : strtolower(substr($this->strategy, 6));
}
/**
* @return array
*/
public function getVoters()
{
return $this->voters;
}
/**
* @return array
*/
public function getDecisionLog()
{
return $this->decisionLog;
}
/**
* @param mixed $object
*
* @return string
*/
private function getStringRepresentation($object)
{
if (null === $object) {
return 'NULL';
}
if (!is_object($object)) {
if (is_bool($object)) {
return sprintf('%s (%s)', gettype($object), $object ? 'true' : 'false');
}
if (is_scalar($object)) {
return sprintf('%s (%s)', gettype($object), $object);
}
return gettype($object);
}
$objectClass = class_exists('Doctrine\Common\Util\ClassUtils') ? ClassUtils::getClass($object) : get_class($object);
if (method_exists($object, 'getId')) {
$objectAsString = sprintf('ID: %s', $object->getId());
} elseif (method_exists($object, '__toString')) {
$objectAsString = (string) $object;
} else {
$objectAsString = sprintf('object hash: %s', spl_object_hash($object));
}
return sprintf('%s (%s)', $objectClass, $objectAsString);
}
}
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