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[HttpFoundation] Adds support for the immutable directive in the cache-control header #22932

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Merged
merged 1 commit into from
Jun 21, 2017
Merged

[HttpFoundation] Adds support for the immutable directive in the cache-control header #22932

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34 changes: 33 additions & 1 deletion src/Symfony/Component/HttpFoundation/Response.php
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Original file line number Diff line number Diff line change
Expand Up @@ -610,6 +610,34 @@ public function setPublic()
return $this;
}

/**
* Marks the response as "immutable".
*
* @param bool $immutable Enables or disables the immutable directive.
*
* @return $this
*/
public function setImmutable($immutable = true)
{
if ($immutable) {
$this->headers->addCacheControlDirective('immutable');
} else {
$this->headers->removeCacheControlDirective('immutable');
}

return $this;
}

/**
* Returns true if the response is marked as "immutable".
*
* @return bool Returns true if the response is marked as "immutable"; otherwise false.
*/
public function isImmutable()
{
return $this->headers->hasCacheControlDirective('immutable');
}

/**
* Returns true if the response must be revalidated by caches.
*
Expand Down Expand Up @@ -937,7 +965,7 @@ public function setEtag($etag = null, $weak = false)
*/
public function setCache(array $options)
{
if ($diff = array_diff(array_keys($options), array('etag', 'last_modified', 'max_age', 's_maxage', 'private', 'public'))) {
if ($diff = array_diff(array_keys($options), array('etag', 'last_modified', 'max_age', 's_maxage', 'private', 'public', 'immutable'))) {
throw new \InvalidArgumentException(sprintf('Response does not support the following options: "%s".', implode('", "', array_values($diff))));
}

Expand Down Expand Up @@ -973,6 +1001,10 @@ public function setCache(array $options)
}
}

if (isset($options['immutable'])) {
$this->setImmutable((bool) $options['immutable']);
}

return $this;
}

Expand Down
22 changes: 22 additions & 0 deletions src/Symfony/Component/HttpFoundation/Tests/ResponseTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -610,6 +610,12 @@ public function testSetCache()
$response->setCache(array('private' => false));
$this->assertTrue($response->headers->hasCacheControlDirective('public'));
$this->assertFalse($response->headers->hasCacheControlDirective('private'));

$response->setCache(array('immutable' => true));
$this->assertTrue($response->headers->hasCacheControlDirective('immutable'));

$response->setCache(array('immutable' => false));
$this->assertFalse($response->headers->hasCacheControlDirective('immutable'));
}

public function testSendContent()
Expand All @@ -631,6 +637,22 @@ public function testSetPublic()
$this->assertFalse($response->headers->hasCacheControlDirective('private'));
}

public function testSetImmutable()
{
$response = new Response();
$response->setImmutable();

$this->assertTrue($response->headers->hasCacheControlDirective('immutable'));
}

public function testIsImmutable()
{
$response = new Response();
$response->setImmutable();

$this->assertTrue($response->isImmutable());
}

public function testSetExpires()
{
$response = new Response();
Expand Down