8000 [SecurityBundle] Fixed a memory leak in SecurityBundle\Security\FirewallMap by udavka · Pull Request #22605 · symfony/symfony · GitHub
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[SecurityBundle] Fixed a memory leak in SecurityBundle\Security\FirewallMap #22605

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[SecurityBundle] Fixed a memory leak in SecurityBundle\Security\FirewallMap #22605

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382bd47
Fixed a memory leak in Symfony\Bundle\SecurityBundle\Security\Firewal…
udavka May 1, 2017
8fa062c
Fixed code style, tests
udavka May 1, 2017
3723a7a
Fixed code style
udavka May 1, 2017
2e9e6a2
Fixed on review commments
udavka May 13, 2017
8abfd96
Removed not needed changes
udavka May 13, 2017
bb01518
Replace listener registration scheme
udavka May 13, 2017
dbc8725
Use EventSubscriberInterface
udavka May 13, 2017
815fb8b
Fixed on review comments
udavka May 13, 2017
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Fixed a memory leak in Symfony\Bundle\SecurityBundle\Security\Firewal… 
…lMap
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@udavka
udavka committed May 1, 2017
commit 382bd476b5b3f416f4f1d8962c33701fa404d39c
8 changes: 8 additions & 0 deletions src/Symfony/Bundle/SecurityBundle/Security/FirewallMap.php
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Expand Up @@ -49,6 +49,14 @@ public function getListeners(Request $request)
return $context->getContext();
}

/**
* {@inheritdoc}
*/
public function detachListeners(Request $request)
{
unset($this->contexts[$request]);
}

/**
* @return FirewallConfig|null
*/
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2 changes: 2 additions & 0 deletions src/Symfony/Component/Security/Http/Firewall.php
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Expand Up @@ -78,6 +78,8 @@ public function onKernelFinishRequest(FinishRequestEvent $event)
{
$request = $event->getRequest();

$this->map->detachListeners($event->getRequest());
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This may not always work (think of other implementations of the FirewallMapInterface).

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Fixed by replacing the implementation.


if (isset($this->exceptionListeners[$request])) {
$this->exceptionListeners[$request]->unregister($this->dispatcher);
unset($this->exceptionListeners[$request]);
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12 changes: 12 additions & 0 deletions src/Symfony/Component/Security/Http/FirewallMap.php
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Expand Up @@ -48,4 +48,16 @@ public function getListeners(Request $request)

return array(array(), null);
}

/**
* {@inheritdoc}
*/
public function detachListeners(Request $request)
{
foreach ($this->map as $key => $elements) {
if (null === $elements[0] || $elements[0]->matches($request)) {
unset($this->map[$key]);
}
}
}
}
8 changes: 8 additions & 0 deletions src/Symfony/Component/Security/Http/FirewallMapInterface.php
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Expand Up @@ -35,4 +35,12 @@ interface FirewallMapInterface
* @return array of the format array(array(AuthenticationListener), ExceptionListener)
*/
public function getListeners(Request $request);

/**
* Cleans up the internal state of the firewall map.
*
* @param Request $request
* @return void
*/
public function detachListeners(Request $request);
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Adding a new method to an interface is a BC break and not allowed by our BC promise.

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Fixed by replacing the implementation.

}
39 changes: 39 additions & 0 deletions src/Symfony/Component/Security/Http/Tests/FirewallMapTest.php
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Expand Up @@ -115,4 +115,43 @@ public function testGetListenersWithNoMatchingEntry()
$this->assertEquals(array(), $listeners);
$this->assertNull($exception);
}

public function testDetachListeners()
{
$map = new FirewallMap();

$request1 = new Request();
$matchingMatcher1 = $this->getMockBuilder('Symfony\Component\HttpFoundation\RequestMatcher')->getMock();
$matchingMatcher1
->expects($this->once())
->method('matches')
->with($this->equalTo($request1))
->will($this->returnValue(true))
;

$request2 = new Request();
$matchingMatcher2 = $this->getMockBuilder('Symfony\Component\HttpFoundation\RequestMatcher')->getMock();
$matchingMatcher2
->expects($this->once())
->method('matches')
->with($this->equalTo($request2))
->will($this->returnValue(true))
;

$theListener = $this->getMockBuilder('Symfony\Component\Security\Http\Firewall\ListenerInterface')->getMock();
$theException = $this->getMockBuilder('Symfony\Component\Security\Http\Firewall\ExceptionListener')->disableOriginalConstructor()->getMock();

$map->add($matchingMatcher1, array($theListener), $theException);
$map->add($matchingMatcher2, array($theListener), $theException);

$map->detachListeners($request1);

list($listeners, $exception) = $map->getListeners($request1);
$this->assertEquals(array(), $listeners);
$this->assertNull($exception);

list($listeners, $exception) = $map->getListeners($request2);
$this->assertEquals(array($theListener), $listeners);
$this->assertEquals($theException, $exception);
}
}
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