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[Security] Be able to know the reasons of the denied access #40711

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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Routing\RouterInterface;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Authorization\AccessDecision;
use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;
use Symfony\Component\Security\Core\User\UserInterface;
Expand Down Expand Up @@ -229,10 +230,22 @@ protected function isGranted($attribute, $subject = null): bool
*/
protected function denyAccessUnlessGranted($attribute, $subject = null, string $message = 'Access Denied.'): void
{
if (!$this->isGranted($attribute, $subject)) {
if (!$this->container->has('security.authorization_checker')) {
throw new \LogicException('The SecurityBundle is not registered in your application. Try running "composer require symfony/security-bundle".');
}

$checker = $this->container->get('security.authorization_checker');
if (method_exists($checker, 'getDecision')) {
$decision = $checker->getDecision($attribute, $subject);
} else {
$decision = $checker->isGranted($attribute, $subject) ? AccessDecision::createGranted() : AccessDecision::createDenied();
}

if (!$decision->isGranted()) {
$exception = $this->createAccessDeniedException($message);
$exception->setAttributes($attribute);
$exception->setSubject($subject);
$exception->setAccessDecision($decision);

throw $exception;
}
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -346,16 +346,17 @@
<td class="font-normal text-small">attribute {{ voter_detail['attributes'][0] }}</td>
{% endif %}
<td class="font-normal text-small">
{% if voter_detail['vote'] == constant('Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface::ACCESS_GRANTED') %}
{% if voter_detail['vote'].access == constant('Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface::ACCESS_GRANTED') %}
ACCESS GRANTED
{% elseif voter_detail['vote'] == constant('Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface::ACCESS_ABSTAIN') %}
{% elseif voter_detail['vote'].access == constant('Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface::ACCESS_ABSTAIN') %}
ACCESS ABSTAIN
{% elseif voter_detail['vote'] == constant('Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface::ACCESS_DENIED') %}
{% elseif voter_detail['vote'].access == constant('Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface::ACCESS_DENIED') %}
ACCESS DENIED
{% else %}
unknown ({{ voter_detail['vote'] }})
unknown ({{ voter_detail['vote'].access }})
{% endif %}
</td>
<td class="font-normal text-small">{{ voter_detail['vote'].reason|default('~') }}</td>
</tr>
{% endfor %}
</tbody>
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
use PHPUnit\Framework\TestCase;
use Symfony\Bundle\SecurityBundle\EventListener\VoteListener;
use Symfony\Component\Security\Core\Authorization\TraceableAccessDecisionManager;
use Symfony\Component\Security\Core\Authorization\Voter\Vote;
use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
use Symfony\Component\Security\Core\Event\VoteEvent;

Expand All @@ -29,10 +30,33 @@ public function testOnVoterVote()
->setMethods(['addVoterVote'])
->getMock();

$vote = Vote::createGranted();
$traceableAccessDecisionManager
->expects($this->once())
->method('addVoterVote')
->with($voter, ['myattr1', 'myattr2'], VoterInterface::ACCESS_GRANTED);
->with($voter, ['myattr1', 'myattr2'], $vote);

$sut = new VoteListener($traceableAccessDecisionManager);
$sut->onVoterVote(new VoteEvent($voter, 'mysubject', ['myattr1', 'myattr2'], $vote));
}

/**
* @group legacy
*/
public function testOnVoterVoteLegacy()
{
$voter = $this->createMock(VoterInterface::class);

$traceableAccessDecisionManager = $this
->getMockBuilder(TraceableAccessDecisionManager::class)
->disableOriginalConstructor()
->setMethods(['addVoterVote'])
->getMock();

$traceableAccessDecisionManager
->expects($this->once())
->method('addVoterVote')
->with($voter, ['myattr1', 'myattr2'], Vote::createGranted());

$sut = new VoteListener($traceableAccessDecisionManager);
$sut->onVoterVote(new VoteEvent($voter, 'mysubject', ['myattr1', 'myattr2'], VoterInterface::ACCESS_GRANTED));
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,98 @@
<?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 Symfony\Component\Security\Core\Authorization\Voter\AccessTrait;
use Symfony\Component\Security\Core\Authorization\Voter\Vote;
use Symfony\Component\Security\Core\Authorization\Voter\Voter;
use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;

/**
* An AccessDecision is returned by an AccessDecisionManager and contains the access verdict and all the related votes.
*
* @author Dany Maillard <danymaillard93b@gmail.com>
*/
final class AccessDecision
{
use AccessTrait;

/** @var Vote[] */
private $votes = [];

/**
* @param int $access One of the VoterInterface::ACCESS_* constants
* @param Vote[] $votes
*/
private function __construct(int $access, array $votes = [])
{
$this->access = $access;
$this->votes = $votes;
}

/**
* @param Vote[] $votes
*/
public static function createGranted(array $votes = []): self
{
return new self(VoterInterface::ACCESS_GRANTED, $votes);
}

/**
* @param Vote[] $votes
*/
public static function createDenied(array $votes = []): self
{
return new self(VoterInterface::ACCESS_DENIED, $votes);
}

/**
* @return Vote[]
*/
public function getVotes(): array
{
return $this->votes;
}

/**
* @return Vote[]
*/
public function getGrantedVotes(): array
{
return $this->getVotesByAccess(Voter::ACCESS_GRANTED);
}

/**
* @return Vote[]
*/
public function getAbstainedVotes(): array
{
return $this->getVotesByAccess(Voter::ACCESS_ABSTAIN);
}

/**
* @return Vote[]
*/
public function getDeniedVotes(): array
{
return $this->getVotesByAccess(Voter::ACCESS_DENIED);
}

/**
* @return Vote[]
*/
private function getVotesByAccess(int $access): array
{
return array_filter($this->votes, static function (Vote $vote) use ($access): bool {
return $vote->getAccess() === $access;
});
}
}
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